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https://github.com/KhronosGroup/SPIRV-Tools
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d35a78db57
Fixes #4960 * Switches to using enum classes with an underlying type to avoid undefined behaviour
59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
// Copyright (c) 2020 Vasyl Teliman
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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_conditional_branch_operands.h"
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#include "source/fuzz/fuzzer_context.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_conditional_branch_operands.h"
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namespace spvtools {
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namespace fuzz {
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FuzzerPassSwapBranchConditionalOperands::
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FuzzerPassSwapBranchConditionalOperands(
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opt::IRContext* ir_context,
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TransformationContext* transformation_context,
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FuzzerContext* fuzzer_context,
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protobufs::TransformationSequence* transformations,
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bool ignore_inapplicable_transformations)
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: FuzzerPass(ir_context, transformation_context, fuzzer_context,
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transformations, ignore_inapplicable_transformations) {}
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void FuzzerPassSwapBranchConditionalOperands::Apply() {
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ForEachInstructionWithInstructionDescriptor(
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[this](opt::Function* /*unused*/, opt::BasicBlock* /*unused*/,
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opt::BasicBlock::iterator inst_it,
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const protobufs::InstructionDescriptor& instruction_descriptor) {
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const auto& inst = *inst_it;
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if (inst.opcode() != spv::Op::OpBranchConditional) {
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return;
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}
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if (!GetFuzzerContext()->ChoosePercentage(
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GetFuzzerContext()
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->GetChanceOfSwappingConditionalBranchOperands())) {
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return;
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}
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ApplyTransformation(TransformationSwapConditionalBranchOperands(
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instruction_descriptor, GetFuzzerContext()->GetFreshId()));
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});
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}
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} // namespace fuzz
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} // namespace spvtools
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