mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-27 02:10:15 +00:00
bed84792f9
Adapts all transformation classes so that their protobuf message is passed by value and then moved into the message_ field.
60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
// 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_LOOP_PREHEADER_H
|
|
#define SOURCE_FUZZ_TRANSFORMATION_ADD_LOOP_PREHEADER_H
|
|
|
|
#include "source/fuzz/transformation.h"
|
|
|
|
namespace spvtools {
|
|
namespace fuzz {
|
|
|
|
class TransformationAddLoopPreheader : public Transformation {
|
|
public:
|
|
explicit TransformationAddLoopPreheader(
|
|
protobufs::TransformationAddLoopPreheader message);
|
|
|
|
TransformationAddLoopPreheader(uint32_t loop_header_block, uint32_t fresh_id,
|
|
std::vector<uint32_t> phi_id);
|
|
|
|
// - |message_.loop_header_block| must be the id of a loop header block in
|
|
// the given module.
|
|
// - |message_.fresh_id| must be an available id.
|
|
// - |message_.phi_ids| must be a list of available ids.
|
|
// It can be empty if the loop header only has one predecessor outside of
|
|
// the loop. Otherwise, it must contain at least as many ids as OpPhi
|
|
// instructions in the loop header block.
|
|
bool IsApplicable(
|
|
opt::IRContext* ir_context,
|
|
const TransformationContext& transformation_context) const override;
|
|
|
|
// Adds a preheader block as the unique out-of-loop predecessor of the given
|
|
// loop header block. All of the existing out-of-loop predecessors of the
|
|
// header are changed so that they branch to the preheader instead.
|
|
void Apply(opt::IRContext* ir_context,
|
|
TransformationContext* transformation_context) const override;
|
|
|
|
std::unordered_set<uint32_t> GetFreshIds() const override;
|
|
|
|
protobufs::Transformation ToMessage() const override;
|
|
|
|
private:
|
|
protobufs::TransformationAddLoopPreheader message_;
|
|
};
|
|
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|
|
|
|
#endif // SOURCE_FUZZ_TRANSFORMATION_ADD_LOOP_PREHEADER_H
|