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56 Commits

Author SHA1 Message Date
Dan Gohman
126a54f1fa Don't convert objc_autoreleaseReturnValue to objc_autorelease if the result 
is returned through a bitcast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137402 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 00:36:31 +00:00
Dan Gohman
a7f7db2ebd Don't let arbitrary calls disrupt nested retain+release pairs if 
the retains and releases all use the same SSA pointer value.

Also, don't let CFG hazards disrupt nested retain+release pair
optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137399 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 00:26:31 +00:00
Dan Gohman
8db7353246 Tidy up these testcases to look more like real code does. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137085 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 00:33:11 +00:00
Dan Gohman
4428069f10 Move the last uses of RetainFunc etc. over to using getRetainCallee() etc. 
so that a declaration for objc_retain is created when needed if it doesn't
already exist. rdar://9825114.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135821 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-22 22:29:21 +00:00
Dan Gohman
0860d0ba2f Fix ARCOpt to insert releases on both successors of an invoke rather 
than trying to insert them immediately after the invoke.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133188 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 20:57:14 +00:00
John McCall
9fbd318d36 The ARC language-specific optimizer. Credit to Dan Gohman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133108 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 23:37:01 +00:00