mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-01 15:30:06 +00:00
4b092d2ab8
* https://github.com/KhronosGroup/Vulkan-Docs/issues/666 clearly specified that interfaces do not require an input if there is an associated output * ADCE can now remove unused input variables (though they are kept if the preserve interfaces option is used)
7632 lines
247 KiB
C++
7632 lines
247 KiB
C++
// Copyright (c) 2017 Valve Corporation
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// Copyright (c) 2017 LunarG Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string>
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#include <vector>
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#include "test/opt/assembly_builder.h"
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#include "test/opt/pass_fixture.h"
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#include "test/opt/pass_utils.h"
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namespace spvtools {
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namespace opt {
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namespace {
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using AggressiveDCETest = PassTest<::testing::Test>;
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TEST_F(AggressiveDCETest, EliminateExtendedInst) {
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// #version 140
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//
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// in vec4 BaseColor;
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// in vec4 Dead;
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//
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// void main()
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// {
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// vec4 v = BaseColor;
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// vec4 dv = sqrt(Dead);
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// gl_FragColor = v;
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// }
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const std::string spirv = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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; CHECK: OpEntryPoint Fragment %main "main" %BaseColor %gl_FragColor
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OpEntryPoint Fragment %main "main" %BaseColor %Dead %gl_FragColor
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OpExecutionMode %main OriginUpperLeft
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OpSource GLSL 140
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OpName %main "main"
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OpName %v "v"
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OpName %BaseColor "BaseColor"
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; CHECK-NOT: OpName %dv "dv"
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OpName %dv "dv"
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; CHECK-NOT: OpName %Dead "Dead"
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OpName %Dead "Dead"
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OpName %gl_FragColor "gl_FragColor"
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%void = OpTypeVoid
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%9 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%_ptr_Input_v4float = OpTypePointer Input %v4float
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%BaseColor = OpVariable %_ptr_Input_v4float Input
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; CHECK-NOT: %Dead = OpVariable
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%Dead = OpVariable %_ptr_Input_v4float Input
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%gl_FragColor = OpVariable %_ptr_Output_v4float Output
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%main = OpFunction %void None %9
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%15 = OpLabel
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%v = OpVariable %_ptr_Function_v4float Function
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; CHECK-NOT: %dv = OpVariable
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%dv = OpVariable %_ptr_Function_v4float Function
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%16 = OpLoad %v4float %BaseColor
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OpStore %v %16
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; CHECK-NOT: OpLoad %v4float %Dead
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%17 = OpLoad %v4float %Dead
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; CHECK-NOT: OpExtInst %v4float %1 Sqrt
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%18 = OpExtInst %v4float %1 Sqrt %17
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; CHECK-NOT: OpStore %dv
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OpStore %dv %18
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%19 = OpLoad %v4float %v
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OpStore %gl_FragColor %19
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
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}
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TEST_F(AggressiveDCETest, NoEliminateFrexp) {
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// Note: SPIR-V hand-edited to utilize Frexp
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//
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// #version 450
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//
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// in vec4 BaseColor;
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// in vec4 Dead;
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// out vec4 Color;
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// out ivec4 iv2;
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//
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// void main()
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// {
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// vec4 v = BaseColor;
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// vec4 dv = frexp(Dead, iv2);
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// Color = v;
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// }
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const std::string predefs1 =
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R"(OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %BaseColor %Dead %iv2 %Color
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OpExecutionMode %main OriginUpperLeft
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OpSource GLSL 450
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)";
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const std::string names_before =
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R"(OpName %main "main"
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OpName %v "v"
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OpName %BaseColor "BaseColor"
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OpName %dv "dv"
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OpName %Dead "Dead"
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OpName %iv2 "iv2"
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OpName %ResType "ResType"
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OpName %Color "Color"
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)";
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const std::string names_after =
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R"(OpName %main "main"
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OpName %v "v"
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OpName %BaseColor "BaseColor"
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OpName %Dead "Dead"
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OpName %iv2 "iv2"
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OpName %Color "Color"
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)";
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const std::string predefs2_before =
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R"(%void = OpTypeVoid
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%11 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%_ptr_Input_v4float = OpTypePointer Input %v4float
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%BaseColor = OpVariable %_ptr_Input_v4float Input
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%Dead = OpVariable %_ptr_Input_v4float Input
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%int = OpTypeInt 32 1
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%v4int = OpTypeVector %int 4
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%_ptr_Output_v4int = OpTypePointer Output %v4int
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%iv2 = OpVariable %_ptr_Output_v4int Output
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%ResType = OpTypeStruct %v4float %v4int
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%Color = OpVariable %_ptr_Output_v4float Output
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)";
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const std::string predefs2_after =
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R"(%void = OpTypeVoid
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%11 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%_ptr_Input_v4float = OpTypePointer Input %v4float
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%BaseColor = OpVariable %_ptr_Input_v4float Input
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%Dead = OpVariable %_ptr_Input_v4float Input
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%int = OpTypeInt 32 1
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%v4int = OpTypeVector %int 4
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%_ptr_Output_v4int = OpTypePointer Output %v4int
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%iv2 = OpVariable %_ptr_Output_v4int Output
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%Color = OpVariable %_ptr_Output_v4float Output
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)";
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const std::string func_before =
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R"(%main = OpFunction %void None %11
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%20 = OpLabel
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%v = OpVariable %_ptr_Function_v4float Function
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%dv = OpVariable %_ptr_Function_v4float Function
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%21 = OpLoad %v4float %BaseColor
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OpStore %v %21
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%22 = OpLoad %v4float %Dead
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%23 = OpExtInst %v4float %1 Frexp %22 %iv2
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OpStore %dv %23
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%24 = OpLoad %v4float %v
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OpStore %Color %24
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OpReturn
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OpFunctionEnd
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)";
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const std::string func_after =
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R"(%main = OpFunction %void None %11
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%20 = OpLabel
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%v = OpVariable %_ptr_Function_v4float Function
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%21 = OpLoad %v4float %BaseColor
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OpStore %v %21
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%22 = OpLoad %v4float %Dead
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%23 = OpExtInst %v4float %1 Frexp %22 %iv2
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%24 = OpLoad %v4float %v
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OpStore %Color %24
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndCheck<AggressiveDCEPass>(
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predefs1 + names_before + predefs2_before + func_before,
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predefs1 + names_after + predefs2_after + func_after, true, true);
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}
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TEST_F(AggressiveDCETest, EliminateDecorate) {
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// Note: The SPIR-V was hand-edited to add the OpDecorate
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//
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// #version 140
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//
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// in vec4 BaseColor;
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// in vec4 Dead;
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//
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// void main()
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// {
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// vec4 v = BaseColor;
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// vec4 dv = Dead * 0.5;
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// gl_FragColor = v;
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// }
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const std::string spirv =
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R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %BaseColor %Dead %gl_FragColor
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OpExecutionMode %main OriginUpperLeft
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OpSource GLSL 140
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OpName %main "main"
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OpName %v "v"
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OpName %BaseColor "BaseColor"
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OpName %dv "dv"
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OpName %Dead "Dead"
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OpName %gl_FragColor "gl_FragColor"
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; CHECK-NOT: OpDecorate
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OpDecorate %8 RelaxedPrecision
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%void = OpTypeVoid
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%10 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%_ptr_Input_v4float = OpTypePointer Input %v4float
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%BaseColor = OpVariable %_ptr_Input_v4float Input
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%Dead = OpVariable %_ptr_Input_v4float Input
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%float_0_5 = OpConstant %float 0.5
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%gl_FragColor = OpVariable %_ptr_Output_v4float Output
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%main = OpFunction %void None %10
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%17 = OpLabel
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%v = OpVariable %_ptr_Function_v4float Function
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%dv = OpVariable %_ptr_Function_v4float Function
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%18 = OpLoad %v4float %BaseColor
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OpStore %v %18
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%19 = OpLoad %v4float %Dead
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; CHECK-NOT: OpVectorTimesScalar
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%8 = OpVectorTimesScalar %v4float %19 %float_0_5
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OpStore %dv %8
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%20 = OpLoad %v4float %v
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OpStore %gl_FragColor %20
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
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}
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TEST_F(AggressiveDCETest, Simple) {
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// #version 140
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//
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// in vec4 BaseColor;
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// in vec4 Dead;
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//
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// void main()
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// {
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// vec4 v = BaseColor;
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// vec4 dv = Dead;
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// gl_FragColor = v;
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// }
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const std::string spirv =
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R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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; CHECK: OpEntryPoint Fragment %main "main" %BaseColor %gl_FragColor
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OpEntryPoint Fragment %main "main" %BaseColor %Dead %gl_FragColor
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OpExecutionMode %main OriginUpperLeft
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OpSource GLSL 140
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OpName %main "main"
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OpName %v "v"
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OpName %BaseColor "BaseColor"
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; CHECK-NOT: OpName %dv "dv"
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OpName %dv "dv"
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; CHECK-NOT: OpName %Dead "Dead"
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OpName %Dead "Dead"
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OpName %gl_FragColor "gl_FragColor"
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%void = OpTypeVoid
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%9 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%_ptr_Input_v4float = OpTypePointer Input %v4float
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%BaseColor = OpVariable %_ptr_Input_v4float Input
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; CHECK-NOT: %Dead = OpVariable
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%Dead = OpVariable %_ptr_Input_v4float Input
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%gl_FragColor = OpVariable %_ptr_Output_v4float Output
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%main = OpFunction %void None %9
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%15 = OpLabel
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%v = OpVariable %_ptr_Function_v4float Function
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; CHECK-NOT: %dv = OpVariable
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%dv = OpVariable %_ptr_Function_v4float Function
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%16 = OpLoad %v4float %BaseColor
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OpStore %v %16
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; CHECK-NOT: OpLoad %v4float %Dead
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%17 = OpLoad %v4float %Dead
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; CHECK-NOT: OpStore %dv
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OpStore %dv %17
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%18 = OpLoad %v4float %v
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OpStore %gl_FragColor %18
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
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}
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TEST_F(AggressiveDCETest, OptAllowListExtension) {
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// #version 140
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//
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// in vec4 BaseColor;
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// in vec4 Dead;
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//
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// void main()
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// {
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// vec4 v = BaseColor;
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// vec4 dv = Dead;
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// gl_FragColor = v;
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// }
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const std::string spirv =
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R"(OpCapability Shader
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OpExtension "SPV_AMD_gpu_shader_int16"
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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; CHECK: OpEntryPoint Fragment %main "main" %BaseColor %gl_FragColor
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OpEntryPoint Fragment %main "main" %BaseColor %Dead %gl_FragColor
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OpExecutionMode %main OriginUpperLeft
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OpSource GLSL 140
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OpName %main "main"
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OpName %v "v"
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OpName %BaseColor "BaseColor"
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OpName %dv "dv"
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OpName %Dead "Dead"
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OpName %gl_FragColor "gl_FragColor"
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%void = OpTypeVoid
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%9 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%_ptr_Input_v4float = OpTypePointer Input %v4float
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%BaseColor = OpVariable %_ptr_Input_v4float Input
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%Dead = OpVariable %_ptr_Input_v4float Input
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%gl_FragColor = OpVariable %_ptr_Output_v4float Output
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%main = OpFunction %void None %9
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%15 = OpLabel
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%v = OpVariable %_ptr_Function_v4float Function
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%dv = OpVariable %_ptr_Function_v4float Function
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%16 = OpLoad %v4float %BaseColor
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OpStore %v %16
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%17 = OpLoad %v4float %Dead
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OpStore %dv %17
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%18 = OpLoad %v4float %v
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OpStore %gl_FragColor %18
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
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}
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TEST_F(AggressiveDCETest, NoOptDenyListExtension) {
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// #version 140
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//
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// in vec4 BaseColor;
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// in vec4 Dead;
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//
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// void main()
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// {
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// vec4 v = BaseColor;
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// vec4 dv = Dead;
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// gl_FragColor = v;
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// }
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const std::string assembly =
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R"(OpCapability Shader
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OpExtension "SPV_KHR_variable_pointers"
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %BaseColor %Dead %gl_FragColor
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OpExecutionMode %main OriginUpperLeft
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OpSource GLSL 140
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OpName %main "main"
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OpName %v "v"
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OpName %BaseColor "BaseColor"
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OpName %dv "dv"
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OpName %Dead "Dead"
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OpName %gl_FragColor "gl_FragColor"
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%void = OpTypeVoid
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%9 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%_ptr_Input_v4float = OpTypePointer Input %v4float
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%BaseColor = OpVariable %_ptr_Input_v4float Input
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%Dead = OpVariable %_ptr_Input_v4float Input
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%gl_FragColor = OpVariable %_ptr_Output_v4float Output
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%main = OpFunction %void None %9
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%15 = OpLabel
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%v = OpVariable %_ptr_Function_v4float Function
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%dv = OpVariable %_ptr_Function_v4float Function
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%16 = OpLoad %v4float %BaseColor
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OpStore %v %16
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%17 = OpLoad %v4float %Dead
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OpStore %dv %17
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%18 = OpLoad %v4float %v
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OpStore %gl_FragColor %18
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
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}
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TEST_F(AggressiveDCETest, ElimWithCall) {
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// This demonstrates that "dead" function calls are not eliminated.
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// Also demonstrates that DCE will happen in presence of function call.
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// #version 140
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// in vec4 i1;
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// in vec4 i2;
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//
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// void nothing(vec4 v)
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// {
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// }
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//
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// void main()
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// {
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// vec4 v1 = i1;
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// vec4 v2 = i2;
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// nothing(v1);
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// gl_FragColor = vec4(0.0);
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// }
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const std::string text =
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R"( OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %i1 %i2 %gl_FragColor
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OpExecutionMode %main OriginUpperLeft
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OpSource GLSL 140
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OpName %main "main"
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OpName %nothing_vf4_ "nothing(vf4;"
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OpName %v "v"
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OpName %v1 "v1"
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OpName %i1 "i1"
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OpName %v2 "v2"
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OpName %i2 "i2"
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OpName %param "param"
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OpName %gl_FragColor "gl_FragColor"
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%void = OpTypeVoid
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%12 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%16 = OpTypeFunction %void %_ptr_Function_v4float
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%_ptr_Input_v4float = OpTypePointer Input %v4float
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%i1 = OpVariable %_ptr_Input_v4float Input
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%i2 = OpVariable %_ptr_Input_v4float Input
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%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
%float_0 = OpConstant %float 0
|
|
%20 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
|
|
%main = OpFunction %void None %12
|
|
%21 = OpLabel
|
|
%v1 = OpVariable %_ptr_Function_v4float Function
|
|
%v2 = OpVariable %_ptr_Function_v4float Function
|
|
%param = OpVariable %_ptr_Function_v4float Function
|
|
%22 = OpLoad %v4float %i1
|
|
OpStore %v1 %22
|
|
; CHECK-NOT: OpLoad %v4float %i2
|
|
%23 = OpLoad %v4float %i2
|
|
; CHECK-NOT: OpStore %v2
|
|
OpStore %v2 %23
|
|
%24 = OpLoad %v4float %v1
|
|
OpStore %param %24
|
|
; CHECK: OpFunctionCall %void %nothing_vf4_
|
|
%25 = OpFunctionCall %void %nothing_vf4_ %param
|
|
OpStore %gl_FragColor %20
|
|
OpReturn
|
|
OpFunctionEnd
|
|
; CHECK: %nothing_vf4_ = OpFunction
|
|
%nothing_vf4_ = OpFunction %void None %16
|
|
%v = OpFunctionParameter %_ptr_Function_v4float
|
|
%26 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoParamElim) {
|
|
// This demonstrates that unused parameters are not eliminated, but
|
|
// dead uses of them are.
|
|
// #version 140
|
|
//
|
|
// in vec4 BaseColor;
|
|
//
|
|
// vec4 foo(vec4 v1, vec4 v2)
|
|
// {
|
|
// vec4 t = -v1;
|
|
// return v2;
|
|
// }
|
|
//
|
|
// void main()
|
|
// {
|
|
// vec4 dead;
|
|
// gl_FragColor = foo(dead, BaseColor);
|
|
// }
|
|
|
|
const std::string defs_before =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %gl_FragColor %BaseColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %foo_vf4_vf4_ "foo(vf4;vf4;"
|
|
OpName %v1 "v1"
|
|
OpName %v2 "v2"
|
|
OpName %t "t"
|
|
OpName %gl_FragColor "gl_FragColor"
|
|
OpName %dead "dead"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %param "param"
|
|
OpName %param_0 "param"
|
|
%void = OpTypeVoid
|
|
%13 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%17 = OpTypeFunction %v4float %_ptr_Function_v4float %_ptr_Function_v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%main = OpFunction %void None %13
|
|
%20 = OpLabel
|
|
%dead = OpVariable %_ptr_Function_v4float Function
|
|
%param = OpVariable %_ptr_Function_v4float Function
|
|
%param_0 = OpVariable %_ptr_Function_v4float Function
|
|
%21 = OpLoad %v4float %dead
|
|
OpStore %param %21
|
|
%22 = OpLoad %v4float %BaseColor
|
|
OpStore %param_0 %22
|
|
%23 = OpFunctionCall %v4float %foo_vf4_vf4_ %param %param_0
|
|
OpStore %gl_FragColor %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string defs_after =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %gl_FragColor %BaseColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %foo_vf4_vf4_ "foo(vf4;vf4;"
|
|
OpName %v1 "v1"
|
|
OpName %v2 "v2"
|
|
OpName %gl_FragColor "gl_FragColor"
|
|
OpName %dead "dead"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %param "param"
|
|
OpName %param_0 "param"
|
|
%void = OpTypeVoid
|
|
%13 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%17 = OpTypeFunction %v4float %_ptr_Function_v4float %_ptr_Function_v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%main = OpFunction %void None %13
|
|
%20 = OpLabel
|
|
%dead = OpVariable %_ptr_Function_v4float Function
|
|
%param = OpVariable %_ptr_Function_v4float Function
|
|
%param_0 = OpVariable %_ptr_Function_v4float Function
|
|
%21 = OpLoad %v4float %dead
|
|
OpStore %param %21
|
|
%22 = OpLoad %v4float %BaseColor
|
|
OpStore %param_0 %22
|
|
%23 = OpFunctionCall %v4float %foo_vf4_vf4_ %param %param_0
|
|
OpStore %gl_FragColor %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%foo_vf4_vf4_ = OpFunction %v4float None %17
|
|
%v1 = OpFunctionParameter %_ptr_Function_v4float
|
|
%v2 = OpFunctionParameter %_ptr_Function_v4float
|
|
%24 = OpLabel
|
|
%t = OpVariable %_ptr_Function_v4float Function
|
|
%25 = OpLoad %v4float %v1
|
|
%26 = OpFNegate %v4float %25
|
|
OpStore %t %26
|
|
%27 = OpLoad %v4float %v2
|
|
OpReturnValue %27
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%foo_vf4_vf4_ = OpFunction %v4float None %17
|
|
%v1 = OpFunctionParameter %_ptr_Function_v4float
|
|
%v2 = OpFunctionParameter %_ptr_Function_v4float
|
|
%24 = OpLabel
|
|
%27 = OpLoad %v4float %v2
|
|
OpReturnValue %27
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(defs_before + func_before,
|
|
defs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, ElimOpaque) {
|
|
// SPIR-V not representable from GLSL; not generatable from HLSL
|
|
// for the moment.
|
|
|
|
const std::string defs_before =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %outColor %texCoords
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %S_t "S_t"
|
|
OpMemberName %S_t 0 "v0"
|
|
OpMemberName %S_t 1 "v1"
|
|
OpMemberName %S_t 2 "smp"
|
|
OpName %outColor "outColor"
|
|
OpName %sampler15 "sampler15"
|
|
OpName %s0 "s0"
|
|
OpName %texCoords "texCoords"
|
|
OpDecorate %sampler15 DescriptorSet 0
|
|
%void = OpTypeVoid
|
|
%9 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v2float = OpTypeVector %float 2
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%outColor = OpVariable %_ptr_Output_v4float Output
|
|
%14 = OpTypeImage %float 2D 0 0 0 1 Unknown
|
|
%15 = OpTypeSampledImage %14
|
|
%S_t = OpTypeStruct %v2float %v2float %15
|
|
%_ptr_Function_S_t = OpTypePointer Function %S_t
|
|
%17 = OpTypeFunction %void %_ptr_Function_S_t
|
|
%_ptr_UniformConstant_15 = OpTypePointer UniformConstant %15
|
|
%_ptr_Function_15 = OpTypePointer Function %15
|
|
%sampler15 = OpVariable %_ptr_UniformConstant_15 UniformConstant
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%int_2 = OpConstant %int 2
|
|
%_ptr_Function_v2float = OpTypePointer Function %v2float
|
|
%_ptr_Input_v2float = OpTypePointer Input %v2float
|
|
%texCoords = OpVariable %_ptr_Input_v2float Input
|
|
)";
|
|
|
|
const std::string defs_after =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %outColor %texCoords
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %outColor "outColor"
|
|
OpName %sampler15 "sampler15"
|
|
OpName %texCoords "texCoords"
|
|
OpDecorate %sampler15 DescriptorSet 0
|
|
%void = OpTypeVoid
|
|
%9 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v2float = OpTypeVector %float 2
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%outColor = OpVariable %_ptr_Output_v4float Output
|
|
%14 = OpTypeImage %float 2D 0 0 0 1 Unknown
|
|
%15 = OpTypeSampledImage %14
|
|
%_ptr_UniformConstant_15 = OpTypePointer UniformConstant %15
|
|
%sampler15 = OpVariable %_ptr_UniformConstant_15 UniformConstant
|
|
%_ptr_Input_v2float = OpTypePointer Input %v2float
|
|
%texCoords = OpVariable %_ptr_Input_v2float Input
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %9
|
|
%25 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%26 = OpLoad %v2float %texCoords
|
|
%27 = OpLoad %S_t %s0
|
|
%28 = OpCompositeInsert %S_t %26 %27 0
|
|
%29 = OpLoad %15 %sampler15
|
|
%30 = OpCompositeInsert %S_t %29 %28 2
|
|
OpStore %s0 %30
|
|
%31 = OpImageSampleImplicitLod %v4float %29 %26
|
|
OpStore %outColor %31
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %9
|
|
%25 = OpLabel
|
|
%26 = OpLoad %v2float %texCoords
|
|
%29 = OpLoad %15 %sampler15
|
|
%31 = OpImageSampleImplicitLod %v4float %29 %26
|
|
OpStore %outColor %31
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(defs_before + func_before,
|
|
defs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoParamStoreElim) {
|
|
// Should not eliminate stores to params
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// void foo(in vec4 v1, out vec4 v2)
|
|
// {
|
|
// v2 = -v1;
|
|
// }
|
|
//
|
|
// void main()
|
|
// {
|
|
// foo(BaseColor, OutColor);
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %foo_vf4_vf4_ "foo(vf4;vf4;"
|
|
OpName %v1 "v1"
|
|
OpName %v2 "v2"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %OutColor "OutColor"
|
|
OpName %param "param"
|
|
OpName %param_0 "param"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%11 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%15 = OpTypeFunction %void %_ptr_Function_v4float %_ptr_Function_v4float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %11
|
|
%18 = OpLabel
|
|
%param = OpVariable %_ptr_Function_v4float Function
|
|
%param_0 = OpVariable %_ptr_Function_v4float Function
|
|
%19 = OpLoad %v4float %BaseColor
|
|
OpStore %param %19
|
|
%20 = OpFunctionCall %void %foo_vf4_vf4_ %param %param_0
|
|
%21 = OpLoad %v4float %param_0
|
|
OpStore %OutColor %21
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%foo_vf4_vf4_ = OpFunction %void None %15
|
|
%v1 = OpFunctionParameter %_ptr_Function_v4float
|
|
%v2 = OpFunctionParameter %_ptr_Function_v4float
|
|
%22 = OpLabel
|
|
%23 = OpLoad %v4float %v1
|
|
%24 = OpFNegate %v4float %23
|
|
OpStore %v2 %24
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, PrivateStoreElimInEntryNoCalls) {
|
|
// Eliminate stores to private in entry point with no calls
|
|
// Note: Not legal GLSL
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 1) in vec4 Dead;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// private vec4 dv;
|
|
//
|
|
// void main()
|
|
// {
|
|
// vec4 v = BaseColor;
|
|
// dv = Dead;
|
|
// OutColor = v;
|
|
// }
|
|
|
|
const std::string spirv =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %Dead %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %v "v"
|
|
OpName %BaseColor "BaseColor"
|
|
; CHECK-NOT: OpName %dv "dv"
|
|
OpName %dv "dv"
|
|
OpName %Dead "Dead"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %Dead Location 1
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%9 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
; CHECK-NOT: OpTypePointer Private
|
|
%_ptr_Private_v4float = OpTypePointer Private %v4float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%Dead = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
; CHECK-NOT: %dv = OpVariable
|
|
%dv = OpVariable %_ptr_Private_v4float Private
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %9
|
|
%16 = OpLabel
|
|
%v = OpVariable %_ptr_Function_v4float Function
|
|
%17 = OpLoad %v4float %BaseColor
|
|
OpStore %v %17
|
|
%18 = OpLoad %v4float %Dead
|
|
; CHECK-NOT: OpStore %dv
|
|
OpStore %dv %18
|
|
%19 = OpLoad %v4float %v
|
|
%20 = OpFNegate %v4float %19
|
|
OpStore %OutColor %20
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoPrivateStoreElimIfLoad) {
|
|
// Should not eliminate stores to private when there is a load
|
|
// Note: Not legal GLSL
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// private vec4 pv;
|
|
