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* Detect overflow in the path count computation. rdar://12277446.Dan Gohman2012-09-121-0/+329
* Make provenance checking conservative in cases whenDan Gohman2012-09-042-10/+79
* Fix broken check lines.Benjamin Kramer2012-08-172-7/+7
* An objc_retain can serve as a may-use for a different pointer.Dan Gohman2012-07-231-0/+24
* Fix the objc_autoreleasedReturnValue optimization code to locateDan Gohman2012-06-251-4/+31
* Fix replacing all the users of objc weak runtime routinesDan Gohman2012-05-181-0/+46
* Fix the objc_storeStrong recognizer to stop before walking off theDan Gohman2012-05-091-0/+34
* Fixed a typoFilipe Cabecinhas2012-05-091-1/+1
* Fix objc_storeStrong pattern matching to catch a potential use of theDan Gohman2012-05-081-0/+76
* Avoid a bug in the path count computation, preventing an infiniteDan Gohman2012-04-191-0/+48
* Consider ObjC runtime calls objc_storeWeak and others which make a copy ofDan Gohman2012-04-131-0/+131
* Use the new Use-aware dominates method to apply the objc runtimeDan Gohman2012-04-131-0/+18
* Don't move objc_autorelease calls past autorelease pool boundaries whenDan Gohman2012-04-131-4/+78
* Fix accidentally inverted logic from r152803, and make theDan Gohman2012-04-051-0/+6
* Don't convert objc_retainAutoreleasedReturnValue to objc_retain if itDan Gohman2012-03-232-1/+44
* It's not possible to insert code immediately after an invoke in theDan Gohman2012-03-231-0/+66
* Short term fix for pr12270 before we change dominates to handle unreachableRafael Espindola2012-03-151-0/+15
* When an invoke is marked with metadata indicating its unwind edgeDan Gohman2012-03-141-0/+36
* When identifying exit nodes for the reverse-CFG reverse-post-orderDan Gohman2012-03-092-4/+213
* Calls and invokes with the new clang.arc.no_objc_arc_exceptionsDan Gohman2012-02-171-0/+122
* Replace all instances of dg.exp file with lit.local.cfg, since all tests are ...Eli Bendersky2012-02-162-3/+1
* Just like in regular escape analysis, loads and stores throughDan Gohman2012-02-131-0/+51
* Set the "tail" flag on pattern-matched objc_storeStrong calls.Dan Gohman2012-01-192-2/+2
* Use llvm.global_ctors to locate global constructors insteadDan Gohman2012-01-181-0/+2
* Add a new ObjC ARC optimization pass to eliminate unneededDan Gohman2012-01-171-0/+51
* Implement proper ObjC ARC objc_retainBlock "escape" analysis, so thatDan Gohman2012-01-132-2/+155
* It turns out that clang does use pointer-to-function types toDan Gohman2011-12-142-1/+34
* Upgrade syntax of tests using volatile instructions to use 'load volatile' in...Chris Lattner2011-11-272-4/+4
* Teach the ARC optimizer about the !clang.arc.copy_on_escape metadataDan Gohman2011-10-171-5/+41
* Suppress partial retain+release elimination when there's aDan Gohman2011-10-171-0/+31
* When eliminating unnecessary retain+autorelease on return values,Dan Gohman2011-09-291-0/+59
* Don't eliminate objc_retainBlock calls on stack objects if theDan Gohman2011-09-291-0/+54
* objc_retainBlock is not NoModRef because it can update forwarding pointersDan Gohman2011-09-141-0/+39
* Update more tests to the new EH scheme.Bill Wendling2011-08-313-0/+16
* Constant pointers to objects don't need reference counting.Dan Gohman2011-08-221-0/+33
* Make a few tests slightly more strict.Dan Gohman2011-08-221-2/+3
* Track a retain+release nesting level independently of theDan Gohman2011-08-191-0/+68
* Move "atomic" and "volatile" designations on instructions after the opcodeEli Friedman2011-08-121-2/+2
* Don't convert objc_autoreleaseReturnValue to objc_autorelease if the resultDan Gohman2011-08-121-0/+11
* Don't let arbitrary calls disrupt nested retain+release pairs ifDan Gohman2011-08-122-0/+931
* Tidy up these testcases to look more like real code does.Dan Gohman2011-08-091-9/+9
* Move the last uses of RetainFunc etc. over to using getRetainCallee() etc.Dan Gohman2011-07-221-6/+42
* Fix ARCOpt to insert releases on both successors of an invoke ratherDan Gohman2011-06-161-0/+67
* The ARC language-specific optimizer. Credit to Dan Gohman.John McCall2011-06-1519-0/+3383