1// Copyright (c) 2018 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_WORKAROUND1209_H_
16#define SOURCE_OPT_WORKAROUND1209_H_
17
18#include "source/opt/pass.h"
19
20namespace spvtools {
21namespace opt {
22
23// See optimizer.hpp for documentation.
24class Workaround1209 : public Pass {
25 public:
26 const char* name() const override { return "workaround-1209"; }
27 Status Process() override;
28
29 private:
30 // There is at least one driver where an OpUnreachable found in a loop is not
31 // handled correctly. Workaround that by changing the OpUnreachable into a
32 // branch to the loop merge.
33 //
34 // Returns true if the code changed.
35 bool RemoveOpUnreachableInLoops();
36};
37
38} // namespace opt
39} // namespace spvtools
40
41#endif // SOURCE_OPT_WORKAROUND1209_H_
42