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438 Commits

Author SHA1 Message Date
Ken Dyck
160146eba2 Change the return type of ASTContext::getDeclAlignInBytes() to CharUnits and, 
now that the "InBytes" part of the name is implied by the return type, rename
it to getDeclAlign().

llvm-svn: 94681
 2010-01-27 17:10:57 +00:00
Ken Dyck
a0f99ff230 Use CharUnits for alignment of UTF16 string in GetAddrOfConstantCFString(). 
llvm-svn: 94564
 2010-01-26 18:46:23 +00:00
Anders Carlsson
ca4a5459d8 Use the right definition when emitting a global variable. Fixes PR5564. 
llvm-svn: 94555
 2010-01-26 17:43:42 +00:00
Ken Dyck
98ca79435a Introduce CodeGenModule::GetTargetTypeStoreSize() to calculate the store size 
of LLVM types in character units.

llvm-svn: 94542
 2010-01-26 13:48:07 +00:00
Anders Carlsson
d6b21e4842 If a global variable has an initializer with side effects, it can never be deferred (even if it's in an anonymous namespace). 
llvm-svn: 94525
 2010-01-26 06:15:16 +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
Anton Korobeynikov
55bcea1e65 Generalize target weirdness handling having proper layering in mind: 
1. Add helper class for sema checks for target attributes
 2. Add helper class for codegen of target attributes

As a proof-of-concept - implement msp430's 'interrupt' attribute.

llvm-svn: 93118
 2010-01-10 12:58:08 +00:00
Chris Lattner
34c72dd683 revert r92749, which is just dead code. 
llvm-svn: 93074
 2010-01-09 21:14:47 +00:00
Eli Friedman
5866fe306d Fix for PR5967: Make const-marking for LLVM globals correct for cases requiring 
run-time initialization, and emit run-time initializers aggresively to avoid
ordering issues with deferred globals.

llvm-svn: 92976
 2010-01-08 00:50:11 +00:00
Douglas Gregor
2a34df3264 Fix linkage for RTTI names by re-using the logic for computing the 
linkage of vtables. Before this, we were emitting RTTI names for
template instantiations with strong external linkage rather than with
weak ODR linkage.

llvm-svn: 92857
 2010-01-06 22:00:56 +00:00
Douglas Gregor
ccecc1bb43 Fix marking of virtual members for nested classes whose first non-pure virtual function has a body inlined in the class 
llvm-svn: 92855
 2010-01-06 20:27:16 +00:00
Douglas Gregor
a318efd1f2 Improve key-function computation for templates. In particular: 
- All classes can have a key function; templates don't change that.
  non-template classes when computing the key function.
  - We always mark all of the virtual member functions of class
  template instantiations. 
  - The vtable for an instantiation of a class template has weak
  linkage. 

We could probably use available_externally linkage for vtables of
classes instantiated by explicit instantiation declarations (extern
templates), but GCC doesn't do this and I'm not 100% that the ABI
permits it.

llvm-svn: 92753
 2010-01-05 19:06:31 +00:00
Mike Stump
79ed590c85 Add code to skip the emission of available externally functions at -O0. WIP. 
llvm-svn: 92749
 2010-01-05 18:48:04 +00:00
Chris Lattner
3f8e5dd898 strength reduce this call away. 
llvm-svn: 92253
 2009-12-29 07:49:13 +00:00
Chris Lattner
5e124bf913 this form of SetDebugLocation is about to go away, add some #includes that 
are about to not come in implicitly.

llvm-svn: 92228
 2009-12-28 21:44:41 +00:00
Eli Friedman
2e06e8bbcc Some small improvements to dead code elimination; helps a bit on 
LLVM-Code-Symbols test.

llvm-svn: 92152
 2009-12-25 05:29:40 +00:00
Jeffrey Yasskin
1615d45daa Un-namespace-qualify llvm_unreachable. It's a macro, so the qualification gave 
no extra safety anyway.

llvm-svn: 91207
 2009-12-12 05:05:38 +00:00
Eli Friedman
b095e15af4 Fix for PR5714: make sure globals that will be modified aren't marked const. 
llvm-svn: 91156
 2009-12-11 21:23:03 +00:00
Benjamin Kramer
b11118bd0b Random string-related cleanups. 
llvm-svn: 91119
 2009-12-11 13:33:18 +00:00
Anders Carlsson
781161dc55 Make sure that explicitly instantiated functions get the right linkage. 
llvm-svn: 91069
 2009-12-10 22:25:34 +00:00
Eli Friedman
4f678f3de1 Fix for PR5709: use the computed type of the declaration instead of the 
type of the builtin when generating the function declaration for a builtin
library call.

