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194 Commits

Author SHA1 Message Date
Ken Dyck dac54c124e Convert RecordLayout::Alignment to CharUnits from bit units. No change in 
functionality intended. 


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125549 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 02:32:40 +00:00
Ken Dyck dd76a9ab9e Add a helper function, ASTContext::toBits(), that converts sizes in 
CharUnits to sizes in bits, and use it to tidy up the places where the
conversion was done explicitly.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125332 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-11 01:54:29 +00:00
Ken Dyck 9186ff310c Drop the 'InBits' part from the name of RecordSizeInBits as the value is in 
character units.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125281 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-10 12:36:29 +00:00
Ken Dyck 7198e94d55 Eliminate some signed-to-unsigned comparision warnings introduced in 
r125156.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125280 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-10 12:20:05 +00:00
Ken Dyck 5f022d8269 Convert RecordLayout::Size to CharUnits from bits. No changes to 
functionality intended.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125156 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-09 01:59:34 +00:00
Ken Dyck 68cf1a5a01 Convert RecordLayout::NonVirtualAlign to CharUnits. No change in 
functionality intended.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125069 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-08 02:02:47 +00:00
Ken Dyck 5c3633fa57 Convert RecordLayout::NonVirtualSize from bit units to CharUnits. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124646 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-01 01:52:10 +00:00
Argyrios Kyrtzidis db2b42fb4d Fix another obscure corner layout case. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121436 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 00:11:00 +00:00
Anders Carlsson 860453c4b4 Add a LayoutBase member function. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120924 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-04 23:59:48 +00:00
Anders Carlsson 57d2d236d2 Replace calls to AppendBytes with calls to AppendPadding when the bytes appended are padding. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120922 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-04 23:53:18 +00:00
John McCall d0de0ce304 CGRecordLayoutBuilder does not need to be exported from this module. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120489 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 23:17:27 +00:00
Anders Carlsson fc86d55b6b Don't store the maximum alignment, we can trivially compute it. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120268 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-28 23:06:23 +00:00
Anders Carlsson 1d7dc22407 More work on laying out virtual bases. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120257 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-28 19:18:44 +00:00
Anders Carlsson 8f2c6899dd Begin work on actually laying out virtual bases. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120140 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-25 01:59:35 +00:00
Anders Carlsson c9e814ba19 Rename RecordLayout::getPrimaryBaseWasVirtual to isPrimaryBaseVirtual. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 23:12:57 +00:00
Anders Carlsson 46170f9c7d Add CXXRecordDecl::getIndirectPrimaryBases. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120129 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 22:50:27 +00:00
Anders Carlsson 3379e9bd71 Simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 19:57:04 +00:00
Anders Carlsson ba2c2eec87 CGRecordLayout types are always struct types. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 19:37:16 +00:00
Anders Carlsson a03613d6e3 Remove FIXME; we don't ever want to lay out empty bases. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119957 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 00:03:08 +00:00
Anders Carlsson 9a5a3f2f3b Rename BaseLLVMType to NonVirtualBaseLLVMType. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119956 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 23:59:45 +00:00
Anders Carlsson f4a15b0df4 Add getCGRecordLayout helper function. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119955 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 23:56:06 +00:00
Nick Lewycky cb0511cc29 Remove debugging printf. 
Fix linux build.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118497 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 09:53:02 +00:00
Anders Carlsson 3d155e683a Introduce the concept of a non-virtual base type to CGRecordLayoutBuilder as a first step towards fixing PR6995. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118491 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 05:25:47 +00:00
Anders Carlsson a14f597957 Rename getBaseClassOffset to getBaseClassOffsetInBits and introduce a getBaseClassOffset which returns the offset in CharUnits. Do the same thing for getVBaseClassOffset. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117881 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 23:22:37 +00:00
Daniel Dunbar e7a80bd66a IRgen: Move CGBitFieldInfo strategy computation helpers to static member 
functions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112913 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 23:53:28 +00:00
John McCall f16aa103d3 Go back to asking CodeGenTypes whether a type is zero-initializable. 
