mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-25 21:10:04 +00:00
d35a78db57
Fixes #4960 * Switches to using enum classes with an underlying type to avoid undefined behaviour
953 lines
38 KiB
C++
953 lines
38 KiB
C++
// Copyright (c) 2022 The Khronos Group Inc.
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// Copyright (c) 2022 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 <unordered_set>
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#include "gmock/gmock.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 ElimDeadOutputStoresTest = PassTest<::testing::Test>;
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TEST_F(ElimDeadOutputStoresTest, VertMultipleLocations) {
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// #version 450
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//
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// layout(location = 2) out Vertex
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// {
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// vec4 color0;
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// vec4 color1;
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// vec4 color2[3];
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// } oVert;
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//
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// void main()
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// {
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// oVert.color0 = vec4(0.0,0.0,0.0,0.0);
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// oVert.color1 = vec4(0.1,0.0,0.0,0.0);
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// oVert.color2[0] = vec4(0.2,0.0,0.0,0.0);
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// oVert.color2[1] = vec4(0.3,0.0,0.0,0.0);
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// oVert.color2[2] = vec4(0.4,0.0,0.0,0.0);
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// }
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const std::string text = 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" %oVert
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OpSource GLSL 450
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OpName %main "main"
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OpName %Vertex "Vertex"
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OpMemberName %Vertex 0 "color0"
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OpMemberName %Vertex 1 "color1"
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OpMemberName %Vertex 2 "color2"
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OpName %oVert "oVert"
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OpDecorate %Vertex Block
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OpDecorate %oVert Location 2
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%uint = OpTypeInt 32 0
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%uint_3 = OpConstant %uint 3
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%_arr_v4float_uint_3 = OpTypeArray %v4float %uint_3
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%Vertex = OpTypeStruct %v4float %v4float %_arr_v4float_uint_3
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%_ptr_Output_Vertex = OpTypePointer Output %Vertex
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%oVert = OpVariable %_ptr_Output_Vertex Output
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%float_0 = OpConstant %float 0
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%17 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%int_1 = OpConstant %int 1
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%float_0_100000001 = OpConstant %float 0.100000001
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%22 = OpConstantComposite %v4float %float_0_100000001 %float_0 %float_0 %float_0
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%int_2 = OpConstant %int 2
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%float_0_200000003 = OpConstant %float 0.200000003
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%26 = OpConstantComposite %v4float %float_0_200000003 %float_0 %float_0 %float_0
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%float_0_300000012 = OpConstant %float 0.300000012
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%29 = OpConstantComposite %v4float %float_0_300000012 %float_0 %float_0 %float_0
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%float_0_400000006 = OpConstant %float 0.400000006
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%32 = OpConstantComposite %v4float %float_0_400000006 %float_0 %float_0 %float_0
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%main = OpFunction %void None %3
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%5 = OpLabel
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%19 = OpAccessChain %_ptr_Output_v4float %oVert %int_0
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OpStore %19 %17
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;CHECK: OpStore %19 %17
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%23 = OpAccessChain %_ptr_Output_v4float %oVert %int_1
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OpStore %23 %22
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;CHECK-NOT: OpStore %23 %22
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%27 = OpAccessChain %_ptr_Output_v4float %oVert %int_2 %int_0
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OpStore %27 %26
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;CHECK-NOT: OpStore %27 %26
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%30 = OpAccessChain %_ptr_Output_v4float %oVert %int_2 %int_1
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OpStore %30 %29
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;CHECK: OpStore %30 %29
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%33 = OpAccessChain %_ptr_Output_v4float %oVert %int_2 %int_2
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OpStore %33 %32
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;CHECK-NOT: OpStore %33 %32
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OpReturn
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OpFunctionEnd
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)";
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SetTargetEnv(SPV_ENV_VULKAN_1_3);
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SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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std::unordered_set<uint32_t> live_inputs;
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std::unordered_set<uint32_t> live_builtins;
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live_inputs.insert(2);
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live_inputs.insert(5);
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SinglePassRunAndMatch<EliminateDeadOutputStoresPass>(text, true, &live_inputs,
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&live_builtins);
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}
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TEST_F(ElimDeadOutputStoresTest, VertMatrix) {
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// #version 450
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//
