422 lines
16 KiB
C++
422 lines
16 KiB
C++
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// 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 "assembly_builder.h"
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#include "gmock/gmock.h"
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#include "pass_fixture.h"
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#include "pass_utils.h"
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#include <algorithm>
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#include <cstdarg>
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#include <iostream>
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#include <sstream>
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#include <unordered_set>
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namespace {
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using namespace spvtools;
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using Workaround1209Test = PassTest<::testing::Test>;
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#ifdef SPIRV_EFFCEE
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TEST_F(Workaround1209Test, RemoveOpUnreachableInLoop) {
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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" %texcoord %gl_VertexIndex %_
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OpSource GLSL 400
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OpSourceExtension "GL_ARB_separate_shader_objects"
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OpSourceExtension "GL_ARB_shading_language_420pack"
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OpName %main "main"
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OpName %texcoord "texcoord"
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OpName %buf "buf"
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OpMemberName %buf 0 "MVP"
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OpMemberName %buf 1 "position"
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OpMemberName %buf 2 "attr"
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OpName %ubuf "ubuf"
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OpName %gl_VertexIndex "gl_VertexIndex"
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OpName %gl_PerVertex "gl_PerVertex"
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OpMemberName %gl_PerVertex 0 "gl_Position"
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OpName %_ ""
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OpDecorate %texcoord Location 0
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OpDecorate %_arr_v4float_uint_72 ArrayStride 16
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OpDecorate %_arr_v4float_uint_72_0 ArrayStride 16
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OpMemberDecorate %buf 0 ColMajor
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OpMemberDecorate %buf 0 Offset 0
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OpMemberDecorate %buf 0 MatrixStride 16
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OpMemberDecorate %buf 1 Offset 64
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OpMemberDecorate %buf 2 Offset 1216
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OpDecorate %buf Block
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OpDecorate %ubuf DescriptorSet 0
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OpDecorate %ubuf Binding 0
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OpDecorate %gl_VertexIndex BuiltIn VertexIndex
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OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
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OpDecorate %gl_PerVertex Block
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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_Output_v4float = OpTypePointer Output %v4float
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%texcoord = OpVariable %_ptr_Output_v4float Output
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%mat4v4float = OpTypeMatrix %v4float 4
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%uint = OpTypeInt 32 0
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%uint_72 = OpConstant %uint 72
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%_arr_v4float_uint_72 = OpTypeArray %v4float %uint_72
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%_arr_v4float_uint_72_0 = OpTypeArray %v4float %uint_72
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%buf = OpTypeStruct %mat4v4float %_arr_v4float_uint_72 %_arr_v4float_uint_72_0
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%_ptr_Uniform_buf = OpTypePointer Uniform %buf
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%ubuf = OpVariable %_ptr_Uniform_buf Uniform
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%int = OpTypeInt 32 1
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%int_2 = OpConstant %int 2
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%_ptr_Input_int = OpTypePointer Input %int
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%gl_VertexIndex = OpVariable %_ptr_Input_int Input
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%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
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%gl_PerVertex = OpTypeStruct %v4float
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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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%int_0 = OpConstant %int 0
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%int_1 = OpConstant %int 1
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%float_1 = OpConstant %float 1
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%28 = OpConstantComposite %v4float %float_1 %float_1 %float_1 %float_1
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%main = OpFunction %void None %12
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%29 = OpLabel
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OpBranch %30
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%30 = OpLabel
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; CHECK: OpLoopMerge [[merge:%[a-zA-Z_\d]+]]
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OpLoopMerge %31 %32 None
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OpBranch %33
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%33 = OpLabel
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; CHECK: OpSelectionMerge [[sel_merge:%[a-zA-Z_\d]+]]
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OpSelectionMerge %34 None
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OpSwitch %int_1 %35
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%35 = OpLabel
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%36 = OpLoad %int %gl_VertexIndex
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%37 = OpAccessChain %_ptr_Uniform_v4float %ubuf %int_2 %36
