that every declaration lives inside a DeclContext.

Moved several things that don't have names but were ScopedDecls (and,
therefore, NamedDecls) to inherit from Decl rather than NamedDecl,
including ObjCImplementationDecl and LinkageSpecDecl. Now, we don't
store empty DeclarationNames for these things, nor do we try to insert
them into DeclContext's lookup structure.

The serialization tests are temporarily disabled. We'll re-enable them
once we've sorted out the remaining ownership/serialiazation issues
between DeclContexts and TranslationUnion, DeclGroups, etc.

llvm-svn: 62562

llvm-svn: 62556

Dead stores checker: Fix <rdar://problem/6506065> by being more selective when say that a store is dead even though the computed value is used in the enclosing expression.

llvm-svn: 62552

 - Add Darwin_X86_CC1Tool which is shared by Darwin/x86/Compile and
   Darwin/x86/Preprocess tools.

 - Minor bug fixes (CmpDriver exit code, -x cpp-output handling, some
   linker argument translation).

llvm-svn: 62551

PTH: Emitted tokens now consist of 12 bytes that are loaded used 3 32-bit loads.  This reduces user time but increases system time because of the slightly larger PTH file.  Although there is no performance win on Cocoa.h and -Eonly, overall this seems like a good step.

llvm-svn: 62542

The QualType smart pointer assumes we have 3 flag bits available.

llvm-svn: 62540

llvm-svn: 62537

llvm-svn: 62532

llvm-svn: 62531

llvm-svn: 62530

that rules for assignment.

llvm-svn: 62524

llvm-svn: 62523

new DiagnoseIncompleteType. It provides additional information about
struct/class/union/enum types when possible, either by pointing to the
forward declaration of that type or by pointing to the definition (if
we're in the process of defining that type). 
Fixes <rdar://problem/6500531>.

llvm-svn: 62521

llvm-svn: 62520

 - This doesn't follow normal installation procedure of python
   code, but no sense trying too hard since ccc will be moved to
   C++.

 - Entry point is now tools/ccc.

llvm-svn: 62517

with @synthesize being illegal.

llvm-svn: 62515

SourceManager::getFileCharacteristic(FileID) method: we need a 
full location to know if it is a system header etc in the future.

llvm-svn: 62503

safe because a #line can change the file characteristic on a per-loc
basis.

llvm-svn: 62502

safe because a #line can change the file characteristic on a per-loc
basis.

llvm-svn: 62501

no longer such thing as a non-canonical FileID.

llvm-svn: 62499

Run destructors of MacroInfo objects to free memory they allocate.  This addresses <rdar://problem/6506035>.

llvm-svn: 62498

llvm-svn: 62497

llvm-svn: 62496

llvm-svn: 62495

SourceManager::getBuffer(SourceLocation) method.

llvm-svn: 62494

llvm-svn: 62493

llvm-svn: 62492

llvm-svn: 62491

SourceLocation.  This requires making some cleanups to token pasting
and _Pragma expansion.

llvm-svn: 62490

llvm-svn: 62489

Fix type of logical negation for C++.

llvm-svn: 62475

should. This needs cleanup.

llvm-svn: 62473

Anders noticed.

llvm-svn: 62472

llvm-svn: 62469

These actions are extremely widely used (identifier expressions and literals); still no performance regression.

llvm-svn: 62468

llvm-svn: 62466

llvm-svn: 62465

llvm-svn: 62464

llvm-svn: 62463

allocating them from a recycling bump pointer allocator.  This 
reduces malloc/free traffic of parse-noop (but no other mode),
which makes sharking -parse-noop more meaningful.

llvm-svn: 62460