Make CGT defer to the ABI on all member pointer types.
This requires giving CGT a handle to the ABI.
It's way easier to make that work if we avoid lazily creating the ABI.
Make it so.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111786 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-22 21:01:12 +00:00
Daniel Dunbar 8a2c92cab2 AST: Rename PragmaPackAttr to MaxFieldAlignmentAttr, which is more accurate. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104795 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-27 01:12:46 +00:00
Anders Carlsson a83fb4bf81 Correctly initialize bases with member pointers. This should fix PR6441 but that test case is a bit weird and I'd like to investigate further before closing that bug. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104025 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 16:51:41 +00:00
Anders Carlsson c6772ce9c8 Keep track of the LLVM field numbers for non-virtual bases. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104013 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 05:22:06 +00:00
Anders Carlsson 15ddfdc5d8 Start laying out bases as individual fields. We still use ugly i8 arrays but this is a step in the right direction. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104012 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 05:12:20 +00:00
Anders Carlsson 68e3013ade Use a more appropriate LLVM type for the vtable pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103078 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-05 05:47:36 +00:00
Daniel Dunbar 52968a1c76 IRgen: Fix another case where we generated an invalid access component when we 
immediately narrowed the access size. Fix this (and previous case) by just
choosing a better access size up-front.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102068 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 15:22:33 +00:00
Daniel Dunbar 4651efb5ba IRgen: Fix case where we might generate an access component with width == 0, if 
we have to narrow the access side immediately (can happen with packed,
-fno-bitfield-type-align).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102067 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 14:56:10 +00:00
Daniel Dunbar 89da874f8e IRgen: Set alignment correctly on bit-field accesses. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102046 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 03:17:04 +00:00
Daniel Dunbar e1467a4cee IRgen: Rewrite bit-field access policy to not access data beyond the bounds of the structure, which we also now verify as part of the post-layout consistency checks. 
- This fixes some pedantic bugs with packed structures, as well as major problems with -fno-bitfield-type-align.

 - Fixes PR5591, PR5567, and all known -fno-bitfield-type-align issues.

 - Review appreciated.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102045 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 02:35:46 +00:00
Daniel Dunbar ad759530ff IRgen: Fix CGRecordLayout::print to print the bit-field infos in a consistent order. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102044 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 02:35:36 +00:00
Daniel Dunbar 3b2ae7ae59 IRgen: Add checking that the LLVM and AST record layout offsets agree (for 
non-bit-fields).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102014 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 19:10:49 +00:00
Daniel Dunbar 8ab78a7d9d IRgen: Always use i8 arrays to access union bit-fields. This is ugly, but 
matches how we currently handle structs, and this correctly handles
-fno-bitfield-type-align.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101918 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 17:52:30 +00:00
Daniel Dunbar 8d8ab749f6 AST: Dump ASTRecordLayout objects when they are created with -fdump-record-layouts. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 20:44:53 +00:00
Daniel Dunbar 2e7b7c2f26 IRgen: Kill unused function and move the type match assert to after record dumping. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101814 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 20:44:47 +00:00
Anders Carlsson 6ba38151f7 Simplify wide bit-field layout in CGRecordLayoutBuilder, and also fix a bug where assigning to a bit-field member would overwrite other parts of the struct. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101681 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 22:54:57 +00:00
Anders Carlsson d62328e6a0 Unnamed bit-fields in a union should be laid out with a type that doesn't affect alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101673 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 21:04:52 +00:00
Anders Carlsson 86664465ba Factor union field layout code out into a separate function. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101671 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 20:49:27 +00:00
Anders Carlsson 046c294a43 Vtable -> VTable renames across the board. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101666 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 20:15:18 +00:00
Anders Carlsson 1c7658fd32 Make CGRecordLayoutBuilder deal with wide bit-fields. Will land tests shortly (Daniel, please review). 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101472 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 16:23:02 +00:00
Daniel Dunbar 2df2569679 IRgen: Change CGBitFieldInfo to take the AccessInfo as constructor arguments, it is now an immutable object. 
