in the AST accessor and micro-optimize it very slightly.

llvm-svn: 150787

conversion to function pointer. Rather than having IRgen synthesize
the body of this function, we instead introduce a static member
function "__invoke" with the same signature as the lambda's
operator() in the AST. Sema then generates a body for the conversion
to function pointer which simply returns the address of __invoke. This
approach makes it easier to evaluate a call to the conversion function
as a constant, makes the linkage of the __invoke function follow the
normal rules for member functions, and may make life easier down the
road if we ever want to constexpr'ify some of lambdas.

Note that IR generation is responsible for filling in the body of
__invoke (Sema just adds a dummy body), because the body can't
generally be expressed in C++.

Eli, please review!

llvm-svn: 150783

loop and switch statements, by teaching Scope that a function scope never has
a continue/break parent for the purposes of control flow. Remove the hack in
block and lambda expressions which worked around this by pretending that such
expressions were continue/break scopes.

Remove Scope::ControlParent, since it's unused.

In passing, teach default statements to recover properly from a missing ';', and
add a fixit for same to both default and case labels (the latter already
recovered correctly).

llvm-svn: 150776

zero-initialize class types with virtual bases when constant-evaluating an
initializer.

llvm-svn: 150770

llvm-svn: 150767

    "Add a completed/incomplete type difference. This allows us to have
    partial types for contexts and forward decls while allowing us to
    complete types later on for debug purposes.

    This piggy-backs on the metadata replacement and rauw changes
    for temporary nodes and takes advantage of the incremental
    support I added in earlier. This allows us to, if we decide,
    to limit adding methods and variables to structures in order
    to limit the amount of debug information output into a .o file.

    The caching is a bit complicated though so any thoughts on
    untangling that are welcome."

with a fix:

 - Remove all RAUW during type construction by adding stub versions
   of types that we later complete.

and some TODOs:

 - Add an RAUW cache for forward declared types so that we can replace
   them at the end of compilation.
 - Remove the code that updates on completed types because we no
   longer need to have that happen. We emit incomplete types on
   purpose and only want to know when we want to complete them.

llvm-svn: 150752

llvm-svn: 150738

Don't try to typo-correct a method redeclaration to declarations not in
the current record as it could lead to infinite recursion if CorrectTypo
finds more than one correction candidate in a parent record.

llvm-svn: 150735

 - Rename the category "Logic Error" -> "Memory Error".
 - Shorten all the messages.

llvm-svn: 150733

of failing realloc. + Minor cleanups.

llvm-svn: 150732

llvm-svn: 150731

llvm-svn: 150728

trailing return type but not a '()'. Recover by inserting the
parentheses. Thanks to Xeo on IRC for the example.

llvm-svn: 150727

llvm-svn: 150726

even if they are not within a function scope. Teach template
instantiation to treat them as such, and make sure that we have a
local instantiation scope when instantiating default arguments and
static data members.

llvm-svn: 150725

Add checker visitation hooks in ExprEngine::Visit() for common no-op expressions.  To be used later.

llvm-svn: 150723

Revert "Move ExplodedNode reclaimation out of ExprEngine and into CoreEngine.  Also have it based on adding predecessors/successors, not node allocation.  No measurable performance change."

llvm-svn: 150722

restriction and add some tests.

llvm-svn: 150721

Move ExplodedNode reclaimation out of ExprEngine and into CoreEngine.  Also have it based on adding predecessors/successors, not node allocation.  No measurable performance change.

llvm-svn: 150720

llvm-svn: 150719

part of class meta-data.

llvm-svn: 150714

name for dot syntax, e.g., NSObject.class or foo.class. For other
C++-keywords-as-method-names, use message send syntax. Fixes
<rdar://problem/10794452>.

llvm-svn: 150710

completions that don't insert braces. Fixes <rdar://problem/10764168>.

llvm-svn: 150707

Also fix the fixit (oh the irony) when it uses CFBridgingRetain/CFBridgingRelease;
they are supposed to be calls with the casted expression as parameter, they should
not be inserted into the cast like the __bridge keywords.

llvm-svn: 150705

dependent attributes on static members of templatized classes.

llvm-svn: 150704

llvm-svn: 150702

Thread-safety analysis: Disable checking inside constructors, destructors, lock, and unlock functions

llvm-svn: 150701

llvm-svn: 150700

For compatibility with gcc, clang will now parse gcc attributes on
function definitions, but issue a warning if the attribute is not a
thread safety attribute.  Warning controlled by -Wgcc-compat.

llvm-svn: 150698

This is in preparation for being able to warn about 'q' and other
non-standard format string features.

It also allows us to print its name correctly.

llvm-svn: 150697

llvm-svn: 150696

This finishes generalized initializer support in Sema.

llvm-svn: 150688

Revert "Revert "Make CXXNewExpr contain only a single initialier, and not hold the used constructor itself.""

This reintroduces commit r150682 with a fix for the Bullet benchmark crash.

llvm-svn: 150685

Revert "Make CXXNewExpr contain only a single initialier, and not hold the used constructor itself."
It leads to a compiler crash in the Bullet benchmark.

This reverts commit r12014.

llvm-svn: 150684

Holding the constructor directly makes no sense when list-initialized arrays come into play. The constructor is now held in a CXXConstructExpr, if construction is what is done. The new design can also distinguish properly between list-initialization and direct-initialization, as well as implicit default-initialization constructors and explicit value-initialization constructors. Finally, doing it this way removes redundance from the AST because CXXNewExpr doesn't try to handle both the allocation and the initialization responsibilities.

This breaks the static analysis of new expressions. I've filed PR12014 to track this.

llvm-svn: 150682

Shift Microsoft enum extensions from -fms-extensions to -fms-compatibility, so -fms-extensions doesn't affect enum semantics in incompatible ways. <rdar://problem/10657186>.

llvm-svn: 150663

llvm-svn: 150660

piece can always be generated.

The default end of diagnostic path piece was failing to generate on a
BlockEdge that was outgoing from a basic block without a terminator,
resulting in a very simple diagnostic being rendered (ex: no path
highlighting or custom visitors). Reuse another function, which is
essentially doing the same thing and correct it not to fail when a block
has no terminator.

llvm-svn: 150659

We are not properly handling the memory regions that escape into struct
fields, which led to a bunch of false positives. Be conservative here
and give up when a pointer escapes into a struct.

llvm-svn: 150658

  * Fix bug when determining whether && / || are potential constant expressions
  * Try harder when determining whether ?: is a potential constant expression
  * Produce a diagnostic on sizeof(VLA) to provide a better source location

llvm-svn: 150657