Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

Rev

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

  1. //===-- AlwaysInliner.h - Pass to inline "always_inline" functions --------===//
  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. /// \file
  10. /// Provides passes to inlining "always_inline" functions.
  11. ///
  12. //===----------------------------------------------------------------------===//
  13.  
  14. #ifndef LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H
  15. #define LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H
  16.  
  17. #include "llvm/IR/PassManager.h"
  18.  
  19. namespace llvm {
  20.  
  21. class Module;
  22. class Pass;
  23.  
  24. /// Inlines functions marked as "always_inline".
  25. ///
  26. /// Note that this does not inline call sites marked as always_inline and does
  27. /// not delete the functions even when all users are inlined. The normal
  28. /// inliner should be used to handle call site inlining, this pass's goal is to
  29. /// be the simplest possible pass to remove always_inline function definitions'
  30. /// uses by inlining them. The \c GlobalDCE pass can be used to remove these
  31. /// functions once all users are gone.
  32. class AlwaysInlinerPass : public PassInfoMixin<AlwaysInlinerPass> {
  33.   bool InsertLifetime;
  34.  
  35. public:
  36.   AlwaysInlinerPass(bool InsertLifetime = true)
  37.       : InsertLifetime(InsertLifetime) {}
  38.  
  39.   PreservedAnalyses run(Module &M, ModuleAnalysisManager &);
  40.   static bool isRequired() { return true; }
  41. };
  42.  
  43. /// Create a legacy pass manager instance of a pass to inline and remove
  44. /// functions marked as "always_inline".
  45. Pass *createAlwaysInlinerLegacyPass(bool InsertLifetime = true);
  46.  
  47. }
  48.  
  49. #endif // LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H
  50.