[llvm] [Legalizer] Expand fmaximum and fminimum (PR #67301)

[Jay Foad via llvm-commits]

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@@ -8177,6 +8177,64 @@ SDValue TargetLowering::expandFMINNUM_FMAXNUM(SDNode *Node,
   return SDValue();
 }
 
+SDValue TargetLowering::expandFMINIMUM_FMAXIMUM(SDNode *N,
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jayfoad wrote:

Could you please add one or both of:
- some comments here showing what MIR is generated, and/or
- some MIR tests with -run-pass=legalizer showing the expansion with various combinations of fast math flags.

https://github.com/llvm/llvm-project/pull/67301