[ScopedNoAliasAA] Only collect noalias nodes if we have alias.scope nodes
authorDavid Majnemer <david.majnemer@gmail.com>
Mon, 15 Aug 2016 02:23:50 +0000 (02:23 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Mon, 15 Aug 2016 02:23:50 +0000 (02:23 +0000)
commit8b8869f8efd650370bcfc3e3980b25d3f5840544
treede16c685ef2ff3391cac079b915d3eb3e70e0b71
parentddc7ab26fc3e6005fb255e2121cd003ce442bd94
[ScopedNoAliasAA] Only collect noalias nodes if we have alias.scope nodes

No functional change is intended.

llvm-svn: 278646
llvm/lib/Analysis/ScopedNoAliasAA.cpp