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spirv-fuzz: Add illustrative tests for new issues (#4347)
Adds (currently disabled) tests related to #4345 and #4346.
This commit is contained in:
Alastair Donaldson
GitHub
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commit
8cc8b6562b
@ -1796,6 +1796,241 @@ TEST(TransformationReplaceIdWithSynonymTest, IncompatibleTypes) {
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.IsApplicable(context.get(), transformation_context));
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}
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// TODO(https://github.com/KhronosGroup/SPIRV-Tools/issues/4346): This test
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// should be updated to cover more atomic operations, and once the issue is
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// fixed the test should be enabled.
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TEST(TransformationReplaceIdWithSynonymTest,
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DISABLED_AtomicScopeAndMemorySemanticsMustBeConstant) {
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// The following SPIR-V came from this GLSL, edited to add some synonyms:
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//
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// #version 320 es
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//
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// #extension GL_KHR_memory_scope_semantics : enable
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//
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// layout(set = 0, binding = 0) buffer Buf {
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// int x;
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// };
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//
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// void main() {
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// int tmp = atomicLoad(x,
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// gl_ScopeWorkgroup,
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// gl_StorageSemanticsBuffer,
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// gl_SemanticsRelaxed);
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// }
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const std::string shader = 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 GLCompute %4 "main"
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OpExecutionMode %4 LocalSize 1 1 1
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OpSource ESSL 320
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OpSourceExtension "GL_KHR_memory_scope_semantics"
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OpMemberDecorate %9 0 Offset 0
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OpDecorate %9 Block
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OpDecorate %11 DescriptorSet 0
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OpDecorate %11 Binding 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Function %6
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%9 = OpTypeStruct %6
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%10 = OpTypePointer StorageBuffer %9
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%11 = OpVariable %10 StorageBuffer
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%12 = OpConstant %6 0
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%13 = OpTypePointer StorageBuffer %6
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%15 = OpConstant %6 2
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%16 = OpConstant %6 64
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%17 = OpTypeInt 32 0
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%18 = OpConstant %17 1
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%19 = OpConstant %17 0
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%20 = OpConstant %17 64
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%100 = OpCopyObject %6 %15 ; A non-constant version of %15
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%101 = OpCopyObject %17 %20 ; A non-constant version of %20
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%14 = OpAccessChain %13 %11 %12
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%21 = OpAtomicLoad %6 %14 %15 %20
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OpStore %8 %21
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_3;
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const auto consumer = nullptr;
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const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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// Tell the fact manager that %100 and %15 are synonymous
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transformation_context.GetFactManager()->AddFactDataSynonym(
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MakeDataDescriptor(100, {}), MakeDataDescriptor(15, {}));
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// Tell the fact manager that %101 and %20 are synonymous
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transformation_context.GetFactManager()->AddFactDataSynonym(
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MakeDataDescriptor(101, {}), MakeDataDescriptor(20, {}));
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const auto& scope_operand = MakeIdUseDescriptorFromUse(
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context.get(), context->get_def_use_mgr()->GetDef(21), 1);
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ASSERT_FALSE(TransformationReplaceIdWithSynonym(scope_operand, 100)
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.IsApplicable(context.get(), transformation_context));
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const auto& semantics_operand = MakeIdUseDescriptorFromUse(
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context.get(), context->get_def_use_mgr()->GetDef(21), 2);
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ASSERT_FALSE(TransformationReplaceIdWithSynonym(semantics_operand, 101)
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.IsApplicable(context.get(), transformation_context));
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}
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// TODO(https://github.com/KhronosGroup/SPIRV-Tools/issues/4345): Improve this
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// test so that it covers more atomic operations, and enable the test once the
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// issue is fixed.
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TEST(TransformationReplaceIdWithSynonymTest,
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DISABLED_SignOfAtomicScopeAndMemorySemanticsDoesNotMatter) {
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// TODO(https://github.com/KhronosGroup/SPIRV-Tools/issues/4345): both the
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// GLSL comment and the corresponding SPIR-V should be updated to cover a
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// larger number of atomic operations.
