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2011-05-17Patch to fix IR-gen crash generating structure ABI which implementsFariborz Jahanian
user specified string class via -fconstant-string-class option. pr9914. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131496 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Fix a nasty bug where inside StringLiteralParser:Argyrios Kyrtzidis
1. We would assume that the length of the string literal token was at least 2 2. We would allocate a buffer with size length-2 And when the stars aligned (one of which would be an invalid source location due to stale PCH) The length would be 0 and we would try to allocate a 4GB buffer. Add checks for this corner case and a bunch of asserts. (We really really should have had an assert for 1.). Note that there's no test case since I couldn't get one (it was major PITA to reproduce), maybe later. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131492 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Do some safety checks.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131491 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17For calls returning first-class aggregates, store by element instead of ↵Eli Friedman
creating aggregate stores in common cases. This is more friendly to fast-isel. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131490 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Revert r131434, my commit disabling the complete-object constructorJohn McCall
optimization for abstract classes; there was a misunderstanding, and it turns out that there are no kexts which rely on this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131489 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Fix some minor bugs and add a lot more test cases for defaultedSean Hunt
constructors, including two more FIXMEs (one of which I don't actually understand). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131487 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Add some more tests.Sean Hunt
I have on that's #if 0'ed out, and I don't know why it's failing to delete the constructor. I'd appreciate if someone familiar with access control could look into ShouldDeleteDefaultConstructor - thanks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131486 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Fix comment.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131478 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17The logic about -static is darwin only. For now assume that all nonRafael Espindola
darwin assembler can handle cfi. Add a test. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131464 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Revert r131447, see if it fixes the buildbot.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Inside isEmptyRecord function, for CXXRecordDecl just check the isEmpty bit.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131447 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Reapply the commits that r131401 reverted and add a fix for PR9927.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131446 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Set up appropriate context for member function.Devang Patel
Radar 9440721 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131441 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Implement some tests for defaulted constructors. To do this I had toSean Hunt
suppress an error we were previously emitting on valid union code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131440 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Fix crash on C++ code when compiling with -finstrument-functions.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131435 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Emit complete-object constructors for abstract classes in kext mode forJohn McCall
reasons that honestly really, really need to be looked into. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131434 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Implement the new C++0x rules for non-trivial things in unions so thatSean Hunt
my defaulted constructor tests stop yelling at me about them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131432 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Pulls the common part of the clang-check example into Tooling, to allow new ↵Manuel Klimek
tools to be implemented without duplicating the boilerplate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131425 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Make the triple an explicit argument of FindTargetProgramPath.Joerg Sonnenberger
Preserve the original triple in the NetBSD toolchain when using -m32 or -m64 and the resulting effective target is different from the triple it started with. This allows -m32 to use the same assembler/linking in cross-compiling mode and avoids confusion about passing down target specific flags in that case like --32. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131404 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Add test for PR9927.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131403 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Revert 131377, 131369 and 131365.Rafael Espindola
131365 caused PR9927. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131401 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Fix another regression from the "skip vtable pointer initialization"Anders Carlsson
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. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131400 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Stop leaving a.out files around.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131396 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-16Don't actually emit calls to the reserved global placement new and deleteJohn McCall
operators; their semantics are guaranteed by the language. If someone wants to argue that freestanding compiles shouldn't recognize this, I might be convinceable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131395 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15main() exists in hosted, not freestanding implementations. Fixes theSean Hunt
build. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131390 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15Add a method for checking whether a function is one of the reserved globalJohn McCall
placement allocation or deallocation functions. These functions cannot be replaced by the user and are exempt from the normal requirements on allocation functions (e.g. that they must return unaliased memory). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131386 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15Re-enable the fix for PR9181 now that all the edge cases are handled.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131385 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15When checking a set of template parameter lists against aDouglas Gregor
