1 // Copyright (c) 2019 Google LLC.
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_AMD_EXT_TO_KHR_H_
16 #define SOURCE_OPT_AMD_EXT_TO_KHR_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 // Replaces the extensions VK_AMD_shader_ballot, VK_AMD_gcn_shader, and
26 // VK_AMD_shader_trinary_minmax with equivalant code using core instructions and
27 // capabilities.
28 class AmdExtensionToKhrPass : public Pass {
29  public:
name()30   const char* name() const override { return "amd-ext-to-khr"; }
31   Status Process() override;
32 
GetPreservedAnalyses()33   IRContext::Analysis GetPreservedAnalyses() override {
34     return IRContext::kAnalysisInstrToBlockMapping |
35            IRContext::kAnalysisDecorations | IRContext::kAnalysisCombinators |
36            IRContext::kAnalysisCFG | IRContext::kAnalysisDominatorAnalysis |
37            IRContext::kAnalysisLoopAnalysis | IRContext::kAnalysisNameMap |
38            IRContext::kAnalysisScalarEvolution |
39            IRContext::kAnalysisRegisterPressure |
40            IRContext::kAnalysisValueNumberTable |
41            IRContext::kAnalysisStructuredCFG |
42            IRContext::kAnalysisBuiltinVarId |
43            IRContext::kAnalysisIdToFuncMapping | IRContext::kAnalysisTypes |
44            IRContext::kAnalysisDefUse | IRContext::kAnalysisConstants;
45   }
46 };
47 
48 }  // namespace opt
49 }  // namespace spvtools
50 
51 #endif  // SOURCE_OPT_AMD_EXT_TO_KHR_H_
52