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24 Commits

Author SHA1 Message Date
Anders Carlsson d2025417ef Fix another vtable layout bug; we weren't looking hard enough for overriden functions when determining if an overrider will ever be used. 
llvm-svn: 97306
 2010-02-27 06:38:03 +00:00
Anders Carlsson d69b2f93ea Handle vcall offset sharing between destructors. 
llvm-svn: 97304
 2010-02-27 04:12:52 +00:00
Anders Carlsson b08aaa3e10 Fix a bug where we were generating an unnecessary vtable for a virtual base that's already a primary virtual base. 
llvm-svn: 97303
 2010-02-27 04:05:52 +00:00
Anders Carlsson ed7d0e8be8 Fux a bug where we were trying to add overriders for non-virtual bases of virtual bases more than once. 
llvm-svn: 97173
 2010-02-25 22:18:35 +00:00
Anders Carlsson 0570f71255 More fixes. Don't try to emit a virtual base vtable if the virtual base in question is a primary virtual base of some other base. 
llvm-svn: 96881
 2010-02-23 03:48:14 +00:00
Anders Carlsson bae46277fe Always emit vcall offset for the primary base, not only if it's virtual. Remove a debug printf, and add the test case that now passes. 
llvm-svn: 96880
 2010-02-23 03:26:17 +00:00
Anders Carlsson 13f0f66223 Handle layout of vtables for virtual bases. 
llvm-svn: 96355
 2010-02-16 16:49:35 +00:00
Anders Carlsson 14157939ab Fix a bug where we would not emit secondary vtables for bases of a primary base. 
llvm-svn: 96351
 2010-02-16 16:02:57 +00:00
Anders Carlsson 77904f1d5b Emit vbase offsets. 
llvm-svn: 96329
 2010-02-16 04:59:55 +00:00
Anders Carlsson 033d48697f Don't compute final overriders or build vtables for bases that don't need a vtable. 
llvm-svn: 96171
 2010-02-14 17:05:59 +00:00
Anders Carlsson 258a1e35e8 Improve support for non-virtual 'this' pointer adjustments. With this, it should be possible to use the new vtable layout code for all class hierarchies that do not involve virtual bases. 
llvm-svn: 96137
 2010-02-14 00:16:19 +00:00
Anders Carlsson d3adb0ced9 Add basic support for simple non-virtual 'this' pointer adjustments. 
llvm-svn: 96136
 2010-02-13 23:40:17 +00:00
Anders Carlsson e75aaa97b3 Start laying out secondary vtables. 
llvm-svn: 96123
 2010-02-13 22:05:23 +00:00
Anders Carlsson c1290adab7 Don't make return adjustments for pure virtual member functions. 
llvm-svn: 96120
 2010-02-13 21:16:54 +00:00
Anders Carlsson cf5a882da1 Handle virtual bases in return adjustment types. 
llvm-svn: 96119
 2010-02-13 21:07:32 +00:00
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
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 48ea217fbf Add virtual operator= example. 
llvm-svn: 95888
 2010-02-11 18:21:49 +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