ConstantInt::get(Int32Ty,
SrcIdx, false));
}
+ } else if (CastInst *CI = dyn_cast<CastInst>(I)) {
+ // Canonicalize extractelement(cast) -> cast(extractelement)
+ // bitcasts can change the number of vector elements and they cost nothing
+ if (CI->hasOneUse() && EI.hasOneUse() &&
+ (CI->getOpcode() != Instruction::BitCast)) {
+ Value *EE = Builder->CreateExtractElement(CI->getOperand(0),
+ EI.getIndexOperand());
+ return CastInst::Create(CI->getOpcode(), EE, EI.getType());
+ }
}
- // FIXME: Canonicalize extractelement(bitcast) -> bitcast(extractelement)
}
return 0;
}