| // Copyright (c) 2020 Vasyl Teliman |
| // |
| // 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/transformation_add_synonym.h" |
| |
| #include "gtest/gtest.h" |
| #include "source/fuzz/fuzzer_util.h" |
| #include "source/fuzz/instruction_descriptor.h" |
| #include "test/fuzz/fuzz_test_util.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| namespace { |
| |
| TEST(TransformationAddSynonymTest, NotApplicable) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpDecorate %8 RelaxedPrecision |
| OpDecorate %22 RelaxedPrecision |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Function %6 |
| %9 = OpConstant %6 3 |
| %10 = OpTypeFloat 32 |
| %11 = OpTypePointer Function %10 |
| %13 = OpConstant %10 4.5 |
| %14 = OpTypeVector %10 2 |
| %15 = OpTypePointer Function %14 |
| %17 = OpConstant %10 3 |
| %18 = OpConstant %10 4 |
| %19 = OpConstantComposite %14 %17 %18 |
| %20 = OpTypeVector %6 2 |
| %21 = OpTypePointer Function %20 |
| %23 = OpConstant %6 4 |
| %24 = OpConstantComposite %20 %9 %23 |
| %26 = OpConstantNull %6 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %12 = OpVariable %11 Function |
| %16 = OpVariable %15 Function |
| %22 = OpVariable %21 Function |
| OpStore %8 %9 |
| OpStore %12 %13 |
| OpStore %16 %19 |
| OpStore %22 %24 |
| %25 = OpUndef %6 |
| %27 = OpLoad %6 %8 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| transformation_context.GetFactManager()->AddFactIdIsIrrelevant(24); |
| |
| auto insert_before = MakeInstructionDescriptor(22, SpvOpReturn, 0); |
| |
| #ifndef NDEBUG |
| ASSERT_DEATH( |
| TransformationAddSynonym( |
| 9, static_cast<protobufs::TransformationAddSynonym::SynonymType>(-1), |
| 40, insert_before) |
| .IsApplicable(context.get(), transformation_context), |
| "Synonym type is invalid"); |
| #endif |
| |
| // These tests should succeed regardless of the synonym type. |
| for (int i = 0; |
| i < protobufs::TransformationAddSynonym::SynonymType_descriptor() |
| ->value_count(); |
| ++i) { |
| const auto* synonym_value = |
| protobufs::TransformationAddSynonym::SynonymType_descriptor()->value(i); |
| ASSERT_TRUE(protobufs::TransformationAddSynonym::SynonymType_IsValid( |
| synonym_value->number())); |
| auto synonym_type = |
| static_cast<protobufs::TransformationAddSynonym::SynonymType>( |
| synonym_value->number()); |
| |
| // |synonym_fresh_id| is not fresh. |
| ASSERT_FALSE(TransformationAddSynonym(9, synonym_type, 9, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // |result_id| is invalid. |
| ASSERT_FALSE(TransformationAddSynonym(40, synonym_type, 40, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Instruction with |result_id| has no type id. |
| ASSERT_FALSE(TransformationAddSynonym(5, synonym_type, 40, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Instruction with |result_id| is an OpUndef. |
| ASSERT_FALSE(TransformationAddSynonym(25, synonym_type, 40, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Instruction with |result_id| is an OpConstantNull. |
| ASSERT_FALSE(TransformationAddSynonym(26, synonym_type, 40, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // |result_id| is irrelevant. |
| ASSERT_FALSE(TransformationAddSynonym(24, synonym_type, 40, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // |insert_before| is invalid. |
| ASSERT_FALSE( |
| TransformationAddSynonym(9, synonym_type, 40, |
| MakeInstructionDescriptor(25, SpvOpStore, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Can't insert before |insert_before|. |
| ASSERT_FALSE( |
| TransformationAddSynonym(9, synonym_type, 40, |
| MakeInstructionDescriptor(5, SpvOpLabel, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, synonym_type, 40, |
| MakeInstructionDescriptor(22, SpvOpVariable, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, synonym_type, 40, |
| MakeInstructionDescriptor(25, SpvOpFunctionEnd, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Domination rules are not satisfied. |
| ASSERT_FALSE( |
| TransformationAddSynonym(27, synonym_type, 40, |
| MakeInstructionDescriptor(27, SpvOpLoad, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE( |
| TransformationAddSynonym(27, synonym_type, 40, |
| MakeInstructionDescriptor(22, SpvOpStore, 1)) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| } |
| |
| TEST(TransformationAddSynonymTest, AddZeroSubZeroMulOne) { |
| 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 = OpConstant %6 0 |
| %8 = OpConstant %6 1 |
| %9 = OpConstant %6 34 |
| %10 = OpTypeInt 32 0 |
| %13 = OpConstant %10 34 |
| %14 = OpTypeFloat 32 |
| %15 = OpConstant %14 0 |
| %16 = OpConstant %14 1 |
| %17 = OpConstant %14 34 |
| %18 = OpTypeVector %14 2 |
| %19 = OpConstantComposite %18 %15 %15 |
| %20 = OpConstantComposite %18 %16 %16 |
