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  1. //===- DCE.h - Dead code elimination ----------------------------*- C++ -*-===//
  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. // This file provides the interface for the Dead Code Elimination pass.
  10. //
  11. //===----------------------------------------------------------------------===//
  12.  
  13. #ifndef LLVM_TRANSFORMS_SCALAR_DCE_H
  14. #define LLVM_TRANSFORMS_SCALAR_DCE_H
  15.  
  16. #include "llvm/IR/PassManager.h"
  17.  
  18. namespace llvm {
  19.  
  20. class Function;
  21.  
  22. /// Basic Dead Code Elimination pass.
  23. class DCEPass : public PassInfoMixin<DCEPass> {
  24. public:
  25.   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
  26. };
  27.  
  28. class RedundantDbgInstEliminationPass
  29.     : public PassInfoMixin<RedundantDbgInstEliminationPass> {
  30. public:
  31.   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
  32. };
  33. }
  34.  
  35. #endif // LLVM_TRANSFORMS_SCALAR_DCE_H
  36.