mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-22 11:40:05 +00:00
502e982956
This fixes a problem where TransformationInlineFunction could lead to distinct instructions having identical unique ids. It adds a validity check to detect this problem in general. Fixes #3911.
704 lines
25 KiB
C++
704 lines
25 KiB
C++
// Copyright (c) 2019 Google LLC
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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 "source/fuzz/transformation_merge_blocks.h"
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#include "gtest/gtest.h"
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#include "source/fuzz/fuzzer_util.h"
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#include "test/fuzz/fuzz_test_util.h"
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namespace spvtools {
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namespace fuzz {
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namespace {
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TEST(TransformationMergeBlocksTest, BlockDoesNotExist) {
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpBranch %6
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%6 = OpLabel
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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_4;
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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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ASSERT_FALSE(TransformationMergeBlocks(3).IsApplicable(
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context.get(), transformation_context));
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ASSERT_FALSE(TransformationMergeBlocks(7).IsApplicable(
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context.get(), transformation_context));
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}
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TEST(TransformationMergeBlocksTest, DoNotMergeFirstBlockHasMultipleSuccessors) {
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%7 = OpTypeBool
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%8 = OpConstantTrue %7
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpSelectionMerge %10 None
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OpBranchConditional %8 %6 %9
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%6 = OpLabel
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OpBranch %10
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%9 = OpLabel
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OpBranch %10
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%10 = OpLabel
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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_4;
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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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ASSERT_FALSE(TransformationMergeBlocks(6).IsApplicable(
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context.get(), transformation_context));
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}
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TEST(TransformationMergeBlocksTest,
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DoNotMergeSecondBlockHasMultiplePredecessors) {
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%7 = OpTypeBool
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%8 = OpConstantTrue %7
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpSelectionMerge %10 None
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OpBranchConditional %8 %6 %9
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%6 = OpLabel
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OpBranch %10
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%9 = OpLabel
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OpBranch %10
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%10 = OpLabel
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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_4;
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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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ASSERT_FALSE(TransformationMergeBlocks(10).IsApplicable(
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context.get(), transformation_context));
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}
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TEST(TransformationMergeBlocksTest, MergeWhenSecondBlockIsSelectionMerge) {
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%7 = OpTypeBool
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%8 = OpConstantTrue %7
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpSelectionMerge %10 None
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OpBranchConditional %8 %6 %9
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%6 = OpLabel
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OpBranch %11
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%9 = OpLabel
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OpBranch %11
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%11 = OpLabel
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OpBranch %10
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%10 = OpLabel
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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_4;
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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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TransformationMergeBlocks transformation(10);
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%7 = OpTypeBool
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%8 = OpConstantTrue %7
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpSelectionMerge %11 None
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OpBranchConditional %8 %6 %9
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%6 = OpLabel
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OpBranch %11
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%9 = OpLabel
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OpBranch %11
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%11 = OpLabel
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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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TEST(TransformationMergeBlocksTest, MergeWhenSecondBlockIsLoopMerge) {
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%7 = OpTypeBool
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%8 = OpConstantTrue %7
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%12 = OpLabel
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OpBranch %5
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%5 = OpLabel
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OpLoopMerge %10 %11 None
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OpBranch %6
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%6 = OpLabel
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OpBranchConditional %8 %9 %11
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%9 = OpLabel
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OpBranch %10
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%11 = OpLabel
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OpBranch %5
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%10 = OpLabel
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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_4;
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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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TransformationMergeBlocks transformation(10);
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%7 = OpTypeBool
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%8 = OpConstantTrue %7
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%12 = OpLabel
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OpBranch %5
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%5 = OpLabel
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OpLoopMerge %9 %11 None
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OpBranch %6
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%6 = OpLabel
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OpBranchConditional %8 %9 %11
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%9 = OpLabel
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OpReturn
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%11 = OpLabel
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OpBranch %5
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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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TEST(TransformationMergeBlocksTest, MergeWhenSecondBlockIsLoopContinue) {
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%7 = OpTypeBool
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%8 = OpConstantTrue %7
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%13 = OpLabel
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OpBranch %5
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%5 = OpLabel
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OpLoopMerge %10 %11 None
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OpBranch %6
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%6 = OpLabel
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OpSelectionMerge %9 None
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OpBranchConditional %8 %9 %12
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%12 = OpLabel
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OpBranch %11
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%11 = OpLabel
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OpBranch %5
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%9 = OpLabel
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OpBranch %10
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%10 = OpLabel
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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_4;
