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#include "llvm/IR/LLVMContext.h"
15
16namespace llvm {
17class BasicBlock;
18class CallBase;
19class Function;
20class Module;
21class OptimizationRemarkEmitter;
22
23/// Replay inline advisor that uses optimization remarks from inlining of
24/// previous build to guide current inlining. This is useful for inliner tuning.
25class ReplayInlineAdvisor : public InlineAdvisor {
26public:
27  ReplayInlineAdvisor(Module &M, FunctionAnalysisManager &FAM,
28                      LLVMContext &Context,
29                      std::unique_ptr<InlineAdvisor> OriginalAdvisor,
30                      StringRef RemarksFile, bool EmitRemarks);
31  std::unique_ptr<InlineAdvice> getAdviceImpl(CallBase &CB) override;
32  bool areReplayRemarksLoaded() const { return HasReplayRemarks; }
33
34private:
35  StringSet<> InlineSitesFromRemarks;
36  std::unique_ptr<InlineAdvisor> OriginalAdvisor;
37  bool HasReplayRemarks = false;
38  bool EmitRemarks = false;
39};
40} // namespace llvm
41#endif // LLVM_ANALYSIS_REPLAYINLINEADVISOR_H
42