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204 Commits

Author SHA1 Message Date
Anders Carlsson
fe5f7d916f Set the correct linkage for VTTs as well. 
llvm-svn: 90689
 2009-12-06 01:09:21 +00:00
Anders Carlsson
7e28c5f2e2 Make GenerateVtable a private member function of CGVtableInfo. 
llvm-svn: 90684
 2009-12-06 00:01:05 +00:00
Eli Friedman
551fe84d0e Minor cleanup. 
llvm-svn: 90411
 2009-12-03 04:27:05 +00:00
Mike Stump
e2d4a2c3a8 Add support for thunking dtors. Oh why does this make my head hurt? 
llvm-svn: 90409
 2009-12-03 03:47:56 +00:00
Anders Carlsson
5f91fd64b6 Add CodeGenModule::ComputeThunkAdjustment, which Eli wrote. 
llvm-svn: 90401
 2009-12-03 03:06:55 +00:00
Mike Stump
c01c2b87e8 Change rtti/Rtti to RTTI, as it is an acronym. 
llvm-svn: 90334
 2009-12-02 18:57:08 +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
Anders Carlsson
2f87c4f1a5 Add a CovariantThunkAdjustment struct that represents the adjustments needed for a covariant thunk. 
llvm-svn: 89933
 2009-11-26 03:09:37 +00:00
Anders Carlsson
c778540f9a Add a ThunkAdjustment struct which holds a non-virtual and a virtual adjustment offset. Start using it. General cleanup in Mangle.cpp. 
llvm-svn: 89925
 2009-11-26 02:32:05 +00:00
Mike Stump
101f052faf Simplify rtti building code a little. Prep for reuse for throw rtti 
generation.

llvm-svn: 89416
 2009-11-20 00:31:50 +00:00
Mike Stump
3f75d552a3 Add typeid for the builtin types. WIP. 
llvm-svn: 89028
 2009-11-17 02:16:21 +00:00
Mike Stump
f5b2869b75 Finisgh off rest of class_type_info rtti generation. 
llvm-svn: 88823
 2009-11-14 23:32:21 +00:00
Anders Carlsson
87f84c1e72 Move GlobalDecl to its own file. Also add DenseMapInfo traits. 
llvm-svn: 87081
 2009-11-13 04:25:07 +00:00
Mike Stump
83066c8dee Allow the tracking of address points for construction vtables as well. 
llvm-svn: 87063
 2009-11-13 01:54:23 +00:00
Mike Stump
2cefe38365 Fix the offset calculations for non-virtual bases with overrides. 
Refine the VTT entries for virtual bases to refer to the complete
object's vtable instead of constructor vtables.

Refine the AddressPoint calculations for VTT entries for virtual bases.

llvm-svn: 87021
 2009-11-12 20:47:57 +00:00
Devang Patel
94f798c079 "Attach debug info with llvm instructions" mode was enabled a month ago. Now make it permanent and remove old way of inserting intrinsics to encode debug info for locations and types. 
llvm-svn: 87007
 2009-11-12 18:21:39 +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
Mike Stump
eac4559790 Push ctor vtable construction down further. WIP. 
llvm-svn: 86878
 2009-11-11 20:26:26 +00:00
Mike Stump
d846d0825b Add vtable caching to prevent multiple vtables for the same class from 
being generated.

Add the most derived vtable pointer to the VTT.

llvm-svn: 86671
 2009-11-10 07:44:33 +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
Devang Patel
5b294f4330 Enable "debug info attached to an instruction" mode. 
llvm-svn: 83928
 2009-10-12 23:31:25 +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
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
Anders Carlsson
32bfb1ce8f Move some functions from CodeGenFunctions to CodeGenModule so they can be used by CGExprConstant. 
llvm-svn: 83263
 2009-10-03 14:56:57 +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
Chris Lattner
ee7bd3b204 whitespace fix 
llvm-svn: 81644
 2009-09-12 22:45:21 +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
Mike Stump
80f6ac5a4f Add basic covariant thunk generation support. WIP. 
llvm-svn: 81585
 2009-09-11 23:25:56 +00:00
Anders Carlsson
73fcc95f0f Pass GlobalDecls to GenerateCode and StartFunction. 
llvm-svn: 81485
 2009-09-11 00:07:24 +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
Mike Stump
453fe4285d Install thunks later to fixup overrides. Track space taken by vbase 
offsets better for thunk refinements.  Cleanups.  WIP.

