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176 Commits

Author SHA1 Message Date
Anders Carlsson 0e91275ab4 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>. 
llvm-svn: 80964
 2009-09-03 22:56:02 +00:00
Anders Carlsson 09a3774cd3 Packed unions should be packed. Fixes an assert Daniel reported. 
llvm-svn: 80808
 2009-09-02 17:51:33 +00:00
Anders Carlsson d606de72ab More work towards zero-initializing structs that contain member pointers in constant expressions. 
llvm-svn: 79805
 2009-08-23 01:25:01 +00:00
Anders Carlsson beac2bef4d Remove the PaddingFields member from CGRecordLayout, it wasn't used anyway. 
llvm-svn: 79799
 2009-08-23 01:01:04 +00:00
Owen Anderson 41a750271b Update for LLVM API change. 
llvm-svn: 78946
 2009-08-13 21:57:51 +00:00
Anders Carlsson 28a5fa29f3 Take #pragma pack into account when laying out structs. Fixes rdar://problem/7095436. 
llvm-svn: 78490
 2009-08-08 19:38:24 +00:00
Anders Carlsson 68e0b68289 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.

llvm-svn: 78483
 2009-08-08 18:23:56 +00:00
Anders Carlsson 453878bed4 Assert that the LLVM type has the same size as the RecordDecl size. 
llvm-svn: 78481
 2009-08-08 18:01:57 +00:00
Owen Anderson 758428f4e3 Update for LLVM API change. 
llvm-svn: 78259
 2009-08-05 23:18:46 +00:00
Anders Carlsson 19702bb054 Simplify alignment handling in the record builder. 
llvm-svn: 78069
 2009-08-04 16:29:15 +00:00
Fariborz Jahanian 7be1ad814b No longer need to keep base class offsets in the offset 
table as it has its own place now.

llvm-svn: 77491
 2009-07-29 18:50:06 +00:00
Anders Carlsson d5d6413aa5 More CGRecordLayoutBuilder cleanup. 
llvm-svn: 77335
 2009-07-28 17:56:36 +00:00
Fariborz Jahanian 7b2b1ec6b1 Some minor changes toward support of data 
member access in the presense of non-virtual bases.

llvm-svn: 77246
 2009-07-27 20:57:45 +00:00
Anders Carlsson 72fb384a65 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. 
llvm-svn: 77190
 2009-07-27 15:31:55 +00:00
Anders Carlsson b97a3ec4e7 Fix a tail padding bug in the record layout builder code. The bug was found by an existing test. 
llvm-svn: 77189
 2009-07-27 14:55:54 +00:00
Anders Carlsson e1d5ca583f Check in a half finished new constant struct builder (Obviously not used yet). 
llvm-svn: 76969
 2009-07-24 15:20:52 +00:00
Anders Carlsson 6e853bf2b7 Get rid of the size parameter to AppendField. No functionality change. 
llvm-svn: 76931
 2009-07-24 02:45:50 +00:00
Anders Carlsson 085395426c Don't just store the field/bit field info one field, do it for all fields in the union. 
llvm-svn: 76907
 2009-07-23 22:52:34 +00:00
Anders Carlsson e2accf4404 Fix another thinko. 
llvm-svn: 76903
 2009-07-23 21:52:03 +00:00
Anders Carlsson 516e5e7835 Correct a thinko in bitfield layout code. Fixes PR4611. 
llvm-svn: 76898
 2009-07-23 21:16:33 +00:00
Anders Carlsson d78fc89fcb We don't need to keep track of the packed alignment, just whether the struct is packed or not. Fixes PR4610. 
llvm-svn: 76884
 2009-07-23 17:24:40 +00:00
Anders Carlsson 8af896c10a Move the LLVM field number for bit fields into the BitFieldInfo structure, since it's meaning is completely different than for non-bit fields. 
llvm-svn: 76882
 2009-07-23 17:01:21 +00:00
Anders Carlsson f55922b8b8 Set field info for unions. 
llvm-svn: 76856
 2009-07-23 04:59:05 +00:00
Anders Carlsson f814ee6003 Handle zero width bit fields in unions correctly (by ignoring them). 
llvm-svn: 76847
 2009-07-23 04:00:39 +00:00
Anders Carlsson 697f65943d Implement union layout support. 
llvm-svn: 76846
 2009-07-23 03:43:54 +00:00
Anders Carlsson 307846fe67 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 :) 
llvm-svn: 76845
 2009-07-23 03:17:50 +00:00