[llvm] AMDGPU: Cleanup FP atomicrmw tests and cover fmin/fmax (PR #95131)

[Christudasan Devadasan via llvm-commits]

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@@ -0,0 +1,7394 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 < %s | FileCheck -check-prefix=GFX12 %s
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cdevadas wrote:

Use the full triple name in all tests?

https://github.com/llvm/llvm-project/pull/95131