if (BB->empty())
return 0;
- MachineBasicBlock::iterator I = BB->front();
+ MachineBasicBlock::iterator I = BB->begin();
if (!I->isPHI())
return 0;
return DupPHI;
// Otherwise, we do need a PHI: insert one now.
- MachineBasicBlock::iterator Loc = BB->empty() ? BB->end() : BB->front();
+ MachineBasicBlock::iterator Loc = BB->empty() ? BB->end() : BB->begin();
MachineInstr *InsertedPHI = InsertNewDef(TargetOpcode::PHI, BB,
Loc, VRC, MRI, TII);
}
llvm_unreachable("MachineOperand::getParent() failure?");
- return 0;
}
/// RewriteUse - Rewrite a use of the symbolic value. This handles PHI nodes,
/// Add it into the specified block and return the register.
static unsigned CreateEmptyPHI(MachineBasicBlock *BB, unsigned NumPreds,
MachineSSAUpdater *Updater) {
- MachineBasicBlock::iterator Loc = BB->empty() ? BB->end() : BB->front();
+ MachineBasicBlock::iterator Loc = BB->empty() ? BB->end() : BB->begin();
MachineInstr *PHI = InsertNewDef(TargetOpcode::PHI, BB, Loc,
Updater->VRC, Updater->MRI,
Updater->TII);