| %21 = OpConstant %14 3 |
| %22 = OpConstant %14 4 |
| %23 = OpConstantComposite %18 %21 %22 |
| %24 = OpTypeVector %6 2 |
| %25 = OpConstantComposite %24 %7 %7 |
| %26 = OpConstantComposite %24 %8 %8 |
| %27 = OpConstant %6 3 |
| %28 = OpConstant %6 4 |
| %29 = OpConstantComposite %24 %27 %28 |
| %30 = OpTypeVector %10 2 |
| %33 = OpConstant %10 3 |
| %34 = OpConstant %10 4 |
| %35 = OpConstantComposite %30 %33 %34 |
| %36 = OpTypeBool |
| %37 = OpTypeVector %36 2 |
| %38 = OpConstantTrue %36 |
| %39 = OpConstantComposite %37 %38 %38 |
| %40 = OpConstant %6 37 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| auto insert_before = MakeInstructionDescriptor(5, SpvOpReturn, 0); |
| |
| uint32_t fresh_id = 50; |
| for (auto synonym_type : {protobufs::TransformationAddSynonym::ADD_ZERO, |
| protobufs::TransformationAddSynonym::SUB_ZERO, |
| protobufs::TransformationAddSynonym::MUL_ONE}) { |
| ASSERT_TRUE( |
| TransformationAddSynonym::IsAdditionalConstantRequired(synonym_type)); |
| |
| // Can't create a synonym of a scalar or a vector of a wrong (in this case - |
| // boolean) type. |
| ASSERT_FALSE( |
| TransformationAddSynonym(38, synonym_type, fresh_id, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE( |
| TransformationAddSynonym(39, synonym_type, fresh_id, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Required constant is not present in the module. |
| ASSERT_FALSE( |
| TransformationAddSynonym(13, synonym_type, fresh_id, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE( |
| TransformationAddSynonym(35, synonym_type, fresh_id, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| for (auto result_id : {9, 17, 23, 29}) { |
| TransformationAddSynonym transformation(result_id, synonym_type, fresh_id, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(result_id, {}), MakeDataDescriptor(fresh_id, {}))); |
| ++fresh_id; |
| } |
| } |
| { |
| TransformationAddSynonym transformation( |
| 40, protobufs::TransformationAddSynonym::BITWISE_OR, fresh_id, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(40, {}), MakeDataDescriptor(fresh_id, {}))); |
| ++fresh_id; |
| } |
| { |
| TransformationAddSynonym transformation( |
| 40, protobufs::TransformationAddSynonym::BITWISE_XOR, fresh_id, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(40, {}), MakeDataDescriptor(fresh_id, {}))); |
| } |
| |
| std::string expected_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 = OpConstant %6 0 |
| %8 = OpConstant %6 1 |
| %9 = OpConstant %6 34 |
| %10 = OpTypeInt 32 0 |
| %13 = OpConstant %10 34 |
| %14 = OpTypeFloat 32 |
| %15 = OpConstant %14 0 |
| %16 = OpConstant %14 1 |
| %17 = OpConstant %14 34 |
| %18 = OpTypeVector %14 2 |
| %19 = OpConstantComposite %18 %15 %15 |
| %20 = OpConstantComposite %18 %16 %16 |
| %21 = OpConstant %14 3 |
| %22 = OpConstant %14 4 |
| %23 = OpConstantComposite %18 %21 %22 |
| %24 = OpTypeVector %6 2 |
| %25 = OpConstantComposite %24 %7 %7 |
| %26 = OpConstantComposite %24 %8 %8 |
| %27 = OpConstant %6 3 |
| %28 = OpConstant %6 4 |
| %29 = OpConstantComposite %24 %27 %28 |
| %30 = OpTypeVector %10 2 |
| %33 = OpConstant %10 3 |
| %34 = OpConstant %10 4 |
| %35 = OpConstantComposite %30 %33 %34 |
| %36 = OpTypeBool |
| %37 = OpTypeVector %36 2 |
| %38 = OpConstantTrue %36 |
| %39 = OpConstantComposite %37 %38 %38 |
| %40 = OpConstant %6 37 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %50 = OpIAdd %6 %9 %7 |
| %51 = OpFAdd %14 %17 %15 |
| %52 = OpFAdd %18 %23 %19 |
| %53 = OpIAdd %24 %29 %25 |
| %54 = OpISub %6 %9 %7 |
| %55 = OpFSub %14 %17 %15 |
| %56 = OpFSub %18 %23 %19 |
| %57 = OpISub %24 %29 %25 |
| %58 = OpIMul %6 %9 %8 |
| %59 = OpFMul %14 %17 %16 |
| %60 = OpFMul %18 %23 %20 |
| %61 = OpIMul %24 %29 %26 |
| %62 = OpBitwiseOr %6 %40 %7 |
| %63 = OpBitwiseXor %6 %40 %7 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationAddSynonymTest, LogicalAndLogicalOr) { |
| 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 = OpTypeBool |
| %7 = OpConstantFalse %6 |
| %9 = OpConstantTrue %6 |
| %10 = OpTypeVector %6 2 |
| %11 = OpConstantComposite %10 %7 %9 |
| %12 = OpConstantComposite %10 %7 %7 |
| %13 = OpConstantComposite %10 %9 %9 |
| %14 = OpTypeFloat 32 |
| %17 = OpConstant %14 35 |
| %18 = OpTypeVector %14 2 |
| %21 = OpConstant %14 3 |
| %22 = OpConstant %14 4 |
| %23 = OpConstantComposite %18 %21 %22 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| auto insert_before = MakeInstructionDescriptor(5, SpvOpReturn, 0); |
| |
| uint32_t fresh_id = 50; |
| for (auto synonym_type : {protobufs::TransformationAddSynonym::LOGICAL_AND, |
| protobufs::TransformationAddSynonym::LOGICAL_OR}) { |
| ASSERT_TRUE( |