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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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TransformationMergeBlocks transformation(11);
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%7 = OpTypeBool
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%8 = OpConstantTrue %7
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%3 = OpTypeFunction %2
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%4 = OpFunction %2 None %3
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%13 = OpLabel
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OpBranch %5
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%5 = OpLabel
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OpLoopMerge %10 %12 None
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OpBranch %6
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%6 = OpLabel
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OpSelectionMerge %9 None
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OpBranchConditional %8 %9 %12
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%12 = OpLabel
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OpBranch %5
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%9 = OpLabel
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OpBranch %10
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%10 = OpLabel
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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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TEST(TransformationMergeBlocksTest, MergeWhenSecondBlockStartsWithOpPhi) {
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%7 = OpTypeBool
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%8 = OpUndef %7
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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OpBranch %6
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%6 = OpLabel
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%9 = OpPhi %7 %8 %5
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%10 = OpCopyObject %7 %9
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OpBranch %11
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%11 = OpLabel
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%12 = OpCopyObject %7 %9
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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_4;
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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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TransformationMergeBlocks transformation(6);
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%7 = OpTypeBool
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%8 = OpUndef %7
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%10 = OpCopyObject %7 %8
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OpBranch %11
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%11 = OpLabel
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%12 = OpCopyObject %7 %8
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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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TEST(TransformationMergeBlocksTest, BasicMerge) {
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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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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 = OpConstant %6 2
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%11 = OpConstant %6 3
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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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%10 = OpVariable %7 Function
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OpStore %8 %9
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OpBranch %100
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%100 = OpLabel
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OpStore %10 %11
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%12 = OpLoad %6 %10
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%13 = OpLoad %6 %8
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OpBranch %101
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%101 = OpLabel
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%14 = OpIAdd %6 %13 %12
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OpStore %8 %14
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%15 = OpLoad %6 %8
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OpBranch %102
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%102 = OpLabel
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%16 = OpLoad %6 %10
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%17 = OpIMul %6 %16 %15
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OpBranch %103
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%103 = OpLabel
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OpStore %10 %17
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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_4;
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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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for (auto& transformation :
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{TransformationMergeBlocks(100), TransformationMergeBlocks(101),
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TransformationMergeBlocks(102), TransformationMergeBlocks(103)}) {
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, 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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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 Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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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 = OpConstant %6 2
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%11 = OpConstant %6 3
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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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%10 = OpVariable %7 Function
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OpStore %8 %9
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OpStore %10 %11
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%12 = OpLoad %6 %10
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%13 = OpLoad %6 %8
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%14 = OpIAdd %6 %13 %12
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OpStore %8 %14
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%15 = OpLoad %6 %8
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%16 = OpLoad %6 %10
|
|
%17 = OpIMul %6 %16 %15
|
|
OpStore %10 %17
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
|
|
}
|
|
|
|
TEST(TransformationMergeBlocksTest, MergeWhenSecondBlockIsSelectionHeader) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 2
|
|
%11 = OpConstant %6 3
|
|
%50 = OpTypeBool
|
|
%51 = OpConstantTrue %50
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
OpStore %8 %9
|
|
OpBranch %100
|
|
%100 = OpLabel
|
|
OpStore %10 %11
|
|
%12 = OpLoad %6 %10
|
|
%13 = OpLoad %6 %8
|
|
OpBranch %101
|
|
%101 = OpLabel
|
|
OpSelectionMerge %103 None
|
|
OpBranchConditional %51 %102 %103
|
|
%102 = OpLabel
|
|
%14 = OpIAdd %6 %13 %12
|
|
OpStore %8 %14
|
|
OpBranch %103
|
|
%103 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
const auto consumer = nullptr;
|
|
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
spvtools::ValidatorOptions validator_options;
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
TransformationContext transformation_context(
|
|
MakeUnique<FactManager>(context.get()), validator_options);
|
|
for (auto& transformation :
|
|
{TransformationMergeBlocks(101), TransformationMergeBlocks(100)}) {
|
|
ASSERT_TRUE(
|
|
transformation.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
|
|
context.get(), validator_options, kConsoleMessageConsumer));
|
|
}
|
|
|
|
std::string after_transformation = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 2
|
|
%11 = OpConstant %6 3
|
|
%50 = OpTypeBool
|
|
%51 = OpConstantTrue %50
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
OpStore %8 %9
|
|
OpStore %10 %11
|
|
%12 = OpLoad %6 %10
|
|
%13 = OpLoad %6 %8
|
|
OpSelectionMerge %103 None
|
|
OpBranchConditional %51 %102 %103
|
|
%102 = OpLabel
|
|
%14 = OpIAdd %6 %13 %12
|
|
OpStore %8 %14
|
|
OpBranch %103
|
|
%103 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
|
|
}
|
|
|
|
TEST(TransformationMergeBlocksTest,
|
|
MergeWhenFirstBlockIsLoopMergeFollowedByUnconditionalBranch) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 2
|
|
%11 = OpConstant %6 3
|
|
%50 = OpTypeBool
|
|
%51 = OpConstantTrue %50
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
OpStore %8 %9
|
|
OpBranch %100
|
|
%100 = OpLabel
|
|
OpLoopMerge %102 %103 None
|
|
OpBranch %101
|
|
%101 = OpLabel
|
|
%200 = OpCopyObject %6 %9
|
|
OpBranchConditional %51 %102 %103
|
|
%103 = OpLabel
|
|
OpBranch %100
|
|
%102 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
const auto consumer = nullptr;
|
|
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
|
|
spvtools::ValidatorOptions validator_options;
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
TransformationContext transformation_context(
|
|
MakeUnique<FactManager>(context.get()), validator_options);
|
|
TransformationMergeBlocks transformation(101);
|
|
ASSERT_TRUE(
|
|
transformation.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
|
|
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
|
|
kConsoleMessageConsumer));
|
|
|
|
std::string after_transformation = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 2
|
|
%11 = OpConstant %6 3
|
|
%50 = OpTypeBool
|
|
%51 = OpConstantTrue %50
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
OpStore %8 %9
|
|
OpBranch %100
|
|
%100 = OpLabel
|
|
%200 = OpCopyObject %6 %9
|
|
OpLoopMerge %102 %103 None
|
|
OpBranchConditional %51 %102 %103
|
|
%103 = OpLabel
|
|
OpBranch %100
|
|
%102 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|