Daniel Dunbar
2ba67440b6
IRgen: Add checking that the LLVM and AST record layout offsets agree (for
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non-bit-fields).
llvm-svn: 102014
2010-04-21 19:10:49 +00:00
Daniel Dunbar
20b551a443
IRgen: Always use i8 arrays to access union bit-fields. This is ugly, but
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matches how we currently handle structs, and this correctly handles
-fno-bitfield-type-align.
llvm-svn: 101918
2010-04-20 17:52:30 +00:00
Daniel Dunbar
ccabe48235
AST: Dump ASTRecordLayout objects when they are created with -fdump-record-layouts.
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llvm-svn: 101815
2010-04-19 20:44:53 +00:00
Daniel Dunbar
2ea5183b59
IRgen: Kill unused function and move the type match assert to after record dumping.
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llvm-svn: 101814
2010-04-19 20:44:47 +00:00
Anders Carlsson
d5f27b0583
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.
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llvm-svn: 101681
2010-04-17 22:54:57 +00:00
Anders Carlsson
2295f13bb0
Unnamed bit-fields in a union should be laid out with a type that doesn't affect alignment.
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llvm-svn: 101673
2010-04-17 21:04:52 +00:00
Anders Carlsson
1de2f5710b
Factor union field layout code out into a separate function. No functionality change.
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llvm-svn: 101671
2010-04-17 20:49:27 +00:00
Anders Carlsson
11e5140db9
Vtable -> VTable renames across the board.
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llvm-svn: 101666
2010-04-17 20:15:18 +00:00
Anders Carlsson
be6f3181dd
Make CGRecordLayoutBuilder deal with wide bit-fields. Will land tests shortly (Daniel, please review).
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llvm-svn: 101472
2010-04-16 16:23:02 +00:00
Daniel Dunbar
9c78d63fbc
IRgen: Change CGBitFieldInfo to take the AccessInfo as constructor arguments, it is now an immutable object.
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Also, add some checking of various invariants that should hold on the CGBitFieldInfo access.
llvm-svn: 101345
2010-04-15 05:09:32 +00:00
Daniel Dunbar
bb13845c5f
IRgen: Eliminate now unused fields from CGBitFieldInfo.
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llvm-svn: 101344
2010-04-15 05:09:28 +00:00
Daniel Dunbar
b935b9370d
IRgen: Enhance CGBitFieldInfo with enough information to fully describe the "policy" with which a bit-field should be accessed.
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- 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.
llvm-svn: 101178
2010-04-13 20:58:55 +00:00
Daniel Dunbar
f9c24f8403
IRgen: Factor out ComputeBitFieldInfo.
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llvm-svn: 101066
2010-04-12 21:01:28 +00:00
Daniel Dunbar
b97bff9aa9
IRgen: Add CGRecordLayout::dump, and dump (irgen) record layouts as part of -fdump-record-layouts.
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llvm-svn: 101051
2010-04-12 18:14:18 +00:00
Daniel Dunbar
c75c8bd757
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.
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llvm-svn: 100745
2010-04-08 02:59:45 +00:00
Daniel Dunbar
196ea449ed
IRgen: Move BitFieldIsSigned bit into CGBitFieldInfo.
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llvm-svn: 100513
2010-04-06 01:07:44 +00:00
Daniel Dunbar
d45491077a
Simplify.
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llvm-svn: 100512
2010-04-06 01:07:41 +00:00
Daniel Dunbar
cd3d5e76ce
IRgen: Lift BitFieldInfo to CGBitFieldInfo at namespace level.
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llvm-svn: 100433
2010-04-05 16:20:44 +00:00
Daniel Dunbar
034299ef25
IRGen: Move the auxiliary data structures tracking AST -> LLVM mappings out of CodeGenTypes, to per-record CGRecordLayout structures.
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- I did a cursory check that this was perf neutral, FWIW.
llvm-svn: 99978
2010-03-31 01:09:11 +00:00
Daniel Dunbar
e75a64f2d3
CGRecordLayoutBuilder: Switch unions to use same mechanism for tracking field and bit-field info as structs.
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- Anders, please check.
llvm-svn: 99977
2010-03-31 00:55:13 +00:00
Daniel Dunbar
23ee4b7710
IRGen: Hide CGRecordLayoutBuilder class, because I can.
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llvm-svn: 99967
2010-03-31 00:11:27 +00:00
Daniel Dunbar
072d0bb247
IRgen: Move CGRecordLayout to its own happy little file.
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llvm-svn: 99945
2010-03-30 22:26:10 +00:00
Anders Carlsson
e8bfe412ec
Improve handling of emitting 'null' pointers to data members.
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llvm-svn: 95066
2010-02-02 05:17:25 +00:00
Anders Carlsson
b1ef991097
Fix an incorrect union layout assert. Fixes PR6164.
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llvm-svn: 94754
2010-01-28 18:22:03 +00:00
Anders Carlsson
d681a29ac0
Baby steps towards fixing PR5589. If a class needs a vtable pointer, add one.
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llvm-svn: 91545
2009-12-16 17:27:20 +00:00
Anders Carlsson
220bf4fc5a
No need to add tail padding if the resulting LLVM struct type will have the same size as the final record size.
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llvm-svn: 90820
2009-12-08 01:24:23 +00:00
Anders Carlsson
b1d3f7c909
Have ASTRecordLayout keep track of the key function, in preparation of fixing a synthetic ctor/dtor bug.
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llvm-svn: 90168
2009-11-30 23:41:22 +00:00
Mike Stump
a7a1b7e780
Fixup key function calculations.
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llvm-svn: 89412
2009-11-20 00:02:19 +00:00
Mike Stump
beab381d2d
This doesn't work yet.
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llvm-svn: 89307
2009-11-19 03:53:54 +00:00
Fariborz Jahanian
e8e631c912
Prevent a code gen. crash on empty unions - pr5408.
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llvm-svn: 86287
2009-11-06 20:47:40 +00:00
Anders Carlsson
1d116976b4
Store the key function of a record decl inside CGRecordLayout.
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llvm-svn: 83900
2009-10-12 21:16:22 +00:00
Mike Stump
11289f4280
Remove tabs, and whitespace cleanups.
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llvm-svn: 81346
2009-09-09 15:08:12 +00:00
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>.
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llvm-svn: 80964
2009-09-03 22:56:02 +00:00
Anders Carlsson
09a3774cd3
Packed unions should be packed. Fixes an assert Daniel reported.
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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.
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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.
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llvm-svn: 79799
2009-08-23 01:01:04 +00:00
Owen Anderson
41a750271b
Update for LLVM API change.
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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.
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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)).
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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.
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llvm-svn: 78481
2009-08-08 18:01:57 +00:00
Owen Anderson
758428f4e3
Update for LLVM API change.
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llvm-svn: 78259
2009-08-05 23:18:46 +00:00
Anders Carlsson
19702bb054
Simplify alignment handling in the record builder.
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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
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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.
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llvm-svn: 77335
2009-07-28 17:56:36 +00:00
Fariborz Jahanian
7b2b1ec6b1
Some minor changes toward support of data
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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.
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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.
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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).
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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.
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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.
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llvm-svn: 76907
2009-07-23 22:52:34 +00:00