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) InsertLifetime(InsertLifetime)35 : 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 47