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144 Commits

Author SHA1 Message Date
Alexey Samsonov 9b502e512c Initialize debug info for special cases of functions that lack declarations and are generated by Clang (global initializers/destructors, thunks) . Fixes PR13942. 
llvm-svn: 166676
 2012-10-25 10:18:50 +00:00
Douglas Gregor 47c089624f Remove the HiddenWeakTemplateVTables CodeGen option. It's currently unused. 
llvm-svn: 166561
 2012-10-24 14:11:55 +00:00
David Blaikie eb7d598cec PR13684: Emit vtable entries for deleted functions as __cxa_deleted_function. 
This is consistent/interoperable with GCC 4.7 (& __cxa_deleted_function isn't
present in 4.4 - not sure when it got added, but you'll need something with
that function available for this to work).

llvm-svn: 166069
 2012-10-16 22:56:05 +00:00
Rafael Espindola 86792438dc Call CGM.SetLLVMFunctionAttributesForDefinition on thunks so that they get 
attributes like uwtable. Without uwtable a stack unwinder would be unable
to go past the thunks.

llvm-svn: 164411
 2012-09-21 20:39:32 +00:00
Benjamin Kramer 6ca4210d3a Update clang for API change. 
llvm-svn: 164218
 2012-09-19 13:13:52 +00:00
Eli Friedman 00755e9554 Fix thunk emission for covariant virtual functions in cases which require 
both a virtual and a non-virtual offset. PR13832.

llvm-svn: 163866
 2012-09-14 01:45:09 +00:00
Eli Friedman 48a3291675 Fix line endings. 
llvm-svn: 163865
 2012-09-14 01:19:01 +00:00
John McCall ff755cda9c Don't crash *or* insert a bogus autorelease when emitting a 
this-adjustment thunk in ARC++.

llvm-svn: 161014
 2012-07-31 00:33:55 +00:00
Joao Matos 718a883c5f Fixed whitespace issue introduced in r160373. 
llvm-svn: 160388
 2012-07-17 19:17:58 +00:00
Joao Matos 2ce88ef9a7 [Windows] Abstract pure virtual method calls in the ABI. Fix the Windows ABI to forward to the correct function. 
llvm-svn: 160373
 2012-07-17 17:10:11 +00:00
John McCall 8dda7b27ee Distinguish more carefully between free functions and C++ instance methods 
in the ABI arrangement, and leave a hook behind so that we can easily
tweak CCs on platforms that use different CCs by default for C++
instance methods.

llvm-svn: 159894
 2012-07-07 06:41:13 +00:00
Benjamin Kramer e6b4a16ddd Fix a use-after-free in thunk emission. EmitThunk may call RAUW on Init, invalidating the pointer. 
Fixes PR12284. The test case only triggered under asan/valgrind, but it's better than nothing.

llvm-svn: 153120
 2012-03-20 20:18:13 +00:00
David Blaikie bbafb8a745 Unify naming of LangOptions variable/get function across the Clang stack (Lex to AST). 
The member variable is always "LangOpts" and the member function is always "getLangOpts".

Reviewed by Chris Lattner

llvm-svn: 152536
 2012-03-11 07:00:24 +00:00
John McCall a729c62b81 Whether an argument is required (in contrast with being an 
optional argument passed through the variadic ellipsis)
potentially affects how we need to lower it.  Propagate
this information down to the various getFunctionInfo(...)
overloads on CodeGenTypes.  Furthermore, rename those
overloads to clarify their distinct purposes, and make
sure we're calling the right one in the right place.
This has a nice side-effect of making it easier to construct
a function type, since the 'variadic' bit is no longer
separable.

