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Commit 0c6defd5 authored by Evan Cheng's avatar Evan Cheng
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Dan pointed out checking whether a node is dead by comparing its opcode to... 

Dan pointed out checking whether a node is dead by comparing its opcode to ISD::DELETED_NODE is not safe. Use a DAGUpdateListener to remove dead nodes from work list instead.

llvm-svn: 93031
parent 8f047406
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