//
|
|
// void main()
|
|
// {
|
|
// pv = BaseColor;
|
|
// OutColor = pv;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %pv "pv"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Private_v4float = OpTypePointer Private %v4float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%pv = OpVariable %_ptr_Private_v4float Private
|
|
%main = OpFunction %void None %7
|
|
%13 = OpLabel
|
|
%14 = OpLoad %v4float %BaseColor
|
|
OpStore %pv %14
|
|
%15 = OpLoad %v4float %pv
|
|
%16 = OpFNegate %v4float %15
|
|
OpStore %OutColor %16
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoPrivateStoreElimWithCall) {
|
|
// Should not eliminate stores to private when function contains call
|
|
// Note: Not legal GLSL
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// private vec4 v1;
|
|
//
|
|
// void foo()
|
|
// {
|
|
// OutColor = -v1;
|
|
// }
|
|
//
|
|
// void main()
|
|
// {
|
|
// v1 = BaseColor;
|
|
// foo();
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %OutColor %BaseColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %foo_ "foo("
|
|
OpName %OutColor "OutColor"
|
|
OpName %v1 "v1"
|
|
OpName %BaseColor "BaseColor"
|
|
OpDecorate %OutColor Location 0
|
|
OpDecorate %BaseColor Location 0
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%_ptr_Private_v4float = OpTypePointer Private %v4float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%v1 = OpVariable %_ptr_Private_v4float Private
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%main = OpFunction %void None %8
|
|
%14 = OpLabel
|
|
%15 = OpLoad %v4float %BaseColor
|
|
OpStore %v1 %15
|
|
%16 = OpFunctionCall %void %foo_
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%foo_ = OpFunction %void None %8
|
|
%17 = OpLabel
|
|
%18 = OpLoad %v4float %v1
|
|
%19 = OpFNegate %v4float %18
|
|
OpStore %OutColor %19
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoPrivateStoreElimInNonEntry) {
|
|
// Should not eliminate stores to private when function is not entry point
|
|
// Note: Not legal GLSL
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// private vec4 v1;
|
|
//
|
|
// void foo()
|
|
// {
|
|
// v1 = BaseColor;
|
|
// }
|
|
//
|
|
// void main()
|
|
// {
|
|
// foo();
|
|
// OutColor = -v1;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %foo_ "foo("
|
|
OpName %v1 "v1"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Private_v4float = OpTypePointer Private %v4float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%v1 = OpVariable %_ptr_Private_v4float Private
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %8
|
|
%14 = OpLabel
|
|
%15 = OpFunctionCall %void %foo_
|
|
%16 = OpLoad %v4float %v1
|
|
%17 = OpFNegate %v4float %16
|
|
OpStore %OutColor %17
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%foo_ = OpFunction %void None %8
|
|
%18 = OpLabel
|
|
%19 = OpLoad %v4float %BaseColor
|
|
OpStore %v1 %19
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, WorkgroupStoreElimInEntryNoCalls) {
|
|
// Eliminate stores to private in entry point with no calls
|
|
// Note: Not legal GLSL
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 1) in vec4 Dead;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// workgroup vec4 dv;
|
|
//
|
|
// void main()
|
|
// {
|
|
// vec4 v = BaseColor;
|
|
// dv = Dead;
|
|
// OutColor = v;
|
|
// }
|
|
|
|
const std::string spirv =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %Dead %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %v "v"
|
|
OpName %BaseColor "BaseColor"
|
|
; CHECK-NOT: OpName %dv "dv"
|
|
OpName %dv "dv"
|
|
OpName %Dead "Dead"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %Dead Location 1
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%9 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
; CHECK-NOT: OpTypePointer Workgroup
|
|
%_ptr_Workgroup_v4float = OpTypePointer Workgroup %v4float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%Dead = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
; CHECK-NOT: %dv = OpVariable
|
|
%dv = OpVariable %_ptr_Workgroup_v4float Workgroup
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %9
|
|
%16 = OpLabel
|
|
%v = OpVariable %_ptr_Function_v4float Function
|
|
%17 = OpLoad %v4float %BaseColor
|
|
OpStore %v %17
|
|
%18 = OpLoad %v4float %Dead
|
|
; CHECK-NOT: OpStore %dv
|
|
OpStore %dv %18
|
|
%19 = OpLoad %v4float %v
|
|
%20 = OpFNegate %v4float %19
|
|
OpStore %OutColor %20
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateDeadIfThenElse) {
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float d;
|
|
// if (BaseColor.x == 0)
|
|
// d = BaseColor.y;
|
|
// else
|
|
// d = BaseColor.z;
|
|
// OutColor = vec4(1.0,1.0,1.0,1.0);
|
|
// }
|
|
|
|
const std::string spirv =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %d "d"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%float_0 = OpConstant %float 0
|
|
%bool = OpTypeBool
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%uint_1 = OpConstant %uint 1
|
|
%uint_2 = OpConstant %uint 2
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%float_1 = OpConstant %float 1
|
|
%21 = OpConstantComposite %v4float %float_1 %float_1 %float_1 %float_1
|
|
; CHECK: = OpFunction %void
|
|
; CHECK-NEXT: %22 = OpLabel
|
|
; CHECK-NEXT: OpBranch %26
|
|
; CHECK-NEXT: %26 = OpLabel
|
|
%main = OpFunction %void None %7
|
|
%22 = OpLabel
|
|
%d = OpVariable %_ptr_Function_float Function
|
|
%23 = OpAccessChain %_ptr_Input_float %BaseColor %uint_0
|
|
%24 = OpLoad %float %23
|
|
%25 = OpFOrdEqual %bool %24 %float_0
|
|
OpSelectionMerge %26 None
|
|
OpBranchConditional %25 %27 %28
|
|
%27 = OpLabel
|
|
%29 = OpAccessChain %_ptr_Input_float %BaseColor %uint_1
|
|
%30 = OpLoad %float %29
|
|
OpStore %d %30
|
|
OpBranch %26
|
|
%28 = OpLabel
|
|
%31 = OpAccessChain %_ptr_Input_float %BaseColor %uint_2
|
|
%32 = OpLoad %float %31
|
|
OpStore %d %32
|
|
OpBranch %26
|
|
%26 = OpLabel
|
|
OpStore %OutColor %21
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateDeadIfThen) {
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float d;
|
|
// if (BaseColor.x == 0)
|
|
// d = BaseColor.y;
|
|
// OutColor = vec4(1.0,1.0,1.0,1.0);
|
|
// }
|
|
|
|
const std::string spirv =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %d "d"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%float_0 = OpConstant %float 0
|
|
%bool = OpTypeBool
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%uint_1 = OpConstant %uint 1
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%float_1 = OpConstant %float 1
|
|
%20 = OpConstantComposite %v4float %float_1 %float_1 %float_1 %float_1
|
|
; CHECK: = OpFunction
|
|
; CHECK-NEXT: %21 = OpLabel
|
|
; CHECK-NEXT: OpBranch [[target:%\w+]]
|
|
; CHECK-NEXT: [[target]] = OpLabel
|
|
%main = OpFunction %void None %7
|
|
%21 = OpLabel
|
|
%d = OpVariable %_ptr_Function_float Function
|
|
%22 = OpAccessChain %_ptr_Input_float %BaseColor %uint_0
|
|
%23 = OpLoad %float %22
|
|
%24 = OpFOrdEqual %bool %23 %float_0
|
|
OpSelectionMerge %25 None
|
|
OpBranchConditional %24 %26 %25
|
|
%26 = OpLabel
|
|
%27 = OpAccessChain %_ptr_Input_float %BaseColor %uint_1
|
|
%28 = OpLoad %float %27
|
|
OpStore %d %28
|
|
OpBranch %25
|
|
%25 = OpLabel
|
|
OpStore %OutColor %20
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateDeadSwitch) {
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 1) in flat int x;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float d;
|
|
// switch (x) {
|
|
// case 0:
|
|
// d = BaseColor.y;
|
|
// }
|
|
// OutColor = vec4(1.0,1.0,1.0,1.0);
|
|
// }
|
|
const std::string spirv =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %x %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %x "x"
|
|
OpName %d "d"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %x Flat
|
|
OpDecorate %x Location 1
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Input_int = OpTypePointer Input %int
|
|
%x = OpVariable %_ptr_Input_int Input
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%uint = OpTypeInt 32 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%float_1 = OpConstant %float 1
|
|
%27 = OpConstantComposite %v4float %float_1 %float_1 %float_1 %float_1
|
|
; CHECK: = OpFunction
|
|
; CHECK-NEXT: = OpLabel
|
|
; CHECK-NEXT: OpBranch [[target:%\w+]]
|
|
; CHECK-NEXT: [[target]] = OpLabel
|
|
%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%d = OpVariable %_ptr_Function_float Function
|
|
%9 = OpLoad %int %x
|
|
OpSelectionMerge %11 None
|
|
OpSwitch %9 %11 0 %10
|
|
%10 = OpLabel
|
|
%21 = OpAccessChain %_ptr_Input_float %BaseColor %uint_1
|
|
%22 = OpLoad %float %21
|
|
OpStore %d %22
|
|
OpBranch %11
|
|
%11 = OpLabel
|
|
OpStore %OutColor %27
|
|
OpReturn
|
|
OpFunctionEnd)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateDeadIfThenElseNested) {
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float d;
|
|
// if (BaseColor.x == 0)
|
|
// if (BaseColor.y == 0)
|
|
// d = 0.0;
|
|
// else
|
|
// d = 0.25;
|
|
// else
|
|
// if (BaseColor.y == 0)
|
|
// d = 0.5;
|
|
// else
|
|
// d = 0.75;
|
|
// OutColor = vec4(1.0,1.0,1.0,1.0);
|
|
// }
|
|
|
|
const std::string spirv =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %d "d"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%float_0 = OpConstant %float 0
|
|
%bool = OpTypeBool
|
|
%uint_1 = OpConstant %uint 1
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0_25 = OpConstant %float 0.25
|
|
%float_0_5 = OpConstant %float 0.5
|
|
%float_0_75 = OpConstant %float 0.75
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%float_1 = OpConstant %float 1
|
|
%23 = OpConstantComposite %v4float %float_1 %float_1 %float_1 %float_1
|
|
|
|
; CHECK: = OpFunction
|
|
; CHECK-NEXT: = OpLabel
|
|
; CHECK-NEXT: OpBranch [[target:%\w+]]
|
|
; CHECK-NEXT: [[target]] = OpLabel
|
|
; CHECK-NOT: OpLabel
|
|
|
|
%main = OpFunction %void None %7
|
|
%24 = OpLabel
|
|
%d = OpVariable %_ptr_Function_float Function
|
|
%25 = OpAccessChain %_ptr_Input_float %BaseColor %uint_0
|
|
%26 = OpLoad %float %25
|
|
%27 = OpFOrdEqual %bool %26 %float_0
|
|
OpSelectionMerge %28 None
|
|
OpBranchConditional %27 %29 %30
|
|
%29 = OpLabel
|
|
%31 = OpAccessChain %_ptr_Input_float %BaseColor %uint_1
|
|
%32 = OpLoad %float %31
|
|
%33 = OpFOrdEqual %bool %32 %float_0
|
|
OpSelectionMerge %34 None
|
|
OpBranchConditional %33 %35 %36
|
|
%35 = OpLabel
|
|
OpStore %d %float_0
|
|
OpBranch %34
|
|
%36 = OpLabel
|
|
OpStore %d %float_0_25
|
|
OpBranch %34
|
|
%34 = OpLabel
|
|
OpBranch %28
|
|
%30 = OpLabel
|
|
%37 = OpAccessChain %_ptr_Input_float %BaseColor %uint_1
|
|
%38 = OpLoad %float %37
|
|
%39 = OpFOrdEqual %bool %38 %float_0
|
|
OpSelectionMerge %40 None
|
|
OpBranchConditional %39 %41 %42
|
|
%41 = OpLabel
|
|
OpStore %d %float_0_5
|
|
OpBranch %40
|
|
%42 = OpLabel
|
|
OpStore %d %float_0_75
|
|
OpBranch %40
|
|
%40 = OpLabel
|
|
OpBranch %28
|
|
%28 = OpLabel
|
|
OpStore %OutColor %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateLiveIfThenElse) {
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float t;
|
|
// if (BaseColor.x == 0)
|
|
// t = BaseColor.y;
|
|
// else
|
|
// t = BaseColor.z;
|
|
// OutColor = vec4(t);
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %t "t"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%float_0 = OpConstant %float 0
|
|
%bool = OpTypeBool
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%uint_1 = OpConstant %uint 1
|
|
%uint_2 = OpConstant %uint 2
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %7
|
|
%20 = OpLabel
|
|
%t = OpVariable %_ptr_Function_float Function
|
|
%21 = OpAccessChain %_ptr_Input_float %BaseColor %uint_0
|
|
%22 = OpLoad %float %21
|
|
%23 = OpFOrdEqual %bool %22 %float_0
|
|
OpSelectionMerge %24 None
|
|
OpBranchConditional %23 %25 %26
|
|
%25 = OpLabel
|
|
%27 = OpAccessChain %_ptr_Input_float %BaseColor %uint_1
|
|
%28 = OpLoad %float %27
|
|
OpStore %t %28
|
|
OpBranch %24
|
|
%26 = OpLabel
|
|
%29 = OpAccessChain %_ptr_Input_float %BaseColor %uint_2
|
|
%30 = OpLoad %float %29
|
|
OpStore %t %30
|
|
OpBranch %24
|
|
%24 = OpLabel
|
|
%31 = OpLoad %float %t
|
|
%32 = OpCompositeConstruct %v4float %31 %31 %31 %31
|
|
OpStore %OutColor %32
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateLiveIfThenElseNested) {
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float t;
|
|
// if (BaseColor.x == 0)
|
|
// if (BaseColor.y == 0)
|
|
// t = 0.0;
|
|
// else
|
|
// t = 0.25;
|
|
// else
|
|
// if (BaseColor.y == 0)
|
|
// t = 0.5;
|
|
// else
|
|
// t = 0.75;
|
|
// OutColor = vec4(t);
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %t "t"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%float_0 = OpConstant %float 0
|
|
%bool = OpTypeBool
|
|
%uint_1 = OpConstant %uint 1
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0_25 = OpConstant %float 0.25
|
|
%float_0_5 = OpConstant %float 0.5
|
|
%float_0_75 = OpConstant %float 0.75
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %7
|
|
%22 = OpLabel
|
|
%t = OpVariable %_ptr_Function_float Function
|
|
%23 = OpAccessChain %_ptr_Input_float %BaseColor %uint_0
|
|
%24 = OpLoad %float %23
|
|
%25 = OpFOrdEqual %bool %24 %float_0
|
|
OpSelectionMerge %26 None
|
|
OpBranchConditional %25 %27 %28
|
|
%27 = OpLabel
|
|
%29 = OpAccessChain %_ptr_Input_float %BaseColor %uint_1
|
|
%30 = OpLoad %float %29
|
|
%31 = OpFOrdEqual %bool %30 %float_0
|
|
OpSelectionMerge %32 None
|
|
OpBranchConditional %31 %33 %34
|
|
%33 = OpLabel
|
|
OpStore %t %float_0
|
|
OpBranch %32
|
|
%34 = OpLabel
|
|
OpStore %t %float_0_25
|
|
OpBranch %32
|
|
%32 = OpLabel
|
|
OpBranch %26
|
|
%28 = OpLabel
|
|
%35 = OpAccessChain %_ptr_Input_float %BaseColor %uint_1
|
|
%36 = OpLoad %float %35
|
|
%37 = OpFOrdEqual %bool %36 %float_0
|
|
OpSelectionMerge %38 None
|
|
OpBranchConditional %37 %39 %40
|
|
%39 = OpLabel
|
|
OpStore %t %float_0_5
|
|
OpBranch %38
|
|
%40 = OpLabel
|
|
OpStore %t %float_0_75
|
|
OpBranch %38
|
|
%38 = OpLabel
|
|
OpBranch %26
|
|
%26 = OpLabel
|
|
%41 = OpLoad %float %t
|
|
%42 = OpCompositeConstruct %v4float %41 %41 %41 %41
|
|
OpStore %OutColor %42
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateIfWithPhi) {
|
|
// Note: Assembly hand-optimized from GLSL
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float t;
|
|
// if (BaseColor.x == 0)
|
|
// t = 0.0;
|
|
// else
|
|
// t = 1.0;
|
|
// OutColor = vec4(t);
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%6 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%float_0 = OpConstant %float 0
|
|
%bool = OpTypeBool
|
|
%float_1 = OpConstant %float 1
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %6
|
|
%17 = OpLabel
|
|
%18 = OpAccessChain %_ptr_Input_float %BaseColor %uint_0
|
|
%19 = OpLoad %float %18
|
|
%20 = OpFOrdEqual %bool %19 %float_0
|
|
OpSelectionMerge %21 None
|
|
OpBranchConditional %20 %22 %23
|
|
%22 = OpLabel
|
|
OpBranch %21
|
|
%23 = OpLabel
|
|
OpBranch %21
|
|
%21 = OpLabel
|
|
%24 = OpPhi %float %float_0 %22 %float_1 %23
|
|
%25 = OpCompositeConstruct %v4float %24 %24 %24 %24
|
|
OpStore %OutColor %25
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateIfBreak) {
|
|
// Note: Assembly optimized from GLSL
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout(location=0) in vec4 InColor;
|
|
// layout(location=0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float f = 0.0;
|
|
// for (;;) {
|
|
// f += 2.0;
|
|
// if (f > 20.0)
|
|
// break;
|
|
// }
|
|
//
|
|
// OutColor = InColor / f;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %OutColor %InColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %f "f"
|
|
OpName %OutColor "OutColor"
|
|
OpName %InColor "InColor"
|
|
OpDecorate %OutColor Location 0
|
|
OpDecorate %InColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%float_2 = OpConstant %float 2
|
|
%float_20 = OpConstant %float 20
|
|
%bool = OpTypeBool
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%InColor = OpVariable %_ptr_Input_v4float Input
|
|
%main = OpFunction %void None %7
|
|
%17 = OpLabel
|
|
%f = OpVariable %_ptr_Function_float Function
|
|
OpStore %f %float_0
|
|
OpBranch %18
|
|
%18 = OpLabel
|
|
OpLoopMerge %19 %20 None
|
|
OpBranch %21
|
|
%21 = OpLabel
|
|
%22 = OpLoad %float %f
|
|
%23 = OpFAdd %float %22 %float_2
|
|
OpStore %f %23
|
|
%24 = OpLoad %float %f
|
|
%25 = OpFOrdGreaterThan %bool %24 %float_20
|
|
OpSelectionMerge %26 None
|
|
OpBranchConditional %25 %27 %26
|
|
%27 = OpLabel
|
|
OpBranch %19
|
|
%26 = OpLabel
|
|
OpBranch %20
|
|
%20 = OpLabel
|
|
OpBranch %18
|
|
%19 = OpLabel
|
|
%28 = OpLoad %v4float %InColor
|
|
%29 = OpLoad %float %f
|
|
%30 = OpCompositeConstruct %v4float %29 %29 %29 %29
|
|
%31 = OpFDiv %v4float %28 %30
|
|
OpStore %OutColor %31
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateIfBreak2) {
|
|
// Do not eliminate break as conditional branch with merge instruction
|
|
// Note: SPIR-V edited to add merge instruction before break.
|
|
//
|
|
// #version 430
|
|
//
|
|
// layout(std430) buffer U_t
|
|
// {
|
|
// float g_F[10];
|
|
// };
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// float s = 0.0;
|
|
// for (int i=0; i<10; i++)
|
|
// s += g_F[i];
|
|
// o = s;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %s "s"
|
|
OpName %i "i"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%U_t = OpTypeStruct %_arr_float_uint_10
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %10
|
|
%25 = OpLabel
|
|
%s = OpVariable %_ptr_Function_float Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
OpStore %s %float_0
|
|
OpStore %i %int_0
|
|
OpBranch %26
|
|
%26 = OpLabel
|
|
OpLoopMerge %27 %28 None
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
%30 = OpLoad %int %i
|
|
%31 = OpSLessThan %bool %30 %int_10
|
|
OpSelectionMerge %32 None
|
|
OpBranchConditional %31 %32 %27
|
|
%32 = OpLabel
|
|
%33 = OpLoad %int %i
|
|
%34 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %33
|
|
%35 = OpLoad %float %34
|
|
%36 = OpLoad %float %s
|
|
%37 = OpFAdd %float %36 %35
|
|
OpStore %s %37
|
|
OpBranch %28
|
|
%28 = OpLabel
|
|
%38 = OpLoad %int %i
|
|
%39 = OpIAdd %int %38 %int_1
|
|
OpStore %i %39
|
|
OpBranch %26
|
|
%27 = OpLabel
|
|
%40 = OpLoad %float %s
|
|
OpStore %o %40
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateEntireUselessLoop) {
|
|
// #version 140
|
|
// in vec4 BaseColor;
|
|
//
|
|
// layout(std140) uniform U_t
|
|
// {
|
|
// int g_I ;
|
|
// } ;
|
|
//
|
|
// void main()
|
|
// {
|
|
// vec4 v = BaseColor;
|
|
// float df = 0.0;
|
|
// int i = 0;
|
|
// while (i < g_I) {
|
|
// df = df * 0.5;
|
|
// i = i + 1;
|
|
// }
|
|
// gl_FragColor = v;
|
|
// }
|
|
|
|
const std::string predefs1 =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %gl_FragColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
)";
|
|
|
|
const std::string names_before =
|
|
R"(OpName %main "main"
|
|
OpName %v "v"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %df "df"
|
|
OpName %i "i"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_I"
|
|
OpName %_ ""
|
|
OpName %gl_FragColor "gl_FragColor"
|
|
)";
|
|
|
|
const std::string names_after =
|
|
R"(OpName %main "main"
|
|
OpName %v "v"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %gl_FragColor "gl_FragColor"
|
|
)";
|
|
|
|
const std::string predefs2_before =
|
|
R"(OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t Block
|
|
OpDecorate %_ DescriptorSet 0
|
|
%void = OpTypeVoid
|
|
%11 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%U_t = OpTypeStruct %int
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_int = OpTypePointer Uniform %int
|
|
%bool = OpTypeBool
|
|
%float_0_5 = OpConstant %float 0.5
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
)";
|
|
|
|
const std::string predefs2_after =
|
|
R"(%void = OpTypeVoid
|
|
%11 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %11
|
|
%27 = OpLabel
|
|
%v = OpVariable %_ptr_Function_v4float Function
|
|
%df = OpVariable %_ptr_Function_float Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
%28 = OpLoad %v4float %BaseColor
|
|
OpStore %v %28
|
|
OpStore %df %float_0
|
|
OpStore %i %int_0
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
OpLoopMerge %30 %31 None
|
|
OpBranch %32
|
|
%32 = OpLabel
|
|
%33 = OpLoad %int %i
|
|
%34 = OpAccessChain %_ptr_Uniform_int %_ %int_0
|
|
%35 = OpLoad %int %34
|
|
%36 = OpSLessThan %bool %33 %35
|
|
OpBranchConditional %36 %37 %30
|
|
%37 = OpLabel
|
|
%38 = OpLoad %float %df
|
|
%39 = OpFMul %float %38 %float_0_5
|
|
OpStore %df %39
|
|
%40 = OpLoad %int %i
|
|
%41 = OpIAdd %int %40 %int_1
|
|
OpStore %i %41
|
|
OpBranch %31
|
|
%31 = OpLabel
|
|
OpBranch %29
|
|
%30 = OpLabel
|
|
%42 = OpLoad %v4float %v
|
|
OpStore %gl_FragColor %42
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %11
|
|
%27 = OpLabel
|
|
%v = OpVariable %_ptr_Function_v4float Function
|
|
%28 = OpLoad %v4float %BaseColor
|
|
OpStore %v %28
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%42 = OpLoad %v4float %v
|
|
OpStore %gl_FragColor %42
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(
|
|
predefs1 + names_before + predefs2_before + func_before,
|
|
predefs1 + names_after + predefs2_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateBusyLoop) {
|
|
// Note: SPIR-V edited to replace AtomicAdd(i,0) with AtomicLoad(i)
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout(std430) buffer I_t
|
|
// {
|
|
// int g_I;
|
|
// int g_I2;
|
|
// };
|
|
//
|
|
// layout(location = 0) out int o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// while (atomicAdd(g_I, 0) == 0) {}
|
|
// o = g_I2;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %I_t "I_t"
|
|
OpMemberName %I_t 0 "g_I"
|
|
OpMemberName %I_t 1 "g_I2"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpMemberDecorate %I_t 0 Offset 0
|
|
OpMemberDecorate %I_t 1 Offset 4
|
|
OpDecorate %I_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%I_t = OpTypeStruct %int %int
|
|
%_ptr_Uniform_I_t = OpTypePointer Uniform %I_t
|
|
%_ = OpVariable %_ptr_Uniform_I_t Uniform
|
|
%int_0 = OpConstant %int 0
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Uniform_int = OpTypePointer Uniform %int
|
|
%uint = OpTypeInt 32 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%uint_0 = OpConstant %uint 0
|
|
%bool = OpTypeBool
|
|
%_ptr_Output_int = OpTypePointer Output %int
|
|
%o = OpVariable %_ptr_Output_int Output
|
|
%main = OpFunction %void None %7
|
|
%18 = OpLabel
|
|
OpBranch %19
|
|
%19 = OpLabel
|
|
OpLoopMerge %20 %21 None
|
|
OpBranch %22
|
|
%22 = OpLabel
|
|
%23 = OpAccessChain %_ptr_Uniform_int %_ %int_0
|
|
%24 = OpAtomicLoad %int %23 %uint_1 %uint_0
|
|
%25 = OpIEqual %bool %24 %int_0
|
|
OpBranchConditional %25 %26 %20
|
|
%26 = OpLabel
|
|
OpBranch %21
|
|
%21 = OpLabel
|
|
OpBranch %19
|
|
%20 = OpLabel
|
|
%27 = OpAccessChain %_ptr_Uniform_int %_ %int_1
|
|
%28 = OpLoad %int %27
|
|
OpStore %o %28
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateLiveLoop) {
|
|
// Note: SPIR-V optimized
|
|
//
|
|
// #version 430
|
|
//
|
|
// layout(std430) buffer U_t
|
|
// {
|
|
// float g_F[10];
|
|
// };
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// float s = 0.0;
|
|
// for (int i=0; i<10; i++)
|
|
// s += g_F[i];
|
|
// o = s;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%U_t = OpTypeStruct %_arr_float_uint_10
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %8
|
|
%21 = OpLabel
|
|
OpBranch %22
|
|
%22 = OpLabel
|
|
%23 = OpPhi %float %float_0 %21 %24 %25
|
|
%26 = OpPhi %int %int_0 %21 %27 %25
|
|
OpLoopMerge %28 %25 None
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
%30 = OpSLessThan %bool %26 %int_10
|
|
OpBranchConditional %30 %31 %28
|
|
%31 = OpLabel
|
|
%32 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %26
|
|
%33 = OpLoad %float %32
|
|
%24 = OpFAdd %float %23 %33
|
|
OpBranch %25
|
|
%25 = OpLabel
|
|
%27 = OpIAdd %int %26 %int_1
|
|
OpBranch %22
|
|
%28 = OpLabel
|
|
OpStore %o %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateEntireFunctionBody) {
|
|
// #version 450
|
|
//
|
|
// layout(location = 0) in vec4 BaseColor;
|
|
// layout(location = 0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float d;
|
|
// if (BaseColor.x == 0)
|
|
// d = BaseColor.y;
|
|
// else
|
|
// d = BaseColor.z;
|
|
// }
|
|
|
|
const std::string spirv =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %d "d"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %BaseColor Location 0
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%float_0 = OpConstant %float 0
|
|
%bool = OpTypeBool
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%uint_1 = OpConstant %uint 1
|
|
%uint_2 = OpConstant %uint 2
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
|
|
; CHECK: = OpFunction
|
|
; CHECK-NEXT: = OpLabel
|
|
; CHECK-NEXT: OpBranch [[target:%\w+]]
|
|
; CHECK-NEXT: [[target]] = OpLabel
|
|
; CHECK-NEXT: OpReturn
|
|
; CHECK-NEXT: OpFunctionEnd
|
|
|
|
%main = OpFunction %void None %7
|
|
%20 = OpLabel
|
|
%d = OpVariable %_ptr_Function_float Function
|
|
%21 = OpAccessChain %_ptr_Input_float %BaseColor %uint_0
|
|
%22 = OpLoad %float %21
|
|
%23 = OpFOrdEqual %bool %22 %float_0
|
|
OpSelectionMerge %24 None
|
|
OpBranchConditional %23 %25 %26
|
|
%25 = OpLabel
|
|
%27 = OpAccessChain %_ptr_Input_float %BaseColor %uint_1
|
|
%28 = OpLoad %float %27
|
|
OpStore %d %28
|
|
OpBranch %24
|
|
%26 = OpLabel
|
|
%29 = OpAccessChain %_ptr_Input_float %BaseColor %uint_2
|
|
%30 = OpLoad %float %29
|
|
OpStore %d %30
|
|
OpBranch %24
|
|
%24 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateUselessInnerLoop) {
|
|
// #version 430
|
|
//
|
|
// layout(std430) buffer U_t
|
|
// {
|
|
// float g_F[10];
|
|
// };
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// float s = 0.0;
|
|
// for (int i=0; i<10; i++) {
|
|
// for (int j=0; j<10; j++) {
|
|
// }
|
|
// s += g_F[i];
|
|
// }
|
|
// o = s;
|
|
// }
|
|
|
|
const std::string predefs_before =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %s "s"
|
|
OpName %i "i"
|
|
OpName %j "j"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%11 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%int_1 = OpConstant %int 1
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%U_t = OpTypeStruct %_arr_float_uint_10
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
)";
|
|
|
|
const std::string predefs_after =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %s "s"
|
|
OpName %i "i"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%11 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%int_1 = OpConstant %int 1
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%U_t = OpTypeStruct %_arr_float_uint_10
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %11
|
|
%26 = OpLabel
|
|
%s = OpVariable %_ptr_Function_float Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
%j = OpVariable %_ptr_Function_int Function
|
|
OpStore %s %float_0
|
|
OpStore %i %int_0
|
|
OpBranch %27
|
|
%27 = OpLabel
|
|
OpLoopMerge %28 %29 None
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%31 = OpLoad %int %i
|
|
%32 = OpSLessThan %bool %31 %int_10
|
|
OpBranchConditional %32 %33 %28
|
|
%33 = OpLabel
|
|
OpStore %j %int_0
|
|
OpBranch %34
|
|
%34 = OpLabel
|
|
OpLoopMerge %35 %36 None
|
|
OpBranch %37
|
|
%37 = OpLabel
|
|
%38 = OpLoad %int %j
|
|
%39 = OpSLessThan %bool %38 %int_10
|
|
OpBranchConditional %39 %40 %35
|
|
%40 = OpLabel
|
|
OpBranch %36
|
|
%36 = OpLabel
|
|
%41 = OpLoad %int %j
|
|
%42 = OpIAdd %int %41 %int_1
|
|
OpStore %j %42
|
|
OpBranch %34
|
|
%35 = OpLabel
|
|
%43 = OpLoad %int %i
|
|
%44 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %43
|
|
%45 = OpLoad %float %44
|
|
%46 = OpLoad %float %s
|
|
%47 = OpFAdd %float %46 %45
|
|
OpStore %s %47
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
%48 = OpLoad %int %i
|
|
%49 = OpIAdd %int %48 %int_1
|
|
OpStore %i %49
|
|
OpBranch %27
|
|
%28 = OpLabel
|
|
%50 = OpLoad %float %s
|
|
OpStore %o %50
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %11
|
|
%26 = OpLabel
|
|
%s = OpVariable %_ptr_Function_float Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
OpStore %s %float_0
|
|
OpStore %i %int_0
|
|
OpBranch %27
|
|
%27 = OpLabel
|
|
OpLoopMerge %28 %29 None
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%31 = OpLoad %int %i
|
|
%32 = OpSLessThan %bool %31 %int_10
|
|
OpBranchConditional %32 %33 %28
|
|
%33 = OpLabel
|
|
OpBranch %34
|
|
%34 = OpLabel
|
|
OpBranch %35
|
|
%35 = OpLabel
|
|
%43 = OpLoad %int %i
|
|
%44 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %43
|
|
%45 = OpLoad %float %44
|
|
%46 = OpLoad %float %s
|
|
%47 = OpFAdd %float %46 %45
|
|
OpStore %s %47
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
%48 = OpLoad %int %i
|
|
%49 = OpIAdd %int %48 %int_1
|
|
OpStore %i %49
|
|
OpBranch %27
|
|
%28 = OpLabel
|
|
%50 = OpLoad %float %s
|
|
OpStore %o %50
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(
|
|
predefs_before + func_before, predefs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateUselessNestedLoopWithIf) {
|
|
// #version 430
|
|
//
|
|
// layout(std430) buffer U_t
|
|
// {
|
|
// float g_F[10][10];
|
|
// };
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// float s = 0.0;
|
|
// for (int i=0; i<10; i++) {
|
|
// for (int j=0; j<10; j++) {
|
|
// float t = g_F[i][j];
|
|
// if (t > 0.0)
|
|
// s += t;
|
|
// }
|
|
// }
|
|
// o = 0.0;
|
|
// }
|
|
|
|
const std::string predefs_before =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %s "s"
|
|
OpName %i "i"
|
|
OpName %j "j"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpDecorate %_arr__arr_float_uint_10_uint_10 ArrayStride 40
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%12 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%_arr__arr_float_uint_10_uint_10 = OpTypeArray %_arr_float_uint_10 %uint_10
|
|
%U_t = OpTypeStruct %_arr__arr_float_uint_10_uint_10
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
)";
|
|
|
|
const std::string predefs_after =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %o "o"
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%12 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%float_0 = OpConstant %float 0
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %12
|
|
%27 = OpLabel
|
|
%s = OpVariable %_ptr_Function_float Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
%j = OpVariable %_ptr_Function_int Function
|
|
OpStore %s %float_0
|
|
OpStore %i %int_0
|
|
OpBranch %28
|
|
%28 = OpLabel
|
|
OpLoopMerge %29 %30 None
|
|
OpBranch %31
|
|
%31 = OpLabel
|
|
%32 = OpLoad %int %i
|
|
%33 = OpSLessThan %bool %32 %int_10
|
|
OpBranchConditional %33 %34 %29
|
|
%34 = OpLabel
|
|
OpStore %j %int_0
|
|
OpBranch %35
|
|
%35 = OpLabel
|
|
OpLoopMerge %36 %37 None
|
|
OpBranch %38
|
|
%38 = OpLabel
|
|
%39 = OpLoad %int %j
|
|
%40 = OpSLessThan %bool %39 %int_10
|
|
OpBranchConditional %40 %41 %36
|
|
%41 = OpLabel
|
|
%42 = OpLoad %int %i
|
|
%43 = OpLoad %int %j
|
|
%44 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %42 %43
|
|
%45 = OpLoad %float %44
|
|
%46 = OpFOrdGreaterThan %bool %45 %float_0
|
|
OpSelectionMerge %47 None
|
|
OpBranchConditional %46 %48 %47
|
|
%48 = OpLabel
|
|
%49 = OpLoad %float %s
|
|
%50 = OpFAdd %float %49 %45
|
|
OpStore %s %50
|
|
OpBranch %47
|
|
%47 = OpLabel
|
|
OpBranch %37
|
|
%37 = OpLabel
|
|
%51 = OpLoad %int %j
|
|
%52 = OpIAdd %int %51 %int_1
|
|
OpStore %j %52
|
|
OpBranch %35
|
|
%36 = OpLabel
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%53 = OpLoad %int %i
|
|
%54 = OpIAdd %int %53 %int_1
|
|
OpStore %i %54
|
|
OpBranch %28
|
|
%29 = OpLabel
|
|
OpStore %o %float_0
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %12
|
|
%27 = OpLabel
|
|
OpBranch %28
|
|
%28 = OpLabel
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
OpStore %o %float_0
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(
|
|
predefs_before + func_before, predefs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateEmptyIfBeforeContinue) {
|
|
// #version 430
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// float s = 0.0;
|
|
// for (int i=0; i<10; i++) {
|
|
// s += 1.0;
|
|
// if (i > s) {}
|
|
// }
|
|
// o = s;
|
|
// }
|
|
|
|
const std::string predefs_before =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %3
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
|
|
OpSourceExtension "GL_GOOGLE_include_directive"
|
|
OpName %main "main"
|
|
OpDecorate %3 Location 0
|
|
%void = OpTypeVoid
|
|
%5 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%float_1 = OpConstant %float 1
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%3 = OpVariable %_ptr_Output_float Output
|
|
)";
|
|
|
|
const std::string predefs_after =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %3
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
|
|
OpSourceExtension "GL_GOOGLE_include_directive"
|
|
OpName %main "main"
|
|
OpDecorate %3 Location 0
|
|
%void = OpTypeVoid
|
|
%5 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%float_1 = OpConstant %float 1
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%3 = OpVariable %_ptr_Output_float Output
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %5
|
|
%16 = OpLabel
|
|
OpBranch %17
|
|
%17 = OpLabel
|
|
%18 = OpPhi %float %float_0 %16 %19 %20
|
|
%21 = OpPhi %int %int_0 %16 %22 %20
|
|
OpLoopMerge %23 %20 None
|
|
OpBranch %24
|
|
%24 = OpLabel
|
|
%25 = OpSLessThan %bool %21 %int_10
|
|
OpBranchConditional %25 %26 %23
|
|
%26 = OpLabel
|
|
%19 = OpFAdd %float %18 %float_1
|
|
%27 = OpConvertFToS %int %19
|
|
%28 = OpSGreaterThan %bool %21 %27
|
|
OpSelectionMerge %20 None
|
|
OpBranchConditional %28 %29 %20
|
|
%29 = OpLabel
|
|
OpBranch %20
|
|
%20 = OpLabel
|
|
%22 = OpIAdd %int %21 %int_1
|
|
OpBranch %17
|
|
%23 = OpLabel
|
|
OpStore %3 %18
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %5
|
|
%16 = OpLabel
|
|
OpBranch %17
|
|
%17 = OpLabel
|
|
%18 = OpPhi %float %float_0 %16 %19 %20
|
|
%21 = OpPhi %int %int_0 %16 %22 %20
|
|
OpLoopMerge %23 %20 None
|
|
OpBranch %24
|
|
%24 = OpLabel
|
|
%25 = OpSLessThan %bool %21 %int_10
|
|
OpBranchConditional %25 %26 %23
|
|
%26 = OpLabel
|
|
%19 = OpFAdd %float %18 %float_1
|
|
OpBranch %20
|
|
%20 = OpLabel
|
|
%22 = OpIAdd %int %21 %int_1
|
|
OpBranch %17
|
|
%23 = OpLabel
|
|
OpStore %3 %18
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(
|
|
predefs_before + func_before, predefs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateLiveNestedLoopWithIf) {
|
|
// Note: SPIR-V optimized
|
|
//
|
|
// #version 430
|
|
//
|
|
// layout(std430) buffer U_t
|
|
// {
|
|
// float g_F[10][10];
|
|
// };
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// float s = 0.0;
|
|
// for (int i=0; i<10; i++) {
|
|
// for (int j=0; j<10; j++) {
|
|
// float t = g_F[i][j];
|
|
// if (t > 0.0)
|
|
// s += t;
|
|
// }
|
|
// }
|
|
// o = s;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %s "s"
|
|
OpName %i "i"
|
|
OpName %j "j"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpDecorate %_arr__arr_float_uint_10_uint_10 ArrayStride 40
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%12 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%_arr__arr_float_uint_10_uint_10 = OpTypeArray %_arr_float_uint_10 %uint_10
|
|
%U_t = OpTypeStruct %_arr__arr_float_uint_10_uint_10
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %12
|
|
%27 = OpLabel
|
|
%s = OpVariable %_ptr_Function_float Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
%j = OpVariable %_ptr_Function_int Function
|
|
OpStore %s %float_0
|
|
OpStore %i %int_0
|
|
OpBranch %28
|
|
%28 = OpLabel
|
|
OpLoopMerge %29 %30 None
|
|
OpBranch %31
|
|
%31 = OpLabel
|
|
%32 = OpLoad %int %i
|
|
%33 = OpSLessThan %bool %32 %int_10
|
|
OpBranchConditional %33 %34 %29
|
|
%34 = OpLabel
|
|
OpStore %j %int_0
|
|
OpBranch %35
|
|
%35 = OpLabel
|
|
OpLoopMerge %36 %37 None
|
|
OpBranch %38
|
|
%38 = OpLabel
|
|
%39 = OpLoad %int %j
|
|
%40 = OpSLessThan %bool %39 %int_10
|
|
OpBranchConditional %40 %41 %36
|
|
%41 = OpLabel
|
|
%42 = OpLoad %int %i
|
|
%43 = OpLoad %int %j
|
|
%44 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %42 %43
|
|
%45 = OpLoad %float %44
|
|
%46 = OpFOrdGreaterThan %bool %45 %float_0
|
|
OpSelectionMerge %47 None
|
|
OpBranchConditional %46 %48 %47
|
|
%48 = OpLabel
|
|
%49 = OpLoad %float %s
|
|
%50 = OpFAdd %float %49 %45
|
|
OpStore %s %50
|
|
OpBranch %47
|
|
%47 = OpLabel
|
|
OpBranch %37
|
|
%37 = OpLabel
|
|
%51 = OpLoad %int %j
|
|
%52 = OpIAdd %int %51 %int_1
|
|
OpStore %j %52
|
|
OpBranch %35
|
|
%36 = OpLabel
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%53 = OpLoad %int %i
|
|
%54 = OpIAdd %int %53 %int_1
|
|
OpStore %i %54
|
|
OpBranch %28
|
|
%29 = OpLabel
|
|
%55 = OpLoad %float %s
|
|
OpStore %o %55
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateIfContinue) {
|
|
// Do not eliminate continue embedded in if construct
|
|
//
|
|
// #version 430
|
|
//
|
|
// layout(std430) buffer U_t
|
|
// {
|
|
// float g_F[10];
|
|
// };
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// float s = 0.0;
|
|
// for (int i=0; i<10; i++) {
|
|
// if (i % 2 == 0) continue;
|
|
// s += g_F[i];
|
|
// }
|
|
// o = s;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %s "s"
|
|
OpName %i "i"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%int_2 = OpConstant %int 2
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%U_t = OpTypeStruct %_arr_float_uint_10
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %10
|
|
%26 = OpLabel
|
|
%s = OpVariable %_ptr_Function_float Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
OpStore %s %float_0
|
|
OpStore %i %int_0
|
|
OpBranch %27
|
|
%27 = OpLabel
|
|
OpLoopMerge %28 %29 None
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%31 = OpLoad %int %i
|
|
%32 = OpSLessThan %bool %31 %int_10
|
|
OpBranchConditional %32 %33 %28
|
|
%33 = OpLabel
|
|
%34 = OpLoad %int %i
|
|
%35 = OpSMod %int %34 %int_2
|
|
%36 = OpIEqual %bool %35 %int_0
|
|
OpSelectionMerge %37 None
|
|
OpBranchConditional %36 %38 %37
|
|
%38 = OpLabel
|
|
OpBranch %29
|
|
%37 = OpLabel
|
|
%39 = OpLoad %int %i
|
|
%40 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %39
|
|
%41 = OpLoad %float %40
|
|
%42 = OpLoad %float %s
|
|
%43 = OpFAdd %float %42 %41
|
|
OpStore %s %43
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
%44 = OpLoad %int %i
|
|
%45 = OpIAdd %int %44 %int_1
|
|
OpStore %i %45
|
|
OpBranch %27
|
|
%28 = OpLabel
|
|
%46 = OpLoad %float %s
|
|
OpStore %o %46
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateIfContinue2) {
|
|
// Do not eliminate continue not embedded in if construct
|
|
//
|
|
// #version 430
|
|
//
|
|
// layout(std430) buffer U_t
|
|
// {
|
|
// float g_F[10];
|
|
// };
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// float s = 0.0;
|
|
// for (int i=0; i<10; i++) {
|
|
// if (i % 2 == 0) continue;
|
|
// s += g_F[i];
|
|
// }
|
|
// o = s;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %s "s"
|
|
OpName %i "i"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%int_2 = OpConstant %int 2
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%U_t = OpTypeStruct %_arr_float_uint_10
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %10
|
|
%26 = OpLabel
|
|
%s = OpVariable %_ptr_Function_float Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
OpStore %s %float_0
|
|
OpStore %i %int_0
|
|
OpBranch %27
|
|
%27 = OpLabel
|
|
OpLoopMerge %28 %29 None
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%31 = OpLoad %int %i
|
|
%32 = OpSLessThan %bool %31 %int_10
|
|
OpBranchConditional %32 %33 %28
|
|
%33 = OpLabel
|
|
%34 = OpLoad %int %i
|
|
%35 = OpSMod %int %34 %int_2
|
|
%36 = OpIEqual %bool %35 %int_0
|
|
OpBranchConditional %36 %29 %37
|
|
%37 = OpLabel
|
|
%38 = OpLoad %int %i
|
|
%39 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %38
|
|
%40 = OpLoad %float %39
|
|
%41 = OpLoad %float %s
|
|
%42 = OpFAdd %float %41 %40
|
|
OpStore %s %42
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
%43 = OpLoad %int %i
|
|
%44 = OpIAdd %int %43 %int_1
|
|
OpStore %i %44
|
|
OpBranch %27
|
|
%28 = OpLabel
|
|
%45 = OpLoad %float %s
|
|
OpStore %o %45
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateIfContinue3) {
|
|
// Do not eliminate continue as conditional branch with merge instruction
|
|
// Note: SPIR-V edited to add merge instruction before continue.