llvm-svn: 81067
 2009-09-05 07:20:32 +00:00
Mike Stump
5a522353c3 Add overidding for methods for vtable building for the secondary 
vtables.  Add thunk generation.  WIP.

llvm-svn: 81014
 2009-09-04 18:27:16 +00:00
Mike Stump
07347353a0 Cleanups. Move GenerateRtti to CodeGenModule. 
llvm-svn: 79372
 2009-08-18 21:49:00 +00:00
Fariborz Jahanian
d262eda6fc Patch toward synthesizing non-trivial destructors. WIP 
llvm-svn: 79199
 2009-08-16 19:36:17 +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
Benjamin Kramer
9cd050ab07 LLVMContext is a class now. 
llvm-svn: 78691
 2009-08-11 17:46:57 +00:00
Anders Carlsson
b8be93fc92 Add support for global initializers. 
llvm-svn: 78515
 2009-08-08 23:24:23 +00:00
Fariborz Jahanian
40134e71be More synthesis of copy constructors. Work in progress. 
llvm-svn: 78402
 2009-08-07 20:22:40 +00:00
Owen Anderson
758428f4e3 Update for LLVM API change. 
llvm-svn: 78259
 2009-08-05 23:18:46 +00:00
Mike Stump
bc78a728ee Add code to setup the vtable pointer in the constructor. Work in progress. 
llvm-svn: 77699
 2009-07-31 18:25:34 +00:00
Owen Anderson
170229f68d Update for LLVM API change, and contextify a bunch of related stuff. 
llvm-svn: 75705
 2009-07-14 23:10:40 +00:00
Owen Anderson
ae86c19e68 Update for LLVM API change. 
llvm-svn: 75446
 2009-07-13 04:10:07 +00:00
Douglas Gregor
e8925dbc1d Improve code generation for function template specializations: 
- Track implicit instantiations vs. the not-yet-supported explicit
  specializations
  - Give implicit instantiations of function templates (and member
  functions of class templates) linkonce_odr linkage.
  - Improve name mangling for function template specializations,
  including the template arguments of the instantiation and the return
  type of the function.

Note that our name-mangling is improved, but not correct: we still
don't mangle substitutions, although the manglings we produce can be
demangled.

llvm-svn: 74466
 2009-06-29 22:39:32 +00:00
Eli Friedman
895771aa4b Handle the edge case of a weak function with incomplete type correctly. 
Found by code inspection; I haven't seen this in real-world code.

llvm-svn: 72408
 2009-05-26 01:22:57 +00:00
Chris Lattner
e0be0dfced push GlobalDecl through enough of the CodeGenModule interfaces 
to allow us to support generation of deferred ctors/dtors.
It looks like codegen isn't emitting a call to the dtor in 
member-functions.cpp:test2, but when it does, its body should
get emitted.

llvm-svn: 71594
 2009-05-12 21:21:08 +00:00
Anders Carlsson
dae1abc7ac Refactor global decls to hold either a regular Decl or a CXXConstructorDecl + ctor type or a CXXDestructorDecl + dtor type. 
llvm-svn: 70962
 2009-05-05 04:44:02 +00:00
Douglas Gregor
beecd58e21 Explictly track tentative definitions within Sema, then hand those 
tentative definitions off to the ASTConsumer at the end of the
translation unit. 

Eliminate CodeGen's internal tracking of tentative definitions, and
instead hook into ASTConsumer::CompleteTentativeDefinition. Also,
tweak the definition-deferal logic for C++, where there are no
tentative definitions.

