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51 Commits

Author SHA1 Message Date
John McCall 5b26f65b3d Reset the lifetime-managed flag between emission of the agg conditional 
branches.  Fixes PR8623.

llvm-svn: 119408
 2010-11-17 00:07:33 +00:00
Fariborz Jahanian c123623d28 After discussion with Doug and John, I am reverting 
the patch. 

llvm-svn: 117159
 2010-10-22 22:05:03 +00:00
Fariborz Jahanian 0196aa28ec Patch fixes miscompile with non-trivial copy constructors and 
statement expressions, //rdar: //8540501

llvm-svn: 117146
 2010-10-22 21:01:02 +00:00
Dan Gohman 947c9af774 Experimental TBAA support. 
This enables metadata generation by default, however the TBAA pass
in the optimizer is still disabled for now.

llvm-svn: 116536
 2010-10-14 23:06:10 +00:00
Fariborz Jahanian c58ec3a9e5 Removes unused setter. 
llvm-svn: 114085
 2010-09-16 16:14:34 +00:00
John McCall 2a8b9a3caa Further beautification: this pointer can now be typed. 
llvm-svn: 114061
 2010-09-16 03:16:41 +00:00
John McCall 58649dc609 Initialize AggValueSlot's flags along all paths, plus minor beautification. 
Prospective fix for broken commit in r114045.

llvm-svn: 114060
 2010-09-16 03:13:23 +00:00
Fariborz Jahanian b60e70f963 Patch to move RequiresGCollection bit to 
AggValueSlot slot.

llvm-svn: 114045
 2010-09-16 00:20:07 +00:00
John McCall 7a626f63f7 one piece of code is responsible for the lifetime of every aggregate 
slot.  The easiest way to do that was to bundle up the information
we care about for aggregate slots into a new structure which demands
that its creators at least consider the question.

I could probably be convinced that the ObjC 'needs GC' bit should
be rolled into this structure.
Implement generalized copy elision.  The main obstacle here is that
IR-generation must be much more careful about making sure that exactly

llvm-svn: 113962
 2010-09-15 10:14:12 +00:00
Daniel Dunbar d2bc53e925 CGValue: Increase width of allowed alignment. We could switch to log2, but we 
don't currently need the bits anyway.

llvm-svn: 112173
 2010-08-26 06:02:12 +00:00
Daniel Dunbar 226bddaff1 IRgen/CGValue: Give MakeAddrLValue() an alignment argument, and eliminate old form of MakeAddr(). 
llvm-svn: 111723
 2010-08-21 03:58:45 +00:00
Daniel Dunbar 4bb04cee6a IRgen: Move remaining LValue::Set... methods to LValue::set... (non-static) methods. 
llvm-svn: 111722
 2010-08-21 03:51:29 +00:00
Daniel Dunbar b657ac51cf IRgen/CGValue: Add getQuals(), so qualifiers can be modified on an LValue. 
llvm-svn: 111719
 2010-08-21 03:29:54 +00:00
Daniel Dunbar e50dda95ee IRgen/LValue: Add LValue::setNonGC instead of SetObjCNonGC, for consistency with isNonGC(). 
llvm-svn: 111718
 2010-08-21 03:22:38 +00:00
Daniel Dunbar 93b00a98a3 IRgen: Add an LValue::MakeAddr variant which takes a type and uses that to build 
the qualifiers.

Also, add CodeGenFunction::MakeAddrLValue() helper function which passes in the
ASTContext.

llvm-svn: 111714
 2010-08-21 02:53:44 +00:00
Daniel Dunbar e3b8dd433c IRgen/CGValue: Add alignment to LValue, and use that alignment when generating lvalue load/stores. 
llvm-svn: 111710
 2010-08-21 02:39:23 +00:00
Daniel Dunbar ab4dbea096 IRgen/LValue: Rename SetQualifiers() to Initialize(). 
llvm-svn: 111708
 2010-08-21 02:31:58 +00:00
Fariborz Jahanian 217af240b5 Adopt objc_assign_threadlocal() for __thread variables of GC types. 
Implements radar 8203301.

llvm-svn: 108917
 2010-07-20 20:30:03 +00:00
Benjamin Kramer 2718b4d757 CodeGen: Shrink RValue. 4 words -> 2 words. 
llvm-svn: 102863
 2010-05-02 14:59:10 +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. 
llvm-svn: 100745
 2010-04-08 02:59:45 +00:00
Daniel Dunbar 196ea449ed IRgen: Move BitFieldIsSigned bit into CGBitFieldInfo. 
llvm-svn: 100513
 2010-04-06 01:07:44 +00:00
Daniel Dunbar dc406b8e92 IRgen: Move BitField LValues to just hold a reference to the CGBitFieldInfo. 
- Unfortunately, this requires some horrible code in CGObjCMac which always
   allocats a CGBitFieldInfo because we don't currently build a proper layout
   for Objective-C classes. It needs to be cleaned up, but I don't want the
   bit-field cleanups to be blocked on that.

llvm-svn: 100474
 2010-04-05 21:36:35 +00:00
Mike Stump 462a4aa787 Fix documentation. 
llvm-svn: 85901
 2009-11-03 16:11:57 +00:00
Fariborz Jahanian 7a95d72b10 Patch fixes a code gen. bug in generation of objc_assign_ivar 
(objc GC's API).

llvm-svn: 82724
 2009-09-24 22:25:38 +00:00
John McCall 8ccfcb51ee Refactor the representation of qualifiers to bring ExtQualType out of the 
Type hierarchy.  Demote 'volatile' to extended-qualifier status.  Audit our
use of qualifiers and fix a few places that weren't dealing with qualifiers
quite right;  many more remain.