|
|
//
|
|
// #version 430
|
|
//
|
|
// layout(std430) buffer U_t
|
|
// {
|
|
// float g_F[10];
|
|
// };
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// float s = 0.0;
|
|
// for (int i=0; i<10; i++) {
|
|
// if (i % 2 == 0) continue;
|
|
// s += g_F[i];
|
|
// }
|
|
// o = s;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %s "s"
|
|
OpName %i "i"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_0 = OpConstant %float 0
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%int_2 = OpConstant %int 2
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%U_t = OpTypeStruct %_arr_float_uint_10
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %10
|
|
%26 = OpLabel
|
|
%s = OpVariable %_ptr_Function_float Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
OpStore %s %float_0
|
|
OpStore %i %int_0
|
|
OpBranch %27
|
|
%27 = OpLabel
|
|
OpLoopMerge %28 %29 None
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%31 = OpLoad %int %i
|
|
%32 = OpSLessThan %bool %31 %int_10
|
|
OpBranchConditional %32 %33 %28
|
|
%33 = OpLabel
|
|
%34 = OpLoad %int %i
|
|
%35 = OpSMod %int %34 %int_2
|
|
%36 = OpIEqual %bool %35 %int_0
|
|
OpSelectionMerge %37 None
|
|
OpBranchConditional %36 %29 %37
|
|
%37 = OpLabel
|
|
%38 = OpLoad %int %i
|
|
%39 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %38
|
|
%40 = OpLoad %float %39
|
|
%41 = OpLoad %float %s
|
|
%42 = OpFAdd %float %41 %40
|
|
OpStore %s %42
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
%43 = OpLoad %int %i
|
|
%44 = OpIAdd %int %43 %int_1
|
|
OpStore %i %44
|
|
OpBranch %27
|
|
%28 = OpLabel
|
|
%45 = OpLoad %float %s
|
|
OpStore %o %45
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(assembly, assembly, true, true);
|
|
}
|
|
|
|
// This is not valid input and ADCE does not support variable pointers and only
|
|
// supports shaders.
|
|
TEST_F(AggressiveDCETest, PointerVariable) {
|
|
// ADCE is able to handle code that contains a load whose base address
|
|
// comes from a load and not an OpVariable. I want to see an instruction
|
|
// removed to be sure that ADCE is not exiting early.
|
|
|
|
const std::string before =
|
|
R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %1 "main" %2
|
|
OpExecutionMode %1 OriginUpperLeft
|
|
OpMemberDecorate %_struct_3 0 Offset 0
|
|
OpDecorate %_runtimearr__struct_3 ArrayStride 16
|
|
OpMemberDecorate %_struct_5 0 Offset 0
|
|
OpDecorate %_struct_5 BufferBlock
|
|
OpMemberDecorate %_struct_6 0 Offset 0
|
|
OpDecorate %_struct_6 BufferBlock
|
|
OpDecorate %2 Location 0
|
|
OpDecorate %7 DescriptorSet 0
|
|
OpDecorate %7 Binding 0
|
|
OpDecorate %8 DescriptorSet 0
|
|
OpDecorate %8 Binding 1
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%uint = OpTypeInt 32 0
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
|
|
%_struct_3 = OpTypeStruct %v4float
|
|
%_runtimearr__struct_3 = OpTypeRuntimeArray %_struct_3
|
|
%_struct_5 = OpTypeStruct %_runtimearr__struct_3
|
|
%_ptr_Uniform__struct_5 = OpTypePointer Uniform %_struct_5
|
|
%_struct_6 = OpTypeStruct %int
|
|
%_ptr_Uniform__struct_6 = OpTypePointer Uniform %_struct_6
|
|
%_ptr_Function__ptr_Uniform__struct_5 = OpTypePointer Function %_ptr_Uniform__struct_5
|
|
%_ptr_Function__ptr_Uniform__struct_6 = OpTypePointer Function %_ptr_Uniform__struct_6
|
|
%int_0 = OpConstant %int 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%2 = OpVariable %_ptr_Output_v4float Output
|
|
%7 = OpVariable %_ptr_Uniform__struct_5 Uniform
|
|
%8 = OpVariable %_ptr_Uniform__struct_6 Uniform
|
|
%1 = OpFunction %void None %10
|
|
%23 = OpLabel
|
|
%24 = OpVariable %_ptr_Function__ptr_Uniform__struct_5 Function
|
|
OpStore %24 %7
|
|
%26 = OpLoad %_ptr_Uniform__struct_5 %24
|
|
%27 = OpAccessChain %_ptr_Uniform_v4float %26 %int_0 %uint_0 %int_0
|
|
%28 = OpLoad %v4float %27
|
|
%29 = OpCopyObject %v4float %28
|
|
OpStore %2 %28
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %1 "main" %2
|
|
OpExecutionMode %1 OriginUpperLeft
|
|
OpMemberDecorate %_struct_3 0 Offset 0
|
|
OpDecorate %_runtimearr__struct_3 ArrayStride 16
|
|
OpMemberDecorate %_struct_5 0 Offset 0
|
|
OpDecorate %_struct_5 BufferBlock
|
|
OpDecorate %2 Location 0
|
|
OpDecorate %7 DescriptorSet 0
|
|
OpDecorate %7 Binding 0
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%uint = OpTypeInt 32 0
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
|
|
%_struct_3 = OpTypeStruct %v4float
|
|
%_runtimearr__struct_3 = OpTypeRuntimeArray %_struct_3
|
|
%_struct_5 = OpTypeStruct %_runtimearr__struct_3
|
|
%_ptr_Uniform__struct_5 = OpTypePointer Uniform %_struct_5
|
|
%_ptr_Function__ptr_Uniform__struct_5 = OpTypePointer Function %_ptr_Uniform__struct_5
|
|
%int_0 = OpConstant %int 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%2 = OpVariable %_ptr_Output_v4float Output
|
|
%7 = OpVariable %_ptr_Uniform__struct_5 Uniform
|
|
%1 = OpFunction %void None %10
|
|
%23 = OpLabel
|
|
%24 = OpVariable %_ptr_Function__ptr_Uniform__struct_5 Function
|
|
OpStore %24 %7
|
|
%25 = OpLoad %_ptr_Uniform__struct_5 %24
|
|
%26 = OpAccessChain %_ptr_Uniform_v4float %25 %int_0 %uint_0 %int_0
|
|
%27 = OpLoad %v4float %26
|
|
OpStore %2 %27
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
// The input is not valid and ADCE only supports shaders, but not variable
|
|
// pointers. Workaround this by enabling relaxed logical pointers in the
|
|
// validator.
|
|
ValidatorOptions()->relax_logical_pointer = true;
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(before, after, true, true);
|
|
}
|
|
|
|
// %dead is unused. Make sure we remove it along with its name.
|
|
TEST_F(AggressiveDCETest, RemoveUnreferenced) {
|
|
const std::string before =
|
|
R"(OpCapability Shader
|
|
OpCapability Linkage
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 150
|
|
OpName %main "main"
|
|
OpName %dead "dead"
|
|
%void = OpTypeVoid
|
|
%5 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Private_float = OpTypePointer Private %float
|
|
%dead = OpVariable %_ptr_Private_float Private
|
|
%main = OpFunction %void None %5
|
|
%8 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(OpCapability Shader
|
|
OpCapability Linkage
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 150
|
|
OpName %main "main"
|
|
%void = OpTypeVoid
|
|
%5 = OpTypeFunction %void
|
|
%main = OpFunction %void None %5
|
|
%8 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(before, after, true, true);
|
|
}
|
|
|
|
// Delete %dead because it is unreferenced. Then %initializer becomes
|
|
// unreferenced, so remove it as well.
|
|
TEST_F(AggressiveDCETest, RemoveUnreferencedWithInit1) {
|
|
const std::string before =
|
|
R"(OpCapability Shader
|
|
OpCapability Linkage
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 150
|
|
OpName %main "main"
|
|
OpName %dead "dead"
|
|
OpName %initializer "initializer"
|
|
%void = OpTypeVoid
|
|
%6 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Private_float = OpTypePointer Private %float
|
|
%initializer = OpVariable %_ptr_Private_float Private
|
|
%dead = OpVariable %_ptr_Private_float Private %initializer
|
|
%main = OpFunction %void None %6
|
|
%9 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(OpCapability Shader
|
|
OpCapability Linkage
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 150
|
|
OpName %main "main"
|
|
%void = OpTypeVoid
|
|
%6 = OpTypeFunction %void
|
|
%main = OpFunction %void None %6
|
|
%9 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(before, after, true, true);
|
|
}
|
|
|
|
// Keep %live because it is used, and its initializer.
|
|
TEST_F(AggressiveDCETest, KeepReferenced) {
|
|
const std::string before =
|
|
R"(OpCapability Shader
|
|
OpCapability Linkage
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %output
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 150
|
|
OpName %main "main"
|
|
OpName %live "live"
|
|
OpName %initializer "initializer"
|
|
OpName %output "output"
|
|
%void = OpTypeVoid
|
|
%6 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Private_float = OpTypePointer Private %float
|
|
%initializer = OpConstant %float 0
|
|
%live = OpVariable %_ptr_Private_float Private %initializer
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%output = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %6
|
|
%9 = OpLabel
|
|
%10 = OpLoad %float %live
|
|
OpStore %output %10
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(before, before, true, true);
|
|
}
|
|
|
|
// This test that the decoration associated with a variable are removed when the
|
|
// variable is removed.
|
|
TEST_F(AggressiveDCETest, RemoveVariableAndDecorations) {
|
|
const std::string before =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %main "main"
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %B "B"
|
|
OpMemberName %B 0 "a"
|
|
OpName %Bdat "Bdat"
|
|
OpMemberDecorate %B 0 Offset 0
|
|
OpDecorate %B BufferBlock
|
|
OpDecorate %Bdat DescriptorSet 0
|
|
OpDecorate %Bdat Binding 0
|
|
%void = OpTypeVoid
|
|
%6 = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%B = OpTypeStruct %uint
|
|
%_ptr_Uniform_B = OpTypePointer Uniform %B
|
|
%Bdat = OpVariable %_ptr_Uniform_B Uniform
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
|
|
%main = OpFunction %void None %6
|
|
%13 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %main "main"
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
%void = OpTypeVoid
|
|
%6 = OpTypeFunction %void
|
|
%main = OpFunction %void None %6
|
|
%13 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(before, after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadNestedSwitch) {
|
|
const std::string text = R"(
|
|
; CHECK: OpLabel
|
|
; CHECK: OpBranch [[block:%\w+]]
|
|
; CHECK-NOT: OpSwitch
|
|
; CHECK-NEXT: [[block]] = OpLabel
|
|
; CHECK: OpBranch [[block:%\w+]]
|
|
; CHECK-NOT: OpSwitch
|
|
; CHECK-NEXT: [[block]] = OpLabel
|
|
; CHECK-NEXT: OpStore
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %func "func" %x
|
|
OpExecutionMode %func OriginUpperLeft
|
|
OpName %func "func"
|
|
%void = OpTypeVoid
|
|
%1 = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_ptr_Output = OpTypePointer Output %uint
|
|
%uint_ptr_Input = OpTypePointer Input %uint
|
|
%x = OpVariable %uint_ptr_Output Output
|
|
%a = OpVariable %uint_ptr_Input Input
|
|
%func = OpFunction %void None %1
|
|
%entry = OpLabel
|
|
OpBranch %header
|
|
%header = OpLabel
|
|
%ld = OpLoad %uint %a
|
|
OpLoopMerge %merge %continue None
|
|
OpBranch %postheader
|
|
%postheader = OpLabel
|
|
; This switch doesn't require an OpSelectionMerge and is nested in the dead loop.
|
|
OpSwitch %ld %merge 0 %extra 1 %continue
|
|
%extra = OpLabel
|
|
OpBranch %continue
|
|
%continue = OpLabel
|
|
OpBranch %header
|
|
%merge = OpLabel
|
|
OpStore %x %uint_0
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, LiveNestedSwitch) {
|
|
const std::string text = R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %func "func" %3 %10
|
|
OpExecutionMode %func OriginUpperLeft
|
|
OpName %func "func"
|
|
%void = OpTypeVoid
|
|
%1 = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%_ptr_Output_uint = OpTypePointer Output %uint
|
|
%_ptr_Input_uint = OpTypePointer Input %uint
|
|
%3 = OpVariable %_ptr_Output_uint Output
|
|
%10 = OpVariable %_ptr_Input_uint Input
|
|
%func = OpFunction %void None %1
|
|
%11 = OpLabel
|
|
OpBranch %12
|
|
%12 = OpLabel
|
|
%13 = OpLoad %uint %10
|
|
OpLoopMerge %14 %15 None
|
|
OpBranch %16
|
|
%16 = OpLabel
|
|
OpSelectionMerge %18 None
|
|
OpSwitch %13 %18 0 %17 1 %15
|
|
%17 = OpLabel
|
|
OpStore %3 %uint_1
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
OpBranch %12
|
|
%18 = OpLabel
|
|
OpBranch %14
|
|
%14 = OpLabel
|
|
OpStore %3 %uint_0
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(text, text, false, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, BasicDeleteDeadFunction) {
|
|
// The function Dead should be removed because it is never called.
|
|
const std::vector<const char*> common_code = {
|
|
// clang-format off
|
|
"OpCapability Shader",
|
|
"OpMemoryModel Logical GLSL450",
|
|
"OpEntryPoint Fragment %main \"main\"",
|
|
"OpName %main \"main\"",
|
|
"OpName %Live \"Live\"",
|
|
"%void = OpTypeVoid",
|
|
"%7 = OpTypeFunction %void",
|
|
"%main = OpFunction %void None %7",
|
|
"%15 = OpLabel",
|
|
"%16 = OpFunctionCall %void %Live",
|
|
"%17 = OpFunctionCall %void %Live",
|
|
"OpReturn",
|
|
"OpFunctionEnd",
|
|
"%Live = OpFunction %void None %7",
|
|
"%20 = OpLabel",
|
|
"OpReturn",
|
|
"OpFunctionEnd"
|
|
// clang-format on
|
|
};
|
|
|
|
const std::vector<const char*> dead_function = {
|
|
// clang-format off
|
|
"%Dead = OpFunction %void None %7",
|
|
"%19 = OpLabel",
|
|
"OpReturn",
|
|
"OpFunctionEnd",
|
|
// clang-format on
|
|
};
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(
|
|
JoinAllInsts(Concat(common_code, dead_function)),
|
|
JoinAllInsts(common_code), /* skip_nop = */ true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, BasicKeepLiveFunction) {
|
|
// Everything is reachable from an entry point, so no functions should be
|
|
// deleted.
|
|
const std::vector<const char*> text = {
|
|
// clang-format off
|
|
"OpCapability Shader",
|
|
"OpMemoryModel Logical GLSL450",
|
|
"OpEntryPoint Fragment %main \"main\"",
|
|
"OpName %main \"main\"",
|
|
"OpName %Live1 \"Live1\"",
|
|
"OpName %Live2 \"Live2\"",
|
|
"%void = OpTypeVoid",
|
|
"%7 = OpTypeFunction %void",
|
|
"%main = OpFunction %void None %7",
|
|
"%15 = OpLabel",
|
|
"%16 = OpFunctionCall %void %Live2",
|
|
"%17 = OpFunctionCall %void %Live1",
|
|
"OpReturn",
|
|
"OpFunctionEnd",
|
|
"%Live1 = OpFunction %void None %7",
|
|
"%19 = OpLabel",
|
|
"OpReturn",
|
|
"OpFunctionEnd",
|
|
"%Live2 = OpFunction %void None %7",
|
|
"%20 = OpLabel",
|
|
"OpReturn",
|
|
"OpFunctionEnd"
|
|
// clang-format on
|
|
};
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
std::string assembly = JoinAllInsts(text);
|
|
auto result = SinglePassRunAndDisassemble<AggressiveDCEPass>(
|
|
assembly, /* skip_nop = */ true, /* do_validation = */ false);
|
|
EXPECT_EQ(Pass::Status::SuccessWithoutChange, std::get<1>(result));
|
|
EXPECT_EQ(assembly, std::get<0>(result));
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, BasicRemoveDecorationsAndNames) {
|
|
// We want to remove the names and decorations associated with results that
|
|
// are removed. This test will check for that.
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %main "main"
|
|
OpName %main "main"
|
|
OpName %Dead "Dead"
|
|
OpName %x "x"
|
|
OpName %y "y"
|
|
OpName %z "z"
|
|
OpDecorate %x RelaxedPrecision
|
|
OpDecorate %y RelaxedPrecision
|
|
OpDecorate %z RelaxedPrecision
|
|
OpDecorate %6 RelaxedPrecision
|
|
OpDecorate %7 RelaxedPrecision
|
|
OpDecorate %8 RelaxedPrecision
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%float_1 = OpConstant %float 1
|
|
%main = OpFunction %void None %10
|
|
%14 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%Dead = OpFunction %void None %10
|
|
%15 = OpLabel
|
|
%x = OpVariable %_ptr_Function_float Function
|
|
%y = OpVariable %_ptr_Function_float Function
|
|
%z = OpVariable %_ptr_Function_float Function
|
|
OpStore %x %float_1
|
|
OpStore %y %float_1
|
|
%6 = OpLoad %float %x
|
|
%7 = OpLoad %float %y
|
|
%8 = OpFAdd %float %6 %7
|
|
OpStore %z %8
|
|
OpReturn
|
|
OpFunctionEnd)";
|
|
|
|
const std::string expected_output = R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %main "main"
|
|
OpName %main "main"
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%main = OpFunction %void None %10
|
|
%14 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(text, expected_output,
|
|
/* skip_nop = */ true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, BasicAllDeadConstants) {
|
|
const std::string text = R"(
|
|
; CHECK-NOT: OpConstant
|
|
OpCapability Shader
|
|
OpCapability Float64
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %main "main"
|
|
OpName %main "main"
|
|
%void = OpTypeVoid
|
|
%4 = OpTypeFunction %void
|
|
%bool = OpTypeBool
|
|
%true = OpConstantTrue %bool
|
|
%false = OpConstantFalse %bool
|
|
%int = OpTypeInt 32 1
|
|
%9 = OpConstant %int 1
|
|
%uint = OpTypeInt 32 0
|
|
%11 = OpConstant %uint 2
|
|
%float = OpTypeFloat 32
|
|
%13 = OpConstant %float 3.1415
|
|
%double = OpTypeFloat 64
|
|
%15 = OpConstant %double 3.14159265358979
|
|
%main = OpFunction %void None %4
|
|
%16 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, BasicNoneDeadConstants) {
|
|
const std::vector<const char*> text = {
|
|
// clang-format off
|
|
"OpCapability Shader",
|
|
"OpCapability Float64",
|
|
"%1 = OpExtInstImport \"GLSL.std.450\"",
|
|
"OpMemoryModel Logical GLSL450",
|
|
"OpEntryPoint Vertex %main \"main\" %btv %bfv %iv %uv %fv %dv",
|
|
"OpName %main \"main\"",
|
|
"OpName %btv \"btv\"",
|
|
"OpName %bfv \"bfv\"",
|
|
"OpName %iv \"iv\"",
|
|
"OpName %uv \"uv\"",
|
|
"OpName %fv \"fv\"",
|
|
"OpName %dv \"dv\"",
|
|
"%void = OpTypeVoid",
|
|
"%10 = OpTypeFunction %void",
|
|
"%bool = OpTypeBool",
|
|
"%_ptr_Output_bool = OpTypePointer Output %bool",
|
|
"%true = OpConstantTrue %bool",
|
|
"%false = OpConstantFalse %bool",
|
|
"%int = OpTypeInt 32 1",
|
|
"%_ptr_Output_int = OpTypePointer Output %int",
|
|
"%int_1 = OpConstant %int 1",
|
|
"%uint = OpTypeInt 32 0",
|
|
"%_ptr_Output_uint = OpTypePointer Output %uint",
|
|
"%uint_2 = OpConstant %uint 2",
|
|
"%float = OpTypeFloat 32",
|
|
"%_ptr_Output_float = OpTypePointer Output %float",
|
|
"%float_3_1415 = OpConstant %float 3.1415",
|
|
"%double = OpTypeFloat 64",
|
|
"%_ptr_Output_double = OpTypePointer Output %double",
|
|
"%double_3_14159265358979 = OpConstant %double 3.14159265358979",
|
|
"%btv = OpVariable %_ptr_Output_bool Output",
|
|
"%bfv = OpVariable %_ptr_Output_bool Output",
|
|
"%iv = OpVariable %_ptr_Output_int Output",
|
|
"%uv = OpVariable %_ptr_Output_uint Output",
|
|
"%fv = OpVariable %_ptr_Output_float Output",
|
|
"%dv = OpVariable %_ptr_Output_double Output",
|
|
"%main = OpFunction %void None %10",
|
|
"%27 = OpLabel",
|
|
"OpStore %btv %true",
|
|
"OpStore %bfv %false",
|
|
"OpStore %iv %int_1",
|
|
"OpStore %uv %uint_2",
|
|
"OpStore %fv %float_3_1415",
|
|
"OpStore %dv %double_3_14159265358979",
|
|
"OpReturn",
|
|
"OpFunctionEnd",
|
|
// clang-format on
|
|
};
|
|
// All constants are used, so none of them should be eliminated.
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(
|
|
JoinAllInsts(text), JoinAllInsts(text), /* skip_nop = */ true);
|
|
}
|
|
|
|
struct AggressiveEliminateDeadConstantTestCase {
|
|
// Type declarations and constants that should be kept.
|
|
std::vector<std::string> used_consts;
|
|
// Instructions that refer to constants, this is added to create uses for
|
|
// some constants so they won't be treated as dead constants.
|
|
std::vector<std::string> main_insts;
|
|
// Dead constants that should be removed.
|
|
std::vector<std::string> dead_consts;
|
|
// Expectations
|
|
std::vector<std::string> checks;
|
|
};
|
|
|
|
// All types that are potentially required in
|
|
// AggressiveEliminateDeadConstantTest.
|
|
const std::vector<std::string> CommonTypes = {
|
|
// clang-format off
|
|
// scalar types
|
|
"%bool = OpTypeBool",
|
|
"%uint = OpTypeInt 32 0",
|
|
"%int = OpTypeInt 32 1",
|
|
"%float = OpTypeFloat 32",
|
|
"%double = OpTypeFloat 64",
|
|
// vector types
|
|
"%v2bool = OpTypeVector %bool 2",
|
|
"%v2uint = OpTypeVector %uint 2",
|
|
"%v2int = OpTypeVector %int 2",
|
|
"%v3int = OpTypeVector %int 3",
|
|
"%v4int = OpTypeVector %int 4",
|
|
"%v2float = OpTypeVector %float 2",
|
|
"%v3float = OpTypeVector %float 3",
|
|
"%v2double = OpTypeVector %double 2",
|
|
// variable pointer types
|
|
"%_pf_bool = OpTypePointer Output %bool",
|
|
"%_pf_uint = OpTypePointer Output %uint",
|
|
"%_pf_int = OpTypePointer Output %int",
|
|
"%_pf_float = OpTypePointer Output %float",
|
|
"%_pf_double = OpTypePointer Output %double",
|
|
"%_pf_v2int = OpTypePointer Output %v2int",
|
|
"%_pf_v3int = OpTypePointer Output %v3int",
|
|
"%_pf_v2float = OpTypePointer Output %v2float",
|
|
"%_pf_v3float = OpTypePointer Output %v3float",
|
|
"%_pf_v2double = OpTypePointer Output %v2double",
|
|
// struct types
|
|
"%inner_struct = OpTypeStruct %bool %int %float %double",
|
|
"%outer_struct = OpTypeStruct %inner_struct %int %double",
|
|
"%flat_struct = OpTypeStruct %bool %int %float %double",
|
|
// clang-format on
|
|
};
|
|
|
|
using AggressiveEliminateDeadConstantTest =
|
|
PassTest<::testing::TestWithParam<AggressiveEliminateDeadConstantTestCase>>;
|
|
|
|
TEST_P(AggressiveEliminateDeadConstantTest, Custom) {
|
|
auto& tc = GetParam();
|
|
AssemblyBuilder builder;
|
|
builder.AppendTypesConstantsGlobals(CommonTypes)
|
|
.AppendTypesConstantsGlobals(tc.used_consts)
|
|
.AppendInMain(tc.main_insts);
|
|
const std::string expected = builder.GetCode();
|
|
builder.AppendTypesConstantsGlobals(tc.dead_consts);
|
|
builder.PrependPreamble(tc.checks);
|
|
const std::string assembly_with_dead_const = builder.GetCode();
|
|
|
|
// Do not enable validation. As the input code is invalid from the base
|
|
// tests (ported from other passes).
