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4 Commits

Author SHA1 Message Date
Jordan Rose 6ee44e1f03 [analyzer] Look through all casts when trying to track constraints. 
Previously, we were losing path notes (in both text and plist form)
because the interesting DeclRefExpr was buried in a cast.

llvm-svn: 161999
 2012-08-16 00:03:33 +00:00
Jordan Rose a3e3343e51 [analyzer] Add plist output checks for all four "path notes" tests. 
No functionality change, but from now on, any new path notes should be
tested both with plain-text output (for ease of human auditing) and with
plist output (to ensure control flow and events are being correctly
represented in Xcode).

llvm-svn: 161351
 2012-08-06 21:28:14 +00:00
Jordan Rose cfb4eb293f [analyzer] When a symbol is null, we should track its constraints. 
Because of this, we would previously emit NO path notes when a parameter
is constrained to null (because there are no stores). Now we show where we
made the assumption, which is much more useful.

llvm-svn: 161280
 2012-08-03 23:09:01 +00:00
Jordan Rose 92e1449b55 [analyzer] Track null/uninitialized C++ objects used in method calls. 
llvm-svn: 161278
 2012-08-03 23:08:49 +00:00