Michael Gottesman 3b8f877860 Add clang.arc.used to ModuleHasARC so ARC always runs if said call is present in a module.
clang.arc.used is an interesting call for ARC since ObjCARCContract
needs to run to remove said intrinsic to avoid a linker error (since the
call does not exist).

llvm-svn: 178369
2013-03-29 21:15:23 +00:00
..
2013-03-29 05:13:07 +00:00