[llvm] [AMDGPU][NFC] New tests for uncovered cases in SIInstrInfo.cpp (PR #200414)

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@@ -187,12 +303,6 @@ body:               |
 name:            cmp_f32
 body:             |
   bb.0:
-    ; GCN-LABEL: name: cmp_f32
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ambergorzynski wrote:

Moot since I added the tests to a different file and restored this one 

https://github.com/llvm/llvm-project/pull/200414