[llvm] [LV] Add support for cmp reductions with decreasing IVs. (PR #140451)

[Florian Hahn via llvm-commits]

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@@ -1324,8 +1327,8 @@ Value *llvm::createSimpleReduction(IRBuilderBase &Builder, Value *Src,
 Value *llvm::createSimpleReduction(IRBuilderBase &Builder, Value *Src,
                                    RecurKind Kind, Value *Mask, Value *EVL) {
   assert(!RecurrenceDescriptor::isAnyOfRecurrenceKind(Kind) &&
-         !RecurrenceDescriptor::isFindLastIVRecurrenceKind(Kind) &&
-         "AnyOf or FindLastIV reductions are not supported.");
+         !RecurrenceDescriptor::isFindIVRecurrenceKind(Kind) &&
+         "AnyOf, FindFirstIV and FindLastIV reductions are not supported.");
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fhahn wrote:

Updated thanks

https://github.com/llvm/llvm-project/pull/140451