| // 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/transformation_equation_instruction.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(TransformationEquationInstructionTest, SignedNegate) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpConstant %6 24 |
| %40 = OpTypeBool |
| %41 = OpConstantTrue %40 |
| %20 = OpUndef %6 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %30 = OpCopyObject %6 %7 |
| 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); |
| protobufs::InstructionDescriptor return_instruction = |
| MakeInstructionDescriptor(13, SpvOpReturn, 0); |
| |
| // Bad: id already in use. |
| ASSERT_FALSE(TransformationEquationInstruction(7, SpvOpSNegate, {7}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Bad: identified instruction does not exist. |
| ASSERT_FALSE( |
| TransformationEquationInstruction( |
| 14, SpvOpSNegate, {7}, MakeInstructionDescriptor(13, SpvOpLoad, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Bad: id 100 does not exist |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpSNegate, {100}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Bad: id 20 is an OpUndef |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpSNegate, {20}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Bad: id 30 is not available right before its definition |
| ASSERT_FALSE(TransformationEquationInstruction( |
| 14, SpvOpSNegate, {30}, |
| MakeInstructionDescriptor(30, SpvOpCopyObject, 0)) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Bad: too many arguments to OpSNegate. |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpSNegate, {7, 7}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Bad: 40 is a type id. |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpSNegate, {40}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Bad: wrong type of argument to OpSNegate. |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpSNegate, {41}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| auto transformation1 = TransformationEquationInstruction( |
| 14, SpvOpSNegate, {7}, return_instruction); |
| ASSERT_TRUE( |
| transformation1.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation1, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| auto transformation2 = TransformationEquationInstruction( |
| 15, SpvOpSNegate, {14}, return_instruction); |
| ASSERT_TRUE( |
| transformation2.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation2, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(15, {}), MakeDataDescriptor(7, {}))); |
| |
| std::string after_transformation = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpConstant %6 24 |
| %40 = OpTypeBool |
| %41 = OpConstantTrue %40 |
| %20 = OpUndef %6 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %30 = OpCopyObject %6 %7 |
| %14 = OpSNegate %6 %7 |
| %15 = OpSNegate %6 %14 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, LogicalNot) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeBool |
| %7 = OpConstantTrue %6 |
| %20 = OpTypeInt 32 0 |
| %21 = OpConstant %20 5 |
| %12 = OpFunction %2 None %3 |
| %13 = 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); |
| protobufs::InstructionDescriptor return_instruction = |
| MakeInstructionDescriptor(13, SpvOpReturn, 0); |
| |
| // Bad: too few arguments to OpLogicalNot. |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpLogicalNot, {}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Bad: 6 is a type id. |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpLogicalNot, {6}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Bad: wrong type of argument to OpLogicalNot. |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpLogicalNot, {21}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| auto transformation1 = TransformationEquationInstruction( |
| 14, SpvOpLogicalNot, {7}, return_instruction); |
| ASSERT_TRUE( |
| transformation1.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation1, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| auto transformation2 = TransformationEquationInstruction( |
| 15, SpvOpLogicalNot, {14}, return_instruction); |
| ASSERT_TRUE( |
| transformation2.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation2, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(15, {}), MakeDataDescriptor(7, {}))); |
| |
| std::string after_transformation = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeBool |
| %7 = OpConstantTrue %6 |
| %20 = OpTypeInt 32 0 |
| %21 = OpConstant %20 5 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %14 = OpLogicalNot %6 %7 |
| %15 = OpLogicalNot %6 %14 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, AddSubNegate1) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %30 = OpTypeVector %6 3 |
| %15 = OpConstant %6 24 |
| %16 = OpConstant %6 37 |
| %31 = OpConstantComposite %30 %15 %16 %15 |
| %33 = OpTypeBool |
| %32 = OpConstantTrue %33 |
| %12 = OpFunction %2 None %3 |
