1//===- PseudoProbePrinter.h - Pseudo probe encoding support -----*- 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// This file contains support for writing pseudo probe info into asm files.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H
14#define LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H
15
16#include "llvm/ADT/DenseMap.h"
17#include "llvm/CodeGen/AsmPrinterHandler.h"
18
19namespace llvm {
20
21class AsmPrinter;
22class DILocation;
23
24class PseudoProbeHandler : public AsmPrinterHandler {
25 // Target of pseudo probe emission.
26 AsmPrinter *Asm;
27 // Name to GUID map, used as caching/memoization for speed.
28 DenseMap<StringRef, uint64_t> NameGuidMap;
29
30public:
31 PseudoProbeHandler(AsmPrinter *A) : Asm(A){};
32 ~PseudoProbeHandler() override;
33
34 void emitPseudoProbe(uint64_t Guid, uint64_t Index, uint64_t Type,
35 uint64_t Attr, const DILocation *DebugLoc);
36
37 // Unused.
38 void setSymbolSize(const MCSymbol *Sym, uint64_t Size) override {}
39 void endModule() override {}
40 void beginFunction(const MachineFunction *MF) override {}
41 void endFunction(const MachineFunction *MF) override {}
42 void beginInstruction(const MachineInstr *MI) override {}
43 void endInstruction() override {}
44};
45
46} // namespace llvm
47#endif // LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H
48

source code of llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.h