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// layout(location = 2) out Vertex
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// {
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// vec4 color0;
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// vec4 color1;
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// mat4 color2;
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// mat4 color3;
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// mat4 color4;
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// } oVert;
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//
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// void main()
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// {
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// oVert.color0 = vec4(0.0,0.0,0.0,0.0);
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// oVert.color1 = vec4(0.1,0.0,0.0,0.0);
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// oVert.color2[2] = vec4(0.2,0.0,0.0,0.0);
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// oVert.color3[1] = vec4(0.3,0.0,0.0,0.0);
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// oVert.color4[0] = vec4(0.4,0.0,0.0,0.0);
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// }
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const std::string text = 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" %oVert
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OpSource GLSL 450
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OpName %main "main"
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OpName %Vertex "Vertex"
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OpMemberName %Vertex 0 "color0"
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OpMemberName %Vertex 1 "color1"
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OpMemberName %Vertex 2 "color2"
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OpMemberName %Vertex 3 "color3"
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OpMemberName %Vertex 4 "color4"
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OpName %oVert "oVert"
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OpDecorate %Vertex Block
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OpDecorate %oVert Location 2
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%mat4v4float = OpTypeMatrix %v4float 4
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%Vertex = OpTypeStruct %v4float %v4float %mat4v4float %mat4v4float %mat4v4float
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%_ptr_Output_Vertex = OpTypePointer Output %Vertex
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%oVert = OpVariable %_ptr_Output_Vertex Output
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%float_0 = OpConstant %float 0
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%15 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%int_1 = OpConstant %int 1
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%float_0_100000001 = OpConstant %float 0.100000001
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%20 = OpConstantComposite %v4float %float_0_100000001 %float_0 %float_0 %float_0
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%int_2 = OpConstant %int 2
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%float_0_200000003 = OpConstant %float 0.200000003
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%24 = OpConstantComposite %v4float %float_0_200000003 %float_0 %float_0 %float_0
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%int_3 = OpConstant %int 3
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%float_0_300000012 = OpConstant %float 0.300000012
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%28 = OpConstantComposite %v4float %float_0_300000012 %float_0 %float_0 %float_0
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%int_4 = OpConstant %int 4
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%float_0_400000006 = OpConstant %float 0.400000006
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%32 = OpConstantComposite %v4float %float_0_400000006 %float_0 %float_0 %float_0
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%main = OpFunction %void None %3
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%5 = OpLabel
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%17 = OpAccessChain %_ptr_Output_v4float %oVert %int_0
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OpStore %17 %15
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; CHECK: OpStore %17 %15
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%21 = OpAccessChain %_ptr_Output_v4float %oVert %int_1
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OpStore %21 %20
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; CHECK-NOT: OpStore %21 %20
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%25 = OpAccessChain %_ptr_Output_v4float %oVert %int_2 %int_2
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OpStore %25 %24
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; CHECK-NOT: OpStore %25 %24
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%29 = OpAccessChain %_ptr_Output_v4float %oVert %int_3 %int_1
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OpStore %29 %28
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; CHECK: OpStore %29 %28
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%33 = OpAccessChain %_ptr_Output_v4float %oVert %int_4 %int_0
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OpStore %33 %32
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; CHECK-NOT: OpStore %33 %32
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OpReturn
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OpFunctionEnd
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)";
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SetTargetEnv(SPV_ENV_VULKAN_1_3);
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SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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std::unordered_set<uint32_t> live_inputs;
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std::unordered_set<uint32_t> live_builtins;
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live_inputs.insert(2);
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live_inputs.insert(8);
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live_inputs.insert(9);
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live_inputs.insert(10);
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live_inputs.insert(11);
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SinglePassRunAndMatch<EliminateDeadOutputStoresPass>(text, true, &live_inputs,
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&live_builtins);
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}
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TEST_F(ElimDeadOutputStoresTest, VertMemberLocs) {
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// #version 450
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//
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// out Vertex
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// {
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// layout (location = 1) vec4 Cd;
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// layout (location = 0) vec2 uv;
