================
@@ -1421,6 +1424,40 @@ void DAGTypeLegalizer::SplitVectorResult(SDNode *N,
unsigned ResNo) {
SetSplitVector(SDValue(N, ResNo), Lo, Hi);
}
+void DAGTypeLegalizer::SplitVecRes_ATOMIC_LOAD(AtomicSDNode *LD, SDValue &Lo,
+ SDValue &Hi) {
+ EVT LoVT, HiVT;
+ SDLoc dl(LD);
+ std::tie(LoVT, HiVT) = DAG.GetSplitDestVTs(LD->getValueType(0));
+
+ ISD::LoadExtType ExtType = LD->getExtensionType();
+ SDValue Ch = LD->getChain();
+ SDValue Ptr = LD->getBasePtr();
+ EVT MemoryVT = LD->getMemoryVT();
+
+ EVT LoMemVT, HiMemVT;
+ std::tie(LoMemVT, HiMemVT) = DAG.GetSplitDestVTs(MemoryVT);
+
+ EVT IntVT = EVT::getIntegerVT(*DAG.getContext(),
LD->getValueType(0).getSizeInBits());
+ EVT MemIntVT = EVT::getIntegerVT(*DAG.getContext(),
LD->getMemoryVT().getSizeInBits());
+ SDValue ALD = DAG.getAtomicLoad(ExtType, dl, MemIntVT, IntVT, Ch, Ptr,
+ LD->getMemOperand());
+
+ EVT LoIntVT = EVT::getIntegerVT(*DAG.getContext(), LoVT.getSizeInBits());
+ EVT HiIntVT = EVT::getIntegerVT(*DAG.getContext(), HiVT.getSizeInBits());
+ SDValue ExtractLo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, LoIntVT, ALD,
+ DAG.getVectorIdxConstant(0, dl));
----------------
arsenm wrote:
This isn't a vector extract, so don't use getVectorIdxConstant. I'm not
actually sure what the type for the second operand is supposed to be for
extract_element
https://github.com/llvm/llvm-project/pull/120640
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