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2012-06-22Documentation cleanup:James Dennett
* Made \brief documentation be brief, mostly by adding a blank line to make the rest of the text be part of the detailed description only; * Removed "FunctionOrClassName - " and other redundant text from the start of Doxygen comments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158964 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-21Revert r158887. This fixes pr13168.Rafael Espindola
Revert "If an object (such as a std::string) with an appropriate c_str() member function" This reverts commit 7d96f6106bfbd85b1af06f34fdbf2834aad0e47e. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158949 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-21objective-c: deprecated C-like parameters in Objective-C Fariborz Jahanian
method declarations. // rdar://11578353. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158929 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-21If an object (such as a std::string) with an appropriate c_str() member functionRichard Smith
is passed to a variadic function in a position where a format string indicates that c_str()'s return type is desired, provide a note suggesting that the user may have intended to call the c_str() member. Factor the non-POD-vararg checking out of DefaultVariadicArgumentPromotion and move it to SemaChecking in order to facilitate this. Factor the call checking out of function call checking and block call checking, and extend it to cover constructor calls too. Patch by Sam Panzer! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158887 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20objective-c: place quotes around named items in a diagnostic.Fariborz Jahanian
// rdar://11671080 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158874 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Introduce ObjCRuntime::hasWeakClassImport() and use it in the appropriateJohn McCall
places. I've turned this off for the GNU runtimes --- I don't know if they support weak class import, but it's easy enough for them to opt in. Also tweak a comment per review by Jordan. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158860 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Reword -Winternal-linkage-in-inline, and rename it to -Wstatic-in-inline.Jordan Rose
Now that this is a C-only warning, we can use "static" instead of "internal linkage", which is a term developers are probably more familiar with. This makes for a better warning message. The warning name was changed to match, since "internal linkage" is not mentioned in the warning text anymore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158853 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Documentation cleanup:James Dennett
* Many fixes for \brief summaries (adding some, and making others shorter); * Don't try to explicit tell Doxygen a namespace name (and particularly don't get it wrong); * Typo fix: instantitions -> instantiations; * Slightly more use of \pre for documenting preconditions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158852 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Remove -Winternal-linkage-in-inline in C++.Jordan Rose
It's very easy for anonymous external linkage to propagate in C++ through return types and parameter types. Likewise, it's possible that a template containing an inline function is only used with parameters that have internal linkage. Actually diagnosing where the internal linkage comes from is fairly difficult (both to locate and then to print nicely). Finally, since we only have one translation unit available, we can't even prove that any of this violates the ODR. This warning needs better-defined behavior in C++ before it can really go in. Rewording of the C warning (which /is/ specified by C99) coming shortly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158836 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20[ms-style asm] Change the fatal error to an extension warning. Apparently, thisChad Rosier
error was asserting on anything that included Windows.h. MS-style inline asm is still dropped, but at least now we're not completely silent about it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158833 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20objc: improved diagnostic when property autosynthesis may causeFariborz Jahanian
change in behavior. // rdar://11671080 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158828 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Fix a thinko and a stray debugging hunk in my attributes patch. Thanks to JordanSean Hunt
Rose and Richard Smith for catching these. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158826 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Remove a 'static' specifier from an 'inline' function in a header file.Chandler Carruth
This issue was caught by the new '-Winternal-linkage-in-inline' warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158801 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Restructure how the driver communicates information about theJohn McCall
target Objective-C runtime down to the frontend: break this down into a single target runtime kind and version, and compute all the relevant information from that. This makes it relatively painless to add support for new runtimes to the compiler. Make the new -cc1 flag, -fobjc-runtime=blah-x.y.z, available at the driver level as a better and more general alternative to -fgnu-runtime and -fnext-runtime. This new concept of an Objective-C runtime also encompasses what we were previously separating out as the "Objective-C ABI", so fragile vs. non-fragile runtimes are now really modelled as different kinds of runtime, paving the way for better overall differentiation. As a sort of special case, continue to accept the -cc1 flag -fobjc-runtime-has-weak, as a sop to PLCompatibilityWeak. I won't go so far as to say "no functionality change", even ignoring the new driver flag, but subtle changes in driver semantics are almost certainly not intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158793 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Add the PCH file name to the message about not being able to read the PCH.Kaelyn Uhrain
