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 /// Inlines functions marked as "always_inline". 22 /// 23 /// Note that this does not inline call sites marked as always_inline and does 24 /// not delete the functions even when all users are inlined. The normal 25 /// inliner should be used to handle call site inlining, this pass's goal is to 26 /// be the simplest possible pass to remove always_inline function definitions' 27 /// uses by inlining them. The \c GlobalDCE pass can be used to remove these 28 /// functions once all users are gone. 29 class AlwaysInlinerPass : public PassInfoMixin<AlwaysInlinerPass> { 30 bool InsertLifetime; 31 32 public: 33 AlwaysInlinerPass(bool InsertLifetime = true) InsertLifetime(InsertLifetime)34 : InsertLifetime(InsertLifetime) {} 35 36 PreservedAnalyses run(Module &M, ModuleAnalysisManager &); 37 }; 38 39 /// Create a legacy pass manager instance of a pass to inline and remove 40 /// functions marked as "always_inline". 41 Pass *createAlwaysInlinerLegacyPass(bool InsertLifetime = true); 42 43 } 44 45 #endif // LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H 46