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%38 = OpLoad %v4float %37
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OpStore %texcoord %38
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%39 = OpAccessChain %_ptr_Output_v4float %_ %int_0
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OpStore %39 %28
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OpBranch %31
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; CHECK: [[sel_merge]] = OpLabel
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%34 = OpLabel
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; CHECK-NEXT: OpBranch [[merge]]
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OpUnreachable
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%32 = OpLabel
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OpBranch %30
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%31 = OpLabel
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OpReturn
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OpFunctionEnd)";
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SinglePassRunAndMatch<opt::Workaround1209>(text, false);
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}
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TEST_F(Workaround1209Test, RemoveOpUnreachableInNestedLoop) {
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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 %2 "main" %3 %4 %5
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OpSource GLSL 400
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OpSourceExtension "GL_ARB_separate_shader_objects"
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OpSourceExtension "GL_ARB_shading_language_420pack"
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OpName %2 "main"
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OpName %3 "texcoord"
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OpName %6 "buf"
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OpMemberName %6 0 "MVP"
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OpMemberName %6 1 "position"
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OpMemberName %6 2 "attr"
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OpName %7 "ubuf"
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OpName %4 "gl_VertexIndex"
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OpName %8 "gl_PerVertex"
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OpMemberName %8 0 "gl_Position"
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OpName %5 ""
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OpDecorate %3 Location 0
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OpDecorate %9 ArrayStride 16
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OpDecorate %10 ArrayStride 16
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OpMemberDecorate %6 0 ColMajor
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OpMemberDecorate %6 0 Offset 0
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OpMemberDecorate %6 0 MatrixStride 16
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OpMemberDecorate %6 1 Offset 64
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OpMemberDecorate %6 2 Offset 1216
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OpDecorate %6 Block
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OpDecorate %7 DescriptorSet 0
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OpDecorate %7 Binding 0
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OpDecorate %4 BuiltIn VertexIndex
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OpMemberDecorate %8 0 BuiltIn Position
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OpDecorate %8 Block
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%11 = OpTypeVoid
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%12 = OpTypeFunction %11
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%13 = OpTypeFloat 32
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%14 = OpTypeVector %13 4
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%15 = OpTypePointer Output %14
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%3 = OpVariable %15 Output
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%16 = OpTypeMatrix %14 4
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%17 = OpTypeInt 32 0
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%18 = OpConstant %17 72
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%9 = OpTypeArray %14 %18
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%10 = OpTypeArray %14 %18
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%6 = OpTypeStruct %16 %9 %10
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%19 = OpTypePointer Uniform %6
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%7 = OpVariable %19 Uniform
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%20 = OpTypeInt 32 1
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%21 = OpConstant %20 2
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%22 = OpTypePointer Input %20
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%4 = OpVariable %22 Input
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%23 = OpTypePointer Uniform %14
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%8 = OpTypeStruct %14
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%24 = OpTypePointer Output %8
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%5 = OpVariable %24 Output
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%25 = OpConstant %20 0
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%26 = OpConstant %20 1
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%27 = OpConstant %13 1
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%28 = OpConstantComposite %14 %27 %27 %27 %27
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%2 = OpFunction %11 None %12
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%29 = OpLabel
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OpBranch %31
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%31 = OpLabel
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; CHECK: OpLoopMerge
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OpLoopMerge %32 %33 None
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OpBranch %30
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%30 = OpLabel
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; CHECK: OpLoopMerge [[merge:%[a-zA-Z_\d]+]]
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OpLoopMerge %34 %35 None
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OpBranch %36
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%36 = OpLabel
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; CHECK: OpSelectionMerge [[sel_merge:%[a-zA-Z_\d]+]]
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OpSelectionMerge %37 None
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OpSwitch %26 %38
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%38 = OpLabel
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%39 = OpLoad %20 %4
