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// Copyright (c) 2020 Google LLC
//
// 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.
#ifndef SOURCE_FUZZ_TRANSFORMATION_ADD_RELAXED_DECORATION_H_
#define SOURCE_FUZZ_TRANSFORMATION_ADD_RELAXED_DECORATION_H_
#include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
#include "source/fuzz/transformation.h"
#include "source/fuzz/transformation_context.h"
#include "source/opt/ir_context.h"
namespace spvtools {
namespace fuzz {
class TransformationAddRelaxedDecoration : public Transformation {
public:
explicit TransformationAddRelaxedDecoration(
protobufs::TransformationAddRelaxedDecoration message);
explicit TransformationAddRelaxedDecoration(uint32_t fresh_id);
// - |message_.result_id| must be the result id of an instruction, which is
// located in a dead block and Relaxed decoration can be applied.
// - It does not matter whether this instruction is already annotated with the
// Relaxed decoration.
bool IsApplicable(
opt::IRContext* ir_context,
const TransformationContext& transformation_context) const override;
// Adds a decoration of the form:
// 'OpDecoration |message_.result_id| RelaxedPrecision'
// to the module.
void Apply(opt::IRContext* ir_context,
TransformationContext* transformation_context) const override;
std::unordered_set<uint32_t> GetFreshIds() const override;
protobufs::Transformation ToMessage() const override;
// Returns true if and only if |opcode| is the opcode of an instruction
// that operates on 32-bit integers and 32-bit floats
// as defined by the SPIR-V specification.
static bool IsNumeric(spv::Op opcode);
private:
protobufs::TransformationAddRelaxedDecoration message_;
};
} // namespace fuzz
} // namespace spvtools
#endif // SOURCE_FUZZ_TRANSFORMATION_ADD_RELAXED_DECORATION_H_
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