mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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51 lines
2.0 KiB
C++
51 lines
2.0 KiB
C++
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// Copyright (c) 2020 André Perez Maselco
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "source/fuzz/fuzzer_pass_swap_commutable_operands.h"
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#include "source/fuzz/fuzzer_util.h"
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#include "source/fuzz/instruction_descriptor.h"
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#include "source/fuzz/transformation_swap_commutable_operands.h"
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namespace spvtools {
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namespace fuzz {
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FuzzerPassSwapCommutableOperands::FuzzerPassSwapCommutableOperands(
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opt::IRContext* ir_context, FactManager* fact_manager,
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FuzzerContext* fuzzer_context,
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protobufs::TransformationSequence* transformations)
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: FuzzerPass(ir_context, fact_manager, fuzzer_context, transformations) {}
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FuzzerPassSwapCommutableOperands::~FuzzerPassSwapCommutableOperands() = default;
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void FuzzerPassSwapCommutableOperands::Apply() {
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auto context = GetIRContext();
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// Iterates over the module's instructions and checks whether it is
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// commutative. In this case, the transformation is probabilistically applied.
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context->module()->ForEachInst(
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[this, context](opt::Instruction* instruction) {
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if (spvOpcodeIsCommutativeBinaryOperator(instruction->opcode()) &&
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GetFuzzerContext()->ChooseEven()) {
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auto instructionDescriptor =
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MakeInstructionDescriptor(context, instruction);
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auto transformation =
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TransformationSwapCommutableOperands(instructionDescriptor);
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ApplyTransformation(transformation);
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}
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});
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}
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} // namespace fuzz
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} // namespace spvtools
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