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// } oVert;
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//
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// layout (location = 0) in vec3 P;
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//
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// void main()
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// {
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// oVert.uv = vec2(0.1, 0.7);
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// oVert.Cd = vec4(1, 0.5, 0, 1);
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// gl_Position = vec4(P, 1);
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// }
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const std::string text = 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" %oVert %_ %P
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OpSource GLSL 450
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OpName %main "main"
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OpName %Vertex "Vertex"
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OpMemberName %Vertex 0 "Cd"
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OpMemberName %Vertex 1 "uv"
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OpName %oVert "oVert"
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OpName %gl_PerVertex "gl_PerVertex"
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OpMemberName %gl_PerVertex 0 "gl_Position"
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OpMemberName %gl_PerVertex 1 "gl_PointSize"
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OpMemberName %gl_PerVertex 2 "gl_ClipDistance"
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OpMemberName %gl_PerVertex 3 "gl_CullDistance"
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OpName %_ ""
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OpName %P "P"
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OpMemberDecorate %Vertex 0 Location 1
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OpMemberDecorate %Vertex 1 Location 0
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OpDecorate %Vertex Block
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OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
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OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize
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OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance
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OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance
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OpDecorate %gl_PerVertex Block
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OpDecorate %P Location 0
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%v2float = OpTypeVector %float 2
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%Vertex = OpTypeStruct %v4float %v2float
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%_ptr_Output_Vertex = OpTypePointer Output %Vertex
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%oVert = OpVariable %_ptr_Output_Vertex Output
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%int = OpTypeInt 32 1
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%int_1 = OpConstant %int 1
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%float_0_100000001 = OpConstant %float 0.100000001
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%float_0_699999988 = OpConstant %float 0.699999988
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%16 = OpConstantComposite %v2float %float_0_100000001 %float_0_699999988
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%_ptr_Output_v2float = OpTypePointer Output %v2float
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%int_0 = OpConstant %int 0
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%float_1 = OpConstant %float 1
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%float_0_5 = OpConstant %float 0.5
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%float_0 = OpConstant %float 0
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%23 = OpConstantComposite %v4float %float_1 %float_0_5 %float_0 %float_1
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%uint = OpTypeInt 32 0
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%uint_1 = OpConstant %uint 1
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%_arr_float_uint_1 = OpTypeArray %float %uint_1
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%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1
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%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex
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%_ = OpVariable %_ptr_Output_gl_PerVertex Output
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%v3float = OpTypeVector %float 3
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%_ptr_Input_v3float = OpTypePointer Input %v3float
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%P = OpVariable %_ptr_Input_v3float Input
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%main = OpFunction %void None %3
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%5 = OpLabel
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%18 = OpAccessChain %_ptr_Output_v2float %oVert %int_1
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OpStore %18 %16
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; CHECK-NOT: OpStore %18 %16
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%25 = OpAccessChain %_ptr_Output_v4float %oVert %int_0
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OpStore %25 %23
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; CHECK: OpStore %25 %23
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%35 = OpLoad %v3float %P
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%36 = OpCompositeExtract %float %35 0
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%37 = OpCompositeExtract %float %35 1
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%38 = OpCompositeExtract %float %35 2
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%39 = OpCompositeConstruct %v4float %36 %37 %38 %float_1
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%40 = OpAccessChain %_ptr_Output_v4float %_ %int_0
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OpStore %40 %39
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OpReturn
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OpFunctionEnd
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)";
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SetTargetEnv(SPV_ENV_VULKAN_1_3);
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SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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std::unordered_set<uint32_t> live_inputs;
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std::unordered_set<uint32_t> live_builtins;
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live_inputs.insert(1);
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SinglePassRunAndMatch<EliminateDeadOutputStoresPass>(text, true, &live_inputs,
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&live_builtins);