llvm-svn: 90936
 2009-12-09 03:05:59 +00:00
Eli Friedman
f2c79b6b9c Misc key function fixes. 
llvm-svn: 90831
 2009-12-08 03:56:49 +00:00
Eli Friedman
31bc3ad275 A bunch more thunk fixes from misc testing. 
(Yes, I do intend to commit some tests for this.)

llvm-svn: 90818
 2009-12-07 23:56:34 +00:00
Eli Friedman
8174f2c23c Work-in-progess rewrite of thunks: move thunk generation outside of vtable 
generation, and make sure we generate thunks when the function is defined
rather than when the vtable is defined.

llvm-svn: 90722
 2009-12-06 22:01:30 +00:00
Anders Carlsson
3efc6e6f46 Add rudimentary support for member pointers to CGDebugInfo. 
llvm-svn: 90711
 2009-12-06 18:00:51 +00:00
Anders Carlsson
a30e1750cd Don't emit explicit specializations of static member variable declarations. 
llvm-svn: 90624
 2009-12-04 23:50:01 +00:00
Anders Carlsson
b1d3f7c909 Have ASTRecordLayout keep track of the key function, in preparation of fixing a synthetic ctor/dtor bug. 
llvm-svn: 90168
 2009-11-30 23:41:22 +00:00
Daniel Dunbar
2c11cd156e Don't try to generate common globals for C++ files, instead of depending on the FE to set NoCommon, and simplify CodeGenOptions initialization. 
llvm-svn: 90119
 2009-11-30 08:40:34 +00:00
Eli Friedman
84a7e347bf Simplify and fix up the handling of implicit constructors, copy assignment 
operators, and destructors.  Avoids generating declarations/definitions of
trivial constructors/destructors, and makes sure the trivial copy assignment
operator is generated when necessary.

llvm-svn: 89943
 2009-11-26 07:40:08 +00:00
Eli Friedman
8a5f75ed5d Use new getLinkage() method to correctly compute whether a variable has 
internal linkage.  Fixes PR5433.

llvm-svn: 89931
 2009-11-26 02:52:12 +00:00
Anders Carlsson
0ade9715f2 Ignore constructor member templates in CodeGenModule::EmitTopLevelDecl. 
llvm-svn: 89737
 2009-11-24 05:16:24 +00:00
Daniel Dunbar
e949e6cced Mangler: Lift shouldMangleDeclName predicate out of CXXNameMangler::mangle. 
- Sometimes we have to mangle things we wouldn't normally (e.g., because they appear in a template expression).

 - This also tidies up the predicate to be more obvious what is getting mangled.

llvm-svn: 89555
 2009-11-21 09:14:52 +00:00
Daniel Dunbar
e128dd18ab IRgen: Switch the C++ mangler interfaces to take the SmallVector to write into, 
instead of requiring clients to make a raw_svector_ostream, which is just an
implementation detail.

llvm-svn: 89548
 2009-11-21 09:06:22 +00:00
Daniel Dunbar
ef5d75afeb Sink free mangle* methods into MangleContext. 
llvm-svn: 89547
 2009-11-21 09:06:10 +00:00
Alexis Hunt
96d5c76498 Added rudimentary C++0x attribute support. 
The following attributes are currently supported in C++0x attribute
lists (and in GNU ones as well):
 - align() - semantics believed to be conformant to n3000, except for
   redeclarations and what entities it may apply to
 - final - semantics believed to be conformant to CWG issue 817's proposed
   wording, except for redeclarations
 - noreturn - semantics believed to be conformant to n3000, except for
   redeclarations
 - carries_dependency - currently ignored (this is an optimization hint)

llvm-svn: 89543
 2009-11-21 08:43:09 +00:00
Mike Stump
a7a1b7e780 Fixup key function calculations. 
llvm-svn: 89412
 2009-11-20 00:02:19 +00:00
Mike Stump
1a139f8fb5 Improve instantiation control for rtti data and allow key functions to 
instantiate a class.  WIP.

