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// 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_move_instruction_down.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(TransformationMoveInstructionDownTest, BasicTest) {
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
%9 = OpConstant %6 0
%16 = OpTypeBool
%17 = OpConstantFalse %16
%20 = OpUndef %6
%13 = OpTypePointer Function %6
%4 = OpFunction %2 None %3
%5 = OpLabel
%12 = OpVariable %13 Function
%10 = OpIAdd %6 %9 %9
%11 = OpISub %6 %9 %10
OpStore %12 %10
%14 = OpLoad %6 %12
%15 = OpIMul %6 %9 %14
OpSelectionMerge %19 None
OpBranchConditional %17 %18 %19
%18 = OpLabel
OpBranch %19
%19 = OpLabel
%42 = OpFunctionCall %2 %40
%22 = OpIAdd %6 %15 %15
%21 = OpIAdd %6 %15 %15
OpReturn
OpFunctionEnd
%40 = OpFunction %2 None %3
%41 = 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);
// Instruction descriptor is invalid.
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(30, spv::Op::OpNop, 0))
.IsApplicable(context.get(), transformation_context));
// Opcode is not supported.
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(5, spv::Op::OpLabel, 0))
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(12, spv::Op::OpVariable, 0))
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(42, spv::Op::OpFunctionCall, 0))
.IsApplicable(context.get(), transformation_context));
// Can't move the last instruction in the block.
ASSERT_FALSE(
TransformationMoveInstructionDown(
MakeInstructionDescriptor(15, spv::Op::OpBranchConditional, 0))
.IsApplicable(context.get(), transformation_context));
// Can't move the instruction if the next instruction is the last one in the
// block.
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(21, spv::Op::OpIAdd, 0))
.IsApplicable(context.get(), transformation_context));
// Can't insert instruction's opcode after its successor.
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(15, spv::Op::OpIMul, 0))
.IsApplicable(context.get(), transformation_context));
// Instruction's successor depends on the instruction.
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(10, spv::Op::OpIAdd, 0))
.IsApplicable(context.get(), transformation_context));
{
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(11, spv::Op::OpISub, 0));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
{
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(22, spv::Op::OpIAdd, 0));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
std::string after_transformation = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%9 = OpConstant %6 0
%16 = OpTypeBool
%17 = OpConstantFalse %16
%20 = OpUndef %6
%13 = OpTypePointer Function %6
%4 = OpFunction %2 None %3
%5 = OpLabel
%12 = OpVariable %13 Function
%10 = OpIAdd %6 %9 %9
OpStore %12 %10
%11 = OpISub %6 %9 %10
%14 = OpLoad %6 %12
%15 = OpIMul %6 %9 %14
OpSelectionMerge %19 None
OpBranchConditional %17 %18 %19
%18 = OpLabel
OpBranch %19
%19 = OpLabel
%42 = OpFunctionCall %2 %40
%21 = OpIAdd %6 %15 %15
%22 = OpIAdd %6 %15 %15
OpReturn
OpFunctionEnd
%40 = OpFunction %2 None %3
%41 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
TEST(TransformationMoveInstructionDownTest, HandlesUnsupportedInstructions) {
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %4 "main"
OpExecutionMode %4 LocalSize 16 1 1
OpSource ESSL 320
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 0
%7 = OpConstant %6 2
%20 = OpTypePointer Function %6
%4 = OpFunction %2 None %3
%5 = OpLabel
%21 = OpVariable %20 Function %7
; can swap simple and not supported instructions
%8 = OpCopyObject %6 %7
%9 = OpFunctionCall %2 %12
; cannot swap memory and not supported instruction
%22 = OpLoad %6 %21
%23 = OpFunctionCall %2 %12
; cannot swap barrier and not supported instruction
OpMemoryBarrier %7 %7
%24 = OpFunctionCall %2 %12
OpReturn
OpFunctionEnd
%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);
// Swap memory instruction with an unsupported one.
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(22, spv::Op::OpLoad, 0))
.IsApplicable(context.get(), transformation_context));
// Swap memory barrier with an unsupported one.
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(23, spv::Op::OpMemoryBarrier, 0))
.IsApplicable(context.get(), transformation_context));
// Swap simple instruction with an unsupported one.