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}
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TEST_F(ElimDeadOutputStoresTest, ArrayedOutput) {
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// Tests elimination of arrayed output as seen in Tesc shaders.
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//
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// #version 450
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//
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// layout (vertices = 4) out;
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//
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// layout (location = 0) in vec3 N[];
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// layout (location = 1) in vec3 P[];
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//
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// layout (location = 5) out Vertex
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// {
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// vec4 c;
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// vec3 n;
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// vec3 f[10];
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// } oVert[];
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//
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// void main()
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// {
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// oVert[gl_InvocationID].c = vec4(1, 0, 0, 1);
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// oVert[gl_InvocationID].n = N[gl_InvocationID];
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// oVert[gl_InvocationID].f[3] = vec3(0, 1, 0);
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// vec4 worldSpacePos = vec4(P[gl_InvocationID], 1);
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// gl_out[gl_InvocationID].gl_Position = worldSpacePos;
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// }
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const std::string text = R"(
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OpCapability Tessellation
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint TessellationControl %main "main" %oVert %gl_InvocationID %N %P %gl_out
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OpExecutionMode %main OutputVertices 4
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OpSource GLSL 450
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OpName %main "main"
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OpName %Vertex "Vertex"
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OpMemberName %Vertex 0 "c"
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OpMemberName %Vertex 1 "n"
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OpMemberName %Vertex 2 "f"
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OpName %oVert "oVert"
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OpName %gl_InvocationID "gl_InvocationID"
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OpName %N "N"
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OpName %P "P"
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OpName %gl_PerVertex "gl_PerVertex"
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OpMemberName %gl_PerVertex 0 "gl_Position"
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OpMemberName %gl_PerVertex 1 "gl_PointSize"
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OpMemberName %gl_PerVertex 2 "gl_ClipDistance"
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OpMemberName %gl_PerVertex 3 "gl_CullDistance"
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OpName %gl_out "gl_out"
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OpDecorate %Vertex Block
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OpDecorate %oVert Location 5
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OpDecorate %gl_InvocationID BuiltIn InvocationId
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OpDecorate %N Location 0
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OpDecorate %P Location 1
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OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
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OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize
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OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance
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OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance
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OpDecorate %gl_PerVertex Block
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%v3float = OpTypeVector %float 3
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%uint = OpTypeInt 32 0
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%uint_10 = OpConstant %uint 10
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%_arr_v3float_uint_10 = OpTypeArray %v3float %uint_10
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%Vertex = OpTypeStruct %v4float %v3float %_arr_v3float_uint_10
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%uint_4 = OpConstant %uint 4
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%_arr_Vertex_uint_4 = OpTypeArray %Vertex %uint_4
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%_ptr_Output__arr_Vertex_uint_4 = OpTypePointer Output %_arr_Vertex_uint_4
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%oVert = OpVariable %_ptr_Output__arr_Vertex_uint_4 Output
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%int = OpTypeInt 32 1
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%_ptr_Input_int = OpTypePointer Input %int
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%gl_InvocationID = OpVariable %_ptr_Input_int Input
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%int_0 = OpConstant %int 0
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%float_1 = OpConstant %float 1
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%float_0 = OpConstant %float 0
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%24 = OpConstantComposite %v4float %float_1 %float_0 %float_0 %float_1
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%int_1 = OpConstant %int 1
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%uint_32 = OpConstant %uint 32
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%_arr_v3float_uint_32 = OpTypeArray %v3float %uint_32
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%_ptr_Input__arr_v3float_uint_32 = OpTypePointer Input %_arr_v3float_uint_32
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%N = OpVariable %_ptr_Input__arr_v3float_uint_32 Input
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%_ptr_Input_v3float = OpTypePointer Input %v3float
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%_ptr_Output_v3float = OpTypePointer Output %v3float
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%int_2 = OpConstant %int 2
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%int_3 = OpConstant %int 3
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%42 = OpConstantComposite %v3float %float_0 %float_1 %float_0
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%P = OpVariable %_ptr_Input__arr_v3float_uint_32 Input
