[llvm] [InstCombine][RISCV] Convert VPIntrinsics with splat operands to splats (PR #65706)

[Luke Lau via llvm-commits]

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@@ -729,6 +730,99 @@ bool VectorCombine::foldBitcastShuf(Instruction &I) {
   return true;
 }
 
+/// VP Intrinsics whose vector operands are both splat values may be simplified
+/// into the scalar version of the operation and the result is splatted. This
----------------
lukel97 wrote:

```suggestion
/// into the scalar version of the operation and the result splatted. This
```

https://github.com/llvm/llvm-project/pull/65706