[llvm] [AArch64][GISel] length aware BITCAST between different-element-width fixed vectors (PR #179123)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,38 @@
+; REQUIRES: aarch64-registered-target
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arsenm wrote:

```suggestion
```

Redundant with being in the target directory 

https://github.com/llvm/llvm-project/pull/179123