nested-name-specifier, re-evaluate the nested-name-specifier as if we were entering that context (which we did!), so that we'll resolve a template-id to a particular class template partial specialization. Fixes PR9913. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131383 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15The array-size operand to a new-expression is not necessarily a size_t.John McCall
It can be larger, it can be smaller, it can be signed, whatever. Handle all the crazy cases with grace and spirit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131378 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15Fix MSVC build.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131377 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15Make CGF.getContext() inlinable, because it's trivial, and optimizeJohn McCall
hasAggregateLLVMType. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15More killing of std::vector.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131374 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15Use arrays and SmallVectors instead of std::vectors when building functionJohn McCall
types. Also, cache a translation of 'void' in CGM and provide a ptrdiff_t alias. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131373 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15Disable the optimization until the bug noticed by Sean Hunt has been fixed.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131372 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15Fix generation of obj-c @encoding for members with zero size.Argyrios Kyrtzidis
Also follow gcc in that arrays of elements with zero size are encoded as arrays with zero elements. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131369 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14When emitting the destructor for a class with a vtable, if we can determineAnders Carlsson
that the destructor body is trivial and that all member variables also have either trivial destructors or trivial destructor bodies, we don't need to initialize the vtable pointers since no virtual member functions will be called on the destructor. Fixes PR9181. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131368 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Let clang-check actually use the Directory entry in the json file.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Only perform the null-initialization of an aggregate result of a messageJohn McCall
send if the receiver is null. Normally it's not worthwhile to check this, but avoiding the null-initialization is nice, and this also avoids nasty problems where the null-initialization is visible within the call because we use an aliased result buffer. rdar://problem/9402992 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131366 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Create proper Objective-C @encoding for C++ classes; fixes rdar://9357400.Argyrios Kyrtzidis
Go through and expand the members of bases into the encoding string (and encode the VTable as well). Unlike gcc which expands virtual bases as many times as they appear in the hierarchy, clang will only expand them once at the end, to reflect the actual layout. Note that there doesn't seem to be a way to indicate in the encoding that packing/alignment of members is different that normal, in which case the encoding will be out-of-sync with the real layout. If the runtime switches to just consider the size of types without taking into account alignment, we could easily make padding explicit in the encoding (e.g. using arrays of chars). The encoding strings would be longer then though. Also encode a flexible array member as array of 0 size, like gcc, not as a pointer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Emit an error when trying to @encode an incomplete type.Argyrios Kyrtzidis
There are APIs, e.g. [NSValue valueWithBytes:objCType:], which use the encoding to find out the size of an object pointed to by a pointer. Make things safer by making it illegal to @encode incomplete types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131364 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Revert 131347. It asserts if the specialization in within a class template:Francois Pichet
template<class U> struct X1 { template<class T> void f(T*); template<> void f(int*) { } }; Won't be so simple. I need to think more about it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131362 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Make sure we actually generate defaulted copy constructors; caught bySean Hunt
Howard Hinnant. Thanks! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131349 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14In Microsoft mode, allow template function explicit specialization at class ↵Francois Pichet
scope. Necessary to parse MFC and MSVC standard lib code. Example: struct X { template<class T> void f(T) { } template<> void f(int) { } } git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131347 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14PR9908: Fix the broken fix for PR9902 to get the template argument lists in ↵Richard Smith
the right order. Also, don't reject alias templates in all ElaboratedTypes: some ElaboratedTypes do not correspond to elaborated-type-specifiers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131342 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14What I hope to be an implementation of defaulted copy assignmentSean Hunt
operators. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14More progress towards defaulted copy assignmentSean Hunt
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131337 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Start implementing defaulted copy assignmentSean Hunt
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131336 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Objective-C vtables are not taking the world by storm; call themJohn McCall
out as "v-table" message sends and stop calling normal messages "legacy" message sends. Also, fix some comments to reveal the true state of affairs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131335 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-13Reorganize this method to avoid multiple calls for computing CGFunctionInfoJohn McCall
and to decrease the amount of effort in appending strings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131323 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-13SimplifyJoerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131321 91177308-0d34-0410-b5e6-96231b3b80d8
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