[llvm] [AArch64][LV] Cost low-VF interleaved access (PR #205844)

[Sander de Smalen via llvm-commits]

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@@ -0,0 +1,226 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc -O3 < %s | FileCheck %s
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sdesmalen-arm wrote:

nit:
```suggestion
; RUN: llc < %s | FileCheck %s
```

Given that it's not an `optnone` function, it will run the interleaving pass without any `-O1` or above flags.

https://github.com/llvm/llvm-project/pull/205844