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193 Commits

Author SHA1 Message Date
Anders Carlsson 1749083e2e Fill in the return value slot in CGExprAgg::VisitCallExpr. This takes us halfway towards fixing PR5824. 
llvm-svn: 92142
 2009-12-24 20:40:36 +00:00
Anders Carlsson 61a401caec Pass ReturnValueSlot to EmitCall. No functionality change yet. 
llvm-svn: 92138
 2009-12-24 19:25:24 +00:00
Nuno Lopes 7251327d75 implement PR5274: mark 'restrict' parameters as noalias 
llvm-svn: 90778
 2009-12-07 18:30:06 +00:00
Eli Friedman 4b1942cb8b Make functions returning a struct indirectly evaluate the returned struct 
directly into the sret pointer. This is an optimization in C, but is required
for correctness in C++ for classes with a non-trivial copy constructor.

llvm-svn: 90526
 2009-12-04 02:43:40 +00:00
Anders Carlsson 82ba57c8f0 Add VTT parameter to base ctors/dtors with virtual bases. (They aren't used yet). 
llvm-svn: 89835
 2009-11-25 03:15:49 +00:00
Anders Carlsson 6445773279 It is common for vtables to contain pointers to functions that have either incomplete return types or incomplete argument types. 
Handle this by returning the llvm::OpaqueType for those cases, which CodeGenModule::GetOrCreateLLVMFunction knows about, and treats as being an "incomplete function".

llvm-svn: 89736
 2009-11-24 05:08:52 +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
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
Daniel Dunbar c369d73405 Set OptimizeForSize LLVM function attribute with -Os. 
llvm-svn: 85278
 2009-10-27 19:48:08 +00:00
Daniel Dunbar b5aacc282c Twinify CodeGenFunction::CreateTempAlloca 
llvm-svn: 84456
 2009-10-19 01:21:05 +00:00
Benjamin Kramer dde0fee82e Use new predicates for some type equality tests. 
llvm-svn: 83303
 2009-10-05 13:47:21 +00:00
Anders Carlsson 2ee3c011d9 Implement code generation of member function pointer calls. Fixes PR5121. 
llvm-svn: 83271
 2009-10-03 19:43:08 +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
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
Anders Carlsson 20759ad54c x86-64 ABI: If a type is a C++ record with either a non-trivial destructor or a non-trivial copy constructor, it should be passed in a pointer. Daniel, plz review. 
llvm-svn: 82050
 2009-09-16 15:53:40 +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
Daniel Dunbar bbaeca4fef Set the calling convention based on the CGFunctionInfo. 
llvm-svn: 81582
 2009-09-11 22:25:00 +00:00
Daniel Dunbar 7feafc70d9 Add CallingConvention argument to CGFunctionInfo. 
- Currently unused.

llvm-svn: 81581
 2009-09-11 22:24:53 +00:00
Mike Stump 11289f4280 Remove tabs, and whitespace cleanups. 
llvm-svn: 81346
 2009-09-09 15:08:12 +00:00
Owen Anderson 41a750271b Update for LLVM API change. 
llvm-svn: 78946
 2009-08-13 21:57:51 +00:00
Ryan Flynn 1f1fdc070e map previously ignored __attribute((malloc)) to noalias attribute of llvm function's return 
llvm-svn: 78541
 2009-08-09 20:07:29 +00:00
Anders Carlsson b8be93fc92 Add support for global initializers. 
llvm-svn: 78515
 2009-08-08 23:24:23 +00:00
Daniel Dunbar 4074b93184 Use Twine instead of utostr 
llvm-svn: 77848
 2009-08-02 01:43:57 +00:00
Owen Anderson 0b75f23b94 Update for LLVM API change. 
llvm-svn: 77722
 2009-07-31 20:28:54 +00:00
John McCall caa1945306 Allow functions to be marked "implicit return zero" and so mark main(). 
Codegen by initializing the return value with its LLVM type's null value.

llvm-svn: 77288
 2009-07-28 01:00:58 +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
Argyrios Kyrtzidis cfbfe78e9e De-ASTContext-ify DeclContext. 
Remove ASTContext parameter from DeclContext's methods. This change cascaded down to other Decl's methods and changes to call sites started "escalating".
Timings using pre-tokenized "cocoa.h" showed only a ~1% increase in time run between and after this commit.

llvm-svn: 74506
 2009-06-30 02:36:12 +00:00
Argyrios Kyrtzidis b4b64ca752 Remove the ASTContext parameter from the attribute-related methods of Decl. 
The implementations of these methods can Use Decl::getASTContext() to get the ASTContext.

