6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
//===- ReplayInlineAdvisor.h - Replay Inline Advisor interface -*- C++ --*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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#ifndef LLVM_ANALYSIS_REPLAYINLINEADVISOR_H
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#define LLVM_ANALYSIS_REPLAYINLINEADVISOR_H
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#include "llvm/ADT/StringSet.h"
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#include "llvm/Analysis/InlineAdvisor.h"
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namespace llvm {
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class CallBase;
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class LLVMContext;
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class Module;
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struct CallSiteFormat {
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enum class Format : int {
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Line,
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LineColumn,
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LineDiscriminator,
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LineColumnDiscriminator
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};
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bool outputColumn() const {
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return OutputFormat == Format::LineColumn ||
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OutputFormat == Format::LineColumnDiscriminator;
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}
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bool outputDiscriminator() const {
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return OutputFormat == Format::LineDiscriminator ||
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OutputFormat == Format::LineColumnDiscriminator;
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}
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Format OutputFormat;
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};
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/// Replay Inliner Setup
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struct ReplayInlinerSettings {
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enum class Scope : int { Function, Module };
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enum class Fallback : int { Original, AlwaysInline, NeverInline };
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StringRef ReplayFile;
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Scope ReplayScope;
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Fallback ReplayFallback;
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CallSiteFormat ReplayFormat;
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};
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/// Get call site location as a string with the given format
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std::string formatCallSiteLocation(DebugLoc DLoc, const CallSiteFormat &Format);
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std::unique_ptr<InlineAdvisor>
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getReplayInlineAdvisor(Module &M, FunctionAnalysisManager &FAM,
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LLVMContext &Context,
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std::unique_ptr<InlineAdvisor> OriginalAdvisor,
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const ReplayInlinerSettings &ReplaySettings,
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bool EmitRemarks, InlineContext IC);
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/// Replay inline advisor that uses optimization remarks from inlining of
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/// previous build to guide current inlining. This is useful for inliner tuning.
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class ReplayInlineAdvisor : public InlineAdvisor {
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public:
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ReplayInlineAdvisor(Module &M, FunctionAnalysisManager &FAM,
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LLVMContext &Context,
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std::unique_ptr<InlineAdvisor> OriginalAdvisor,
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const ReplayInlinerSettings &ReplaySettings,
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bool EmitRemarks, InlineContext IC);
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std::unique_ptr<InlineAdvice> getAdviceImpl(CallBase &CB) override;
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bool areReplayRemarksLoaded() const { return HasReplayRemarks; }
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private:
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bool hasInlineAdvice(Function &F) const {
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return (ReplaySettings.ReplayScope ==
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ReplayInlinerSettings::Scope::Module) ||
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CallersToReplay.contains(F.getName());
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}
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std::unique_ptr<InlineAdvisor> OriginalAdvisor;
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bool HasReplayRemarks = false;
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const ReplayInlinerSettings ReplaySettings;
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bool EmitRemarks = false;
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StringMap<bool> InlineSitesFromRemarks;
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StringSet<> CallersToReplay;
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};
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} // namespace llvm
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#endif // LLVM_ANALYSIS_REPLAYINLINEADVISOR_H
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