Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | pmbaty | 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 EmitRemarks, 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 EmitRemarks, InlineContext IC); |
||
| 72 | std::unique_ptr<InlineAdvice> getAdviceImpl(CallBase &CB) override; |
||
| 73 | bool areReplayRemarksLoaded() const { return HasReplayRemarks; } |
||
| 74 | |||
| 75 | private: |
||
| 76 | bool hasInlineAdvice(Function &F) const { |
||
| 77 | return (ReplaySettings.ReplayScope == |
||
| 78 | ReplayInlinerSettings::Scope::Module) || |
||
| 79 | CallersToReplay.contains(F.getName()); |
||
| 80 | } |
||
| 81 | std::unique_ptr<InlineAdvisor> OriginalAdvisor; |
||
| 82 | bool HasReplayRemarks = false; |
||
| 83 | const ReplayInlinerSettings ReplaySettings; |
||
| 84 | bool EmitRemarks = false; |
||
| 85 | |||
| 86 | StringMap<bool> InlineSitesFromRemarks; |
||
| 87 | StringSet<> CallersToReplay; |
||
| 88 | }; |
||
| 89 | } // namespace llvm |
||
| 90 | #endif // LLVM_ANALYSIS_REPLAYINLINEADVISOR_H |