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