mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
// 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_replace_linear_algebra_instructions.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_replace_linear_algebra_instruction.h"
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namespace spvtools {
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namespace fuzz {
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FuzzerPassReplaceLinearAlgebraInstructions::
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FuzzerPassReplaceLinearAlgebraInstructions(
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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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: FuzzerPass(ir_context, transformation_context, fuzzer_context,
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transformations) {}
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FuzzerPassReplaceLinearAlgebraInstructions::
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~FuzzerPassReplaceLinearAlgebraInstructions() = default;
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void FuzzerPassReplaceLinearAlgebraInstructions::Apply() {
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// For each instruction, checks whether it is a linear algebra instruction. In
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// this case, the transformation is randomly applied.
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GetIRContext()->module()->ForEachInst([this](opt::Instruction* instruction) {
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if (!spvOpcodeIsLinearAlgebra(instruction->opcode())) {
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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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->GetChanceOfReplacingLinearAlgebraInstructions())) {
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return;
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}
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ApplyTransformation(TransformationReplaceLinearAlgebraInstruction(
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GetFuzzerContext()->GetFreshIds(
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TransformationReplaceLinearAlgebraInstruction::
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GetRequiredFreshIdCount(GetIRContext(), instruction)),
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MakeInstructionDescriptor(GetIRContext(), instruction)));
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});
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}
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} // namespace fuzz
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} // namespace spvtools
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