llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.h

   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
  18 namespace llvm {
  19
  20 class AsmPrinter;
  21 class DILocation;
  22
  23 class PseudoProbeHandler {
  24   // Target of pseudo probe emission.
  25   AsmPrinter *Asm;
  26   // Name to GUID map, used as caching/memoization for speed.
  27   DenseMap<StringRef, uint64_t> NameGuidMap;
  28
  29 public:
  30   PseudoProbeHandler(AsmPrinter *A) : Asm(A) {};
  31
  32   void emitPseudoProbe(uint64_t Guid, uint64_t Index, uint64_t Type,
  33                        uint64_t Attr, const DILocation *DebugLoc);
  34 };
  35
  36 } // namespace llvm
  37 #endif // LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H