TryEvaluateBool instead of using a raw 'int'. This avoids any
confusion of how 'int' converts to bool, and makes the resultant code
easier to read.
Condense a bunch of 'addSuccessor()' calls in 'if ... else' to use the
ternary operator instead.
llvm-svn: 76947
Educate GRExprEngine::VisitGraph() about 'PreStmt'.
Mark the constructor of 'PostStmt' to be explicit, preventing implicit
conversions and the selection of the wrong 'generateNode' method in
GRStmtNodeBuilder.
Constify a bunch of arguments, which falls out of the changes to ProgramPoint.
llvm-svn: 76809
'Checker' interface. An updated test case illustrates that after calling a
function with the 'nonnull' attribute we now register the fact that the passed
pointer must be non-null. This retention of information was not possible with
the previously used GRSimpleAPICheck interface.
llvm-svn: 76797
instead preferring to use the a region's actual type when creating
symbols and using the QualType passed to Retrieve for implicit
casting. This preprocessor logic is temporary; eventually we will
either remove region casts or keep them.
Temporarily toggle (via preprocessor directives) that SymbolicRegions
with heap storage are not undefined, but instead should be
symbolicated. If we want to model that a SymbolicRegion is
uninitialized, we can explicitly model that by binding UndefinedVal to
that region. It turns out that we want to treat most heap objects as
being defined, not the other way around.
llvm-svn: 76720
'cast type' of a region to invalidate its binding. This only occurs
when using RegionStoreManager, as it records the cast type. I'm
currently considering removing the notion of a cast type (see
comments in code).
llvm-svn: 76719
to SValuator::EvalCast. In the process, the StoreManagers now use this new cast
machinery, and the hack in GRExprEngine::EvalBind to handle implicit casts
involving OSAtomicCompareAndSwap and friends has been removed (and replaced with
logic closer to the logic specific to those functions).
llvm-svn: 76641
-refactor logic for retrieving bindings from VarDecls into
RegionStoreManager::RetrieveVar()
- improve RegionStoreManager::CastRetrievedVal() and SimpleSValuate::EvalCastNL
to better handle casts of values of the same canonical type as well as
casts of LocAsInteger values.
llvm-svn: 76516
Entity can now refer to declarations that are not visible outside the translation unit.
It is a wrapper of a pointer union, it's either a Decl* for declarations that don't
"cross" translation units, or an EntityImpl* which is associated with the specific "visible" Decl.
Included is a test case for handling fields across translation units.
llvm-svn: 76515
pointers.
Enhanced RegionStoreManager::Retrieve() to handle automatic casts when the
loaded value is different from the requested value. This should be refined over
time, but essentially we should always symbolicate locations as locations, and
convert them to non-locations on demand.
These changes now cause 'misc-ps.m' to pass again.
llvm-svn: 76497
where the true or false CFGBlock* for a branch could be NULL. This will handle
the case where we can determine during CFG construction that a branch is
infeasible.
llvm-svn: 76450
is an algorithm that is much easier to understand and slightly more efficient.
Thanks to Mike Stump for our discussions on the CFGBuilder and his comments that
helped prompt this long needed cleanup.
llvm-svn: 76250
Mike Stump