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[X86] Don't limit splitVector helper to simple types. 

It can handle EVT just as well (and so can the extractSubVector calls).
This commit is contained in:
Simon Pilgrim 2020-05-03 12:27:14 +01:00
parent 4f576ea731
commit e8d9794a23
1 changed files with 3 additions and 2 deletions
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5
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -5751,13 +5751,14 @@ static bool collectConcatOps(SDNode *N, SmallVectorImpl<SDValue> &Ops) {
static std::pair<SDValue, SDValue> splitVector(SDValue Op, SelectionDAG &DAG,
const SDLoc &dl) {
MVT VT = Op.getSimpleValueType();
EVT VT = Op.getValueType();
unsigned NumElems = VT.getVectorNumElements();
unsigned SizeInBits = VT.getSizeInBits();
assert((NumElems % 2) == 0 && (SizeInBits % 2) == 0 &&
"Can't split odd sized vector");
SDValue Lo = extractSubVector(Op, 0, DAG, dl, SizeInBits / 2);
SDValue Hi = extractSubVector(Op, NumElems / 2, DAG, dl, SizeInBits / 2);
return std::make_pair(Lo, Hi);
}