[llvm] [AMDGPU] Prefer packed minimum/maximum ops for two-input ops (PR #215449)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,23 @@
+; RUN: llc -mtriple=amdgpu9.50-amd-amdhsa < %s | FileCheck -check-prefix=GFX950 %s
+; RUN: llc -mtriple=amdgpu12.50-amd-amdhsa < %s | FileCheck -check-prefix=GFX1250 %s
+
+define <2 x half> @maximum_v2f16(<2 x half> %src0, <2 x half> %src1) {
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arsenm wrote:

We already have tests for these sorts of patterns 

https://github.com/llvm/llvm-project/pull/215449