| TransformationAddSynonym::IsAdditionalConstantRequired(synonym_type)); |
| |
| // Can't create a synonym of a scalar or a vector of a wrong (in this case - |
| // float) type. |
| ASSERT_FALSE( |
| TransformationAddSynonym(17, synonym_type, fresh_id, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE( |
| TransformationAddSynonym(23, synonym_type, fresh_id, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| for (auto result_id : {9, 11}) { |
| TransformationAddSynonym transformation(result_id, synonym_type, fresh_id, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(result_id, {}), MakeDataDescriptor(fresh_id, {}))); |
| ++fresh_id; |
| } |
| } |
| |
| std::string expected_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 = OpTypeBool |
| %7 = OpConstantFalse %6 |
| %9 = OpConstantTrue %6 |
| %10 = OpTypeVector %6 2 |
| %11 = OpConstantComposite %10 %7 %9 |
| %12 = OpConstantComposite %10 %7 %7 |
| %13 = OpConstantComposite %10 %9 %9 |
| %14 = OpTypeFloat 32 |
| %17 = OpConstant %14 35 |
| %18 = OpTypeVector %14 2 |
| %21 = OpConstant %14 3 |
| %22 = OpConstant %14 4 |
| %23 = OpConstantComposite %18 %21 %22 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %50 = OpLogicalAnd %6 %9 %9 |
| %51 = OpLogicalAnd %10 %11 %13 |
| %52 = OpLogicalOr %6 %9 %7 |
| %53 = OpLogicalOr %10 %11 %12 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationAddSynonymTest, LogicalAndConstantIsNotPresent) { |
| 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 = OpTypeBool |
| %7 = OpConstantFalse %6 |
| %10 = OpTypeVector %6 2 |
| %12 = OpConstantComposite %10 %7 %7 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| auto insert_before = MakeInstructionDescriptor(5, SpvOpReturn, 0); |
| const auto synonym_type = protobufs::TransformationAddSynonym::LOGICAL_AND; |
| |
| // Required constant is not present in the module. |
| ASSERT_FALSE(TransformationAddSynonym(7, synonym_type, 50, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationAddSynonym(12, synonym_type, 50, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationAddSynonymTest, LogicalOrConstantIsNotPresent) { |
| 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 = OpTypeBool |
| %7 = OpConstantTrue %6 |
| %10 = OpTypeVector %6 2 |
| %12 = OpConstantComposite %10 %7 %7 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| auto insert_before = MakeInstructionDescriptor(5, SpvOpReturn, 0); |
| const auto synonym_type = protobufs::TransformationAddSynonym::LOGICAL_OR; |
| |
| // Required constant is not present in the module. |
| ASSERT_FALSE(TransformationAddSynonym(7, synonym_type, 50, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationAddSynonym(12, synonym_type, 50, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationAddSynonymTest, CopyObject) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpDecorate %8 RelaxedPrecision |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Function %6 |
| %9 = OpConstant %6 4 |
| %10 = OpTypeFloat 32 |
| %11 = OpTypePointer Function %10 |
| %13 = OpConstant %10 4 |
| %14 = OpTypeVector %10 2 |
| %15 = OpTypePointer Function %14 |
| %17 = OpConstant %10 3.4000001 |
| %18 = OpConstantComposite %14 %17 %17 |
| %19 = OpTypeBool |
| %20 = OpTypeStruct %19 |
| %21 = OpTypePointer Function %20 |
| %23 = OpConstantTrue %19 |
| %24 = OpConstantComposite %20 %23 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %12 = OpVariable %11 Function |
| %16 = OpVariable %15 Function |
| %22 = OpVariable %21 Function |
| OpStore %8 %9 |
| OpStore %12 %13 |
| OpStore %16 %18 |
| OpStore %22 %24 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| auto insert_before = MakeInstructionDescriptor(5, SpvOpReturn, 0); |
| const auto synonym_type = protobufs::TransformationAddSynonym::COPY_OBJECT; |
| |
| ASSERT_FALSE( |
| TransformationAddSynonym::IsAdditionalConstantRequired(synonym_type)); |
| |
| uint32_t fresh_id = 50; |
| for (auto result_id : {9, 13, 17, 18, 23, 24, 22}) { |
| TransformationAddSynonym transformation(result_id, synonym_type, fresh_id, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(result_id, {}), MakeDataDescriptor(fresh_id, {}))); |
| ++fresh_id; |
| } |
| |
| std::string expected_shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpDecorate %8 RelaxedPrecision |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Function %6 |
| %9 = OpConstant %6 4 |
| %10 = OpTypeFloat 32 |
| %11 = OpTypePointer Function %10 |
| %13 = OpConstant %10 4 |
| %14 = OpTypeVector %10 2 |
| %15 = OpTypePointer Function %14 |
| %17 = OpConstant %10 3.4000001 |
| %18 = OpConstantComposite %14 %17 %17 |
| %19 = OpTypeBool |
| %20 = OpTypeStruct %19 |
| %21 = OpTypePointer Function %20 |
| %23 = OpConstantTrue %19 |