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(assembly_with_dead_const, false);
|
|
}
|
|
|
|
INSTANTIATE_TEST_SUITE_P(
|
|
ScalarTypeConstants, AggressiveEliminateDeadConstantTest,
|
|
::testing::ValuesIn(std::vector<AggressiveEliminateDeadConstantTestCase>({
|
|
// clang-format off
|
|
// Scalar type constants, one dead constant and one used constant.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_const_int = OpConstant %int 1",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%int_var = OpVariable %_pf_int Output",
|
|
"OpStore %int_var %used_const_int",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_const_int = OpConstant %int 1",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[const:%\\w+]] = OpConstant %int 1",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[const]]",
|
|
},
|
|
},
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_const_uint = OpConstant %uint 1",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%uint_var = OpVariable %_pf_uint Output",
|
|
"OpStore %uint_var %used_const_uint",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_const_uint = OpConstant %uint 1",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[const:%\\w+]] = OpConstant %uint 1",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[const]]",
|
|
},
|
|
},
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_const_float = OpConstant %float 3.1415",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%float_var = OpVariable %_pf_float Output",
|
|
"OpStore %float_var %used_const_float",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_const_float = OpConstant %float 3.1415",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[const:%\\w+]] = OpConstant %float 3.1415",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[const]]",
|
|
},
|
|
},
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_const_double = OpConstant %double 3.14",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%double_var = OpVariable %_pf_double Output",
|
|
"OpStore %double_var %used_const_double",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_const_double = OpConstant %double 3.14",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[const:%\\w+]] = OpConstant %double 3.14",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[const]]",
|
|
},
|
|
},
|
|
// clang-format on
|
|
})));
|
|
|
|
INSTANTIATE_TEST_SUITE_P(
|
|
VectorTypeConstants, AggressiveEliminateDeadConstantTest,
|
|
::testing::ValuesIn(std::vector<AggressiveEliminateDeadConstantTestCase>({
|
|
// clang-format off
|
|
// Tests eliminating dead constant type ivec2. One dead constant vector
|
|
// and one used constant vector, each built from its own group of
|
|
// scalar constants.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_int_x = OpConstant %int 1",
|
|
"%used_int_y = OpConstant %int 2",
|
|
"%used_v2int = OpConstantComposite %v2int %used_int_x %used_int_y",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%v2int_var = OpVariable %_pf_v2int Output",
|
|
"OpStore %v2int_var %used_v2int",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_int_x = OpConstant %int 1",
|
|
"%dead_int_y = OpConstant %int 2",
|
|
"%dead_v2int = OpConstantComposite %v2int %dead_int_x %dead_int_y",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[constx:%\\w+]] = OpConstant %int 1",
|
|
"; CHECK: [[consty:%\\w+]] = OpConstant %int 2",
|
|
"; CHECK: [[const:%\\w+]] = OpConstantComposite %v2int [[constx]] [[consty]]",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[const]]",
|
|
},
|
|
},
|
|
// Tests eliminating dead constant ivec3. One dead constant vector and
|
|
// one used constant vector. But both built from a same group of
|
|
// scalar constants.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_int_x = OpConstant %int 1",
|
|
"%used_int_y = OpConstant %int 2",
|
|
"%used_int_z = OpConstant %int 3",
|
|
"%used_v3int = OpConstantComposite %v3int %used_int_x %used_int_y %used_int_z",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%v3int_var = OpVariable %_pf_v3int Output",
|
|
"OpStore %v3int_var %used_v3int",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_v3int = OpConstantComposite %v3int %used_int_x %used_int_y %used_int_z",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[constx:%\\w+]] = OpConstant %int 1",
|
|
"; CHECK: [[consty:%\\w+]] = OpConstant %int 2",
|
|
"; CHECK: [[constz:%\\w+]] = OpConstant %int 3",
|
|
"; CHECK: [[const:%\\w+]] = OpConstantComposite %v3int [[constx]] [[consty]] [[constz]]",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[const]]",
|
|
},
|
|
},
|
|
// Tests eliminating dead constant vec2. One dead constant vector and
|
|
// one used constant vector. Each built from its own group of scalar
|
|
// constants.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_float_x = OpConstant %float 3.1415",
|
|
"%used_float_y = OpConstant %float 4.13",
|
|
"%used_v2float = OpConstantComposite %v2float %used_float_x %used_float_y",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%v2float_var = OpVariable %_pf_v2float Output",
|
|
"OpStore %v2float_var %used_v2float",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_float_x = OpConstant %float 3.1415",
|
|
"%dead_float_y = OpConstant %float 4.13",
|
|
"%dead_v2float = OpConstantComposite %v2float %dead_float_x %dead_float_y",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[constx:%\\w+]] = OpConstant %float 3.1415",
|
|
"; CHECK: [[consty:%\\w+]] = OpConstant %float 4.13",
|
|
"; CHECK: [[const:%\\w+]] = OpConstantComposite %v2float [[constx]] [[consty]]",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[const]]",
|
|
},
|
|
},
|
|
// Tests eliminating dead constant vec3. One dead constant vector and
|
|
// one used constant vector. Both built from a same group of scalar
|
|
// constants.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_float_x = OpConstant %float 3.1415",
|
|
"%used_float_y = OpConstant %float 4.25",
|
|
"%used_float_z = OpConstant %float 4.75",
|
|
"%used_v3float = OpConstantComposite %v3float %used_float_x %used_float_y %used_float_z",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%v3float_var = OpVariable %_pf_v3float Output",
|
|
"OpStore %v3float_var %used_v3float",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_v3float = OpConstantComposite %v3float %used_float_x %used_float_y %used_float_z",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[constx:%\\w+]] = OpConstant %float 3.1415",
|
|
"; CHECK: [[consty:%\\w+]] = OpConstant %float 4.25",
|
|
"; CHECK: [[constz:%\\w+]] = OpConstant %float 4.75",
|
|
"; CHECK: [[const:%\\w+]] = OpConstantComposite %v3float [[constx]] [[consty]]",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[const]]",
|
|
},
|
|
},
|
|
// clang-format on
|
|
})));
|
|
|
|
INSTANTIATE_TEST_SUITE_P(
|
|
StructTypeConstants, AggressiveEliminateDeadConstantTest,
|
|
::testing::ValuesIn(std::vector<AggressiveEliminateDeadConstantTestCase>({
|
|
// clang-format off
|
|
// A plain struct type dead constants. All of its components are dead
|
|
// constants too.
|
|
{
|
|
/* .used_consts = */ {},
|
|
/* .main_insts = */ {},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_bool = OpConstantTrue %bool",
|
|
"%dead_int = OpConstant %int 1",
|
|
"%dead_float = OpConstant %float 2.5",
|
|
"%dead_double = OpConstant %double 3.14159265358979",
|
|
"%dead_struct = OpConstantComposite %flat_struct %dead_bool %dead_int %dead_float %dead_double",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK-NOT: OpConstant",
|
|
},
|
|
},
|
|
// A plain struct type dead constants. Some of its components are dead
|
|
// constants while others are not.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_int = OpConstant %int 1",
|
|
"%used_double = OpConstant %double 3.14159265358979",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%int_var = OpVariable %_pf_int Output",
|
|
"OpStore %int_var %used_int",
|
|
"%double_var = OpVariable %_pf_double Output",
|
|
"OpStore %double_var %used_double",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_bool = OpConstantTrue %bool",
|
|
"%dead_float = OpConstant %float 2.5",
|
|
"%dead_struct = OpConstantComposite %flat_struct %dead_bool %used_int %dead_float %used_double",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[int:%\\w+]] = OpConstant %int 1",
|
|
"; CHECK: [[double:%\\w+]] = OpConstant %double 3.14159265358979",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[int]]",
|
|
"; CHECK: OpStore {{%\\w+}} [[double]]",
|
|
},
|
|
},
|
|
// A nesting struct type dead constants. All components of both outer
|
|
// and inner structs are dead and should be removed after dead constant
|
|
// elimination.
|
|
{
|
|
/* .used_consts = */ {},
|
|
/* .main_insts = */ {},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_bool = OpConstantTrue %bool",
|
|
"%dead_int = OpConstant %int 1",
|
|
"%dead_float = OpConstant %float 2.5",
|
|
"%dead_double = OpConstant %double 3.1415926535",
|
|
"%dead_inner_struct = OpConstantComposite %inner_struct %dead_bool %dead_int %dead_float %dead_double",
|
|
"%dead_int2 = OpConstant %int 2",
|
|
"%dead_double2 = OpConstant %double 1.428571428514",
|
|
"%dead_outer_struct = OpConstantComposite %outer_struct %dead_inner_struct %dead_int2 %dead_double2",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK-NOT: OpConstant",
|
|
},
|
|
},
|
|
// A nesting struct type dead constants. Some of its components are
|
|
// dead constants while others are not.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_int = OpConstant %int 1",
|
|
"%used_double = OpConstant %double 3.14159265358979",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%int_var = OpVariable %_pf_int Output",
|
|
"OpStore %int_var %used_int",
|
|
"%double_var = OpVariable %_pf_double Output",
|
|
"OpStore %double_var %used_double",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_bool = OpConstantTrue %bool",
|
|
"%dead_float = OpConstant %float 2.5",
|
|
"%dead_inner_struct = OpConstantComposite %inner_struct %dead_bool %used_int %dead_float %used_double",
|
|
"%dead_int = OpConstant %int 2",
|
|
"%dead_outer_struct = OpConstantComposite %outer_struct %dead_inner_struct %dead_int %used_double",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[int:%\\w+]] = OpConstant %int 1",
|
|
"; CHECK: [[double:%\\w+]] = OpConstant %double 3.14159265358979",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[int]]",
|
|
"; CHECK: OpStore {{%\\w+}} [[double]]",
|
|
},
|
|
},
|
|
// A nesting struct case. The inner struct is used while the outer struct is not
|
|
{
|
|
/* .used_const = */
|
|
{
|
|
"%used_bool = OpConstantTrue %bool",
|
|
"%used_int = OpConstant %int 1",
|
|
"%used_float = OpConstant %float 1.23",
|
|
"%used_double = OpConstant %double 1.2345678901234",
|
|
"%used_inner_struct = OpConstantComposite %inner_struct %used_bool %used_int %used_float %used_double",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%bool_var = OpVariable %_pf_bool Output",
|
|
"%bool_from_inner_struct = OpCompositeExtract %bool %used_inner_struct 0",
|
|
"OpStore %bool_var %bool_from_inner_struct",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_int = OpConstant %int 2",
|
|
"%dead_outer_struct = OpConstantComposite %outer_struct %used_inner_struct %dead_int %used_double"
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[bool:%\\w+]] = OpConstantTrue",
|
|
"; CHECK: [[int:%\\w+]] = OpConstant %int 1",
|
|
"; CHECK: [[float:%\\w+]] = OpConstant %float 1.23",
|
|
"; CHECK: [[double:%\\w+]] = OpConstant %double 1.2345678901234",
|
|
"; CHECK: [[struct:%\\w+]] = OpConstantComposite %inner_struct [[bool]] [[int]] [[float]] [[double]]",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpCompositeExtract %bool [[struct]]",
|
|
}
|
|
},
|
|
// A nesting struct case. The outer struct is used, so the inner struct should not
|
|
// be removed even though it is not used anywhere.
|
|
{
|
|
/* .used_const = */
|
|
{
|
|
"%used_bool = OpConstantTrue %bool",
|
|
"%used_int = OpConstant %int 1",
|
|
"%used_float = OpConstant %float 1.23",
|
|
"%used_double = OpConstant %double 1.2345678901234",
|
|
"%used_inner_struct = OpConstantComposite %inner_struct %used_bool %used_int %used_float %used_double",
|
|
"%used_outer_struct = OpConstantComposite %outer_struct %used_inner_struct %used_int %used_double"
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%int_var = OpVariable %_pf_int Output",
|
|
"%int_from_outer_struct = OpCompositeExtract %int %used_outer_struct 1",
|
|
"OpStore %int_var %int_from_outer_struct",
|
|
},
|
|
/* .dead_consts = */ {},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[bool:%\\w+]] = OpConstantTrue %bool",
|
|
"; CHECK: [[int:%\\w+]] = OpConstant %int 1",
|
|
"; CHECK: [[float:%\\w+]] = OpConstant %float 1.23",
|
|
"; CHECK: [[double:%\\w+]] = OpConstant %double 1.2345678901234",
|
|
"; CHECK: [[inner_struct:%\\w+]] = OpConstantComposite %inner_struct %used_bool %used_int %used_float %used_double",
|
|
"; CHECK: [[outer_struct:%\\w+]] = OpConstantComposite %outer_struct %used_inner_struct %used_int %used_double",
|
|
"; CHECK: OpCompositeExtract %int [[outer_struct]]",
|
|
},
|
|
},
|
|
// clang-format on
|
|
})));
|
|
|
|
INSTANTIATE_TEST_SUITE_P(
|
|
ScalarTypeSpecConstants, AggressiveEliminateDeadConstantTest,
|
|
::testing::ValuesIn(std::vector<AggressiveEliminateDeadConstantTestCase>({
|
|
// clang-format off
|
|
// All scalar type spec constants.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_bool = OpSpecConstantTrue %bool",
|
|
"%used_uint = OpSpecConstant %uint 2",
|
|
"%used_int = OpSpecConstant %int 2",
|
|
"%used_float = OpSpecConstant %float 2.5",
|
|
"%used_double = OpSpecConstant %double 1.428571428514",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%bool_var = OpVariable %_pf_bool Output",
|
|
"%uint_var = OpVariable %_pf_uint Output",
|
|
"%int_var = OpVariable %_pf_int Output",
|
|
"%float_var = OpVariable %_pf_float Output",
|
|
"%double_var = OpVariable %_pf_double Output",
|
|
"OpStore %bool_var %used_bool",
|
|
"OpStore %uint_var %used_uint",
|
|
"OpStore %int_var %used_int",
|
|
"OpStore %float_var %used_float",
|
|
"OpStore %double_var %used_double",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_bool = OpSpecConstantTrue %bool",
|
|
"%dead_uint = OpSpecConstant %uint 2",
|
|
"%dead_int = OpSpecConstant %int 2",
|
|
"%dead_float = OpSpecConstant %float 2.5",
|
|
"%dead_double = OpSpecConstant %double 1.428571428514",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[bool:%\\w+]] = OpSpecConstantTrue %bool",
|
|
"; CHECK: [[uint:%\\w+]] = OpSpecConstant %uint 2",
|
|
"; CHECK: [[int:%\\w+]] = OpSpecConstant %int 2",
|
|
"; CHECK: [[float:%\\w+]] = OpSpecConstant %float 2.5",
|
|
"; CHECK: [[double:%\\w+]] = OpSpecConstant %double 1.428571428514",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[bool]]",
|
|
"; CHECK: OpStore {{%\\w+}} [[uint]]",
|
|
"; CHECK: OpStore {{%\\w+}} [[int]]",
|
|
"; CHECK: OpStore {{%\\w+}} [[float]]",
|
|
"; CHECK: OpStore {{%\\w+}} [[double]]",
|
|
},
|
|
},
|
|
// clang-format on
|
|
})));
|
|
|
|
INSTANTIATE_TEST_SUITE_P(
|
|
VectorTypeSpecConstants, AggressiveEliminateDeadConstantTest,
|
|
::testing::ValuesIn(std::vector<AggressiveEliminateDeadConstantTestCase>({
|
|
// clang-format off
|
|
// Bool vector type spec constants. One vector has all component dead,
|
|
// another vector has one dead boolean and one used boolean.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_bool = OpSpecConstantTrue %bool",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%bool_var = OpVariable %_pf_bool Output",
|
|
"OpStore %bool_var %used_bool",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_bool = OpSpecConstantFalse %bool",
|
|
"%dead_bool_vec1 = OpSpecConstantComposite %v2bool %dead_bool %dead_bool",
|
|
"%dead_bool_vec2 = OpSpecConstantComposite %v2bool %dead_bool %used_bool",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[bool:%\\w+]] = OpSpecConstantTrue %bool",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[bool]]",
|
|
},
|
|
},
|
|
|
|
// Uint vector type spec constants. One vector has all component dead,
|
|
// another vector has one dead unsigend integer and one used unsigned
|
|
// integer.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_uint = OpSpecConstant %uint 3",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%uint_var = OpVariable %_pf_uint Output",
|
|
"OpStore %uint_var %used_uint",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_uint = OpSpecConstant %uint 1",
|
|
"%dead_uint_vec1 = OpSpecConstantComposite %v2uint %dead_uint %dead_uint",
|
|
"%dead_uint_vec2 = OpSpecConstantComposite %v2uint %dead_uint %used_uint",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[uint:%\\w+]] = OpSpecConstant %uint 3",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[uint]]",
|
|
},
|
|
},
|
|
|
|
// Int vector type spec constants. One vector has all component dead,
|
|
// another vector has one dead integer and one used integer.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_int = OpSpecConstant %int 3",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%int_var = OpVariable %_pf_int Output",
|
|
"OpStore %int_var %used_int",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_int = OpSpecConstant %int 1",
|
|
"%dead_int_vec1 = OpSpecConstantComposite %v2int %dead_int %dead_int",
|
|
"%dead_int_vec2 = OpSpecConstantComposite %v2int %dead_int %used_int",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[int:%\\w+]] = OpSpecConstant %int 3",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[int]]",
|
|
},
|
|
},
|
|
|
|
// Int vector type spec constants built with both spec constants and
|
|
// front-end constants.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_spec_int = OpSpecConstant %int 3",
|
|
"%used_front_end_int = OpConstant %int 3",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%int_var1 = OpVariable %_pf_int Output",
|
|
"OpStore %int_var1 %used_spec_int",
|
|
"%int_var2 = OpVariable %_pf_int Output",
|
|
"OpStore %int_var2 %used_front_end_int",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_spec_int = OpSpecConstant %int 1",
|
|
"%dead_front_end_int = OpConstant %int 1",
|
|
// Dead front-end and dead spec constants
|
|
"%dead_int_vec1 = OpSpecConstantComposite %v2int %dead_spec_int %dead_front_end_int",
|
|
// Used front-end and dead spec constants
|
|
"%dead_int_vec2 = OpSpecConstantComposite %v2int %dead_spec_int %used_front_end_int",
|
|
// Dead front-end and used spec constants
|
|
"%dead_int_vec3 = OpSpecConstantComposite %v2int %dead_front_end_int %used_spec_int",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[int1:%\\w+]] = OpSpecConstant %int 3",
|
|
"; CHECK: [[int2:%\\w+]] = OpConstant %int 3",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[int1]]",
|
|
"; CHECK: OpStore {{%\\w+}} [[int2]]",
|
|
},
|
|
},
|
|
// clang-format on
|
|
})));
|
|
|
|
INSTANTIATE_TEST_SUITE_P(
|
|
SpecConstantOp, AggressiveEliminateDeadConstantTest,
|
|
::testing::ValuesIn(std::vector<AggressiveEliminateDeadConstantTestCase>({
|
|
// clang-format off
|
|
// Cast operations: uint <-> int <-> bool
|
|
{
|
|
/* .used_consts = */ {},
|
|
/* .main_insts = */ {},
|
|
/* .dead_consts = */
|
|
{
|
|
// Assistant constants, only used in dead spec constant
|
|
// operations.
|
|
"%signed_zero = OpConstant %int 0",
|
|
"%signed_zero_vec = OpConstantComposite %v2int %signed_zero %signed_zero",
|
|
"%unsigned_zero = OpConstant %uint 0",
|
|
"%unsigned_zero_vec = OpConstantComposite %v2uint %unsigned_zero %unsigned_zero",
|
|
"%signed_one = OpConstant %int 1",
|
|
"%signed_one_vec = OpConstantComposite %v2int %signed_one %signed_one",
|
|
"%unsigned_one = OpConstant %uint 1",
|
|
"%unsigned_one_vec = OpConstantComposite %v2uint %unsigned_one %unsigned_one",
|
|
|
|
// Spec constants that support casting to each other.
|
|
"%dead_bool = OpSpecConstantTrue %bool",
|
|
"%dead_uint = OpSpecConstant %uint 1",
|
|
"%dead_int = OpSpecConstant %int 2",
|
|
"%dead_bool_vec = OpSpecConstantComposite %v2bool %dead_bool %dead_bool",
|
|
"%dead_uint_vec = OpSpecConstantComposite %v2uint %dead_uint %dead_uint",
|
|
"%dead_int_vec = OpSpecConstantComposite %v2int %dead_int %dead_int",
|
|
|
|
// Scalar cast to boolean spec constant.
|
|
"%int_to_bool = OpSpecConstantOp %bool INotEqual %dead_int %signed_zero",
|
|
"%uint_to_bool = OpSpecConstantOp %bool INotEqual %dead_uint %unsigned_zero",
|
|
|
|
// Vector cast to boolean spec constant.
|
|
"%int_to_bool_vec = OpSpecConstantOp %v2bool INotEqual %dead_int_vec %signed_zero_vec",
|
|
"%uint_to_bool_vec = OpSpecConstantOp %v2bool INotEqual %dead_uint_vec %unsigned_zero_vec",
|
|
|
|
// Scalar cast to int spec constant.
|
|
"%bool_to_int = OpSpecConstantOp %int Select %dead_bool %signed_one %signed_zero",
|
|
"%uint_to_int = OpSpecConstantOp %uint IAdd %dead_uint %unsigned_zero",
|
|
|
|
// Vector cast to int spec constant.
|
|
"%bool_to_int_vec = OpSpecConstantOp %v2int Select %dead_bool_vec %signed_one_vec %signed_zero_vec",
|
|
"%uint_to_int_vec = OpSpecConstantOp %v2uint IAdd %dead_uint_vec %unsigned_zero_vec",
|
|
|
|
// Scalar cast to uint spec constant.
|
|
"%bool_to_uint = OpSpecConstantOp %uint Select %dead_bool %unsigned_one %unsigned_zero",
|
|
"%int_to_uint_vec = OpSpecConstantOp %uint IAdd %dead_int %signed_zero",
|
|
|
|
// Vector cast to uint spec constant.
|
|
"%bool_to_uint_vec = OpSpecConstantOp %v2uint Select %dead_bool_vec %unsigned_one_vec %unsigned_zero_vec",
|
|
"%int_to_uint = OpSpecConstantOp %v2uint IAdd %dead_int_vec %signed_zero_vec",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
},
|
|
},
|
|
|
|
// Add, sub, mul, div, rem.
|
|
{
|
|
/* .used_consts = */ {},
|
|
/* .main_insts = */ {},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_spec_int_a = OpSpecConstant %int 1",
|
|
"%dead_spec_int_a_vec = OpSpecConstantComposite %v2int %dead_spec_int_a %dead_spec_int_a",
|
|
|
|
"%dead_spec_int_b = OpSpecConstant %int 2",
|
|
"%dead_spec_int_b_vec = OpSpecConstantComposite %v2int %dead_spec_int_b %dead_spec_int_b",
|
|
|
|
"%dead_const_int_c = OpConstant %int 3",
|
|
"%dead_const_int_c_vec = OpConstantComposite %v2int %dead_const_int_c %dead_const_int_c",
|
|
|
|
// Add
|
|
"%add_a_b = OpSpecConstantOp %int IAdd %dead_spec_int_a %dead_spec_int_b",
|
|
"%add_a_b_vec = OpSpecConstantOp %v2int IAdd %dead_spec_int_a_vec %dead_spec_int_b_vec",
|
|
|
|
// Sub
|
|
"%sub_a_b = OpSpecConstantOp %int ISub %dead_spec_int_a %dead_spec_int_b",
|
|
"%sub_a_b_vec = OpSpecConstantOp %v2int ISub %dead_spec_int_a_vec %dead_spec_int_b_vec",
|
|
|
|
// Mul
|
|
"%mul_a_b = OpSpecConstantOp %int IMul %dead_spec_int_a %dead_spec_int_b",
|
|
"%mul_a_b_vec = OpSpecConstantOp %v2int IMul %dead_spec_int_a_vec %dead_spec_int_b_vec",
|
|
|
|
// Div
|
|
"%div_a_b = OpSpecConstantOp %int SDiv %dead_spec_int_a %dead_spec_int_b",
|
|
"%div_a_b_vec = OpSpecConstantOp %v2int SDiv %dead_spec_int_a_vec %dead_spec_int_b_vec",
|
|
|
|
// Bitwise Xor
|
|
"%xor_a_b = OpSpecConstantOp %int BitwiseXor %dead_spec_int_a %dead_spec_int_b",
|
|
"%xor_a_b_vec = OpSpecConstantOp %v2int BitwiseXor %dead_spec_int_a_vec %dead_spec_int_b_vec",
|
|
|
|
// Scalar Comparison
|
|
"%less_a_b = OpSpecConstantOp %bool SLessThan %dead_spec_int_a %dead_spec_int_b",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
},
|
|
},
|
|
|
|
// Vectors without used swizzles should be removed.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_int = OpConstant %int 3",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%int_var = OpVariable %_pf_int Output",
|
|
"OpStore %int_var %used_int",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_int = OpConstant %int 3",
|
|
|
|
"%dead_spec_int_a = OpSpecConstant %int 1",
|
|
"%vec_a = OpSpecConstantComposite %v4int %dead_spec_int_a %dead_spec_int_a %dead_int %dead_int",
|
|
|
|
"%dead_spec_int_b = OpSpecConstant %int 2",
|
|
"%vec_b = OpSpecConstantComposite %v4int %dead_spec_int_b %dead_spec_int_b %used_int %used_int",
|
|
|
|
// Extract scalar
|
|
"%a_x = OpSpecConstantOp %int CompositeExtract %vec_a 0",
|
|
"%b_x = OpSpecConstantOp %int CompositeExtract %vec_b 0",
|
|
|
|
// Extract vector
|
|
"%a_xy = OpSpecConstantOp %v2int VectorShuffle %vec_a %vec_a 0 1",
|
|
"%b_xy = OpSpecConstantOp %v2int VectorShuffle %vec_b %vec_b 0 1",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[int:%\\w+]] = OpConstant %int 3",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[int]]",
|
|
},
|
|
},
|
|
// Vectors with used swizzles should not be removed.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%used_int = OpConstant %int 3",
|
|
"%used_spec_int_a = OpSpecConstant %int 1",
|
|
"%used_spec_int_b = OpSpecConstant %int 2",
|
|
// Create vectors
|
|
"%vec_a = OpSpecConstantComposite %v4int %used_spec_int_a %used_spec_int_a %used_int %used_int",
|
|
"%vec_b = OpSpecConstantComposite %v4int %used_spec_int_b %used_spec_int_b %used_int %used_int",
|
|
// Extract vector
|
|
"%a_xy = OpSpecConstantOp %v2int VectorShuffle %vec_a %vec_a 0 1",
|
|
"%b_xy = OpSpecConstantOp %v2int VectorShuffle %vec_b %vec_b 0 1",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%v2int_var_a = OpVariable %_pf_v2int Output",
|
|
"%v2int_var_b = OpVariable %_pf_v2int Output",
|
|
"OpStore %v2int_var_a %a_xy",
|
|
"OpStore %v2int_var_b %b_xy",
|
|
},
|
|
/* .dead_consts = */ {},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: [[int:%\\w+]] = OpConstant %int 3",
|
|
"; CHECK: [[a:%\\w+]] = OpSpecConstant %int 1",
|
|
"; CHECK: [[b:%\\w+]] = OpSpecConstant %int 2",
|
|
"; CHECK: [[veca:%\\w+]] = OpSpecConstantComposite %v4int [[a]] [[a]] [[int]] [[int]]",
|
|
"; CHECK: [[vecb:%\\w+]] = OpSpecConstantComposite %v4int [[b]] [[b]] [[int]] [[int]]",
|
|
"; CHECK: [[exa:%\\w+]] = OpSpecConstantOp %v2int VectorShuffle [[veca]] [[veca]] 0 1",
|
|
"; CHECK: [[exb:%\\w+]] = OpSpecConstantOp %v2int VectorShuffle [[vecb]] [[vecb]] 0 1",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[exa]]",
|
|
"; CHECK: OpStore {{%\\w+}} [[exb]]",
|
|
},
|
|
},
|
|
// clang-format on
|
|
})));
|
|
|
|
INSTANTIATE_TEST_SUITE_P(
|
|
LongDefUseChain, AggressiveEliminateDeadConstantTest,
|
|
::testing::ValuesIn(std::vector<AggressiveEliminateDeadConstantTestCase>({
|
|
// clang-format off
|
|
// Long Def-Use chain with binary operations.
|
|
{
|
|
/* .used_consts = */
|
|
{
|
|
"%array_size = OpConstant %int 4",
|
|
"%type_arr_int_4 = OpTypeArray %int %array_size",
|
|
"%used_int_0 = OpConstant %int 100",
|
|
"%used_int_1 = OpConstant %int 1",
|
|
"%used_int_2 = OpSpecConstantOp %int IAdd %used_int_0 %used_int_1",
|
|
"%used_int_3 = OpSpecConstantOp %int ISub %used_int_0 %used_int_2",
|
|
"%used_int_4 = OpSpecConstantOp %int IAdd %used_int_0 %used_int_3",
|
|
"%used_int_5 = OpSpecConstantOp %int ISub %used_int_0 %used_int_4",
|
|
"%used_int_6 = OpSpecConstantOp %int IAdd %used_int_0 %used_int_5",
|
|
"%used_int_7 = OpSpecConstantOp %int ISub %used_int_0 %used_int_6",
|
|
"%used_int_8 = OpSpecConstantOp %int IAdd %used_int_0 %used_int_7",
|
|
"%used_int_9 = OpSpecConstantOp %int ISub %used_int_0 %used_int_8",
|
|
"%used_int_10 = OpSpecConstantOp %int IAdd %used_int_0 %used_int_9",
|
|
"%used_int_11 = OpSpecConstantOp %int ISub %used_int_0 %used_int_10",
|
|
"%used_int_12 = OpSpecConstantOp %int IAdd %used_int_0 %used_int_11",
|
|
"%used_int_13 = OpSpecConstantOp %int ISub %used_int_0 %used_int_12",
|
|
"%used_int_14 = OpSpecConstantOp %int IAdd %used_int_0 %used_int_13",
|
|
"%used_int_15 = OpSpecConstantOp %int ISub %used_int_0 %used_int_14",
|
|
"%used_int_16 = OpSpecConstantOp %int ISub %used_int_0 %used_int_15",
|
|
"%used_int_17 = OpSpecConstantOp %int IAdd %used_int_0 %used_int_16",
|
|
"%used_int_18 = OpSpecConstantOp %int ISub %used_int_0 %used_int_17",
|
|
"%used_int_19 = OpSpecConstantOp %int IAdd %used_int_0 %used_int_18",
|
|
"%used_int_20 = OpSpecConstantOp %int ISub %used_int_0 %used_int_19",
|
|
"%used_vec_a = OpSpecConstantComposite %v2int %used_int_18 %used_int_19",
|
|
"%used_vec_b = OpSpecConstantOp %v2int IMul %used_vec_a %used_vec_a",
|
|
"%used_int_21 = OpSpecConstantOp %int CompositeExtract %used_vec_b 0",
|
|
"%used_array = OpConstantComposite %type_arr_int_4 %used_int_20 %used_int_20 %used_int_21 %used_int_21",
|
|
},
|
|
/* .main_insts = */
|
|
{
|
|
"%int_var = OpVariable %_pf_int Output",
|
|
"%used_array_2 = OpCompositeExtract %int %used_array 2",
|
|
"OpStore %int_var %used_array_2",
|
|
},
|
|
/* .dead_consts = */
|
|
{
|
|
"%dead_int_1 = OpConstant %int 2",
|
|
"%dead_int_2 = OpSpecConstantOp %int IAdd %used_int_0 %dead_int_1",
|
|
"%dead_int_3 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_2",
|
|
"%dead_int_4 = OpSpecConstantOp %int IAdd %used_int_0 %dead_int_3",
|
|
"%dead_int_5 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_4",
|
|
"%dead_int_6 = OpSpecConstantOp %int IAdd %used_int_0 %dead_int_5",
|
|
"%dead_int_7 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_6",
|
|
"%dead_int_8 = OpSpecConstantOp %int IAdd %used_int_0 %dead_int_7",
|
|
"%dead_int_9 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_8",
|
|
"%dead_int_10 = OpSpecConstantOp %int IAdd %used_int_0 %dead_int_9",
|
|
"%dead_int_11 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_10",
|
|
"%dead_int_12 = OpSpecConstantOp %int IAdd %used_int_0 %dead_int_11",
|
|
"%dead_int_13 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_12",
|
|
"%dead_int_14 = OpSpecConstantOp %int IAdd %used_int_0 %dead_int_13",
|
|
"%dead_int_15 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_14",
|
|
"%dead_int_16 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_15",
|
|
"%dead_int_17 = OpSpecConstantOp %int IAdd %used_int_0 %dead_int_16",
|
|
"%dead_int_18 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_17",
|
|
"%dead_int_19 = OpSpecConstantOp %int IAdd %used_int_0 %dead_int_18",
|
|
"%dead_int_20 = OpSpecConstantOp %int ISub %used_int_0 %dead_int_19",
|
|
"%dead_vec_a = OpSpecConstantComposite %v2int %dead_int_18 %dead_int_19",
|
|
"%dead_vec_b = OpSpecConstantOp %v2int IMul %dead_vec_a %dead_vec_a",
|
|
"%dead_int_21 = OpSpecConstantOp %int CompositeExtract %dead_vec_b 0",
|
|
"%dead_array = OpConstantComposite %type_arr_int_4 %dead_int_20 %used_int_20 %dead_int_19 %used_int_19",
|
|
},
|
|
/* .checks = */
|
|
{
|
|
"; CHECK: OpConstant %int 4",
|
|
"; CHECK: [[array:%\\w+]] = OpConstantComposite %type_arr_int_4 %used_int_20 %used_int_20 %used_int_21 %used_int_21",
|
|
"; CHECK-NOT: OpConstant",
|
|
"; CHECK-NOT: OpSpecConstant",
|
|
"; CHECK: OpStore {{%\\w+}} [[array]]",
|
|
},
|
|
},
|
|
// Long Def-Use chain with swizzle
|
|
// clang-format on
|
|
})));
|
|
|
|
TEST_F(AggressiveDCETest, DeadDecorationGroup) {
|
|
// The decoration group should be eliminated because the target of group
|
|
// decorate is dead.
|
|
const std::string text = R"(
|
|
; CHECK-NOT: OpDecorat
|
|
; CHECK-NOT: OpGroupDecorate
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpDecorate %1 Restrict
|
|
OpDecorate %1 Aliased
|
|
%1 = OpDecorationGroup
|
|
OpGroupDecorate %1 %var
|
|
%void = OpTypeVoid
|
|
%func = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%uint_ptr = OpTypePointer Function %uint
|
|
%main = OpFunction %void None %func
|
|
%2 = OpLabel
|
|
%var = OpVariable %uint_ptr Function
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadDecorationGroupAndValidDecorationMgr) {
|
|
// The decoration group should be eliminated because the target of group
|
|
// decorate is dead.