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(8, spv::Op::OpCopyObject, 0));
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 GLCompute %4 "main"
OpExecutionMode %4 LocalSize 16 1 1
OpSource ESSL 320
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 0
%7 = OpConstant %6 2
%20 = OpTypePointer Function %6
%4 = OpFunction %2 None %3
%5 = OpLabel
%21 = OpVariable %20 Function %7
; can swap simple and not supported instructions
%9 = OpFunctionCall %2 %12
%8 = OpCopyObject %6 %7
; cannot swap memory and not supported instruction
%22 = OpLoad %6 %21
%23 = OpFunctionCall %2 %12
; cannot swap barrier and not supported instruction
OpMemoryBarrier %7 %7
%24 = OpFunctionCall %2 %12
OpReturn
OpFunctionEnd
%12 = OpFunction %2 None %3
%13 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
TEST(TransformationMoveInstructionDownTest, HandlesBarrierInstructions) {
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %4 "main"
OpExecutionMode %4 LocalSize 16 1 1
OpSource ESSL 320
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 0
%7 = OpConstant %6 2
%20 = OpTypePointer Function %6
%4 = OpFunction %2 None %3
%5 = OpLabel
%21 = OpVariable %20 Function %7
; cannot swap two barrier instructions
OpMemoryBarrier %7 %7
OpMemoryBarrier %7 %7
; cannot swap barrier and memory instructions
OpMemoryBarrier %7 %7
%22 = OpLoad %6 %21
OpMemoryBarrier %7 %7
; can swap barrier and simple instructions
%23 = OpCopyObject %6 %7
OpMemoryBarrier %7 %7
OpReturn
OpFunctionEnd
%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);
// Swap two barrier instructions.
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(21, spv::Op::OpMemoryBarrier, 0))
.IsApplicable(context.get(), transformation_context));
// Swap barrier and memory instructions.
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(21, spv::Op::OpMemoryBarrier, 2))
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(TransformationMoveInstructionDown(
MakeInstructionDescriptor(22, spv::Op::OpLoad, 0))
.IsApplicable(context.get(), transformation_context));
// Swap barrier and simple instructions.
{
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(23, spv::Op::OpCopyObject, 0));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
{
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(22, spv::Op::OpMemoryBarrier, 1));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
ASSERT_TRUE(IsEqual(env, shader, context.get()));
}
TEST(TransformationMoveInstructionDownTest, HandlesSimpleInstructions) {
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %4 "main"
OpExecutionMode %4 LocalSize 16 1 1
OpSource ESSL 320
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 0
%7 = OpConstant %6 2
%20 = OpTypePointer Function %6
%4 = OpFunction %2 None %3
%5 = OpLabel
%21 = OpVariable %20 Function %7
; can swap simple and barrier instructions
%40 = OpCopyObject %6 %7
OpMemoryBarrier %7 %7
; can swap simple and memory instructions
%41 = OpCopyObject %6 %7
%22 = OpLoad %6 %21
; can swap two simple instructions
%23 = OpCopyObject %6 %7
%42 = OpCopyObject %6 %7
OpReturn
OpFunctionEnd
%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);
// Swap simple and barrier instructions.
{
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(40, spv::Op::OpCopyObject, 0));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
{
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(21, spv::Op::OpMemoryBarrier, 0));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
// Swap simple and memory instructions.
{
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(41, spv::Op::OpCopyObject, 0));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
{
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(22, spv::Op::OpLoad, 0));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
// Swap two simple instructions.
{
TransformationMoveInstructionDown transformation(
MakeInstructionDescriptor(23, spv::Op::OpCopyObject, 0));
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 GLCompute %4 "main"
OpExecutionMode %4 LocalSize 16 1 1
OpSource ESSL 320
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 0
%7 = OpConstant %6 2
%20 = OpTypePointer Function %6
%4 = OpFunction %2 None %3
%5 = OpLabel
%21 = OpVariable %20 Function %7
; can swap simple and barrier instructions
%40 = OpCopyObject %6 %7
OpMemoryBarrier %7 %7
; can swap simple and memory instructions
%41 = OpCopyObject %6 %7
%22 = OpLoad %6 %21
; can swap two simple instructions
%42 = OpCopyObject %6 %7
%23 = OpCopyObject %6 %7
OpReturn
OpFunctionEnd
%12 = OpFunction %2 None %3
