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Commit 2f4f8fcf authored by Craig Topper's avatar Craig Topper
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[X86] Don't add DELETED_NODES to DAG combine worklist after calling... 

[X86] Don't add DELETED_NODES to DAG combine worklist after calling SimplifyDemandedBits/SimplifyDemandedVectorElts.

These AddToWorklist calls were added in 84cd968f.
It's possible the SimplifyDemandedBits/SimplifyDemandedVectorElts
triggered CSE that deleted N. Detect that and avoid adding N
to the worklist.

Fixes PR45067.
parent 9569a147
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