| %24 = OpConstantComposite %20 %23 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %12 = OpVariable %11 Function |
| %16 = OpVariable %15 Function |
| %22 = OpVariable %21 Function |
| OpStore %8 %9 |
| OpStore %12 %13 |
| OpStore %16 %18 |
| OpStore %22 %24 |
| %50 = OpCopyObject %6 %9 |
| %51 = OpCopyObject %10 %13 |
| %52 = OpCopyObject %10 %17 |
| %53 = OpCopyObject %14 %18 |
| %54 = OpCopyObject %19 %23 |
| %55 = OpCopyObject %20 %24 |
| %56 = OpCopyObject %21 %22 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationAddSynonymTest, CopyBooleanConstants) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| %2 = OpTypeVoid |
| %6 = OpTypeBool |
| %7 = OpConstantTrue %6 |
| %8 = OpConstantFalse %6 |
| %3 = OpTypeFunction %2 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| ASSERT_EQ(0, transformation_context.GetFactManager() |
| ->GetIdsForWhichSynonymsAreKnown() |
| .size()); |
| |
| { |
| TransformationAddSynonym copy_true( |
| 7, protobufs::TransformationAddSynonym::COPY_OBJECT, 100, |
| MakeInstructionDescriptor(5, SpvOpReturn, 0)); |
| ASSERT_TRUE(copy_true.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(copy_true, context.get(), &transformation_context); |
| |
| std::vector<uint32_t> ids_for_which_synonyms_are_known = |
| transformation_context.GetFactManager() |
| ->GetIdsForWhichSynonymsAreKnown(); |
| ASSERT_EQ(2, ids_for_which_synonyms_are_known.size()); |
| ASSERT_TRUE(std::find(ids_for_which_synonyms_are_known.begin(), |
| ids_for_which_synonyms_are_known.end(), |
| 7) != ids_for_which_synonyms_are_known.end()); |
| ASSERT_EQ( |
| 2, transformation_context.GetFactManager()->GetSynonymsForId(7).size()); |
| protobufs::DataDescriptor descriptor_100 = MakeDataDescriptor(100, {}); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(7, {}), descriptor_100)); |
| } |
| |
| { |
| TransformationAddSynonym copy_false( |
| 8, protobufs::TransformationAddSynonym::COPY_OBJECT, 101, |
| MakeInstructionDescriptor(100, SpvOpReturn, 0)); |
| ASSERT_TRUE(copy_false.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(copy_false, context.get(), &transformation_context); |
| std::vector<uint32_t> ids_for_which_synonyms_are_known = |
| transformation_context.GetFactManager() |
| ->GetIdsForWhichSynonymsAreKnown(); |
| ASSERT_EQ(4, ids_for_which_synonyms_are_known.size()); |
| ASSERT_TRUE(std::find(ids_for_which_synonyms_are_known.begin(), |
| ids_for_which_synonyms_are_known.end(), |
| 8) != ids_for_which_synonyms_are_known.end()); |
| ASSERT_EQ( |
| 2, transformation_context.GetFactManager()->GetSynonymsForId(8).size()); |
| protobufs::DataDescriptor descriptor_101 = MakeDataDescriptor(101, {}); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(8, {}), descriptor_101)); |
| } |
| |
| { |
| TransformationAddSynonym copy_false_again( |
| 101, protobufs::TransformationAddSynonym::COPY_OBJECT, 102, |
| MakeInstructionDescriptor(5, SpvOpReturn, 0)); |
| ASSERT_TRUE( |
| copy_false_again.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(copy_false_again, context.get(), |
| &transformation_context); |
| std::vector<uint32_t> ids_for_which_synonyms_are_known = |
| transformation_context.GetFactManager() |
| ->GetIdsForWhichSynonymsAreKnown(); |
| ASSERT_EQ(5, ids_for_which_synonyms_are_known.size()); |
| ASSERT_TRUE(std::find(ids_for_which_synonyms_are_known.begin(), |
| ids_for_which_synonyms_are_known.end(), |
| 101) != ids_for_which_synonyms_are_known.end()); |
| ASSERT_EQ( |
| 3, |
| transformation_context.GetFactManager()->GetSynonymsForId(101).size()); |
| protobufs::DataDescriptor descriptor_102 = MakeDataDescriptor(102, {}); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(101, {}), descriptor_102)); |
| } |
| |
| { |
| TransformationAddSynonym copy_true_again( |
| 7, protobufs::TransformationAddSynonym::COPY_OBJECT, 103, |
| MakeInstructionDescriptor(102, SpvOpReturn, 0)); |
| ASSERT_TRUE( |
| copy_true_again.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(copy_true_again, context.get(), |
| &transformation_context); |
| std::vector<uint32_t> ids_for_which_synonyms_are_known = |
| transformation_context.GetFactManager() |
| ->GetIdsForWhichSynonymsAreKnown(); |
| ASSERT_EQ(6, ids_for_which_synonyms_are_known.size()); |
| ASSERT_TRUE(std::find(ids_for_which_synonyms_are_known.begin(), |
| ids_for_which_synonyms_are_known.end(), |
| 7) != ids_for_which_synonyms_are_known.end()); |
| ASSERT_EQ( |
| 3, transformation_context.GetFactManager()->GetSynonymsForId(7).size()); |
| protobufs::DataDescriptor descriptor_103 = MakeDataDescriptor(103, {}); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(7, {}), descriptor_103)); |
| } |
| |
| 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 |
| OpName %4 "main" |
