This is a common pattern that arise when legalizing large integers operations. Only do it when Y + 1 cannot overflow as this would change the carry behavior of uaddo .
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Buildable 6055 Build 6055: arc lint + arc unit
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LGTM with a couple of minors
lib/CodeGen/SelectionDAG/DAGCombiner.cpp | ||
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2101 | Use SDValue if possible please. |
Use SDValue if possible please.