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2010-05-02Have getSubVTTIndex take a BaseSubobject instead of just a base.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-02Pass ForVirtualBase all the way to GetVTTParameter.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102883 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-02Add the same 'ForVirtualBase' parameter to EmitCXXDestructorCall.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102882 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-02Revert my last change and add a 'ForVirtualBase' parameter to ↵Anders Carlsson
EmitCXXConstructorCall instead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102881 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-02Pass the construction kind down to EmitCXXConstructorCall.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102880 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-02Remove another unused function.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102871 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-02Remove an unused function.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102870 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-01Complete reimplementation of the synthesis for implicitly-defined copyDouglas Gregor
assignment operators. Previously, Sema provided type-checking and template instantiation for copy assignment operators, then CodeGen would synthesize the actual body of the copy constructor. Unfortunately, the two were not in sync, and CodeGen might pick a copy-assignment operator that is different from what Sema chose, leading to strange failures, e.g., link-time failures when CodeGen called a copy-assignment operator that was not instantiation, run-time failures when copy-assignment operators were overloaded for const/non-const references and the wrong one was picked, and run-time failures when by-value copy-assignment operators did not have their arguments properly copy-initialized. This implementation synthesizes the implicitly-defined copy assignment operator bodies in Sema, so that the resulting ASTs encode exactly what CodeGen needs to do; there is no longer any special code in CodeGen to synthesize copy-assignment operators. The synthesis of the body is relatively simple, and we generate one of three different kinds of copy statements for each base or member: - For a class subobject, call the appropriate copy-assignment operator, after overload resolution has determined what that is. - For an array of scalar types or an array of class types that have trivial copy assignment operators, construct a call to __builtin_memcpy. - For an array of class types with non-trivial copy assignment operators, synthesize a (possibly nested!) for loop whose inner statement calls the copy constructor. - For a scalar type, use built-in assignment. This patch fixes at least a few tests cases in Boost.Spirit that were failing because CodeGen picked the wrong copy-assignment operator (leading to link-time failures), and I suspect a number of undiagnosed problems will also go away with this change. Some of the diagnostics we had previously have gotten worse with this change, since we're going through generic code for our type-checking. I will improve this in a subsequent patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102853 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-01Simplify EmitCopyCtorCall.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102849 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-01Simplify EmitClassAggrMemberwiseCopy.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102848 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-01Clean up EmitClassMemberwiseCopy further.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102846 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-01Get rid of a parameter from EmitClassMemberwiseCopy.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102845 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-01When defining implicit copy constructors, use SetBaseOrMemberInitializers to ↵Anders Carlsson
initialize the bases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102842 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-30Remove an unnecessary parameter from EmitClassCopyAssignment.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102747 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-30Account for the VTT argument when making an implicit copy constructor forJohn McCall
a class with virtual bases. Just a patch until Sema starts (correctly) doing most of this analysis. Fixes PR 6622. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102692 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-30Get the base class addresses before calling EmitClassCopyAssignment.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102676 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29Remove an unnecessary argument to EmitClassCopyAssignment.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102674 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-25Land another cleanup patch.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102293 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-25Revert enough of my patches to fix self-host again :(Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102289 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Cleanup SynthesizeCXXCopyConstructor.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102286 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Clean up SynthesizeCXXCopyAssignment a little.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102285 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24RenameGetAddressOfBaseOfCompleteClass to ↵Anders Carlsson
GetAddressOfDirectBaseInCompleteClass to reflect that it only handles direct bases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102284 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24More cleanup.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102282 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Simplify EmitClassMemberwiseCopy now that it's only used for fields.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102281 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24DefineImplicitCopyConstructor now uses SetBaseOrMemberInitializers to create ↵Anders Carlsson
implicit base initializers. (Member initializers are still handled by CodeGenFunction::SynthesizeCXXCopyConstructor for now). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102279 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Rename GetAddressOfBaseClass to OldGetAddressOfBaseClass.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102275 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Get rid of the old GetNonVirtualBaseClassOffset and change all call sites to ↵Anders Carlsson
use the new version. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102274 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Change CodeGenFunction::GetAddressOfDerivedClass to take a BasePath.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102273 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Convert more call sites over to the new GetAddressOfBaseClass.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102272 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24Add a new GetAddressOfBaseClass overload that takes a base path and. Use it ↵Anders Carlsson
for derived-to-base casts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-21Comment out an assert for now.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102007 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Back out r101911 and see if it makes the bots happy.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101921 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Fix a bug which triggered the assertion I added yesterday. Basically, when ↵Anders Carlsson
we initialize the vtable pointer for a virtual base, and there was another path from the most derived class to another base with the same class type, we would use the wrong base. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101911 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Move code to apply a non-virtual and virtual offset out into a separate ↵Anders Carlsson
function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101909 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Pass the nearest virtual base decl to InitializeVTablePointers. No ↵Anders Carlsson
functionality change right now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101872 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20Assert that the path from the derived to the base class in ↵Anders Carlsson
CodeGenFunction::GetAddressOfBaseClass is not ambiguous. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101869 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-19Keep track of the actual storage specifier written on a variable orDouglas Gregor
function declaration, since it may end up being changed (e.g., "extern" can become "static" if a prior declaration was static). Patch by Enea Zaffanella and Paolo Bolzoni. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101826 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Have the CXXBaseOrMemberInitializer keep track of whether an initializer ↵Anders Carlsson
initializes a virtual base or not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101004 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30the big refactoring bits of PR3782.Rafael Espindola
This introduces FunctionType::ExtInfo to hold the calling convention and the noreturn attribute. The next patch will extend it to include the regparm attribute and fix the bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Remove the old vtable layout code.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99869 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
2010-03-30Factor emitting a call to a copy constructor out into a separate function.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99866 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30Introduce a CXXTemporariesCleanupScope RAII object and use it to cleanup the ↵Anders Carlsson
temporaries code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99865 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
2010-03-29Flip the switch to always get vtables from the VTT when necessary, I've ↵Anders Carlsson
verified that clang bootstraps with this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99800 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-29Cleanup, no functionality change.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99798 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-29Fix another thinko, so that flags don't depend on previous bases.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99791 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-29When generating base ctors/dtors, we need to lookup virtual bases using the ↵Anders Carlsson
vtable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99790 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-29Use construction vtables when needed. This is currently guarded by ↵Anders Carlsson
-fdump-vtable-layouts since it doesn't work 100% yet :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99787 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-28Reapply r99775 with a fix for a silly bug - we were setting the vtable ↵Anders Carlsson
pointer for all bases, even those without a vtable pointer :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99777 91177308-0d34-0410-b5e6-96231b3b80d8
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