llvm-svn: 82705
 2009-09-24 19:53:00 +00:00
Fariborz Jahanian 38c3ae9bc4 Miscellanous fixes in generatation of objc gc's write-barriers. 
llvm-svn: 82472
 2009-09-21 18:54:29 +00:00
Fariborz Jahanian 2e32ddc7ba Fixed a bug in generation of the new write-barriers when 
array syntax is used to derefernce and assign to ivar pointee.

llvm-svn: 82183
 2009-09-18 00:04:00 +00:00
Mike Stump 11289f4280 Remove tabs, and whitespace cleanups. 
llvm-svn: 81346
 2009-09-09 15:08:12 +00:00
Fariborz Jahanian 9a84665921 Using "ObjCImplicitSetterGetterRefExpr" instead of "ObjCImplctSetterGetterRefExpr". 
A field rename and more comments.

llvm-svn: 79537
 2009-08-20 17:02:02 +00:00
Fariborz Jahanian 88cc2340de Renamed ObjCKVCRefExpr to ObjCImplctSetterGetterRefExpr. 
Removed an unnecessary loop to get to setters incoming
argument. Added DoxyGen comments. Still more work
to do in this area (WIP).

llvm-svn: 79365
 2009-08-18 20:50:23 +00:00
Mon P Wang acedf7768f Preserve address space information through member accesses, e.g., 
__attribute__((address_space(1))) struct {int arr[ 3 ]; }  *p1;
   ... = p1->arr[2];  // load from address space 1

llvm-svn: 76717
 2009-07-22 03:08:17 +00:00
Mike Stump 01c2d0a17c Not setting all the fields is confusing... 
llvm-svn: 72506
 2009-05-28 00:16:27 +00:00
Mike Stump 93700fc988 Add support for volatile RValues. 
llvm-svn: 72341
 2009-05-23 20:21:36 +00:00
Mike Stump 18bb9284ff Reflow some comments. 
llvm-svn: 71937
 2009-05-16 07:57:57 +00:00
Fariborz Jahanian 32ff7aeefa Provide basic support for generation of objc2's 
objc_assign_global API when assigning to global
objective-c object pointer.

llvm-svn: 70939
 2009-05-04 23:27:20 +00:00
Fariborz Jahanian 10bec1099c Handle case of none gc'able objects regardless of their 
type.

llvm-svn: 65205
 2009-02-21 00:30:43 +00:00
Fariborz Jahanian 83e3eea5fc Some code simplification. ir gen for gc'able array 
of objects in objc.

llvm-svn: 64992
 2009-02-19 00:48:05 +00:00
Chris Lattner e084c01124 fix volatile handling with ExtVectorElementExpr, so that we 
emit two volatile loads for:
typedef __attribute__(( ext_vector_type(4) )) float float4;

float test(volatile float4 *P) {
  return P->x+P->y;
}

llvm-svn: 64683
 2009-02-16 22:25:49 +00:00
Nate Begeman f2a6e5f0c0 Remove tabs. 
llvm-svn: 61097
 2008-12-16 19:57:09 +00:00
Fariborz Jahanian 9ac535162b Implemented ir-gen for 'implicit' properties using the new AST nodes. 
llvm-svn: 59886
 2008-11-22 22:30:21 +00:00
Fariborz Jahanian 735a4158d9 Fields of ivars of struct types are considered ivars 
themselves for gc API generation purposes.

llvm-svn: 59828
 2008-11-21 18:14:01 +00:00
Fariborz Jahanian 75686a58f3 Support generation of objc_assign_ivar for ivar 
write-barriers.

llvm-svn: 59748
 2008-11-20 20:53:20 +00:00
Fariborz Jahanian a598b5286e More of objective-c's gc code-gen. Treat objective-c 
objects as __strong when attribute unspecified.

llvm-svn: 59654
 2008-11-19 18:38:10 +00:00
Fariborz Jahanian 50a1270d87 Few more changes due to Daniel's feedback. 
llvm-svn: 59645
 2008-11-19 17:34:06 +00:00
Fariborz Jahanian d7db964495 Generate strong write barriers for __strong objects. 
Also, took care of Daniel's commments.

llvm-svn: 59575
 2008-11-19 00:59:10 +00:00
Fariborz Jahanian f5125d19e7 Generate objc_read_weak for __weak objc loads. 
llvm-svn: 59553
 2008-11-18 21:45:40 +00:00
Fariborz Jahanian 406b117eea Some basic support toward objective-c's GC code gen. 
llvm-svn: 59543
 2008-11-18 20:18:11 +00:00
Daniel Dunbar cf56c2b7bd Add FIXME about potential problem in how property ref lvalues are handled. 
llvm-svn: 57743
 2008-10-17 23:02:24 +00:00
Daniel Dunbar 41cf9dedc6 Change CodeGen to emit calls using (RValue,Type) list: 
- Add CodeGenFunction::EmitAnyExprToTemp
   o Like EmitAnyExpr, but emits aggregates to a temporary location if
     none is available. Seems like this should be simpler (even aside
     from using first class aggregates).

 - Killed CodeGenFunction::EmitCallArg (just append the pair)

 - Conversion of RValues to actual call arguments is now isolated in
   CodeGenFunction::EmitCall.

llvm-svn: 55970
 2008-09-09 01:06:48 +00:00
Daniel Dunbar 9e22c0d317 Add special "property reference" CodeGen::LValue type for emitting 
Objective-C property references.
 - This handles property references "more correctly" but setters still
   don't work.

llvm-svn: 55534
 2008-08-29 08:11:39 +00:00