This shouldn't really change anything for our existing
platforms, with one minor exception --- we should now call
variadic ObjC methods with the ... in the "right place"
(see the test case), which I guess matters for anyone
running GNUStep on MIPS.  Mostly it's just a substantial
clean-up.

llvm-svn: 150788
 2012-02-17 03:33:10 +00:00
Eli Friedman 9fbeba0d8e Basic support for referring to captured variables from lambdas. Some simple examples seem to work. Tests coming up soon. 
llvm-svn: 150293
 2012-02-11 02:57:39 +00:00
Chris Lattner ece0409a1a simplify a bunch of code to use the well-known LLVM IR types computed by CodeGenModule. 
llvm-svn: 149943
 2012-02-07 00:39:47 +00:00
Dylan Noblesmith 2c1dd2716a Basic: import SmallString<> into clang namespace 
(I was going to fix the TODO about DenseMap too, but
that would break self-host right now. See PR11922.)

llvm-svn: 149799
 2012-02-05 02:13:05 +00:00
Dylan Noblesmith e27789991d Basic: import OwningPtr<> into clang namespace 
llvm-svn: 149798
 2012-02-05 02:12:40 +00:00
Peter Collingbourne cfd2356180 Move VTable builder to AST 
llvm-svn: 140510
 2011-09-26 01:57:12 +00:00
Peter Collingbourne 1c593c6a38 Have CodeGenVTables::GenerateConstructionVTable use VTableLayout 
llvm-svn: 140509
 2011-09-26 01:57:04 +00:00
Peter Collingbourne 085095f1ac Move vtable dumper call to VTableBuilder ctor 
llvm-svn: 140508
 2011-09-26 01:57:00 +00:00
Peter Collingbourne 3b118abd93 Implement VTableContext::createConstructionVTableLayout 
llvm-svn: 140507
 2011-09-26 01:56:55 +00:00
Peter Collingbourne affe111ba5 Move all vtable layout data into new VTableLayout class 
llvm-svn: 140506
 2011-09-26 01:56:50 +00:00
Peter Collingbourne cd3c3f4f3d Move VTableComponent to header file 
llvm-svn: 140505
 2011-09-26 01:56:45 +00:00
Peter Collingbourne 5ee9ee490e Move vtable component accessors to VTableContext 
llvm-svn: 140504
 2011-09-26 01:56:41 +00:00
Peter Collingbourne 71c26936a0 Remove CodeGenVTables::ComputeVTableRelatedInformation dependency on CodeGen 
llvm-svn: 140503
 2011-09-26 01:56:36 +00:00
Peter Collingbourne a834166e48 Create a VTableContext class and start moving CodeGenVTables methods to it 
llvm-svn: 140502
 2011-09-26 01:56:30 +00:00
David Blaikie aa347f9392 Removing a bunch of dead returns/breaks after llvm_unreachables. 
llvm-svn: 140407
 2011-09-23 20:26:49 +00:00
David Blaikie 83d382b1ca Switch assert(0/false) llvm_unreachable. 
llvm-svn: 140367
 2011-09-23 05:06:16 +00:00
Douglas Gregor e8bbc12152 Extend the ASTContext constructor to delay the initialization of 
builtin types (When requested). This is another step toward making
ASTUnit build the ASTContext as needed when loading an AST file,
rather than doing so after the fact. No actual functionality change (yet).

llvm-svn: 138985
 2011-09-02 00:18:52 +00:00
Eli Friedman f5dfb31df0 Revert bad change. (It may look equivalent, but it isn't.) 
llvm-svn: 137132
 2011-08-09 18:16:09 +00:00
Eli Friedman f481ccafd8 Cleanup; no functionality change. 
llvm-svn: 137126
 2011-08-09 17:38:12 +00:00
Chris Lattner 0e62c1cc0b remove unneeded llvm:: namespace qualifiers on some core types now that LLVM.h imports 
them into the clang namespace.

llvm-svn: 135852
 2011-07-23 10:55:15 +00:00
Chris Lattner 2192fe50da de-constify llvm::Type, patch by David Blaikie! 
llvm-svn: 135370
 2011-07-18 04:24:23 +00:00
Chris Lattner 8806e32f16 Rename CGT::VerifyFuncTypeComplete to isFuncTypeConvertible since 
it is a predicate, not an action.  Change the return type to be a bool,
not the incomplete member.  Enhace it to detect the recursive compilation
case, allowing us to compile Eli's testcase on llvmdev:

struct T {
 struct T (*p)(void);
} t;

into:

%struct.T = type { {}* }

@t = common global %struct.T zeroinitializer, align 8

llvm-svn: 134853
 2011-07-10 00:18:59 +00:00
Jay Foad 83be361b8a Replace the existing forms of ConstantArray::get() with a single form 
that takes an ArrayRef.

llvm-svn: 133615
 2011-06-22 09:24:39 +00:00
Anders Carlsson d6f1518cc9 Fix another regression from the "skip vtable pointer initialization" 
optimization. Make sure to require a vtable when trying to get the address
of a VTT, otherwise we would never end up emitting the VTT.

llvm-svn: 131400
 2011-05-16 04:08:36 +00:00
Eli Friedman 49a94b1c7c Add an implementation of thunks for varargs methods. The implementation is a bit messy, but it is correct as long as the method in question doesn't use indirect gotos. A couple of possible alternative implementations are outlined in FIXME's in this patch. rdar://problem/8077308 . 
llvm-svn: 130993
 2011-05-06 17:27:27 +00:00
Eli Friedman 43dca6a8d2 Simplify code a bit by using CallArgList::add. No intended functionality change. 
llvm-svn: 130699
 2011-05-02 17:57:46 +00:00
Anders Carlsson e5ec21c977 Change CollectPrimaryBases to collect the bases in the right order. Fixes one half of PR9660. 
llvm-svn: 129252
 2011-04-10 18:00:32 +00:00
Anders Carlsson 68aad14dd3 Make -fdump-vtable-layouts also dump vtable indices for all virtual member functions in the class. 
llvm-svn: 129250
 2011-04-10 17:42:45 +00:00
Ken Dyck bb4e977218 [Reapply r128776, modified so that it does not break debug info.] 
Change the return type of CodeGenVTables::getVirtualBaseOffsetOffset() to
CharUnits. No change in functionality intended.

llvm-svn: 129072
 2011-04-07 12:37:09 +00:00
Ken Dyck 3a09bc5ab0 [Reapply r128773. This is not the source of the issues Devang was seeing 
with debug info.]

Use CharUnits for the offsets in the VirtualBaseClassOffsetOffsetsMapTy. No
change in functionality intended.

llvm-svn: 129048
 2011-04-07 01:22:42 +00:00
Ken Dyck 25c82240e9 [Reapply r128771. It wasn't the source of the issues Devang saw with debug 
info.]

Use CharUnits for the offset type in the ClassNamesAndOffsets map in
dumpLayout(). No change in functionality intended.

llvm-svn: 129046
 2011-04-07 00:59:42 +00:00
Ken Dyck 42a9d29c2c Reapply r128770. It's not the cause of the issues Devang saw with debug info. 
Use CharUnits for the offsets in the VBaseOffsetOffsetsMapTy types. No
change in functionality intended.

llvm-svn: 129043
 2011-04-07 00:55:01 +00:00
Devang Patel 84852bbb42 Revert r128770, r128771, r128773 and r128776 for now. It breaks debug info. 
llvm-svn: 128842
 2011-04-04 20:36:06 +00:00
Ken Dyck 1473c9a7c4 Change the return type of CodeGenVTables::getVirtualBaseOffsetOffset() to 
CharUnits. No change in functionality intended.

llvm-svn: 128776
 2011-04-02 17:52:22 +00:00
Ken Dyck 1b23db93df Use CharUnits for the offsets in the VirtualBaseClassOffsetOffsetsMapTy. No 
change in functionality intended.

llvm-svn: 128773
 2011-04-02 17:13:02 +00:00
Ken Dyck cf4ef5314f Use CharUnits for the offset type in the ClassNamesAndOffsets map in 
dumpLayout(). No change in functionality intended.

llvm-svn: 128771
 2011-04-02 17:03:24 +00:00
Ken Dyck 1eac9f1546 Use CharUnits for the offsets in the VBaseOffsetOffsetsMapTy types. No 
change in functionality intended.

llvm-svn: 128770
 2011-04-02 16:57:20 +00:00