llvm-svn: 89289
 2009-11-19 01:08:19 +00:00
John McCall
1e9de059cc Skip over shadow using decls during codegen. 
llvm-svn: 89079
 2009-11-17 09:33:40 +00:00
Anders Carlsson
0d82fa66a5 The ssp and sspreq function attributes should only be applied to function definitions, not declarations or calls. 
llvm-svn: 88915
 2009-11-16 16:56:03 +00:00
Eli Friedman
49ddc5fb94 Make GetAddrOfConstantStringFromLiteral return a constant of the correct type. 
This doesn't have any visible effects at the moment because normally the
implicit cast code forces the type to the expected type.

llvm-svn: 88896
 2009-11-16 05:55:46 +00:00
Chandler Carruth
bc55fe26c6 Move CompileOptions -> CodeGenOptions, and sink it into the CodeGen library. 
This resolves the layering violation where CodeGen depended on Frontend.

llvm-svn: 86998
 2009-11-12 17:24:48 +00:00
Eli Friedman
cc522d9ab3 Rearrange function to avoid recursive use-after-free. 
llvm-svn: 86516
 2009-11-09 05:07:37 +00:00
Chris Lattner
15275e55ce add missing #include 
llvm-svn: 86368
 2009-11-07 09:22:46 +00:00
Fariborz Jahanian
4127b8ef97 Added support for static variables which require 
initialization before main. Fixes pr5396.

llvm-svn: 86145
 2009-11-05 18:03:03 +00:00
Douglas Gregor
b7e5c847c4 Implement proper linkage for explicit instantiation declarations of 
inlined functions. For example, given

  template<typename T>
  class string {
    unsigned Len;

  public:
    unsigned size() const { return Len; }
  };

  extern template class string<char>;

we now give the instantiation of string<char>::size
available_externally linkage (if it is ever instantiated!), as
permitted by the C++0x standard.
      

llvm-svn: 85340
 2009-10-27 23:26:40 +00:00
Douglas Gregor
583dcafce4 Introduce FunctionDecl::isInlined() to tell whether a function should 
be inlined.

llvm-svn: 85307
 2009-10-27 21:11:48 +00:00
Douglas Gregor
35b5753e17 Rename FunctionDecl::isInline/setInline to 
FunctionDecl::isInlineSpecified/setInlineSpecified.

llvm-svn: 85305
 2009-10-27 21:01:01 +00:00
Anders Carlsson
29295bff61 Add a PrettyStackTraceDecl in CodeGenModule::EmitGlobalDefinition. 
llvm-svn: 85237
 2009-10-27 14:32:27 +00:00
Douglas Gregor
e0105ad38b assert -> llvm_unreachable 
llvm-svn: 85125
 2009-10-26 16:27:58 +00:00
Daniel Dunbar
2c422dc9ca Move clients to use IdentifierInfo::getNameStart() instead of getName() 
llvm-svn: 84436
 2009-10-18 20:26:12 +00:00
Douglas Gregor
819c3ddda8 Fix a thinko that John pointed out 
llvm-svn: 84142
 2009-10-14 21:36:34 +00:00
Douglas Gregor
3cc3cdeea9 Give explicit and implicit instantiations of static data members of 
class templates the proper linkage. 

Daniel, please look over the CodeGenModule bits.

llvm-svn: 84140
 2009-10-14 21:29:40 +00:00
Devang Patel
f33cfaf760 Copy metadata associated with CI 
llvm-svn: 84114
 2009-10-14 17:03:29 +00:00
Chris Lattner
4f8a2e22c0 fix some cfstring related issues: 
1) -fwritable-string does affect the non-utf16 version of cfstrings
   just not the utf16 ones.
2) utf16 strings should always be marked constant, as the __TEXT segment
   is readonly.
3) The name of the global doesn't matter, remove it from TargetInfo.
4) Trust the asmprinter to drop cstrings into the right section, like llvmgcc does now.

This fixes rdar://7115750

llvm-svn: 84077
 2009-10-14 05:55:45 +00:00
Chris Lattner
734351d214 unbreak test/CodeGen/builtins.c, reverting Devang's change. 
llvm-svn: 84075
 2009-10-14 05:49:21 +00:00
Devang Patel
3b3f0f6b65 Check void type before using replaceAllUsesWith(). 
llvm-svn: 84050
 2009-10-13 22:59:11 +00:00
Devang Patel
9f73552852 Remove extra white space line. 
llvm-svn: 83979
 2009-10-13 17:02:38 +00:00
Devang Patel
7468489deb Do not check use_empty() before invoking replaceAllUsesWith(). 
Let replaceAllUsesWith() adjust VHs even though there are no uses.

