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2010-04-12Typo.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101015 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11Fix another bug where we wouldn't generate secondary vtables for ↵Anders Carlsson
construction vtables in some cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100998 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11Fix a bug where we were adding too many vcall offsets in some cases.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100985 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10Fix another vbase layout bug.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100952 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10Fix a bug where we would add the same function twice in a vtable.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100949 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10Simplify the virtual base layout code and fix a bug where we wouldn't store ↵Anders Carlsson
the offset for a virtual base. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100940 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Provide manglings for bool and character literal expressions. These areJohn McCall
just integer-literal expressions with special case implementations in the AST. Fixes rdar://problem/7825453. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100905 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09Turn access control on by default in -cc1.John McCall
Remove -faccess-control from -cc1; add -fno-access-control. Make the driver pass -fno-access-control by default. Update a bunch of tests to be correct under access control. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100880 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08Eliminate excessive PCH deserialization caused by the search forDouglas Gregor
__cxxabiv1::__fundamental_type_info in every translation unit. Previously, we would perform name lookup for __cxxabiv1::__fundamental_type_info at the end of IRGen for a each translation unit, to determine whether it was present. If so, we we produce type information for all of the fundamental types. However, this name lookup causes PCH deserialization of a significant part of the translation unit, which has a woeful impact on performance. With this change, we now look at each record type after we've generated its vtable to see if it is __cxxabiv1::__fundamental_type_info. If so, we generate type info for all of the fundamental types. This works because __cxxabiv1::__fundamental_type_info should always have a key function (typically the virtual destructor), that will be defined once in the support library. The fundamental type information will end up there. Fixes <rdar://problem/7840011>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100772 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-04Reapply patch for adding support for address spaces and added a isVolatile ↵Mon P Wang
field to memcpy, memmove, and memset. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100305 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03Don't produce a vtable for a class if we have an explicit template ↵Rafael Espindola
instantiation declaration and no key function. We will produce the vtable at the explicit template instantiation. Fixes PR6748 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100266 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02We seem to get an inconsistent alignment value in the generatedDouglas Gregor
assembly for the global "d7". We were previously testing for alignment 3, which seems to happen for some builders and not for others. I've eliminated the alignment check and added a FIXME to unbreak the buildbots. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100205 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Revert r100193 since it causes failures in objc in clangMon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100200 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Rework our handling of copy construction of temporaries, which was aDouglas Gregor
poor (and wrong) approximation of the actual rules governing when to build a copy and when it can be elided. The correct implementation is actually simpler than the approximation. When we only enumerate constructors as part of initialization (e.g., for direct initialization or when we're copying from a class type or one of its derived classes), we don't create a copy. When we enumerate all conversion functions, we do create a copy. Before, we created some extra copies and missed some others. The new test copy-initialization.cpp shows a case where we missed creating a (required, non-elidable) copy as part of a user-defined conversion, which resulted in a miscompile. This commit also fixes PR6757, where the missing copy made us reject well-formed code in the ternary operator. This commit also cleans up our handling of copy elision in the case where we create an extra copy of a temporary object, which became necessary now that we produce the right copies. The code that seeks to find the temporary object being copied has moved into Expr::getTemporaryObject(); it used to have two different not-quite-the-same implementations, one in Sema and one in CodeGen. Note that we still do not attempt to perform the named return value optimization, so we miss copy elisions for return values and throw expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100196 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Reapply patch for adding support for address spaces and added a isVolatile ↵Mon P Wang
field to memcpy, memmove, and memset. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100193 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Drastically simplify the computation of linkage for typeinfo by usingDouglas Gregor
the existing (and already well-tested) linkage computation for types, with minor tweaks for dynamic classes and (pointers to) incomplete types. Fixes PR6597. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99968 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Introduce a new kind of derived-to-base cast which bypasses the need forJohn McCall
null checks, and make sure we elide null checks when accessing base class members. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99963 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Revert Mon Ping's 99930 due to broken llvm-gcc buildbots.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99949 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Added support for address spaces and added a isVolatile field to memcpy, ↵Mon P Wang
memmove, and memset git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99930 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Don't produce a vtable if we are just instantiating a method and theRafael Espindola
class has no key function. Fix PR6738. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99900 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Use the new function in EmitClassAggrMemberwiseCopy, fixing the same assert ↵Anders Carlsson
as seen in PR6628 but for arrays this time. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99867 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Handle default arguments when calling copy constructors for bases or members ↵Anders Carlsson
