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authorDaniel Berlin <dberlin@dberlin.org>2017-04-14 02:53:37 +0000
committerDaniel Berlin <dberlin@dberlin.org>2017-04-14 02:53:37 +0000
commitc432779417b48cfb0f578c5e3d2ecbb6cd235fcb (patch)
tree3f1a773220a151cf76c0418a9ba13c2557905a0b /lib/LTO/LTO.cpp
parent96ed2063265049a4c308c260b2c3110872e0c477 (diff)
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300299 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/LTO/LTO.cpp')
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