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2010-05-04Fixes a code gen crash when block is a reference type, etc.Fariborz Jahanian
(radar 7495203). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103022 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04Introduce a limit on the depth of the macro instantiation backtraceDouglas Gregor
printed in a diagnostic, similar to the limit we already have on the depth of the template instantiation backtrace. The macro instantiation backtrace is limited to 10 "instantiated from:" diagnostics; when it's longer than that, we'll show the first half, then say how many were suppressed, then show the second half. The limit can be changed with -fmacro-instantiation-limit=N, and turned off with N=0. This eliminates a lot of note spew with libraries making use of the Boost.Preprocess library. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103014 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04When creating a call to a base subobject's operator= in anDouglas Gregor
implicitly-defined copy assignment operator, suppress the protected access check. This eliminates the remaining failure in the Boost.SmartPtr library (that was a product of the copy-assignment generation rewrite) and, presumably, the Boost.TR1 library as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04Let StmtDumper.cpp handle using declarations.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103006 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04An access is permitted if the current template instantiates to the appropriateJohn McCall
class. Add some conservative support for the idea. Fixes PR 7024. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102999 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04When inheriting a default argument expression, inherit the full expression,John McCall
not just the inner expression. This is important if the expression has any temporaries. Fixes PR 7028. Basically a symptom of really tragic method names. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102998 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04Fixes a Code Gen. Crash when calling destructor on a __blockFariborz Jahanian
variabe. Blocks and their construction/destruction is wip though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102985 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03When computing the template arguments for the instantiation of aDouglas Gregor
friend function template, be sure to adjust the computed template argument lists based on the location of the definition of the function template: it's possible that the definition we're instantiating with and the template declaration that we found when creating the specialization are in different contexts, which meant that we would end up using the wrong template arguments for instantiation. Fixes PR7013; all Boost.DynamicBitset tests now pass. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102974 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Just bail out immediately when emitting an unreachable function-local staticJohn McCall
variable. Surprisingly, this does seem to be the right way to solve this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102961 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03For the sake of Objective-c++ overload resolution,Fariborz Jahanian
treat argument types of objective-c pointer types which only differ in their protocol qualifiers as the same type (radar 7925668). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102955 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03When instantiating a function-local variable definition, introduce theDouglas Gregor
mapping from the declaration in the template to the instantiated declaration before transforming the initializer, in case some crazy lunatic decides to use a variable in its own initializer. Fixes PR7016. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102945 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Workaround: Don't add ObjCMethodDecls to the vector of TopLevelDecls since ↵Ted Kremenek
they don't go in the DeclContext for the translation unit. This is to workaround a fundamental issue in how ObjC decls (within an @implementation) are parsed before the ObjCContainerDecl is available. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102944 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03If we're generating code to create a pointer-to-member functionDouglas Gregor
aggregate and the result of the aggregate is unused, bail out early. Fixes PR7027. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102942 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Diagnose unused exception parameters under a different warning groupDouglas Gregor
(-Wunused-exception-parameter) than normal variables, since it's more common to name and then ignore an exception parameter. This warning is neither enabled by default nor by -Wall. Fixes <rdar://problem/7931045>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102931 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Complain when we try to initialize an object of Objective-C class typeDouglas Gregor
(which is ill-formed) with an initializer list. Also, change the fallback from an assertion to a generic error message, which is far friendlier. Fixes <rdar://problem/7730948>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102930 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03It's okay to reference an enum in a template definition, even thoughDouglas Gregor
it's ill-formed to form an enum template. Fixes <rdar://problem/7933063>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102926 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03When computing the address of a virtual member function pointer, use the ↵Anders Carlsson
pointer width instead of hardcoding for 64-bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102921 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Do not issue warning on unimplemented property in the class, if itFariborz Jahanian
conforms to a protocol as one of its super classes does. This is because conforming super class will implement the property. This implements new warning rules for unimplemented properties (radar 7884086). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102919 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03The array form of 'new' can never have initializers.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102917 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03When creating the declaration reference for implicit copy-constructionDouglas Gregor
of a base class, give it real source-location information. Fixes PR7017. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102916 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03When declaring a namespace alias, ignore previous declarations thatDouglas Gregor
aren't in scope. Fixes PR7014. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102915 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03When instantiating a member function declared via a typedef, don't tryDouglas Gregor
to enter the instantiated parameter declarations into the local instantiation scope; they can't be referenced anyway. Fixes PR7022. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102914 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03When a class contains a non-empty anonymous union or struct, mark isDouglas Gregor
as non-empty. Fixes PR7021. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102913 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Don't build an aggregate constructor loop when the constructor is trivial.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102912 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Replace a char*/size pair with stringref.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102902 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Simplify.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102896 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Don't copy or initialize empty classes. Fixes PR7012.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102891 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Store the entire base subobject in SubVTTIndices.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102890 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Remove OldGetAddressOfBaseClass - bye bye ambiguities.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102889 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03Get rid of the last caller of OldGetAddressOfBaseClass.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102888 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-03More work towards getting rid of OldGetAddressOfBaseClass.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102887 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-02Get rid of a call to GetAddressOfDirectBaseInCompleteClass.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102886 91177308-0d34-0410-b5e6-96231b3b80d8
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
2010-05-02Change CXXConstructExpr::Create to take a ConstructionKind.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102884 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
2010-05-02Add an enum to CXXConstructExpr so we can determine if the construction ↵Anders Carlsson
expression constructs a non-virtual or virtual base. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102879 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
2010-05-02CodeGen: Shrink RValue. 4 words -> 2 words.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102863 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-02As per Chris' request, return the Instruction from EmitCall and add the ↵David Chisnall
metadata in the caller. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102862 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
2010-05-01Bump default template instantiation depth to 1024, as required by C++0xDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102847 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
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