[clang] [llvm] [mlir] [AMDGPU] fix alignment of i128 (PR #213523)

[Matt Arsenault via cfe-commits]

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@@ -0,0 +1,82 @@
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 < %s | FileCheck %s
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arsenm wrote:

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

https://github.com/llvm/llvm-project/pull/213523