Diagnose VLAs as an error in C++.

Also, treat the GNU __null as an integral constant expression to match
GCC's behavior.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81490 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure ObjCInterfaceDecl's that are forward declared always contain a valid location.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81487 91177308-0d34-0410-b5e6-96231b3b80d8

Pass the GlobalDecl to getMangledName, fixes PR4890.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81486 91177308-0d34-0410-b5e6-96231b3b80d8

Pass GlobalDecls to GenerateCode and StartFunction.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81485 91177308-0d34-0410-b5e6-96231b3b80d8

GlobalDecl doesn't have an explicit constructor anymore.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81481 91177308-0d34-0410-b5e6-96231b3b80d8

Add stricter GlobalDecl constructors.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81480 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a regression where write-barrier was not being generated
for block pointer.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81479 91177308-0d34-0410-b5e6-96231b3b80d8

Eliminate some "default"s in CheckICE.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81477 91177308-0d34-0410-b5e6-96231b3b80d8

Look for overloaded arrow operators in base classes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81475 91177308-0d34-0410-b5e6-96231b3b80d8

Teach LIT2 how to run Clang tests in the objdir for srcdir != objdir builds.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81472 91177308-0d34-0410-b5e6-96231b3b80d8

Initial handling of -m{soft-float,hard-float,float-abi=} for ARM.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81471 91177308-0d34-0410-b5e6-96231b3b80d8

Move X86 handling of -m[no-]soft-float and -m[no-]red-zone into AddX86TargetArgs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81470 91177308-0d34-0410-b5e6-96231b3b80d8

Change getLLVMArchNameForARM to just get the suffix.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81469 91177308-0d34-0410-b5e6-96231b3b80d8

Patch to collect conversion methods in base(s) and derived
class into a candidate set.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81467 91177308-0d34-0410-b5e6-96231b3b80d8

Non fragile ABI for GNU runtime. Patch bu David Chisnall.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81462 91177308-0d34-0410-b5e6-96231b3b80d8

Don't check use of a member function declaration used if the member function is virtual and the member reference expression doesn't explicitly qualify it. Fixes PR4878.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81460 91177308-0d34-0410-b5e6-96231b3b80d8

static_cast, reinterpret_cast, and const_cast can all be used in C++
integral constant expressions (for conversions to integer types,
naturally). I don't *think* that const_casts will ever get to this
point, but I also can't convince myself that they won't... so I've
taken the safe route and allowed the ICE checking code to look at
const_cast.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81453 91177308-0d34-0410-b5e6-96231b3b80d8

When performing unqualified name lookup into a DeclContext, also look into
all of the parent DeclContexts that aren't represented within the
Scope chain. This fixes some name-lookup problems in out-of-line
definitions of members of nested classes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81451 91177308-0d34-0410-b5e6-96231b3b80d8

Get the size of object to pass to objc_memmove_collectable()
from correct field of TypeInfo.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81446 91177308-0d34-0410-b5e6-96231b3b80d8

set svn:ignore

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81444 91177308-0d34-0410-b5e6-96231b3b80d8

Add code to mangle the triple for LLVM on ARM.
 - I think we should get rid of this distinction though, but I need to discuss with the interested parties.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81435 91177308-0d34-0410-b5e6-96231b3b80d8

Make AnalysisManager stateless. Now other analyzer components only depends on
local node information.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81433 91177308-0d34-0410-b5e6-96231b3b80d8

Don't pass -fno-builtin-str{cat,cpy} to clang-cc, I forget we don't support that yet. PR4941.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81430 91177308-0d34-0410-b5e6-96231b3b80d8

ARM: Pass -mcpu to clang-cc based on -march= and -mcpu=.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81429 91177308-0d34-0410-b5e6-96231b3b80d8

Don't substitute prcontext.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81428 91177308-0d34-0410-b5e6-96231b3b80d8

Implement Darwin/ARM behavior for defaulting to -fno-builtin-str{cat,cpy}.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81425 91177308-0d34-0410-b5e6-96231b3b80d8

Make the forwarding member of block byref structs be a pointer to the block byref struct itself.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81423 91177308-0d34-0410-b5e6-96231b3b80d8

Add a check that -static is not used with -dynamic or -mdynamic-no-pic.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81421 91177308-0d34-0410-b5e6-96231b3b80d8

Factor out CheckPreprocessing options to share between Clang/CC1 tools.

