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[LoopSimplifyCFG] Add missing MSSA edge deletion

Authored by mkazantsev on Feb 20 2019, 9:51 PM.

Description

[LoopSimplifyCFG] Add missing MSSA edge deletion

When we create fictive switch in preheader, we should take
care about MSSA and delete edge between old preheader and
header.

llvm-svn: 354547

Details

Committed
mkazantsevFeb 20 2019, 9:51 PM
Parents
rG7cfd5b663462: [NFC] Always initialize all members in ABIArgInfo
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