xref: /freebsd/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/PseudoProbePrinter.h (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
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 
19 namespace llvm {
20 
21 class AsmPrinter;
22 class DILocation;
23 
24 class PseudoProbeHandler {
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 
30 public:
PseudoProbeHandler(AsmPrinter * A)31   PseudoProbeHandler(AsmPrinter *A) : Asm(A) {};
32 
33   void emitPseudoProbe(uint64_t Guid, uint64_t Index, uint64_t Type,
34                        uint64_t Attr, const DILocation *DebugLoc);
35 };
36 
37 } // namespace llvm
38 #endif // LLVM_LIB_CODEGEN_ASMPRINTER_PSEUDOPROBEPRINTER_H
39