[llvm] IVDesc: unify RecurKinds IAnyOf and FAnyOf (PR #118393)

[via llvm-commits]

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@@ -209,7 +207,9 @@ class RecurrenceDescriptor {
 
   RecurKind getRecurrenceKind() const { return Kind; }
 
-  unsigned getOpcode() const { return getOpcode(getRecurrenceKind()); }
+  unsigned getOpcode() const {
+    return getOpcode(getRecurrenceKind(), getRecurrenceType());
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ayalz wrote:

If AnyOf is considered a boolean reduction, its opcode could be `select`, rather than `icmp` or `fcmp`. If it's considered an Or reduction, its opcode could be `or`.
Min/Max reductions, OTOH, are essentially cmp/select patterns.

https://github.com/llvm/llvm-project/pull/118393