mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-23 12:10:06 +00:00
a77bb2e54b
* Check rules from Execution Mode tables, 2.16.2 and the Vulkan environment spec * Allows MeshNV execution model with the following execution modes * LocalSize, LocalSizeId, OutputPoints and OutputVertices * Done to not break their validation
457 lines
13 KiB
C++
457 lines
13 KiB
C++
// Copyright (c) 2017 Google 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 "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 CFGCleanupTest = PassTest<::testing::Test>;
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TEST_F(CFGCleanupTest, RemoveUnreachableBlocks) {
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const std::string declarations = 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" %inf %outf4
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OpExecutionMode %main OriginUpperLeft
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OpSource GLSL 450
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OpName %main "main"
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OpName %inf "inf"
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OpName %outf4 "outf4"
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OpDecorate %inf Location 0
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OpDecorate %outf4 Location 0
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%void = OpTypeVoid
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%6 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%_ptr_Input_float = OpTypePointer Input %float
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%inf = OpVariable %_ptr_Input_float Input
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%float_2 = OpConstant %float 2
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%bool = OpTypeBool
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%v4float = OpTypeVector %float 4
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%outf4 = OpVariable %_ptr_Output_v4float Output
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%float_n0_5 = OpConstant %float -0.5
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)";
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const std::string body_before = R"(%main = OpFunction %void None %6
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%14 = OpLabel
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OpBranch %18
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%19 = OpLabel
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%20 = OpLoad %float %inf
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%21 = OpCompositeConstruct %v4float %20 %20 %20 %20
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OpStore %outf4 %21
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OpBranch %17
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%18 = OpLabel
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%22 = OpLoad %float %inf
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%23 = OpFAdd %float %22 %float_n0_5
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%24 = OpCompositeConstruct %v4float %23 %23 %23 %23
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OpStore %outf4 %24
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OpBranch %17
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%17 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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const std::string body_after = R"(%main = OpFunction %void None %6
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%14 = OpLabel
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OpBranch %15
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%15 = OpLabel
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%20 = OpLoad %float %inf
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%21 = OpFAdd %float %20 %float_n0_5
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%22 = OpCompositeConstruct %v4float %21 %21 %21 %21
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OpStore %outf4 %22
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OpBranch %19
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%19 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndCheck<CFGCleanupPass>(declarations + body_before,
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declarations + body_after, true, true);
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}
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TEST_F(CFGCleanupTest, RemoveDecorations) {
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const std::string before = 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"
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OpExecutionMode %main OriginUpperLeft
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OpName %main "main"
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OpName %x "x"
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OpName %dead "dead"
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OpDecorate %x RelaxedPrecision
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OpDecorate %dead RelaxedPrecision
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%void = OpTypeVoid
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%6 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%_ptr_Function_float = OpTypePointer Function %float
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%float_2 = OpConstant %float 2
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%float_4 = OpConstant %float 4
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%main = OpFunction %void None %6
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%14 = OpLabel
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%x = OpVariable %_ptr_Function_float Function
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OpBranch %18
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%19 = OpLabel
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%dead = OpVariable %_ptr_Function_float Function
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OpStore %dead %float_2
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OpBranch %17
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%18 = OpLabel
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OpStore %x %float_4
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OpBranch %17
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%17 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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const std::string after = 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"
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OpExecutionMode %main OriginUpperLeft
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OpName %main "main"
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OpName %x "x"
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OpDecorate %x RelaxedPrecision
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%void = OpTypeVoid
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%6 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%_ptr_Function_float = OpTypePointer Function %float
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%float_2 = OpConstant %float 2
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%float_4 = OpConstant %float 4
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%main = OpFunction %void None %6
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%11 = OpLabel
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%x = OpVariable %_ptr_Function_float Function
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OpBranch %12
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%12 = OpLabel
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OpStore %x %float_4
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OpBranch %14
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%14 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndCheck<CFGCleanupPass>(before, after, true, true);
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}
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TEST_F(CFGCleanupTest, UpdatePhis) {
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const std::string before = 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" %y %outparm
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OpExecutionMode %main OriginUpperLeft
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OpName %main "main"
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OpName %y "y"
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OpName %outparm "outparm"
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OpDecorate %y Flat
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OpDecorate %y Location 0
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OpDecorate %outparm Location 0
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%int = OpTypeInt 32 1
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%_ptr_Function_int = OpTypePointer Function %int
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%_ptr_Input_int = OpTypePointer Input %int
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%y = OpVariable %_ptr_Input_int Input
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%int_10 = OpConstant %int 10
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%bool = OpTypeBool