Also, fix forwarding of -C/-CC to cc1.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81420 91177308-0d34-0410-b5e6-96231b3b80d8

Recognize and ignore -Woverloaded-virtual.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81419 91177308-0d34-0410-b5e6-96231b3b80d8

Fix dependencies for DiagnosticGroups.td.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81418 91177308-0d34-0410-b5e6-96231b3b80d8

When re-entering a template scope, we may be entering a class template
partial specialization rather than a subclass of TemplateDecl. Fixes a
crash in libstdc++ 4.2's <map>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81407 91177308-0d34-0410-b5e6-96231b3b80d8

Don't bother to perform any initialization for a variable declaration
of class type whose default constructor is trivial. Should un-break
testing on x86_64-pc-linux-gnu.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81405 91177308-0d34-0410-b5e6-96231b3b80d8

For a C++ delete expression where the operand is of class type that
has a single conversion to pointer-to-object type, implicitly convert
to that pointer-to-object type (C++ [expr.delete]p1).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81401 91177308-0d34-0410-b5e6-96231b3b80d8

Use the right GlobalDecl type for destructors.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81398 91177308-0d34-0410-b5e6-96231b3b80d8

Improve handling of initialization by constructor, by ensuring that
such initializations properly convert constructor arguments and fill
in default arguments where necessary. This also makes the ownership
model more clear.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81394 91177308-0d34-0410-b5e6-96231b3b80d8

Improve Darwin argument translation to match what the driver driver does.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81391 91177308-0d34-0410-b5e6-96231b3b80d8

Move Clang X86 cpu/feature argument translation into AddX86TargetArgs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81390 91177308-0d34-0410-b5e6-96231b3b80d8

Change Get{File,Program}Path to return an std::string (instead of a sys::Path).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81389 91177308-0d34-0410-b5e6-96231b3b80d8

Remove gratuitous use of c_str().

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81388 91177308-0d34-0410-b5e6-96231b3b80d8

Use Twine concatenation instead of llvm::format.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81387 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81386 91177308-0d34-0410-b5e6-96231b3b80d8

StringRefize ArgList construction of ArgStrings.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81385 91177308-0d34-0410-b5e6-96231b3b80d8

Suppress build warning.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81384 91177308-0d34-0410-b5e6-96231b3b80d8

If a cast expression needs either a conversion function or a constructor to be called, generate implicit child expressions that call them.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81383 91177308-0d34-0410-b5e6-96231b3b80d8

Implement:  <rdar://problem/7185647> [RegionStore] 'self' cannot be NULL upon entry to a method

Here we implement this as a precondition within GRExprEngine, even though it is
related to how BasicStoreManager and RegionStoreManager model 'self'
differently. Putting this as a high-level precondition is more general, which is
why it isn't in RegionStore.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81378 91177308-0d34-0410-b5e6-96231b3b80d8

Status update related to code gen for type conversion
functions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81373 91177308-0d34-0410-b5e6-96231b3b80d8

Use AddDarwinArch for passing arch name to assembler.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81368 91177308-0d34-0410-b5e6-96231b3b80d8

Add DarwinTool base class for all Darwin tools, and move AddDarwin[Sub]Arch there.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81367 91177308-0d34-0410-b5e6-96231b3b80d8

Push bound architecture name into TranslateArgs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81366 91177308-0d34-0410-b5e6-96231b3b80d8

Push bound architecture name into Compilation::getArgsForToolChain.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81365 91177308-0d34-0410-b5e6-96231b3b80d8

Remove tabs, and whitespace cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81346 91177308-0d34-0410-b5e6-96231b3b80d8

Remove tab characters.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81340 91177308-0d34-0410-b5e6-96231b3b80d8

Reflow comments and some minor whitespace fixups.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81337 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a thinko

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81317 91177308-0d34-0410-b5e6-96231b3b80d8

Make BuildByRefType take a ValueDecl instead of a QualType and an alignment.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81315 91177308-0d34-0410-b5e6-96231b3b80d8

Allow a declaration of an array to complete a prior, incomplete
declaration of that array in C++.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81309 91177308-0d34-0410-b5e6-96231b3b80d8

Initial stab at implement dependent member references to member
templates, e.g.,

  x.template get<T>

We can now parse these, represent them within an UnresolvedMemberExpr
expression, then instantiate that expression node in simple cases.

This allows us to stumble through parsing LLVM's Casting.h.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81300 91177308-0d34-0410-b5e6-96231b3b80d8

More objc GC's API work for array of pointers declared
as __strong.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81283 91177308-0d34-0410-b5e6-96231b3b80d8

Change Darwin toolchain lookup to use llvm::Triple.
 - -2+1 FIXMEs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81282 91177308-0d34-0410-b5e6-96231b3b80d8

Validate arguments to -arch.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81281 91177308-0d34-0410-b5e6-96231b3b80d8

Rename HostInfo::getToolChain to HostInfo::CreateToolChain, and don't recreate
the default tool chain when binding the default architecture.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81279 91177308-0d34-0410-b5e6-96231b3b80d8

Delete trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81278 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81277 91177308-0d34-0410-b5e6-96231b3b80d8

