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275 Commits

Author SHA1 Message Date
Chris Lattner
ddf6ca0355 the __gnuc_inline__ attribute is actually named __gnu_inline__, 
PR4023

llvm-svn: 69618
 2009-04-20 19:12:28 +00:00
Eli Friedman
4f856744e5 PR3853: Add CodeGen support for __thread. 
llvm-svn: 69545
 2009-04-19 21:05:03 +00:00
Chris Lattner
5f65cc8215 silence a warning, it isn't clear what the right answer is here, 
will talk to steve.

llvm-svn: 69519
 2009-04-19 06:59:18 +00:00
Douglas Gregor
e3dcb2ddd1 FunctionDecl::getBody() is getting an ASTContext argument for use in 
lazy PCH deserialization. Propagate that argument wherever it needs to
be. No functionality change, except that I've tightened up a few PCH
tests in preparation.

llvm-svn: 69406
 2009-04-18 00:02:19 +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
Daniel Dunbar
426b5cf16a Ensure that the most recent declaration of a tentative definition wins 
when generating a common definition.

llvm-svn: 69287
 2009-04-16 15:34:14 +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
Daniel Dunbar
346892aafc Comment fix. 
llvm-svn: 69091
 2009-04-14 22:41:13 +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
Daniel Dunbar
64a41cb39e Reduce indentation, no functionality change. 
llvm-svn: 69033
 2009-04-14 07:02:17 +00:00
Chris Lattner
92028dad66 defer emission of always_inline, extern_inline, and inline functions (when 
not in c89 mode).

llvm-svn: 69032
 2009-04-14 06:44:48 +00:00
Chris Lattner
169a5c963f give always_inline functions internal linkage. If they cannot be 
inlined for some reason, then we don't want a strong or even weak
definition.

llvm-svn: 69031
 2009-04-14 06:32:05 +00:00
Chris Lattner
256c9507c8 set the linkage of an inline function according to its language rules. 
llvm-svn: 69030
 2009-04-14 06:27:57 +00:00
Daniel Dunbar
29eff88fc8 Add a comment on SetGlobalValueAttributes. 
llvm-svn: 69029
 2009-04-14 06:19:49 +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
Chris Lattner
73920ce565 reduce indentation, no functionality change. 
llvm-svn: 69026
 2009-04-14 05:33:52 +00:00
Chris Lattner
6a0f907a5e do not set visibility on "private" or "available externally" linkage objects. 
llvm-svn: 69025
 2009-04-14 05:27:13 +00:00
Daniel Dunbar
4184ac847f Update to use hasAttr() instead of getAttr(). 
- No functionality change.

llvm-svn: 68987
 2009-04-13 21:08:27 +00:00
Steve Naroff
fb46e8658c Move/update recent FIXME (wrt UTF-8 checking for ObjC @-strings). 
llvm-svn: 68982
 2009-04-13 20:26:29 +00:00
Steve Naroff
84073ec51f Fixed crasher in <rdar://problem/6780904> [irgen] Assertion failed: (Result == conversionOK && "UTF-8 to UTF-16 conversion failed"), function GetAddrOfConstantCFString, file CodeGenModule.cpp, line 1063. 
Still a diagnostic related FIXME (will discuss with Daniel/Fariborz offline).

llvm-svn: 68975
 2009-04-13 19:08:08 +00:00
Daniel Dunbar
d272cca527 Internal variables could mistakenly have "hidden" visibility when 
their emission was deferred.
 - <rdar://problem/6775234> variables with internal linkage should not
   be exposed with -fvisibility=hidden.

llvm-svn: 68818
 2009-04-10 20:26:50 +00:00
Chris Lattner
5286e774ee reject codegen of __thread variables as unimplemented, rdar://6775265 
llvm-svn: 68755
 2009-04-10 00:35:59 +00:00
Douglas Gregor
bcced4ec31 Propagate the ASTContext to various AST traversal and lookup functions. 
No functionality change (really).

llvm-svn: 68726
 2009-04-09 21:40:53 +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
Daniel Dunbar
ea10ab668f Visibility attributes should only be set on definition. 
llvm-svn: 68561
 2009-04-07 22:36:33 +00:00
Daniel Dunbar
15894b791b Various fixes to symbols used for Obj-C x86_64 metadata. 
- Changed method names to match gcc (categories names still aren't
   mangled in).

 - Expose correct name for class and metadata symbols (although
   -fvisibility=hidden isn't yet correct).

 - Remove several things from llvm.used that didn't need to be there
   (I suspect this can still be trimmed).

 - Don't use asm-prefix extension for _objc_empty_{cache,vtable} (not
   needed).

