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//===- PseudoProbePrinter.h - Pseudo probe encoding support -----*- C++ -*-===// 
// 
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
// See https://llvm.org/LICENSE.txt for license information. 
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
// 
//===----------------------------------------------------------------------===// 
// 
// This file contains support for writing pseudo probe info into asm files. 
// 
//===----------------------------------------------------------------------===// 
 
#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H 
#define LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H 
 
#include "llvm/ADT/DenseMap.h" 
#include "llvm/CodeGen/AsmPrinterHandler.h" 
 
namespace llvm { 
 
class AsmPrinter; 
class MCStreamer; 
class Module; 
class DILocation; 
 
class PseudoProbeHandler : public AsmPrinterHandler { 
  // Target of pseudo probe emission. 
  AsmPrinter *Asm; 
  // Name to GUID map 
  DenseMap<StringRef, uint64_t> Names; 
 
public: 
  PseudoProbeHandler(AsmPrinter *A, Module *M); 
  ~PseudoProbeHandler() override; 
 
  void emitPseudoProbe(uint64_t Guid, uint64_t Index, uint64_t Type, 
                       uint64_t Attr, const DILocation *DebugLoc); 
 
  // Unused. 
  void setSymbolSize(const MCSymbol *Sym, uint64_t Size) override {} 
  void endModule() override {} 
  void beginFunction(const MachineFunction *MF) override {} 
  void endFunction(const MachineFunction *MF) override {} 
  void beginInstruction(const MachineInstr *MI) override {} 
  void endInstruction() override {} 
   
#ifndef NDEBUG 
  void dump() const; 
#endif 
}; 
 
} // namespace llvm 
#endif // LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H