[llvm] [VPlan] Dissolve replicate regions with vector live-outs. (PR #189022)

[Florian Hahn via llvm-commits]

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@@ -469,75 +469,73 @@ define void @struct_return_2xf32_replicate_predicated(ptr %a) {
 ; VF4-NEXT:    br i1 [[TMP2]], label %[[PRED_CALL_IF:.*]], label %[[PRED_CALL_CONTINUE:.*]]
 ; VF4:       [[PRED_CALL_IF]]:
 ; VF4-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[WIDE_LOAD]], i64 0
-; VF4-NEXT:    [[TMP4:%.*]] = tail call { float, float } @fn2(float [[TMP3]]) #[[ATTR3:[0-9]+]]
+; VF4-NEXT:    [[TMP13:%.*]] = tail call { float, float } @fn2(float [[TMP3]]) #[[ATTR3:[0-9]+]]
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fhahn wrote:

yes, this removes a few insert/extract chains

https://github.com/llvm/llvm-project/pull/189022