Also add a couple of unit tests to check the invalid-PCH error messages to satisfy PR4568 and for the assertion (introduced in r149918 and fixed in r158769) that would cause clang to crash when given an empty PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158772 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20Structured comment parsing, first step.Dmitri Gribenko
* Retain comments in the AST * Serialize/deserialize comments * Find comments attached to a certain Decl * Expose raw comment text and SourceRange via libclang git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158771 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Reapply r158700 and fixup patches, minus one hunk that slipped through andSean Hunt
caused a crash in an obscure case. On the plus side, it caused me to catch another bug by inspection. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158767 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Thread Safety Analysis: Move some warnings on thread safetyDeLesley Hutchins
attributes into the ThreadSafetyAttributes group, where the other warnings currently live. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158761 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Extend the support for cl-std to include 1.2.Tanya Lattner
Add error checking for the static qualifier which is now allowed in certain situations for OpenCL 1.2. Use the CL version to turn on this feature. Added test case for 1.2 static storage class feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158759 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19objective-c: warn when autosynthesizing a property which has sameFariborz Jahanian
name as an existing ivar since this is common source of error when people remove @synthesize to take advantage of autosynthesis. // rdar://11671080 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158756 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Reapplying the changes from r158717 as they were rolled back to avoid merge ↵Aaron Ballman
conflicts from a separate problematic patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158750 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Revert r158700 and dependent patches r158716, r158717, and r158731.Jakob Stoklund Olesen
The original r158700 caused crashes in the gcc test suite, g++.abi/vtable3a.C among others. It also caused failures in the libc++ test suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158749 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Revert predefined decl tracking.Meador Inge
r158085 added some logic to track predefined declarations. The main reason we had predefined declarations in the input was because the __builtin_va_list declarations were injected into the preprocessor input. As of r158592 we explicitly build the __builtin_va_list declarations. Therefore the predefined decl tracking is no longer needed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158732 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Improves parsing and semantic analysis for MS __declspec attributes. This ↵Aaron Ballman
includes support for the align (which fixes PR12631). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158717 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Improve the specification of spellings in Attr.td.Sean Hunt
Note that this is mostly a structural patch that handles the change from the old spelling style to the new one. One consequence of this is that all AT_foo_bar enum values have changed to not be based off of the first spelling, but rather off of the class name, so they are now AT_FooBar and the like (a straw poll on IRC showed support for this). Apologies for code churn. Most attributes have GNU spellings as a temporary solution until everything else is sorted out (such as a Keyword spelling, which I intend to add if someone else doesn't beat me to it). This is definitely a WIP. I've also killed BaseCheckAttr since it was unused, and I had to go through every attribute anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158700 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19Improve the error message when a function overload candidate is rejectedKaelyn Uhrain
because it expects a reference and receives a non-l-value. For example, given: int foo(int &); template<int x> void b() { foo(x); } clang will now print "expects an l-value for 1st argument" instead of "no known conversion from 'int' to 'int &' for 1st argument". The change in wording (and associated code to detect the case) was prompted by comment #5 in PR3104, and should be the last bit of work needed for the bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158691 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18Change -Winternal-linkage-in-inline from ExtWarn to Warning in C++.Jordan Rose
Per post-commit review, it's not appropriate to use ExtWarn in C++, because we can't prove that the inline function will actually be defined in more than one place (and thus we can't prove that this violates the ODR). This removes the warning entirely from uses in the main source file in C++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18Add language std for OpenCL 1.1 and 1.2.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158686 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18Support -Winternal-linkage-in-inline in C++ code.Jordan Rose
This includes treating anonymous namespaces like internal linkage, and allowing const variables to be used even if internal. The whole thing's been broken out into a separate function to avoid nested ifs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158683 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18Move a few static functions from DiagnosticRenderer.cpp into SourceManager.Matt Beaumont-Gay
This simplifies the code a little bit, since these functions all took a SourceManager parameter and called a bunch of methods on it, and makes the functions available to other users. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158676 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18Allow internal decls in inline functions if the function is in the main file.Jordan Rose
