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

[Simon Pilgrim via llvm-commits]

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@@ -1737,8 +1855,12 @@ bool VectorCombine::run() {
 
     // This transform works with scalable and fixed vectors
     // TODO: Identify and allow other scalable transforms
-    if (isa<VectorType>(I.getType()))
-      MadeChange |= scalarizeBinopOrCmp(I);
+    if (isa<VectorType>(I.getType())) {
+      if (VPIntrinsic *VPI = dyn_cast<VPIntrinsic>(&I))
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RKSimon wrote:

(style) `auto *VPI = dyn_cast<VPIntrinsic>(&I)`

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