LLVM  10.0.0svn
AlwaysInliner.h
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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)
34  : InsertLifetime(InsertLifetime) {}
35 
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
Pass interface - Implemented by all &#39;passes&#39;.
Definition: Pass.h:80
This class represents lattice values for constants.
Definition: AllocatorList.h:23
A Module instance is used to store all the information related to an LLVM module. ...
Definition: Module.h:65
AlwaysInlinerPass(bool InsertLifetime=true)
Definition: AlwaysInliner.h:33
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:372
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:153
Pass * createAlwaysInlinerLegacyPass(bool InsertLifetime=true)
Create a legacy pass manager instance of a pass to inline and remove functions marked as "always_inli...
PreservedAnalyses run(Module &M, ModuleAnalysisManager &)
Inlines functions marked as "always_inline".
Definition: AlwaysInliner.h:29
A container for analyses that lazily runs them and caches their results.
This header defines various interfaces for pass management in LLVM.