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Author SHA1 Message Date
Akira Hatanaka 187770dc74 [CodeGen][ObjC] Remove the leading `l_` from ObjC symbols and make 
private symbols in the __DATA segment internal.

This prevents the linker from removing the symbol names. Keeping the
symbols visible enables tools to collect various information about the
symbols, for example, tools that discover whether or not a symbol gets
dirtied.

rdar://problem/48887111

Differential Revision: https://reviews.llvm.org/D61454

llvm-svn: 360359
 2019-05-09 17:43:52 +00:00
Rafael Espindola 8b27bdb6c2 Don't manually insert L prefixes. 
Simply marking the symbol private conveys the desire to hide them to LLVM.

llvm-svn: 221451
 2014-11-06 13:30:38 +00:00
Fariborz Jahanian 85b99da72a Objective-C IRGen. Fixes an assertion crash caused by inconsistent 
linkage related to generation of OBJC_SELECTOR_REFERENCES symbol 
needed in generation of call to 'super' in a class method.
// rdar://18150301

llvm-svn: 216676
 2014-08-28 17:05:17 +00:00