[llvm] [AMDGPU] Do not forward reserved aperture registers into wider copies (PR #220517)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,15 @@
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 -global-isel < %s | FileCheck %s
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arsenm wrote:

```suggestion
; RUN: llc -global-isel -mtriple=amdgpu11.00-amd-amdhsa < %s | FileCheck %s
```

https://github.com/llvm/llvm-project/pull/220517