llvm-svn: 83978
 2009-10-13 17:02:04 +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
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
a18ed9b113 If a global initializer has a non-trivial constructor or destructor, we never want to defer generation of it, even if it is declared static. 
With this change we're finally able to compile and run the (infamous)

#include <string>
#include <iostream>

int main(int argc, char **argv) {
  std::cout << "Hello, World" << std::endl;
}

$ clang hello.cpp -lstdc++ -o hello
$ ./hello 
Hello, World

llvm-svn: 83559
 2009-10-08 17:28:59 +00:00
Anders Carlsson
ff971e8bf4 Add a MangleContext and pass it to all mangle functions. It will be used for keeping state, such as identifiers assigned to anonymous structs as well as scope encoding. 
llvm-svn: 83442
 2009-10-07 01:06:45 +00:00
Mike Stump
916c006735 Fix thinko and simplify. 
llvm-svn: 83342
 2009-10-05 23:08:21 +00:00
Mike Stump
3472ae5bac Ensure we have atleast 2-byte alignment for member functions. 
llvm-svn: 83337
 2009-10-05 22:49:20 +00:00
Mike Stump
c5e153c50e Respect alignments better. 
llvm-svn: 83328
 2009-10-05 21:58:44 +00:00
Benjamin Kramer
dde0fee82e Use new predicates for some type equality tests. 
llvm-svn: 83303
 2009-10-05 13:47:21 +00:00
John McCall
4fa5342758 Anonymous namespaces, sema + codegen. A lot of semantics are still broken, 
apparently because using directives aren't quite working correctly.

llvm-svn: 83184
 2009-10-01 00:25:31 +00:00
Anders Carlsson
649a17e861 Handle namespace aliases. 
llvm-svn: 82644
 2009-09-23 19:19:16 +00:00
Daniel Dunbar
b879c3c125 Revert "Switch a few clients over to StringLiteral::getString.", this is breaking some projects, but I don't have a test case yet. 
llvm-svn: 82539
 2009-09-22 10:03:52 +00:00
Daniel Dunbar
5de27daf93 Switch a few clients over to StringLiteral::getString. 
- Switching all of them out-of-my-current-scope-of-interest, sorry.

llvm-svn: 82515
 2009-09-22 03:27:52 +00:00
John McCall
9dd450bb78 Change all the Type::getAsFoo() methods to specializations of Type::getAs(). 
Several of the existing methods were identical to their respective
specializations, and so have been removed entirely.  Several more 'leaf'
optimizations were introduced.

The getAsFoo() methods which imposed extra conditions, like
getAsObjCInterfacePointerType(), have been left in place.

llvm-svn: 82501
 2009-09-21 23:43:11 +00:00
Daniel Dunbar
ff0553ec61 Fix subtle bug in generating LLVM function declarations for builtin functions. 
The decl wasn't being passed down, which meant that function attributes were not
being set correctly. This is particularly important for ARM, since it wants to
override the calling convention. Instead we would emit the builtin with the
wrong calling convention, and instcombine would come along and merrily shred all
the calls to it. :)

llvm-svn: 81756
 2009-09-14 04:33:21 +00:00
Douglas Gregor
299d76e901 Rework the way we determine whether an externally visible symbol is 
generated for an inline function definition, taking into account C99
and GNU inline/extern inline semantics. This solution is simpler,
cleaner, and fixes PR4536.

llvm-svn: 81670
 2009-09-13 07:46:26 +00:00
Daniel Dunbar
0ef3479cb7 Change CodeGenModule::ConstructTypeAttributes to return the calling convention 
to use, and allow the ABI implementation to override the calling convention.

llvm-svn: 81593
 2009-09-12 00:59:20 +00:00
Douglas Gregor
16618f2157 Remove unnecessary ASTContext parameters from isMain and isExternC 
llvm-svn: 81589
 2009-09-12 00:17:51 +00:00
Daniel Dunbar
bbaeca4fef Set the calling convention based on the CGFunctionInfo. 
llvm-svn: 81582
 2009-09-11 22:25:00 +00:00
Anders Carlsson
ecf9bf0158 GlobalDecl doesn't have an explicit constructor anymore. 
llvm-svn: 81481
 2009-09-10 23:43:36 +00:00
Anders Carlsson
38988d7ee0 Add stricter GlobalDecl constructors. 
llvm-svn: 81480
 2009-09-10 23:38:47 +00:00
Mike Stump
11289f4280 Remove tabs, and whitespace cleanups. 
llvm-svn: 81346
 2009-09-09 15:08:12 +00:00
Douglas Gregor
34ec2ef159 Improve the AST representation and semantic analysis for extern 
templates. We now distinguish between an explicit instantiation
declaration and an explicit instantiation definition, and know not to
instantiate explicit instantiation declarations. Unfortunately, there
is some remaining confusion w.r.t. instantiation of out-of-line member
function definitions that causes trouble here.
 

