1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index ed9e1016e70..c85676e10dd 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -21710,7 +21710,7 @@ static SDValue PerformSELECTCombine(SDNode *N, SelectionDAG &DAG,
   // know will be matched by LowerVECTOR_SHUFFLEtoBlend.
   if ((N->getOpcode() == ISD::VSELECT ||
        N->getOpcode() == X86ISD::SHRUNKBLEND) &&
-      !DCI.isBeforeLegalize()) {
+      !DCI.isBeforeLegalize() && !VT.is512BitVector()) {
     SDValue Shuffle = transformVSELECTtoBlendVECTOR_SHUFFLE(N, DAG, Subtarget);
     if (Shuffle.getNode())
       return Shuffle;