BreakCriticalEdges.h 1.3 KB

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