1// Copyright (c) 2017 Google Inc.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#ifndef SOURCE_OPT_COMPACT_IDS_PASS_H_
16#define SOURCE_OPT_COMPACT_IDS_PASS_H_
17
18#include "source/opt/ir_context.h"
19#include "source/opt/module.h"
20#include "source/opt/pass.h"
21
22namespace spvtools {
23namespace opt {
24
25// See optimizer.hpp for documentation.
26class CompactIdsPass : public Pass {
27 public:
28 const char* name() const override { return "compact-ids"; }
29 Status Process() override;
30
31 // Return the mask of preserved Analyses.
32 IRContext::Analysis GetPreservedAnalyses() override {
33 return IRContext::kAnalysisInstrToBlockMapping |
34 IRContext::kAnalysisDominatorAnalysis |
35 IRContext::kAnalysisLoopAnalysis;
36 }
37};
38
39} // namespace opt
40} // namespace spvtools
41
42#endif // SOURCE_OPT_COMPACT_IDS_PASS_H_
43