Fixes <rdar://problem/6808352>, and will make it much easier for
precompiled headers to cope with tentative definitions in the future.

llvm-svn: 69681
 2009-04-21 17:11:58 +00:00
Anders Carlsson
eaa28f7e18 Add support for generating (very basic) C++ destructors. These aren't called by anything yet. 
llvm-svn: 69343
 2009-04-17 01:58:57 +00:00
Daniel Dunbar
c3e7cff6d3 Attributes on block functions were not being set. 
- <rdar://problem/6800351> clang not producing correct large struct
   return code for Blocks

llvm-svn: 69337
 2009-04-17 00:48:04 +00:00
Anders Carlsson
e8eeffdf16 Add GetAddrOfCXXConstructor and use it. 
llvm-svn: 69328
 2009-04-16 23:57:24 +00:00
Daniel Dunbar
7dd749e6fd Defer generation of tentative definitions. 
- PR3980.

 - <rdar://problem/6762287> [irgen] crash when generating tentative
   definition of incomplete structure

 - This also avoids creating common definitions for things which are
   later overwritten.

 - XFAIL'ed external-defs.c, it isn't completing types properly yet.

llvm-svn: 69231
 2009-04-15 22:08:45 +00:00
Anders Carlsson
f747524819 Start attempting to generate code for C++ ctors. 
llvm-svn: 69168
 2009-04-15 15:55:24 +00:00
Chris Lattner
28549de12c remove dead enum 
llvm-svn: 69070
 2009-04-14 20:30:29 +00:00
Chris Lattner
bae0e68930 Fix PR3988: extern inline functions get strong symbol definitions in 
C99 mode.  This is a regression from an earlier patch of mine.

This also simplifies the linkage enums a bit.

llvm-svn: 69069
 2009-04-14 20:25:53 +00:00
Chris Lattner
02e987f3e8 implement codegen support for __attribute((__gnuc_inline__)), 
pulling some attribute munging stuff into GetLinkageForFunction.

This should fix PR3986

llvm-svn: 69045
 2009-04-14 16:44:36 +00:00
Daniel Dunbar
389325715b Refactor how attributes are set on values. 
- Pull out SetCommonAttributes, which handles the things common to
   aliases, methods, functions, and variables.

 - Pull out SetLLVMFunctionAttributesForDefinition, which handles the
   LLVM attributes which we only want to apply to a definition (like
   noinline and alwaysinline).

 - Kill SetGVDeclarationAttributes (inlined into SetFunctionAttributes
   and specialized).

 - Kill SetFunctionAttributesForDefinition (inlined into sole caller).

 - Inline SetGVDefinitionAttributes into SetMethodAttributes and
   specialize.

 - Rename SetGVDefinitionAttributes to SetFunctionDefinitionAttributes.

This is supposed to be a no functionality change commit, but I may
have made a mistake.

llvm-svn: 69036
 2009-04-14 08:05:55 +00:00
Daniel Dunbar
81a3f1bdf3 Split SetGlobalValueAttributes into definition/declaration halves. 
- No functionality change.

llvm-svn: 69035
 2009-04-14 07:19:20 +00:00
Daniel Dunbar
aeddffc99d Rename (one) SetFunctionAttributes to SetLLVMFunctionAttributes to 
disambiguate it.
 - No functionality change.

llvm-svn: 69034
 2009-04-14 07:08:30 +00:00
Chris Lattner
3e031f4121 add a new enum type for linkage, no functionality change. 
llvm-svn: 69028
 2009-04-14 06:04:17 +00:00
Daniel Dunbar
f5f359fb73 Clean up handling of visibility. 
llvm-svn: 69027
 2009-04-14 06:00:08 +00:00
Eli Friedman
20bb5e02a5 Minor work related to removing the assumption that value initialization 
implies an all-zero bit pattern.

llvm-svn: 68994
 2009-04-13 21:47:26 +00:00
Anders Carlsson
80f97ab08f Add a destination type argument to EmitConstantExpr. This will be used for when the destination has a reference type. (No functionality change yet) 
llvm-svn: 68593
 2009-04-08 04:48:15 +00:00
Anders Carlsson
cbaeb9e633 Emit code for linkage specifications. 
llvm-svn: 68300
 2009-04-02 05:55:18 +00:00
Steve Naroff
e14b368fa9 More "prep" work for handling UTF16 CFString. 
Patch by Jean-Daniel Dupas. Thanks!

