Remove the TopLevelDecls from TranslationUnit, since all of those decls are owned by the ASTContext's TranslationUnitDecl. There are definitely some leaking Decls now that I'll tackle tomorrow

llvm-svn: 62568

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

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: 62530

that rules for assignment.

llvm-svn: 62524

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

with @synthesize being illegal.

llvm-svn: 62515

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: 62492

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

llvm-svn: 62490

Fix type of logical negation for C++.

llvm-svn: 62475

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

llvm-svn: 62458

llvm-svn: 62455

rearrange GetIdentifierInfo so that the fast path can be partially inlined into PTHLexer::Lex.  This speeds up the user time of PTH -Eonly by another 2ms (4.4%)

llvm-svn: 62454

llvm-svn: 62450

instead of assembling from bytes.  This speeds up -Eonly PTH reading 
of cocoa.h by about 2ms, which is 4.2%.

llvm-svn: 62447

llvm-svn: 62446

copies.  I verified that this causes no performance change in PTH.

llvm-svn: 62445

llvm-svn: 62444

llvm-svn: 62443

internally.  This is just a cleanup that reduces the need to cast to
unsigned char before assembling a larger integer.

llvm-svn: 62442