| %13 = 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); |
| protobufs::InstructionDescriptor return_instruction = |
| MakeInstructionDescriptor(13, SpvOpReturn, 0); |
| |
| // Bad: too many arguments to OpIAdd. |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpIAdd, {15, 16, 16}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| // Bad: boolean argument to OpIAdd. |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpIAdd, {15, 32}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| // Bad: type as argument to OpIAdd. |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpIAdd, {33, 16}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| // Bad: arguments of mismatched widths |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpIAdd, {15, 31}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| // Bad: arguments of mismatched widths |
| ASSERT_FALSE(TransformationEquationInstruction(14, SpvOpIAdd, {31, 15}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| auto transformation1 = TransformationEquationInstruction( |
| 14, SpvOpIAdd, {15, 16}, return_instruction); |
| ASSERT_TRUE( |
| transformation1.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation1, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| auto transformation2 = TransformationEquationInstruction( |
| 19, SpvOpISub, {14, 16}, return_instruction); |
| ASSERT_TRUE( |
| transformation2.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation2, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(15, {}), MakeDataDescriptor(19, {}))); |
| |
| auto transformation3 = TransformationEquationInstruction( |
| 20, SpvOpISub, {14, 15}, return_instruction); |
| ASSERT_TRUE( |
| transformation3.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation3, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(20, {}), MakeDataDescriptor(16, {}))); |
| |
| auto transformation4 = TransformationEquationInstruction( |
| 22, SpvOpISub, {16, 14}, return_instruction); |
| ASSERT_TRUE( |
| transformation4.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation4, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| auto transformation5 = TransformationEquationInstruction( |
| 24, SpvOpSNegate, {22}, return_instruction); |
| ASSERT_TRUE( |
| transformation5.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation5, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(24, {}), MakeDataDescriptor(15, {}))); |
| |
| std::string after_transformation = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %30 = OpTypeVector %6 3 |
| %15 = OpConstant %6 24 |
| %16 = OpConstant %6 37 |
| %31 = OpConstantComposite %30 %15 %16 %15 |
| %33 = OpTypeBool |
| %32 = OpConstantTrue %33 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %14 = OpIAdd %6 %15 %16 |
| %19 = OpISub %6 %14 %16 ; ==> synonymous(%19, %15) |
| %20 = OpISub %6 %14 %15 ; ==> synonymous(%20, %16) |
| %22 = OpISub %6 %16 %14 |
| %24 = OpSNegate %6 %22 ; ==> synonymous(%24, %15) |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, AddSubNegate2) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %15 = OpConstant %6 24 |
| %16 = OpConstant %6 37 |
| %12 = OpFunction %2 None %3 |
| %13 = 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); |
| protobufs::InstructionDescriptor return_instruction = |
| MakeInstructionDescriptor(13, SpvOpReturn, 0); |
| |
| auto transformation1 = TransformationEquationInstruction( |
| 14, SpvOpISub, {15, 16}, return_instruction); |
| ASSERT_TRUE( |
| transformation1.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation1, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| auto transformation2 = TransformationEquationInstruction( |
| 17, SpvOpIAdd, {14, 16}, return_instruction); |
| ASSERT_TRUE( |
| transformation2.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation2, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(17, {}), MakeDataDescriptor(15, {}))); |
| |
| auto transformation3 = TransformationEquationInstruction( |
| 18, SpvOpIAdd, {16, 14}, return_instruction); |
| ASSERT_TRUE( |
| transformation3.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation3, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(17, {}), MakeDataDescriptor(18, {}))); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(18, {}), MakeDataDescriptor(15, {}))); |
| |
| auto transformation4 = TransformationEquationInstruction( |
| 19, SpvOpISub, {14, 15}, return_instruction); |
| ASSERT_TRUE( |
| transformation4.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation4, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| auto transformation5 = TransformationEquationInstruction( |
| 20, SpvOpSNegate, {19}, return_instruction); |
| ASSERT_TRUE( |
| transformation5.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation5, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(20, {}), MakeDataDescriptor(16, {}))); |
| |
| auto transformation6 = TransformationEquationInstruction( |
| 21, SpvOpISub, {14, 19}, return_instruction); |