Fix ShouldUseClangCompiler to use llvm::Triple.
 - -1 FIXME, and fixes 'clang -arch armv4t ...', for example.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81276 91177308-0d34-0410-b5e6-96231b3b80d8

Tweak & reflow comments, and delete trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81275 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure to access APValue's data via a char array (rather than
through an array of void*), so that we don't run afoul of the
strict-aliasing rules in C++ 3.10p15. Unfortunately, GCC 4.4 still
complains about this code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81251 91177308-0d34-0410-b5e6-96231b3b80d8

Fixes a regression in generating objc's GC API
in assiging to c pointer types with a GC'able
attribute.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81244 91177308-0d34-0410-b5e6-96231b3b80d8

convert this to filecheck, hopefully it will fix PR4888.  If nothing
else it will make tests run faster and make 4888 easier to diagnose.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81238 91177308-0d34-0410-b5e6-96231b3b80d8

Vastly improve PredefinedExpr output, both in Sema and CodeGen. Patch by Sam Weinig!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81237 91177308-0d34-0410-b5e6-96231b3b80d8

Fix PR4922, where Sema would complete tentative definitions in nondeterminstic
order because it was doing so while iterating over a densemap.

There are still similar problems in other places, for example
WeakUndeclaredIdentifiers is still written to the PCH file in a nondeterminstic
order, and we emit warnings about #pragma weak in nondeterminstic order.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81236 91177308-0d34-0410-b5e6-96231b3b80d8

reduce indentation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81234 91177308-0d34-0410-b5e6-96231b3b80d8

Support templateids in friend declarations.  Fixes bug 4859.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81233 91177308-0d34-0410-b5e6-96231b3b80d8

Support running tests using the new 'lit', via 'make test LIT2=1'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81225 91177308-0d34-0410-b5e6-96231b3b80d8

Remove FIXMEs for pedantically-gcc-bug-compatible behavior.
 - We aren't going to fix these since they haven't caused problems in practice.

 - Similarly, don't forward -object to Darwin ld.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81224 91177308-0d34-0410-b5e6-96231b3b80d8

Handle variadic constructors better. Share code between BuildCXXConstructExpr and BuildCXXTemporaryObjectExpr.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81181 91177308-0d34-0410-b5e6-96231b3b80d8

Clean up the CXXConstructExpr constructor, add Arg getters.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81178 91177308-0d34-0410-b5e6-96231b3b80d8

reject returning a block expr even when it has parens and casts in the way.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81176 91177308-0d34-0410-b5e6-96231b3b80d8

Remove trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81169 91177308-0d34-0410-b5e6-96231b3b80d8

BuildCXXConstructExpr now takes a MultiExprArg.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81160 91177308-0d34-0410-b5e6-96231b3b80d8

Check that the destination type of a static_cast expression is a complete type.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81151 91177308-0d34-0410-b5e6-96231b3b80d8

More <sstream> removal.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81150 91177308-0d34-0410-b5e6-96231b3b80d8

Remove unnecessary #include <sstream>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81147 91177308-0d34-0410-b5e6-96231b3b80d8

Refine vcall offsets.  Cleanups.  WIP.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81143 91177308-0d34-0410-b5e6-96231b3b80d8

Use a SetVector for tracking some Obj-C metadata, to ensure deterministic
output.
 - Also, cleanup code to output inline asm references.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81139 91177308-0d34-0410-b5e6-96231b3b80d8

Test for generation of objc_assign_strongCast in a variety of
situations.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81129 91177308-0d34-0410-b5e6-96231b3b80d8

Reapply 81096, now with a fix. Spot the bug:

      for (unsigned i = numargs; i < NumArgs; ++i)
        Args[0] = 0;

;)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81123 91177308-0d34-0410-b5e6-96231b3b80d8

Revert "Initialize default CXXConstructExpr arguments to 0. Fixes a crash when
destroying the CXXConstructExpr.", this is causing test failures across the
board.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81100 91177308-0d34-0410-b5e6-96231b3b80d8

lit: Set requireAndAnd config variable (currently unused).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81099 91177308-0d34-0410-b5e6-96231b3b80d8

Initialize default CXXConstructExpr arguments to 0. Fixes a crash when destroying the CXXConstructExpr.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81096 91177308-0d34-0410-b5e6-96231b3b80d8

Fix buffer overflow reported in PR 4903.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81092 91177308-0d34-0410-b5e6-96231b3b80d8

Refine overrides and thunks for virtual bases.  Cleanups.  WIP.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81080 91177308-0d34-0410-b5e6-96231b3b80d8

Replace some instances of std::string with StringRefs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81079 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81078 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81077 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81075 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81074 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81073 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81072 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81071 91177308-0d34-0410-b5e6-96231b3b80d8