//
//===----------------------------------------------------------------------===//
-#ifndef ARMBASEREGISTERINFO_H
-#define ARMBASEREGISTERINFO_H
+#ifndef LLVM_LIB_TARGET_ARM_ARMBASEREGISTERINFO_H
+#define LLVM_LIB_TARGET_ARM_ARMBASEREGISTERINFO_H
#include "MCTargetDesc/ARMBaseInfo.h"
#include "llvm/Target/TargetRegisterInfo.h"
public:
/// Code Generation virtual methods...
- const uint16_t *
- getCalleeSavedRegs(const MachineFunction *MF = 0) const override;
+ const MCPhysReg *
+ getCalleeSavedRegs(const MachineFunction *MF = nullptr) const override;
const uint32_t *getCallPreservedMask(CallingConv::ID) const override;
const uint32_t *getNoPreservedMask() const;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, unsigned FIOperandNum,
- RegScavenger *RS = NULL) const override;
+ RegScavenger *RS = nullptr) const override;
+
+ /// \brief SrcRC and DstRC will be morphed into NewRC if this returns true
+ bool shouldCoalesce(MachineInstr *MI,
+ const TargetRegisterClass *SrcRC,
+ unsigned SubReg,
+ const TargetRegisterClass *DstRC,
+ unsigned DstSubReg,
+ const TargetRegisterClass *NewRC) const override;
};
} // end namespace llvm