[llvm] [AMDGPU] Add tests for SIPreAllocateWWMRegs (PR #109963)

[Akshat Oke via llvm-commits]

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@@ -0,0 +1,49 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
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optimisan wrote:

What is remote?

https://github.com/llvm/llvm-project/pull/109963