[llvm] [AMDGPU] s_quadmask* implicitly defines SCC (PR #161582)

[Jay Foad via llvm-commits]

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@@ -0,0 +1,57 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
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jayfoad wrote:

Suggest just adding tests to the end of `llvm.amdgcn.quadmask.ll` instead of creating a new file.

https://github.com/llvm/llvm-project/pull/161582