llvm-svn: 68203
 2009-04-01 13:55:36 +00:00
Chris Lattner
6483908957 move trivial forwarding function inline. 
llvm-svn: 68176
 2009-04-01 02:08:13 +00:00
Anders Carlsson
237f349073 Implement code generation of namespaces and add mangling tests. 
llvm-svn: 68170
 2009-04-01 00:58:25 +00:00
Chris Lattner
f41e87f4cd Change UsedArray to be a vector of WeakVH to fix a dangling pointer problem that occurs when 
attribute(used) and asm renaming are used together.

llvm-svn: 68155
 2009-03-31 22:37:52 +00:00
Devang Patel
afc1c1d405 Do not emit debug information for variables while generating optimized code. The llvm optimizer and code generator are not yet ready to support optimized code debugging. 
llvm-svn: 67876
 2009-03-27 23:16:32 +00:00
Chris Lattner
984fac5f5f most of this is plumbing to get CompileOptions down into 
CodeGenModule.  Once there, add a new NoCommon option to
it and implement -fno-common.

llvm-svn: 67735
 2009-03-26 05:00:52 +00:00
Chris Lattner
e64911a4ae switch getBuiltinLibFunction to use the new GetOrCreateLLVMFunction 
functionality, fixing a crash on the attached testcase.  Eliminate the
BuiltinFunctions cache, as it can contain dangling pointers.  This fixes
a bunch of valgrind errors on test/CodeGen/builtins.c

llvm-svn: 67484
 2009-03-22 21:56:56 +00:00
Chris Lattner
5404169327 emit aliases as the definitions fly by, don't bother deferring until 
the end of the module.

llvm-svn: 67482
 2009-03-22 21:47:11 +00:00
Chris Lattner
d480892445 pull "runtime globals" into the same framework as other functions/global variables. 
No intended functionality change.

llvm-svn: 67478
 2009-03-22 21:03:39 +00:00
Chris Lattner
45470943a9 now that all the decl reference and creation stuff is going through two 
very simple places, reimplement the deferred decl emission logic to not be O(N^2),
fixing PR3810.

llvm-svn: 67447
 2009-03-21 09:44:56 +00:00
Chris Lattner
a85d68e5d8 fix a crash that could occur when a variable declaration became a 
function definition.

llvm-svn: 67446
 2009-03-21 09:25:43 +00:00
Chris Lattner
149927c9f8 simplify and cleanup global variable creation stuff to all go through one 
code path.

llvm-svn: 67445
 2009-03-21 09:16:30 +00:00
Chris Lattner
832323ea41 simplify management of llvm::Function creation to all go through 
GetAddrOfFunction.  This is simpler and more efficient.

llvm-svn: 67444
 2009-03-21 08:53:37 +00:00
Chris Lattner
5eaee5692c code cleanups, rename EmitForwardFunctionDefinition -> 
CreateFunctionPrototypeIR, though my next patch will eliminate
it entirely.

llvm-svn: 67443
 2009-03-21 08:38:50 +00:00
Chris Lattner
3bfce1887f simplify some more code. 
llvm-svn: 67439
 2009-03-21 08:03:33 +00:00
Chris Lattner
0c5e3132aa simplify and comment some code better. Make BindRuntimeGlobals 
more optimistic that it will work (optimizing for the common case).

llvm-svn: 67438
 2009-03-21 07:48:31 +00:00
Daniel Dunbar
4e004ed124 IRgen support for alias of global variable. 
- PR3818.

llvm-svn: 67297
 2009-03-19 08:27:24 +00:00
Daniel Dunbar
99d2835099 Backout r66408, we don't want handling of globals to rely on the 
module symbol table. The root problem inspiring this was fixed in
r66316 (and again in r66506).

llvm-svn: 66512
 2009-03-09 23:53:08 +00:00
Mike Stump
e3193ff452 Be sure to never create two functions with the same name, instead arrange to 
reuse the prior one.

llvm-svn: 66408
 2009-03-09 06:40:26 +00:00
Sebastian Redl
7dce7723ba Some struct/class mismatch fixes, to silence MSVC warnings. 
llvm-svn: 66335
 2009-03-07 12:16:37 +00:00
Daniel Dunbar
7aecee998c (LLVM svn up) Generalize RuntimeFunctions to RuntimeGlobals and add 
CodeGenModule::CreateRuntimeVariable.

