SPIRV-Tools/source/opt/loop_unroller.h

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// Copyright (c) 2018 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_OPT_LOOP_UNROLLER_H_
#define SOURCE_OPT_LOOP_UNROLLER_H_
#include "source/opt/pass.h"
namespace spvtools {
namespace opt {
class LoopUnroller : public Pass {
public:
LoopUnroller() : Pass(), fully_unroll_(true), unroll_factor_(0) {}
LoopUnroller(bool fully_unroll, int unroll_factor)
: Pass(), fully_unroll_(fully_unroll), unroll_factor_(unroll_factor) {}
const char* name() const override { return "loop-unroll"; }
Status Process() override;
IRContext::Analysis GetPreservedAnalyses() override {
return IRContext::kAnalysisDefUse |
IRContext::kAnalysisInstrToBlockMapping |
IRContext::kAnalysisDecorations | IRContext::kAnalysisCombinators |
IRContext::kAnalysisNameMap | IRContext::kAnalysisConstants |
IRContext::kAnalysisTypes;
}
private:
bool fully_unroll_;
int unroll_factor_;
};
} // namespace opt
} // namespace spvtools
#endif // SOURCE_OPT_LOOP_UNROLLER_H_