e6174a2c85
Update more tests to the new EH scheme.
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llvm-svn: 138894
2011-08-31 21:04:11 +00:00
56e1cef705
Constant pointers to objects don't need reference counting.
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llvm-svn: 138242
2011-08-22 17:29:11 +00:00
bce94fded8
Make a few tests slightly more strict.
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llvm-svn: 138241
2011-08-22 17:27:02 +00:00
b38940135b
Track a retain+release nesting level independently of the
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known-incremented level, because the two concepts can be used
to prove the saftey of a retain+release removal in different
ways.
llvm-svn: 138016
2011-08-19 00:26:36 +00:00
02e737b08e
Move "atomic" and "volatile" designations on instructions after the opcode
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of the instruction.
Note that this change affects the existing non-atomic load and store
instructions; the parser now accepts both forms, and the change is noted
in the release notes.
llvm-svn: 137527
2011-08-12 22:50:01 +00:00
10a18d55ce
Don't convert objc_autoreleaseReturnValue to objc_autorelease if the result
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is returned through a bitcast.
llvm-svn: 137402
2011-08-12 00:36:31 +00:00
121302772d
Don't let arbitrary calls disrupt nested retain+release pairs if
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the retains and releases all use the same SSA pointer value.
Also, don't let CFG hazards disrupt nested retain+release pair
optimizations.
llvm-svn: 137399
2011-08-12 00:26:31 +00:00
b24a1d29cb
Tidy up these testcases to look more like real code does.
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llvm-svn: 137085
2011-08-09 00:33:11 +00:00
6320f52ff4
Move the last uses of RetainFunc etc. over to using getRetainCallee() etc.
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so that a declaration for objc_retain is created when needed if it doesn't
already exist. rdar://9825114.
llvm-svn: 135821
2011-07-22 22:29:21 +00:00
00fa9634d5
Fix ARCOpt to insert releases on both successors of an invoke rather
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than trying to insert them immediately after the invoke.
llvm-svn: 133188
2011-06-16 20:57:14 +00:00
d935e9c359
The ARC language-specific optimizer. Credit to Dan Gohman.
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llvm-svn: 133108
2011-06-15 23:37:01 +00:00
Bill Wendling