| %2 = OpTypeVoid |
| %6 = OpTypeBool |
| %7 = OpConstantTrue %6 |
| %8 = OpConstantFalse %6 |
| %3 = OpTypeFunction %2 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %100 = OpCopyObject %6 %7 |
| %101 = OpCopyObject %6 %8 |
| %102 = OpCopyObject %6 %101 |
| %103 = OpCopyObject %6 %7 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| TEST(TransformationAddSynonymTest, CheckIllegalCases) { |
| // The following SPIR-V comes from this GLSL, pushed through spirv-opt |
| // and then doctored a bit. |
| // |
| // #version 310 es |
| // |
| // precision highp float; |
| // |
| // struct S { |
| // int a; |
| // float b; |
| // }; |
| // |
| // layout(set = 0, binding = 2) uniform block { |
| // S s; |
| // lowp float f; |
| // int ii; |
| // } ubuf; |
| // |
| // layout(location = 0) out vec4 color; |
| // |
| // void main() { |
| // float c = 0.0; |
| // lowp float d = 0.0; |
| // S localS = ubuf.s; |
| // for (int i = 0; i < ubuf.s.a; i++) { |
| // switch (ubuf.ii) { |
| // case 0: |
| // c += 0.1; |
| // d += 0.2; |
| // case 1: |
| // c += 0.1; |
| // if (c > d) { |
| // d += 0.2; |
| // } else { |
| // d += c; |
| // } |
| // break; |
| // default: |
| // i += 1; |
| // localS.b += d; |
| // } |
| // } |
| // color = vec4(c, d, localS.b, 1.0); |
| // } |
| |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" %80 |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| OpName %12 "S" |
| OpMemberName %12 0 "a" |
| OpMemberName %12 1 "b" |
| OpName %15 "S" |
| OpMemberName %15 0 "a" |
| OpMemberName %15 1 "b" |
| OpName %16 "block" |
| OpMemberName %16 0 "s" |
| OpMemberName %16 1 "f" |
| OpMemberName %16 2 "ii" |
| OpName %18 "ubuf" |
| OpName %80 "color" |
| OpMemberDecorate %12 0 RelaxedPrecision |
| OpMemberDecorate %15 0 RelaxedPrecision |
| OpMemberDecorate %15 0 Offset 0 |
| OpMemberDecorate %15 1 Offset 4 |
| OpMemberDecorate %16 0 Offset 0 |
| OpMemberDecorate %16 1 RelaxedPrecision |
| OpMemberDecorate %16 1 Offset 16 |
| OpMemberDecorate %16 2 RelaxedPrecision |
| OpMemberDecorate %16 2 Offset 20 |
| OpDecorate %16 Block |
| OpDecorate %18 DescriptorSet 0 |
| OpDecorate %18 Binding 2 |
| OpDecorate %38 RelaxedPrecision |
| OpDecorate %43 RelaxedPrecision |
| OpDecorate %53 RelaxedPrecision |
| OpDecorate %62 RelaxedPrecision |
| OpDecorate %69 RelaxedPrecision |
| OpDecorate %77 RelaxedPrecision |
| OpDecorate %80 Location 0 |
| OpDecorate %101 RelaxedPrecision |
| OpDecorate %102 RelaxedPrecision |
| OpDecorate %96 RelaxedPrecision |
| OpDecorate %108 RelaxedPrecision |
| OpDecorate %107 RelaxedPrecision |
| OpDecorate %98 RelaxedPrecision |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeFloat 32 |
| %9 = OpConstant %6 0 |
| %11 = OpTypeInt 32 1 |
| %12 = OpTypeStruct %11 %6 |
| %15 = OpTypeStruct %11 %6 |
| %16 = OpTypeStruct %15 %6 %11 |
| %17 = OpTypePointer Uniform %16 |
| %18 = OpVariable %17 Uniform |
| %19 = OpConstant %11 0 |
| %20 = OpTypePointer Uniform %15 |
| %27 = OpConstant %11 1 |
| %36 = OpTypePointer Uniform %11 |
| %39 = OpTypeBool |
| %41 = OpConstant %11 2 |
| %48 = OpConstant %6 0.100000001 |
| %51 = OpConstant %6 0.200000003 |
| %78 = OpTypeVector %6 4 |
| %79 = OpTypePointer Output %78 |
| %80 = OpVariable %79 Output |
| %85 = OpConstant %6 1 |
| %95 = OpUndef %12 |
| %112 = OpTypePointer Uniform %6 |
| %113 = OpTypeInt 32 0 |
| %114 = OpConstant %113 1 |
| %179 = OpTypePointer Function %39 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %180 = OpVariable %179 Function |
| %181 = OpVariable %179 Function |
| %182 = OpVariable %179 Function |
| %21 = OpAccessChain %20 %18 %19 |
| %115 = OpAccessChain %112 %21 %114 |
| %116 = OpLoad %6 %115 |
| %90 = OpCompositeInsert %12 %116 %95 1 |
| OpBranch %30 |
| %30 = OpLabel |
| %99 = OpPhi %12 %90 %5 %109 %47 |
| %98 = OpPhi %6 %9 %5 %107 %47 |
| %97 = OpPhi %6 %9 %5 %105 %47 |
| %96 = OpPhi %11 %19 %5 %77 %47 |
| %37 = OpAccessChain %36 %18 %19 %19 |
| %38 = OpLoad %11 %37 |
| %40 = OpSLessThan %39 %96 %38 |
| OpLoopMerge %32 %47 None |
| OpBranchConditional %40 %31 %32 |
| %31 = OpLabel |
| %42 = OpAccessChain %36 %18 %41 |
| %43 = OpLoad %11 %42 |
| OpSelectionMerge %45 None |
| OpSwitch %43 %46 0 %44 1 %45 |
| %46 = OpLabel |
| %69 = OpIAdd %11 %96 %27 |
| %72 = OpCompositeExtract %6 %99 1 |
| %73 = OpFAdd %6 %72 %98 |
| %93 = OpCompositeInsert %12 %73 %99 1 |
| OpBranch %47 |
| %44 = OpLabel |
| %50 = OpFAdd %6 %97 %48 |
| %53 = OpFAdd %6 %98 %51 |
| OpBranch %45 |
| %45 = OpLabel |
| %101 = OpPhi %6 %98 %31 %53 %44 |
| %100 = OpPhi %6 %97 %31 %50 %44 |
| %55 = OpFAdd %6 %100 %48 |
| %58 = OpFOrdGreaterThan %39 %55 %101 |
| OpSelectionMerge %60 None |
| OpBranchConditional %58 %59 %63 |
| %59 = OpLabel |
