[llvm] [RISCV] Vectorize phi for loop carried @llvm.vp.reduce.* (PR #131974)

[Luke Lau via llvm-commits]

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@@ -137,7 +137,8 @@ bool RISCVCodeGenPrepare::visitIntrinsicInst(IntrinsicInst &I) {
   if (expandVPStrideLoad(I))
     return true;
 
-  if (I.getIntrinsicID() != Intrinsic::vector_reduce_fadd)
+  if (I.getIntrinsicID() != Intrinsic::vector_reduce_fadd &&
+      !isa<VPReductionIntrinsic>(&I))
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lukel97 wrote:

Oh sorry i didn't see Craig's earlier comments, that makes sense. Can you edit the doc comment for this method to mention the VP case?

https://github.com/llvm/llvm-project/pull/131974