Dan Gohman a974beaa1f Teach the ARC optimizer about the !clang.arc.copy_on_escape metadata ... tag on objc_retainBlock calls, which indicates that they may be optimized away. rdar://10211286. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142298 91177308-0d34-0410-b5e6-96231b3b80d8		2011-10-17 22:53:25 +00:00
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basic.ll
cfg-hazards.ll
contract-marker.ll
contract-storestrong-ivar.ll
contract-storestrong.ll
contract-testcases.ll
contract.ll
dg.exp
empty-block.ll
expand.ll
gvn.ll
invoke.ll
move-and-form-retain-autorelease.ll
move-and-merge-autorelease.ll
nested.ll
post-inlining.ll
retain-block-alloca.ll
retain-block-side-effects.ll
retain-not-declared.ll
rle-s2l.ll
rv.ll
weak-contract.ll
weak-copies.ll
weak.ll