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpDecorate %1 Restrict
|
|
OpDecorate %1 Aliased
|
|
%1 = OpDecorationGroup
|
|
OpGroupDecorate %1 %var
|
|
%void = OpTypeVoid
|
|
%func = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%uint_ptr = OpTypePointer Function %uint
|
|
%main = OpFunction %void None %func
|
|
%2 = OpLabel
|
|
%var = OpVariable %uint_ptr Function
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
auto pass = MakeUnique<AggressiveDCEPass>();
|
|
auto consumer = [](spv_message_level_t, const char*, const spv_position_t&,
|
|
const char* message) {
|
|
std::cerr << message << std::endl;
|
|
};
|
|
auto context = BuildModule(SPV_ENV_UNIVERSAL_1_1, consumer, text);
|
|
|
|
// Build the decoration manager before the pass.
|
|
context->get_decoration_mgr();
|
|
|
|
const auto status = pass->Run(context.get());
|
|
EXPECT_EQ(status, Pass::Status::SuccessWithChange);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, ParitallyDeadDecorationGroup) {
|
|
const std::string text = R"(
|
|
; CHECK: OpDecorate [[grp:%\w+]] Restrict
|
|
; CHECK: [[grp]] = OpDecorationGroup
|
|
; CHECK: OpGroupDecorate [[grp]] [[output:%\w+]]
|
|
; CHECK: [[output]] = OpVariable {{%\w+}} Output
|
|
; CHECK-NOT: OpVariable {{%\w+}} Function
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %output
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpDecorate %1 Restrict
|
|
%1 = OpDecorationGroup
|
|
OpGroupDecorate %1 %var %output
|
|
%void = OpTypeVoid
|
|
%func = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%uint_ptr_Function = OpTypePointer Function %uint
|
|
%uint_ptr_Output = OpTypePointer Output %uint
|
|
%uint_0 = OpConstant %uint 0
|
|
%output = OpVariable %uint_ptr_Output Output
|
|
%main = OpFunction %void None %func
|
|
%2 = OpLabel
|
|
%var = OpVariable %uint_ptr_Function Function
|
|
OpStore %output %uint_0
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, ParitallyDeadDecorationGroupDifferentGroupDecorate) {
|
|
const std::string text = R"(
|
|
; CHECK: OpDecorate [[grp:%\w+]] Restrict
|
|
; CHECK: [[grp]] = OpDecorationGroup
|
|
; CHECK: OpGroupDecorate [[grp]] [[output:%\w+]]
|
|
; CHECK-NOT: OpGroupDecorate
|
|
; CHECK: [[output]] = OpVariable {{%\w+}} Output
|
|
; CHECK-NOT: OpVariable {{%\w+}} Function
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %output
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpDecorate %1 Restrict
|
|
%1 = OpDecorationGroup
|
|
OpGroupDecorate %1 %output
|
|
OpGroupDecorate %1 %var
|
|
%void = OpTypeVoid
|
|
%func = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%uint_ptr_Function = OpTypePointer Function %uint
|
|
%uint_ptr_Output = OpTypePointer Output %uint
|
|
%uint_0 = OpConstant %uint 0
|
|
%output = OpVariable %uint_ptr_Output Output
|
|
%main = OpFunction %void None %func
|
|
%2 = OpLabel
|
|
%var = OpVariable %uint_ptr_Function Function
|
|
OpStore %output %uint_0
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadGroupMemberDecorate) {
|
|
const std::string text = R"(
|
|
; CHECK-NOT: OpDec
|
|
; CHECK-NOT: OpGroup
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpDecorate %1 Offset 0
|
|
OpDecorate %1 Uniform
|
|
%1 = OpDecorationGroup
|
|
OpGroupMemberDecorate %1 %var 0
|
|
%void = OpTypeVoid
|
|
%func = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%struct = OpTypeStruct %uint %uint
|
|
%struct_ptr = OpTypePointer Function %struct
|
|
%main = OpFunction %void None %func
|
|
%2 = OpLabel
|
|
%var = OpVariable %struct_ptr Function
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, PartiallyDeadGroupMemberDecorate) {
|
|
const std::string text = R"(
|
|
; CHECK: OpDecorate [[grp:%\w+]] Offset 0
|
|
; CHECK: OpDecorate [[grp]] RelaxedPrecision
|
|
; CHECK: [[grp]] = OpDecorationGroup
|
|
; CHECK: OpGroupMemberDecorate [[grp]] [[output:%\w+]] 1
|
|
; CHECK: [[output]] = OpTypeStruct
|
|
; CHECK-NOT: OpTypeStruct
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %output
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpDecorate %1 Offset 0
|
|
OpDecorate %1 RelaxedPrecision
|
|
%1 = OpDecorationGroup
|
|
OpGroupMemberDecorate %1 %var_struct 0 %output_struct 1
|
|
%void = OpTypeVoid
|
|
%func = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%var_struct = OpTypeStruct %uint %uint
|
|
%output_struct = OpTypeStruct %uint %uint
|
|
%struct_ptr_Function = OpTypePointer Function %var_struct
|
|
%struct_ptr_Output = OpTypePointer Output %output_struct
|
|
%uint_ptr_Output = OpTypePointer Output %uint
|
|
%output = OpVariable %struct_ptr_Output Output
|
|
%uint_0 = OpConstant %uint 0
|
|
%main = OpFunction %void None %func
|
|
%2 = OpLabel
|
|
%var = OpVariable %struct_ptr_Function Function
|
|
%3 = OpAccessChain %uint_ptr_Output %output %uint_0
|
|
OpStore %3 %uint_0
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest,
|
|
PartiallyDeadGroupMemberDecorateDifferentGroupDecorate) {
|
|
const std::string text = R"(
|
|
; CHECK: OpDecorate [[grp:%\w+]] Offset 0
|
|
; CHECK: OpDecorate [[grp]] RelaxedPrecision
|
|
; CHECK: [[grp]] = OpDecorationGroup
|
|
; CHECK: OpGroupMemberDecorate [[grp]] [[output:%\w+]] 1
|
|
; CHECK-NOT: OpGroupMemberDecorate
|
|
; CHECK: [[output]] = OpTypeStruct
|
|
; CHECK-NOT: OpTypeStruct
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %output
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpDecorate %1 Offset 0
|
|
OpDecorate %1 RelaxedPrecision
|
|
%1 = OpDecorationGroup
|
|
OpGroupMemberDecorate %1 %var_struct 0
|
|
OpGroupMemberDecorate %1 %output_struct 1
|
|
%void = OpTypeVoid
|
|
%func = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%var_struct = OpTypeStruct %uint %uint
|
|
%output_struct = OpTypeStruct %uint %uint
|
|
%struct_ptr_Function = OpTypePointer Function %var_struct
|
|
%struct_ptr_Output = OpTypePointer Output %output_struct
|
|
%uint_ptr_Output = OpTypePointer Output %uint
|
|
%output = OpVariable %struct_ptr_Output Output
|
|
%uint_0 = OpConstant %uint 0
|
|
%main = OpFunction %void None %func
|
|
%2 = OpLabel
|
|
%var = OpVariable %struct_ptr_Function Function
|
|
%3 = OpAccessChain %uint_ptr_Output %output %uint_0
|
|
OpStore %3 %uint_0
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
// Test for #1404
|
|
TEST_F(AggressiveDCETest, DontRemoveWorkgroupSize) {
|
|
const std::string text = R"(
|
|
; CHECK: OpDecorate [[wgs:%\w+]] BuiltIn WorkgroupSize
|
|
; CHECK: [[wgs]] = OpSpecConstantComposite
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %func "func"
|
|
OpExecutionMode %func LocalSize 1 1 1
|
|
OpDecorate %1 BuiltIn WorkgroupSize
|
|
%void = OpTypeVoid
|
|
%int = OpTypeInt 32 0
|
|
%functy = OpTypeFunction %void
|
|
%v3int = OpTypeVector %int 3
|
|
%2 = OpSpecConstant %int 1
|
|
%1 = OpSpecConstantComposite %v3int %2 %2 %2
|
|
%func = OpFunction %void None %functy
|
|
%3 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
// Test for #1214
|
|
TEST_F(AggressiveDCETest, LoopHeaderIsAlsoAnotherLoopMerge) {
|
|
const std::string text = R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %1 "func" %2
|
|
OpExecutionMode %1 OriginUpperLeft
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%true = OpConstantTrue %bool
|
|
%uint = OpTypeInt 32 0
|
|
%_ptr_Output_uint = OpTypePointer Output %uint
|
|
%2 = OpVariable %_ptr_Output_uint Output
|
|
%uint_0 = OpConstant %uint 0
|
|
%9 = OpTypeFunction %void
|
|
%1 = OpFunction %void None %9
|
|
%10 = OpLabel
|
|
OpBranch %11
|
|
%11 = OpLabel
|
|
OpLoopMerge %12 %13 None
|
|
OpBranchConditional %true %14 %13
|
|
%14 = OpLabel
|
|
OpStore %2 %uint_0
|
|
OpLoopMerge %15 %16 None
|
|
OpBranchConditional %true %15 %16
|
|
%16 = OpLabel
|
|
OpBranch %14
|
|
%15 = OpLabel
|
|
OpBranchConditional %true %12 %13
|
|
%13 = OpLabel
|
|
OpBranch %11
|
|
%12 = OpLabel
|
|
%17 = OpPhi %uint %uint_0 %15 %uint_0 %18
|
|
OpStore %2 %17
|
|
OpLoopMerge %19 %18 None
|
|
OpBranchConditional %true %19 %18
|
|
%18 = OpLabel
|
|
OpBranch %12
|
|
%19 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(text, text, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, BreaksDontVisitPhis) {
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %func "func" %var
|
|
OpExecutionMode %func OriginUpperLeft
|
|
%void = OpTypeVoid
|
|
%bool = OpTypeBool
|
|
%true = OpConstantTrue %bool
|
|
%int = OpTypeInt 32 0
|
|
%int_ptr_Output = OpTypePointer Output %int
|
|
%var = OpVariable %int_ptr_Output Output
|
|
%int0 = OpConstant %int 0
|
|
%functy = OpTypeFunction %void
|
|
%func = OpFunction %void None %functy
|
|
%entry = OpLabel
|
|
OpBranch %outer_header
|
|
%outer_header = OpLabel
|
|
OpLoopMerge %outer_merge %outer_continue None
|
|
OpBranchConditional %true %inner_header %outer_continue
|
|
%inner_header = OpLabel
|
|
%phi = OpPhi %int %int0 %outer_header %int0 %inner_continue
|
|
OpStore %var %phi
|
|
OpLoopMerge %inner_merge %inner_continue None
|
|
OpBranchConditional %true %inner_merge %inner_continue
|
|
%inner_continue = OpLabel
|
|
OpBranch %inner_header
|
|
%inner_merge = OpLabel
|
|
OpBranch %outer_continue
|
|
%outer_continue = OpLabel
|
|
%p = OpPhi %int %int0 %outer_header %int0 %inner_merge
|
|
OpStore %var %p
|
|
OpBranch %outer_header
|
|
%outer_merge = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
EXPECT_EQ(Pass::Status::SuccessWithoutChange,
|
|
std::get<1>(SinglePassRunAndDisassemble<AggressiveDCEPass>(
|
|
text, false, true)));
|
|
}
|
|
|
|
// Test for #1212
|
|
TEST_F(AggressiveDCETest, ConstStoreInnerLoop) {
|
|
const std::string text = R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %1 "main" %2
|
|
%void = OpTypeVoid
|
|
%4 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%bool = OpTypeBool
|
|
%true = OpConstantTrue %bool
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%2 = OpVariable %_ptr_Output_float Output
|
|
%float_3 = OpConstant %float 3
|
|
%1 = OpFunction %void None %4
|
|
%13 = OpLabel
|
|
OpBranch %14
|
|
%14 = OpLabel
|
|
OpLoopMerge %15 %16 None
|
|
OpBranchConditional %true %17 %15
|
|
%17 = OpLabel
|
|
OpStore %2 %float_3
|
|
OpLoopMerge %18 %17 None
|
|
OpBranchConditional %true %18 %17
|
|
%18 = OpLabel
|
|
OpBranch %15
|
|
%16 = OpLabel
|
|
OpBranch %14
|
|
%15 = OpLabel
|
|
OpBranch %20
|
|
%20 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(text, text, true, true);
|
|
}
|
|
|
|
// Test for #1212
|
|
TEST_F(AggressiveDCETest, InnerLoopCopy) {
|
|
const std::string text = R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %1 "main" %2 %3
|
|
%void = OpTypeVoid
|
|
%5 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%bool = OpTypeBool
|
|
%true = OpConstantTrue %bool
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%2 = OpVariable %_ptr_Output_float Output
|
|
%3 = OpVariable %_ptr_Input_float Input
|
|
%1 = OpFunction %void None %5
|
|
%14 = OpLabel
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
OpLoopMerge %16 %17 None
|
|
OpBranchConditional %true %18 %16
|
|
%18 = OpLabel
|
|
%19 = OpLoad %float %3
|
|
OpStore %2 %19
|
|
OpLoopMerge %20 %18 None
|
|
OpBranchConditional %true %20 %18
|
|
%20 = OpLabel
|
|
OpBranch %16
|
|
%17 = OpLabel
|
|
OpBranch %15
|
|
%16 = OpLabel
|
|
OpBranch %22
|
|
%22 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(text, text, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, AtomicAdd) {
|
|
const std::string text = R"(OpCapability SampledBuffer
|
|
OpCapability StorageImageExtendedFormats
|
|
OpCapability ImageBuffer
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %2 "min"
|
|
OpExecutionMode %2 LocalSize 64 1 1
|
|
OpSource HLSL 600
|
|
OpDecorate %4 DescriptorSet 4
|
|
OpDecorate %4 Binding 70
|
|
%uint = OpTypeInt 32 0
|
|
%6 = OpTypeImage %uint Buffer 0 0 0 2 R32ui
|
|
%_ptr_UniformConstant_6 = OpTypePointer UniformConstant %6
|
|
%_ptr_Private_6 = OpTypePointer Private %6
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%_ptr_Image_uint = OpTypePointer Image %uint
|
|
%4 = OpVariable %_ptr_UniformConstant_6 UniformConstant
|
|
%16 = OpVariable %_ptr_Private_6 Private
|
|
%2 = OpFunction %void None %10
|
|
%17 = OpLabel
|
|
%18 = OpLoad %6 %4
|
|
OpStore %16 %18
|
|
%19 = OpImageTexelPointer %_ptr_Image_uint %16 %uint_0 %uint_0
|
|
%20 = OpAtomicIAdd %uint %19 %uint_1 %uint_0 %uint_1
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(text, text, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, SafelyRemoveDecorateString) {
|
|
const std::string preamble = R"(OpCapability Shader
|
|
OpExtension "SPV_GOOGLE_hlsl_functionality1"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %1 "main"
|
|
OpExecutionMode %1 OriginUpperLeft
|
|
)";
|
|
|
|
const std::string body_before =
|
|
R"(OpDecorateStringGOOGLE %2 HlslSemanticGOOGLE "FOOBAR"
|
|
%void = OpTypeVoid
|
|
%4 = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%_ptr_StorageBuffer_uint = OpTypePointer StorageBuffer %uint
|
|
%2 = OpVariable %_ptr_StorageBuffer_uint StorageBuffer
|
|
%1 = OpFunction %void None %4
|
|
%7 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string body_after = R"(%void = OpTypeVoid
|
|
%4 = OpTypeFunction %void
|
|
%1 = OpFunction %void None %4
|
|
%7 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(preamble + body_before,
|
|
preamble + body_after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, CopyMemoryToGlobal) {
|
|
// |local| is loaded in an OpCopyMemory instruction. So the store must be
|
|
// kept alive.
|
|
const std::string test =
|
|
R"(OpCapability Geometry
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Geometry %main "main" %global
|
|
OpExecutionMode %main Triangles
|
|
OpExecutionMode %main Invocations 1
|
|
OpExecutionMode %main OutputTriangleStrip
|
|
OpExecutionMode %main OutputVertices 5
|
|
OpSource GLSL 440
|
|
OpName %main "main"
|
|
OpName %local "local"
|
|
OpName %global "global"
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%12 = OpConstantNull %v4float
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%global = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %7
|
|
%19 = OpLabel
|
|
%local = OpVariable %_ptr_Function_v4float Function
|
|
OpStore %local %12
|
|
OpCopyMemory %global %local
|
|
OpEndPrimitive
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(test, test, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, CopyMemoryToLocal) {
|
|
// Make sure the store to |local2| using OpCopyMemory is kept and keeps
|
|
// |local1| alive.
|
|
const std::string test =
|
|
R"(OpCapability Geometry
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Geometry %main "main" %global
|
|
OpExecutionMode %main Triangles
|
|
OpExecutionMode %main Invocations 1
|
|
OpExecutionMode %main OutputTriangleStrip
|
|
OpExecutionMode %main OutputVertices 5
|
|
OpSource GLSL 440
|
|
OpName %main "main"
|
|
OpName %local1 "local1"
|
|
OpName %local2 "local2"
|
|
OpName %global "global"
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%12 = OpConstantNull %v4float
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%global = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %7
|
|
%19 = OpLabel
|
|
%local1 = OpVariable %_ptr_Function_v4float Function
|
|
%local2 = OpVariable %_ptr_Function_v4float Function
|
|
OpStore %local1 %12
|
|
OpCopyMemory %local2 %local1
|
|
OpCopyMemory %global %local2
|
|
OpEndPrimitive
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(test, test, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, RemoveCopyMemoryToLocal) {
|
|
// Test that we remove function scope variables that are stored to using
|
|
// OpCopyMemory, but are never loaded. We can remove both |local1| and
|
|
// |local2|.
|
|
const std::string test =
|
|
R"(OpCapability Geometry
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Geometry %main "main" %global
|
|
OpExecutionMode %main Triangles
|
|
OpExecutionMode %main Invocations 1
|
|
OpExecutionMode %main OutputTriangleStrip
|
|
OpExecutionMode %main OutputVertices 5
|
|
OpSource GLSL 440
|
|
OpName %main "main"
|
|
OpName %local1 "local1"
|
|
OpName %local2 "local2"
|
|
OpName %global "global"
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%12 = OpConstantNull %v4float
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%global = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %7
|
|
%19 = OpLabel
|
|
%local1 = OpVariable %_ptr_Function_v4float Function
|
|
%local2 = OpVariable %_ptr_Function_v4float Function
|
|
OpStore %local1 %12
|
|
OpCopyMemory %local2 %local1
|
|
OpEndPrimitive
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string result =
|
|
R"(OpCapability Geometry
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Geometry %main "main" %global
|
|
OpExecutionMode %main Triangles
|
|
OpExecutionMode %main Invocations 1
|
|
OpExecutionMode %main OutputTriangleStrip
|
|
OpExecutionMode %main OutputVertices 5
|
|
OpSource GLSL 440
|
|
OpName %main "main"
|
|
OpName %global "global"
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%global = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %7
|
|
%19 = OpLabel
|
|
OpEndPrimitive
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(test, result, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, RemoveCopyMemoryToLocal2) {
|
|
// We are able to remove "local2" because it is not loaded, but have to keep
|
|
// the stores to "local1".
|
|
const std::string test =
|
|
R"(OpCapability Geometry
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Geometry %main "main" %global
|
|
OpExecutionMode %main Triangles
|
|
OpExecutionMode %main Invocations 1
|
|
OpExecutionMode %main OutputTriangleStrip
|
|
OpExecutionMode %main OutputVertices 5
|
|
OpSource GLSL 440
|
|
OpName %main "main"
|
|
OpName %local1 "local1"
|
|
OpName %local2 "local2"
|
|
OpName %global "global"
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%12 = OpConstantNull %v4float
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%global = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %7
|
|
%19 = OpLabel
|
|
%local1 = OpVariable %_ptr_Function_v4float Function
|
|
%local2 = OpVariable %_ptr_Function_v4float Function
|
|
OpStore %local1 %12
|
|
OpCopyMemory %local2 %local1
|
|
OpCopyMemory %global %local1
|
|
OpEndPrimitive
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string result =
|
|
R"(OpCapability Geometry
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Geometry %main "main" %global
|
|
OpExecutionMode %main Triangles
|
|
OpExecutionMode %main Invocations 1
|
|
OpExecutionMode %main OutputTriangleStrip
|
|
OpExecutionMode %main OutputVertices 5
|
|
OpSource GLSL 440
|
|
OpName %main "main"
|
|
OpName %local1 "local1"
|
|
OpName %global "global"
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%12 = OpConstantNull %v4float
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%global = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %7
|
|
%19 = OpLabel
|
|
%local1 = OpVariable %_ptr_Function_v4float Function
|
|
OpStore %local1 %12
|
|
OpCopyMemory %global %local1
|
|
OpEndPrimitive
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(test, result, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, StructuredIfWithConditionalExit) {
|
|
// We are able to remove "local2" because it is not loaded, but have to keep
|
|
// the stores to "local1".
|
|
const std::string test =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
|
|
OpSourceExtension "GL_GOOGLE_include_directive"
|
|
OpName %main "main"
|
|
OpName %a "a"
|
|
%void = OpTypeVoid
|
|
%5 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Uniform_int = OpTypePointer Uniform %int
|
|
%int_0 = OpConstant %int 0
|
|
%bool = OpTypeBool
|
|
%int_100 = OpConstant %int 100
|
|
%int_1 = OpConstant %int 1
|
|
%a = OpVariable %_ptr_Uniform_int Uniform
|
|
%main = OpFunction %void None %5
|
|
%12 = OpLabel
|
|
%13 = OpLoad %int %a
|
|
%14 = OpSGreaterThan %bool %13 %int_0
|
|
OpSelectionMerge %15 None
|
|
OpBranchConditional %14 %16 %15
|
|
%16 = OpLabel
|
|
%17 = OpLoad %int %a
|
|
%18 = OpSLessThan %bool %17 %int_100
|
|
OpBranchConditional %18 %19 %15
|
|
%19 = OpLabel
|
|
OpStore %a %int_1
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(test, test, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, CountingLoopNotEliminated) {
|
|
// #version 310 es
|
|
//
|
|
// precision highp float;
|
|
// precision highp int;
|
|
//
|
|
// layout(location = 0) out vec4 _GLF_color;
|
|
//
|
|
// void main()
|
|
// {
|
|
// float data[1];
|
|
// for (int c = 0; c < 1; c++) {
|
|
// if (true) {
|
|
// do {
|
|
// for (int i = 0; i < 1; i++) {
|
|
// data[i] = 1.0;
|
|
// }
|
|
// } while (false);
|
|
// }
|
|
// }
|
|
// _GLF_color = vec4(data[0], 0.0, 0.0, 1.0);
|
|
// }
|
|
const std::string test =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %_GLF_color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %main "main"
|
|
OpName %c "c"
|
|
OpName %i "i"
|
|
OpName %data "data"
|
|
OpName %_GLF_color "_GLF_color"
|
|
OpDecorate %_GLF_color Location 0
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_1 = OpConstant %int 1
|
|
%bool = OpTypeBool
|
|
%float = OpTypeFloat 32
|
|
%uint = OpTypeInt 32 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%_arr_float_uint_1 = OpTypeArray %float %uint_1
|
|
%_ptr_Function__arr_float_uint_1 = OpTypePointer Function %_arr_float_uint_1
|
|
%float_1 = OpConstant %float 1
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%false = OpConstantFalse %bool
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_GLF_color = OpVariable %_ptr_Output_v4float Output
|
|
%float_0 = OpConstant %float 0
|
|
%main = OpFunction %void None %8
|
|
%26 = OpLabel
|
|
%c = OpVariable %_ptr_Function_int Function
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
%data = OpVariable %_ptr_Function__arr_float_uint_1 Function
|
|
OpStore %c %int_0
|
|
OpBranch %27
|
|
%27 = OpLabel
|
|
OpLoopMerge %28 %29 None
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%31 = OpLoad %int %c
|
|
%32 = OpSLessThan %bool %31 %int_1
|
|
OpBranchConditional %32 %33 %28
|
|
%33 = OpLabel
|
|
OpBranch %34
|
|
%34 = OpLabel
|
|
OpBranch %35
|
|
%35 = OpLabel
|
|
OpLoopMerge %36 %37 None
|
|
OpBranch %38
|
|
%38 = OpLabel
|
|
OpStore %i %int_0
|
|
OpBranch %39
|
|
%39 = OpLabel
|
|
OpLoopMerge %40 %41 None
|
|
OpBranch %42
|
|
%42 = OpLabel
|
|
%43 = OpLoad %int %i
|
|
%44 = OpSLessThan %bool %43 %int_1
|
|
OpBranchConditional %44 %46 %40
|
|
%46 = OpLabel
|
|
%47 = OpLoad %int %i
|
|
%48 = OpAccessChain %_ptr_Function_float %data %47
|
|
OpStore %48 %float_1
|
|
OpBranch %41
|
|
%41 = OpLabel
|
|
%49 = OpLoad %int %i
|
|
%50 = OpIAdd %int %49 %int_1
|
|
OpStore %i %50
|
|
OpBranch %39
|
|
%40 = OpLabel
|
|
OpBranch %37
|
|
%37 = OpLabel
|
|
OpBranchConditional %false %35 %36
|
|
%36 = OpLabel
|
|
OpBranch %45
|
|
%45 = OpLabel
|
|
OpBranch %29
|
|
%29 = OpLabel
|
|
%51 = OpLoad %int %c
|
|
%52 = OpIAdd %int %51 %int_1
|
|
OpStore %c %52
|
|
OpBranch %27
|
|
%28 = OpLabel
|
|
%53 = OpAccessChain %_ptr_Function_float %data %int_0
|
|
%54 = OpLoad %float %53
|
|
%55 = OpCompositeConstruct %v4float %54 %float_0 %float_0 %float_1
|
|
OpStore %_GLF_color %55
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(test, test, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EliminateLoopWithUnreachable) {
|
|
// #version 430
|
|
//
|
|
// layout(std430) buffer U_t
|
|
// {
|
|
// float g_F[10];
|
|
// float g_S;
|
|
// };
|
|
//
|
|
// layout(location = 0)out float o;
|
|
//
|
|
// void main(void)
|
|
// {
|
|
// // Useless loop
|
|
// for (int i = 0; i<10; i++) {
|
|
// if (g_F[i] == 0.0)
|
|
// break;
|
|
// else
|
|
// break;
|
|
// // Unreachable merge block created here.
|
|
// // Need to edit SPIR-V to change to OpUnreachable
|
|
// }
|
|
// o = g_S;
|
|
// }
|
|
|
|
const std::string before =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %i "i"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpMemberName %U_t 1 "g_S"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpMemberDecorate %U_t 1 Offset 40
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%9 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%float = OpTypeFloat 32
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%U_t = OpTypeStruct %_arr_float_uint_10 %float
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%float_0 = OpConstant %float 0
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %9
|
|
%23 = OpLabel
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
OpStore %i %int_0
|
|
OpBranch %24
|
|
%24 = OpLabel
|
|
OpLoopMerge %25 %26 None
|
|
OpBranch %27
|
|
%27 = OpLabel
|
|
%28 = OpLoad %int %i
|
|
%29 = OpSLessThan %bool %28 %int_10
|
|
OpBranchConditional %29 %30 %25
|
|
%30 = OpLabel
|
|
%31 = OpLoad %int %i
|
|
%32 = OpAccessChain %_ptr_Uniform_float %_ %int_0 %31
|
|
%33 = OpLoad %float %32
|
|
%34 = OpFOrdEqual %bool %33 %float_0
|
|
OpSelectionMerge %35 None
|
|
OpBranchConditional %34 %36 %37
|
|
%36 = OpLabel
|
|
OpBranch %25
|
|
%37 = OpLabel
|
|
OpBranch %25
|
|
%35 = OpLabel
|
|
OpUnreachable
|
|
%26 = OpLabel
|
|
%38 = OpLoad %int %i
|
|
%39 = OpIAdd %int %38 %int_1
|
|
OpStore %i %39
|
|
OpBranch %24
|
|
%25 = OpLabel
|
|
%40 = OpAccessChain %_ptr_Uniform_float %_ %int_1
|
|
%41 = OpLoad %float %40
|
|
OpStore %o %41
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %o
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %U_t "U_t"
|
|
OpMemberName %U_t 0 "g_F"
|
|
OpMemberName %U_t 1 "g_S"
|
|
OpName %_ ""
|
|
OpName %o "o"
|
|
OpDecorate %_arr_float_uint_10 ArrayStride 4
|
|
OpMemberDecorate %U_t 0 Offset 0
|
|
OpMemberDecorate %U_t 1 Offset 40
|
|
OpDecorate %U_t BufferBlock
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %o Location 0
|
|
%void = OpTypeVoid
|
|
%9 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%float = OpTypeFloat 32
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_float_uint_10 = OpTypeArray %float %uint_10
|
|
%U_t = OpTypeStruct %_arr_float_uint_10 %float
|
|
%_ptr_Uniform_U_t = OpTypePointer Uniform %U_t
|
|
%_ = OpVariable %_ptr_Uniform_U_t Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%o = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %9
|
|
%23 = OpLabel
|
|
OpBranch %24
|
|
%24 = OpLabel
|
|
OpBranch %25
|
|
%25 = OpLabel
|
|
%40 = OpAccessChain %_ptr_Uniform_float %_ %int_1
|
|
%41 = OpLoad %float %40
|
|
OpStore %o %41
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(before, after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadHlslCounterBufferGOOGLE) {
|
|
// We are able to remove "local2" because it is not loaded, but have to keep
|
|
// the stores to "local1".