This commit touches a lot of files since call sites for these methods are everywhere.
I used pre-tokenized "carbon.h" and "cocoa.h" headers to do some timings, and there was no real time difference between before the commit and after it.

llvm-svn: 74501
 2009-06-30 02:34:44 +00:00
Bill Wendling 1835107ed0 Make the StackProtector bitfield use enums instead of obscure numbers. 
llvm-svn: 74414
 2009-06-28 23:01:01 +00:00
Bill Wendling d63bbadbef Add stack protector support to clang. This generates the 'ssp' and 'sspreq' 
function attributes. There are predefined macros that are defined when stack
protectors are used: __SSP__=1 with -fstack-protector and __SSP_ALL__=2 with
-fstack-protector-all.

llvm-svn: 74405
 2009-06-28 07:36:13 +00:00
Chris Lattner 4c8da96ea9 fix PR4423. 
llvm-svn: 73938
 2009-06-23 01:38:41 +00:00
Douglas Gregor 78bd61f661 Move the static DeclAttrs map into ASTContext. Fixes <rdar://problem/6983177>. 
llvm-svn: 73702
 2009-06-18 16:11:24 +00:00
Chris Lattner 4ca97c3b9e Fix PR4372, another case where non-prototyped functions can prevent 
always_inline from working.

llvm-svn: 73273
 2009-06-13 00:26:38 +00:00
Anton Korobeynikov 18adbf5f07 Add new ABIArgInfo kind: Extend. This allows target to implement its own argument 
zero/sign extension logic (consider, e.g. target has only 64 bit registers and thus
i32's should be extended as well).

llvm-svn: 72998
 2009-06-06 09:36:29 +00:00
Anton Korobeynikov 244360d62b Factor out TargetABIInfo stuff into separate file. No functionality change. 
llvm-svn: 72962
 2009-06-05 22:08:42 +00:00
Devang Patel 9e24386c65 Set function Attribute::NoImplicitFloat appropriately. 
llvm-svn: 72961
 2009-06-05 22:05:48 +00:00
Daniel Dunbar 4be99ff767 ABI handling: Fix nasty thinko where IRgen could generate an out-of-bounds read 
when generating a coercion for ABI handling purposes.
 - This may only manifest itself when building at -O0, but the practical effect
   is that other arguments may get clobbered.

 - <rdar://problem/6930451> [irgen] ABI coercion clobbers other arguments

llvm-svn: 72932
 2009-06-05 07:58:54 +00:00
Devang Patel 6e467b1a46 Set function attribute llvm::Attribute::NoRedZone appropriately. 
llvm-svn: 72902
 2009-06-04 23:32:02 +00:00
Daniel Dunbar 1518b64ddc When trying to pass an argument on the stack, assume LLVM will do the right 
thing for non-aggregate types.
 - Otherwise we unnecessarily pin values to the stack and currently end up
   triggering a backend bug in one case.

 - This loose cooperation with LLVM to implement the ABI is pretty ugly.

 - <rdar://problem/6918722> [irgen] clang miscompile of many pointer varargs on
   x86-64

llvm-svn: 72419
 2009-05-26 16:37:37 +00:00
Daniel Dunbar 499f3f9c5d x86_64 ABI: Account for sret parameters consuming an integer register. 
- PR4242.

llvm-svn: 72268
 2009-05-22 17:33:44 +00:00
Torok Edwin 5b34933b90 Set correct calling convention even if there is a bitcast in the way. 
This attempts to fix PR4239.

llvm-svn: 72251
 2009-05-22 07:25:06 +00:00
Jay Foad 7d0479f2c2 Use v.data() instead of &v[0] when SmallVector v might be empty. 
llvm-svn: 72210
 2009-05-21 09:52:38 +00:00
Anders Carlsson 6f5a015bd9 Add EmitReferenceBindingToExpr. Have EmitCallArg use it for now. Doesn't support anything but at least we don't crash ;) 
llvm-svn: 72147
 2009-05-20 00:24:07 +00:00
Anders Carlsson 8370964257 Pass the destination QualType to EmitStoreOfScalar. No functionality change. 
llvm-svn: 72118
 2009-05-19 18:50:41 +00:00
Eli Friedman cec35d7e6a Clean up some unnecessary includes. 
llvm-svn: 72101
 2009-05-19 04:30:57 +00:00
Mike Stump 18bb9284ff Reflow some comments. 
llvm-svn: 71937
 2009-05-16 07:57:57 +00:00
Daniel Dunbar ffdb8439d7 ABI handling: Fix invalid assertion, it is possible for a valid 
coercion to be specified which truncates padding bits. It would be
nice to still have the assert, but we don't have any API call for the
unpadding size of a type yet.

llvm-svn: 71695
 2009-05-13 18:54:26 +00:00
Chris Lattner bea5b622be static methods don't get this pointers. 
llvm-svn: 71586
 2009-05-12 20:27:19 +00:00
Daniel Dunbar bbfd054746 Darwin x86-32 ABI: Now that structure passing is farther along, we 
don't need special treatment for unions.

llvm-svn: 71559
 2009-05-12 17:00:20 +00:00
Daniel Dunbar 203e2e8dd8 x86-64 ABI: clang incorrectly passes union { long double, float } in 
register.
 - Merge algorithm was returning MEMORY as it should.

llvm-svn: 71556
 2009-05-12 15:22:40 +00:00