using namespace llvm;
-Mips16RegisterInfo::Mips16RegisterInfo(const MipsSubtarget &ST,
- const Mips16InstrInfo &I)
- : MipsRegisterInfo(ST), TII(I) {}
+Mips16RegisterInfo::Mips16RegisterInfo(const MipsSubtarget &ST)
+ : MipsRegisterInfo(ST) {}
bool Mips16RegisterInfo::requiresRegisterScavenging
(const MachineFunction &MF) const {
- return true;
+ return false;
}
bool Mips16RegisterInfo::requiresFrameIndexScavenging
(const MachineFunction &MF) const {
- return true;
+ return false;
}
bool Mips16RegisterInfo::useFPForScavengingIndex
const TargetRegisterClass *RC,
unsigned Reg) const {
DebugLoc DL;
+ const TargetInstrInfo &TII = *MBB.getParent()->getTarget().getInstrInfo();
TII.copyPhysReg(MBB, I, DL, Mips::T0, Reg, true);
TII.copyPhysReg(MBB, UseMI, DL, Reg, Mips::T0, true);
return true;
DEBUG(errs() << "Offset : " << Offset << "\n" << "<--------->\n");
- if (!MI.isDebugValue() && ( ((FrameReg != Mips::SP) && !isInt<16>(Offset)) ||
- ((FrameReg == Mips::SP) && !isInt<15>(Offset)) )) {
+ if (!MI.isDebugValue() &&
+ !Mips16InstrInfo::validImmediate(MI.getOpcode(), FrameReg, Offset)) {
MachineBasicBlock &MBB = *MI.getParent();
DebugLoc DL = II->getDebugLoc();
unsigned NewImm;
+ const Mips16InstrInfo &TII =
+ *static_cast<const Mips16InstrInfo*>(
+ MBB.getParent()->getTarget().getInstrInfo());
FrameReg = TII.loadImmediate(FrameReg, Offset, MBB, II, DL, NewImm);
Offset = SignExtend64<16>(NewImm);
IsKill = true;