Also, add some checking of various invariants that should hold on the CGBitFieldInfo access.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 05:09:32 +00:00
Daniel Dunbar 7fb6195004 IRgen: Eliminate now unused fields from CGBitFieldInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 05:09:28 +00:00
Daniel Dunbar ab970f90ce IRgen: Enhance CGBitFieldInfo with enough information to fully describe the "policy" with which a bit-field should be accessed. 
- For now, these policies are computed to match the current IRgen strategy, although the new information isn't being used yet (except in -fdump-record-layouts).

 - Design comments appreciated.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 20:58:55 +00:00
Daniel Dunbar 9b28daf9b6 IRgen: Factor out ComputeBitFieldInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101066 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-12 21:01:28 +00:00
Daniel Dunbar 93c62967d4 IRgen: Add CGRecordLayout::dump, and dump (irgen) record layouts as part of -fdump-record-layouts. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101051 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-12 18:14:18 +00:00
Daniel Dunbar 7f2896406c IRgen: Move the bit-field access type into CGBitFieldInfo, and change bit-field LValues to just store the base address of object containing the bit-field. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 02:59:45 +00:00
Daniel Dunbar efbf487da8 IRgen: Move BitFieldIsSigned bit into CGBitFieldInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100513 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 01:07:44 +00:00
Daniel Dunbar c7a984af71 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100512 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 01:07:41 +00:00
Daniel Dunbar 2eec0b2e3e IRgen: Lift BitFieldInfo to CGBitFieldInfo at namespace level. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 16:20:44 +00:00
Daniel Dunbar 198bcb44b6 IRGen: Move the auxiliary data structures tracking AST -> LLVM mappings out of CodeGenTypes, to per-record CGRecordLayout structures. 
- I did a cursory check that this was perf neutral, FWIW.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99978 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-31 01:09:11 +00:00
Daniel Dunbar 490fc90271 CGRecordLayoutBuilder: Switch unions to use same mechanism for tracking field and bit-field info as structs. 
- Anders, please check.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-31 00:55:13 +00:00
Daniel Dunbar 270e203b50 IRGen: Hide CGRecordLayoutBuilder class, because I can. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99967 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-31 00:11:27 +00:00
Daniel Dunbar 2924ade97e IRgen: Move CGRecordLayout to its own happy little file. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99945 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 22:26:10 +00:00
Anders Carlsson 2c12d0319a Improve handling of emitting 'null' pointers to data members. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95066 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 05:17:25 +00:00
Anders Carlsson 21fd7d7347 Fix an incorrect union layout assert. Fixes PR6164. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 18:22:03 +00:00
Anders Carlsson 4b3e5be334 Baby steps towards fixing PR5589. If a class needs a vtable pointer, add one. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-16 17:27:20 +00:00
Anders Carlsson c2456824a1 No need to add tail padding if the resulting LLVM struct type will have the same size as the final record size. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90820 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 01:24:23 +00:00
Anders Carlsson 1a5e0d7f18 Have ASTRecordLayout keep track of the key function, in preparation of fixing a synthetic ctor/dtor bug. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90168 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 23:41:22 +00:00
Mike Stump a84b4044b7 Fixup key function calculations. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89412 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 00:02:19 +00:00
Mike Stump 88bd0094d8 This doesn't work yet. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89307 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 03:53:54 +00:00
Fariborz Jahanian e504170f68 Prevent a code gen. crash on empty unions - pr5408. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86287 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-06 20:47:40 +00:00
Anders Carlsson 5017a157c6 Store the key function of a record decl inside CGRecordLayout. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83900 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 21:16:22 +00:00
Mike Stump 1eb4433ac4 Remove tabs, and whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81346 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-09 15:08:12 +00:00
Anders Carlsson 366200045f If the alignment of the chosen field in a union is greater than the alignment of the union, we need to use a packed LLVM struct. Fixes <rdar://problem/7184250>. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80964 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-03 22:56:02 +00:00
Anders Carlsson d0eb3b93e8 Packed unions should be packed. Fixes an assert Daniel reported. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80808 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-02 17:51:33 +00:00
Anders Carlsson fc3eaa47fa More work towards zero-initializing structs that contain member pointers in constant expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79805 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-23 01:25:01 +00:00
Anders Carlsson 341bdf8d56 Remove the PaddingFields member from CGRecordLayout, it wasn't used anyway. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79799 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-23 01:01:04 +00:00
Owen Anderson 0032b2781b Update for LLVM API change. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78946 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 21:57:51 +00:00
Anders Carlsson a5dd722bdf Take #pragma pack into account when laying out structs. Fixes rdar://problem/7095436. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-08 19:38:24 +00:00
Anders Carlsson a860e755f1 Introduce a new PragmaPack attribute, and use it for #pragma pack. The PackedAttr now only represents __attribute__((packed)). 