|
|
const std::string test =
|
|
R"(
|
|
; CHECK-NOT: OpDecorateId
|
|
; CHECK: [[var:%\w+]] = OpVariable
|
|
; CHECK-NOT: OpVariable
|
|
; CHECK: [[ac:%\w+]] = OpAccessChain {{%\w+}} [[var]]
|
|
; CHECK: OpStore [[ac]]
|
|
OpCapability Shader
|
|
OpExtension "SPV_GOOGLE_hlsl_functionality1"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %1 "main"
|
|
OpExecutionMode %1 LocalSize 32 1 1
|
|
OpSource HLSL 600
|
|
OpDecorate %_runtimearr_v2float ArrayStride 8
|
|
OpMemberDecorate %_struct_3 0 Offset 0
|
|
OpDecorate %_struct_3 BufferBlock
|
|
OpMemberDecorate %_struct_4 0 Offset 0
|
|
OpDecorate %_struct_4 BufferBlock
|
|
OpDecorateId %5 HlslCounterBufferGOOGLE %6
|
|
OpDecorate %5 DescriptorSet 0
|
|
OpDecorate %5 Binding 0
|
|
OpDecorate %6 DescriptorSet 0
|
|
OpDecorate %6 Binding 1
|
|
%float = OpTypeFloat 32
|
|
%v2float = OpTypeVector %float 2
|
|
%_runtimearr_v2float = OpTypeRuntimeArray %v2float
|
|
%_struct_3 = OpTypeStruct %_runtimearr_v2float
|
|
%_ptr_Uniform__struct_3 = OpTypePointer Uniform %_struct_3
|
|
%int = OpTypeInt 32 1
|
|
%_struct_4 = OpTypeStruct %int
|
|
%_ptr_Uniform__struct_4 = OpTypePointer Uniform %_struct_4
|
|
%void = OpTypeVoid
|
|
%13 = OpTypeFunction %void
|
|
%19 = OpConstantNull %v2float
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform_v2float = OpTypePointer Uniform %v2float
|
|
%5 = OpVariable %_ptr_Uniform__struct_3 Uniform
|
|
%6 = OpVariable %_ptr_Uniform__struct_4 Uniform
|
|
%1 = OpFunction %void None %13
|
|
%22 = OpLabel
|
|
%23 = OpAccessChain %_ptr_Uniform_v2float %5 %int_0 %int_0
|
|
OpStore %23 %19
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(test, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, Dead) {
|
|
// We are able to remove "local2" because it is not loaded, but have to keep
|
|
// the stores to "local1".
|
|
const std::string test =
|
|
R"(
|
|
; CHECK: OpCapability
|
|
; CHECK-NOT: OpMemberDecorateStringGOOGLE
|
|
; CHECK: OpFunctionEnd
|
|
OpCapability Shader
|
|
OpExtension "SPV_GOOGLE_hlsl_functionality1"
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %VSMain "VSMain"
|
|
OpSource HLSL 500
|
|
OpName %VSMain "VSMain"
|
|
OpName %PSInput "PSInput"
|
|
OpMemberName %PSInput 0 "Pos"
|
|
OpMemberName %PSInput 1 "uv"
|
|
OpMemberDecorateStringGOOGLE %PSInput 0 HlslSemanticGOOGLE "SV_POSITION"
|
|
OpMemberDecorateStringGOOGLE %PSInput 1 HlslSemanticGOOGLE "TEX_COORD"
|
|
%void = OpTypeVoid
|
|
%5 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v2float = OpTypeVector %float 2
|
|
%v4float = OpTypeVector %float 4
|
|
%PSInput = OpTypeStruct %v4float %v2float
|
|
%VSMain = OpFunction %void None %5
|
|
%9 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(test, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadInfiniteLoop) {
|
|
const std::string test = R"(
|
|
; CHECK: OpSwitch {{%\w+}} {{%\w+}} {{\w+}} {{%\w+}} {{\w+}} [[block:%\w+]]
|
|
; CHECK: [[block]] = OpLabel
|
|
; CHECK-NEXT: OpBranch [[block:%\w+]]
|
|
; CHECK: [[block]] = OpLabel
|
|
; CHECK-NEXT: OpBranch [[block:%\w+]]
|
|
; CHECK: [[block]] = OpLabel
|
|
; CHECK-NEXT: OpReturn
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %2 "main"
|
|
OpExecutionMode %2 OriginUpperLeft
|
|
%6 = OpTypeVoid
|
|
%7 = OpTypeFunction %6
|
|
%8 = OpTypeFloat 32
|
|
%9 = OpTypeVector %8 3
|
|
%10 = OpTypeFunction %9
|
|
%11 = OpConstant %8 1
|
|
%12 = OpConstantComposite %9 %11 %11 %11
|
|
%13 = OpTypeInt 32 1
|
|
%32 = OpUndef %13
|
|
%2 = OpFunction %6 None %7
|
|
%33 = OpLabel
|
|
OpBranch %34
|
|
%34 = OpLabel
|
|
OpLoopMerge %35 %36 None
|
|
OpBranch %37
|
|
%37 = OpLabel
|
|
%38 = OpFunctionCall %9 %39
|
|
OpSelectionMerge %40 None
|
|
OpSwitch %32 %40 14 %41 58 %42
|
|
%42 = OpLabel
|
|
OpBranch %43
|
|
%43 = OpLabel
|
|
OpLoopMerge %44 %45 None
|
|
OpBranch %45
|
|
%45 = OpLabel
|
|
OpBranch %43
|
|
%44 = OpLabel
|
|
OpUnreachable
|
|
%41 = OpLabel
|
|
OpBranch %36
|
|
%40 = OpLabel
|
|
OpBranch %36
|
|
%36 = OpLabel
|
|
OpBranch %34
|
|
%35 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%39 = OpFunction %9 None %10
|
|
%46 = OpLabel
|
|
OpReturnValue %12
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(test, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadInfiniteLoopReturnValue) {
|
|
const std::string test = R"(
|
|
; CHECK: [[vec3:%\w+]] = OpTypeVector
|
|
; CHECK: [[undef:%\w+]] = OpUndef [[vec3]]
|
|
; CHECK: OpSwitch {{%\w+}} {{%\w+}} {{\w+}} {{%\w+}} {{\w+}} [[block:%\w+]]
|
|
; CHECK: [[block]] = OpLabel
|
|
; CHECK-NEXT: OpBranch [[block:%\w+]]
|
|
; CHECK: [[block]] = OpLabel
|
|
; CHECK-NEXT: OpBranch [[block:%\w+]]
|
|
; CHECK: [[block]] = OpLabel
|
|
; CHECK-NEXT: OpReturnValue [[undef]]
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %2 "main"
|
|
OpExecutionMode %2 OriginUpperLeft
|
|
%6 = OpTypeVoid
|
|
%7 = OpTypeFunction %6
|
|
%8 = OpTypeFloat 32
|
|
%9 = OpTypeVector %8 3
|
|
%10 = OpTypeFunction %9
|
|
%11 = OpConstant %8 1
|
|
%12 = OpConstantComposite %9 %11 %11 %11
|
|
%13 = OpTypeInt 32 1
|
|
%32 = OpUndef %13
|
|
%2 = OpFunction %6 None %7
|
|
%entry = OpLabel
|
|
%call = OpFunctionCall %9 %func
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%func = OpFunction %9 None %10
|
|
%33 = OpLabel
|
|
OpBranch %34
|
|
%34 = OpLabel
|
|
OpLoopMerge %35 %36 None
|
|
OpBranch %37
|
|
%37 = OpLabel
|
|
%38 = OpFunctionCall %9 %39
|
|
OpSelectionMerge %40 None
|
|
OpSwitch %32 %40 14 %41 58 %42
|
|
%42 = OpLabel
|
|
OpBranch %43
|
|
%43 = OpLabel
|
|
OpLoopMerge %44 %45 None
|
|
OpBranch %45
|
|
%45 = OpLabel
|
|
OpBranch %43
|
|
%44 = OpLabel
|
|
OpUnreachable
|
|
%41 = OpLabel
|
|
OpBranch %36
|
|
%40 = OpLabel
|
|
OpBranch %36
|
|
%36 = OpLabel
|
|
OpBranch %34
|
|
%35 = OpLabel
|
|
OpReturnValue %12
|
|
OpFunctionEnd
|
|
%39 = OpFunction %9 None %10
|
|
%46 = OpLabel
|
|
OpReturnValue %12
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(test, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, TestVariablePointer) {
|
|
const std::string before =
|
|
R"(OpCapability Shader
|
|
OpCapability VariablePointers
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %2 "main"
|
|
OpExecutionMode %2 LocalSize 1 1 1
|
|
OpSource GLSL 450
|
|
OpMemberDecorate %_struct_3 0 Offset 0
|
|
OpDecorate %_struct_3 Block
|
|
OpDecorate %4 DescriptorSet 0
|
|
OpDecorate %4 Binding 0
|
|
OpDecorate %_ptr_StorageBuffer_int ArrayStride 4
|
|
OpDecorate %_arr_int_int_128 ArrayStride 4
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%int_128 = OpConstant %int 128
|
|
%_arr_int_int_128 = OpTypeArray %int %int_128
|
|
%_struct_3 = OpTypeStruct %_arr_int_int_128
|
|
%_ptr_StorageBuffer__struct_3 = OpTypePointer StorageBuffer %_struct_3
|
|
%4 = OpVariable %_ptr_StorageBuffer__struct_3 StorageBuffer
|
|
%bool = OpTypeBool
|
|
%true = OpConstantTrue %bool
|
|
%int_0 = OpConstant %int 0
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_StorageBuffer_int = OpTypePointer StorageBuffer %int
|
|
%2 = OpFunction %void None %8
|
|
%16 = OpLabel
|
|
%17 = OpAccessChain %_ptr_StorageBuffer_int %4 %int_0 %int_0
|
|
OpBranch %18
|
|
%18 = OpLabel
|
|
%19 = OpPhi %_ptr_StorageBuffer_int %17 %16 %20 %21
|
|
OpLoopMerge %22 %21 None
|
|
OpBranchConditional %true %23 %22
|
|
%23 = OpLabel
|
|
OpStore %19 %int_0
|
|
OpBranch %21
|
|
%21 = OpLabel
|
|
%20 = OpPtrAccessChain %_ptr_StorageBuffer_int %19 %int_1
|
|
OpBranch %18
|
|
%22 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(before, before, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadInputInterfaceV13) {
|
|
const std::string spirv = R"(
|
|
; CHECK: OpEntryPoint GLCompute %main "main"
|
|
; CHECK-NOT: OpVariable
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %main "main" %dead
|
|
OpExecutionMode %main LocalSize 1 1 1
|
|
OpName %main "main"
|
|
%void = OpTypeVoid
|
|
%int = OpTypeInt 32 0
|
|
%ptr_input_int = OpTypePointer Input %int
|
|
%dead = OpVariable %ptr_input_int Input
|
|
%void_fn = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_fn
|
|
%entry = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_UNIVERSAL_1_3);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadInputInterfaceV14) {
|
|
const std::string spirv = R"(
|
|
; CHECK: OpEntryPoint GLCompute %main "main"
|
|
; CHECK-NOT: OpVariable
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %main "main" %dead
|
|
OpExecutionMode %main LocalSize 1 1 1
|
|
OpName %main "main"
|
|
%void = OpTypeVoid
|
|
%int = OpTypeInt 32 0
|
|
%ptr_input_int = OpTypePointer Input %int
|
|
%dead = OpVariable %ptr_input_int Input
|
|
%void_fn = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_fn
|
|
%entry = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_UNIVERSAL_1_4);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadInterfaceV14) {
|
|
const std::string spirv = R"(
|
|
; CHECK-NOT: OpEntryPoint GLCompute %main "main" %
|
|
; CHECK: OpEntryPoint GLCompute %main "main"
|
|
; CHECK-NOT: OpVariable
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %main "main" %dead
|
|
OpExecutionMode %main LocalSize 1 1 1
|
|
OpName %main "main"
|
|
%void = OpTypeVoid
|
|
%int = OpTypeInt 32 0
|
|
%ptr_private_int = OpTypePointer Private %int
|
|
%dead = OpVariable %ptr_private_int Private
|
|
%void_fn = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_fn
|
|
%entry = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_UNIVERSAL_1_4);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DeadInterfacesV14) {
|
|
const std::string spirv = R"(
|
|
; CHECK: OpEntryPoint GLCompute %main "main" %live1 %live2
|
|
; CHECK-NOT: %dead
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %main "main" %live1 %dead1 %dead2 %live2
|
|
OpExecutionMode %main LocalSize 1 1 1
|
|
OpName %main "main"
|
|
OpName %live1 "live1"
|
|
OpName %live2 "live2"
|
|
OpName %dead1 "dead1"
|
|
OpName %dead2 "dead2"
|
|
%void = OpTypeVoid
|
|
%int = OpTypeInt 32 0
|
|
%int0 = OpConstant %int 0
|
|
%ptr_ssbo_int = OpTypePointer StorageBuffer %int
|
|
%live1 = OpVariable %ptr_ssbo_int StorageBuffer
|
|
%live2 = OpVariable %ptr_ssbo_int StorageBuffer
|
|
%dead1 = OpVariable %ptr_ssbo_int StorageBuffer
|
|
%dead2 = OpVariable %ptr_ssbo_int StorageBuffer
|
|
%void_fn = OpTypeFunction %void
|
|
%main = OpFunction %void None %void_fn
|
|
%entry = OpLabel
|
|
OpStore %live1 %int0
|
|
OpStore %live2 %int0
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_UNIVERSAL_1_4);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, PreserveBindings) {
|
|
const std::string spirv = R"(
|
|
; CHECK: OpDecorate %unusedSampler DescriptorSet 0
|
|
; CHECK: OpDecorate %unusedSampler Binding 0
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %unusedSampler "unusedSampler"
|
|
OpDecorate %unusedSampler DescriptorSet 0
|
|
OpDecorate %unusedSampler Binding 0
|
|
%void = OpTypeVoid
|
|
%5 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%7 = OpTypeImage %float 2D 0 0 0 1 Unknown
|
|
%8 = OpTypeSampledImage %7
|
|
%_ptr_UniformConstant_8 = OpTypePointer UniformConstant %8
|
|
%unusedSampler = OpVariable %_ptr_UniformConstant_8 UniformConstant
|
|
%main = OpFunction %void None %5
|
|
%10 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_UNIVERSAL_1_4);
|
|
|
|
OptimizerOptions()->preserve_bindings_ = true;
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, PreserveSpecConstants) {
|
|
const std::string spirv = R"(
|
|
; CHECK: OpName %specConstant "specConstant"
|
|
; CHECK: %specConstant = OpSpecConstant %int 0
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main"
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 430
|
|
OpName %main "main"
|
|
OpName %specConstant "specConstant"
|
|
OpDecorate %specConstant SpecId 0
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%specConstant = OpSpecConstant %int 0
|
|
%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_UNIVERSAL_1_4);
|
|
|
|
OptimizerOptions()->preserve_spec_constants_ = true;
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, LiveDecorateId) {
|
|
const std::string spirv = R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %1 "main" %2
|
|
OpExecutionMode %1 LocalSize 8 1 1
|
|
OpDecorate %2 DescriptorSet 0
|
|
OpDecorate %2 Binding 0
|
|
OpDecorateId %3 UniformId %uint_2
|
|
%void = OpTypeVoid
|
|
%uint = OpTypeInt 32 0
|
|
%uint_2 = OpConstant %uint 2
|
|
%_ptr_StorageBuffer_uint = OpTypePointer StorageBuffer %uint
|
|
%2 = OpVariable %_ptr_StorageBuffer_uint StorageBuffer
|
|
%8 = OpTypeFunction %void
|
|
%1 = OpFunction %void None %8
|
|
%9 = OpLabel
|
|
%3 = OpLoad %uint %2
|
|
OpStore %2 %3
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_UNIVERSAL_1_4);
|
|
OptimizerOptions()->preserve_spec_constants_ = true;
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(spirv, spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, LiveDecorateIdOnGroup) {
|
|
const std::string spirv = R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %1 "main" %2
|
|
OpExecutionMode %1 LocalSize 8 1 1
|
|
OpDecorate %2 DescriptorSet 0
|
|
OpDecorate %2 Binding 0
|
|
OpDecorateId %3 UniformId %uint_2
|
|
%3 = OpDecorationGroup
|
|
OpGroupDecorate %3 %5
|
|
%void = OpTypeVoid
|
|
%uint = OpTypeInt 32 0
|
|
%uint_2 = OpConstant %uint 2
|
|
%_ptr_StorageBuffer_uint = OpTypePointer StorageBuffer %uint
|
|
%2 = OpVariable %_ptr_StorageBuffer_uint StorageBuffer
|
|
%9 = OpTypeFunction %void
|
|
%1 = OpFunction %void None %9
|
|
%10 = OpLabel
|
|
%5 = OpLoad %uint %2
|
|
OpStore %2 %5
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_UNIVERSAL_1_4);
|
|
OptimizerOptions()->preserve_spec_constants_ = true;
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(spirv, spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, NoEliminateForwardPointer) {
|
|
// clang-format off
|
|
//
|
|
// #version 450
|
|
// #extension GL_EXT_buffer_reference : enable
|
|
//
|
|
// // forward reference
|
|
// layout(buffer_reference) buffer blockType;
|
|
//
|
|
// layout(buffer_reference, std430, buffer_reference_align = 16) buffer blockType {
|
|
// int x;
|
|
// blockType next;
|
|
// };
|
|
//
|
|
// layout(std430) buffer rootBlock {
|
|
// blockType root;
|
|
// } r;
|
|
//
|
|
// void main()
|
|
// {
|
|
// blockType b = r.root;
|
|
// b = b.next;
|
|
// b.x = 531;
|
|
// }
|
|
//
|
|
// clang-format on
|
|
|
|
const std::string predefs1 =
|
|
R"(OpCapability Shader
|
|
OpCapability PhysicalStorageBufferAddresses
|
|
OpExtension "SPV_EXT_physical_storage_buffer"
|
|
OpExtension "SPV_KHR_storage_buffer_storage_class"
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel PhysicalStorageBuffer64 GLSL450
|
|
OpEntryPoint GLCompute %main "main"
|
|
OpExecutionMode %main LocalSize 1 1 1
|
|
OpSource GLSL 450
|
|
OpSourceExtension "GL_EXT_buffer_reference"
|
|
)";
|
|
|
|
const std::string names_before =
|
|
R"(OpName %main "main"
|
|
OpName %blockType "blockType"
|
|
OpMemberName %blockType 0 "x"
|
|
OpMemberName %blockType 1 "next"
|
|
OpName %b "b"
|
|
OpName %rootBlock "rootBlock"
|
|
OpMemberName %rootBlock 0 "root"
|
|
OpName %r "r"
|
|
OpMemberDecorate %blockType 0 Offset 0
|
|
OpMemberDecorate %blockType 1 Offset 8
|
|
OpDecorate %blockType Block
|
|
OpDecorate %b AliasedPointer
|
|
OpMemberDecorate %rootBlock 0 Offset 0
|
|
OpDecorate %rootBlock Block
|
|
OpDecorate %r DescriptorSet 0
|
|
OpDecorate %r Binding 0
|
|
)";
|
|
|
|
const std::string names_after =
|
|
R"(OpName %main "main"
|
|
OpName %blockType "blockType"
|
|
OpMemberName %blockType 0 "x"
|
|
OpMemberName %blockType 1 "next"
|
|
OpName %rootBlock "rootBlock"
|
|
OpMemberName %rootBlock 0 "root"
|
|
OpName %r "r"
|
|
OpMemberDecorate %blockType 0 Offset 0
|
|
OpMemberDecorate %blockType 1 Offset 8
|
|
OpDecorate %blockType Block
|
|
OpMemberDecorate %rootBlock 0 Offset 0
|
|
OpDecorate %rootBlock Block
|
|
OpDecorate %r DescriptorSet 0
|
|
OpDecorate %r Binding 0
|
|
)";
|
|
|
|
const std::string predefs2_before =
|
|
R"(%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
OpTypeForwardPointer %_ptr_PhysicalStorageBuffer_blockType PhysicalStorageBuffer
|
|
%int = OpTypeInt 32 1
|
|
%blockType = OpTypeStruct %int %_ptr_PhysicalStorageBuffer_blockType
|
|
%_ptr_PhysicalStorageBuffer_blockType = OpTypePointer PhysicalStorageBuffer %blockType
|
|
%_ptr_Function__ptr_PhysicalStorageBuffer_blockType = OpTypePointer Function %_ptr_PhysicalStorageBuffer_blockType
|
|
%rootBlock = OpTypeStruct %_ptr_PhysicalStorageBuffer_blockType
|
|
%_ptr_StorageBuffer_rootBlock = OpTypePointer StorageBuffer %rootBlock
|
|
%r = OpVariable %_ptr_StorageBuffer_rootBlock StorageBuffer
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_StorageBuffer__ptr_PhysicalStorageBuffer_blockType = OpTypePointer StorageBuffer %_ptr_PhysicalStorageBuffer_blockType
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_PhysicalStorageBuffer__ptr_PhysicalStorageBuffer_blockType = OpTypePointer PhysicalStorageBuffer %_ptr_PhysicalStorageBuffer_blockType
|
|
%int_531 = OpConstant %int 531
|
|
%_ptr_PhysicalStorageBuffer_int = OpTypePointer PhysicalStorageBuffer %int
|
|
)";
|
|
|
|
const std::string predefs2_after =
|
|
R"(%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
OpTypeForwardPointer %_ptr_PhysicalStorageBuffer_blockType PhysicalStorageBuffer
|
|
%int = OpTypeInt 32 1
|
|
%blockType = OpTypeStruct %int %_ptr_PhysicalStorageBuffer_blockType
|
|
%_ptr_PhysicalStorageBuffer_blockType = OpTypePointer PhysicalStorageBuffer %blockType
|
|
%rootBlock = OpTypeStruct %_ptr_PhysicalStorageBuffer_blockType
|
|
%_ptr_StorageBuffer_rootBlock = OpTypePointer StorageBuffer %rootBlock
|
|
%r = OpVariable %_ptr_StorageBuffer_rootBlock StorageBuffer
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_StorageBuffer__ptr_PhysicalStorageBuffer_blockType = OpTypePointer StorageBuffer %_ptr_PhysicalStorageBuffer_blockType
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_PhysicalStorageBuffer__ptr_PhysicalStorageBuffer_blockType = OpTypePointer PhysicalStorageBuffer %_ptr_PhysicalStorageBuffer_blockType
|
|
%int_531 = OpConstant %int 531
|
|
%_ptr_PhysicalStorageBuffer_int = OpTypePointer PhysicalStorageBuffer %int
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%b = OpVariable %_ptr_Function__ptr_PhysicalStorageBuffer_blockType Function
|
|
%16 = OpAccessChain %_ptr_StorageBuffer__ptr_PhysicalStorageBuffer_blockType %r %int_0
|
|
%17 = OpLoad %_ptr_PhysicalStorageBuffer_blockType %16
|
|
%21 = OpAccessChain %_ptr_PhysicalStorageBuffer__ptr_PhysicalStorageBuffer_blockType %17 %int_1
|
|
%22 = OpLoad %_ptr_PhysicalStorageBuffer_blockType %21 Aligned 8
|
|
OpStore %b %22
|
|
%26 = OpAccessChain %_ptr_PhysicalStorageBuffer_int %22 %int_0
|
|
OpStore %26 %int_531 Aligned 16
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %8
|
|
%19 = OpLabel
|
|
%20 = OpAccessChain %_ptr_StorageBuffer__ptr_PhysicalStorageBuffer_blockType %r %int_0
|
|
%21 = OpLoad %_ptr_PhysicalStorageBuffer_blockType %20
|
|
%22 = OpAccessChain %_ptr_PhysicalStorageBuffer__ptr_PhysicalStorageBuffer_blockType %21 %int_1
|
|
%23 = OpLoad %_ptr_PhysicalStorageBuffer_blockType %22 Aligned 8
|
|
%24 = OpAccessChain %_ptr_PhysicalStorageBuffer_int %23 %int_0
|
|
OpStore %24 %int_531 Aligned 16
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(
|
|
predefs1 + names_before + predefs2_before + func_before,
|
|
predefs1 + names_after + predefs2_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, MultipleFunctionProcessIndependently) {
|
|
const std::string spirv = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %entryHistogram "entryHistogram" %gl_GlobalInvocationID %gl_LocalInvocationIndex
|
|
OpEntryPoint GLCompute %entryAverage "entryAverage" %gl_GlobalInvocationID %gl_LocalInvocationIndex
|
|
OpExecutionMode %entryHistogram LocalSize 16 16 1
|
|
OpExecutionMode %entryAverage LocalSize 256 1 1
|
|
OpSource HLSL 640
|
|
OpName %type_RWStructuredBuffer_uint "type.RWStructuredBuffer.uint"
|
|
OpName %uHistogram "uHistogram"
|
|
OpName %type_ACSBuffer_counter "type.ACSBuffer.counter"
|
|
OpMemberName %type_ACSBuffer_counter 0 "counter"
|
|
OpName %counter_var_uHistogram "counter.var.uHistogram"
|
|
OpName %sharedHistogram "sharedHistogram"
|
|
OpName %entryHistogram "entryHistogram"
|
|
OpName %param_var_id "param.var.id"
|
|
OpName %param_var_idx "param.var.idx"
|
|
OpName %entryAverage "entryAverage"
|
|
OpName %param_var_id_0 "param.var.id"
|
|
OpName %param_var_idx_0 "param.var.idx"
|
|
OpDecorate %gl_GlobalInvocationID BuiltIn GlobalInvocationId
|
|
OpDecorate %gl_LocalInvocationIndex BuiltIn LocalInvocationIndex
|
|
OpDecorate %uHistogram DescriptorSet 0
|
|
OpDecorate %uHistogram Binding 0
|
|
OpDecorate %counter_var_uHistogram DescriptorSet 0
|
|
OpDecorate %counter_var_uHistogram Binding 1
|
|
OpDecorate %_runtimearr_uint ArrayStride 4
|
|
OpMemberDecorate %type_RWStructuredBuffer_uint 0 Offset 0
|
|
OpDecorate %type_RWStructuredBuffer_uint BufferBlock
|
|
OpMemberDecorate %type_ACSBuffer_counter 0 Offset 0
|
|
OpDecorate %type_ACSBuffer_counter BufferBlock
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%uint_2 = OpConstant %uint 2
|
|
%uint_4 = OpConstant %uint 4
|
|
%uint_8 = OpConstant %uint 8
|
|
%uint_16 = OpConstant %uint 16
|
|
%uint_32 = OpConstant %uint 32
|
|
%uint_64 = OpConstant %uint 64
|
|
%uint_128 = OpConstant %uint 128
|
|
%uint_256 = OpConstant %uint 256
|
|
%uint_512 = OpConstant %uint 512
|
|
%uint_254 = OpConstant %uint 254
|
|
%uint_255 = OpConstant %uint 255
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%_runtimearr_uint = OpTypeRuntimeArray %uint
|
|
%type_RWStructuredBuffer_uint = OpTypeStruct %_runtimearr_uint
|
|
%_ptr_Uniform_type_RWStructuredBuffer_uint = OpTypePointer Uniform %type_RWStructuredBuffer_uint
|
|
%type_ACSBuffer_counter = OpTypeStruct %int
|
|
%_ptr_Uniform_type_ACSBuffer_counter = OpTypePointer Uniform %type_ACSBuffer_counter
|
|
%_arr_uint_uint_256 = OpTypeArray %uint %uint_256
|
|
%_ptr_Workgroup__arr_uint_uint_256 = OpTypePointer Workgroup %_arr_uint_uint_256
|
|
%v3uint = OpTypeVector %uint 3
|
|
%_ptr_Input_v3uint = OpTypePointer Input %v3uint
|
|
%_ptr_Input_uint = OpTypePointer Input %uint
|
|
%void = OpTypeVoid
|
|
%49 = OpTypeFunction %void
|
|
%_ptr_Function_v3uint = OpTypePointer Function %v3uint
|
|
%_ptr_Function_uint = OpTypePointer Function %uint
|
|
%52 = OpTypeFunction %void %_ptr_Function_v3uint %_ptr_Function_uint
|
|
%_ptr_Workgroup_uint = OpTypePointer Workgroup %uint
|
|
%uint_264 = OpConstant %uint 264
|
|
%bool = OpTypeBool
|
|
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
|
|
%uHistogram = OpVariable %_ptr_Uniform_type_RWStructuredBuffer_uint Uniform
|
|
%counter_var_uHistogram = OpVariable %_ptr_Uniform_type_ACSBuffer_counter Uniform
|
|
%sharedHistogram = OpVariable %_ptr_Workgroup__arr_uint_uint_256 Workgroup
|
|
%gl_GlobalInvocationID = OpVariable %_ptr_Input_v3uint Input
|
|
%gl_LocalInvocationIndex = OpVariable %_ptr_Input_uint Input
|
|
%entryHistogram = OpFunction %void None %49
|
|
%57 = OpLabel
|
|
%param_var_id = OpVariable %_ptr_Function_v3uint Function
|
|
%param_var_idx = OpVariable %_ptr_Function_uint Function
|
|
%58 = OpLoad %v3uint %gl_GlobalInvocationID
|
|
%59 = OpLoad %uint %gl_LocalInvocationIndex
|
|
%79 = OpAccessChain %_ptr_Workgroup_uint %sharedHistogram %int_0
|
|
%80 = OpAtomicIAdd %uint %79 %uint_1 %uint_0 %uint_1
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%entryAverage = OpFunction %void None %49
|
|
%63 = OpLabel
|
|
%param_var_id_0 = OpVariable %_ptr_Function_v3uint Function
|
|
%param_var_idx_0 = OpVariable %_ptr_Function_uint Function
|
|
%64 = OpLoad %v3uint %gl_GlobalInvocationID
|
|
%65 = OpLoad %uint %gl_LocalInvocationIndex
|
|
OpStore %param_var_idx_0 %65
|
|
%83 = OpAccessChain %_ptr_Workgroup_uint %sharedHistogram %65
|
|
OpStore %83 %uint_0
|
|
|
|
; CHECK: [[ieq:%\w+]] = OpIEqual
|
|
; CHECK-NEXT: OpSelectionMerge [[merge:%\w+]]
|
|
; CHECK-NEXT: OpBranchConditional [[ieq]] [[not_elim:%\w+]] [[merge]]
|
|
; CHECK-NEXT: [[not_elim]] = OpLabel
|
|
; CHECK: [[merge]] = OpLabel
|
|
|
|
OpControlBarrier %uint_2 %uint_2 %uint_264
|
|
%85 = OpIEqual %bool %65 %uint_0
|
|
OpSelectionMerge %89 None
|
|
OpBranchConditional %85 %86 %89
|
|
%86 = OpLabel
|
|
%88 = OpAccessChain %_ptr_Workgroup_uint %sharedHistogram %65
|
|
OpStore %88 %uint_1
|
|
OpBranch %89
|
|
%89 = OpLabel
|
|
OpControlBarrier %uint_2 %uint_2 %uint_264
|
|
%91 = OpAccessChain %_ptr_Workgroup_uint %sharedHistogram %65
|
|
%92 = OpLoad %uint %91
|
|
%94 = OpAccessChain %_ptr_Uniform_uint %uHistogram %int_0 %65
|
|
OpStore %94 %92
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_UNIVERSAL_1_3);
|
|
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(spirv, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DebugInfoKeepInFunctionElimStoreVar) {
|
|
// Verify that dead local variable tc and store eliminated but all
|
|
// in-function debuginfo kept.
