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148 Commits

Author SHA1 Message Date
Argyrios Kyrtzidis 3c6cd17c8a Use a smart pointer instead of delete. 
llvm-svn: 112005
 2010-08-25 00:32:14 +00:00
Chandler Carruth 76c0cb493f Add a virtual destructor to the base of another class hierarchy with virtual 
methods.

llvm-svn: 111804
 2010-08-23 08:37:21 +00:00
Charles Davis 6bcb07ad71 Add some enum goodness as requested by Chris. Now instead of storing the 
active C++ ABI as a raw string, we store it as an enum. This should improve
performance somewhat.

And yes, this time, I started from a clean build directory, and
all the tests passed. :)

llvm-svn: 111507
 2010-08-19 02:18:14 +00:00
John McCall 1ed0182413 Restore the build 
llvm-svn: 111498
 2010-08-19 01:21:57 +00:00
Charles Davis c2c576a9e7 Add a special RecordLayoutBuilder for the Microsoft C++ ABI. 
All it does right now is add space for two vtable pointers instead of one
when a class has both virtual methods and virtual bases. This is a requirement
of the Microsoft ABI, since it has separate vtables for methods and bases. Other
stuff will come up over time, but we'll cross those bridges when we get to
them.

llvm-svn: 111493
 2010-08-19 00:55:19 +00:00
Alexis Hunt dcfba7b35b Generate Attr subclasses with TableGen. 
Now all classes derived from Attr are generated from TableGen.
Additionally, Attr* is no longer its own linked list; SmallVectors or
Attr* are used. The accompanying LLVM commit contains the updates to
TableGen necessary for this.

Some other notes about newly-generated attribute classes:

 - The constructor arguments are a SourceLocation and a Context&,
   followed by the attributes arguments in the order that they were
   defined in Attr.td

 - Every argument in Attr.td has an appropriate accessor named getFoo,
   and there are sometimes a few extra ones (such as to get the length
   of a variadic argument).

Additionally, specific_attr_iterator has been introduced, which will
iterate over an AttrVec, but only over attributes of a certain type. It
can be accessed through either Decl::specific_attr_begin/end or
the global functions of the same name.

llvm-svn: 111455
 2010-08-18 23:23:40 +00:00
Daniel Dunbar 56df97761d StringRef'ication of lots stuff, patch by Peter Davies! 
llvm-svn: 111314
 2010-08-17 22:39:59 +00:00
Argyrios Kyrtzidis 499e6e49e7 Remove ATTRIBUTE_UNUSED from the common pattern of disallowing copying. 
llvm-svn: 111101
 2010-08-15 10:17:39 +00:00
Argyrios Kyrtzidis 0a33cb62a6 Add ATTRIBUTE_UNUSED to methods not supposed to be used. 
llvm-svn: 111087
 2010-08-15 01:15:27 +00:00
Daniel Dunbar f35e76552f Sema: Fix a subtle i64 -> i32 truncation which broke layout of large structures 
with bit-fields.

llvm-svn: 107185
 2010-06-29 18:34:35 +00:00
Jeffrey Yasskin bb219e01a6 Delete assert in ComputeKeyFunction. The function runs fine without it, since 
there's an explicit guard on isPolymorphic, and virtual bases don't affect the
key function calculation.  This allows people to call
ASTContext::getKeyFunction on arbitrary classes.

llvm-svn: 107143
 2010-06-29 15:27:35 +00:00
Anders Carlsson cc59cc5d80 Do the same short-circuit optimization when laying out bases. 
llvm-svn: 105920
 2010-06-13 18:00:18 +00:00
Anders Carlsson ae111dc821 Implement part of the EmptySubobjectMap optimization described in PR6998. We still need to do this for bases. 
llvm-svn: 105919
 2010-06-13 17:49:16 +00:00
Anders Carlsson 446872069f Correctly handle fields with virtual bases containing empty subobjects. 
llvm-svn: 105628
 2010-06-08 19:09:24 +00:00
Anders Carlsson 45c1d2898e When checking whether we can place a base subobject at an offset, we don't need to go past the highest offset that's known to contain an empty base subobject. 
llvm-svn: 105611
 2010-06-08 16:20:35 +00:00
Anders Carlsson cc5de097a6 Minor cleanups to the empty subobject map. 
llvm-svn: 105608
 2010-06-08 15:56:03 +00:00
Anders Carlsson 7498b32117 And now for the best part: Removing the old code. 
llvm-svn: 105162
 2010-05-30 06:56:46 +00:00
Anders Carlsson b1fcdd063c Turn on the new empty base subobject tracking code. It's a bit faster than the previous code. However, it still has quadratic performance, something which I intend to fix shortly in a subsequent patch. 
llvm-svn: 105161
 2010-05-30 06:52:33 +00:00
Anders Carlsson a7774a685d Cleanup. 
llvm-svn: 105114
 2010-05-29 21:10:24 +00:00
Anders Carlsson a60b86a3fa Make EmptySubobjectMap::CanPlaceBaseAtOffset take a BaseSubobjectInfo as well. 
llvm-svn: 105113
 2010-05-29 20:49:49 +00:00
Anders Carlsson d7f3fcf248 Change RecordLayoutBuilder::LayoutBase to take a BaseSubobjectInfo. No functionality change. 
llvm-svn: 105112
 2010-05-29 20:47:33 +00:00
Anders Carlsson 6b0d914ad0 Rework the way virtual primary bases are added when laying out classes. Instead of doing it as a separate step, we now use the BaseSubobjectInfo and use it when laying out the bases. This fixes a bug where we would either not add a primary virtual base at all, or add it at the wrong offset. 
llvm-svn: 105110
 2010-05-29 19:44:50 +00:00
Anders Carlsson d6ff5d7787 Change LayoutVirtualBase to also take a BaseSubobjectInfo. 
llvm-svn: 105104
 2010-05-29 17:48:36 +00:00
Anders Carlsson bb0e6787b0 Change RecordLayoutBuilder::LayoutNonVirtualBase to take a BaseSubobjectInfo. No functionality change. 
llvm-svn: 105103
 2010-05-29 17:42:25 +00:00
Anders Carlsson e3c24c7033 Move computing the base subobject info for a class into the RecordLayoutBuilder because we're going to need it to be able to correctly add offsets for primary virtual bases. 
llvm-svn: 105102
 2010-05-29 17:35:14 +00:00
Anders Carlsson a7f3cdb0f2 Rename BaseInfo to BaseSubobjectInfo. 
llvm-svn: 105007
 2010-05-28 21:24:37 +00:00
Anders Carlsson 056818f8a2 Move BaseInfo outside of the EmptySubobject class. 
llvm-svn: 105002
 2010-05-28 21:13:31 +00:00
Anders Carlsson db319761e7 More work on the empty subobject map. This code is not yet used. 
llvm-svn: 104861
 2010-05-27 18:20:57 +00:00
Daniel Dunbar 6da1098b4b Sema: Add initial support for '#pragma options align=mac68k'. 
- Docs are fairly sketchy, if someone wants to pore through gcc to look for
   holes I'd appreciate any failing test cases!

