[llvm] [LV] Vectorize FMax via OrderedFCmpSelect w/o fast-math flags. (PR #146711)

[via llvm-commits]

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@@ -819,7 +819,8 @@ RecurrenceDescriptor::isMinMaxPattern(Instruction *I, RecurKind Kind,
   if (match(I, m_OrdOrUnordFMin(m_Value(), m_Value())))
     return InstDesc(Kind == RecurKind::FMin, I);
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ayalz wrote:

Only max is handled by OrderedFCmpSelect, not min? Can start w/ FMaxOGT only.

https://github.com/llvm/llvm-project/pull/146711