member of reference type in an anonymous struct.  PR13154.

llvm-svn: 161473

llvm-svn: 161472

memory models, except when arc is accessing a weak
ivar (which is an error). // rdar://6505197

llvm-svn: 161458

llvm-svn: 161455

and the other is a glvalue of class type, don't forget to copy-initialize a
temporary when performing the lvalue-to-rvalue conversion on the glvalue.
Strangely, DefaultLvalueConversions misses this part of the lvalue-to-rvalue
conversions.

llvm-svn: 161450

for side-effects. Instead, check for side-effects after performing
initialization. Doing so also removes some strange corner cases and differences
between in-class initialization and constructor initialization.

llvm-svn: 161449

objc_release for performance for these most often
called APIs. // rdar://12040837

llvm-svn: 161448

If you build with -fobjc-arc, then -fobjc-link-runtime is implied but we
don't need to warn about it being unused in that case.  rdar://12039965

llvm-svn: 161444

Comment XML: add a root node kind for enums.

llvm-svn: 161442

llvm-svn: 161435

Allow direct ivar access in init and dealloc methods
in mrr. // rdar://650197

llvm-svn: 161426

llvm-svn: 161408

This is useful for example for %n in printf, which expects
a pointer to int with the same logic for checking as %d
would have in scanf.

llvm-svn: 161407

Also remove redundant constructors and unused member functions.

llvm-svn: 161403

non-POD. Fixes <rdar://problem/12031870>.

llvm-svn: 161395

update implementation to match. An elidable, non-trivial constructor call is a
side-effect under this definition, but wasn't under the old one, because we are
not required to evaluate it even though it may have an effect.

Also rationalize checking for volatile reads: just look for lvalue-to-rvalue
conversions on volatile glvalues, and ignore whether a DeclRefExpr etc is for
a volatile variable.

llvm-svn: 161393

llvm-svn: 161391

was mistakenly classifying dynamic_casts which might throw as having no side
effects.

Switch it from a visitor to a switch, so it is kept up-to-date as future Expr
nodes are added. Move it from ExprConstant.cpp to Expr.cpp, since it's not
really related to constant expression evaluation.

Since we use HasSideEffect to determine whether to emit an unused global with
internal linkage, this has the effect of suppressing emission of globals in
some cases.

I've left many of the Objective-C cases conservatively assuming that the
expression has side-effects. I'll leave it to someone with better knowledge
of Objective-C than mine to improve them.

llvm-svn: 161388

just let the alignment be zero.

PR13531

llvm-svn: 161379

the ASTContext BumpPtr.  Also use the preferred llvm::ArrayRef interface.

llvm-svn: 161373

llvm-svn: 161369

that we attach the lost qualifiers.

Fixes rdar://11882155

llvm-svn: 161368

llvm-svn: 161367

// rdar://6505197

llvm-svn: 161362

command, for example: \tparam\brief.

llvm-svn: 161361

I currently have a bit of redundancy with the cast kind switch statement
inside the ImplicitCast callback, but I might be adding more casts going
forward.

llvm-svn: 161358

Instead of sprinkling dynamic type info propagation throughout
ExprEngine, the added checker would add the more precise type
information on known APIs (Ex: ObjC alloc, new) and propagate
the type info in other cases (ex: ObjC init method, casts (the second is
not implemented yet)).

Add handling of ObjC alloc, new and init to the checker.

llvm-svn: 161357

The one caller that's surrounded by nearby code manipulating the underlying
evaluation context list is left unmodified for readability.

Review by Sean Silva and Richard Smith.

llvm-svn: 161355

llvm-svn: 161352

llvm-svn: 161350

The frameworks correctly use the 'cf_consumed' and 'ns_returns_retained'
attributes for NSMakeCollectable, but we can model the behavior under
garbage collection more precisely than that.

No functionality change.

llvm-svn: 161349

in duplicate -Wuninitialized warnings.  Change so that only the check in
TryConstructorInitialization() will be used and a single warning be emitted.

llvm-svn: 161345

change intended.  No test case as there's no real way to test at this time.

llvm-svn: 161342

llvm-svn: 161331

Doxygen manual claims that multiple \brief or \returns commands will be merged
together, but actual behavior is different (second \brief command becomes a
part of a discussion, second \returns becomes a "Returns: blah" paragraph on
its own).  Anyway, it seems to be a bad idea to use multiple \brief or \returns
commands in a single command.

llvm-svn: 161325

ObjC methods.

llvm-svn: 161324

'clang-cpp'.

For now, the test uses "REQUIRES: shell" to determine if the host system
supports "ln -s", which it uses to create a 'clang-cpp' symlink. This is a bit
hacky and should likely be directly supported by lit.cfg.

llvm-svn: 161317

we know whether the function is virtual. But check it as soon as we do know;
in some cases we don't need to wait for an instantiation.

llvm-svn: 161316

been defined.

llvm-svn: 161315

llvm-svn: 161310