1 //===-- llvm/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h ----*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef CODEGEN_ASMPRINTER_DBGVALUEHISTORYCALCULATOR_H_
11 #define CODEGEN_ASMPRINTER_DBGVALUEHISTORYCALCULATOR_H_
13 #include "llvm/ADT/MapVector.h"
14 #include "llvm/ADT/SmallVector.h"
18 class MachineFunction;
21 class TargetRegisterInfo;
23 // For each user variable, keep a list of DBG_VALUE instructions in order.
24 // The list can also contain normal instructions that clobber the previous
25 // DBG_VALUE. The variables are listed in order of appearance.
26 typedef MapVector<const MDNode *, SmallVector<const MachineInstr *, 4>>
29 void calculateDbgValueHistory(const MachineFunction *MF,
30 const TargetRegisterInfo *TRI,
31 DbgValueHistoryMap &Result);