due to RTTI worries since llvm and clang don't use RTTI, but I was able to 
switch back with no issues as far as I can tell. Once the RTTI issue wasn't
an issue, we were looking for a way to properly track weak pointers to objects
to solve some of the threading issues we have been running into which naturally
led us back to std::tr1::weak_ptr. We also wanted the ability to make a shared 
pointer from just a pointer, which is also easily solved using the 
std::tr1::enable_shared_from_this class. 

The main reason for this move back is so we can start properly having weak
references to objects. Currently a lldb_private::Thread class has a refrence
to its parent lldb_private::Process. This doesn't work well when we now hand
out a SBThread object that contains a shared pointer to a lldb_private::Thread
as this SBThread can be held onto by external clients and if they end up
using one of these objects we can easily crash.

So the next task is to start adopting std::tr1::weak_ptr where ever it makes
sense which we can do with lldb_private::Debugger, lldb_private::Target,
lldb_private::Process, lldb_private::Thread, lldb_private::StackFrame, and
many more objects now that they are no longer using intrusive ref counted
pointer objects (you can't do std::tr1::weak_ptr functionality with intrusive
pointers).

llvm-svn: 149207

headers. The remaining headers require more sophisticated
requirements; they'll be handled separately. Part of
<rdar://problem/10710060>.

llvm-svn: 149206

llvm-svn: 149205

llvm-svn: 149204

library, since it doesn't really have anything to do with Clang.

llvm-svn: 149203

llvm-svn: 149202

llvm-svn: 149201

results in libclang.

llvm-svn: 149200

  @import <complete with module names here>

or

  @import std.<complete with submodule names here>

Addresses <rdar://problem/10710117>.

llvm-svn: 149199

for getting the name of the module file, unifying the code for
searching for a module with a given name (into lookupModule()) and
separating out the mapping to a module file (into
getModuleFileName()). No functionality change.

llvm-svn: 149197

llvm-svn: 149196

llvm-svn: 149195

llvm-svn: 149194

kill the retain from the return site.

This has the workaround nature.  It's badness all around.

llvm-svn: 149193

llvm-svn: 149192

from the SBTarget and SBModule interfaces. Also added many python properties
for easier access to many things from many SB objects.

llvm-svn: 149191

in the presence of straight-line cleanups.  This is a simple but
important case, particularly for ARC.

llvm-svn: 149190

- Don't call malloc+free in the very hot forward().
- Don't call isTiedToDefOperand().
- Don't create BitVector temporaries.
- Merge DeadRegs into KillRegs.
- Eliminate the early clobber checks, they were irrelevant to scavenging.
- Remove unnecessary code from -Asserts builds.

This speeds up ARM PEI by 3.4x and overall llc -O0 codegen time by 11%.

llvm-svn: 149189

llvm-svn: 149188

The alternative LHS &= ~RHS is way too slow because it creates a
temporary that calls malloc/free.

llvm-svn: 149187

like Darwin that don't support it.  We should also complain about
invalid -fvisibility=protected, but that information doesn't seem
to exist at the most appropriate time, so I've left a FIXME behind.

llvm-svn: 149186

llvm-svn: 149185

consume one or more of their arguments. If not done, this will cause a leak
as method will not consume the argument when receiver is null.
// rdar://10444474

llvm-svn: 149184

There is really no reason to have these only available on x86. It's
just __builtin_c[tl]z for shorts.

Modernize the test while at it.

llvm-svn: 149183

(and other targets).

llvm-svn: 149182

llvm-svn: 149181

Fixes PR11877

llvm-svn: 149180

llvm-svn: 149179

StaticAnalyzer: Move ObjC- and CXX-specific methods out of line so checkers that don't care about the language don't have to pull in all the headers.

llvm-svn: 149178

llvm-svn: 149177

llvm-svn: 149175

messages and allows us to fix PR11865.

llvm-svn: 149174

caught by Chad.

llvm-svn: 149173

llvm-svn: 149172

llvm-svn: 149171

llvm-svn: 149168

for when we enable the assisted layout.

llvm-svn: 149167

All of the commands now get globbed into a single line.

lldb.target, lldb.process, lldb.thread and lldb.frame now get initialized with
empty SBTarget, SBProcess, SBThread and SBFrame objects when they don't contain
anything. 

llvm-svn: 149166

llvm-svn: 149165

llvm-svn: 149164