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%int_42 = OpConstant %int 42
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%int_23 = OpConstant %int 23
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%int_5 = OpConstant %int 5
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%_ptr_Output_int = OpTypePointer Output %int
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%outparm = OpVariable %_ptr_Output_int Output
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%main = OpFunction %void None %3
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%5 = OpLabel
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%11 = OpLoad %int %y
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OpBranch %21
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%16 = OpLabel
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%20 = OpIAdd %int %11 %int_42
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OpBranch %17
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%21 = OpLabel
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%24 = OpISub %int %11 %int_23
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OpBranch %17
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%17 = OpLabel
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%31 = OpPhi %int %20 %16 %24 %21
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%27 = OpIAdd %int %31 %int_5
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OpStore %outparm %27
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OpReturn
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OpFunctionEnd
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)";
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const std::string after = 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" %y %outparm
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OpExecutionMode %main OriginUpperLeft
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OpName %main "main"
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OpName %y "y"
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OpName %outparm "outparm"
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OpDecorate %y Flat
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OpDecorate %y Location 0
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OpDecorate %outparm Location 0
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%void = OpTypeVoid
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%6 = OpTypeFunction %void
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%int = OpTypeInt 32 1
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%_ptr_Function_int = OpTypePointer Function %int
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%_ptr_Input_int = OpTypePointer Input %int
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%y = OpVariable %_ptr_Input_int Input
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%int_10 = OpConstant %int 10
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%bool = OpTypeBool
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%int_42 = OpConstant %int 42
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%int_23 = OpConstant %int 23
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%int_5 = OpConstant %int 5
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%_ptr_Output_int = OpTypePointer Output %int
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%outparm = OpVariable %_ptr_Output_int Output
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%main = OpFunction %void None %6
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%16 = OpLabel
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%17 = OpLoad %int %y
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OpBranch %18
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%18 = OpLabel
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%22 = OpISub %int %17 %int_23
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OpBranch %21
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%21 = OpLabel
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%23 = OpPhi %int %22 %18
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%24 = OpIAdd %int %23 %int_5
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OpStore %outparm %24
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndCheck<CFGCleanupPass>(before, after, true, true);
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}
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TEST_F(CFGCleanupTest, RemoveNamedLabels) {
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const std::string before = 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 Vertex %main "main"
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OpSource GLSL 430
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OpName %main "main"
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OpName %dead "dead"
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%void = OpTypeVoid
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%5 = OpTypeFunction %void
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%main = OpFunction %void None %5
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%6 = OpLabel
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OpReturn
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%dead = OpLabel
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OpReturn
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OpFunctionEnd)";
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const std::string after = R"(OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Vertex %main "main"
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OpSource GLSL 430
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OpName %main "main"
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%void = OpTypeVoid
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%5 = OpTypeFunction %void
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%main = OpFunction %void None %5
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%6 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndCheck<CFGCleanupPass>(before, after, true, true);
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}
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TEST_F(CFGCleanupTest, RemovePhiArgsFromFarBlocks) {
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const std::string before = 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" %y %outparm
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OpExecutionMode %main OriginUpperLeft
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OpName %main "main"
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OpName %y "y"
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OpName %outparm "outparm"
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OpDecorate %y Flat
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OpDecorate %y Location 0
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OpDecorate %outparm Location 0
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%int = OpTypeInt 32 1
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%_ptr_Function_int = OpTypePointer Function %int
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%_ptr_Input_int = OpTypePointer Input %int
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%y = OpVariable %_ptr_Input_int Input
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%int_42 = OpConstant %int 42
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%_ptr_Output_int = OpTypePointer Output %int
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%outparm = OpVariable %_ptr_Output_int Output
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%int_14 = OpConstant %int 14
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%int_15 = OpConstant %int 15
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%int_5 = OpConstant %int 5
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%main = OpFunction %void None %3
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%5 = OpLabel
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OpBranch %40
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%41 = OpLabel
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%11 = OpLoad %int %y
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OpBranch %40
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%40 = OpLabel
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%12 = OpLoad %int %y
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OpSelectionMerge %16 None
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OpSwitch %12 %16 10 %13 13 %14 18 %15
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%13 = OpLabel
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OpBranch %16
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%14 = OpLabel
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OpStore %outparm %int_14
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OpBranch %16
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%15 = OpLabel
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OpStore %outparm %int_15
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OpBranch %16
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%16 = OpLabel
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%30 = OpPhi %int %11 %40 %int_42 %13 %11 %14 %11 %15
