[llvm] DAG: Improve fminimum/fmaximum vector expansion logic (PR #93579)

[Phoebe Wang via llvm-commits]

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@@ -28,35 +28,17 @@ define half @test_fminimum(half %x, half %y) {
 define <8 x half> @test_fminimum_scalarize(<8 x half> %x, <8 x half> %y) "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" {
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phoebewang wrote:

The codegen was scalarized for some reason, and it's not ture with this patch. So keeping this name is confusing. It's not important since @e-kud kindly help investigating it.

https://github.com/llvm/llvm-project/pull/93579