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170 Commits

Author SHA1 Message Date
Chandler Carruth
173bfe477b Use the Arg variable rather than re-computing it. This also silences GCC's 
unused variable warning.

llvm-svn: 95085
 2010-02-02 12:15:55 +00:00
John McCall
49786a6c31 Codegen CXXConstructExprs with trivial constructors as constants. 
Eliminates a lot of spurious global initializers, fixing PR6205.

llvm-svn: 95077
 2010-02-02 08:02:49 +00:00
Anders Carlsson
e8bfe412ec Improve handling of emitting 'null' pointers to data members. 
llvm-svn: 95066
 2010-02-02 05:17:25 +00:00
Anders Carlsson
259688ce29 Move pointer to data member emission to CodeGenModule and use it in CGExprConstant. Fixes PR5674. 
llvm-svn: 95063
 2010-02-02 03:37:46 +00:00
Anders Carlsson
84673e200f Some class related cleanup. 
llvm-svn: 94938
 2010-01-31 01:36:53 +00:00
David Chisnall
481e3a87fe Created __builtin___NSStringMakeConstantString() builtin, which generates constant Objective-C strings. 
llvm-svn: 94274
 2010-01-23 02:40:42 +00:00
Ken Dyck
02990837ad Convert the type of the LValue offset variable in APValue to CharUnits, moving 
the LValue-related methods of APValue out of line to avoid header file leaching.

llvm-svn: 93512
 2010-01-15 12:37:54 +00:00
Anders Carlsson
a0b025e40f When emitting member function pointers, use the canonical decl if the member function is virtual. Fixes PR5940. 
llvm-svn: 92680
 2010-01-05 05:04:05 +00:00
Eli Friedman
c52a9367b3 Get rid of some unnecessary code. 
llvm-svn: 92432
 2010-01-02 23:43:59 +00:00
Daniel Dunbar
17c4f8d746 Update CGExprConstant for change to emit padding values as undef. 
- This fixes 2003-05-21-BitfieldHandling.

llvm-svn: 90876
 2009-12-08 21:12:32 +00:00
Benjamin Kramer
337e3a5fea Remove remaining VISIBILITY_HIDDEN from anonymous namespaces. 
llvm-svn: 90044
 2009-11-28 19:45:26 +00:00
Anders Carlsson
f942ee0297 Don't build the entire vtable when all we want is the index of a virtual method. 
llvm-svn: 90017
 2009-11-27 20:47:55 +00:00
Anders Carlsson
e18e29eeb9 Support emitting aggregate class initializers. Fixes PR5581. 
llvm-svn: 89569
 2009-11-21 23:56:04 +00:00
Eli Friedman
274ab904d0 Avoid assert-crash in a case where the expression passed to EmitConstantExpr 
legitimately has side-effects (and needs to be generated as a non-constant).

llvm-svn: 88767
 2009-11-14 08:51:33 +00:00
Eli Friedman
b210fc598f Make __func__ and friends work correctly within the initializer for a static 
local variable.

llvm-svn: 88766
 2009-11-14 08:37:13 +00:00
Eli Friedman
6f04b1e605 Obvious fix for PR5474. 
llvm-svn: 88696
 2009-11-13 21:23:46 +00:00
Chris Lattner
4f24225e8e indirectbr seems to work! Rip out the old code. 
llvm-svn: 86256
 2009-11-06 17:38:18 +00:00
Nuno Lopes
09bd8656c3 make clang emit undefs for padding of structs and unions instead of zeros. this enables constant compaction optimizations. 
llvm-svn: 85504
 2009-10-29 11:27:06 +00:00
Chris Lattner
6c4d255bf3 Implement clang support for indirect branch and address of label 
using the new LLVM support for this.  This is temporarily hiding
behind horrible and ugly #ifdefs until the time when the optimizer
is stable (hopefully a week or so).  Until then, lets make it "opt in" :)

llvm-svn: 85446
 2009-10-28 23:59:40 +00:00
Douglas Gregor
4bd90e53c2 Eliminate QualifiedDeclRefExpr, which captured the notion of a 
qualified reference to a declaration that is not a non-static data
member or non-static member function, e.g., 

  namespace N { int i; }
  int j = N::i;

Instead, extend DeclRefExpr to optionally store the qualifier. Most
clients won't see or care about the difference (since
QualifierDeclRefExpr inherited DeclRefExpr). However, this reduces the
number of top-level expression types that clients need to cope with,
brings the implementation of DeclRefExpr into line with MemberExpr,
and simplifies and unifies our handling of declaration references.

