[llvm] [VPlan] Manage noalias/alias_scope metadata in VPlan. (NFC) (PR #136450)

[Florian Hahn via llvm-commits]

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@@ -313,13 +313,8 @@ attributes #1 = { vscale_range(1,16) "target-features"="+sve" }
 ; DEFAULT: [[META8]] = !{[[META9:![0-9]+]]}
 ; DEFAULT: [[META9]] = distinct !{[[META9]], [[META7]]}
 ; DEFAULT: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]}
-; DEFAULT: [[META11]] = !{[[META12:![0-9]+]]}
-; DEFAULT: [[META12]] = distinct !{[[META12]], [[META13:![0-9]+]]}
-; DEFAULT: [[META13]] = distinct !{[[META13]], !"LVerDomain"}
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fhahn wrote:

Yes I think so, we now share the same metadata for both epilogue and main vector loops, which is fine, as the same memory runtime checks guard both loops, and guarantee that the accesses do not alias across the full iteration domain of the original loop.

https://github.com/llvm/llvm-project/pull/136450