| ASSERT_TRUE( |
| transformation6.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation6, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(21, {}), MakeDataDescriptor(15, {}))); |
| |
| auto transformation7 = TransformationEquationInstruction( |
| 22, SpvOpISub, {14, 18}, return_instruction); |
| ASSERT_TRUE( |
| transformation7.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation7, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| auto transformation8 = TransformationEquationInstruction( |
| 23, SpvOpSNegate, {22}, return_instruction); |
| ASSERT_TRUE( |
| transformation8.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation8, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(23, {}), MakeDataDescriptor(16, {}))); |
| |
| std::string after_transformation = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %15 = OpConstant %6 24 |
| %16 = OpConstant %6 37 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %14 = OpISub %6 %15 %16 |
| %17 = OpIAdd %6 %14 %16 ; ==> synonymous(%17, %15) |
| %18 = OpIAdd %6 %16 %14 ; ==> synonymous(%17, %18, %15) |
| %19 = OpISub %6 %14 %15 |
| %20 = OpSNegate %6 %19 ; ==> synonymous(%20, %16) |
| %21 = OpISub %6 %14 %19 ; ==> synonymous(%21, %15) |
| %22 = OpISub %6 %14 %18 |
| %23 = OpSNegate %6 %22 ; ==> synonymous(%23, %16) |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, Bitcast) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %6 2 |
| %10 = OpTypeVector %7 2 |
| %11 = OpTypeVector %8 2 |
| %21 = OpTypeBool |
| %22 = OpTypeVector %21 2 |
| %15 = OpConstant %6 24 |
| %16 = OpConstant %7 24 |
| %17 = OpConstant %8 24 |
| %18 = OpConstantComposite %9 %15 %15 |
| %19 = OpConstantComposite %10 %16 %16 |
| %20 = OpConstantComposite %11 %17 %17 |
| %23 = OpConstantTrue %21 |
| %24 = OpConstantComposite %22 %23 %23 |
| %12 = OpFunction %2 None %3 |
| %13 = 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(13, SpvOpReturn, 0); |
| |
| // Too many operands. |
| ASSERT_FALSE(TransformationEquationInstruction(50, SpvOpBitcast, {15, 16}, |
| insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Too few operands. |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Operand's id is invalid. |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {50}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Operand's type is invalid |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {13}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Operand must be a scalar or a vector of numerical type. |
| #ifndef NDEBUG |
| ASSERT_DEATH( |
| TransformationEquationInstruction(50, SpvOpBitcast, {23}, insert_before) |
| .IsApplicable(context.get(), transformation_context), |
| "Operand is not a scalar or a vector of numerical type"); |
| ASSERT_DEATH( |
| TransformationEquationInstruction(50, SpvOpBitcast, {24}, insert_before) |
| .IsApplicable(context.get(), transformation_context), |
| "Only vectors of numerical components are supported"); |
| #else |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {23}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {24}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| #endif |
| |
| for (uint32_t operand_id = 15, fresh_id = 50; operand_id <= 20; |
| ++operand_id, ++fresh_id) { |
| TransformationEquationInstruction transformation( |
| fresh_id, SpvOpBitcast, {operand_id}, insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| |
| std::string expected_shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %6 2 |
| %10 = OpTypeVector %7 2 |
| %11 = OpTypeVector %8 2 |
| %21 = OpTypeBool |
| %22 = OpTypeVector %21 2 |
| %15 = OpConstant %6 24 |
| %16 = OpConstant %7 24 |
| %17 = OpConstant %8 24 |
| %18 = OpConstantComposite %9 %15 %15 |
| %19 = OpConstantComposite %10 %16 %16 |
| %20 = OpConstantComposite %11 %17 %17 |
| %23 = OpConstantTrue %21 |
| %24 = OpConstantComposite %22 %23 %23 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %50 = OpBitcast %8 %15 |
| %51 = OpBitcast %8 %16 |
| %52 = OpBitcast %6 %17 |
| %53 = OpBitcast %11 %18 |
| %54 = OpBitcast %11 %19 |
| %55 = OpBitcast %9 %20 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, |
| BitcastResultTypeFloatDoesNotExist) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypeInt 32 0 |
| %9 = OpTypeVector %6 2 |
| %10 = OpTypeVector %7 2 |
| %15 = OpConstant %6 24 |
| %16 = OpConstant %7 24 |
| %18 = OpConstantComposite %9 %15 %15 |
| %19 = OpConstantComposite %10 %16 %16 |
| %12 = OpFunction %2 None %3 |
| %13 = 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(13, SpvOpReturn, 0); |
| |
| // Scalar floating-point type does not exist. |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {15}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {16}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Vector of floating-point components does not exist. |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {18}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {19}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationEquationInstructionTest, BitcastResultTypeIntDoesNotExist1) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %8 = OpTypeFloat 32 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = 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(13, SpvOpReturn, 0); |
