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185 Commits

Author SHA1 Message Date
Anders Carlsson
6a6cbfc55f More work on covariant return types. We now handle non-virtual adjustments fine. 
llvm-svn: 96114
 2010-02-13 20:11:51 +00:00
Chandler Carruth
a932bbca75 Fix think-o, attributes can't come *within* the type of the variable. 
llvm-svn: 96099
 2010-02-13 10:42:55 +00:00
Chandler Carruth
94eab4ad04 Silence unused variable warning in a build without assertions. 
llvm-svn: 96098
 2010-02-13 10:38:52 +00:00
Benjamin Kramer
e047e11189 Remove dead {include, semicolon, variable}. 
llvm-svn: 96087
 2010-02-13 09:15:07 +00:00
Benjamin Kramer
02c673781d Use a different name for this iterator. MSVC and clang++ didn't like "I" in the same scope twice. 
llvm-svn: 96086
 2010-02-13 09:11:28 +00:00
Anders Carlsson
eee53d9c06 More work on return type adjustments in the new vtable builder. 
llvm-svn: 96070
 2010-02-13 02:02:03 +00:00
John McCall
ef3057c419 Switch the standard DeclarationName comparator to be a tri-valued comparator. 
Use that while fixing a nasty misuse of qsort in vtable codegen which, somehow,
has not actually caused a crash.

llvm-svn: 96062
 2010-02-13 01:04:05 +00:00
Eli Friedman
18c28f6cdc if-0 out printf. 
llvm-svn: 96052
 2010-02-13 00:03:21 +00:00
Anders Carlsson
0760481f26 Fix a refacto that broke the clang-on-clang build. 
llvm-svn: 95994
 2010-02-12 18:14:46 +00:00
Anders Carlsson
5272c2574a Start stubbing out more of the covariant thunk support. 
llvm-svn: 95990
 2010-02-12 17:37:14 +00:00
Anders Carlsson
8e661e15f2 Keep track of whether a final overrider needs a return type adjustment. 
llvm-svn: 95985
 2010-02-12 17:13:23 +00:00
Anders Carlsson
136bd19224 Move overrider out into a separate struct. 
llvm-svn: 95984
 2010-02-12 16:55:34 +00:00
Anders Carlsson
e8a9756e63 Keep track of the address points for all primary bases, and add the ability to dump multiple address points for a single offset. 
llvm-svn: 95970
 2010-02-12 07:43:48 +00:00
John McCall
84c416b9f6 Fix a bug causing an assertion when a covariant return type differed from 
an overriden type only by reduced qualification.

llvm-svn: 95968
 2010-02-12 06:15:07 +00:00
Anders Carlsson
65b4978f7f More work on vtable layout. We can now layout vtables with primary bases. 
llvm-svn: 95965
 2010-02-12 05:25:12 +00:00
Anders Carlsson
09da3372b6 When dumping vtables, dump whether a virtual member function is pure or not. 
llvm-svn: 95963
 2010-02-12 02:38:13 +00:00
Anders Carlsson
9fbf6d95f6 More work on the final overriders. 
llvm-svn: 95954
 2010-02-12 01:40:03 +00:00
Anders Carlsson
e8ac42ad5c Stub out the final overriders class. 
llvm-svn: 95922
 2010-02-11 21:24:32 +00:00
Anders Carlsson
dd27b5d7bb Use getAs instead of cast/dyn_cast on types. (I'm sure Doug will appreciate this). 
llvm-svn: 95911
 2010-02-11 19:45:15 +00:00
Anders Carlsson
727ffb14a1 Move two functions to the top. No functionality change. 
llvm-svn: 95908
 2010-02-11 19:39:49 +00:00
Anders Carlsson
5bd8d19291 More vtable layout dumper improvements. Handle destructors, dump the complete function type of the member functions (using PredefinedExpr::ComputeName. 
llvm-svn: 95887
 2010-02-11 18:20:28 +00:00
Anders Carlsson
932c2f2a9a Keep track of, and dump, vtable address points. 
llvm-svn: 95874
 2010-02-11 17:18:51 +00:00
Anders Carlsson
5d40c6f658 Check in the beginnings of my new vtable layout builder idea. 
Right now, it's off by default but can be tested by passing -fdump-vtable-layouts to clang -cc1. This option will cause all vtables that will normally be emitted as part of codegen to also be dumped using the new layout code.

I've also added a very simple new vtable layout test case.

llvm-svn: 95865
 2010-02-11 08:02:13 +00:00
Chris Lattner
eb1e610d00 remove a big chunk of #if 0 code. 
llvm-svn: 95201
 2010-02-03 05:28:17 +00:00
Anders Carlsson
259688ce29 Move pointer to data member emission to CodeGenModule and use it in CGExprConstant. Fixes PR5674. 
llvm-svn: 95063
 2010-02-02 03:37:46 +00:00
Mike Stump
ded0a406b4 Refine the non-virtual this adjustments for thunks by using the offset 
to the declaring class from the nearest virtual base class.  WIP.

llvm-svn: 94606
 2010-01-26 22:44:01 +00:00
Mike Stump
a04ecfb701 Refine the non-virtual this adjustments for thunks by using the offset 
to the declaring class from the nearest virtual base class.  WIP.

