SystemZInstrBuilder.h [plain text]
#ifndef SYSTEMZINSTRBUILDER_H
#define SYSTEMZINSTRBUILDER_H
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
namespace llvm {
struct SystemZAddressMode {
enum {
RegBase,
FrameIndexBase
} BaseType;
union {
unsigned Reg;
int FrameIndex;
} Base;
unsigned IndexReg;
int32_t Disp;
const GlobalValue *GV;
SystemZAddressMode() : BaseType(RegBase), IndexReg(0), Disp(0) {
Base.Reg = 0;
}
};
static inline const MachineInstrBuilder &
addDirectMem(const MachineInstrBuilder &MIB, unsigned Reg) {
return MIB.addReg(Reg).addImm(0).addReg(0);
}
static inline const MachineInstrBuilder &
addOffset(const MachineInstrBuilder &MIB, int Offset) {
return MIB.addImm(Offset).addReg(0);
}
static inline const MachineInstrBuilder &
addRegOffset(const MachineInstrBuilder &MIB,
unsigned Reg, bool isKill, int Offset) {
return addOffset(MIB.addReg(Reg, getKillRegState(isKill)), Offset);
}
static inline const MachineInstrBuilder &
addRegReg(const MachineInstrBuilder &MIB,
unsigned Reg1, bool isKill1, unsigned Reg2, bool isKill2) {
return MIB.addReg(Reg1, getKillRegState(isKill1)).addImm(0)
.addReg(Reg2, getKillRegState(isKill2));
}
static inline const MachineInstrBuilder &
addFullAddress(const MachineInstrBuilder &MIB, const SystemZAddressMode &AM) {
if (AM.BaseType == SystemZAddressMode::RegBase)
MIB.addReg(AM.Base.Reg);
else if (AM.BaseType == SystemZAddressMode::FrameIndexBase)
MIB.addFrameIndex(AM.Base.FrameIndex);
else
assert(0);
return MIB.addImm(AM.Disp).addReg(AM.IndexReg);
}
static inline const MachineInstrBuilder &
addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0) {
MachineInstr *MI = MIB;
MachineFunction &MF = *MI->getParent()->getParent();
MachineFrameInfo &MFI = *MF.getFrameInfo();
const TargetInstrDesc &TID = MI->getDesc();
unsigned Flags = 0;
if (TID.mayLoad())
Flags |= MachineMemOperand::MOLoad;
if (TID.mayStore())
Flags |= MachineMemOperand::MOStore;
MachineMemOperand *MMO =
MF.getMachineMemOperand(MachinePointerInfo(
PseudoSourceValue::getFixedStack(FI), Offset),
Flags, MFI.getObjectSize(FI),
MFI.getObjectAlignment(FI));
return addOffset(MIB.addFrameIndex(FI), Offset)
.addMemOperand(MMO);
}
}
#endif