 - Hide EH type class info with -fvisibility=hidden

 - Change setGlobal[Option]Visibility to not change the visibility of
   functions with internal linkage.

llvm-svn: 68510
 2009-04-07 05:48:37 +00:00
Anders Carlsson
468fa6366b Add some basic support for generating C++ member functions. 
llvm-svn: 68425
 2009-04-04 20:47:02 +00:00
Anton Korobeynikov
c847824e8e Basic support for regparm codegen 
llvm-svn: 68414
 2009-04-04 00:49:24 +00:00
Steve Naroff
55a719835d Add a comment/FIXME so Eli can sleep better:-)) 
llvm-svn: 68379
 2009-04-03 09:44:50 +00:00
Fariborz Jahanian
befc9dfbff Implement -fvisibility. 
llvm-svn: 68369
 2009-04-03 03:28:57 +00:00
Daniel Dunbar
fd6cfcffa2 Add target hook for setting symbol prefix and section of unicode 
string literals.

llvm-svn: 68363
 2009-04-03 00:57:44 +00:00
Anders Carlsson
cbaeb9e633 Emit code for linkage specifications. 
llvm-svn: 68300
 2009-04-02 05:55:18 +00:00
Steve Naroff
8d816d6cb5 CodeGenModule::GetAddrOfConstantCFString(): 
- Finish up support for converting UTF8->UTF16 to support ObjC @"string" constants.

Remove warning from CheckObjCString.

As the FIXME in the test case indicates, I still have a bug to work out (apparently with \u handling).

llvm-svn: 68245
 2009-04-01 21:16:31 +00:00
Steve Naroff
29cae66bde Add ConvertUTF module from http://www.unicode.org/Public/PROGRAMS/CVTUTF. 
#ifdef'd out the 5 conversion routines that we don't currently need.

Still need a bit more work in GetAddrOfConstantCFString(). Added a FIXME to indicate this.

Expect to remove the FIXME today...

llvm-svn: 68208
 2009-04-01 15:50:34 +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
d18136a644 fix the two xfails I added with a previous patch by making ObjC interface 
types get completed when their definition is seen if previously laid out by
the code generator.

llvm-svn: 68177
 2009-04-01 02:36:43 +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
Daniel Dunbar
08b216abf1 Add Target hooks for IRgen of [cf]string literals. 
- Notably, set section on cfstring literal string data (for now, this
   is done everywhere because it matches what we were already doing
   for the CFString data itself)

 - <rdar://problem/6599098> [irgen] linker requires objc string data
   to go into cstring

llvm-svn: 68160
 2009-03-31 23:42:16 +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
Chris Lattner
2739d2bbe6 remove some obsolete comments, use an AssertingVH. 
llvm-svn: 68151
 2009-03-31 22:17:44 +00:00
Eli Friedman
7044b76707 Finish off semantic analysis for regparm, and remove the warning. Also 
remove a redundant error in CodeGen.

llvm-svn: 67868
 2009-03-27 21:06:47 +00:00
Fariborz Jahanian
a2d609e2f1 Besides the warning, issue unsupported diagnostics in 
ir gen. No intended change in functionality.

llvm-svn: 67857
 2009-03-27 18:38:55 +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
827a3552a4 make alias definition logic more similar to functions/globals. 
llvm-svn: 67481
 2009-03-22 21:39:12 +00:00
Chris Lattner
a5ae54acc4 fix PR3200 by making alias emission use the new infrastructure. Fold 
some tests into the alias.c file.

llvm-svn: 67479
 2009-03-22 21:21:57 +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
75acb0c356 fix a fixme: non-proto struct returning function definitions should be compiled 
to something like:
define void @bar(%struct.foo* noalias sret %agg.result) nounwind {
instead of:
define void @bar(%struct.foo* noalias sret %agg.result, ...) nounwind {

llvm-svn: 67475
 2009-03-22 19:35:37 +00:00
Chris Lattner
4ff71de880 set function/global names with setName instead of passing the name into the 
ctor function.  This avoids creating a temporary std::string for the name,
speeding up the testcase in PR3810 by 3.8%

llvm-svn: 67457
 2009-03-22 00:12:30 +00:00
Fariborz Jahanian
629aed9327 Issue error if variables are defined inside an objc class, 
category or protocol.

llvm-svn: 67450
 2009-03-21 18:06:45 +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
6574906818 fix several problems with asm renaming, by pulling it into the mangling code: 
1. it wasn't applying to definitions, only declarations, e.g. int x __asm("foo")
2. multiple definitions were conflicting, they weren't getting merged.
3. the code was duplicated in several places.

