assert(Def && Src && "Malformed bitcast instruction!");
MachineInstr *DefMI = MRI->getVRegDef(Src);
- if (!DefMI || !DefMI->getDesc().isBitcast())
+ if (!DefMI || !DefMI->isBitcast())
return false;
- unsigned SrcDef = 0;
unsigned SrcSrc = 0;
NumDefs = DefMI->getDesc().getNumDefs();
NumSrcs = DefMI->getDesc().getNumOperands() - NumDefs;
unsigned Reg = MO.getReg();
if (!Reg)
continue;
- if (MO.isDef())
- SrcDef = Reg;
- else if (SrcSrc)
- // Multiple sources?
- return false;
- else
- SrcSrc = Reg;
+ if (!MO.isDef()) {
+ if (SrcSrc)
+ // Multiple sources?
+ return false;
+ else
+ SrcSrc = Reg;
+ }
}
if (MRI->getRegClass(SrcSrc) != MRI->getRegClass(Def))
bool PeepholeOptimizer::isMoveImmediate(MachineInstr *MI,
SmallSet<unsigned, 4> &ImmDefRegs,
DenseMap<unsigned, MachineInstr*> &ImmDefMIs) {
- const TargetInstrDesc &TID = MI->getDesc();
- if (!TID.isMoveImmediate())
+ const MCInstrDesc &MCID = MI->getDesc();
+ if (!MI->isMoveImmediate())
return false;
- if (TID.getNumDefs() != 1)
+ if (MCID.getNumDefs() != 1)
return false;
unsigned Reg = MI->getOperand(0).getReg();
if (TargetRegisterInfo::isVirtualRegister(Reg)) {
continue;
}
- const TargetInstrDesc &TID = MI->getDesc();
-
- if (TID.isBitcast()) {
+ if (MI->isBitcast()) {
if (OptimizeBitcastInstr(MI, MBB)) {
// MI is deleted.
+ LocalMIs.erase(MI);
Changed = true;
MII = First ? I->begin() : llvm::next(PMII);
continue;
}
- } else if (TID.isCompare()) {
+ } else if (MI->isCompare()) {
if (OptimizeCmpInstr(MI, MBB)) {
// MI is deleted.
+ LocalMIs.erase(MI);
Changed = true;
MII = First ? I->begin() : llvm::next(PMII);
continue;