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%uint_1 = OpConstant %uint 1
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%_arr_float_uint_1 = OpTypeArray %float %uint_1
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%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1
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%_arr_gl_PerVertex_uint_4 = OpTypeArray %gl_PerVertex %uint_4
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%_ptr_Output__arr_gl_PerVertex_uint_4 = OpTypePointer Output %_arr_gl_PerVertex_uint_4
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%gl_out = OpVariable %_ptr_Output__arr_gl_PerVertex_uint_4 Output
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%main = OpFunction %void None %3
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%5 = OpLabel
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%20 = OpLoad %int %gl_InvocationID
|
|
%26 = OpAccessChain %_ptr_Output_v4float %oVert %20 %int_0
|
|
OpStore %26 %24
|
|
; CHECK: OpStore %26 %24
|
|
%35 = OpAccessChain %_ptr_Input_v3float %N %20
|
|
%36 = OpLoad %v3float %35
|
|
%38 = OpAccessChain %_ptr_Output_v3float %oVert %20 %int_1
|
|
OpStore %38 %36
|
|
; CHECK-NOT: OpStore %38 %36
|
|
%43 = OpAccessChain %_ptr_Output_v3float %oVert %20 %int_2 %int_3
|
|
OpStore %43 %42
|
|
; CHECK: OpStore %43 %42
|
|
%48 = OpAccessChain %_ptr_Input_v3float %P %20
|
|
%49 = OpLoad %v3float %48
|
|
%50 = OpCompositeExtract %float %49 0
|
|
%51 = OpCompositeExtract %float %49 1
|
|
%52 = OpCompositeExtract %float %49 2
|
|
%53 = OpCompositeConstruct %v4float %50 %51 %52 %float_1
|
|
%62 = OpAccessChain %_ptr_Output_v4float %gl_out %20 %int_0
|
|
OpStore %62 %53
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_3);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
std::unordered_set<uint32_t> live_inputs;
|
|
std::unordered_set<uint32_t> live_builtins;
|
|
live_inputs.insert(5);
|
|
live_inputs.insert(10);
|
|
SinglePassRunAndMatch<EliminateDeadOutputStoresPass>(text, true, &live_inputs,
|
|
&live_builtins);
|
|
}
|
|
|
|
TEST_F(ElimDeadOutputStoresTest, ArrayedOutputMemberLocs) {
|
|
// Tests elimination of member location with arrayed output as seen in
|
|
// Tesc shaders.
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout (vertices = 4) out;
|
|
//
|
|
// layout (location = 0) in vec3 N[];
|
|
// layout (location = 1) in vec3 P[];
|
|
//
|
|
// out Vertex
|
|
// {
|
|
// layout (location = 1) vec4 c;
|
|
// layout (location = 3) vec3 n;
|
|
// layout (location = 5) vec3 f[10];
|
|
// } oVert[];
|
|
//
|
|
// void main()
|
|
// {
|
|
// oVert[gl_InvocationID].c = vec4(1, 0, 0, 1);
|
|
// oVert[gl_InvocationID].n = N[gl_InvocationID];
|
|
// oVert[gl_InvocationID].f[3] = vec3(0, 1, 0);
|
|
// vec4 worldSpacePos = vec4(P[gl_InvocationID], 1);
|
|
// gl_out[gl_InvocationID].gl_Position = worldSpacePos;
|
|
// }
|
|
const std::string text = R"(
|
|
OpCapability Tessellation
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint TessellationControl %main "main" %oVert %gl_InvocationID %N %P %gl_out
|
|
OpExecutionMode %main OutputVertices 4
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %Vertex "Vertex"
|
|
OpMemberName %Vertex 0 "c"
|
|
OpMemberName %Vertex 1 "n"
|
|
OpMemberName %Vertex 2 "f"
|
|
OpName %oVert "oVert"
|
|
OpName %gl_InvocationID "gl_InvocationID"
|
|
OpName %N "N"
|
|
OpName %P "P"
|
|
OpName %gl_PerVertex "gl_PerVertex"
|
|
OpMemberName %gl_PerVertex 0 "gl_Position"
|
|
OpMemberName %gl_PerVertex 1 "gl_PointSize"
|
|
OpMemberName %gl_PerVertex 2 "gl_ClipDistance"
|
|
OpMemberName %gl_PerVertex 3 "gl_CullDistance"
|
|
OpName %gl_out "gl_out"
|
|
OpMemberDecorate %Vertex 0 Location 1
|
|
OpMemberDecorate %Vertex 1 Location 3
|
|
OpMemberDecorate %Vertex 2 Location 5
|
|
OpDecorate %Vertex Block
|
|
OpDecorate %gl_InvocationID BuiltIn InvocationId
|
|
OpDecorate %N Location 0
|
|
OpDecorate %P Location 1
|
|
OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
|
|
OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize
|
|
OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance
|
|
OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance
|
|
OpDecorate %gl_PerVertex Block
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%v3float = OpTypeVector %float 3
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_v3float_uint_10 = OpTypeArray %v3float %uint_10
|
|
%Vertex = OpTypeStruct %v4float %v3float %_arr_v3float_uint_10
|
|
%uint_4 = OpConstant %uint 4
|
|
%_arr_Vertex_uint_4 = OpTypeArray %Vertex %uint_4
|
|
%_ptr_Output__arr_Vertex_uint_4 = OpTypePointer Output %_arr_Vertex_uint_4
|
|
%oVert = OpVariable %_ptr_Output__arr_Vertex_uint_4 Output
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Input_int = OpTypePointer Input %int
|
|
%gl_InvocationID = OpVariable %_ptr_Input_int Input
|
|
%int_0 = OpConstant %int 0
|
|
%float_1 = OpConstant %float 1
|
|
%float_0 = OpConstant %float 0
|
|
%24 = OpConstantComposite %v4float %float_1 %float_0 %float_0 %float_1
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%int_1 = OpConstant %int 1
|
|
%uint_32 = OpConstant %uint 32
|
|
%_arr_v3float_uint_32 = OpTypeArray %v3float %uint_32
|
|
%_ptr_Input__arr_v3float_uint_32 = OpTypePointer Input %_arr_v3float_uint_32
|
|
%N = OpVariable %_ptr_Input__arr_v3float_uint_32 Input
|
|
%_ptr_Input_v3float = OpTypePointer Input %v3float
|
|
%_ptr_Output_v3float = OpTypePointer Output %v3float
|
|
%int_2 = OpConstant %int 2
|
|
%int_3 = OpConstant %int 3
|
|
%42 = OpConstantComposite %v3float %float_0 %float_1 %float_0
|
|
%P = OpVariable %_ptr_Input__arr_v3float_uint_32 Input
|
|
%uint_1 = OpConstant %uint 1
|
|
%_arr_float_uint_1 = OpTypeArray %float %uint_1
|
|
%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1
|
|
%_arr_gl_PerVertex_uint_4 = OpTypeArray %gl_PerVertex %uint_4
|
|
%_ptr_Output__arr_gl_PerVertex_uint_4 = OpTypePointer Output %_arr_gl_PerVertex_uint_4
|
|
%gl_out = OpVariable %_ptr_Output__arr_gl_PerVertex_uint_4 Output
|
|
%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%20 = OpLoad %int %gl_InvocationID
|
|
%26 = OpAccessChain %_ptr_Output_v4float %oVert %20 %int_0
|
|
OpStore %26 %24
|
|
;CHECK: OpStore %26 %24
|
|
%35 = OpAccessChain %_ptr_Input_v3float %N %20
|
|
%36 = OpLoad %v3float %35
|
|
%38 = OpAccessChain %_ptr_Output_v3float %oVert %20 %int_1
|
|
OpStore %38 %36
|
|
;CHECK-NOT: OpStore %38 %36
|
|
%43 = OpAccessChain %_ptr_Output_v3float %oVert %20 %int_2 %int_3
|
|
OpStore %43 %42
|
|
;CHECK: OpStore %43 %42
|
|
%48 = OpAccessChain %_ptr_Input_v3float %P %20
|
|
%49 = OpLoad %v3float %48
|
|
%50 = OpCompositeExtract %float %49 0
|
|
%51 = OpCompositeExtract %float %49 1
|
|
%52 = OpCompositeExtract %float %49 2
|
|
%53 = OpCompositeConstruct %v4float %50 %51 %52 %float_1
|
|
%62 = OpAccessChain %_ptr_Output_v4float %gl_out %20 %int_0
|
|
OpStore %62 %53
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_3);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
std::unordered_set<uint32_t> live_inputs;
|
|
std::unordered_set<uint32_t> live_builtins;
|
|
live_inputs.insert(1);
|
|
live_inputs.insert(8);
|
|
SinglePassRunAndMatch<EliminateDeadOutputStoresPass>(text, true, &live_inputs,
|
|
&live_builtins);
|
|
}
|
|
|
|
TEST_F(ElimDeadOutputStoresTest, ScalarBuiltins) {
|
|
// Tests elimination of scalar builtins as seen in vert shaders.
