| // Copyright (c) 2020 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "source/fuzz/fuzzer_pass_construct_composites.h" |
| |
| #include "gtest/gtest.h" |
| #include "source/fuzz/fuzzer_util.h" |
| #include "source/fuzz/pseudo_random_generator.h" |
| #include "test/fuzz/fuzz_test_util.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| namespace { |
| |
| TEST(FuzzerPassConstructCompositesTest, IsomorphicStructs) { |
| // This test declares various isomorphic structs, and a struct that is made up |
| // of these isomorphic structs. The pass to construct composites is then |
| // applied several times to check that no issues arise related to using a |
| // value of one struct type when a value of an isomorphic struct type is |
| // required. |
| |
| 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 = OpTypeFloat 32 |
| %7 = OpConstant %6 0 |
| %8 = OpTypeStruct %6 %6 %6 |
| %9 = OpTypeStruct %6 %6 %6 |
| %10 = OpTypeStruct %6 %6 %6 |
| %11 = OpTypeStruct %6 %6 %6 |
| %12 = OpTypeStruct %6 %6 %6 |
| %13 = OpTypeStruct %8 %9 %10 %11 %12 |
| %14 = OpConstantComposite %8 %7 %7 %7 |
| %15 = OpConstantComposite %9 %7 %7 %7 |
| %16 = OpConstantComposite %10 %7 %7 %7 |
| %17 = OpConstantComposite %11 %7 %7 %7 |
| %18 = OpConstantComposite %12 %7 %7 %7 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| |
| FuzzerContext fuzzer_context(MakeUnique<PseudoRandomGenerator>(0), 100, |
| false); |
| |
| for (uint32_t i = 0; i < 10; i++) { |
| 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); |
| protobufs::TransformationSequence transformation_sequence; |
| |
| FuzzerPassConstructComposites fuzzer_pass( |
| context.get(), &transformation_context, &fuzzer_context, |
| &transformation_sequence, false); |
| |
| fuzzer_pass.Apply(); |
| |
| // We just check that the result is valid. |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed( |
| context.get(), validator_options, kConsoleMessageConsumer)); |
| } |
| } |
| |
| TEST(FuzzerPassConstructCompositesTest, IsomorphicArrays) { |
| // This test declares various isomorphic arrays, and a struct that is made up |
| // of these isomorphic arrays. The pass to construct composites is then |
| // applied several times to check that no issues arise related to using a |
| // value of one array type when a value of an isomorphic array type is |
| // required. |
| |
| 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 = OpTypeFloat 32 |
| %50 = OpTypeInt 32 0 |
| %51 = OpConstant %50 3 |
| %7 = OpConstant %6 0 |
| %8 = OpTypeArray %6 %51 |
| %9 = OpTypeArray %6 %51 |
| %10 = OpTypeArray %6 %51 |
| %11 = OpTypeArray %6 %51 |
| %12 = OpTypeArray %6 %51 |
| %13 = OpTypeStruct %8 %9 %10 %11 %12 |
| %14 = OpConstantComposite %8 %7 %7 %7 |
| %15 = OpConstantComposite %9 %7 %7 %7 |
| %16 = OpConstantComposite %10 %7 %7 %7 |
| %17 = OpConstantComposite %11 %7 %7 %7 |
| %18 = OpConstantComposite %12 %7 %7 %7 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpNop |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| |
| FuzzerContext fuzzer_context(MakeUnique<PseudoRandomGenerator>(0), 100, |
| false); |
| |
| for (uint32_t i = 0; i < 10; i++) { |
| 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); |
| protobufs::TransformationSequence transformation_sequence; |
| |
| FuzzerPassConstructComposites fuzzer_pass( |
| context.get(), &transformation_context, &fuzzer_context, |
| &transformation_sequence, false); |
| |
| fuzzer_pass.Apply(); |
| |
| // We just check that the result is valid. |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed( |
| context.get(), validator_options, kConsoleMessageConsumer)); |
| } |
| } |
| |
| } // namespace |
| } // namespace fuzz |
| } // namespace spvtools |