Craig Topper 545affbf79 [DAGCombiner] Use HandleSDNode to keep node alive across call to getNegatedExpression. ...

getNegatedExpression can delete nodes. If the first call to
getNegatedExpression produced a node that the second call also
manages to create, it might get deleted. Use a HandleSDNode to
ensure it has a use to prevent it from being deleted.

Fixes PR57658.

Reviewed By: RKSimon

Differential Revision: https://reviews.llvm.org/D133602

2022-09-09 22:02:41 -07:00

966 KiB

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