llvm-svn: 104809
 2010-05-27 05:45:51 +00:00
Anders Carlsson 439edd1aea More work on the new empty subobject map. 
llvm-svn: 104808
 2010-05-27 05:41:06 +00:00
Daniel Dunbar 592a85c137 Strip trailing whitespace. 
llvm-svn: 104801
 2010-05-27 02:25:46 +00:00
Daniel Dunbar 401304462a AST: Rename PragmaPackAttr to MaxFieldAlignmentAttr, which is more accurate. 
llvm-svn: 104795
 2010-05-27 01:12:46 +00:00
Anders Carlsson c121b4e59f More work on the empty subobjects map. 
llvm-svn: 104787
 2010-05-27 00:07:01 +00:00
Anders Carlsson c5ca1f7799 Move ComputeEmptySubobjectSizes to EmptySubobjectMap. 
llvm-svn: 104702
 2010-05-26 15:54:25 +00:00
Anders Carlsson f58de11b61 Stub out the EmptySubobjectsMap class. 
llvm-svn: 104701
 2010-05-26 15:32:58 +00:00
Anders Carlsson ce7f77729a Inline the RecordLayoutBuilder constructor. 
llvm-svn: 104700
 2010-05-26 15:20:08 +00:00
Anders Carlsson c28a6c9251 Add a Layout overload that takes a CXXRecordDecl. 
llvm-svn: 104695
 2010-05-26 15:10:00 +00:00
Benjamin Kramer c7656cdf83 Move RecordLayoutBuilder into an anonymous namespace. 
llvm-svn: 104693
 2010-05-26 09:58:31 +00:00
Anders Carlsson c222620adf Rename ASTRecordLayoutBuilder to RecordLayoutBuilder. 
llvm-svn: 104688
 2010-05-26 05:58:59 +00:00
Anders Carlsson 35a36eb78d Move the ASTRecordLayoutBuilder class declaration into the .cpp file. 
llvm-svn: 104686
 2010-05-26 05:41:04 +00:00
Anders Carlsson b48414f4cb Fix thinko and remove another unused function. 
llvm-svn: 104683
 2010-05-26 05:31:23 +00:00
Anders Carlsson 1d1e4cf04d Fix build. 
llvm-svn: 104682
 2010-05-26 05:25:15 +00:00
Anders Carlsson d20e7cd3c6 No need to use the PrimaryBaseInfo struct in the builder. 
llvm-svn: 104681
 2010-05-26 05:20:58 +00:00
Anders Carlsson 87209bb54b Remove FIXME. 
llvm-svn: 104674
 2010-05-26 05:11:02 +00:00
Anders Carlsson d295486012 Fold the other Layout overload into its sole call site. 
llvm-svn: 104673
 2010-05-26 05:10:47 +00:00
Anders Carlsson 6ed3a9a494 Fold the ASTRecordLayoutBuilder::ComputeLayout overload that takes an ObjCInterfaceDecl pointer into its only callsite. 
llvm-svn: 104672
 2010-05-26 05:04:25 +00:00
Anders Carlsson df291d8d8b Move the relevant ASTContext member functions that deal with ASTRecordLayoutBuilder into RecordLayoutBuilder.cpp. This matches the way we interact with other builder classes (CGRecordLayoutBuilder, VTableBuilder and VTTBuilder) and it also allows for making ASTRecordLayoutBuilder a private class without a header file. 
llvm-svn: 104671
 2010-05-26 04:56:53 +00:00
Anders Carlsson 5773205a8d When recording empty subobjects we should always look at the primary virtual base. 
llvm-svn: 104464
 2010-05-23 18:14:24 +00:00
Anders Carlsson 5f1a1704a2 Add an UpdateVBases parameter to UpdateEmptyClassOffsets. Not used just yet. 
llvm-svn: 103403
 2010-05-10 15:28:59 +00:00
Anders Carlsson d626cb74d1 More work on handling empty classes. 
llvm-svn: 103402
 2010-05-10 15:26:14 +00:00