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%40 = OpAccessChain %23 %7 %21 %39
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%41 = OpLoad %14 %40
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OpStore %3 %41
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%42 = OpAccessChain %15 %5 %25
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OpStore %42 %28
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OpBranch %34
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; CHECK: [[sel_merge]] = OpLabel
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%37 = OpLabel
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; CHECK-NEXT: OpBranch [[merge]]
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OpUnreachable
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%35 = OpLabel
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OpBranch %30
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%34 = OpLabel
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OpBranch %32
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%33 = OpLabel
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OpBranch %31
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%32 = OpLabel
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OpReturn
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OpFunctionEnd)";
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SinglePassRunAndMatch<opt::Workaround1209>(text, false);
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}
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TEST_F(Workaround1209Test, RemoveOpUnreachableInAdjacentLoops) {
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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 %2 "main" %3 %4 %5
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OpSource GLSL 400
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OpSourceExtension "GL_ARB_separate_shader_objects"
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OpSourceExtension "GL_ARB_shading_language_420pack"
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OpName %2 "main"
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OpName %3 "texcoord"
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OpName %6 "buf"
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OpMemberName %6 0 "MVP"
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OpMemberName %6 1 "position"
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OpMemberName %6 2 "attr"
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OpName %7 "ubuf"
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OpName %4 "gl_VertexIndex"
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OpName %8 "gl_PerVertex"
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OpMemberName %8 0 "gl_Position"
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OpName %5 ""
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OpDecorate %3 Location 0
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OpDecorate %9 ArrayStride 16
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OpDecorate %10 ArrayStride 16
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OpMemberDecorate %6 0 ColMajor
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OpMemberDecorate %6 0 Offset 0
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OpMemberDecorate %6 0 MatrixStride 16
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OpMemberDecorate %6 1 Offset 64
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OpMemberDecorate %6 2 Offset 1216
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OpDecorate %6 Block
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OpDecorate %7 DescriptorSet 0
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OpDecorate %7 Binding 0
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OpDecorate %4 BuiltIn VertexIndex
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OpMemberDecorate %8 0 BuiltIn Position
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OpDecorate %8 Block
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%11 = OpTypeVoid
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%12 = OpTypeFunction %11
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%13 = OpTypeFloat 32
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%14 = OpTypeVector %13 4
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%15 = OpTypePointer Output %14
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%3 = OpVariable %15 Output
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%16 = OpTypeMatrix %14 4
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%17 = OpTypeInt 32 0
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%18 = OpConstant %17 72
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%9 = OpTypeArray %14 %18
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%10 = OpTypeArray %14 %18
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%6 = OpTypeStruct %16 %9 %10
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%19 = OpTypePointer Uniform %6
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%7 = OpVariable %19 Uniform
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%20 = OpTypeInt 32 1
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%21 = OpConstant %20 2
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%22 = OpTypePointer Input %20
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%4 = OpVariable %22 Input
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%23 = OpTypePointer Uniform %14
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%8 = OpTypeStruct %14
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%24 = OpTypePointer Output %8
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%5 = OpVariable %24 Output
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%25 = OpConstant %20 0
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%26 = OpConstant %20 1
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%27 = OpConstant %13 1
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%28 = OpConstantComposite %14 %27 %27 %27 %27
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%2 = OpFunction %11 None %12
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%29 = OpLabel
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OpBranch %30
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%30 = OpLabel
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; CHECK: OpLoopMerge [[merge1:%[a-zA-Z_\d]+]]
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OpLoopMerge %31 %32 None
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OpBranch %33
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%33 = OpLabel
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; CHECK: OpSelectionMerge [[sel_merge1:%[a-zA-Z_\d]+]]
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OpSelectionMerge %34 None
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OpSwitch %26 %35