| %62 = OpFAdd %6 %101 %51 |
| OpBranch %60 |
| %63 = OpLabel |
| %66 = OpFAdd %6 %101 %55 |
| OpBranch %60 |
| %60 = OpLabel |
| %108 = OpPhi %6 %62 %59 %66 %63 |
| OpBranch %47 |
| %47 = OpLabel |
| %109 = OpPhi %12 %93 %46 %99 %60 |
| %107 = OpPhi %6 %98 %46 %108 %60 |
| %105 = OpPhi %6 %97 %46 %55 %60 |
| %102 = OpPhi %11 %69 %46 %96 %60 |
| %77 = OpIAdd %11 %102 %27 |
| OpBranch %30 |
| %32 = OpLabel |
| %84 = OpCompositeExtract %6 %99 1 |
| %86 = OpCompositeConstruct %78 %97 %98 %84 %85 |
| OpStore %80 %86 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| // Inapplicable because %18 is decorated. |
| ASSERT_FALSE(TransformationAddSynonym( |
| 18, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(21, SpvOpAccessChain, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because %77 is decorated. |
| ASSERT_FALSE(TransformationAddSynonym( |
| 77, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(77, SpvOpBranch, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because %80 is decorated. |
| ASSERT_FALSE(TransformationAddSynonym( |
| 80, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(77, SpvOpIAdd, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because %84 is not available at the requested point |
| ASSERT_FALSE(TransformationAddSynonym( |
| 84, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(32, SpvOpCompositeExtract, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Fine because %84 is available at the requested point |
| ASSERT_TRUE(TransformationAddSynonym( |
| 84, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(32, SpvOpCompositeConstruct, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because id %9 is already in use |
| ASSERT_FALSE(TransformationAddSynonym( |
| 84, protobufs::TransformationAddSynonym::COPY_OBJECT, 9, |
| MakeInstructionDescriptor(32, SpvOpCompositeConstruct, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because the requested point does not exist |
| ASSERT_FALSE(TransformationAddSynonym( |
| 84, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(86, SpvOpReturn, 2)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because %9 is not in a function |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(9, SpvOpTypeInt, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because the insert point is right before, or inside, a chunk |
| // of OpPhis |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(30, SpvOpPhi, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(99, SpvOpPhi, 1)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // OK, because the insert point is just after a chunk of OpPhis. |
| ASSERT_TRUE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(96, SpvOpAccessChain, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because the insert point is right after an OpSelectionMerge |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(58, SpvOpBranchConditional, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // OK, because the insert point is right before the OpSelectionMerge |
| ASSERT_TRUE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(58, SpvOpSelectionMerge, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because the insert point is right after an OpSelectionMerge |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(43, SpvOpSwitch, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // OK, because the insert point is right before the OpSelectionMerge |
| ASSERT_TRUE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(43, SpvOpSelectionMerge, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because the insert point is right after an OpLoopMerge |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(40, SpvOpBranchConditional, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // OK, because the insert point is right before the OpLoopMerge |
| ASSERT_TRUE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(40, SpvOpLoopMerge, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because id %300 does not exist |
| ASSERT_FALSE(TransformationAddSynonym( |
| 300, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(40, SpvOpLoopMerge, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Inapplicable because the following instruction is OpVariable |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(180, SpvOpVariable, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(181, SpvOpVariable, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(182, SpvOpVariable, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // OK, because this is just past the group of OpVariable instructions. |
| ASSERT_TRUE(TransformationAddSynonym( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200, |
