1 | //===- ReplayInlineAdvisor.h - Replay Inline Advisor interface -*- C++ --*-===// |
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 | #ifndef LLVM_ANALYSIS_REPLAYINLINEADVISOR_H |
10 | #define LLVM_ANALYSIS_REPLAYINLINEADVISOR_H |
11 | |
12 | #include "llvm/ADT/StringSet.h" |
13 | #include "llvm/Analysis/InlineAdvisor.h" |
14 | |
15 | namespace llvm { |
16 | class CallBase; |
17 | class Function; |
18 | class LLVMContext; |
19 | class Module; |
20 | |
21 | struct CallSiteFormat { |
22 | enum class Format : int { |
23 | Line, |
24 | LineColumn, |
25 | LineDiscriminator, |
26 | LineColumnDiscriminator |
27 | }; |
28 | |
29 | bool outputColumn() const { |
30 | return OutputFormat == Format::LineColumn || |
31 | OutputFormat == Format::LineColumnDiscriminator; |
32 | } |
33 | |
34 | bool outputDiscriminator() const { |
35 | return OutputFormat == Format::LineDiscriminator || |
36 | OutputFormat == Format::LineColumnDiscriminator; |
37 | } |
38 | |
39 | Format OutputFormat; |
40 | }; |
41 | |
42 | /// Replay Inliner Setup |
43 | struct ReplayInlinerSettings { |
44 | enum class Scope : int { Function, Module }; |
45 | enum class Fallback : int { Original, AlwaysInline, NeverInline }; |
46 | |
47 | StringRef ReplayFile; |
48 | Scope ReplayScope; |
49 | Fallback ReplayFallback; |
50 | CallSiteFormat ReplayFormat; |
51 | }; |
52 | |
53 | /// Get call site location as a string with the given format |
54 | std::string formatCallSiteLocation(DebugLoc DLoc, const CallSiteFormat &Format); |
55 | |
56 | std::unique_ptr<InlineAdvisor> |
57 | getReplayInlineAdvisor(Module &M, FunctionAnalysisManager &FAM, |
58 | LLVMContext &Context, |
59 | std::unique_ptr<InlineAdvisor> OriginalAdvisor, |
60 | const ReplayInlinerSettings &ReplaySettings, |
61 | bool , InlineContext IC); |
62 | |
63 | /// Replay inline advisor that uses optimization remarks from inlining of |
64 | /// previous build to guide current inlining. This is useful for inliner tuning. |
65 | class ReplayInlineAdvisor : public InlineAdvisor { |
66 | public: |
67 | ReplayInlineAdvisor(Module &M, FunctionAnalysisManager &FAM, |
68 | LLVMContext &Context, |
69 | std::unique_ptr<InlineAdvisor> OriginalAdvisor, |
70 | const ReplayInlinerSettings &ReplaySettings, |
71 | bool , InlineContext IC); |
72 | std::unique_ptr<InlineAdvice> getAdviceImpl(CallBase &CB) override; |
73 | bool () const { return HasReplayRemarks; } |
74 | |
75 | private: |
76 | bool hasInlineAdvice(Function &F) const { |
77 | return (ReplaySettings.ReplayScope == |
78 | ReplayInlinerSettings::Scope::Module) || |
79 | CallersToReplay.contains(key: F.getName()); |
80 | } |
81 | std::unique_ptr<InlineAdvisor> OriginalAdvisor; |
82 | bool = false; |
83 | const ReplayInlinerSettings ReplaySettings; |
84 | bool = false; |
85 | |
86 | StringMap<bool> ; |
87 | StringSet<> CallersToReplay; |
88 | }; |
89 | } // namespace llvm |
90 | #endif // LLVM_ANALYSIS_REPLAYINLINEADVISOR_H |
91 | |