|
|
//
|
|
// #version 460
|
|
//
|
|
// layout (location = 0) in vec3 P;
|
|
//
|
|
// void main()
|
|
// {
|
|
// gl_Position = vec4(P, 1.0);
|
|
// gl_PointSize = 1.0;
|
|
// }
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %main "main" %_ %P
|
|
OpSource GLSL 460
|
|
OpName %main "main"
|
|
OpName %gl_PerVertex "gl_PerVertex"
|
|
OpMemberName %gl_PerVertex 0 "gl_Position"
|
|
OpMemberName %gl_PerVertex 1 "gl_PointSize"
|
|
OpMemberName %gl_PerVertex 2 "gl_ClipDistance"
|
|
OpMemberName %gl_PerVertex 3 "gl_CullDistance"
|
|
OpName %_ ""
|
|
OpName %P "P"
|
|
OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
|
|
OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize
|
|
OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance
|
|
OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance
|
|
OpDecorate %gl_PerVertex Block
|
|
OpDecorate %P Location 0
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%uint = OpTypeInt 32 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%_arr_float_uint_1 = OpTypeArray %float %uint_1
|
|
%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1
|
|
%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex
|
|
%_ = OpVariable %_ptr_Output_gl_PerVertex Output
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%v3float = OpTypeVector %float 3
|
|
%_ptr_Input_v3float = OpTypePointer Input %v3float
|
|
%P = OpVariable %_ptr_Input_v3float Input
|
|
%float_1 = OpConstant %float 1
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%19 = OpLoad %v3float %P
|
|
%21 = OpCompositeExtract %float %19 0
|
|
%22 = OpCompositeExtract %float %19 1
|
|
%23 = OpCompositeExtract %float %19 2
|
|
%24 = OpCompositeConstruct %v4float %21 %22 %23 %float_1
|
|
%26 = OpAccessChain %_ptr_Output_v4float %_ %int_0
|
|
OpStore %26 %24
|
|
;CHECK: OpStore %26 %24
|
|
%29 = OpAccessChain %_ptr_Output_float %_ %int_1
|
|
OpStore %29 %float_1
|
|
;CHECK-NOT: OpStore %29 %float_1
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_3);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
std::unordered_set<uint32_t> live_inputs;
|
|
std::unordered_set<uint32_t> live_builtins;
|
|
// Omit spv::BuiltIn::PointSize
|
|
live_builtins.insert((uint32_t)spv::BuiltIn::ClipDistance);
|
|
live_builtins.insert((uint32_t)spv::BuiltIn::CullDistance);
|
|
SinglePassRunAndMatch<EliminateDeadOutputStoresPass>(text, true, &live_inputs,
|
|
&live_builtins);
|
|
}
|
|
|
|
TEST_F(ElimDeadOutputStoresTest, ArrayedBuiltins) {
|
|
// Tests elimination of arrayed builtins as seen in geom, tesc, and tese
|
|
// shaders.
|
|
//
|
|
// #version 460
|
|
//
|
|
// layout(triangle_strip, max_vertices = 3) out;
|
|
// layout(triangles) in;
|
|
//
|
|
// void main()
|
|
// {
|
|
// for (int i = 0; i < 3; i++)
|
|
// {
|
|
// gl_Position = gl_in[i].gl_Position;
|
|
// gl_PointSize = gl_in[i].gl_PointSize;
|
|
//
|
|
// EmitVertex();
|
|
// }
|
|
//
|
|
// EndPrimitive();
|
|
// }
|
|
const std::string text = R"(
|
|
OpCapability Geometry
|
|
OpCapability GeometryPointSize
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Geometry %main "main" %_ %gl_in
|
|
OpExecutionMode %main Triangles
|
|
OpExecutionMode %main Invocations 1
|
|
OpExecutionMode %main OutputTriangleStrip
|
|
OpExecutionMode %main OutputVertices 3
|
|
OpSource GLSL 460
|
|
OpName %main "main"
|
|
OpName %i "i"
|
|
OpName %gl_PerVertex "gl_PerVertex"
|
|
OpMemberName %gl_PerVertex 0 "gl_Position"
|
|
OpMemberName %gl_PerVertex 1 "gl_PointSize"
|
|
OpMemberName %gl_PerVertex 2 "gl_ClipDistance"
|
|
OpMemberName %gl_PerVertex 3 "gl_CullDistance"
|
|
OpName %_ ""
|
|
OpName %gl_PerVertex_0 "gl_PerVertex"
|
|
OpMemberName %gl_PerVertex_0 0 "gl_Position"
|
|
OpMemberName %gl_PerVertex_0 1 "gl_PointSize"
|
|
OpMemberName %gl_PerVertex_0 2 "gl_ClipDistance"
|
|
OpMemberName %gl_PerVertex_0 3 "gl_CullDistance"
|
|
OpName %gl_in "gl_in"
|
|
OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
|
|
OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize
|
|
OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance
|
|
OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance
|
|
OpDecorate %gl_PerVertex Block
|
|
OpMemberDecorate %gl_PerVertex_0 0 BuiltIn Position
|
|
OpMemberDecorate %gl_PerVertex_0 1 BuiltIn PointSize
|
|
OpMemberDecorate %gl_PerVertex_0 2 BuiltIn ClipDistance
|
|
OpMemberDecorate %gl_PerVertex_0 3 BuiltIn CullDistance
|
|
OpDecorate %gl_PerVertex_0 Block
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%int = OpTypeInt 32 1
|
|
%_ptr_Function_int = OpTypePointer Function %int
|
|
%int_0 = OpConstant %int 0
|
|
%int_3 = OpConstant %int 3
|
|
%bool = OpTypeBool
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%uint = OpTypeInt 32 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%_arr_float_uint_1 = OpTypeArray %float %uint_1
|
|
%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1
|
|
%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex
|
|
%_ = OpVariable %_ptr_Output_gl_PerVertex Output
|
|
%gl_PerVertex_0 = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1
|
|
%uint_3 = OpConstant %uint 3
|
|
%_arr_gl_PerVertex_0_uint_3 = OpTypeArray %gl_PerVertex_0 %uint_3
|
|
%_ptr_Input__arr_gl_PerVertex_0_uint_3 = OpTypePointer Input %_arr_gl_PerVertex_0_uint_3
|
|
%gl_in = OpVariable %_ptr_Input__arr_gl_PerVertex_0_uint_3 Input
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%i = OpVariable %_ptr_Function_int Function
|
|
OpStore %i %int_0
|
|
OpBranch %10
|
|
%10 = OpLabel
|
|
OpLoopMerge %12 %13 None
|
|
OpBranch %14
|
|
%14 = OpLabel
|
|
%15 = OpLoad %int %i
|
|
%18 = OpSLessThan %bool %15 %int_3
|
|
OpBranchConditional %18 %11 %12
|
|
%11 = OpLabel
|
|
%32 = OpLoad %int %i
|
|
%34 = OpAccessChain %_ptr_Input_v4float %gl_in %32 %int_0
|
|
%35 = OpLoad %v4float %34
|
|
%37 = OpAccessChain %_ptr_Output_v4float %_ %int_0
|
|
OpStore %37 %35
|
|
;CHECK: OpStore %37 %35
|
|
%39 = OpLoad %int %i
|
|
%41 = OpAccessChain %_ptr_Input_float %gl_in %39 %int_1
|
|
%42 = OpLoad %float %41
|
|
%44 = OpAccessChain %_ptr_Output_float %_ %int_1
|
|
OpStore %44 %42
|
|
;CHECK-NOT: OpStore %44 %42
|
|
OpEmitVertex
|
|
OpBranch %13
|
|
%13 = OpLabel
|
|
%45 = OpLoad %int %i
|
|
%46 = OpIAdd %int %45 %int_1
|
|
OpStore %i %46
|
|
OpBranch %10
|
|
%12 = OpLabel
|
|
OpEndPrimitive
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_3);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
std::unordered_set<uint32_t> live_inputs;
|
|
std::unordered_set<uint32_t> live_builtins;
|
|
// Omit spv::BuiltIn::PointSize
|
|
live_builtins.insert((uint32_t)spv::BuiltIn::ClipDistance);
|
|
live_builtins.insert((uint32_t)spv::BuiltIn::CullDistance);
|
|
SinglePassRunAndMatch<EliminateDeadOutputStoresPass>(text, true, &live_inputs,
|
|
&live_builtins);
|
|
}
|
|
|
|
TEST_F(ElimDeadOutputStoresTest, ArrayedOutputPatchLocs) {
|
|
// Tests elimination of location with arrayed patch output as seen in
|
|
// Tesc shaders.
|
|
//
|
|
// #version 450 core
|
|
//
|
|
// layout(vertices = 4) out;
|
|
//
|
|
// layout(location=0) patch out float patchOut0[2];
|
|
// layout(location=2) patch out float patchOut1[2];
|
|
//
|
|
// void main()
|
|
// {
|
|
// patchOut0[1] = 0.0; // Dead loc 1
|
|
// patchOut1[1] = 1.0; // Live loc 3
|
|
// }
|
|
const std::string text = R"(
|
|
OpCapability Tessellation
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint TessellationControl %main "main" %patchOut0 %patchOut1
|
|
OpExecutionMode %main OutputVertices 4
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %patchOut0 "patchOut0"
|
|
OpName %patchOut1 "patchOut1"
|
|
OpDecorate %patchOut0 Patch
|
|
OpDecorate %patchOut0 Location 0
|
|
OpDecorate %patchOut1 Patch
|
|
OpDecorate %patchOut1 Location 2
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%uint = OpTypeInt 32 0
|
|
%uint_2 = OpConstant %uint 2
|
|
%_arr_float_uint_2 = OpTypeArray %float %uint_2
|
|
%_ptr_Output__arr_float_uint_2 = OpTypePointer Output %_arr_float_uint_2
|
|
%patchOut0 = OpVariable %_ptr_Output__arr_float_uint_2 Output
|
|
%int = OpTypeInt 32 1
|
|
%int_1 = OpConstant %int 1
|
|
%float_0 = OpConstant %float 0