|
|
//
|
|
// The SPIR-V has been inlined and local single store eliminated
|
|
//
|
|
// Texture2D g_tColor;
|
|
// SamplerState g_sAniso;
|
|
//
|
|
// struct PS_INPUT {
|
|
// float2 vTextureCoords : TEXCOORD2;
|
|
// };
|
|
//
|
|
// struct PS_OUTPUT {
|
|
// float4 vColor : SV_Target0;
|
|
// };
|
|
//
|
|
// PS_OUTPUT MainPs(PS_INPUT i) {
|
|
// PS_OUTPUT ps_output;
|
|
// float2 tc = i.vTextureCoords.xy;
|
|
// ps_output.vColor = g_tColor.Sample(g_sAniso, tc);
|
|
// return ps_output;
|
|
// }
|
|
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "OpenCL.DebugInfo.100"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %MainPs "MainPs" %g_tColor %g_sAniso %in_var_TEXCOORD2 %out_var_SV_Target0
|
|
OpExecutionMode %MainPs OriginUpperLeft
|
|
%7 = OpString "foo.frag"
|
|
%8 = OpString "PS_OUTPUT"
|
|
%9 = OpString "float"
|
|
%10 = OpString "vColor"
|
|
%11 = OpString "PS_INPUT"
|
|
%12 = OpString "vTextureCoords"
|
|
%13 = OpString "@type.2d.image"
|
|
%14 = OpString "type.2d.image"
|
|
%15 = OpString "Texture2D.TemplateParam"
|
|
%16 = OpString "src.MainPs"
|
|
%17 = OpString "tc"
|
|
%18 = OpString "ps_output"
|
|
%19 = OpString "i"
|
|
%20 = OpString "@type.sampler"
|
|
%21 = OpString "type.sampler"
|
|
%22 = OpString "g_sAniso"
|
|
%23 = OpString "g_tColor"
|
|
OpName %type_2d_image "type.2d.image"
|
|
OpName %g_tColor "g_tColor"
|
|
OpName %type_sampler "type.sampler"
|
|
OpName %g_sAniso "g_sAniso"
|
|
OpName %in_var_TEXCOORD2 "in.var.TEXCOORD2"
|
|
OpName %out_var_SV_Target0 "out.var.SV_Target0"
|
|
OpName %MainPs "MainPs"
|
|
OpName %PS_INPUT "PS_INPUT"
|
|
OpMemberName %PS_INPUT 0 "vTextureCoords"
|
|
OpName %param_var_i "param.var.i"
|
|
OpName %PS_OUTPUT "PS_OUTPUT"
|
|
OpMemberName %PS_OUTPUT 0 "vColor"
|
|
OpName %type_sampled_image "type.sampled.image"
|
|
OpDecorate %in_var_TEXCOORD2 Location 0
|
|
OpDecorate %out_var_SV_Target0 Location 0
|
|
OpDecorate %g_tColor DescriptorSet 0
|
|
OpDecorate %g_tColor Binding 0
|
|
OpDecorate %g_sAniso DescriptorSet 0
|
|
OpDecorate %g_sAniso Binding 1
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%float = OpTypeFloat 32
|
|
%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
|
|
%_ptr_UniformConstant_type_2d_image = OpTypePointer UniformConstant %type_2d_image
|
|
%type_sampler = OpTypeSampler
|
|
%_ptr_UniformConstant_type_sampler = OpTypePointer UniformConstant %type_sampler
|
|
%v2float = OpTypeVector %float 2
|
|
%_ptr_Input_v2float = OpTypePointer Input %v2float
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%void = OpTypeVoid
|
|
%uint_128 = OpConstant %uint 128
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_64 = OpConstant %uint 64
|
|
%45 = OpTypeFunction %void
|
|
%PS_INPUT = OpTypeStruct %v2float
|
|
%_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT
|
|
%PS_OUTPUT = OpTypeStruct %v4float
|
|
%47 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT
|
|
%_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT
|
|
%_ptr_Function_v2float = OpTypePointer Function %v2float
|
|
%type_sampled_image = OpTypeSampledImage %type_2d_image
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%g_tColor = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
%g_sAniso = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
|
|
%in_var_TEXCOORD2 = OpVariable %_ptr_Input_v2float Input
|
|
%out_var_SV_Target0 = OpVariable %_ptr_Output_v4float Output
|
|
%51 = OpExtInst %void %1 DebugInfoNone
|
|
%52 = OpExtInst %void %1 DebugExpression
|
|
%53 = OpExtInst %void %1 DebugOperation Deref
|
|
%54 = OpExtInst %void %1 DebugExpression %53
|
|
%55 = OpExtInst %void %1 DebugSource %7
|
|
%56 = OpExtInst %void %1 DebugCompilationUnit 1 4 %55 HLSL
|
|
%57 = OpExtInst %void %1 DebugTypeComposite %8 Structure %55 10 1 %56 %8 %uint_128 FlagIsProtected|FlagIsPrivate %58
|
|
%59 = OpExtInst %void %1 DebugTypeBasic %9 %uint_32 Float
|
|
%60 = OpExtInst %void %1 DebugTypeVector %59 4
|
|
%58 = OpExtInst %void %1 DebugTypeMember %10 %60 %55 12 5 %57 %uint_0 %uint_128 FlagIsProtected|FlagIsPrivate
|
|
%61 = OpExtInst %void %1 DebugTypeComposite %11 Structure %55 5 1 %56 %11 %uint_64 FlagIsProtected|FlagIsPrivate %62
|
|
%63 = OpExtInst %void %1 DebugTypeVector %59 2
|
|
%62 = OpExtInst %void %1 DebugTypeMember %12 %63 %55 7 5 %61 %uint_0 %uint_64 FlagIsProtected|FlagIsPrivate
|
|
%64 = OpExtInst %void %1 DebugTypeComposite %13 Class %55 0 0 %56 %14 %51 FlagIsProtected|FlagIsPrivate
|
|
%65 = OpExtInst %void %1 DebugTypeTemplateParameter %15 %59 %51 %55 0 0
|
|
%66 = OpExtInst %void %1 DebugTypeTemplate %64 %65
|
|
%67 = OpExtInst %void %1 DebugTypeFunction FlagIsProtected|FlagIsPrivate %57 %61
|
|
%68 = OpExtInst %void %1 DebugFunction %16 %67 %55 15 1 %56 %16 FlagIsProtected|FlagIsPrivate 16 %51
|
|
%69 = OpExtInst %void %1 DebugLexicalBlock %55 16 1 %68
|
|
%70 = OpExtInst %void %1 DebugLocalVariable %17 %63 %55 19 12 %69 FlagIsLocal
|
|
%71 = OpExtInst %void %1 DebugLocalVariable %18 %57 %55 17 15 %69 FlagIsLocal
|
|
%72 = OpExtInst %void %1 DebugLocalVariable %19 %61 %55 15 29 %68 FlagIsLocal 1
|
|
%73 = OpExtInst %void %1 DebugTypeComposite %20 Structure %55 0 0 %56 %21 %51 FlagIsProtected|FlagIsPrivate
|
|
%74 = OpExtInst %void %1 DebugGlobalVariable %22 %73 %55 3 14 %56 %22 %g_sAniso FlagIsDefinition
|
|
%75 = OpExtInst %void %1 DebugGlobalVariable %23 %64 %55 1 11 %56 %23 %g_tColor FlagIsDefinition
|
|
%MainPs = OpFunction %void None %45
|
|
%76 = OpLabel
|
|
%107 = OpExtInst %void %1 DebugScope %69
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugScope %69
|
|
%78 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%79 = OpVariable %_ptr_Function_v2float Function
|
|
%108 = OpExtInst %void %1 DebugNoScope
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugNoScope
|
|
%81 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%param_var_i = OpVariable %_ptr_Function_PS_INPUT Function
|
|
%82 = OpLoad %v2float %in_var_TEXCOORD2
|
|
%83 = OpCompositeConstruct %PS_INPUT %82
|
|
OpStore %param_var_i %83
|
|
%109 = OpExtInst %void %1 DebugScope %68
|
|
%85 = OpExtInst %void %1 DebugDeclare %72 %param_var_i %52
|
|
%110 = OpExtInst %void %1 DebugScope %69
|
|
%87 = OpExtInst %void %1 DebugDeclare %71 %78 %52
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugScope %68
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugDeclare %72 %param_var_i %52
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugScope %69
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugDeclare %71 %78 %52
|
|
OpLine %7 19 17
|
|
%88 = OpAccessChain %_ptr_Function_v2float %param_var_i %int_0
|
|
%89 = OpLoad %v2float %88
|
|
OpLine %7 19 12
|
|
OpStore %79 %89
|
|
;CHECK-NOT: OpStore %79 %89
|
|
OpLine %7 19 12
|
|
%106 = OpExtInst %void %1 DebugValue %70 %89 %52
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugValue %70 %89 %52
|
|
OpLine %7 20 26
|
|
%91 = OpLoad %type_2d_image %g_tColor
|
|
OpLine %7 20 46
|
|
%92 = OpLoad %type_sampler %g_sAniso
|
|
OpLine %7 20 26
|
|
%94 = OpSampledImage %type_sampled_image %91 %92
|
|
%95 = OpImageSampleImplicitLod %v4float %94 %89 None
|
|
OpLine %7 20 5
|
|
%96 = OpAccessChain %_ptr_Function_v4float %78 %int_0
|
|
OpStore %96 %95
|
|
OpLine %7 21 12
|
|
%97 = OpLoad %PS_OUTPUT %78
|
|
OpLine %7 21 5
|
|
OpStore %81 %97
|
|
%111 = OpExtInst %void %1 DebugNoScope
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugNoScope
|
|
%100 = OpCompositeExtract %v4float %97 0
|
|
OpStore %out_var_SV_Target0 %100
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_2);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, ShaderDebugInfoKeepInFunctionElimStoreVar) {
|
|
// Verify that dead local variable tc and store eliminated but all
|
|
// in-function NonSemantic Shader debuginfo kept.
|
|
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpExtension "SPV_KHR_non_semantic_info"
|
|
%1 = OpExtInstImport "NonSemantic.Shader.DebugInfo.100"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %MainPs "MainPs" %g_tColor %g_sAniso %in_var_TEXCOORD2 %out_var_SV_Target0
|
|
OpExecutionMode %MainPs OriginUpperLeft
|
|
%7 = OpString "foo.frag"
|
|
%8 = OpString "PS_OUTPUT"
|
|
%9 = OpString "float"
|
|
%10 = OpString "vColor"
|
|
%11 = OpString "PS_INPUT"
|
|
%12 = OpString "vTextureCoords"
|
|
%13 = OpString "@type.2d.image"
|
|
%14 = OpString "type.2d.image"
|
|
%15 = OpString "Texture2D.TemplateParam"
|
|
%16 = OpString "src.MainPs"
|
|
%17 = OpString "tc"
|
|
%18 = OpString "ps_output"
|
|
%19 = OpString "i"
|
|
%20 = OpString "@type.sampler"
|
|
%21 = OpString "type.sampler"
|
|
%22 = OpString "g_sAniso"
|
|
%23 = OpString "g_tColor"
|
|
OpName %type_2d_image "type.2d.image"
|
|
OpName %g_tColor "g_tColor"
|
|
OpName %type_sampler "type.sampler"
|
|
OpName %g_sAniso "g_sAniso"
|
|
OpName %in_var_TEXCOORD2 "in.var.TEXCOORD2"
|
|
OpName %out_var_SV_Target0 "out.var.SV_Target0"
|
|
OpName %MainPs "MainPs"
|
|
OpName %PS_INPUT "PS_INPUT"
|
|
OpMemberName %PS_INPUT 0 "vTextureCoords"
|
|
OpName %param_var_i "param.var.i"
|
|
OpName %PS_OUTPUT "PS_OUTPUT"
|
|
OpMemberName %PS_OUTPUT 0 "vColor"
|
|
OpName %type_sampled_image "type.sampled.image"
|
|
OpDecorate %in_var_TEXCOORD2 Location 0
|
|
OpDecorate %out_var_SV_Target0 Location 0
|
|
OpDecorate %g_tColor DescriptorSet 0
|
|
OpDecorate %g_tColor Binding 0
|
|
OpDecorate %g_sAniso DescriptorSet 0
|
|
OpDecorate %g_sAniso Binding 1
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%float = OpTypeFloat 32
|
|
%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
|
|
%_ptr_UniformConstant_type_2d_image = OpTypePointer UniformConstant %type_2d_image
|
|
%type_sampler = OpTypeSampler
|
|
%_ptr_UniformConstant_type_sampler = OpTypePointer UniformConstant %type_sampler
|
|
%v2float = OpTypeVector %float 2
|
|
%_ptr_Input_v2float = OpTypePointer Input %v2float
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%void = OpTypeVoid
|
|
%uint_128 = OpConstant %uint 128
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%uint_2 = OpConstant %uint 2
|
|
%uint_3 = OpConstant %uint 3
|
|
%uint_4 = OpConstant %uint 4
|
|
%uint_5 = OpConstant %uint 5
|
|
%uint_7 = OpConstant %uint 7
|
|
%uint_8 = OpConstant %uint 8
|
|
%uint_10 = OpConstant %uint 10
|
|
%uint_11 = OpConstant %uint 11
|
|
%uint_12 = OpConstant %uint 12
|
|
%uint_14 = OpConstant %uint 14
|
|
%uint_15 = OpConstant %uint 15
|
|
%uint_16 = OpConstant %uint 16
|
|
%uint_17 = OpConstant %uint 17
|
|
%uint_19 = OpConstant %uint 19
|
|
%uint_20 = OpConstant %uint 20
|
|
%uint_21 = OpConstant %uint 21
|
|
%uint_25 = OpConstant %uint 25
|
|
%uint_29 = OpConstant %uint 29
|
|
%uint_30 = OpConstant %uint 30
|
|
%uint_35 = OpConstant %uint 35
|
|
%uint_41 = OpConstant %uint 41
|
|
%uint_48 = OpConstant %uint 48
|
|
%uint_53 = OpConstant %uint 53
|
|
%uint_64 = OpConstant %uint 64
|
|
%45 = OpTypeFunction %void
|
|
%PS_INPUT = OpTypeStruct %v2float
|
|
%_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT
|
|
%PS_OUTPUT = OpTypeStruct %v4float
|
|
%47 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT
|
|
%_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT
|
|
%_ptr_Function_v2float = OpTypePointer Function %v2float
|
|
%type_sampled_image = OpTypeSampledImage %type_2d_image
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%g_tColor = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
%g_sAniso = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
|
|
%in_var_TEXCOORD2 = OpVariable %_ptr_Input_v2float Input
|
|
%out_var_SV_Target0 = OpVariable %_ptr_Output_v4float Output
|
|
%51 = OpExtInst %void %1 DebugInfoNone
|
|
%52 = OpExtInst %void %1 DebugExpression
|
|
%53 = OpExtInst %void %1 DebugOperation %uint_0
|
|
%54 = OpExtInst %void %1 DebugExpression %53
|
|
%55 = OpExtInst %void %1 DebugSource %7
|
|
%56 = OpExtInst %void %1 DebugCompilationUnit %uint_1 %uint_4 %55 %uint_5
|
|
%59 = OpExtInst %void %1 DebugTypeBasic %9 %uint_32 %uint_3 %uint_0
|
|
%60 = OpExtInst %void %1 DebugTypeVector %59 %uint_4
|
|
%58 = OpExtInst %void %1 DebugTypeMember %10 %60 %55 %uint_12 %uint_5 %uint_0 %uint_128 %uint_3
|
|
%57 = OpExtInst %void %1 DebugTypeComposite %8 %uint_1 %55 %uint_10 %uint_1 %56 %8 %uint_128 %uint_3 %58
|
|
%63 = OpExtInst %void %1 DebugTypeVector %59 %uint_2
|
|
%62 = OpExtInst %void %1 DebugTypeMember %12 %63 %55 %uint_7 %uint_5 %uint_0 %uint_64 %uint_3
|
|
%61 = OpExtInst %void %1 DebugTypeComposite %11 %uint_1 %55 %uint_5 %uint_1 %56 %11 %uint_64 %uint_3 %62
|
|
%64 = OpExtInst %void %1 DebugTypeComposite %13 %uint_0 %55 %uint_0 %uint_0 %56 %14 %51 %uint_3
|
|
%67 = OpExtInst %void %1 DebugTypeFunction %uint_3 %57 %61
|
|
%68 = OpExtInst %void %1 DebugFunction %16 %67 %55 %uint_15 %uint_1 %56 %16 %uint_3 %uint_16
|
|
%69 = OpExtInst %void %1 DebugLexicalBlock %55 %uint_16 %uint_1 %68
|
|
%70 = OpExtInst %void %1 DebugLocalVariable %17 %63 %55 %uint_19 %uint_12 %69 %uint_4
|
|
%71 = OpExtInst %void %1 DebugLocalVariable %18 %57 %55 %uint_17 %uint_15 %69 %uint_4
|
|
%72 = OpExtInst %void %1 DebugLocalVariable %19 %61 %55 %uint_15 %uint_29 %68 %uint_4 %uint_1
|
|
%73 = OpExtInst %void %1 DebugTypeComposite %20 %uint_1 %55 %uint_0 %uint_0 %56 %21 %51 %uint_3
|
|
%74 = OpExtInst %void %1 DebugGlobalVariable %22 %73 %55 %uint_3 %uint_14 %56 %22 %g_sAniso %uint_8
|
|
%75 = OpExtInst %void %1 DebugGlobalVariable %23 %64 %55 %uint_1 %uint_11 %56 %23 %g_tColor %uint_8
|
|
%MainPs = OpFunction %void None %45
|
|
%76 = OpLabel
|
|
%78 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%79 = OpVariable %_ptr_Function_v2float Function
|
|
%81 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%param_var_i = OpVariable %_ptr_Function_PS_INPUT Function
|
|
%82 = OpLoad %v2float %in_var_TEXCOORD2
|
|
%83 = OpCompositeConstruct %PS_INPUT %82
|
|
OpStore %param_var_i %83
|
|
%112 = OpExtInst %void %1 DebugFunctionDefinition %68 %MainPs
|
|
%109 = OpExtInst %void %1 DebugScope %68
|
|
%85 = OpExtInst %void %1 DebugDeclare %72 %param_var_i %52
|
|
%110 = OpExtInst %void %1 DebugScope %69
|
|
%87 = OpExtInst %void %1 DebugDeclare %71 %78 %52
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugFunctionDefinition %68 %MainPs
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugScope %68
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugDeclare %72 %param_var_i %52
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugScope %69
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugDeclare %71 %78 %52
|
|
%300 = OpExtInst %void %1 DebugLine %55 %uint_19 %uint_19 %uint_17 %uint_30
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugLine %55 %uint_19 %uint_19 %uint_17 %uint_30
|
|
%88 = OpAccessChain %_ptr_Function_v2float %param_var_i %int_0
|
|
%89 = OpLoad %v2float %88
|
|
%301 = OpExtInst %void %1 DebugLine %55 %uint_19 %uint_19 %uint_12 %uint_35
|
|
OpStore %79 %89
|
|
;CHECK-NOT: OpStore %79 %89
|
|
%302 = OpExtInst %void %1 DebugLine %55 %uint_19 %uint_19 %uint_12 %uint_35
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugLine %55 %uint_19 %uint_19 %uint_12 %uint_35
|
|
%106 = OpExtInst %void %1 DebugValue %70 %89 %52
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugValue %70 %89 %52
|
|
%303 = OpExtInst %void %1 DebugLine %55 %uint_20 %uint_20 %uint_25 %uint_32
|
|
%91 = OpLoad %type_2d_image %g_tColor
|
|
%304 = OpExtInst %void %1 DebugLine %55 %uint_20 %uint_20 %uint_41 %uint_48
|
|
%92 = OpLoad %type_sampler %g_sAniso
|
|
%305 = OpExtInst %void %1 DebugLine %55 %uint_20 %uint_20 %uint_25 %uint_53
|
|
%94 = OpSampledImage %type_sampled_image %91 %92
|
|
%95 = OpImageSampleImplicitLod %v4float %94 %89 None
|
|
%306 = OpExtInst %void %1 DebugLine %55 %uint_20 %uint_20 %uint_5 %uint_53
|
|
%96 = OpAccessChain %_ptr_Function_v4float %78 %int_0
|
|
OpStore %96 %95
|
|
%307 = OpExtInst %void %1 DebugLine %55 %uint_21 %uint_21 %uint_12 %uint_20
|
|
%97 = OpLoad %PS_OUTPUT %78
|
|
%308 = OpExtInst %void %1 DebugLine %55 %uint_21 %uint_21 %uint_5 %uint_20
|
|
OpStore %81 %97
|
|
%309 = OpExtInst %void %1 DebugNoLine
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugNoLine
|
|
%111 = OpExtInst %void %1 DebugNoScope
|
|
;CHECK: {{%\w+}} = OpExtInst %void %1 DebugNoScope
|
|
%100 = OpCompositeExtract %v4float %97 0
|
|
OpStore %out_var_SV_Target0 %100
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_2);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, ShaderDebugInfoGlobalDCE) {
|
|
// Verify that DebugGlobalVariable for eliminated private variable has
|
|
// variable operand replaced with DebugInfoNone.
|
|
|
|
const std::string text = R"(OpCapability Shader
|
|
OpExtension "SPV_KHR_non_semantic_info"
|
|
%1 = OpExtInstImport "NonSemantic.Shader.DebugInfo.100"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %MainPs "MainPs" %out_var_SV_Target0 %a
|
|
OpExecutionMode %MainPs OriginUpperLeft
|
|
%5 = OpString "source2.hlsl"
|
|
%24 = OpString "float"
|
|
%29 = OpString "vColor"
|
|
%33 = OpString "PS_OUTPUT"
|
|
%37 = OpString "MainPs"
|
|
%38 = OpString ""
|
|
%42 = OpString "ps_output"
|
|
%46 = OpString "a"
|
|
OpName %a "a"
|
|
OpName %out_var_SV_Target0 "out.var.SV_Target0"
|
|
OpName %MainPs "MainPs"
|
|
OpName %PS_OUTPUT "PS_OUTPUT"
|
|
OpMemberName %PS_OUTPUT 0 "vColor"
|
|
OpDecorate %out_var_SV_Target0 Location 0
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%8 = OpConstantNull %v4float
|
|
%float_0 = OpConstant %float 0
|
|
%10 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%_ptr_Private_v4float = OpTypePointer Private %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%void = OpTypeVoid
|
|
%uint_1 = OpConstant %uint 1
|
|
%uint_4 = OpConstant %uint 4
|
|
%uint_5 = OpConstant %uint 5
|
|
%uint_3 = OpConstant %uint 3
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_128 = OpConstant %uint 128
|
|
%uint_12 = OpConstant %uint 12
|
|
%uint_8 = OpConstant %uint 8
|
|
%uint_9 = OpConstant %uint 9
|
|
%uint_10 = OpConstant %uint 10
|
|
%uint_15 = OpConstant %uint 15
|
|
%48 = OpTypeFunction %void
|
|
%PS_OUTPUT = OpTypeStruct %v4float
|
|
%54 = OpTypeFunction %PS_OUTPUT
|
|
%_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%a = OpVariable %_ptr_Private_v4float Private
|
|
;CHECK-NOT: %a = OpVariable %_ptr_Private_v4float Private
|
|
%out_var_SV_Target0 = OpVariable %_ptr_Output_v4float Output
|
|
;CHECK: [[dbg_none:%\w+]] = OpExtInst %void %1 DebugInfoNone
|
|
%18 = OpExtInst %void %1 DebugExpression
|
|
%19 = OpExtInst %void %1 DebugSource %5
|
|
%20 = OpExtInst %void %1 DebugCompilationUnit %uint_1 %uint_4 %19 %uint_5
|
|
%25 = OpExtInst %void %1 DebugTypeBasic %24 %uint_32 %uint_3 %uint_0
|
|
%28 = OpExtInst %void %1 DebugTypeVector %25 %uint_4
|
|
%31 = OpExtInst %void %1 DebugTypeMember %29 %28 %19 %uint_5 %uint_12 %uint_0 %uint_128 %uint_3
|
|
%34 = OpExtInst %void %1 DebugTypeComposite %33 %uint_1 %19 %uint_3 %uint_8 %20 %33 %uint_128 %uint_3 %31
|
|
%36 = OpExtInst %void %1 DebugTypeFunction %uint_3 %34
|
|
%39 = OpExtInst %void %1 DebugFunction %37 %36 %19 %uint_8 %uint_1 %20 %38 %uint_3 %uint_9
|
|
%41 = OpExtInst %void %1 DebugLexicalBlock %19 %uint_9 %uint_1 %39
|
|
%43 = OpExtInst %void %1 DebugLocalVariable %42 %34 %19 %uint_10 %uint_15 %41 %uint_4
|
|
%47 = OpExtInst %void %1 DebugGlobalVariable %46 %28 %19 %uint_1 %uint_15 %20 %46 %a %uint_8
|
|
;CHECK: %47 = OpExtInst %void %1 DebugGlobalVariable %46 %28 %19 %uint_1 %uint_15 %20 %46 [[dbg_none]] %uint_8
|
|
%MainPs = OpFunction %void None %48
|
|
%49 = OpLabel
|
|
%65 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%66 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
OpStore %a %8
|
|
%72 = OpExtInst %void %1 DebugScope %41
|
|
%69 = OpExtInst %void %1 DebugDeclare %43 %65 %18
|
|
OpLine %5 11 5
|
|
%70 = OpAccessChain %_ptr_Function_v4float %65 %int_0
|
|
OpStore %70 %10
|
|
OpLine %5 12 12
|
|
%71 = OpLoad %PS_OUTPUT %65
|
|
OpLine %5 12 5
|
|
OpStore %66 %71
|
|
%73 = OpExtInst %void %1 DebugNoLine
|
|
%74 = OpExtInst %void %1 DebugNoScope
|
|
%51 = OpLoad %PS_OUTPUT %66
|
|
%53 = OpCompositeExtract %v4float %51 0
|
|
OpStore %out_var_SV_Target0 %53
|
|
OpLine %5 13 1
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_2);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DebugInfoDeclareKeepsStore) {
|
|
// Verify that local variable tc and its store are kept by DebugDeclare.
|
|
//
|
|
// Same shader source as DebugInfoInFunctionKeepStoreVarElim. The SPIR-V
|
|
// has just been inlined.
|
|
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "OpenCL.DebugInfo.100"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %MainPs "MainPs" %g_tColor %g_sAniso %in_var_TEXCOORD2 %out_var_SV_Target0
|
|
OpExecutionMode %MainPs OriginUpperLeft
|
|
%20 = OpString "foo.frag"
|
|
%24 = OpString "PS_OUTPUT"
|
|
%28 = OpString "float"
|
|
%31 = OpString "vColor"
|
|
%33 = OpString "PS_INPUT"
|
|
%38 = OpString "vTextureCoords"
|
|
%40 = OpString "@type.2d.image"
|
|
%41 = OpString "type.2d.image"
|
|
%43 = OpString "Texture2D.TemplateParam"
|
|
%47 = OpString "src.MainPs"
|
|
%51 = OpString "tc"
|
|
%53 = OpString "ps_output"
|
|
%56 = OpString "i"
|
|
%58 = OpString "@type.sampler"
|
|
%59 = OpString "type.sampler"
|
|
%61 = OpString "g_sAniso"
|
|
%63 = OpString "g_tColor"
|
|
OpName %type_2d_image "type.2d.image"
|
|
OpName %g_tColor "g_tColor"
|
|
OpName %type_sampler "type.sampler"
|
|
OpName %g_sAniso "g_sAniso"
|
|
OpName %in_var_TEXCOORD2 "in.var.TEXCOORD2"
|
|
OpName %out_var_SV_Target0 "out.var.SV_Target0"
|
|
OpName %MainPs "MainPs"
|
|
OpName %PS_INPUT "PS_INPUT"
|
|
OpMemberName %PS_INPUT 0 "vTextureCoords"
|
|
OpName %param_var_i "param.var.i"
|
|
OpName %PS_OUTPUT "PS_OUTPUT"
|
|
OpMemberName %PS_OUTPUT 0 "vColor"
|
|
OpName %type_sampled_image "type.sampled.image"
|
|
OpDecorate %in_var_TEXCOORD2 Location 0
|
|
OpDecorate %out_var_SV_Target0 Location 0
|
|
OpDecorate %g_tColor DescriptorSet 0
|
|
OpDecorate %g_tColor Binding 0
|
|
OpDecorate %g_sAniso DescriptorSet 0
|
|
OpDecorate %g_sAniso Binding 1
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%float = OpTypeFloat 32
|
|
%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
|
|
%_ptr_UniformConstant_type_2d_image = OpTypePointer UniformConstant %type_2d_image
|
|
%type_sampler = OpTypeSampler
|
|
%_ptr_UniformConstant_type_sampler = OpTypePointer UniformConstant %type_sampler
|
|
%v2float = OpTypeVector %float 2
|
|
%_ptr_Input_v2float = OpTypePointer Input %v2float
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%void = OpTypeVoid
|
|
%uint_128 = OpConstant %uint 128
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_64 = OpConstant %uint 64
|
|
%65 = OpTypeFunction %void
|
|
%PS_INPUT = OpTypeStruct %v2float
|
|
%_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT
|
|
%PS_OUTPUT = OpTypeStruct %v4float
|
|
%75 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT
|
|
%_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT
|
|
%_ptr_Function_v2float = OpTypePointer Function %v2float
|
|
%type_sampled_image = OpTypeSampledImage %type_2d_image
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%g_tColor = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
%g_sAniso = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
|
|
%in_var_TEXCOORD2 = OpVariable %_ptr_Input_v2float Input
|
|
%out_var_SV_Target0 = OpVariable %_ptr_Output_v4float Output
|
|
%39 = OpExtInst %void %1 DebugInfoNone
|
|
%55 = OpExtInst %void %1 DebugExpression
|
|
%22 = OpExtInst %void %1 DebugSource %20
|
|
%23 = OpExtInst %void %1 DebugCompilationUnit 1 4 %22 HLSL
|
|
%26 = OpExtInst %void %1 DebugTypeComposite %24 Structure %22 10 1 %23 %24 %uint_128 FlagIsProtected|FlagIsPrivate %27
|
|
%29 = OpExtInst %void %1 DebugTypeBasic %28 %uint_32 Float
|
|
%30 = OpExtInst %void %1 DebugTypeVector %29 4
|
|
%27 = OpExtInst %void %1 DebugTypeMember %31 %30 %22 12 5 %26 %uint_0 %uint_128 FlagIsProtected|FlagIsPrivate
|
|
%35 = OpExtInst %void %1 DebugTypeComposite %33 Structure %22 5 1 %23 %33 %uint_64 FlagIsProtected|FlagIsPrivate %36
|
|
%37 = OpExtInst %void %1 DebugTypeVector %29 2
|
|
%36 = OpExtInst %void %1 DebugTypeMember %38 %37 %22 7 5 %35 %uint_0 %uint_64 FlagIsProtected|FlagIsPrivate
|
|
%42 = OpExtInst %void %1 DebugTypeComposite %40 Class %22 0 0 %23 %41 %39 FlagIsProtected|FlagIsPrivate
|
|
%44 = OpExtInst %void %1 DebugTypeTemplateParameter %43 %29 %39 %22 0 0
|
|
%45 = OpExtInst %void %1 DebugTypeTemplate %42 %44
|
|
%46 = OpExtInst %void %1 DebugTypeFunction FlagIsProtected|FlagIsPrivate %26 %35
|
|
%48 = OpExtInst %void %1 DebugFunction %47 %46 %22 15 1 %23 %47 FlagIsProtected|FlagIsPrivate 16 %39
|
|
%50 = OpExtInst %void %1 DebugLexicalBlock %22 16 1 %48
|
|
%52 = OpExtInst %void %1 DebugLocalVariable %51 %37 %22 19 12 %50 FlagIsLocal
|
|
%54 = OpExtInst %void %1 DebugLocalVariable %53 %26 %22 17 15 %50 FlagIsLocal
|
|
%57 = OpExtInst %void %1 DebugLocalVariable %56 %35 %22 15 29 %48 FlagIsLocal 1
|
|
%60 = OpExtInst %void %1 DebugTypeComposite %58 Structure %22 0 0 %23 %59 %39 FlagIsProtected|FlagIsPrivate
|
|
%62 = OpExtInst %void %1 DebugGlobalVariable %61 %60 %22 3 14 %23 %61 %g_sAniso FlagIsDefinition
|
|
%64 = OpExtInst %void %1 DebugGlobalVariable %63 %42 %22 1 11 %23 %63 %g_tColor FlagIsDefinition
|
|
%MainPs = OpFunction %void None %65
|
|
%66 = OpLabel
|
|
%114 = OpExtInst %void %1 DebugScope %50
|
|
%98 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%99 = OpVariable %_ptr_Function_v2float Function
|
|
%115 = OpExtInst %void %1 DebugNoScope
|
|
%100 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%param_var_i = OpVariable %_ptr_Function_PS_INPUT Function
|
|
%70 = OpLoad %v2float %in_var_TEXCOORD2
|
|
%71 = OpCompositeConstruct %PS_INPUT %70
|
|
OpStore %param_var_i %71
|
|
%116 = OpExtInst %void %1 DebugScope %48
|
|
%102 = OpExtInst %void %1 DebugDeclare %57 %param_var_i %55
|
|
%117 = OpExtInst %void %1 DebugScope %50
|
|
%103 = OpExtInst %void %1 DebugDeclare %54 %98 %55
|
|
OpLine %20 19 17
|
|
%104 = OpAccessChain %_ptr_Function_v2float %param_var_i %int_0
|
|
%105 = OpLoad %v2float %104
|
|
OpLine %20 19 12
|
|
OpStore %99 %105
|
|
;CHECK: OpStore %99 %105
|
|
%106 = OpExtInst %void %1 DebugDeclare %52 %99 %55
|
|
OpLine %20 20 26
|
|
%107 = OpLoad %type_2d_image %g_tColor
|
|
OpLine %20 20 46
|
|
%108 = OpLoad %type_sampler %g_sAniso
|
|
OpLine %20 20 26
|
|
%110 = OpSampledImage %type_sampled_image %107 %108
|
|
%111 = OpImageSampleImplicitLod %v4float %110 %105 None
|
|
OpLine %20 20 5
|
|
%112 = OpAccessChain %_ptr_Function_v4float %98 %int_0
|
|
OpStore %112 %111
|
|
OpLine %20 21 12
|
|
%113 = OpLoad %PS_OUTPUT %98
|
|
OpLine %20 21 5
|
|
OpStore %100 %113
|
|
%118 = OpExtInst %void %1 DebugNoScope
|
|
%73 = OpLoad %PS_OUTPUT %100
|
|
%74 = OpCompositeExtract %v4float %73 0
|
|
OpStore %out_var_SV_Target0 %74
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_2);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DebugInfoValueDerefKeepsStore) {
|
|
// Verify that local variable tc and its store are kept by DebugValue with
|
|
// Deref.
