SystemZRegisterInfo.h [plain text]
#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZREGISTERINFO_H
#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZREGISTERINFO_H
#include "SystemZ.h"
#include "llvm/Target/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "SystemZGenRegisterInfo.inc"
namespace llvm {
namespace SystemZ {
inline unsigned even128(bool Is32bit) {
return Is32bit ? subreg_hl32 : subreg_h64;
}
inline unsigned odd128(bool Is32bit) {
return Is32bit ? subreg_l32 : subreg_l64;
}
}
struct SystemZRegisterInfo : public SystemZGenRegisterInfo {
public:
SystemZRegisterInfo();
bool requiresRegisterScavenging(const MachineFunction &MF) const override {
return true;
}
bool requiresFrameIndexScavenging(const MachineFunction &MF) const override {
return true;
}
bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override {
return true;
}
const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
const uint32_t *getCallPreservedMask(const MachineFunction &MF,
CallingConv::ID CC) const override;
BitVector getReservedRegs(const MachineFunction &MF) const override;
void eliminateFrameIndex(MachineBasicBlock::iterator MI,
int SPAdj, unsigned FIOperandNum,
RegScavenger *RS) const override;
unsigned getFrameRegister(const MachineFunction &MF) const override;
};
}
#endif