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// The following SPIR-V came from this GLSL, edited to add some synonyms:
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//
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// #version 320 es
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//
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// #extension GL_KHR_memory_scope_semantics : enable
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//
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// layout(set = 0, binding = 0) buffer Buf {
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// int x;
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// };
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//
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// void main() {
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// int tmp = atomicLoad(x,
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// gl_ScopeWorkgroup,
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// gl_StorageSemanticsBuffer,
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// gl_SemanticsRelaxed);
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// }
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const std::string shader = 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 GLCompute %4 "main"
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OpExecutionMode %4 LocalSize 1 1 1
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OpSource ESSL 320
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OpSourceExtension "GL_KHR_memory_scope_semantics"
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OpMemberDecorate %9 0 Offset 0
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OpDecorate %9 Block
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OpDecorate %11 DescriptorSet 0
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OpDecorate %11 Binding 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Function %6
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%9 = OpTypeStruct %6
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%10 = OpTypePointer StorageBuffer %9
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%11 = OpVariable %10 StorageBuffer
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%12 = OpConstant %6 0
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%13 = OpTypePointer StorageBuffer %6
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%15 = OpConstant %6 2
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%16 = OpConstant %6 64
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%17 = OpTypeInt 32 0
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%100 = OpConstant %17 2 ; The same as %15, but with unsigned int type
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%18 = OpConstant %17 1
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%19 = OpConstant %17 0
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%20 = OpConstant %17 64
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%101 = OpConstant %6 64 ; The same as %20, but with signed int type
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%14 = OpAccessChain %13 %11 %12
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%21 = OpAtomicLoad %6 %14 %15 %20
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OpStore %8 %21
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_3;
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const auto consumer = nullptr;
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const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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// Tell the fact manager that %100 and %15 are synonymous
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transformation_context.GetFactManager()->AddFactDataSynonym(
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MakeDataDescriptor(100, {}), MakeDataDescriptor(15, {}));
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// Tell the fact manager that %101 and %20 are synonymous
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transformation_context.GetFactManager()->AddFactDataSynonym(
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MakeDataDescriptor(101, {}), MakeDataDescriptor(20, {}));
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{
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const auto& scope_operand = MakeIdUseDescriptorFromUse(
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context.get(), context->get_def_use_mgr()->GetDef(21), 1);
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TransformationReplaceIdWithSynonym replace_scope(scope_operand, 100);
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ASSERT_TRUE(
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replace_scope.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(replace_scope, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
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context.get(), validator_options, kConsoleMessageConsumer));
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}
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{
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const auto& semantics_operand = MakeIdUseDescriptorFromUse(
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context.get(), context->get_def_use_mgr()->GetDef(21), 2);
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TransformationReplaceIdWithSynonym replace_semantics(semantics_operand,
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101);
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ASSERT_TRUE(
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replace_semantics.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(replace_semantics, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
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context.get(), validator_options, kConsoleMessageConsumer));
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}
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const std::string after_transformation = 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 GLCompute %4 "main"
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OpExecutionMode %4 LocalSize 1 1 1
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OpSource ESSL 320
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OpSourceExtension "GL_KHR_memory_scope_semantics"
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OpMemberDecorate %9 0 Offset 0
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OpDecorate %9 Block
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OpDecorate %11 DescriptorSet 0
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OpDecorate %11 Binding 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Function %6
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%9 = OpTypeStruct %6
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%10 = OpTypePointer StorageBuffer %9
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%11 = OpVariable %10 StorageBuffer
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%12 = OpConstant %6 0
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%13 = OpTypePointer StorageBuffer %6
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%15 = OpConstant %6 2
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%16 = OpConstant %6 64
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%17 = OpTypeInt 32 0
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%100 = OpConstant %17 2
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%18 = OpConstant %17 1
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%19 = OpConstant %17 0
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%20 = OpConstant %17 64
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%101 = OpConstant %6 64
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%14 = OpAccessChain %13 %11 %12
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%21 = OpAtomicLoad %6 %14 %100 %101
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OpStore %8 %21
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
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}
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} // namespace
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} // namespace fuzz
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} // namespace spvtools
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