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[SelectionDAG] Use correct result type in visitEXTRACT_VECTOR_ELT #148707

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[SelectionDAG] Use correct result type in visitEXTRACT_VECTOR_ELT #148707

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cb71f48
use ScalarVT in visitEXTRACT_VECTOR_ELT
dlee992 Jul 14, 2025
1cacba8
Merge branch 'main' into dev/dli/use_result_type_in_visit_extractelt
dlee992 Oct 11, 2025
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6 changes: 3 additions & 3 deletions llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -24251,10 +24251,10 @@ SDValue DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) {

// If Idx was -1 above, Elt is going to be -1, so just return undef.
if (Elt == -1)
return DAG.getUNDEF(LVT);
return DAG.getUNDEF(ScalarVT);

if (SDValue Scalarized =
TLI.scalarizeExtractedVectorLoad(LVT, DL, VecVT, Index, LN0, DAG)) {
if (SDValue Scalarized = TLI.scalarizeExtractedVectorLoad(ScalarVT, DL, VecVT,
Index, LN0, DAG)) {
++OpsNarrowed;
return Scalarized;
}
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