[llvm] [VPlan] Simplify Plan's entry in removeBranchOnConst. (PR #154510)

[Florian Hahn via llvm-commits]

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@@ -20,10 +35,13 @@ for.body:                                         ; preds = %for.body, %entry
   br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !0
 }
 
-; CHECK-LABEL: @foo
-; CHECK: = !{!"llvm.loop.unroll.disable"}
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fhahn wrote:

This has been fixed, we need to retrieve the metadata before removing the loop, to make sure we can preserve the metadata from the original in the vector loop if needed, even if the original loop gets removed.

https://github.com/llvm/llvm-project/pull/154510