[llvm] [VPlan] Use VPInstruction for uniform binops. (PR #141429)

[via llvm-commits]

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@@ -8453,6 +8453,21 @@ VPRecipeBuilder::handleReplication(Instruction *I, ArrayRef<VPValue *> Operands,
   assert((Range.Start.isScalar() || !IsUniform || !IsPredicated ||
           (Range.Start.isScalable() && isa<IntrinsicInst>(I))) &&
          "Should not predicate a uniform recipe");
+  if (IsUniform && !IsPredicated) {
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ayalz wrote:

```suggestion
  if (IsUniform) {
    assert(!IsPredicated && "IsUniform implies unpredicated");
```
if not asserted earlier?

https://github.com/llvm/llvm-project/pull/141429