| |
| // Scalar integral type does not exist. |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {17}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Vector of integral components does not exist. |
| ASSERT_FALSE( |
| TransformationEquationInstruction(50, SpvOpBitcast, {20}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationEquationInstructionTest, BitcastResultTypeIntDoesNotExist2) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %4 2 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = 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(13, SpvOpReturn, 0); |
| |
| { |
| TransformationEquationInstruction transformation(50, SpvOpBitcast, {17}, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(51, SpvOpBitcast, {20}, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| |
| std::string expected_shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %4 2 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %50 = OpBitcast %4 %17 |
| %51 = OpBitcast %9 %20 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, BitcastResultTypeIntDoesNotExist3) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 1 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %4 2 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = 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(13, SpvOpReturn, 0); |
| |
| { |
| TransformationEquationInstruction transformation(50, SpvOpBitcast, {17}, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(51, SpvOpBitcast, {20}, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| |
| std::string expected_shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 1 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %4 2 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %50 = OpBitcast %4 %17 |
| %51 = OpBitcast %9 %20 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, BitcastResultTypeIntDoesNotExist4) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 1 |
| %8 = OpTypeFloat 32 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = 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(13, SpvOpReturn, 0); |
| |
| { |
| TransformationEquationInstruction transformation(50, SpvOpBitcast, {17}, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| |
| ASSERT_FALSE( |
| TransformationEquationInstruction(51, SpvOpBitcast, {20}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| std::string expected_shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 1 |
| %8 = OpTypeFloat 32 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %50 = OpBitcast %4 %17 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, BitcastResultTypeIntDoesNotExist5) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = 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(13, SpvOpReturn, 0); |
| |
| { |
| TransformationEquationInstruction transformation(50, SpvOpBitcast, {17}, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| |
| ASSERT_FALSE( |
| TransformationEquationInstruction(51, SpvOpBitcast, {20}, insert_before) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| std::string expected_shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %50 = OpBitcast %4 %17 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, BitcastResultTypeIntDoesNotExist6) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 1 |
| %5 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %5 2 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = 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(13, SpvOpReturn, 0); |
| |
| { |
| TransformationEquationInstruction transformation(50, SpvOpBitcast, {17}, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(51, SpvOpBitcast, {20}, |
| insert_before); |
| 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 expected_shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 1 |
| %5 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %5 2 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %50 = OpBitcast %4 %17 |
| %51 = OpBitcast %9 %20 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, BitcastResultTypeIntDoesNotExist7) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 1 |
| %5 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %4 2 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = 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(13, SpvOpReturn, 0); |
| |
| { |
| TransformationEquationInstruction transformation(50, SpvOpBitcast, {17}, |
| insert_before); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(51, SpvOpBitcast, {20}, |
| insert_before); |
| 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 expected_shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %4 = OpTypeInt 32 1 |
