Commit Graph

782 Commits

Author SHA1 Message Date
David Blaikie aa347f9392 Removing a bunch of dead returns/breaks after llvm_unreachables.
llvm-svn: 140407
2011-09-23 20:26:49 +00:00
David Blaikie 83d382b1ca Switch assert(0/false) llvm_unreachable.
llvm-svn: 140367
2011-09-23 05:06:16 +00:00
Argyrios Kyrtzidis a98e861939 [PCH] Fix a regression that r139441 introduced (decls were getting passed
to the consumer without being fully deserialized).

The regression was on compiling boost.python and it was too difficult to get a reduced
test case unfortunately.

Also modify the logic of how objc methods are getting passed to the consumer;
codegen depended on receiving objc methods before the implementation decl.
Since the interesting objc methods are ones with a body and such methods only
exist inside an ObjCImplDecl, deserialize and pass to consumer all the methods
of ObCImplDecl when we see one.

Fixes http://llvm.org/PR10922 & rdar://10117105.

llvm-svn: 139644
2011-09-13 21:35:00 +00:00
Douglas Gregor 79a91418bd Switch LangOptions over to a .def file that describes header of the
language options. Use that .def file to declare the LangOptions class
and initialize all of its members, eliminating a source of annoying
initialization bugs.

AST serialization changes are next up.

llvm-svn: 139605
2011-09-13 17:21:33 +00:00
Douglas Gregor 87d8124b0e Clean up our handling of Objective-C definitions in AST files. Rather
than having CodeGen check whether a declaration comes from an AST file
(which it shouldn't know or care about), make sure that the AST writer and
reader pass along "interesting" declarations that CodeGen needs to
know about.

llvm-svn: 139441
2011-09-10 00:22:34 +00:00
Douglas Gregor 8b7d403684 Allow C++0x enumerations with a fixed underlying type in
Objective-C. The @encode'ing of such an enumeration type is the same
as its underlying type. <rdar://problem/5276348>.

llvm-svn: 139297
2011-09-08 17:18:35 +00:00
Douglas Gregor bab8a96f2f Implement the Objective-C 'instancetype' type, which is an alias of
'id' that can be used (only!) via a contextual keyword as the result
type of an Objective-C message send. 'instancetype' then gives the
method a related result type, which we have already been inferring for
a variety of methods (new, alloc, init, self, retain). Addresses
<rdar://problem/9267640>.

llvm-svn: 139275
2011-09-08 01:46:34 +00:00
Douglas Gregor e8bbc12152 Extend the ASTContext constructor to delay the initialization of
builtin types (When requested). This is another step toward making
ASTUnit build the ASTContext as needed when loading an AST file,
rather than doing so after the fact. No actual functionality change (yet).

llvm-svn: 138985
2011-09-02 00:18:52 +00:00
Douglas Gregor 7018d5bcfb Teach ASTContext and Preprocessor to hold on to references to the same
LangOptions, rather than making distinct copies of
LangOptions. Granted, LangOptions doesn't actually get modified, but
this will eventually make it easier to construct ASTContext and
Preprocessor before we know all of the LangOptions.

llvm-svn: 138959
2011-09-01 20:23:19 +00:00
Fariborz Jahanian 73952fc263 objc - fix up the builtin type for objc_assign_ivar.
// rdar://9362887.

llvm-svn: 138412
2011-08-23 23:33:09 +00:00
Argyrios Kyrtzidis c7e50c5cbd Fix a bug in objc @encoding of C++ classes.
llvm-svn: 138235
2011-08-22 16:03:14 +00:00
Chad Rosier 6fdf38bfbd Fix else style. No functionality change intended.
llvm-svn: 137896
2011-08-17 23:08:45 +00:00
Francois Pichet 5792825fb2 Fix typo.
llvm-svn: 137585
2011-08-14 14:28:49 +00:00
Francois Pichet 00c7e6ceb1 Implement function template specialization at class scope extension in Microsoft mode. A new AST node is introduced: ClassScopeFunctionSpecialization. This node holds a FunctionDecl that is not yet specialized; then during the class template instantiation the ClassScopeFunctionSpecialization will spawn the actual function specialization.
Example:
template <class T>
class A {
public:
  template <class U> void f(U p) {  }
  template <> void f(int p) {  } // <== class scope specialization
};

This extension is necessary to parse MSVC standard C++ headers, MFC and ATL code.
BTW, with this feature in, clang can parse (-fsyntax-only) all the MSVC 2010 standard header files without any error.

llvm-svn: 137573
2011-08-14 03:52:19 +00:00
Fariborz Jahanian 70a315c363 metadata generated by the compiler does not include the weak
attribute of a property. patch by Remy Demarest fixes it.

llvm-svn: 137509
2011-08-12 20:47:08 +00:00
Douglas Gregor 801c99d22d Switch the __int128_t and __uint128_t types over to predefined types
in the AST format, which are built lazily by the ASTContext when
requested.

