if (IncV->getType() != Type::getInt1PtrTy(SE.getContext(), AS)
&& IncV->getType() != Type::getInt8PtrTy(SE.getContext(), AS))
return false;
+ // Ensure the operands dominate the insertion point. I don't know of a
+ // case when this would not be true, so this is somewhat untested.
+ if (L == IVIncInsertLoop) {
+ for (User::op_iterator OI = IncV->op_begin()+1,
+ OE = IncV->op_end(); OI != OE; ++OI)
+ if (Instruction *OInst = dyn_cast<Instruction>(OI))
+ if (!SE.DT->dominates(OInst, IVIncInsertPos))
+ return false;
+ }
break;
}
IncV = dyn_cast<Instruction>(IncV->getOperand(0));