if (NewRetTy->isStructTy())
return false; // TODO: Handle multiple return values.
- if (!CastInst::isBitCastable(NewRetTy, OldRetTy)) {
+ if (!CastInst::isBitOrNoopPointerCastable(NewRetTy, OldRetTy, DL)) {
if (Callee->isDeclaration())
return false; // Cannot transform this return value.
unsigned NumActualArgs = CS.arg_size();
unsigned NumCommonArgs = std::min(FT->getNumParams(), NumActualArgs);
+ // Prevent us turning:
+ // declare void @takes_i32_inalloca(i32* inalloca)
+ // call void bitcast (void (i32*)* @takes_i32_inalloca to void (i32)*)(i32 0)
+ //
+ // into:
+ // call void @takes_i32_inalloca(i32* null)
+ if (Callee->getAttributes().hasAttrSomewhere(Attribute::InAlloca))
+ return false;
+
CallSite::arg_iterator AI = CS.arg_begin();
for (unsigned i = 0, e = NumCommonArgs; i != e; ++i, ++AI) {
Type *ParamTy = FT->getParamType(i);
Type *ActTy = (*AI)->getType();
- if (!CastInst::isBitCastable(ActTy, ParamTy))
+ if (!CastInst::isBitOrNoopPointerCastable(ActTy, ParamTy, DL))
return false; // Cannot transform this parameter value.
if (AttrBuilder(CallerPAL.getParamAttributes(i + 1), i + 1).
if ((*AI)->getType() == ParamTy) {
Args.push_back(*AI);
} else {
- Args.push_back(Builder->CreateBitCast(*AI, ParamTy));
+ Args.push_back(Builder->CreateBitOrPointerCast(*AI, ParamTy));
}
// Add any parameter attributes.
Value *NV = NC;
if (OldRetTy != NV->getType() && !Caller->use_empty()) {
if (!NV->getType()->isVoidTy()) {
- NV = NC = CastInst::Create(CastInst::BitCast, NC, OldRetTy);
+ NV = NC = CastInst::CreateBitOrPointerCast(NC, OldRetTy);
NC->setDebugLoc(Caller->getDebugLoc());
// If this is an invoke instruction, we should insert it after the first