llvm-svn: 137437
2011-08-12 06:49:56 +00:00
Douglas Gregor 52e02808c5 Switch the Objective-C 'SEL' type over to a predefined type in the
AST file format, lazily generating the actual declaration in
ASTContext as needed.

llvm-svn: 137434
2011-08-12 06:17:30 +00:00
Douglas Gregor 0a58618a09 Switch the Objective-C 'Class' type over to a predefined type in the
AST file format, lazily generating the actual declaration in
ASTContext as needed.

llvm-svn: 137431
2011-08-12 05:59:41 +00:00
Douglas Gregor 3ea7269b54 Move the creation of the predefined typedef for Objective-C's 'id'
type over into the AST context, then make that declaration a
predefined declaration in the AST format. This ensures that different
AST files will at least agree on the (global) declaration ID for 'id',
and eliminates one of the "special" types in the AST file format.

llvm-svn: 137429
2011-08-12 05:46:01 +00:00
Douglas Gregor 9767347b11 Encapsulate the Objective-C id/Class/SEL "redefinition" types in
ASTContext with accessors/mutators. The only functional change is that
the AST writer won't bother writing the id/Class/SEL redefinition type
if it hasn't been explicitly set; previously, it ended up being
written as a synonym for the built-in id/Class/SEL.

llvm-svn: 137349
2011-08-11 20:58:55 +00:00
Douglas Gregor 636e200675 Move the creation of the record type for the state of Objective-C fast
enumerations from the ASTContext into CodeGen, so that we don't need
to serialize it to AST files. This appears to be the last of the
low-hanging fruit for SpecialTypes.

llvm-svn: 137124
2011-08-09 17:23:49 +00:00
Douglas Gregor 7874310ba1 Don't serialize the block descriptor or block extended descriptor
types to AST files; they're only used by debug info generation anyway,
and shouldn't ever exist in the AST anyway.

llvm-svn: 137122
2011-08-09 16:24:26 +00:00
Douglas Gregor abf4e0dfcd Move the construction of the RecordDecl representing the runtime
layout of a constant NSString from the ASTContext over to CodeGen,
since this is solely CodeGen's responsibility. Eliminates one of the
unnecessary "special" types that we serialize.

llvm-svn: 137121
2011-08-09 15:54:21 +00:00
Chad Rosier f01a7ddcd6 More whitespace and naming fixup. No functionality change.
llvm-svn: 136944
2011-08-04 23:34:15 +00:00
Chad Rosier b43c21a1e2 Whitespace.
llvm-svn: 136929
2011-08-04 21:50:29 +00:00
Chad Rosier 64b18eebc6 Fix style and remove obviously redundant code.
llvm-svn: 136907
2011-08-04 19:25:14 +00:00
Ted Kremenek 7d39c9ae36 Change ASTContext::getSideTableAllocatedMemory() to use llvm::capacity_in_bytes().
llvm-svn: 136235
2011-07-27 18:41:12 +00:00
Chad Rosier 99ee7829ff After further discussion it has been determined that alignof should report
the preferred alignment.  Thus, revert r135934, r135935, and r135940.

llvm-svn: 136062
2011-07-26 07:03:04 +00:00
Chad Rosier b23ee96cd5 Allow target to specify about using minimum alignment vs preferred. Takes care of
FIXME: Override "preferred align" for double and long long for ARM apcs-gnu ABI. 
Also part of rdar://9802874

llvm-svn: 135940
2011-07-25 19:39:39 +00:00
Chris Lattner 0e62c1cc0b remove unneeded llvm:: namespace qualifiers on some core types now that LLVM.h imports
them into the clang namespace.

llvm-svn: 135852
2011-07-23 10:55:15 +00:00
Jordy Rose a91768e569 Add a const overload for ObjCInterfaceDecl::all_declared_ivar_begin.
This was previously not-const only because it has to lazily construct a chain
of ivars the first time it is called (and after the chain is invalidated).
In practice, all the clients were just const_casting their const Decls;
all those now-unnecessary const_casts have been removed.

llvm-svn: 135741
2011-07-22 02:08:32 +00:00
Nick Lewycky 26da4ddfa6 In C99, emit an inline function when encountering an extern redeclaration.
Fixes PR10233!

llvm-svn: 135377
2011-07-18 05:26:13 +00:00
Fariborz Jahanian c87c8799ec revert fix for // rdar://9740328
llvm-svn: 135010
2011-07-12 23:20:13 +00:00
Fariborz Jahanian c0f6af2103 objc++: Some level of covariance is allowed in ObjC properties.
Make it also available in ObjC++ propeties. // rdar://9740328

llvm-svn: 135001
2011-07-12 22:05:16 +00:00
Douglas Gregor 842806450c Centralize the getCanonicalType() calls in the Itanium C++ mangling
code so that they only occur in a single place. No functionality change.

llvm-svn: 134961
2011-07-12 04:42:08 +00:00
Cameron Zwarich be652e6a24 r134634 causes a failure on MultiSource/Benchmarks/Olden/bh with TEST=nightly,
so roll it out.