| MakeInstructionDescriptor(182, SpvOpAccessChain, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationAddSynonymTest, MiscellaneousCopies) { |
| // The following SPIR-V comes from this GLSL: |
| // |
| // #version 310 es |
| // |
| // precision highp float; |
| // |
| // float g; |
| // |
| // vec4 h; |
| // |
| // void main() { |
| // int a; |
| // int b; |
| // b = int(g); |
| // h.x = float(a); |
| // } |
| |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| OpName %8 "b" |
| OpName %11 "g" |
| OpName %16 "h" |
| OpName %17 "a" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Function %6 |
| %9 = OpTypeFloat 32 |
| %10 = OpTypePointer Private %9 |
| %11 = OpVariable %10 Private |
| %14 = OpTypeVector %9 4 |
| %15 = OpTypePointer Private %14 |
| %16 = OpVariable %15 Private |
| %20 = OpTypeInt 32 0 |
| %21 = OpConstant %20 0 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %17 = OpVariable %7 Function |
| %12 = OpLoad %9 %11 |
| %13 = OpConvertFToS %6 %12 |
| OpStore %8 %13 |
| %18 = OpLoad %6 %17 |
| %19 = OpConvertSToF %9 %18 |
| %22 = OpAccessChain %10 %16 %21 |
| OpStore %22 %19 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| std::vector<TransformationAddSynonym> transformations = { |
| TransformationAddSynonym( |
| 19, protobufs::TransformationAddSynonym::COPY_OBJECT, 100, |
| MakeInstructionDescriptor(22, SpvOpStore, 0)), |
| TransformationAddSynonym( |
| 22, protobufs::TransformationAddSynonym::COPY_OBJECT, 101, |
| MakeInstructionDescriptor(22, SpvOpCopyObject, 0)), |
| TransformationAddSynonym( |
| 12, protobufs::TransformationAddSynonym::COPY_OBJECT, 102, |
| MakeInstructionDescriptor(22, SpvOpCopyObject, 0)), |
| TransformationAddSynonym( |
| 11, protobufs::TransformationAddSynonym::COPY_OBJECT, 103, |
| MakeInstructionDescriptor(22, SpvOpCopyObject, 0)), |
| TransformationAddSynonym( |
| 16, protobufs::TransformationAddSynonym::COPY_OBJECT, 104, |
| MakeInstructionDescriptor(22, SpvOpCopyObject, 0)), |
| TransformationAddSynonym( |
| 8, protobufs::TransformationAddSynonym::COPY_OBJECT, 105, |
| MakeInstructionDescriptor(22, SpvOpCopyObject, 0)), |
| TransformationAddSynonym( |
| 17, protobufs::TransformationAddSynonym::COPY_OBJECT, 106, |
| MakeInstructionDescriptor(22, SpvOpCopyObject, 0))}; |
| |
| for (auto& transformation : transformations) { |
| 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 |
| OpName %4 "main" |
| OpName %8 "b" |
| OpName %11 "g" |
| OpName %16 "h" |
| OpName %17 "a" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Function %6 |
| %9 = OpTypeFloat 32 |
| %10 = OpTypePointer Private %9 |
| %11 = OpVariable %10 Private |
| %14 = OpTypeVector %9 4 |
| %15 = OpTypePointer Private %14 |
| %16 = OpVariable %15 Private |
| %20 = OpTypeInt 32 0 |
| %21 = OpConstant %20 0 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %17 = OpVariable %7 Function |
| %12 = OpLoad %9 %11 |
| %13 = OpConvertFToS %6 %12 |
| OpStore %8 %13 |
| %18 = OpLoad %6 %17 |
| %19 = OpConvertSToF %9 %18 |
| %22 = OpAccessChain %10 %16 %21 |
| %106 = OpCopyObject %7 %17 |
| %105 = OpCopyObject %7 %8 |
| %104 = OpCopyObject %15 %16 |
| %103 = OpCopyObject %10 %11 |
| %102 = OpCopyObject %9 %12 |
| %101 = OpCopyObject %10 %22 |
| %100 = OpCopyObject %9 %19 |
| OpStore %22 %19 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| TEST(TransformationAddSynonymTest, DoNotCopyNullPointers) { |
| std::string shader = R"( |
| OpCapability Shader |
| OpCapability VariablePointers |
| %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 |
| %8 = OpConstantNull %7 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| // Illegal to copy null. |
| ASSERT_FALSE(TransformationAddSynonym( |
| 8, protobufs::TransformationAddSynonym::COPY_OBJECT, 100, |
| MakeInstructionDescriptor(5, SpvOpReturn, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationAddSynonymTest, PropagateIrrelevantPointeeFact) { |
| // Checks that if a pointer is known to have an irrelevant value, the same |
| // holds after the pointer is copied. |
| |
| 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 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %9 = OpVariable %7 Function |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| transformation_context.GetFactManager()->AddFactValueOfPointeeIsIrrelevant(8); |
| |
| TransformationAddSynonym transformation1( |
| 8, protobufs::TransformationAddSynonym::COPY_OBJECT, 100, |
| MakeInstructionDescriptor(9, SpvOpReturn, 0)); |
| TransformationAddSynonym transformation2( |
| 9, protobufs::TransformationAddSynonym::COPY_OBJECT, 101, |
| MakeInstructionDescriptor(9, SpvOpReturn, 0)); |
| TransformationAddSynonym transformation3( |
| 100, protobufs::TransformationAddSynonym::COPY_OBJECT, 102, |