This fixes 40% of all the problems remaining in one of my testcases.

llvm-svn: 94592
 2010-01-26 21:35:27 +00:00
Anders Carlsson
7228117108 Change getUnique to return a GlobalDecl. Fixes PR6147. 
llvm-svn: 94554
 2010-01-26 17:36:47 +00:00
Mike Stump
77537b136e Be sure to track the non-virtual part of the vcall offset in complex 
multiple inheritance cases.  WIP.

This fixes 20% of the outstanding problems found by the randomized
tester.

llvm-svn: 94499
 2010-01-26 03:42:22 +00:00
Mike Stump
90181eb294 Fixup a missing vcall entry. WIP. 
llvm-svn: 94478
 2010-01-26 00:05:04 +00:00
Mike Stump
1f49d65235 Finish off fixing up debug information. 
llvm-svn: 94193
 2010-01-22 18:48:47 +00:00
Mike Stump
9eb76d47f2 Ensure we output all non-virtual base vtables. Fixes PR5890. 
llvm-svn: 94163
 2010-01-22 06:45:05 +00:00
Mike Stump
d2808449e4 Update debugging code. 
llvm-svn: 94145
 2010-01-22 02:51:26 +00:00
Anders Carlsson
f768db7775 Move the VTT related code into its own file, CGVTT.cpp 
llvm-svn: 94079
 2010-01-21 16:50:45 +00:00
Anders Carlsson
07894e8a0e More VTT builder fixes. With these fixes we now correctly handle the very complex VTT example from the Itanium ABI spec. 
llvm-svn: 93725
 2010-01-18 17:13:59 +00:00
Anders Carlsson
3d1a09552c Move some common code into BuildVTT. 
llvm-svn: 93710
 2010-01-18 04:45:46 +00:00
Anders Carlsson
1af3df854f Fix a bunch of VTT layout bugs, add simple tests for VTT layout. 
llvm-svn: 93709
 2010-01-18 04:25:18 +00:00
Anders Carlsson
827b245fd6 Minor VTT builder cleanup, no functionality change. 
llvm-svn: 93696
 2010-01-17 23:53:20 +00:00
Anders Carlsson
42f1376f35 Get the ctor vtable address points directly from the VTT builder. 
llvm-svn: 93681
 2010-01-17 17:10:44 +00:00
Anders Carlsson
5f9a881e1e Store the address points for constructor vtables directly in the VTT builder, because that's the only time they're needed. 
llvm-svn: 93412
 2010-01-14 02:29:07 +00:00
Douglas Gregor
ccecc1bb43 Fix marking of virtual members for nested classes whose first non-pure virtual function has a body inlined in the class 
llvm-svn: 92855
 2010-01-06 20:27:16 +00:00
Daniel Dunbar
a671c2a9fe Fix (invalid) may-be-uninitialized warning. 
llvm-svn: 92828
 2010-01-06 07:13:04 +00:00
Douglas Gregor
d01472beee Revert my available_externally vtables experiment. It's breaking the LLVM-with-Clang build with linker errors that I have yet to investigate. 
llvm-svn: 92822
 2010-01-06 04:50:56 +00:00
Mike Stump
81478719a7 Reorder to avoid invalidating idx which is an accessor into VCall. 
llvm-svn: 92819
 2010-01-06 03:09:19 +00:00
Douglas Gregor
26751ffc53 Silence bogus GCC warning 
llvm-svn: 92787
 2010-01-05 21:55:26 +00:00
Douglas Gregor
1a68ab6c83 Make use of available_externally linkage for vtables when the 
non-inline key function of a class template instantiation, when no key
function is present, the class template instantiation itself was
instantiated with an explicit instantiation declaration (aka extern
template). I'm fairly certain that the C++0x specification gives us
this lattitude, although GCC doesn't take advantage of it.

llvm-svn: 92779
 2010-01-05 21:40:05 +00:00
Douglas Gregor
a318efd1f2 Improve key-function computation for templates. In particular: 
- All classes can have a key function; templates don't change that.
  non-template classes when computing the key function.
  - We always mark all of the virtual member functions of class
  template instantiations. 
  - The vtable for an instantiation of a class template has weak
  linkage. 

We could probably use available_externally linkage for vtables of
classes instantiated by explicit instantiation declarations (extern
templates), but GCC doesn't do this and I'm not 100% that the ABI
permits it.

llvm-svn: 92753
 2010-01-05 19:06:31 +00:00
Anders Carlsson
93a1884fde Move address points to CGVtableInfo, no functionality change. 
llvm-svn: 92420
 2010-01-02 18:02:32 +00:00
Anders Carlsson
e36a6b3e44 Correctly pass VTT parameters to constructors and destructors. The VTTs aren't yet used in the ctors/dtors, but that will follow. 
llvm-svn: 92409
 2010-01-02 01:01:18 +00:00
Anders Carlsson
27da15ba8e Move a few more functions away from CGCXX and to CGClass and CGExprCXX. 
llvm-svn: 92399
 2010-01-01 20:29:01 +00:00