| %5 = OpTypeInt 32 0 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypeVector %4 2 |
| %11 = OpTypeVector %8 2 |
| %17 = OpConstant %8 24 |
| %20 = OpConstantComposite %11 %17 %17 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %50 = OpBitcast %4 %17 |
| %51 = OpBitcast %9 %20 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, Miscellaneous1) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %113 = OpConstant %6 24 |
| %12 = OpFunction %2 None %3 |
| %13 = 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); |
| protobufs::InstructionDescriptor return_instruction = |
| MakeInstructionDescriptor(13, SpvOpReturn, 0); |
| |
| auto transformation1 = TransformationEquationInstruction( |
| 522, SpvOpISub, {113, 113}, return_instruction); |
| ASSERT_TRUE( |
| transformation1.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation1, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| auto transformation2 = TransformationEquationInstruction( |
| 570, SpvOpIAdd, {522, 113}, return_instruction); |
| ASSERT_TRUE( |
| transformation2.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation2, 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 %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %113 = OpConstant %6 24 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %522 = OpISub %6 %113 %113 |
| %570 = OpIAdd %6 %522 %113 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(570, {}), MakeDataDescriptor(113, {}))); |
| |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, Miscellaneous2) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %113 = OpConstant %6 24 |
| %12 = OpFunction %2 None %3 |
| %13 = 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); |
| protobufs::InstructionDescriptor return_instruction = |
| MakeInstructionDescriptor(13, SpvOpReturn, 0); |
| |
| auto transformation1 = TransformationEquationInstruction( |
| 522, SpvOpISub, {113, 113}, return_instruction); |
| ASSERT_TRUE( |
| transformation1.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation1, context.get(), |
| &transformation_context); |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| auto transformation2 = TransformationEquationInstruction( |
| 570, SpvOpIAdd, {522, 113}, return_instruction); |
| ASSERT_TRUE( |
| transformation2.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation2, 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 %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %113 = OpConstant %6 24 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %522 = OpISub %6 %113 %113 |
| %570 = OpIAdd %6 %522 %113 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(570, {}), MakeDataDescriptor(113, {}))); |
| |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, ConversionInstructions) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %4 = OpTypeInt 32 0 |
| %5 = OpTypeFloat 32 |
| %7 = OpTypeVector %6 3 |
| %8 = OpTypeVector %4 3 |
| %9 = OpTypeVector %5 3 |
| %10 = OpConstant %6 12 |
| %20 = OpConstant %6 12 |
| %11 = OpConstant %4 12 |
| %21 = OpConstant %4 12 |
| %14 = OpConstant %5 12 |
| %15 = OpConstantComposite %7 %10 %10 %10 |
| %18 = OpConstantComposite %7 %10 %10 %10 |
| %16 = OpConstantComposite %8 %11 %11 %11 |
| %19 = OpConstantComposite %8 %11 %11 %11 |
| %17 = OpConstantComposite %9 %14 %14 %14 |
| %12 = OpFunction %2 None %3 |
| %13 = 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); |
| protobufs::InstructionDescriptor return_instruction = |
| MakeInstructionDescriptor(13, SpvOpReturn, 0); |
| |
| // Too few instruction operands. |
| ASSERT_FALSE(TransformationEquationInstruction(50, SpvOpConvertSToF, {}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Too many instruction operands. |
| ASSERT_FALSE(TransformationEquationInstruction(50, SpvOpConvertSToF, {15, 16}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Operand has no type id. |
| ASSERT_FALSE(TransformationEquationInstruction(50, SpvOpConvertSToF, {7}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // OpConvertSToF and OpConvertUToF require an operand to have scalar or vector |
| // of integral components type. |
| ASSERT_FALSE(TransformationEquationInstruction(50, SpvOpConvertSToF, {17}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationEquationInstruction(50, SpvOpConvertSToF, {14}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationEquationInstruction(50, SpvOpConvertUToF, {17}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationEquationInstruction(50, SpvOpConvertUToF, {14}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| { |
| TransformationEquationInstruction transformation(50, SpvOpConvertSToF, {15}, |
| return_instruction); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(51, SpvOpConvertSToF, {10}, |
| return_instruction); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(52, SpvOpConvertUToF, {16}, |
| return_instruction); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(53, SpvOpConvertUToF, {11}, |
