[llvm] [LV][EVL] Support in-loop reduction using tail folding with EVL. (PR #90184)

[Mel Chen via llvm-commits]

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@@ -422,6 +436,11 @@ CallInst *IRBuilderBase::CreateFAddReduce(Value *Acc, Value *Src) {
   return CreateCall(Decl, Ops);
 }
 
+CallInst *IRBuilderBase::CreateFAddReduce(Value *Acc, Value *Src, Value *EVL,
+                                          Value *Mask) {
+  return getReductionIntrinsic(Intrinsic::vp_reduce_fadd, Acc, Src, Mask, EVL);
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Mel-Chen wrote:

172745025d81388ef8104006ffd7e6faa3d1b04a
@fhahn @nikolaypanchenko I have attempted to move the utils function of IRBuilderBase to VectorBuilder. Please review and let me know if this design is appropriate. Thank you.

https://github.com/llvm/llvm-project/pull/90184