This handles the very common case of people writing inline functions in their main source files and not tagging them as inline. These cases should still behave as the user intended. (The diagnostic is still emitted as an extension.) I'm reworking this code anyway to account for C++'s equivalent restriction in [basic.def.odr]p6, but this should get some bots back to green. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158666 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18alloc_size attribute: there's nothing wrong with alloc_size(1,1). It just ↵Nuno Lopes
means the function allocates x^2 bytes. GCC also accepts this syntax git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158662 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18Handle C++11 attribute namespaces automatically.Sean Hunt
Now, as long as the 'Namespaces' variable is correct inside Attr.td, the generated code will correctly admit a C++11 attribute only when it has the appropriate namespace(s). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158661 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18[MSExtensions] Add support for __forceinline.Michael J. Spencer
__forceinline is a combination of the inline keyword and __attribute__((always_inline)) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158653 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-18Extend the error recovery for a template-argument-list terminated by '>>' toRichard Smith
also deal with '>>>' (in CUDA), '>=', and '>>='. Fix the FixItHints logic to deal with cases where the token is followed by an adjacent '=', '==', '>=', '>>=', or '>>>' token, where a naive fix-it would result in a differing token stream on a re-lex. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158652 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-17Documentation cleanup: escaping # characters and adding \brief markupJames Dennett
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158627 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-17Documentation cleanup: escaping # characters and adding \brief markupJames Dennett
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158626 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-17Documentation cleanup: escape #undef in Doxygen comments.James Dennett
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158625 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-17Documentation cleanup: delete an erroneous use of \linkJames Dennett
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158624 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-17Documentation cleanup: typo fix, \briaf -> \briefJames Dennett
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158622 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-16Explicitly build __builtin_va_list.Meador Inge
The target specific __builtin_va_list types are now explicitly built instead of injecting strings into the preprocessor input. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158592 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Documentation cleanup:James Dennett
* Escaped # characters in Doxygen comments; * Added Doxygen markup (\brief, \code, \file, \namespace). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158557 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Documentation cleanup: fixed/created some /brief function summaries.James Dennett
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158555 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Stop referring to functions as methods in per-function fallthrough-checking.Sean Hunt
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158545 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Warn when a static variable is referenced in a non-static inline function.Jordan Rose
This is explicitly forbidden in C99 6.7.4p3. This is /not/ forbidden in C++, probably because by default file-scope const/constexpr variables have internal linkage, while functions have external linkage. There's also the issue of anonymous namespaces to consider. Nevertheless, there should probably be a similar warning, since the semantics of inlining a function that references a variable with internal linkage do not seem well-defined. <rdar://problem/11577619> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158531 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Check the parameter lists and return type of both blocks and lambdasDouglas Gregor
for unexpanded parameter packs. Fixes the crash-on-invalid in PR13117. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158525 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Add XOP frcz instrinsics.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158492 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15Ongoing documentation cleanup:James Dennett
* Added/tidied \brief summaries; * Escaped # as needed for Doxygen; * Drive-by: Fixed a rogue line > 80 columns. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158491 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-13More doxygen/documentation cleanups.James Dennett
This reduces the number of warnings generated by Doxygen by about 100 (roughly 10%). Issues addressed: (1) Primarily, backslash-escaped "@foo" and "#bah" in Doxygen comments when they're not supposed to be Doxygen commands or links, and similarly for "<baz>" when it's not intended as as HTML tag; (2) Changed some \t commands (which don't exist) to \c ("to refer to a word of code", as the Doxygen manual says); (3) \precondition becomes \pre; (4) When touching comments, deleted a couple of spurious spaces in them; (5) Changed some \n and \r to \\n and \\r; (6) Fixed one tiny typo: #pragms -> #pragma. This patch touches documentation/comments only. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158422 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-12Add XOP permute intrinsics.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158351 91177308-0d34-0410-b5e6-96231b3b80d8
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