SmallVector<SDValue, 8> Stores;
unsigned TypeByteSize = MemVT.getSizeInBits() / 8;
assert(TypeByteSize > 0 && "Vector element type too small for stack store!");
+
+ // If the destination vector element type of a BUILD_VECTOR is narrower than
+ // the source element type, only store the bits necessary.
+ bool Truncate = isa<BuildVectorSDNode>(Node) &&
+ MemVT.bitsLT(Node->getOperand(0).getValueType());
+
// Store (in the right endianness) the elements to memory.
for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) {
// Ignore undef elements.
SDValue Idx = DAG.getMemBasePlusOffset(FIPtr, Offset, dl);
- // If the destination vector element type is narrower than the source
- // element type, only store the bits necessary.
- if (MemVT.bitsLT(Node->getOperand(i).getValueType()))
+ if (Truncate)
Stores.push_back(DAG.getTruncStore(DAG.getEntryNode(), dl,
Node->getOperand(i), Idx,
PtrInfo.getWithOffset(Offset), MemVT));