| MakeInstructionDescriptor(9, SpvOpReturn, 0)); |
| |
| ASSERT_TRUE( |
| transformation1.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation1, context.get(), |
| &transformation_context); |
| ASSERT_TRUE( |
| transformation2.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation2, context.get(), |
| &transformation_context); |
| ASSERT_TRUE( |
| transformation3.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation3, context.get(), |
| &transformation_context); |
| |
| ASSERT_TRUE( |
| transformation_context.GetFactManager()->PointeeValueIsIrrelevant(8)); |
| ASSERT_TRUE( |
| transformation_context.GetFactManager()->PointeeValueIsIrrelevant(100)); |
| ASSERT_TRUE( |
| transformation_context.GetFactManager()->PointeeValueIsIrrelevant(102)); |
| ASSERT_FALSE( |
| transformation_context.GetFactManager()->PointeeValueIsIrrelevant(9)); |
| ASSERT_FALSE( |
| transformation_context.GetFactManager()->PointeeValueIsIrrelevant(101)); |
| } |
| |
| TEST(TransformationAddSynonymTest, DoNotCopyOpSampledImage) { |
| // This checks that we do not try to copy the result id of an OpSampledImage |
| // instruction. |
| std::string shader = R"( |
| OpCapability Shader |
| OpCapability SampledBuffer |
| OpCapability ImageBuffer |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %2 "main" %40 %41 |
| OpExecutionMode %2 OriginUpperLeft |
| OpSource GLSL 450 |
| OpDecorate %40 DescriptorSet 0 |
| OpDecorate %40 Binding 69 |
| OpDecorate %41 DescriptorSet 0 |
| OpDecorate %41 Binding 1 |
| %54 = OpTypeFloat 32 |
| %76 = OpTypeVector %54 4 |
| %55 = OpConstant %54 0 |
| %56 = OpTypeVector %54 3 |
| %94 = OpTypeVector %54 2 |
| %112 = OpConstantComposite %94 %55 %55 |
| %57 = OpConstantComposite %56 %55 %55 %55 |
| %15 = OpTypeImage %54 2D 2 0 0 1 Unknown |
| %114 = OpTypePointer UniformConstant %15 |
| %38 = OpTypeSampler |
| %125 = OpTypePointer UniformConstant %38 |
| %132 = OpTypeVoid |
| %133 = OpTypeFunction %132 |
| %45 = OpTypeSampledImage %15 |
| %40 = OpVariable %114 UniformConstant |
| %41 = OpVariable %125 UniformConstant |
| %2 = OpFunction %132 None %133 |
| %164 = OpLabel |
| %184 = OpLoad %15 %40 |
| %213 = OpLoad %38 %41 |
| %216 = OpSampledImage %45 %184 %213 |
| %217 = OpImageSampleImplicitLod %76 %216 %112 Bias %55 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| |
| spvtools::ValidatorOptions validator_options; |
| TransformationContext transformation_context( |
| MakeUnique<FactManager>(context.get()), validator_options); |
| ASSERT_FALSE( |
| TransformationAddSynonym( |
| 216, protobufs::TransformationAddSynonym::COPY_OBJECT, 500, |
| MakeInstructionDescriptor(217, SpvOpImageSampleImplicitLod, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationAddSynonymTest, DoNotCopyVoidRunctionResult) { |
| // This checks that we do not try to copy the result of a void function. |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 320 |
| OpName %4 "main" |
| OpName %6 "foo(" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpFunctionCall %2 %6 |
| OpReturn |
| OpFunctionEnd |
| %6 = OpFunction %2 None %3 |
| %7 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| |
| spvtools::ValidatorOptions validator_options; |
| TransformationContext transformation_context( |
| MakeUnique<FactManager>(context.get()), validator_options); |
| ASSERT_FALSE(TransformationAddSynonym( |
| 8, protobufs::TransformationAddSynonym::COPY_OBJECT, 500, |
| MakeInstructionDescriptor(8, SpvOpReturn, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationAddSynonymTest, HandlesDeadBlocks) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 320 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeBool |
| %7 = OpConstantTrue %6 |
| %11 = OpTypePointer Function %6 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %12 = OpVariable %11 Function |
| OpSelectionMerge %10 None |
| OpBranchConditional %7 %8 %9 |
| %8 = OpLabel |
| OpBranch %10 |
| %9 = OpLabel |
| OpBranch %10 |
| %10 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| |
| spvtools::ValidatorOptions validator_options; |
| TransformationContext transformation_context( |
| MakeUnique<FactManager>(context.get()), validator_options); |
| |
| transformation_context.GetFactManager()->AddFactBlockIsDead(9); |
| |
| auto insert_before = MakeInstructionDescriptor(9, SpvOpBranch, 0); |
| |
| ASSERT_FALSE(TransformationAddSynonym( |
| 7, protobufs::TransformationAddSynonym::COPY_OBJECT, 100, |
| insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| ASSERT_FALSE(TransformationAddSynonym( |
| 12, protobufs::TransformationAddSynonym::COPY_OBJECT, 100, |
| insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| } // namespace |
| } // namespace fuzz |
| } // namespace spvtools |
