Apply hidden visibility to most RTTI;  libstdc++ does not rely on exact
pointer equality for the type info (just the type info names).  Apply
the same optimization to RTTI that we do to vtables.

Fixes PR5962.

llvm-svn: 110192

Change the checker callback cache in GRExprEngine to be more compact (and IMHO a little easier to understand), and add the same sort of caching for EvalAssume (tied for least-used callback), mostly as proof-of-concept.

Before we go further with these, we should figure out a way to reuse the visit-and-cache code in CheckerVisit.

llvm-svn: 110191

llvm-svn: 110190

haven't been explicitly instantiated.

llvm-svn: 110189

ObjC exceptions:
  - don't enter a try for the catch blocks unless there's a finally
  - put the setjmp buffer in the locals set for liveness reasons
  - dump the sync object into an alloca in the locals set for liveness reasons
Some of this can go away if the backend starts to properly calculate liveness
in the presence of setjmp (which would also be a *much* stabler solution).

llvm-svn: 110188

short "cooling off" period (defaulting to 5 reparses) before trying to
build a precompiled preamble again. Previously, if we failed to build
the precompiled preamble at any time, we just gave up the whole
charade any never tried again.

llvm-svn: 110187

This will allow debugger plug-ins to make any instance of "lldb_private::StopInfo"
that can completely describe any stop reason. It also provides a framework for
doing intelligent things with the stop info at important times in the lifetime
of the inferior. 

Examples include the signal stop info in StopInfoUnixSignal. It will check with
the process to see that the current action is for the signal. These actions
include wether to stop for the signal, wether the notify that the signal was
hit, and wether to pass the signal along to the inferior process. The 
StopInfoUnixSignal class overrides the "ShouldStop()" method of StopInfo and
this allows the stop info to determine if it should stop at the signal or 
continue the process. 


StopInfo subclasses must override the following functions:

    virtual lldb::StopReason
    GetStopReason () const = 0;

    virtual const char *
    GetDescription () = 0;


StopInfo subclasses can override the following functions:


    // If the subclass returns "false", the inferior will resume. The default
    // version of this function returns "true" which means the default stop
    // info will stop the process. The breakpoint subclass will check if
    // the breakpoint wants us to stop by calling any installed callback on
    // the breakpoint, and also checking if the breakpoint is for the current
    // thread. Signals will check if they should stop based off of the 
    // UnixSignal settings in the process.
    virtual bool
    ShouldStop (Event *event_ptr);

    // Sublasses can state if they want to notify the debugger when "ShouldStop"
    // returns false. This would be handy for breakpoints where you want to
    // log information and continue and is also used by the signal stop info
    // to notify that a signal was received (after it checks with the process
    // signal settings).
    virtual bool
    ShouldNotify (Event *event_ptr)
    {
        return false;
    }

    // Allow subclasses to do something intelligent right before we resume.
    // The signal class will figure out if the signal should be propagated
    // to the inferior process and pass that along to the debugger plug-ins.
    virtual void
    WillResume (lldb::StateType resume_state)
    {
        // By default, don't do anything
    }


The support the Mach exceptions was moved into the lldb/source/Plugins/Process/Utility
folder and now doesn't polute the lldb_private::Thread class with platform
specific code.

llvm-svn: 110184

llvm-svn: 110183

llvm-svn: 110181

llvm-svn: 110180

llvm-svn: 110179

llvm-svn: 110178

llvm-svn: 110177

delete lookup until the end of the class definition.

llvm-svn: 110176

a declaration.

llvm-svn: 110175

including superclass members.  This involved ensuring
that access control was ignored, and ensuring that
the operands of BitCasts were properly scanned for
variables that needed importing.

Also laid the groundwork for declaring objects of
custom types; however, this functionality is disabled
for now because of a potential loop in ASTImporter.

llvm-svn: 110174

delete for a virtual destructor.  Diagnose ambiguities.

Fixes PR7803.

llvm-svn: 110173

it doesn't modify the exit code or the stdout contents, and so that it
doesn't clutter the output with "Command has output on stderr!".

llvm-svn: 110171

(absolute difference with accumulate) intrinsics.  Radar 8228576.

llvm-svn: 110170

and same for stderr, to avoid clutter in the output.

llvm-svn: 110169

llvm-svn: 110168

llvm-svn: 110167

builtin instead of shell.  On my 8 core mac pro, this speeds
up a 'make -j8' null build of the lib directory from 1.11s to
0.77s wall time.

Patch by NAKAMURA Takumi!

llvm-svn: 110166

llvm-svn: 110165

llvm-svn: 110164

mark it nounwind based on whether it contains any non-nounwind calls.
<rdar://problem/8087431>

llvm-svn: 110163

llvm-svn: 110161

llvm-svn: 110160

Store all selectors in the selector hash table instead of only those from the method pool.

llvm-svn: 110158

eliminate several const_casts.

Make CallSite implicitly convertible to ImmutableCallSite.

Rename the getModRefBehavior for intrinsic IDs to
getIntrinsicModRefBehavior to avoid overload ambiguity with CallSite,
which happens to be implicitly convertible to bool.

llvm-svn: 110155

llvm-svn: 110153

Add support for using the FPSCR in conjunction with the vcvtr instruction, for controlling fp to int rounding.
Add support for the FLT_ROUNDS_ node now that the FPSCR is exposed.

llvm-svn: 110152

- Reporting now uses getUnreachableStmt which returns the Stmt* we should report
- Indexing of reachable and visited blocks now use CFGBlock ID's instead of pointers
- The CFG used in the unreachable search is now the unoptimized CFG
- Added 'Dead code' category to warnings
- Removed obsolete function getCondition
- Simplified false positive detection based on properties of FindUnreachableEntryPoints

llvm-svn: 110148

llvm-svn: 110141

Makes GRState::makeWithStore private, to encourage clients to make store changes through GRState instead of directly accessing the StoreManager. Also adds cover methods for InvalidateRegion(s) and EnterStackFrame to GRState.

This is in preparation for proposed region change notifications. No functionality change.

llvm-svn: 110137

llvm-svn: 110135

llvm-svn: 110134

declarations that we saw when creating the precompiled preamble, and
provide those declarations in addition to the declarations parsed in
the main source file when traversing top-level declarations. This
makes the use of precompiled preambles a pure optimization, rather
than changing the semantics of the parsed translation unit.

llvm-svn: 110131

instructions with alignment 0, so that subsequent passes don't
need to bother checking the TargetData ABI size manually.

llvm-svn: 110128

XCore->XCoreGen
PIC16->PIC16CodeGen

After updating your working copy, the first build will fail because it
is using the old library dependencies. Start the build again and it
will work fine.

llvm-svn: 110127