Extended DeclRefExpr to (optionally) store explicitly-specified
template arguments. This occurs when naming a declaration via a
template-id (which will be stored in a TemplateIdRefExpr) that,
following template argument deduction and (possibly) overload
resolution, is replaced with a DeclRefExpr that refers to a template
specialization but maintains the template arguments as written.

llvm-svn: 84962
 2009-10-23 18:54:35 +00:00
Anders Carlsson
9500ad13b0 Use CK_BitCast for member function pointer casts. Fixes PR5138. 
llvm-svn: 84438
 2009-10-18 20:31:03 +00:00
Chris Lattner
a2f9bd5339 fix test/CodeGen/statements.c on 32-bit hosts. 
llvm-svn: 84039
 2009-10-13 22:12:09 +00:00
Benjamin Kramer
abd5b90e4c Simplify pointer creation with the new Type::getInt*Ptr methods. 
llvm-svn: 83964
 2009-10-13 10:07:13 +00:00
Chris Lattner
3eb172a02b Teach sema and codegen about the difference between address of labels, 
which is a common idiom to improve PIC'ness of code using the addr of
label extension.  This implementation is a gross hack, but the only other
alternative would be to teach evalutate about this horrid combination.
While GCC allows things like "&&foo - &&bar + 1", people don't use this
in practice.  This implements PR5131.

llvm-svn: 83957
 2009-10-13 07:14:16 +00:00
Anders Carlsson
2bb27f53e0 Move the vtable builder to CGVtable.cpp, general cleanup. 
llvm-svn: 83798
 2009-10-11 22:13:54 +00:00
Anders Carlsson
d5931cd2b7 Pass the canonical method decl to GetVtableIndex. Fixes PR5120. 
llvm-svn: 83272
 2009-10-03 19:56:56 +00:00
Anders Carlsson
3162e4945a Handle base-to-derived casts of member function pointers in CGExprConstant.cpp 
llvm-svn: 83265
 2009-10-03 15:13:22 +00:00
Anders Carlsson
128a5d5147 Handle members to function pointers in CGExprConstant. 
llvm-svn: 83264
 2009-10-03 15:02:02 +00:00
Anders Carlsson
8a744ad8a6 Don't update the struct alignment when adding fields to a packed struct. Fixes PR5118. 
llvm-svn: 83235
 2009-10-02 04:52:12 +00:00
Anders Carlsson
39e3eb12ae When building constant structs, check if the resulting LLVM struct will be bigger than the record layout size and use a packed struct if that's the case. Fixes PR5108. 
llvm-svn: 83230
 2009-10-02 02:15:20 +00:00
Anders Carlsson
b05a3e551b Improve support for member function pointers. 
llvm-svn: 83039
 2009-09-29 02:09:01 +00:00
Nick Lewycky
41eaf0ac57 Make clang stop relying on ConstantStruct::get's default value for isPacked 
which will be going away (ie. it's becoming a required parameter) later today.

llvm-svn: 82323
 2009-09-19 20:00:52 +00:00
Anders Carlsson
ecf9bf0158 GlobalDecl doesn't have an explicit constructor anymore. 
llvm-svn: 81481
 2009-09-10 23:43:36 +00:00
Mike Stump
11289f4280 Remove tabs, and whitespace cleanups. 
llvm-svn: 81346
 2009-09-09 15:08:12 +00:00
Eli Friedman
95f896380f Make address-space qualification work correctly for compound literals. 
Issue reported on cfe-dev.

Also fixed the code to use isConstant to determine whether to generate a 
constant global, to be consistent with CodeGenModule.  This probably 
needs to be refactored to deal with C++, though.

llvm-svn: 80131
 2009-08-26 20:01:39 +00:00
Anders Carlsson
867b48f713 More member pointer work. 
llvm-svn: 79922
 2009-08-24 17:16:23 +00:00
Anders Carlsson
622ddae92b Whoops, comment this out for now. I'll fix it shortly. 
llvm-svn: 79806
 2009-08-23 01:28:08 +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
faeccc622f Handle CK_NullToMemberPointer casts in the constant expr emitter. 
llvm-svn: 79790
 2009-08-23 00:02:11 +00:00
Anders Carlsson
3b0c5dcdd2 Change the constant expression emitter to look at the cast kind for to-union casts. 
llvm-svn: 79789
 2009-08-22 23:54:44 +00:00
Owen Anderson
41a750271b Update for LLVM API change. 
llvm-svn: 78946
 2009-08-13 21:57:51 +00:00
Anders Carlsson
f48123b413 Improve handling of member pointers. 
llvm-svn: 78536
 2009-08-09 18:26:27 +00:00
Daniel Dunbar
f1ad6b7064 Fix clang breakage, CGF can be null in this context. 
llvm-svn: 78269
 2009-08-06 01:24:27 +00:00
Owen Anderson
758428f4e3 Update for LLVM API change. 
llvm-svn: 78259
 2009-08-05 23:18:46 +00:00
Anders Carlsson
f18318cf4e use CodeGenModule::EmitNullConstant in a couple of places. 
llvm-svn: 77915
 2009-08-02 21:18:22 +00:00
Eli Friedman
62561fe9b0 Fix a minor issue with unions in the new struct building code. 
llvm-svn: 77829
 2009-08-01 23:11:24 +00:00
Anders Carlsson
1726aaa4fc Remove the old struct builder code. 
llvm-svn: 77738
 2009-07-31 21:48:56 +00:00
Anders Carlsson
d65ab045e8 Move code from EmitUnion directly into the function that handles cast-to-union. 
llvm-svn: 77735
 2009-07-31 21:38:39 +00:00
Anders Carlsson
0d5f37b81a Use the struct builder for unions. 
llvm-svn: 77732
 2009-07-31 21:34:04 +00:00
Owen Anderson
0b75f23b94 Update for LLVM API change. 
llvm-svn: 77722
 2009-07-31 20:28:54 +00:00