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2009-06-15Fix PR2741 by making our newline tracking be aware of newlines thatChris Lattner
can occur in the middle of comment tokens. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73365 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-15"GCC emits an __objc_class_name_{classname} symbol for every class, and a ↵Chris Lattner
corresponding reference to this symbol for every compilation unit that references the class. This causes linker errors when you try linking a program which references some classes but doesn't define them. The attached patch implements this support in clang, so you can compile a class with clang, reference it in a file compiled with GCC, and have it all work correctly." Patch by David Chisnall! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73364 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14PR4391: Tweak -ast-print output to generate valid output for edge cases Eli Friedman
like "int x = + +3;". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73356 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14PR4390: Make sure to handle anonymous unions correctly while building Eli Friedman
static intializers for structs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73349 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14Introduce a SFINAE "trap" that keeps track of the number of errorsDouglas Gregor
that were suppressed due to SFINAE. By checking whether any errors occur at the end of template argument deduction, we avoid the possibility of suppressing an error (due to SFINAE) and then recovering so well that template argument deduction never detects that there was a problem. Thanks to Eli for the push in this direction. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73336 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14Update LLVM.Douglas Gregor
Implement support for C++ Substitution Failure Is Not An Error (SFINAE), which says that errors that occur during template argument deduction do *not* produce diagnostics and do not necessarily make a program ill-formed. Instead, template argument deduction silently fails. This is currently implemented for template argument deduction during matching of class template partial specializations, although the mechanism will also apply to template argument deduction for function templates. The scheme is simple: - If we are in a template argument deduction context, any diagnostic that is considered a SFINAE error (or warning) will be suppressed. The error will be propagated up the call stack via the normal means. - By default, all warnings and errors are SFINAE errors. Add the NoSFINAE class to a diagnostic in the .td file to make it a hard error (e.g., for access-control violations). Note that, to make this fully work, every place in Sema that emits an error *and then immediately recovers* will need to check Sema::isSFINAEContext() to determine whether it must immediately return an error rather than recovering. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73332 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14PR4351: Add constant evaluation for constructs like "foo == NULL", where Eli Friedman
foo has a constant address. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73321 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14Sink the BuiltinInfo object from ASTContext into theChris Lattner
preprocessor and initialize it early in clang-cc. This ensures that __has_builtin works in all modes, not just when ASTContext is around. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73319 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14move the various builtins stuff from libast to libbasic. ThisChris Lattner
fixes a layering violation in lib/Basic/Targets.cpp. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73318 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14prune #includes, Builtins.h/cpp no longer depends on libast.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73317 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14move GetBuiltinType from Builtin::Context to ASTContext.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73316 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14change ParseStatementOrDeclaration to emit the 'missing ;' withChris Lattner
ExpectAndConsume instead of custom diag logic. This gets us an insertion hint and positions the ; at the end of the line instead of on the next token. Before: t.c:5:1: error: expected ';' after return statement } ^ after: t.c:4:11: error: expected ';' after return statement return 4 ^ ; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73315 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14improve localizability by not passing english phrases into Chris Lattner
diagnostics in some cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73314 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Simplify mangleFunctionDecl by unnesting a crazy condition. This fixesChris Lattner
the check for extern "c" system headers, which should prevent functiondecls from being mangled. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73311 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Fix the calling convention for structs/unions containing SSE vectors on Eli Friedman
x86-32. This is slightly messy, but I think it's consistent with gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73306 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Have CheckClassTemplatePartialSpecializationArgs take a ↵Anders Carlsson
TemplateArgumentListBuilder. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73297 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Allow initializing a vector with a vector in addition to allowing a list Eli Friedman
of the elements. Issue reported on cfe-dev by Mattias Holm. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73292 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13implement and document a new __has_feature and __has_builtin magic Chris Lattner
builtin preprocessor macro. This appears to work with two caveats: 1) builtins are registered in -E mode, and 2) target-specific builtins are unconditionally registered even if they aren't supported by the target (e.g. SSE4 builtin when only SSE1 is enabled). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73289 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Fix for PR4382: allow instantiating dependent nested name specifiers. Eli Friedman
I'm not completely sure this is the right way to fix this issue, but it seems reasonable, and it's consistent with the non-template code for this construct. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73285 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13If a CXXRecordDecl is a class template, the 'this' type should be the ↵Anders Carlsson
injected class name type. Fixes pr4383. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73284 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13More work on type parameter packs.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Stop tracking non-compound value for struct. It may be caused by imprecise castZhongxing Xu
logic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73279 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Remove a bunch of unnecessary template argument deduction code that wasDouglas Gregor
obviously written by someone who didn't read C++ [temp.class.spec]. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73276 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Move template type argument checking out into a separate function. No ↵Anders Carlsson
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73275 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13When some template parameters of a class template partialDouglas Gregor
specialization cannot be deduced, produce a warning noting that the affected class template partial specialization will never be used. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Fix PR4372, another case where non-prototyped functions can prevent Chris Lattner
always_inline from working. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73273 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-13Improvements to TemplateArgumentListBuilder to make it work better with ↵Anders Carlsson
parameter packs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73272 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12A parameter pack must always come last in a class template.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73269 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12No need to mark the parameter as invalid, just ignore the default argument.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73268 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Address more comments from Doug.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73267 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12add the location of the ')' in a do/while statement to DoStmt.Chris Lattner
This fixes a source range problem reported by Olaf Krzikalla. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73266 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Address comments from Doug - Add a Sema::SemaRef.BuildBlockPointerType and ↵Anders Carlsson
use it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73264 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12It looks like we've finished off matching of class template partial ↵Douglas Gregor
specializations; add comments and update the C++ status page git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73263 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Parameter packs can't have default arguments.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73262 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Keep track of whether a type parameter is actually a type parameter pack.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73261 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Finish implementing checking of class template partial specializationsDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73260 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Diagnose C++ [temp.class.spec]p9b3, where a class template partialDouglas Gregor
specialization's arguments are identical to the implicit template arguments of the primary template. Typically, this is meant to be a declaration/definition of the primary template, so we give that advice. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Diagnose the incorrect use of non-type template arguments for classDouglas Gregor
template partial specializations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73254 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Parse support for C++0x type parameter packs.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73247 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Verify that the template parameters of a class template partialDouglas Gregor
specialization do not have default arguments (C++ [temp.class.spec]p10). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73245 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Fix PR4365.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73240 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Improve template argument deduction to keep track of why templateDouglas Gregor
argument deduction failed. For example, given template<typename T> struct is_same<T, T> { ... }; template argument deduction will fail for is_same<int, float>, and now reports enough information Right now, we don't do anything with this extra information, but it can be used for informative diagnostics that say, e.g., "template argument deduction failed because T was deduced to 'int' in one context and 'float' in another". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73237 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12It's an error to use a function declared in a class definition as a default ↵Anders Carlsson
argument before the function has been declared. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73234 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12Deducation and instantiation of block types.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73232 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-12use getAsPointerType() method.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73218 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11Don't assert when generating code with static_asserts.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73208 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11PR4371: Reduce the inlining threshold outside of -O3. This makes Eli Friedman
the clang inlining threshold consistent with the threshold for llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73204 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11Following gcc, hide the hack to include the SSE2 intrinsics from Eli Friedman
xmmintrin.h in an ifdef. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73200 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11Add summary lookup for IOServiceGetMatchingService.Ted Kremenek
Convert tabs to spaces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73198 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11Refactor some function name -> summary lookup using a switch statement.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73197 91177308-0d34-0410-b5e6-96231b3b80d8
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