bool isInReg;
bool isSRet;
bool isNest;
+ bool isByVal;
ArgListEntry() : isSExt(false), isZExt(false), isInReg(false),
- isSRet(false), isNest(false) { };
+ isSRet(false), isNest(false), isByVal(false) { };
};
typedef std::vector<ArgListEntry> ArgListTy;
virtual std::pair<SDOperand, SDOperand>
Entry.isInReg = Attrs && Attrs->paramHasAttr(attrInd, ParamAttr::InReg);
Entry.isSRet = Attrs && Attrs->paramHasAttr(attrInd, ParamAttr::StructRet);
Entry.isNest = Attrs && Attrs->paramHasAttr(attrInd, ParamAttr::Nest);
+ Entry.isByVal = Attrs && Attrs->paramHasAttr(attrInd, ParamAttr::ByVal);
Args.push_back(Entry);
}
Flags |= ISD::ParamFlags::InReg;
if (Args[i].isSRet)
Flags |= ISD::ParamFlags::StructReturn;
+ if (Args[i].isByVal) {
+ Flags |= ISD::ParamFlags::ByVal;
+ const PointerType *Ty = cast<PointerType>(Args[i].Ty);
+ const StructType *STy = cast<StructType>(Ty->getElementType());
+ unsigned StructAlign = Log2_32(getTargetData()->getABITypeAlignment(STy));
+ unsigned StructSize = getTargetData()->getTypeSize(STy);
+ Flags |= (StructAlign << ISD::ParamFlags::ByValAlignOffs);
+ Flags |= (StructSize << ISD::ParamFlags::ByValSizeOffs);
+ }
if (Args[i].isNest)
Flags |= ISD::ParamFlags::Nest;
Flags |= OriginalAlignment << ISD::ParamFlags::OrigAlignmentOffs;
StackPtr = DAG.getRegister(getStackPtrReg(), getPointerTy());
SDOperand PtrOff = DAG.getConstant(VA.getLocMemOffset(), getPointerTy());
PtrOff = DAG.getNode(ISD::ADD, getPointerTy(), StackPtr, PtrOff);
- MemOpChains.push_back(DAG.getStore(Chain, Arg, PtrOff, NULL, 0));
+
+ SDOperand FlagsOp = Op.getOperand(6+2*VA.getValNo());
+ unsigned Flags = cast<ConstantSDNode>(FlagsOp)->getValue();
+ if (Flags & ISD::ParamFlags::ByVal) {
+ unsigned Align = 1 << ((Flags & ISD::ParamFlags::ByValAlign) >>
+ ISD::ParamFlags::ByValAlignOffs);
+ unsigned Size = (Flags & ISD::ParamFlags::ByValSize) >>
+ ISD::ParamFlags::ByValSizeOffs;
+
+ SDOperand AlignNode = DAG.getConstant(Align, MVT::i32);
+ SDOperand SizeNode = DAG.getConstant(Size, MVT::i32);
+
+ assert(0 && "Not Implemented");
+
+ SDOperand Copy = DAG.getNode(ISD::MEMCPY, MVT::Other, Chain, PtrOff,
+ Arg, SizeNode, AlignNode);
+ MemOpChains.push_back(Copy);
+ }
+ else {
+ MemOpChains.push_back(DAG.getStore(Chain, Arg, PtrOff, NULL, 0));
+ }
}
}