Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

Rev

Blame | Last modification | View Log | Download | RSS feed

  1. //===- BreakCriticalEdges.h - Critical Edge Elimination Pass --------------===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8. //
  9. // BreakCriticalEdges pass - Break all of the critical edges in the CFG by
  10. // inserting a dummy basic block.  This pass may be "required" by passes that
  11. // cannot deal with critical edges.  For this usage, the structure type is
  12. // forward declared.  This pass obviously invalidates the CFG, but can update
  13. // dominator trees.
  14. //
  15. //===----------------------------------------------------------------------===//
  16.  
  17. #ifndef LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H
  18. #define LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H
  19.  
  20. #include "llvm/IR/PassManager.h"
  21.  
  22. namespace llvm {
  23.  
  24. class Function;
  25. struct BreakCriticalEdgesPass : public PassInfoMixin<BreakCriticalEdgesPass> {
  26.   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
  27. };
  28. } // namespace llvm
  29. #endif // LLVM_TRANSFORMS_UTILS_BREAKCRITICALEDGES_H
  30.