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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/fuzzer_pass_invert_comparison_operators.h"
#include "source/fuzz/fuzzer_context.h"
#include "source/fuzz/fuzzer_util.h"
#include "source/fuzz/transformation_invert_comparison_operator.h"
namespace spvtools {
namespace fuzz {
FuzzerPassInvertComparisonOperators::FuzzerPassInvertComparisonOperators(
opt::IRContext* ir_context, TransformationContext* transformation_context,
FuzzerContext* fuzzer_context,
protobufs::TransformationSequence* transformations,
bool ignore_inapplicable_transformations)
: FuzzerPass(ir_context, transformation_context, fuzzer_context,
transformations, ignore_inapplicable_transformations) {}
void FuzzerPassInvertComparisonOperators::Apply() {
GetIRContext()->module()->ForEachInst([this](const opt::Instruction* inst) {
if (!TransformationInvertComparisonOperator::IsInversionSupported(
inst->opcode())) {
return;
}
if (!GetFuzzerContext()->ChoosePercentage(
GetFuzzerContext()->GetChanceOfInvertingComparisonOperators())) {
return;
}
ApplyTransformation(TransformationInvertComparisonOperator(
inst->result_id(), GetFuzzerContext()->GetFreshId()));
});
}
} // namespace fuzz
} // namespace spvtools
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