Commit Graph

39 Commits

Author SHA1 Message Date
Micah Villmow ea2fea2a60 Cleanup some clang code to use new type functions instead of using cast<>.
llvm-svn: 166684
2012-10-25 15:39:14 +00:00
David Blaikie eb7d598cec PR13684: Emit vtable entries for deleted functions as __cxa_deleted_function.
This is consistent/interoperable with GCC 4.7 (& __cxa_deleted_function isn't
present in 4.4 - not sure when it got added, but you'll need something with
that function available for this to work).

llvm-svn: 166069
2012-10-16 22:56:05 +00:00
John McCall 82fb892019 When performing a ::delete of an object with a virtual destructor,
be sure to delete the complete object pointer, not the original
pointer.  This is necessary if the base being deleted is at a
non-zero offset in the complete object.  This is only required
for objects with virtual destructors because deleting an object
via a base-class subobject when the base does not have a virtual
destructor is undefined behavior.

Noticed while reviewing the last four years of cxx-abi-dev
activity.

llvm-svn: 164597
2012-09-25 10:10:39 +00:00
John McCall 0f999f329c In the MS ABI, ctors return 'this'. Patch by Dmitry Sokolov.
llvm-svn: 164592
2012-09-25 08:00:39 +00:00
Joao Matos 2ce88ef9a7 [Windows] Abstract pure virtual method calls in the ABI. Fix the Windows ABI to forward to the correct function.
llvm-svn: 160373
2012-07-17 17:10:11 +00:00
Charles Davis a325a6e0dc IRGen: Factor v-table generation into the CGCXXABI object.
llvm-svn: 159091
2012-06-23 23:44:00 +00:00
John McCall c84ed6a336 Abstract the emission of global destructors into ABI-specific code
and only consider using __cxa_atexit in the Itanium logic.  The
default logic is to use atexit().

Emit "guarded" initializers in Microsoft mode unconditionally.
This is definitely not correct, but it's closer to correct than
just not emitting the initializer.

Based on a patch by Timur Iskhodzhanov!

llvm-svn: 155894
2012-05-01 06:13:13 +00:00
John McCall b91cd6687c Refactor the C++ ABI code a little bit to take advantage of
what I'm going to treat as basically universal properties of
array-cookie code.  Implement MS array cookies on top of that.
Based on a patch by Timur Iskhodzhanov!

llvm-svn: 155886
2012-05-01 05:23:51 +00:00
John McCall 152c9919e9 ErrorUnsupported on array cookies in the MS C++ ABI code;
patch by Timur Iskhodzhanov.

llvm-svn: 153990
2012-04-04 01:33:45 +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
Chris Lattner 57540c5be0 fix a bunch of comment typos found by codespell. Patch by
Luis Felipe Strano Moraes!

llvm-svn: 129559
2011-04-15 05:22:18 +00:00
John McCall 2903675929 Notes on dynamic array cookies in MSVC.
My thanks to chapuni for his help in investigating this.

llvm-svn: 124351
2011-01-27 02:46:02 +00:00
Peter Collingbourne 0ff0b37627 Move name mangling support from CodeGen to AST. In the
process, perform a number of refactorings:

- Move MiscNameMangler member functions to MangleContext
- Remove GlobalDecl dependency from MangleContext
- Make MangleContext abstract and move Itanium/Microsoft functionality
  to their own classes/files
- Implement ASTContext::createMangleContext and have CodeGen use it

No (intended) functionality change.

llvm-svn: 123386
2011-01-13 18:57:25 +00:00
Chris Lattner ad3467ee89 The -fshort-wchar option causes wchar_t to become unsigned, in addition to being
16-bits in size.  Implement this by splitting WChar into two enums, like we have
for char.  This fixes a miscompmilation of XULRunner, PR8856.

llvm-svn: 122558
2010-12-25 23:25:43 +00:00
Douglas Gregor d2fa766ad0 Introduce a new type, PackExpansionType, to capture types that are
pack expansions, e.g. given

  template<typename... Types> struct tuple;

  template<typename... Types>
  struct tuple_of_refs {
    typedef tuple<Types&...> types;
  };

the type of the "types" typedef is a PackExpansionType whose pattern
is Types&. 

This commit introduces support for creating pack expansions for
template type arguments, as above, but not for any other kind of pack
expansion, nor for any form of instantiation.

llvm-svn: 122223
2010-12-20 02:24:11 +00:00
Charles Davis 99202b358f Use the right calling convention when mangling names in the Microsoft C++
mangler. Now member functions and pointers thereof have their calling
convention mangled as __thiscall if they have the default CC (even though,
they technically still have the __cdecl CC).

llvm-svn: 118598
2010-11-09 18:04:24 +00:00
John McCall 68ff03728a Implement ARM static local initialization guards, which are more compact than
Itanium guards and use a slightly different compiled-in API.

llvm-svn: 113330
2010-09-08 01:44:27 +00:00
Dawn Perchik 335e16bad4 Add symantic support for the Pascal calling convention via
"__attribute((pascal))" or "__pascal" (and "_pascal" under
-fborland-extensions).  Support still needs to be added to llvm.

llvm-svn: 112939
2010-09-03 01:29:35 +00:00
John McCall 5d865c3292 Teach IR generation to return 'this' from constructors and destructors
under the ARM ABI.

llvm-svn: 112588
2010-08-31 07:33:07 +00:00
John McCall a1dee5300b Experiment with using first-class aggregates to represent member function
pointers.  I find the resulting code to be substantially cleaner, and it
makes it very easy to use the same APIs for data member pointers (which I have
conscientiously avoided here), and it avoids a plethora of potential
inefficiencies due to excessive memory copying, but we'll have to see if it
actually works.

llvm-svn: 111776
2010-08-22 10:59:02 +00:00
Chris Lattner 396639db95 zap dead code.
llvm-svn: 111365
2010-08-18 16:09:06 +00:00
Charles Davis 53c59df2f7 Implement support for member pointers under the Microsoft C++ ABI in the
AST library.