|
|
//
|
|
// Same shader source as DebugInfoInFunctionKeepStoreVarElim. The SPIR-V
|
|
// has just been inlined and edited to replace the DebugDeclare with the
|
|
// DebugValue/Deref.
|
|
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "OpenCL.DebugInfo.100"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %MainPs "MainPs" %g_tColor %g_sAniso %in_var_TEXCOORD2 %out_var_SV_Target0
|
|
OpExecutionMode %MainPs OriginUpperLeft
|
|
%7 = OpString "foo.frag"
|
|
%8 = OpString "PS_OUTPUT"
|
|
%9 = OpString "float"
|
|
%10 = OpString "vColor"
|
|
%11 = OpString "PS_INPUT"
|
|
%12 = OpString "vTextureCoords"
|
|
%13 = OpString "@type.2d.image"
|
|
%14 = OpString "type.2d.image"
|
|
%15 = OpString "Texture2D.TemplateParam"
|
|
%16 = OpString "src.MainPs"
|
|
%17 = OpString "tc"
|
|
%18 = OpString "ps_output"
|
|
%19 = OpString "i"
|
|
%20 = OpString "@type.sampler"
|
|
%21 = OpString "type.sampler"
|
|
%22 = OpString "g_sAniso"
|
|
%23 = OpString "g_tColor"
|
|
OpName %type_2d_image "type.2d.image"
|
|
OpName %g_tColor "g_tColor"
|
|
OpName %type_sampler "type.sampler"
|
|
OpName %g_sAniso "g_sAniso"
|
|
OpName %in_var_TEXCOORD2 "in.var.TEXCOORD2"
|
|
OpName %out_var_SV_Target0 "out.var.SV_Target0"
|
|
OpName %MainPs "MainPs"
|
|
OpName %PS_INPUT "PS_INPUT"
|
|
OpMemberName %PS_INPUT 0 "vTextureCoords"
|
|
OpName %param_var_i "param.var.i"
|
|
OpName %PS_OUTPUT "PS_OUTPUT"
|
|
OpMemberName %PS_OUTPUT 0 "vColor"
|
|
OpName %type_sampled_image "type.sampled.image"
|
|
OpDecorate %in_var_TEXCOORD2 Location 0
|
|
OpDecorate %out_var_SV_Target0 Location 0
|
|
OpDecorate %g_tColor DescriptorSet 0
|
|
OpDecorate %g_tColor Binding 0
|
|
OpDecorate %g_sAniso DescriptorSet 0
|
|
OpDecorate %g_sAniso Binding 1
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%float = OpTypeFloat 32
|
|
%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
|
|
%_ptr_UniformConstant_type_2d_image = OpTypePointer UniformConstant %type_2d_image
|
|
%type_sampler = OpTypeSampler
|
|
%_ptr_UniformConstant_type_sampler = OpTypePointer UniformConstant %type_sampler
|
|
%v2float = OpTypeVector %float 2
|
|
%_ptr_Input_v2float = OpTypePointer Input %v2float
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%void = OpTypeVoid
|
|
%uint_128 = OpConstant %uint 128
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_64 = OpConstant %uint 64
|
|
%45 = OpTypeFunction %void
|
|
%PS_INPUT = OpTypeStruct %v2float
|
|
%_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT
|
|
%PS_OUTPUT = OpTypeStruct %v4float
|
|
%47 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT
|
|
%_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT
|
|
%_ptr_Function_v2float = OpTypePointer Function %v2float
|
|
%type_sampled_image = OpTypeSampledImage %type_2d_image
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%g_tColor = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
%g_sAniso = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
|
|
%in_var_TEXCOORD2 = OpVariable %_ptr_Input_v2float Input
|
|
%out_var_SV_Target0 = OpVariable %_ptr_Output_v4float Output
|
|
%51 = OpExtInst %void %1 DebugInfoNone
|
|
%52 = OpExtInst %void %1 DebugExpression
|
|
%53 = OpExtInst %void %1 DebugOperation Deref
|
|
%54 = OpExtInst %void %1 DebugExpression %53
|
|
%55 = OpExtInst %void %1 DebugSource %7
|
|
%56 = OpExtInst %void %1 DebugCompilationUnit 1 4 %55 HLSL
|
|
%57 = OpExtInst %void %1 DebugTypeComposite %8 Structure %55 10 1 %56 %8 %uint_128 FlagIsProtected|FlagIsPrivate %58
|
|
%59 = OpExtInst %void %1 DebugTypeBasic %9 %uint_32 Float
|
|
%60 = OpExtInst %void %1 DebugTypeVector %59 4
|
|
%58 = OpExtInst %void %1 DebugTypeMember %10 %60 %55 12 5 %57 %uint_0 %uint_128 FlagIsProtected|FlagIsPrivate
|
|
%61 = OpExtInst %void %1 DebugTypeComposite %11 Structure %55 5 1 %56 %11 %uint_64 FlagIsProtected|FlagIsPrivate %62
|
|
%63 = OpExtInst %void %1 DebugTypeVector %59 2
|
|
%62 = OpExtInst %void %1 DebugTypeMember %12 %63 %55 7 5 %61 %uint_0 %uint_64 FlagIsProtected|FlagIsPrivate
|
|
%64 = OpExtInst %void %1 DebugTypeComposite %13 Class %55 0 0 %56 %14 %51 FlagIsProtected|FlagIsPrivate
|
|
%65 = OpExtInst %void %1 DebugTypeTemplateParameter %15 %59 %51 %55 0 0
|
|
%66 = OpExtInst %void %1 DebugTypeTemplate %64 %65
|
|
%67 = OpExtInst %void %1 DebugTypeFunction FlagIsProtected|FlagIsPrivate %57 %61
|
|
%68 = OpExtInst %void %1 DebugFunction %16 %67 %55 15 1 %56 %16 FlagIsProtected|FlagIsPrivate 16 %51
|
|
%69 = OpExtInst %void %1 DebugLexicalBlock %55 16 1 %68
|
|
%70 = OpExtInst %void %1 DebugLocalVariable %17 %63 %55 19 12 %69 FlagIsLocal
|
|
%71 = OpExtInst %void %1 DebugLocalVariable %18 %57 %55 17 15 %69 FlagIsLocal
|
|
%72 = OpExtInst %void %1 DebugLocalVariable %19 %61 %55 15 29 %68 FlagIsLocal 1
|
|
%73 = OpExtInst %void %1 DebugTypeComposite %20 Structure %55 0 0 %56 %21 %51 FlagIsProtected|FlagIsPrivate
|
|
%74 = OpExtInst %void %1 DebugGlobalVariable %22 %73 %55 3 14 %56 %22 %g_sAniso FlagIsDefinition
|
|
%75 = OpExtInst %void %1 DebugGlobalVariable %23 %64 %55 1 11 %56 %23 %g_tColor FlagIsDefinition
|
|
%MainPs = OpFunction %void None %45
|
|
%76 = OpLabel
|
|
%101 = OpExtInst %void %1 DebugScope %69
|
|
%78 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%79 = OpVariable %_ptr_Function_v2float Function
|
|
%102 = OpExtInst %void %1 DebugNoScope
|
|
%81 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%param_var_i = OpVariable %_ptr_Function_PS_INPUT Function
|
|
%82 = OpLoad %v2float %in_var_TEXCOORD2
|
|
%83 = OpCompositeConstruct %PS_INPUT %82
|
|
OpStore %param_var_i %83
|
|
%103 = OpExtInst %void %1 DebugScope %68
|
|
%85 = OpExtInst %void %1 DebugDeclare %72 %param_var_i %52
|
|
%104 = OpExtInst %void %1 DebugScope %69
|
|
%87 = OpExtInst %void %1 DebugDeclare %71 %78 %52
|
|
OpLine %7 19 17
|
|
%88 = OpAccessChain %_ptr_Function_v2float %param_var_i %int_0
|
|
%89 = OpLoad %v2float %88
|
|
OpLine %7 19 12
|
|
OpStore %79 %89
|
|
;CHECK: OpStore %79 %89
|
|
%90 = OpExtInst %void %1 DebugValue %70 %79 %54
|
|
OpLine %7 20 26
|
|
%91 = OpLoad %type_2d_image %g_tColor
|
|
OpLine %7 20 46
|
|
%92 = OpLoad %type_sampler %g_sAniso
|
|
OpLine %7 20 26
|
|
%94 = OpSampledImage %type_sampled_image %91 %92
|
|
%95 = OpImageSampleImplicitLod %v4float %94 %89 None
|
|
OpLine %7 20 5
|
|
%96 = OpAccessChain %_ptr_Function_v4float %78 %int_0
|
|
OpStore %96 %95
|
|
OpLine %7 21 12
|
|
%97 = OpLoad %PS_OUTPUT %78
|
|
OpLine %7 21 5
|
|
OpStore %81 %97
|
|
%105 = OpExtInst %void %1 DebugNoScope
|
|
%99 = OpLoad %PS_OUTPUT %81
|
|
%100 = OpCompositeExtract %v4float %99 0
|
|
OpStore %out_var_SV_Target0 %100
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_2);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, DebugInfoElimUnusedTextureKeepGlobalVariable) {
|
|
// Verify that unused texture g_tColor2 is eliminated but its
|
|
// DebugGlobalVariable is retained but with DebugInfoNone for its Variable.
|
|
//
|
|
// Same shader source as DebugInfoInFunctionKeepStoreVarElim but with unused
|
|
// g_tColor2 added.
|
|
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "OpenCL.DebugInfo.100"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %MainPs "MainPs" %g_tColor %g_tColor2 %g_sAniso %in_var_TEXCOORD2 %out_var_SV_Target0
|
|
OpExecutionMode %MainPs OriginUpperLeft
|
|
%21 = OpString "foo6.frag"
|
|
%25 = OpString "PS_OUTPUT"
|
|
%29 = OpString "float"
|
|
%32 = OpString "vColor"
|
|
%34 = OpString "PS_INPUT"
|
|
%39 = OpString "vTextureCoords"
|
|
%41 = OpString "@type.2d.image"
|
|
%42 = OpString "type.2d.image"
|
|
%44 = OpString "Texture2D.TemplateParam"
|
|
%48 = OpString "src.MainPs"
|
|
%52 = OpString "tc"
|
|
%54 = OpString "ps_output"
|
|
%57 = OpString "i"
|
|
%59 = OpString "@type.sampler"
|
|
%60 = OpString "type.sampler"
|
|
%62 = OpString "g_sAniso"
|
|
%64 = OpString "g_tColor2"
|
|
%66 = OpString "g_tColor"
|
|
OpName %type_2d_image "type.2d.image"
|
|
OpName %g_tColor "g_tColor"
|
|
OpName %g_tColor2 "g_tColor2"
|
|
OpName %type_sampler "type.sampler"
|
|
OpName %g_sAniso "g_sAniso"
|
|
OpName %in_var_TEXCOORD2 "in.var.TEXCOORD2"
|
|
OpName %out_var_SV_Target0 "out.var.SV_Target0"
|
|
OpName %MainPs "MainPs"
|
|
OpName %PS_INPUT "PS_INPUT"
|
|
OpMemberName %PS_INPUT 0 "vTextureCoords"
|
|
OpName %param_var_i "param.var.i"
|
|
OpName %PS_OUTPUT "PS_OUTPUT"
|
|
OpMemberName %PS_OUTPUT 0 "vColor"
|
|
OpName %type_sampled_image "type.sampled.image"
|
|
OpDecorate %in_var_TEXCOORD2 Location 0
|
|
OpDecorate %out_var_SV_Target0 Location 0
|
|
OpDecorate %g_tColor DescriptorSet 0
|
|
OpDecorate %g_tColor Binding 0
|
|
OpDecorate %g_tColor2 DescriptorSet 0
|
|
OpDecorate %g_tColor2 Binding 1
|
|
OpDecorate %g_sAniso DescriptorSet 0
|
|
OpDecorate %g_sAniso Binding 2
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%float = OpTypeFloat 32
|
|
%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
|
|
%_ptr_UniformConstant_type_2d_image = OpTypePointer UniformConstant %type_2d_image
|
|
%type_sampler = OpTypeSampler
|
|
%_ptr_UniformConstant_type_sampler = OpTypePointer UniformConstant %type_sampler
|
|
%v2float = OpTypeVector %float 2
|
|
%_ptr_Input_v2float = OpTypePointer Input %v2float
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%void = OpTypeVoid
|
|
%uint_128 = OpConstant %uint 128
|
|
%uint_0 = OpConstant %uint 0
|
|
%uint_64 = OpConstant %uint 64
|
|
%68 = OpTypeFunction %void
|
|
%PS_INPUT = OpTypeStruct %v2float
|
|
%_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT
|
|
%PS_OUTPUT = OpTypeStruct %v4float
|
|
%78 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT
|
|
%_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT
|
|
%_ptr_Function_v2float = OpTypePointer Function %v2float
|
|
%type_sampled_image = OpTypeSampledImage %type_2d_image
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%g_tColor = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
%g_tColor2 = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
;CHECK-NOT: %g_tColor2 = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
%g_sAniso = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
|
|
%in_var_TEXCOORD2 = OpVariable %_ptr_Input_v2float Input
|
|
%out_var_SV_Target0 = OpVariable %_ptr_Output_v4float Output
|
|
%40 = OpExtInst %void %1 DebugInfoNone
|
|
%56 = OpExtInst %void %1 DebugExpression
|
|
%23 = OpExtInst %void %1 DebugSource %21
|
|
%24 = OpExtInst %void %1 DebugCompilationUnit 1 4 %23 HLSL
|
|
%27 = OpExtInst %void %1 DebugTypeComposite %25 Structure %23 11 1 %24 %25 %uint_128 FlagIsProtected|FlagIsPrivate %28
|
|
%30 = OpExtInst %void %1 DebugTypeBasic %29 %uint_32 Float
|
|
%31 = OpExtInst %void %1 DebugTypeVector %30 4
|
|
%28 = OpExtInst %void %1 DebugTypeMember %32 %31 %23 13 5 %27 %uint_0 %uint_128 FlagIsProtected|FlagIsPrivate
|
|
%36 = OpExtInst %void %1 DebugTypeComposite %34 Structure %23 6 1 %24 %34 %uint_64 FlagIsProtected|FlagIsPrivate %37
|
|
%38 = OpExtInst %void %1 DebugTypeVector %30 2
|
|
%37 = OpExtInst %void %1 DebugTypeMember %39 %38 %23 8 5 %36 %uint_0 %uint_64 FlagIsProtected|FlagIsPrivate
|
|
%43 = OpExtInst %void %1 DebugTypeComposite %41 Class %23 0 0 %24 %42 %40 FlagIsProtected|FlagIsPrivate
|
|
%45 = OpExtInst %void %1 DebugTypeTemplateParameter %44 %30 %40 %23 0 0
|
|
%46 = OpExtInst %void %1 DebugTypeTemplate %43 %45
|
|
%47 = OpExtInst %void %1 DebugTypeFunction FlagIsProtected|FlagIsPrivate %27 %36
|
|
%49 = OpExtInst %void %1 DebugFunction %48 %47 %23 16 1 %24 %48 FlagIsProtected|FlagIsPrivate 17 %40
|
|
%51 = OpExtInst %void %1 DebugLexicalBlock %23 17 1 %49
|
|
%53 = OpExtInst %void %1 DebugLocalVariable %52 %38 %23 20 12 %51 FlagIsLocal
|
|
%55 = OpExtInst %void %1 DebugLocalVariable %54 %27 %23 18 15 %51 FlagIsLocal
|
|
%58 = OpExtInst %void %1 DebugLocalVariable %57 %36 %23 16 29 %49 FlagIsLocal 1
|
|
%61 = OpExtInst %void %1 DebugTypeComposite %59 Structure %23 0 0 %24 %60 %40 FlagIsProtected|FlagIsPrivate
|
|
%63 = OpExtInst %void %1 DebugGlobalVariable %62 %61 %23 4 14 %24 %62 %g_sAniso FlagIsDefinition
|
|
%65 = OpExtInst %void %1 DebugGlobalVariable %64 %43 %23 2 11 %24 %64 %g_tColor2 FlagIsDefinition
|
|
;CHECK-NOT: %65 = OpExtInst %void %1 DebugGlobalVariable %64 %43 %23 2 11 %24 %64 %g_tColor2 FlagIsDefinition
|
|
;CHECK: %65 = OpExtInst %void %1 DebugGlobalVariable %64 %43 %23 2 11 %24 %64 %40 FlagIsDefinition
|
|
%67 = OpExtInst %void %1 DebugGlobalVariable %66 %43 %23 1 11 %24 %66 %g_tColor FlagIsDefinition
|
|
%MainPs = OpFunction %void None %68
|
|
%69 = OpLabel
|
|
%117 = OpExtInst %void %1 DebugScope %51
|
|
%101 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%102 = OpVariable %_ptr_Function_v2float Function
|
|
%118 = OpExtInst %void %1 DebugNoScope
|
|
%103 = OpVariable %_ptr_Function_PS_OUTPUT Function
|
|
%param_var_i = OpVariable %_ptr_Function_PS_INPUT Function
|
|
%73 = OpLoad %v2float %in_var_TEXCOORD2
|
|
%74 = OpCompositeConstruct %PS_INPUT %73
|
|
OpStore %param_var_i %74
|
|
%119 = OpExtInst %void %1 DebugScope %49
|
|
%105 = OpExtInst %void %1 DebugDeclare %58 %param_var_i %56
|
|
%120 = OpExtInst %void %1 DebugScope %51
|
|
%106 = OpExtInst %void %1 DebugDeclare %55 %101 %56
|
|
OpLine %21 20 17
|
|
%107 = OpAccessChain %_ptr_Function_v2float %param_var_i %int_0
|
|
%108 = OpLoad %v2float %107
|
|
OpLine %21 20 12
|
|
OpStore %102 %108
|
|
%109 = OpExtInst %void %1 DebugDeclare %53 %102 %56
|
|
OpLine %21 21 26
|
|
%110 = OpLoad %type_2d_image %g_tColor
|
|
OpLine %21 21 46
|
|
%111 = OpLoad %type_sampler %g_sAniso
|
|
OpLine %21 21 57
|
|
%112 = OpLoad %v2float %102
|
|
OpLine %21 21 26
|
|
%113 = OpSampledImage %type_sampled_image %110 %111
|
|
%114 = OpImageSampleImplicitLod %v4float %113 %112 None
|
|
OpLine %21 21 5
|
|
%115 = OpAccessChain %_ptr_Function_v4float %101 %int_0
|
|
OpStore %115 %114
|
|
OpLine %21 22 12
|
|
%116 = OpLoad %PS_OUTPUT %101
|
|
OpLine %21 22 5
|
|
OpStore %103 %116
|
|
%121 = OpExtInst %void %1 DebugNoScope
|
|
%76 = OpLoad %PS_OUTPUT %103
|
|
%77 = OpCompositeExtract %v4float %76 0
|
|
OpStore %out_var_SV_Target0 %77
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_2);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, KeepDebugScopeParent) {
|
|
// Verify that local variable tc and its store are kept by DebugDeclare.
|
|
//
|
|
// Same shader source as DebugInfoInFunctionKeepStoreVarElim. The SPIR-V
|
|
// has just been inlined.
|
|
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "OpenCL.DebugInfo.100"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %out_var_SV_TARGET0
|
|
OpExecutionMode %main OriginUpperLeft
|
|
%11 = OpString "float"
|
|
%16 = OpString "t.hlsl"
|
|
%19 = OpString "src.main"
|
|
OpName %out_var_SV_TARGET0 "out.var.SV_TARGET0"
|
|
OpName %main "main"
|
|
OpDecorate %out_var_SV_TARGET0 Location 0
|
|
%float = OpTypeFloat 32
|
|
%float_0 = OpConstant %float 0
|
|
%v4float = OpTypeVector %float 4
|
|
%7 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
|
|
%uint = OpTypeInt 32 0
|
|
%uint_32 = OpConstant %uint 32
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%void = OpTypeVoid
|
|
%23 = OpTypeFunction %void
|
|
%26 = OpTypeFunction %v4float
|
|
%out_var_SV_TARGET0 = OpVariable %_ptr_Output_v4float Output
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%33 = OpExtInst %void %1 DebugInfoNone
|
|
%13 = OpExtInst %void %1 DebugTypeBasic %11 %uint_32 Float
|
|
%14 = OpExtInst %void %1 DebugTypeVector %13 4
|
|
%15 = OpExtInst %void %1 DebugTypeFunction FlagIsProtected|FlagIsPrivate %14
|
|
%17 = OpExtInst %void %1 DebugSource %16
|
|
%18 = OpExtInst %void %1 DebugCompilationUnit 1 4 %17 HLSL
|
|
%20 = OpExtInst %void %1 DebugFunction %19 %15 %17 1 1 %18 %19 FlagIsProtected|FlagIsPrivate 2 %33
|
|
%22 = OpExtInst %void %1 DebugLexicalBlock %17 2 1 %20
|
|
%main = OpFunction %void None %23
|
|
%24 = OpLabel
|
|
%31 = OpVariable %_ptr_Function_v4float Function
|
|
; CHECK: [[block:%\w+]] = OpExtInst %void %1 DebugLexicalBlock
|
|
; CHECK: DebugScope [[block]]
|
|
%34 = OpExtInst %void %1 DebugScope %22
|
|
OpLine %16 3 5
|
|
OpStore %31 %7
|
|
OpStore %out_var_SV_TARGET0 %7
|
|
%35 = OpExtInst %void %1 DebugNoScope
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<AggressiveDCEPass>(text, true);
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, KeepExportFunctions) {
|
|
// All functions are reachable. In particular, ExportedFunc and Constant are
|
|
// reachable because ExportedFunc is exported. Nothing should be removed.
|
|
const std::vector<const char*> text = {
|
|
// clang-format off
|
|
"OpCapability Shader",
|
|
"OpCapability Linkage",
|
|
"OpMemoryModel Logical GLSL450",
|
|
"OpEntryPoint Fragment %main \"main\"",
|
|
"OpName %main \"main\"",
|
|
"OpName %ExportedFunc \"ExportedFunc\"",
|
|
"OpName %Live \"Live\"",
|
|
"OpDecorate %ExportedFunc LinkageAttributes \"ExportedFunc\" Export",
|
|
"%void = OpTypeVoid",
|
|
"%7 = OpTypeFunction %void",
|
|
"%main = OpFunction %void None %7",
|
|
"%15 = OpLabel",
|
|
"OpReturn",
|
|
"OpFunctionEnd",
|
|
"%ExportedFunc = OpFunction %void None %7",
|
|
"%19 = OpLabel",
|
|
"%16 = OpFunctionCall %void %Live",
|
|
"OpReturn",
|
|
"OpFunctionEnd",
|
|
"%Live = OpFunction %void None %7",
|
|
"%20 = OpLabel",
|
|
"OpReturn",
|
|
"OpFunctionEnd"
|
|
// clang-format on
|
|
};
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
std::string assembly = JoinAllInsts(text);
|
|
auto result = SinglePassRunAndDisassemble<AggressiveDCEPass>(
|
|
assembly, /* skip_nop = */ true, /* do_validation = */ false);
|
|
EXPECT_EQ(Pass::Status::SuccessWithoutChange, std::get<1>(result));
|
|
EXPECT_EQ(assembly, std::get<0>(result));
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, KeepPrivateVarInExportFunctions) {
|
|
// The loads and stores from the private variable should not be removed
|
|
// because the functions are exported and could be called.
|
|
const std::string text = R"(OpCapability Shader
|
|
OpCapability Linkage
|
|
OpMemoryModel Logical GLSL450
|
|
OpSource HLSL 630
|
|
OpName %privateVar "privateVar"
|
|
OpName %ReadPrivate "ReadPrivate"
|
|
OpName %WritePrivate "WritePrivate"
|
|
OpName %value "value"
|
|
OpDecorate %ReadPrivate LinkageAttributes "ReadPrivate" Export
|
|
OpDecorate %WritePrivate LinkageAttributes "WritePrivate" Export
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Private_int = OpTypePointer Private %int
|
|
%6 = OpTypeFunction %int
|
|
%void = OpTypeVoid
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%10 = OpTypeFunction %void %_ptr_Function_int
|
|
%privateVar = OpVariable %_ptr_Private_int Private
|
|
%ReadPrivate = OpFunction %int None %6
|
|
%12 = OpLabel
|
|
%8 = OpLoad %int %privateVar
|
|
OpReturnValue %8
|
|
OpFunctionEnd
|
|
%WritePrivate = OpFunction %void None %10
|
|
%value = OpFunctionParameter %_ptr_Function_int
|
|
%13 = OpLabel
|
|
%14 = OpLoad %int %value
|
|
OpStore %privateVar %14
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
auto result = SinglePassRunAndDisassemble<AggressiveDCEPass>(
|
|
text, /* skip_nop = */ true, /* do_validation = */ false);
|
|
EXPECT_EQ(Pass::Status::SuccessWithoutChange, std::get<1>(result));
|
|
EXPECT_EQ(text, std::get<0>(result));
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, KeepLableNames) {
|
|
const std::string text = R"(OpCapability Shader
|
|
OpCapability Linkage
|
|
OpMemoryModel Logical GLSL450
|
|
OpSource HLSL 630
|
|
OpName %WritePrivate "WritePrivate"
|
|
OpName %entry "entry"
|
|
OpName %target "target"
|
|
OpDecorate %WritePrivate LinkageAttributes "WritePrivate" Export
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%WritePrivate = OpFunction %void None %3
|
|
%entry = OpLabel
|
|
OpBranch %target
|
|
%target = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
auto result = SinglePassRunAndDisassemble<AggressiveDCEPass>(
|
|
text, /* skip_nop = */ true, /* do_validation = */ false);
|
|
EXPECT_EQ(Pass::Status::SuccessWithoutChange, std::get<1>(result));
|
|
EXPECT_EQ(text, std::get<0>(result));
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, PreserveInterface) {
|
|
// Set preserve_interface to true. Verify that unused uniform
|
|
// constant in entry point interface is not eliminated.
|
|
const std::string text = R"(OpCapability RayTracingKHR
|
|
OpExtension "SPV_KHR_ray_tracing"
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint RayGenerationNV %2 "main" %3 %4
|
|
OpDecorate %3 Location 0
|
|
OpDecorate %4 DescriptorSet 2
|
|
OpDecorate %4 Binding 0
|
|
%void = OpTypeVoid
|
|
%6 = OpTypeFunction %void
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%float = OpTypeFloat 32
|
|
%_ptr_CallableDataNV_float = OpTypePointer CallableDataNV %float
|
|
%3 = OpVariable %_ptr_CallableDataNV_float CallableDataNV
|
|
%13 = OpTypeAccelerationStructureKHR
|
|
%_ptr_UniformConstant_13 = OpTypePointer UniformConstant %13
|
|
%4 = OpVariable %_ptr_UniformConstant_13 UniformConstant
|
|
%2 = OpFunction %void None %6
|
|
%15 = OpLabel
|
|
OpExecuteCallableKHR %uint_0 %3
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_2);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
auto result = SinglePassRunAndDisassemble<AggressiveDCEPass>(
|
|
text, /* skip_nop = */ true, /* do_validation = */ false,
|
|
/* preserve_interface */ true);
|
|
EXPECT_EQ(Pass::Status::SuccessWithoutChange, std::get<1>(result));
|
|
EXPECT_EQ(text, std::get<0>(result));
|
|
}
|
|
|
|
TEST_F(AggressiveDCETest, EmptyContinueWithConditionalBranch) {
|
|
const std::string text = R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %2 "main"
|
|
OpExecutionMode %2 OriginUpperLeft
|
|
%void = OpTypeVoid
|
|
%4 = OpTypeFunction %void
|
|
%bool = OpTypeBool
|
|
%false = OpConstantFalse %bool
|
|
%2 = OpFunction %void None %4
|
|
%9 = OpLabel
|
|
OpBranch %10
|
|
%10 = OpLabel
|
|
OpLoopMerge %11 %12 None
|
|
OpBranch %13
|
|
%13 = OpLabel
|
|
OpKill
|
|
%12 = OpLabel
|
|
OpBranchConditional %false %10 %10
|
|
%11 = OpLabel
|
|
OpUnreachable
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_2);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<AggressiveDCEPass>(text, text, false);
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace opt
|
|
} // namespace spvtools
|