objc_retainBlock is not NoModRef because it can update forwarding pointers
authorDan Gohman <gohman@apple.com>
Wed, 14 Sep 2011 18:13:00 +0000 (18:13 +0000)
committerDan Gohman <gohman@apple.com>
Wed, 14 Sep 2011 18:13:00 +0000 (18:13 +0000)
commit211048286bef00ffcf04b1b3e1bb3de3de79965a
tree782d5bd224410f6fcc0532ec902ee6944389b727
parentd0588e2a2ed1f7570f13b78c2042855dc4afae10
objc_retainBlock is not NoModRef because it can update forwarding pointers
in memory relevant to the optimizer. rdar://10050579.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139708 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/ObjCARC.cpp
test/Transforms/ObjCARC/retain-block-side-effects.ll [new file with mode: 0644]