DbgValueHistoryCalculator.h [plain text]
#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DBGVALUEHISTORYCALCULATOR_H
#define LLVM_LIB_CODEGEN_ASMPRINTER_DBGVALUEHISTORYCALCULATOR_H
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallVector.h"
namespace llvm {
class MachineFunction;
class MachineInstr;
class DILocalVariable;
class DILocation;
class TargetRegisterInfo;
class DbgValueHistoryMap {
public:
typedef std::pair<const MachineInstr *, const MachineInstr *> InstrRange;
typedef SmallVector<InstrRange, 4> InstrRanges;
typedef std::pair<const DILocalVariable *, const DILocation *>
InlinedVariable;
typedef MapVector<InlinedVariable, InstrRanges> InstrRangesMap;
private:
InstrRangesMap VarInstrRanges;
public:
void startInstrRange(InlinedVariable Var, const MachineInstr &MI);
void endInstrRange(InlinedVariable Var, const MachineInstr &MI);
unsigned getRegisterForVar(InlinedVariable Var) const;
bool empty() const { return VarInstrRanges.empty(); }
void clear() { VarInstrRanges.clear(); }
InstrRangesMap::const_iterator begin() const { return VarInstrRanges.begin(); }
InstrRangesMap::const_iterator end() const { return VarInstrRanges.end(); }
};
void calculateDbgValueHistory(const MachineFunction *MF,
const TargetRegisterInfo *TRI,
DbgValueHistoryMap &Result);
}
#endif