[llvm] [AMDGPU][True16][CodeGen]Support V2S copy with True16 flow (PR #118037)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,118 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
+# RUN: llc -march=amdgcn -mcpu=gfx1100 -mattr=+real-true16 -run-pass=si-fix-sgpr-copies -verify-machineinstrs -o - %s | FileCheck %s
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arsenm wrote:

```suggestion
# RUN: llc -march=amdgcn -mcpu=gfx1100 -mattr=+real-true16 -run-pass=si-fix-sgpr-copies -o - %s | FileCheck %s
```

https://github.com/llvm/llvm-project/pull/118037