llvm-svn: 81053
 2009-09-04 22:48:11 +00:00
Douglas Gregor
d94105a1c2 Don't generate any code for an explicit call to a trivial destructor. 
Now that parsing, semantic analysis, and (I think) code generation of
pseudo-destructor expressions and explicit destructor calls works,
update the example-dynarray.cpp test to destroy the objects it
allocates and update the test to actually compile + link.
The code seems correct, but the Clang-compiled version dies with a
malloc error. Time to debug!

llvm-svn: 81025
 2009-09-04 19:04:08 +00:00
Douglas Gregor
e5feb51624 Don't try to CodeGen using directives, from Anders Johnsen 
llvm-svn: 80853
 2009-09-02 23:49:23 +00:00
Mike Stump
3722f5896c Regularize the case and sort. 
llvm-svn: 80163
 2009-08-26 22:31:08 +00:00
Anders Carlsson
6c0a6e490c Emit conversion functions correctly. 
llvm-svn: 79985
 2009-08-25 13:14:46 +00:00
Fariborz Jahanian
d262eda6fc Patch toward synthesizing non-trivial destructors. WIP 
llvm-svn: 79199
 2009-08-16 19:36:17 +00:00
Anders Carlsson
157c321b7c No need to append extra padding now that we don't create packed structs for simple cases like the constant string. 
llvm-svn: 79178
 2009-08-16 05:55:31 +00:00
Fariborz Jahanian
92b3f47de2 Fixed a bug in ir-gen for copy assignment synthesis. 
Fixed a bug when evaluating those copy-assignments
which need by lazily syntheized. A test case
for these.

llvm-svn: 78965
 2009-08-14 00:01:54 +00:00
Owen Anderson
41a750271b Update for LLVM API change. 
llvm-svn: 78946
 2009-08-13 21:57:51 +00:00
Fariborz Jahanian
4985b33fd7 Patch to force synthesis of copy assignment operator 
function in the order according to c++03. ir-gen 
for copy assignment in the trivial case and the first
test case.

llvm-svn: 78938
 2009-08-13 21:09:41 +00:00
Fariborz Jahanian
de7d4c264a Patch for synthesizing copy assignment operator. 
WIP.

llvm-svn: 78841
 2009-08-12 21:14:35 +00:00
Fariborz Jahanian
b2197042b8 ir-gen support for anonymous union data member 
copying in copy constructors and used in
default constructor's initializer list.

llvm-svn: 78700
 2009-08-11 18:49:54 +00:00
Fariborz Jahanian
296584b2a9 Support for anonymous union in ctor's initializer and 
bunch of FIXMEs for their is-gen.

llvm-svn: 78623
 2009-08-10 23:56:17 +00:00
Anders Carlsson
b8be93fc92 Add support for global initializers. 
llvm-svn: 78515
 2009-08-08 23:24:23 +00:00
Fariborz Jahanian
7c3d7f6c59 Remove use of uninitized variable. 
llvm-svn: 78448
 2009-08-08 00:59:58 +00:00
Fariborz Jahanian
40134e71be More synthesis of copy constructors. Work in progress. 
llvm-svn: 78402
 2009-08-07 20:22:40 +00:00
Fariborz Jahanian
9301b24c0a Patch toward synthesizing copy constructors. 
Work in progress.

llvm-svn: 78355
 2009-08-06 23:38:16 +00:00
Owen Anderson
758428f4e3 Update for LLVM API change. 
llvm-svn: 78259
 2009-08-05 23:18:46 +00:00
Chris Lattner
f49573d1ee weak globals that are const should get weak_odr linkage. 
add a fixme about C++ const.

llvm-svn: 78159
 2009-08-05 05:20:29 +00:00
Chris Lattner
c0693bc2ea rdar://7119244 - globals with an explicit section specified don't get 
common linkage.

llvm-svn: 78158
 2009-08-05 04:56:58 +00:00
Daniel Dunbar
4d93a4f9d4 Make sure UTF-16 strings end with a 16-bit null (as opposed to 8-bit). 
llvm-svn: 78001
 2009-08-03 21:47:08 +00:00