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%35 = OpLabel
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%36 = OpLoad %20 %4
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%37 = OpAccessChain %23 %7 %21 %36
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%38 = OpLoad %14 %37
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OpStore %3 %38
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%39 = OpAccessChain %15 %5 %25
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OpStore %39 %28
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OpBranch %31
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; CHECK: [[sel_merge1]] = OpLabel
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%34 = OpLabel
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; CHECK-NEXT: OpBranch [[merge1]]
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OpUnreachable
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%32 = OpLabel
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OpBranch %30
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%31 = OpLabel
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; CHECK: OpLoopMerge [[merge2:%[a-zA-Z_\d]+]]
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OpLoopMerge %40 %41 None
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OpBranch %42
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%42 = OpLabel
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; CHECK: OpSelectionMerge [[sel_merge2:%[a-zA-Z_\d]+]]
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OpSelectionMerge %43 None
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OpSwitch %26 %44
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%44 = OpLabel
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%45 = OpLoad %20 %4
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%46 = OpAccessChain %23 %7 %21 %45
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%47 = OpLoad %14 %46
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OpStore %3 %47
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%48 = OpAccessChain %15 %5 %25
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OpStore %48 %28
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OpBranch %40
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; CHECK: [[sel_merge2]] = OpLabel
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%43 = OpLabel
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; CHECK-NEXT: OpBranch [[merge2]]
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OpUnreachable
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%41 = OpLabel
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OpBranch %31
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%40 = OpLabel
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OpReturn
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OpFunctionEnd)";
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SinglePassRunAndMatch<opt::Workaround1209>(text, false);
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}
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TEST_F(Workaround1209Test, LeaveUnreachableNotInLoop) {
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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" %texcoord %gl_VertexIndex %_
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OpSource GLSL 400
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OpSourceExtension "GL_ARB_separate_shader_objects"
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OpSourceExtension "GL_ARB_shading_language_420pack"
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OpName %main "main"
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OpName %texcoord "texcoord"
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OpName %buf "buf"
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OpMemberName %buf 0 "MVP"
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OpMemberName %buf 1 "position"
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OpMemberName %buf 2 "attr"
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OpName %ubuf "ubuf"
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|
|
OpName %gl_VertexIndex "gl_VertexIndex"
|
||
|
|
OpName %gl_PerVertex "gl_PerVertex"
|
||
|
|
OpMemberName %gl_PerVertex 0 "gl_Position"
|
||
|
|
OpName %_ ""
|
||
|
|
OpDecorate %texcoord Location 0
|
||
|
|
OpDecorate %_arr_v4float_uint_72 ArrayStride 16
|
||
|
|
OpDecorate %_arr_v4float_uint_72_0 ArrayStride 16
|
||
|
|
OpMemberDecorate %buf 0 ColMajor
|
||
|
|
OpMemberDecorate %buf 0 Offset 0
|
||
|
|
OpMemberDecorate %buf 0 MatrixStride 16
|
||
|
|
OpMemberDecorate %buf 1 Offset 64
|
||
|
|
OpMemberDecorate %buf 2 Offset 1216
|
||
|
|
OpDecorate %buf Block
|
||
|
|
OpDecorate %ubuf DescriptorSet 0
|
||
|
|
OpDecorate %ubuf Binding 0
|
||
|
|
OpDecorate %gl_VertexIndex BuiltIn VertexIndex
|
||
|
|
OpMemberDecorate %gl_PerVertex 0 BuiltIn Position
|
||
|
|
OpDecorate %gl_PerVertex Block
|
||
|
|
%void = OpTypeVoid
|
||
|
|
%12 = OpTypeFunction %void
|
||
|
|
%float = OpTypeFloat 32
|
||
|
|
%v4float = OpTypeVector %float 4
|
||
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
||
|
|
%texcoord = OpVariable %_ptr_Output_v4float Output
|
||
|
|
%mat4v4float = OpTypeMatrix %v4float 4
|
||
|
|
%uint = OpTypeInt 32 0
|
||
|
|
%uint_72 = OpConstant %uint 72
|
||
|
|
%_arr_v4float_uint_72 = OpTypeArray %v4float %uint_72
|
||
|
|
%_arr_v4float_uint_72_0 = OpTypeArray %v4float %uint_72
|
||
|
|
%buf = OpTypeStruct %mat4v4float %_arr_v4float_uint_72 %_arr_v4float_uint_72_0
|
||
|
|
%_ptr_Uniform_buf = OpTypePointer Uniform %buf
|
||
|
|
%ubuf = OpVariable %_ptr_Uniform_buf Uniform
|
||
|
|
%int = OpTypeInt 32 1
|
||
|
|
%int_2 = OpConstant %int 2
|
||
|
|
%_ptr_Input_int = OpTypePointer Input %int
|
||
|
|
%gl_VertexIndex = OpVariable %_ptr_Input_int Input
|
||
|
|
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
|
||
|
|
%gl_PerVertex = OpTypeStruct %v4float
|
||
|
|
%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex
|
||
|
|
%_ = OpVariable %_ptr_Output_gl_PerVertex Output
|
||
|
|
%int_0 = OpConstant %int 0
|
||
|
|
%int_1 = OpConstant %int 1
|
||
|
|
%float_1 = OpConstant %float 1
|
||
|
|
%28 = OpConstantComposite %v4float %float_1 %float_1 %float_1 %float_1
|
||
|
|
%main = OpFunction %void None %12
|
||
|
|
%29 = OpLabel
|
||
|
|
OpBranch %30
|
||
|
|
%30 = OpLabel
|
||
|
|
OpSelectionMerge %34 None
|
||
|
|
OpSwitch %int_1 %35
|
||
|
|
%35 = OpLabel
|
||
|
|
%36 = OpLoad %int %gl_VertexIndex
|
||
|
|
%37 = OpAccessChain %_ptr_Uniform_v4float %ubuf %int_2 %36
|
||
|
|
%38 = OpLoad %v4float %37
|
||
|
|
OpStore %texcoord %38
|
||
|
|
%39 = OpAccessChain %_ptr_Output_v4float %_ %int_0
|
||
|
|
OpStore %39 %28
|
||
|
|
OpReturn
|
||
|
|
%34 = OpLabel
|
||
|
|
; CHECK: OpUnreachable
|
||
|
|
OpUnreachable
|
||
|
|
OpFunctionEnd)";
|
||
|
|
|
||
|
|
SinglePassRunAndMatch<opt::Workaround1209>(text, false);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
} // anonymous namespace
|