[llvm] [VPlan] Model branch cond to enter scalar epilogue in VPlan. (PR #92651)

[via llvm-commits]

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@@ -661,9 +661,9 @@ define double @test_resinking_required(ptr %p, ptr noalias %a, ptr noalias %b) {
 ; CHECK-NEXT:    [[VECTOR_RECUR_EXTRACT9:%.*]] = extractelement <4 x double> [[TMP4]], i32 3
 ; CHECK-NEXT:    br i1 true, label %End, label %scalar.ph
 ; CHECK:       scalar.ph:
-; CHECK-NEXT:    phi double [ 0.000000e+00, %Entry ], [ [[VECTOR_RECUR_EXTRACT9]], %middle.block ]
-; CHECK-NEXT:    phi double [ 0.000000e+00, %Entry ], [ [[TMP3]], %middle.block ]
-; CHECK-NEXT:    phi double [ 0.000000e+00, %Entry ], [ [[TMP0]], %middle.block ]
+; CHECK-NEXT:    phi double [ [[VECTOR_RECUR_EXTRACT9]], %middle.block ], [ 0.000000e+00, %Entry ]
+; CHECK-NEXT:    phi double [ [[TMP3]], %middle.block ], [ 0.000000e+00, %Entry ]
+; CHECK-NEXT:    phi double [ [[TMP0]], %middle.block ], [ 0.000000e+00, %Entry ]
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ayalz wrote:

Just noting: swapping operands of scalar.ph's phi's, here and below.

https://github.com/llvm/llvm-project/pull/92651