%13 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
TEST(TransformationMoveInstructionDownTest, HandlesMemoryInstructions) {
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %4 "main"
OpExecutionMode %4 LocalSize 16 1 1
OpSource ESSL 320
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 0
%7 = OpConstant %6 2
%20 = OpTypePointer Function %6
%4 = OpFunction %2 None %3
%5 = OpLabel
%21 = OpVariable %20 Function %7
%22 = OpVariable %20 Function %7
; swap R and R instructions
%23 = OpLoad %6 %21
%24 = OpLoad %6 %22
; swap R and RW instructions
; can't swap
%25 = OpLoad %6 %21
OpCopyMemory %21 %22
; can swap
%26 = OpLoad %6 %21
OpCopyMemory %22 %21
%27 = OpLoad %6 %22
OpCopyMemory %21 %22
%28 = OpLoad %6 %22
OpCopyMemory %22 %21
; swap R and W instructions
; can't swap
%29 = OpLoad %6 %21
OpStore %21 %7
; can swap
%30 = OpLoad %6 %22
OpStore %21 %7
%31 = OpLoad %6 %21
OpStore %22 %7
%32 = OpLoad %6 %22
OpStore %22 %7
; swap RW and RW instructions
; can't swap
OpCopyMemory %21 %21
OpCopyMemory %21 %21
OpCopyMemory %21 %22
OpCopyMemory %21 %21
OpCopyMemory %21 %21
OpCopyMemory %21 %22
; can swap
OpCopyMemory %22 %21
OpCopyMemory %21 %22
OpCopyMemory %22 %21
OpCopyMemory %22 %21
OpCopyMemory %21 %22
OpCopyMemory %21 %22
; swap RW and W instructions
; can't swap
OpCopyMemory %21 %21
OpStore %21 %7
OpStore %21 %7
OpCopyMemory %21 %21
; can swap
OpCopyMemory %22 %21
OpStore %21 %7
OpCopyMemory %21 %22
OpStore %21 %7
OpCopyMemory %21 %21
OpStore %22 %7
; swap W and W instructions
; can't swap
OpStore %21 %7
OpStore %21 %7
; can swap
OpStore %22 %7
OpStore %21 %7
OpStore %22 %7
OpStore %22 %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);
transformation_context.GetFactManager()->AddFactValueOfPointeeIsIrrelevant(
22);
// Invalid swaps.
protobufs::InstructionDescriptor invalid_swaps[] = {
// R and RW
MakeInstructionDescriptor(25, spv::Op::OpLoad, 0),
// R and W
MakeInstructionDescriptor(29, spv::Op::OpLoad, 0),
// RW and RW
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 0),
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 2),
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 4),
// RW and W
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 12),
MakeInstructionDescriptor(32, spv::Op::OpStore, 1),
// W and W
MakeInstructionDescriptor(32, spv::Op::OpStore, 6),
};
for (const auto& descriptor : invalid_swaps) {
ASSERT_FALSE(TransformationMoveInstructionDown(descriptor)
.IsApplicable(context.get(), transformation_context));
}
// Valid swaps.
protobufs::InstructionDescriptor valid_swaps[] = {
// R and R
MakeInstructionDescriptor(23, spv::Op::OpLoad, 0),
MakeInstructionDescriptor(24, spv::Op::OpLoad, 0),
// R and RW
MakeInstructionDescriptor(26, spv::Op::OpLoad, 0),
MakeInstructionDescriptor(25, spv::Op::OpCopyMemory, 1),
MakeInstructionDescriptor(27, spv::Op::OpLoad, 0),
MakeInstructionDescriptor(26, spv::Op::OpCopyMemory, 1),
MakeInstructionDescriptor(28, spv::Op::OpLoad, 0),
MakeInstructionDescriptor(27, spv::Op::OpCopyMemory, 1),
// R and W
MakeInstructionDescriptor(30, spv::Op::OpLoad, 0),
MakeInstructionDescriptor(29, spv::Op::OpStore, 1),
MakeInstructionDescriptor(31, spv::Op::OpLoad, 0),
MakeInstructionDescriptor(30, spv::Op::OpStore, 1),
MakeInstructionDescriptor(32, spv::Op::OpLoad, 0),
MakeInstructionDescriptor(31, spv::Op::OpStore, 1),
// RW and RW
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 6),
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 6),
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 8),
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 8),
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 10),
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 10),
// RW and W
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 14),
MakeInstructionDescriptor(32, spv::Op::OpStore, 3),
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 15),
MakeInstructionDescriptor(32, spv::Op::OpStore, 4),
MakeInstructionDescriptor(32, spv::Op::OpCopyMemory, 16),
MakeInstructionDescriptor(32, spv::Op::OpStore, 5),
// W and W
MakeInstructionDescriptor(32, spv::Op::OpStore, 8),
MakeInstructionDescriptor(32, spv::Op::OpStore, 8),
MakeInstructionDescriptor(32, spv::Op::OpStore, 10),
MakeInstructionDescriptor(32, spv::Op::OpStore, 10),
};
for (const auto& descriptor : valid_swaps) {
TransformationMoveInstructionDown transformation(descriptor);
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
ASSERT_TRUE(IsEqual(env, shader, context.get()));
}
} // namespace
} // namespace fuzz
} // namespace spvtools