Commit Graph

1 Commits

Author SHA1 Message Date
Daniel Berlin 2f72b19b05 NewGVN: Don't propagate over phi backedges where undef causes us to
have >1 value, unless we can prove the phi node is cycle free.

Fixes PR 32607.

llvm-svn: 300299
2017-04-14 02:53:37 +00:00