[llvm] [AMDGPU][True16][CodeGen] minmax pattern only for GFX11+ (PR #130786)

[Brox Chen via llvm-commits]

broxigarchen wrote:

> > Hi Matt. We only test this minmax pattern in GFX11plus as we should.
> 
> There should be negative tests for these patterns on other targets to guard against this sort of issue
> 
> > This is fixing an issue that this pattern is not guarded by GFX11plus predicate by mistake. It's very much like a NFC, but not completely
> 
> Yes, which means the pattern will mis-select on other targets. Which is very much not NFC and needs a test

Hi Matt. I realized that we actually do not need this patch since the patterns are addtionally guarded by the true16 predicate. That already implies GFX11Plus. I will close this patch

https://github.com/llvm/llvm-project/pull/130786