This is necessary because #pragma pack and __attribute__((packed)) have different semantics. No functionality change yet, but this lays the groundwork for fixing a record layout bug.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78483 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-08 18:23:56 +00:00
Anders Carlsson df31e09112 Assert that the LLVM type has the same size as the RecordDecl size. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78481 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-08 18:01:57 +00:00
Owen Anderson 47a434ff3d Update for LLVM API change. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78259 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 23:18:46 +00:00
Anders Carlsson de9f2c937a Simplify alignment handling in the record builder. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78069 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 16:29:15 +00:00
Fariborz Jahanian 8a8a629844 No longer need to keep base class offsets in the offset 
table as it has its own place now.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77491 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 18:50:06 +00:00
Anders Carlsson c2cc1d5e29 More CGRecordLayoutBuilder cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77335 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 17:56:36 +00:00
Fariborz Jahanian cad8665394 Some minor changes toward support of data 
member access in the presense of non-virtual bases.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77246 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-27 20:57:45 +00:00
Anders Carlsson abdad358b5 Enable the new struct type builder now that the constant struct builder works. (The old code will still be there until we know that everything works well. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77190 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-27 15:31:55 +00:00
Anders Carlsson c1efe36ca7 Fix a tail padding bug in the record layout builder code. The bug was found by an existing test. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77189 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-27 14:55:54 +00:00
Anders Carlsson 4c98efdf06 Check in a half finished new constant struct builder (Obviously not used yet). 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76969 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 15:20:52 +00:00
Anders Carlsson 728d7cd2e2 Get rid of the size parameter to AppendField. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76931 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 02:45:50 +00:00
Anders Carlsson 94ae95f17e Don't just store the field/bit field info one field, do it for all fields in the union. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76907 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 22:52:34 +00:00
Anders Carlsson 177d4d8700 Fix another thinko. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76903 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 21:52:03 +00:00
Anders Carlsson faaec2234f Correct a thinko in bitfield layout code. Fixes PR4611. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76898 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 21:16:33 +00:00
Anders Carlsson 4b5584b38b We don't need to keep track of the packed alignment, just whether the struct is packed or not. Fixes PR4610. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76884 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 17:24:40 +00:00
Anders Carlsson 8330ceeebb Move the LLVM field number for bit fields into the BitFieldInfo structure, since it's meaning is completely different than for non-bit fields. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76882 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 17:01:21 +00:00
Anders Carlsson cfc6758b5f Set field info for unions. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76856 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 04:59:05 +00:00
Anders Carlsson 2cc8f1740d Handle zero width bit fields in unions correctly (by ignoring them). 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76847 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 04:00:39 +00:00
Anders Carlsson 5a6e398eaf Implement union layout support. 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76846 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 03:43:54 +00:00
Anders Carlsson 45372a6fdc Check in CGRecordLayoutBuilder which is a reimplementation of the record layout code. (Yay, no more packed structs unless absolutely necessary). We currently don't use the layouts being built but that will change when the new code is mature enough :) 
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76845 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 03:17:50 +00:00