[llvm] [VPlan] Add support for VPWidenIntOrFpInductionRecipe in predicated D… (PR #115274)

[Mel Chen via llvm-commits]

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@@ -115,6 +115,10 @@ bool llvm::isTriviallyVectorizable(Intrinsic::ID ID) {
 /// Identifies if the vector form of the intrinsic has a scalar operand.
 bool llvm::isVectorIntrinsicWithScalarOpAtArg(Intrinsic::ID ID,
                                               unsigned ScalarOpdIdx) {
+  if (VPIntrinsic::isVPIntrinsic(ID) &&
+      (ScalarOpdIdx == VPIntrinsic::getVectorLengthParamPos(ID)))
+    return true;
+
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Mel-Chen wrote:

Is this necessary?

https://github.com/llvm/llvm-project/pull/115274