[llvm] [AMDGPU] Generate waterfall for calls with SGPR(inreg) argument (PR #146997)

[Juan Manuel Martinez Caamaño via llvm-commits]

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@@ -1,39 +1,49 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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jmmartinez wrote:

You can remove the `.error` from this test name, right ?

https://github.com/llvm/llvm-project/pull/146997