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%28 = OpIAdd %int %30 %int_5
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OpStore %outparm %28
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OpReturn
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OpFunctionEnd)";
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const std::string after = 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" %y %outparm
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OpExecutionMode %main OriginUpperLeft
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OpName %main "main"
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OpName %y "y"
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OpName %outparm "outparm"
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OpDecorate %y Flat
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OpDecorate %y Location 0
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OpDecorate %outparm Location 0
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%void = OpTypeVoid
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%6 = OpTypeFunction %void
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%int = OpTypeInt 32 1
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%_ptr_Function_int = OpTypePointer Function %int
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%_ptr_Input_int = OpTypePointer Input %int
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%y = OpVariable %_ptr_Input_int Input
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%int_42 = OpConstant %int 42
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%_ptr_Output_int = OpTypePointer Output %int
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%outparm = OpVariable %_ptr_Output_int Output
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%int_14 = OpConstant %int 14
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%int_15 = OpConstant %int 15
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%int_5 = OpConstant %int 5
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%26 = OpUndef %int
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%main = OpFunction %void None %6
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%15 = OpLabel
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OpBranch %16
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%16 = OpLabel
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%19 = OpLoad %int %y
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OpSelectionMerge %20 None
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OpSwitch %19 %20 10 %21 13 %22 18 %23
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%21 = OpLabel
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OpBranch %20
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%22 = OpLabel
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OpStore %outparm %int_14
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OpBranch %20
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%23 = OpLabel
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OpStore %outparm %int_15
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OpBranch %20
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%20 = OpLabel
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%24 = OpPhi %int %26 %16 %int_42 %21 %26 %22 %26 %23
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%25 = OpIAdd %int %24 %int_5
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OpStore %outparm %25
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndCheck<CFGCleanupPass>(before, after, true, true);
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}
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TEST_F(CFGCleanupTest, RemovePhiConstantArgs) {
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const std::string before = 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" %y %outparm
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OpExecutionMode %main OriginUpperLeft
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OpName %main "main"
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OpName %y "y"
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OpName %outparm "outparm"
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OpDecorate %y Flat
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OpDecorate %y Location 0
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OpDecorate %outparm Location 0
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%int = OpTypeInt 32 1
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%_ptr_Input_int = OpTypePointer Input %int
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%y = OpVariable %_ptr_Input_int Input
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%int_10 = OpConstant %int 10
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%bool = OpTypeBool
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%_ptr_Function_int = OpTypePointer Function %int
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%int_23 = OpConstant %int 23
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%int_5 = OpConstant %int 5
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%_ptr_Output_int = OpTypePointer Output %int
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%outparm = OpVariable %_ptr_Output_int Output
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%24 = OpUndef %int
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%main = OpFunction %void None %3
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%5 = OpLabel
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OpBranch %14
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%40 = OpLabel
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%9 = OpLoad %int %y
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%12 = OpSGreaterThan %bool %9 %int_10
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OpSelectionMerge %14 None
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OpBranchConditional %12 %13 %14
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%13 = OpLabel
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OpBranch %14
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%14 = OpLabel
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%25 = OpPhi %int %24 %5 %int_23 %13
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%20 = OpIAdd %int %25 %int_5
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OpStore %outparm %20
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OpReturn
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OpFunctionEnd)";
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const std::string after = 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" %y %outparm
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OpExecutionMode %main OriginUpperLeft
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OpName %main "main"
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OpName %y "y"
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OpName %outparm "outparm"
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OpDecorate %y Flat
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OpDecorate %y Location 0
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OpDecorate %outparm Location 0
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%void = OpTypeVoid
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%6 = OpTypeFunction %void
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%int = OpTypeInt 32 1
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%_ptr_Input_int = OpTypePointer Input %int
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%y = OpVariable %_ptr_Input_int Input
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%int_10 = OpConstant %int 10
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%bool = OpTypeBool
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%_ptr_Function_int = OpTypePointer Function %int
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%int_23 = OpConstant %int 23
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%int_5 = OpConstant %int 5
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%_ptr_Output_int = OpTypePointer Output %int
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%outparm = OpVariable %_ptr_Output_int Output
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%15 = OpUndef %int
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%main = OpFunction %void None %6
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%16 = OpLabel
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OpBranch %17
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%17 = OpLabel
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%22 = OpPhi %int %15 %16
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%23 = OpIAdd %int %22 %int_5
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OpStore %outparm %23
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndCheck<CFGCleanupPass>(before, after, true, true);
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}
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} // namespace
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} // namespace opt
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} // namespace spvtools
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