[llvm] [AMDGPU][GlobalISel] Support lowering preloaded kernel arguments (PR #205049)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,193 @@
+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
+; RUN: llc -global-isel -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a -stop-after=irtranslator -o - < %s | FileCheck -check-prefix=GFX90A %s
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arsenm wrote:

```suggestion
; RUN: llc -global-isel -mtriple=amdgpu9.0a-amd-amdhsa -stop-after=irtranslator -o - < %s | FileCheck -check-prefix=GFX90A %s
```

https://github.com/llvm/llvm-project/pull/205049