llvm-svn: 67442
 2009-03-21 08:24:40 +00:00
Chris Lattner
64c55933ed add some fixmes 
llvm-svn: 67441
 2009-03-21 08:13:05 +00:00
Chris Lattner
a9cb6261bf reduce redundant calls of getMangledName. 
llvm-svn: 67440
 2009-03-21 08:06:59 +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
Chris Lattner
3637652ab3 random code cleanups. 
llvm-svn: 67437
 2009-03-21 07:12:05 +00:00
Chris Lattner
6098e62d56 remove obviously dead code: you can't bitcast a pointer to "Ty" (a function type). 
llvm-svn: 67436
 2009-03-21 06:58:21 +00:00
Chris Lattner
9e8120e067 avoid making constant folding logic eliminate obviously dead bitcasts, speeding up PR3810 
by ~2%.

llvm-svn: 67434
 2009-03-21 06:53:34 +00:00
Chris Lattner
725a26b818 Add a fast path to CodeGenModule::getMangledName for almost all C functions, 
speeding up the testcase in PR3810 by 60%.

llvm-svn: 67431
 2009-03-21 06:31:09 +00:00
Daniel Dunbar
4e004ed124 IRgen support for alias of global variable. 
- PR3818.

llvm-svn: 67297
 2009-03-19 08:27:24 +00:00
Fariborz Jahanian
3654e65adf objc: Implemented variables declared in class interface 
whose sema decl is at the translation unit.

llvm-svn: 67249
 2009-03-18 22:33:24 +00:00
Duncan Sands
1918413137 Adjust for linkage name change. 
llvm-svn: 66691
 2009-03-11 20:15:27 +00:00
Duncan Sands
bdf086f7c0 Correct for change of this name in LLVM. 
llvm-svn: 66652
 2009-03-11 08:40:02 +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
Eli Friedman
4663a3368d Make constant emission for @encode use the common string emission code. 
This is a bit cleaner, and also "fixes" bad code that compares the 
addresses of the string constants.

llvm-svn: 66346
 2009-03-07 20:17:55 +00:00
Mike Stump
a6ca334389 Fixup our uses of various linkages to match how llvm now works. I think they are all 
correct, but an extra set of ObjC eyes would be good.

llvm-svn: 66342
 2009-03-07 16:33:28 +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
Daniel Dunbar
8e79b8491f IRgen support for weak_import. 
- <rdar://problem/6652110> clang should support weak_import

llvm-svn: 66270
 2009-03-06 16:20:49 +00:00
Daniel Dunbar
f804897ee9 Don't mangle names of local variables. 
- For one thing, this adds unneeded overhead; for another, this
   routine can be used to emit unnamed decls which we shouldn't try to
   mangle.

llvm-svn: 66212
 2009-03-05 22:59:19 +00:00
Eli Friedman
cecc21d2f6 Make IRGen compatible with declaring a function with incomplete 
return/argument types.  (The generated IR isn't ideal, but we can't 
really do better in general.)

llvm-svn: 66132
 2009-03-05 04:18:07 +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
Daniel Dunbar
5b9e9682f1 Support "asm" renaming of external symbols. 
- PR3698.

llvm-svn: 66038
 2009-03-04 17:31:19 +00:00
Daniel Dunbar
0f3403cb5a Don't set nounwind on functions when in using the new Obj-C ABI. 
llvm-svn: 65806
 2009-03-02 04:58:03 +00:00
Chris Lattner
a01c21f616 simplify some code. 
llvm-svn: 65782
 2009-03-01 18:47:06 +00:00
Anders Carlsson
655129990a Initialize NSConcreteStackBlock 
llvm-svn: 65749
 2009-03-01 01:17:11 +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
Eli Friedman
97e070ed68 Minor cleanup: use getDeclAlignInBytes helper. 
llvm-svn: 65611
 2009-02-27 04:11:37 +00:00
Chris Lattner
d42c29f9a2 fix some sema problems with wide strings and hook up basic codegen for them. 
llvm-svn: 65582
 2009-02-26 23:01:51 +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
Daniel Dunbar
3c81dabd76 Emit extern_weak when needed. 
- PR3629.

llvm-svn: 65203
 2009-02-21 00:24:10 +00:00
Eli Friedman
719ed1a9ab Initialize the Init variable to something reasonable when we emit an 
error, so we don't crash.

llvm-svn: 65099
 2009-02-20 01:18:21 +00:00
Anders Carlsson
f96954ca30 Add irgen support for the noinline attribute. 
llvm-svn: 65056
 2009-02-19 19:22:11 +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
Daniel Dunbar
b2f4cdb233 Emission of global variable initialializer was broken in rare 
situation where a tentative decl was emitted *after* the actual
initialization. This occurs in some rare situations with static decls.
 - PR3613.

 - I'm not particularly happy with this fix, but I don't see a simpler
   or more elegant solution yet.

llvm-svn: 65018
 2009-02-19 05:36:41 +00:00