 - No real functionality change; although we now assert on silly
   things like:
--
int objc_exception_throw;
void f0() { @throw(@"A"); }
--
   instead of accepting it.

llvm-svn: 66292
 2009-03-06 22:13:30 +00:00
Mike Stump
6c39666a77 Move more of the blocks code up and out. 
llvm-svn: 66046
 2009-03-04 18:47:42 +00:00
Mike Stump
95435674f9 Move more of blocks codegen out of CodeGenModule and into the 
BlockModule.  No functionality change.  This should help people that
don't want to know anything about blocks not be confused by the
overloaded use of the term block or nor want to see all the blocks
goop.

llvm-svn: 66042
 2009-03-04 18:17:45 +00:00
Mike Stump
edb252aeba Start the migration of more of the blocks code out of sight for most 
people.  De-duplicates BLOCK_NEEDS_FREE and friends.

llvm-svn: 66034
 2009-03-04 15:32:52 +00:00
Mike Stump
97d01d50d9 Improved ABI compliance for __block variables. No testcases yet as we 
still give an unsupported error for them due to the fact this is a
work in progress.

llvm-svn: 66007
 2009-03-04 03:23:46 +00:00
Mike Stump
537abb0dec Fix PR3612. We ensure that we add builtins to the GlobalDeclMap and 
we ensure that things added to the module can be found even when they
are not in GlobalDeclMap.  The later is for increased flexibility,
should someone want to do something tricky like extern "Ada" in the
same module.

llvm-svn: 65657
 2009-02-27 22:42:30 +00:00
Chris Lattner
d7e7b8e411 first wave of fixes for @encode sema support. This is part of PR3648. 
The big difference here is that (like string literal) @encode has 
array type, not pointer type.

llvm-svn: 65391
 2009-02-24 22:18:39 +00:00
Anders Carlsson
729a8202d0 Prevent accidental copying of CodeGenFunction and CodeGenModule. 
llvm-svn: 65372
 2009-02-24 04:21:31 +00:00
Daniel Dunbar
f0acf7bd4c Don't emit K&R unprototyped function definitions as varargs. 
- <rdar://problem/6584606> clang/x86-64 - too many reg saves

llvm-svn: 65032
 2009-02-19 07:15:39 +00:00
Mike Stump
5d2534ada7 More codegen for blocks. The type of block literals should be better. 
The size calculation is improved.

llvm-svn: 64994
 2009-02-19 01:01:04 +00:00
Douglas Gregor
5f361c9f1e Address Chris's comments regarding C++ name mangling. 
llvm-svn: 64984
 2009-02-18 23:53:56 +00:00
Daniel Dunbar
38ad1e6138 Change EmitConstantExpr to allow failure. 
IRgen no longer relies on isConstantInitializer, instead we just try
to emit the constant. If that fails then in C we emit an error
unsupported (this occurs when Sema accepted something that it doesn't
know how to fold, and IRgen doesn't know how to emit) and in C++ we
emit a guarded initializer.

This ends up handling a few more cases, because IRgen was actually
able to emit some of the constants Sema accepts but can't Evaluate().
For example, PR3398.

llvm-svn: 64780
 2009-02-17 18:43:32 +00:00
Mike Stump
0e7d7b68c8 Use getNameAsCString instead of getNameAsString and reflow the type. 
Thanks Anders.

llvm-svn: 64571
 2009-02-14 22:49:33 +00:00
Mike Stump
2d5a2878d4 Generate the helper function for blocks. Now basic codegen is 
starting to work for blocks.

llvm-svn: 64570
 2009-02-14 22:16:35 +00:00
Daniel Dunbar
128a138a57 IRgen support for attribute used. 
- PR3566

llvm-svn: 64492
 2009-02-13 22:08:43 +00:00
Daniel Dunbar
6b8720e723 Pull MayDeferGeneration out of EmitGlobal. 
- Fix emission of static functions with constructor attribute while I
   was here.
<rdar://problem/6140899> [codegen] "static" and attribute-constructor interact poorly

llvm-svn: 64488
 2009-02-13 21:18:01 +00:00