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       1             : //===-- AlwaysInliner.h - Pass to inline "always_inline" functions --------===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : ///
      10             : /// \file
      11             : /// Provides passes to inlining "always_inline" functions.
      12             : ///
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #ifndef LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H
      16             : #define LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H
      17             : 
      18             : #include "llvm/IR/PassManager.h"
      19             : 
      20             : namespace llvm {
      21             : 
      22             : /// Inlines functions marked as "always_inline".
      23             : ///
      24             : /// Note that this does not inline call sites marked as always_inline and does
      25             : /// not delete the functions even when all users are inlined. The normal
      26             : /// inliner should be used to handle call site inlining, this pass's goal is to
      27             : /// be the simplest possible pass to remove always_inline function definitions'
      28             : /// uses by inlining them. The \c GlobalDCE pass can be used to remove these
      29             : /// functions once all users are gone.
      30             : class AlwaysInlinerPass : public PassInfoMixin<AlwaysInlinerPass> {
      31             :   bool InsertLifetime;
      32             : 
      33             : public:
      34             :   AlwaysInlinerPass(bool InsertLifetime = true)
      35          15 :       : InsertLifetime(InsertLifetime) {}
      36             : 
      37             :   PreservedAnalyses run(Module &M, ModuleAnalysisManager &);
      38             : };
      39             : 
      40             : /// Create a legacy pass manager instance of a pass to inline and remove
      41             : /// functions marked as "always_inline".
      42             : Pass *createAlwaysInlinerLegacyPass(bool InsertLifetime = true);
      43             : 
      44             : }
      45             : 
      46             : #endif // LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H