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//===-- llvm/CodeGen/AsmPrinter/DbgValueHistoryCalculator.h ----*- C++ -*--===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef CODEGEN_ASMPRINTER_DBGVALUEHISTORYCALCULATOR_H_
#define CODEGEN_ASMPRINTER_DBGVALUEHISTORYCALCULATOR_H_
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallVector.h"
namespace llvm {
class MachineFunction;
class MachineInstr;
class MDNode;
class TargetRegisterInfo;
// For each user variable, keep a list of DBG_VALUE instructions in order.
// The list can also contain normal instructions that clobber the previous
// DBG_VALUE. The variables are listed in order of appearance.
typedef MapVector<const MDNode *, SmallVector<const MachineInstr *, 4>>
DbgValueHistoryMap;
void calculateDbgValueHistory(const MachineFunction *MF,
const TargetRegisterInfo *TRI,
DbgValueHistoryMap &Result);
}
#endif
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