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6 Commits

Author SHA1 Message Date
Dan Gohman
90b8bcd33a Suppress partial retain+release elimination when there's a 
possibility that it will span multiple CFG diamonds/triangles which
could have different controlling predicates.  rdar://10282956


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142222 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 18:48:25 +00:00
Bill Wendling
ab98f9d155 Update more tests to the new EH scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138894 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 21:04:11 +00:00
Dan Gohman
1b31ea8f93 Constant pointers to objects don't need reference counting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138242 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-22 17:29:11 +00:00
Dan Gohman
986b865c03 Make a few tests slightly more strict. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138241 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-22 17:27:02 +00:00
Dan Gohman
e6d5e88c12 Track a retain+release nesting level independently of the 
known-incremented level, because the two concepts can be used
to prove the saftey of a retain+release removal in different
ways.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138016 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 00:26:36 +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