when synthesizing a copy constructor. Fixes PR6628. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99864 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Change a test to FileCheck bitcode instead of assembler.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99863 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Flip the switch and use the new vtable layout code for everything. I've ↵Anders Carlsson
verified that this passes a self-host but I'll let the bots self host as well before removing the now dead code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99861 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-29When collecting virtual bases it's very important to use the canonical type ↵Anders Carlsson
of the base class. Otherwise, we might add the same virtual base class twice if the virtual base is an instantiated template. Fixes PR6251. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99829 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-29Another vtable layout fix, making us match gcc better.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99812 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27Give thunks the same linkage as their original methods.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99729 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-27Test for the previous commit.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99702 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-26When adding initializers to a constructor, be sure that we are lookingDouglas Gregor
through the bases and fields of the definition of the class in which the constructor is declared, rather than some other declaration of that class. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99661 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25Don't add address points for virtual primary bases that aren't primary bases ↵Anders Carlsson
in the complete class. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99555 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-25Check for some code gen. for PR6641 test.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99526 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24Check for ret, so that we know we hit the end of the functionDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99448 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24When returning from a function that has a reference return type, useDouglas Gregor
EmitReferenceBindingToExpr() rather than assuming we have an lvalue. This is just the lowest hanging fruit for PR6024, which still requires a bit of work. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99447 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24Discussing with dgregor we decided that we should not force the emission ofRafael Espindola
implicit methods on explicit template instantiation definitions. As a consequence, we should emit them at every use, even if we see a explicit template instantiation declaration. This is already the current behaviour, but it is good to test for that :-) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99443 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24Code gen for multi-dimensional dynamic allocations.Fariborz Jahanian
Fixes PR6641. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99404 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24More vtable improvements. We now compute and keep track of all vtable ↵Anders Carlsson
related information which avoids computing the same vtable layout over and over. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99403 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24More vtable work; preparations for moving over to the new vtable layout code ↵Anders Carlsson
(finally). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99381 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24Flip the switch and use the new vtable layout code for thunks by default. ↵Anders Carlsson
Add a thunks.cpp test. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99367 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-24Remove parts of virt.cppAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99363 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23revert 99311. Looks like it broke darwin bootstrap.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99317 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23Avoid producing implicit methods when we have a explicit template instantiationRafael Espindola
declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99311 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-22A fixed version of r99174 which also includes a test that we emit vtables whenRafael Espindola
we see an specialization definition ever if we then see a extern template declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99226 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-21Fix PR6648 by not creating a temporary with the type of aRafael Espindola
CXXExprWithTemporaries. Not emitting the expression as an aggregate might be the right thing to do, but is orthogonal. Emitting it as an scalar expression will still try to create a temporary for the incomplete type of the CXXExprWithTemporaries and fail. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99134 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-20Driver: Fix a number of -fapple-kext issues:Daniel Dunbar
- Disable RTTI. - Disable use of __cxa_atexit. - Disable unwind tables. - Enable freestanding mode. Also, honor -fhosted correctly. <rdar://problem/7515383> C++ support: -fapple-kext not honored git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99041 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-20C++: Add support for -fno-use-cxa-atexit.Daniel Dunbar
- So much typing, so little gain... Also, rename the __cxx_global_initialization function just to match llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99039 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-19Change CodeGenModule to rely on the Module's symbol table instead ofJohn McCall
shadowing it in the GlobalDeclMap. Eliminates the string-uniquing requirement for mangled names, which should help C++ codegen times a little. Forces us to do string lookups instead of pointer lookups, which might hurt codegen times a little across the board. We'll see how it plays out. Removing the string-uniquing requirement implicitly fixes any bugs like PR6635 which arose from the fact that we had multiple uniquing tables for different kinds of identifiers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99012 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-18When dumping vtables, also dump the thunks.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98799 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-17Correctly mangle dependent TypenameType.Rafael Espindola
Fixes PR6625. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98707 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-13Give explicit template instantiations weak ODR linkage. FormerDouglas Gregor
iterations of this patch gave explicit template instantiation link-once ODR linkage, which permitted the back end to eliminate unused symbols. Weak ODR linkage still requires the symbols to be generated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98441 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-13Re-revert the explicit template instantiation linkage patch. I am beginning ↵Douglas Gregor
to look incompetent git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98425 91177308-0d34-0410-b5e6-96231b3b80d8
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