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* minor refactoring of -fapple-kext stuff.Fariborz Jahanian2011-02-041-8/+6
| | | | llvm-svn: 124837
* What was I thinking?Fariborz Jahanian2011-02-041-3/+1
| | | | llvm-svn: 124835
* -fapple-kext cannot have 'weak' visibility in thisFariborz Jahanian2011-02-041-15/+32
| | | | | | abi. llvm-svn: 124834
* Revert 124768.Rafael Espindola2011-02-031-15/+8
| | | | | | | This reopens PR99114, but that one at least can be avoided with an #include. PR9130 cannot. llvm-svn: 124780
* Don't try to mark virtual members referenced for classes where the key functionAnders Carlsson2011-02-031-8/+15
| | | | | | | | | | | is not defined in the current translation unit. Doing so lead to compile errors such as PR9114. Instead, when CodeGen is building the vtable, don't try to emit a definition for functions that aren't marked used in the current translation unit. Fixes PR9114. llvm-svn: 124768
* Revert 124633. The linker has been told how to merge available_externally.Rafael Espindola2011-02-011-1/+2
| | | | llvm-svn: 124651
* Set visibility for available_externally globals. This is important for two ↵Rafael Espindola2011-02-011-2/+1
| | | | | | | | | | reasons: * llvm-link would complains about mismatched visibility * If we produce a relocation with an available_externally, it is good to know that it is hidden. llvm-svn: 124633
* When building with optimizations, emit vtables where the key is not in the Anders Carlsson2011-01-301-0/+6
| | | | | | | | | | | | | | | | | | | | | | | current translation unit as available_externally. This helps devirtualize the second example in PR3100, comment 18: struct S { S() {}; virtual void xyzzy(); }; inline void foo(S *s) { s->xyzzy(); } void bar() { S s; foo(&s); } This involved four major changes: 1. In DefineUsedVTables, always mark virtual member functions as referenced for non-template classes and class template specializations. 2. In CodeGenVTables::ShouldEmitVTableInThisTU return true if optimizations are enabled, even if the key function is not implemented in this translation unit. We don't ever do this for code compiled with -fapple-kext, because we don't ever want to devirtualize virtual member function calls in that case. 3. Give the correct linkage for vtables where the key function is not defined. 4. Update the linkage for RTTI structures when necessary. llvm-svn: 124565
* Move GetLLVMVisibility to CodeGenModule.Anders Carlsson2011-01-291-11/+0
| | | | llvm-svn: 124550
* Add RTTIBuilder::GetAddrOfTypeName which uses the newly added ↵Anders Carlsson2011-01-291-0/+4
| | | | | | | | CreateOrReplaceCXXRuntimeVariable. Set the visibility for typeinfo names. llvm-svn: 124548
* Change CodeGenModule::setTypeVisibility to take a TypeVisibilityKind enum ↵Anders Carlsson2011-01-291-2/+3
| | | | | | instead of an "IsForRTTI" flag. llvm-svn: 124546
* Replace an isa/cast with a dyn_cast.Anders Carlsson2011-01-291-2/+2
| | | | llvm-svn: 124542
* Get rid of an unneeded parameter from setGlobalVisibility.Anders Carlsson2011-01-291-7/+5
| | | | llvm-svn: 124541
* Use CGM.CreateOrReplaceCXXRuntimeVariable in CGVTables.cppAnders Carlsson2011-01-291-1/+1
| | | | llvm-svn: 124538
* Add a new function, to be used by CGRTTI, CGVTables and CGVTT (which each ↵Anders Carlsson2011-01-291-0/+39
| | | | | | has their own copy of this code). llvm-svn: 124537
* Replace a literal '8' with getCharWidth().Ken Dyck2011-01-291-2/+3
| | | | llvm-svn: 124536
* Remove IsDefinition from CodeGenModule::setTypeVisibility; it is always true.Anders Carlsson2011-01-291-3/+2
| | | | llvm-svn: 124529
* Mark VTables and RTTI data linkonce_odr instead of weak_odr, with the ↵Anders Carlsson2011-01-241-6/+10
| | | | | | | | exception of explicit template instantiations, which have to be weak_odr. This fixes PR6996. llvm-svn: 124089
* Use a FunctionType::get overload that doesn't require an empty vector.Benjamin Kramer2011-01-221-5/+2
| | | | llvm-svn: 124029
* Add unnamed_addr in CreateRuntimeVariable.Rafael Espindola2011-01-181-2/+7
| | | | llvm-svn: 123773
* Replace calls to CharUnits::fromQuantity() with ones to Ken Dyck2011-01-181-2/+2
| | | | | | ASTContext::toCharUnitsFromBits() when converting from bit sizes to char units. llvm-svn: 123720
* More unnamed_addr.Rafael Espindola2011-01-171-0/+1
| | | | llvm-svn: 123681
* merge strings created byRafael Espindola2011-01-171-0/+1
| | | | | | const NSConstantString *appKey = @"MyApp"; llvm-svn: 123680
* Add unnamed_addr to the special strings created byRafael Espindola2011-01-171-0/+1
| | | | | | | __builtin___CFStringMakeConstantString This fixes PR8993. A darwin expert might want to check that this is safe. llvm-svn: 123658
* Move name mangling support from CodeGen to AST. In thePeter Collingbourne2011-01-131-6/+14
| | | | | | | | | | | | | | process, perform a number of refactorings: - Move MiscNameMangler member functions to MangleContext - Remove GlobalDecl dependency from MangleContext - Make MangleContext abstract and move Itanium/Microsoft functionality to their own classes/files - Implement ASTContext::createMangleContext and have CodeGen use it No (intended) functionality change. llvm-svn: 123386
* Set unnamed_addr for type infos that we are confortable marking as hidden. IRafael Espindola2011-01-111-0/+1
| | | | | | think it is safe to mark all type infos with unnamed_addr, but I am not sure. llvm-svn: 123275
* Add unnamed_addr to constructors and destructors.Rafael Espindola2011-01-111-0/+3