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%patchOut1 = OpVariable %_ptr_Output__arr_float_uint_2 Output
|
|
%float_1 = OpConstant %float 1
|
|
%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%16 = OpAccessChain %_ptr_Output_float %patchOut0 %int_1
|
|
OpStore %16 %float_0
|
|
;CHECK-NOT: OpStore %16 %float_0
|
|
%19 = OpAccessChain %_ptr_Output_float %patchOut1 %int_1
|
|
OpStore %19 %float_1
|
|
;CHECK: OpStore %19 %float_1
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_3);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
std::unordered_set<uint32_t> live_inputs;
|
|
std::unordered_set<uint32_t> live_builtins;
|
|
live_inputs.insert(3);
|
|
SinglePassRunAndMatch<EliminateDeadOutputStoresPass>(text, true, &live_inputs,
|
|
&live_builtins);
|
|
}
|
|
|
|
TEST_F(ElimDeadOutputStoresTest, VertMultipleLocationsF16) {
|
|
// #version 450
|
|
//
|
|
// layout(location = 2) out Vertex
|
|
// {
|
|
// f16vec4 color0;
|
|
// f16vec4 color1;
|
|
// f16vec4 color2[3];
|
|
// } oVert;
|
|
//
|
|
// void main()
|
|
// {
|
|
// oVert.color0 = f16vec4(0.0,0.0,0.0,0.0);
|
|
// oVert.color1 = f16vec4(0.1,0.0,0.0,0.0);
|
|
// oVert.color2[0] = f16vec4(0.2,0.0,0.0,0.0);
|
|
// oVert.color2[1] = f16vec4(0.3,0.0,0.0,0.0);
|
|
// oVert.color2[2] = f16vec4(0.4,0.0,0.0,0.0);
|
|
// }
|
|
const std::string text = R"(
|
|
OpCapability Shader
|
|
OpCapability Float16
|
|
OpCapability StorageInputOutput16
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %main "main" %oVert
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %Vertex "Vertex"
|
|
OpMemberName %Vertex 0 "color0"
|
|
OpMemberName %Vertex 1 "color1"
|
|
OpMemberName %Vertex 2 "color2"
|
|
OpName %oVert "oVert"
|
|
OpDecorate %Vertex Block
|
|
OpDecorate %oVert Location 2
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%half = OpTypeFloat 32
|
|
%v4half = OpTypeVector %half 4
|
|
%uint = OpTypeInt 32 0
|
|
%uint_3 = OpConstant %uint 3
|
|
%_arr_v4half_uint_3 = OpTypeArray %v4half %uint_3
|
|
%Vertex = OpTypeStruct %v4half %v4half %_arr_v4half_uint_3
|
|
%_ptr_Output_Vertex = OpTypePointer Output %Vertex
|
|
%oVert = OpVariable %_ptr_Output_Vertex Output
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%half_0 = OpConstant %half 0
|
|
%17 = OpConstantComposite %v4half %half_0 %half_0 %half_0 %half_0
|
|
%_ptr_Output_v4half = OpTypePointer Output %v4half
|
|
%int_1 = OpConstant %int 1
|
|
%half_0_100000001 = OpConstant %half 0.100000001
|
|
%22 = OpConstantComposite %v4half %half_0_100000001 %half_0 %half_0 %half_0
|
|
%int_2 = OpConstant %int 2
|
|
%half_0_200000003 = OpConstant %half 0.200000003
|
|
%26 = OpConstantComposite %v4half %half_0_200000003 %half_0 %half_0 %half_0
|
|
%half_0_300000012 = OpConstant %half 0.300000012
|
|
%29 = OpConstantComposite %v4half %half_0_300000012 %half_0 %half_0 %half_0
|
|
%half_0_400000006 = OpConstant %half 0.400000006
|
|
%32 = OpConstantComposite %v4half %half_0_400000006 %half_0 %half_0 %half_0
|
|
%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%19 = OpAccessChain %_ptr_Output_v4half %oVert %int_0
|
|
OpStore %19 %17
|
|
;CHECK: OpStore %19 %17
|
|
%23 = OpAccessChain %_ptr_Output_v4half %oVert %int_1
|
|
OpStore %23 %22
|
|
;CHECK-NOT: OpStore %23 %22
|
|
%27 = OpAccessChain %_ptr_Output_v4half %oVert %int_2 %int_0
|
|
OpStore %27 %26
|
|
;CHECK-NOT: OpStore %27 %26
|
|
%30 = OpAccessChain %_ptr_Output_v4half %oVert %int_2 %int_1
|
|
OpStore %30 %29
|
|
;CHECK: OpStore %30 %29
|
|
%33 = OpAccessChain %_ptr_Output_v4half %oVert %int_2 %int_2
|
|
OpStore %33 %32
|
|
;CHECK-NOT: OpStore %33 %32
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetTargetEnv(SPV_ENV_VULKAN_1_3);
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
|
|
std::unordered_set<uint32_t> live_inputs;
|
|
std::unordered_set<uint32_t> live_builtins;
|
|
live_inputs.insert(2);
|
|
live_inputs.insert(5);
|
|
SinglePassRunAndMatch<EliminateDeadOutputStoresPass>(text, true, &live_inputs,
|
|
&live_builtins);
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace opt
|
|
} // namespace spvtools
|