| return_instruction); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(58, SpvOpConvertSToF, {18}, |
| return_instruction); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(59, SpvOpConvertUToF, {19}, |
| return_instruction); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(60, SpvOpConvertSToF, {20}, |
| return_instruction); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationEquationInstruction transformation(61, SpvOpConvertUToF, {21}, |
| return_instruction); |
| 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_transformations = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %4 = OpTypeInt 32 0 |
| %5 = OpTypeFloat 32 |
| %7 = OpTypeVector %6 3 |
| %8 = OpTypeVector %4 3 |
| %9 = OpTypeVector %5 3 |
| %10 = OpConstant %6 12 |
| %20 = OpConstant %6 12 |
| %11 = OpConstant %4 12 |
| %21 = OpConstant %4 12 |
| %14 = OpConstant %5 12 |
| %15 = OpConstantComposite %7 %10 %10 %10 |
| %18 = OpConstantComposite %7 %10 %10 %10 |
| %16 = OpConstantComposite %8 %11 %11 %11 |
| %19 = OpConstantComposite %8 %11 %11 %11 |
| %17 = OpConstantComposite %9 %14 %14 %14 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| %50 = OpConvertSToF %9 %15 |
| %51 = OpConvertSToF %5 %10 |
| %52 = OpConvertUToF %9 %16 |
| %53 = OpConvertUToF %5 %11 |
| %58 = OpConvertSToF %9 %18 |
| %59 = OpConvertUToF %9 %19 |
| %60 = OpConvertSToF %5 %20 |
| %61 = OpConvertUToF %5 %21 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, after_transformations, context.get())); |
| } |
| |
| TEST(TransformationEquationInstructionTest, FloatResultTypeDoesNotExist) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 0 |
| %7 = OpTypeInt 32 1 |
| %8 = OpTypeVector %6 3 |
| %9 = OpTypeVector %7 3 |
| %10 = OpConstant %6 24 |
| %11 = OpConstant %7 25 |
| %14 = OpConstantComposite %8 %10 %10 %10 |
| %15 = OpConstantComposite %9 %11 %11 %11 |
| %12 = OpFunction %2 None %3 |
| %13 = 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); |
| protobufs::InstructionDescriptor return_instruction = |
| MakeInstructionDescriptor(13, SpvOpReturn, 0); |
| |
| // Scalar float type doesn't exist. |
| ASSERT_FALSE(TransformationEquationInstruction(16, SpvOpConvertUToF, {10}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationEquationInstruction(16, SpvOpConvertSToF, {11}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Vector float type doesn't exist. |
| ASSERT_FALSE(TransformationEquationInstruction(16, SpvOpConvertUToF, {14}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| ASSERT_FALSE(TransformationEquationInstruction(16, SpvOpConvertSToF, {15}, |
| return_instruction) |
| .IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationEquationInstructionTest, HandlesIrrelevantIds) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %30 = OpTypeVector %6 3 |
| %15 = OpConstant %6 24 |
| %16 = OpConstant %6 37 |
| %31 = OpConstantComposite %30 %15 %16 %15 |
| %33 = OpTypeBool |
| %32 = OpConstantTrue %33 |
| %12 = OpFunction %2 None %3 |
| %13 = 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 return_instruction = MakeInstructionDescriptor(13, SpvOpReturn, 0); |
| |
| // Applicable. |
| TransformationEquationInstruction transformation(14, SpvOpIAdd, {15, 16}, |
| return_instruction); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| |
| // Handles irrelevant ids. |
| transformation_context.GetFactManager()->AddFactIdIsIrrelevant(16); |
| ASSERT_FALSE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| transformation_context.GetFactManager()->AddFactIdIsIrrelevant(15); |
| ASSERT_FALSE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| } |
| |
| TEST(TransformationEquationInstructionTest, HandlesDeadBlock) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %12 "main" |
| OpExecutionMode %12 OriginUpperLeft |
| OpSource ESSL 310 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %30 = OpTypeVector %6 3 |
| %15 = OpConstant %6 24 |
| %16 = OpConstant %6 37 |
| %31 = OpConstantComposite %30 %15 %16 %15 |
| %33 = OpTypeBool |
| %32 = OpConstantTrue %33 |
| %12 = OpFunction %2 None %3 |
| %13 = OpLabel |
| OpSelectionMerge %40 None |
| OpBranchConditional %32 %40 %41 |
| %41 = OpLabel |
| OpBranch %40 |
| %40 = 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); |
| |
| transformation_context.GetFactManager()->AddFactBlockIsDead(41); |
| |
| TransformationEquationInstruction transformation1( |
| 14, SpvOpIAdd, {15, 16}, |
| MakeInstructionDescriptor(13, SpvOpSelectionMerge, 0)); |
| // No synonym is created since block is dead. |
| TransformationEquationInstruction transformation2( |
| 100, SpvOpISub, {14, 16}, MakeInstructionDescriptor(41, SpvOpBranch, 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_FALSE(transformation_context.GetFactManager()->IsSynonymous( |
| MakeDataDescriptor(100, {}), MakeDataDescriptor(15, {}))); |
| } |
| |
| } // namespace |
| } // namespace fuzz |
| } // namespace spvtools |