This also adds infrastructure for supporting multiple C++ ABIs in the AST.

llvm-svn: 111117
2010-08-16 03:33:14 +00:00
Charles Davis 3babfba597 Mangle Objective-C pointers and block pointers in the Microsoft C++ Mangler.
ObjC pointers were easy enough (as far as the ABI is concerned, they're
just pointers to structs), but I had to invent a new mangling for block
pointers. This is particularly worrying with the Microsoft ABI, because
it is a vendor-specific ABI; extending it could come back to bite us
later when MS extends it on their own (and you know they will).

llvm-svn: 107572
2010-07-03 16:56:59 +00:00
Charles Davis 3b10dd1bec Fix mangling of array dimensions in the Microsoft C++ Mangler.
llvm-svn: 107568
2010-07-03 08:15:16 +00:00
Charles Davis d49950a317 Mangle member pointer types in the Microsoft C++ Mangler.
llvm-svn: 107567
2010-07-03 08:01:32 +00:00
Charles Davis 0029a2a957 Fix mangling of function pointers in the Microsoft C++ Mangler.
llvm-svn: 107564
2010-07-03 05:53:41 +00:00
Charles Davis 77552766d9 Fix mangling of array parameters for functions in the Microsoft C++ Mangler.
Only actual functions get mangled correctly; I don't know how to fix it for
function pointers yet. Thanks to John McCall for the hint.

Also, mangle anonymous tag types. I don't have a suitable testcase yet; I have
a feeling that that's going to need support for static locals, and I haven't
figured out exactly how MSVC's scheme for mangling those works.

llvm-svn: 107561
2010-07-03 02:41:45 +00:00
Charles Davis 2a47730767 Mangle arrays in the Microsoft C++ Mangler. It's not quite finished (it
doesn't mangle array parameters right), but I think that should be fixed
in Sema (Doug, John, what do you think?).

Also, stub out the remaining mangleType() routines.

llvm-svn: 107264
2010-06-30 08:09:57 +00:00
Charles Davis f4db33cbdf Mangle pointer and (lvalue) reference types in the Microsoft C++ Mangler.
Also, fix mangling of throw specs. Turns out MSVC totally ignores throw
specs when mangling names.

llvm-svn: 106937
2010-06-26 03:50:05 +00:00
Fariborz Jahanian 9b5528d278 Patch to correctly mangle block helper functions
when block literal is declared inside a ctor/dtor.
Fixes radr 8096995.

llvm-svn: 106700
2010-06-24 00:08:06 +00:00
Charles Davis 108f5a2748 Mangle tag types (unions, structs, classes, enums) in the Microsoft C++ Mangler.
Also, test that static members with default visibility in a struct have the
right mangling.

llvm-svn: 106276
2010-06-18 07:51:00 +00:00
Charles Davis 8c02c13e19 Mangle operator names in the Microsoft C++ Mangler.
llvm-svn: 106211
2010-06-17 06:47:31 +00:00
Charles Davis 89338af1ff Start mangling function types in the Microsoft C++ Mangler.
llvm-svn: 106081
2010-06-16 05:33:16 +00:00
Charles Davis 2d7b10cc97 Microsoft C++ Mangler:
- Mangle qualifiers.
- Start mangling variables' types into the name. A variable declared with a
  builtin type should now mangle properly.

llvm-svn: 105931
2010-06-14 05:29:01 +00:00
Charles Davis 7dacc95299 Microsoft C++ Mangler:
- Don't mangle static variables at global scope.
- Add support for mangling builtin types. This will be used later.

llvm-svn: 105881
2010-06-12 08:11:16 +00:00
Charles Davis b6a5a0d9e1 When mangling for the Microsoft C++ ABI, mangle variables in the global
namespace, too.

llvm-svn: 105809
2010-06-11 04:25:47 +00:00
Charles Davis 9af2d4a614 Start implementing the Microsoft-style name mangler. Mangle simple names
(but not their types; that's later).

NOTE: Right now, variables in the global namespace don't get mangled, even
though they're supposed to be. This is because the default mangler
implements the shouldMangleDeclName() method that tells clang not to mangle
them. This will be fixed in a later patch.

llvm-svn: 105805
2010-06-11 03:07:32 +00:00
Charles Davis 95a546ee4d Add an option to specify the target C++ ABI to the frontend. Use it to
select either the default Itanium ABI or the new, experimental Microsoft ABI.

llvm-svn: 105804
2010-06-11 01:06:47 +00:00
Charles Davis 74ce85980b Add a stub Microsoft Visual C++ ABI class (with stub mangler).
llvm-svn: 105767
2010-06-09 23:25:41 +00:00