| | | | llvm-svn: 123197
* Add unnamed_addr when creating artificial string globals. For example, inRafael Espindola2011-01-101-3/+6
| | | | | | | | | static const char foo[] = "foo"; static const char *bar = "bar"; the global created to hold "bar" will have it, but foo will not. llvm-svn: 123192
* Simplify mem{cpy, move, set} creation with IRBuilder.Benjamin Kramer2010-12-301-21/+0
| | | | llvm-svn: 122634
* Set the "implicitly inline" bit on a method as soon as we see a definitionJohn McCall2010-12-151-23/+24
| | | | | | | | within the class. Teach IR gen to look for function definitions in record lexical contexts when deciding whether to emit a function whose address was taken. Fixes PR8789. llvm-svn: 121833
* Add support for the common and nocommon attributes.Eric Christopher2010-12-021-1/+3
| | | | | | rdar://8560647 llvm-svn: 120650
* Simplify the logic for emitting guard variables for template staticJohn McCall2010-11-061-1/+4
| | | | | | | | | data members by delaying the emission of the initializer until after linkage and visibility have been set on the global. Also, don't emit a guard unless the variable actually ends up with vague linkage, and don't use thread-safe statics in any case. llvm-svn: 118336
* Ensure that static local variables in function templates inherit theJohn McCall2010-11-021-0/+7
| | | | | | visibility of their function. llvm-svn: 118065
* Better solution: calculate the visibility of functions and variablesJohn McCall2010-10-301-10/+23
| | | | | | | | | | independently of whether they're definitions, then teach IR generation to ignore non-explicit visibility when emitting declarations. Use this to make sure that RTTI, vtables, and VTTs get the right visibility. More of rdar://problem/8613093 llvm-svn: 117781
* Restore r117644, this time properly ignoring -fvisibility and type visibilityJohn McCall2010-10-291-17/+23
| | | | | | | | | | | | | | | for namespace-scope variable declarations. Apply visibility in IR gen to variables that are merely declared and never defined. We were previously emitting these with default visibility unless they were declared with private_extern. Ignore global visibility settings when computing visibility for a declaration's context, and key several conditions on whether a visibility attribute exists anywhere in the hierarchy as opposed to whether it exists at the current level. llvm-svn: 117729
* Revert r117644, "Apply visibility in IR gen to variables that are merelyDaniel Dunbar2010-10-291-23/+17
| | | | | | declared", it breaks things. llvm-svn: 117653
* Apply visibility in IR gen to variables that are merely declaredJohn McCall2010-10-291-17/+23
| | | | | | | | | | | | and never defined. We were previously emitting these with default visibility unless they were declared with private_extern. Ignore global visibility settings when computing visibility for a declaration's context, and key several conditions on whether a visibility attribute exists anywhere in the hierarchy as opposed to whether it exists at the current level. llvm-svn: 117644
* Do the guarding of instantiated static data membersFariborz Jahanian2010-10-271-19/+28
| | | | | | | | on if its linkage is weak. Currently this is the case but may change in the future. (part of radar 8562966). llvm-svn: 117452
* Substantially revise how clang computes the visibility of a declaration toJohn McCall2010-10-221-65/+10
| | | | | | | | more closely parallel the computation of linkage. This gets us to a state much closer to what gcc emits, modulo bugs, which will undoubtedly arise in abundance. llvm-svn: 117147
* This patch implements Next's IRGen for -fconstant-string-class=class-name.Fariborz Jahanian2010-10-191-10/+21
| | | | | | PR6056, //rdar: //8564463 llvm-svn: 116819
* Experimental TBAA support for enum types.Dan Gohman2010-10-151-1/+2
| | | | llvm-svn: 116613
* Don't leak the TBAA object.Dan Gohman2010-10-151-0/+1
| | | | llvm-svn: 116595
* Experimental TBAA support.Dan Gohman2010-10-141-0/+17
| | | | | | | This enables metadata generation by default, however the TBAA pass in the optimizer is still disabled for now. llvm-svn: 116536
* lib/CodeGen/CodeGenModule.cpp: DLLImportLinkage should be processed also on ↵NAKAMURA Takumi2010-10-111-1/+3
| | | | | | | | declaration. It enables clang to compile Mingw's headers. llvm-svn: 116184
* Add support for attribute((naked)), patch by Zoxc on cfe-commits!Daniel Dunbar2010-09-291-0/+3
| | | | | | - Minor style tweaks by me. llvm-svn: 115056
* Kill FunctionDecl's IsCopyAssignment bit; it duplicated what couldDouglas Gregor2010-09-271-1/+1
| | | | | | | | already be determined by isCopyAssignmentOperator(), and was set too late in the process for all clients to see the appropriate value. Cleanup only; no functionality change. llvm-svn: 114916
* Opportunistically use the C++ personality function in ObjC++John McCall2010-09-161-0/+2
| | | | | | translation units that don't catch ObjC types. rdar://problem/8434851 llvm-svn: 114070
* get rid of a warning.Fariborz Jahanian2010-09-071-3/+3
| | | | llvm-svn: 113256
* Have Sema check for validity of CGString literalFariborz Jahanian2010-09-071-9/+0
| | | | | | instead of asserting in IRGen. Fixes radar 8390459. llvm-svn: 113253
* Teach IR generation to return 'this' from constructors and destructorsJohn McCall2010-08-311-7/+8
| | | | | | under the ARM ABI. llvm-svn: 112588
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