llvm-svn: 134638
2011-07-07 21:03:28 +00:00
Nick Lewycky d755e6ac48 A redeclaration of an inline method in C99 mode should trigger emission of that
function. Fixes PR10233!

llvm-svn: 134634
2011-07-07 20:25:10 +00:00
Eli Friedman a3c122db7e Zap a couple unnecessary loops.
llvm-svn: 134578
2011-07-07 01:54:01 +00:00
Chandler Carruth 3c147a7731 Start switching the AST stats printing to use llvm::errs() instead of
fprintf. There is more cleanup to be done to the AST stats printing...

llvm-svn: 134373
2011-07-04 05:32:14 +00:00
Argyrios Kyrtzidis 8e25253e14 -Fix mistake in ASTContext::getInnerObjCOwnership noticed by Doug
-Remove unnecessary 'return'.
-Remove unnecessary 'if' check (llvm_unreachable make sure attrStr will be non-null)
-Add a test of transferring ownership to a reference cast type.

llvm-svn: 134285
2011-07-01 23:01:46 +00:00
Argyrios Kyrtzidis 7451d1cd00 [ARC] When casting from a pointer to an objective-c object with known ownership, if the
cast type has no ownership specified, implicitly "transfer" the ownership of the cast'ed type
to the cast type:

id x;
static_cast<NSString**>(&x); // Casting as (__strong NSString**).

This currently only works for C++ named casts, C casts to follow.

llvm-svn: 134273
2011-07-01 22:22:50 +00:00
Douglas Gregor 678d76c026 Introduce the notion of instantiation dependence into Clang's AST. A
type/expression/template argument/etc. is instantiation-dependent if
it somehow involves a template parameter, even if it doesn't meet the
requirements for the more common kinds of dependence (dependent type,
type-dependent expression, value-dependent expression).

When we see an instantiation-dependent type, we know we always need to
perform substitution into that instantiation-dependent type. This
keeps us from short-circuiting evaluation in places where we
shouldn't, and lets us properly implement C++0x [temp.type]p2.

In theory, this would also allow us to properly mangle
instantiation-dependent-but-not-dependent decltype types per the
Itanium C++ ABI, but we aren't quite there because we still mangle
based on the canonical type in cases like, e.g.,

  template<unsigned> struct A { };
  template<typename T>
    void f(A<sizeof(sizeof(decltype(T() + T())))>) { }
  template void f<int>(A<sizeof(sizeof(int))>);

and therefore get the wrong answer.

llvm-svn: 134225
2011-07-01 01:22:09 +00:00
John McCall d9dfe3a1f8 Preserve that a TemplateName was arrived at by substituting
for a template template parameter.

Uses to follow.

I've also made the uniquing of SubstTemplateTemplateParmPacks
use a ContextualFoldingSet as a minor space efficiency.

llvm-svn: 134137
2011-06-30 08:33:18 +00:00
Fariborz Jahanian b26d578b41 Eliminate most uses of ShallowCollectObjCIvars which requires
a vector for collection. Use iterators where needed instead.
// rdar://6817577

llvm-svn: 134015
2011-06-28 18:05:25 +00:00
John McCall 15547bbdd1 Be more thorough about mangling unresolved types.
llvm-svn: 134011
2011-06-28 16:49:23 +00:00
Argyrios Kyrtzidis 95a76f3715 Fix regression with @encode string. rdar://9624314.
llvm-svn: 133312
2011-06-17 23:19:38 +00:00
John McCall 31168b077c Automatic Reference Counting.
Language-design credit goes to a lot of people, but I particularly want
to single out Blaine Garst and Patrick Beard for their contributions.

Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself,
in no particular order.

llvm-svn: 133103
2011-06-15 23:02:42 +00:00
Douglas Gregor 39c0272f65 Eliminate a 'default' case in template argument deduction, where we
were just punting on template argument deduction for a number of type
nodes. Most of them, obviously, didn't matter.

As a consequence of this, make extended vector types (via the
ext_vector_type attribute) actually work properly for several
important cases:
  - If the attribute appears in a type-id (i.e, not attached to a
  typedef), actually build a proper vector type
  - Build ExtVectorType whenever the size is constant; previously, we
  were building DependentSizedExtVectorType when the size was constant
  but the type was dependent, which makes no sense at all.
  - Teach template argument deduction to handle
  ExtVectorType/DependentSizedExtVectorType.

llvm-svn: 133060
2011-06-15 16:02:29 +00:00
Richard Smith 938f40b5aa Implement support for C++11 in-class initialization of non-static data members.
llvm-svn: 132878
2011-06-11 17:19:42 +00:00
Douglas Gregor a9d8493310 Objective-C doesn't consider the use of incomplete types as method
parameter types to be ill-formed. However, it relies on the
completeness of method parameter types when producing metadata, e.g.,
for a protocol, leading IR generating to crash in such cases.

Since there's no real way to tighten down the semantics of Objective-C
here without breaking existing code, do something safe but lame:
suppress the generation of metadata when this happens.

Fixes <rdar://problem/9123036>.

llvm-svn: 132171
2011-05-27 01:19:52 +00:00