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
19namespace llvm {
20
21class Module;
22class 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.
32class AlwaysInlinerPass : public PassInfoMixin<AlwaysInlinerPass> {
33 bool InsertLifetime;
34
35public:
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".
45Pass *createAlwaysInlinerLegacyPass(bool InsertLifetime = true);
46
47}
48
49#endif // LLVM_TRANSFORMS_IPO_ALWAYSINLINER_H
50

source code of llvm/include/llvm/Transforms/IPO/AlwaysInliner.h