For now, return UnknownVal() in RegionStore::getElementsSize() for AnonTypedRegions.  It wasn't really doing the right thing and was crashing on rdar-6442306-1.m.  This fix causes all path-sensitive test cases to pass with RegionStore.

llvm-svn: 62816

load is always aligned.

I verified that the bswap doesn't occur in the assembly code on x86.

llvm-svn: 62815

Add RegionStore support for the implicit object region that 'self' references.  This causes tests 'ObjCProperties.m' and 'refcnt_naming.m' to now pass with RegionStore.

llvm-svn: 62814

initializers, so that we are within the appropriate subobject after
we've processed a multi-designator designation. We're matching GCC and
EDG's behavior on all examples I've found thus far.

*Huge* thanks to Eli Friedman for pointing out my fundamental
misunderstanding of "current object" in the C99 spec.

llvm-svn: 62812

parent wasn't expecting it.

llvm-svn: 62811

llvm-svn: 62808

for the new meta-data.

llvm-svn: 62806

llvm-svn: 62805

llvm-svn: 62804

llvm-svn: 62803

llvm-svn: 62802

llvm-svn: 62801

llvm-svn: 62800

llvm-svn: 62799

llvm-svn: 62798

llvm-svn: 62796

llvm-svn: 62795

llvm-svn: 62785

llvm-svn: 62782

Fix RegionStore::getLValueElement() to handle the case when the base region is not an ElementRegion (also do some cleanups of its core logic).
This gets array-struct.c to work with RegionStore.

llvm-svn: 62781

descriptive.

llvm-svn: 62775

fsyntax-only with PTH by 3%.

llvm-svn: 62774

llvm-svn: 62773

The 'misc-ps.m' test case now passes with RegionStore.  One case needed to be split out into 'misc-ps-basic-store.m' and 'misc-ps-region-store.m' because the behavior was different between the two store models (RegionStore flags an additional valid bug).

llvm-svn: 62772

SymbolReaper::isLive(SymbolRef) now always returns true for SymbolRegionRvalues because these represent the symbolic values for parameters/globals upon entry to the function.  These values are always ;live' because they represent constraints on the context of how the function was called.  This will be useful for both summary generation but is also necessary to get RegionStore's lazy-binding of locations to symbols to work in practice with RemoveDeadBindings.

llvm-svn: 62771

their associated APIs.  We no longer need separate SymbolData objects
for fields, variables, etc.  Instead, we now associated symbols with
the "rvalue" of a MemRegion (i.e., the value stored at that region).
Now we only have two kinds of SymbolData objects: SymbolRegionRValue
and SymbolConjured.

This cleanup also makes the distinction between a SymbolicRegion and a
symbolic value that is a location much clearer.  A SymbolicRegion
represents a chunk of symbolic memory, while a symbolic location is
just a "pointer" with different possible values.  Without any specific
knowledge, a symbolic location resolves (i.e., via a dereference) to a
SymbolicRegion.  In the future, when we do better alias reasoning, a
symbolic location can become an alias for another location, thus
merging the constraints on the referred SymbolicRegion with the other
region.

llvm-svn: 62769

Uncomment the define in Ownership.h to disable the smart pointers.
Disabled, the smart pointers no longer contain a pointer
to the action, and no longer have special destruction or
copying semantics. They are, compiler willing, raw
pointers or ActionResult equivalents.

llvm-svn: 62767

llvm-svn: 62766

llvm-svn: 62744

options (for example, to set relocation model or enable unwind table generation).

llvm-svn: 62740

designated initializers. This implementation should cover all of the
constraints in C99 6.7.8, including long, complex designations and
computing the size of incomplete array types initialized with a
designated initializer. Please see the new test-case and holler if you
find cases where this doesn't work.

There are still some wrinkles with GNU's anonymous structs and
anonymous unions (it isn't clear how these should work; we'll just
follow GCC's lead) and with designated initializers for the members of a
union. I'll tackle those very soon.

CodeGen is still nonexistent, and there's some leftover code in the
parser's representation of designators that I'll also need to clean up.

llvm-svn: 62737

the two Next's objc runtimes. More comments.

llvm-svn: 62735

 - Although gross, this is needed currently to ensure that we produce
   well formed debug information (to match pace with the assertions
   being added to DebugInfo in LLVM).

llvm-svn: 62734

No change in functionality.

llvm-svn: 62729

llvm-svn: 62728

llvm-svn: 62727

Fix <rdar://problem/6512717> by correctly reading the right offset in the token data in PTHLexer::getSourceLocation().

llvm-svn: 62725

Fix Sema::Owned(ExprResult) to not use a ternary operator. Necessary to work around a Visual Studio compiler bug.

Thanks to Doug Gregor for the suggestion.

llvm-svn: 62723

Static Analyzer: Replace LiveSymbols/DeadSymbols sets with a new object called "SymbolReaper".  Right now it just consolidates the two and cleans up some client code, but shortly it will be used to enable "lazy computation" of live symbols for use with RegionStore.

llvm-svn: 62722

the new ObjC's abi.

llvm-svn: 62721