[llvm] SelectionDAG/expandFMINNUM_FMAXNUM: skips vector if Op is legal for elements (PR #109570)

[YunQiang Su via llvm-commits]

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@@ -8485,6 +8485,11 @@ SDValue TargetLowering::expandFMINNUM_FMAXNUM(SDNode *Node,
                          Node->getOperand(1), Node->getFlags());
   }
 
+  // If we have INSN fitting this operation strictly for the elements of the
+  // vector, normally, splitting it is better than compare+select.
+  if (VT.isVector() && isOperationLegal(Node->getOpcode(), VT.getScalarType()))
+    return SDValue();
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wzssyqa wrote:

https://github.com/llvm/llvm-project/issues/110353

https://github.com/llvm/llvm-project/pull/109570