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 
22 namespace spvtools {
23 namespace opt {
24 
25 // See optimizer.hpp for documentation.
26 class CompactIdsPass : public Pass {
27  public:
name()28   const char* name() const override { return "compact-ids"; }
29   Status Process() override;
30 
31   // Return the mask of preserved Analyses.
GetPreservedAnalyses()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