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2013-02-23Remove the hack that avoided mangling static functions in extern C contexts.Rafael Espindola
Weather we should give C language linkage to functions and variables with internal linkage probably depends on how much code assumes it. The standard says they should have no language linkage, but gcc and msvc assign them C language linkage. This commit removes the hack that was preventing the mangling on static functions declare in extern C contexts. It is an experiment to see if we can implement the rules in the standard. If it turns out that many users depend on these functions and variables having C language linkage, we should change isExternC instead and try to convince the CWG to change the standard. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-23Revert r175912, "Add support for coldcc to clang" at John's request.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175936 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Propagate the split dwarf file information through into the backendEric Christopher
and through to the debug info in the module. In order to make the testcase a bit more efficient allow the filename to go through compilation for compile and not assemble jobs and turn off the extract for cases where we don't create an object. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175935 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[libclang] Fix assertion hit when code-completing inside a function macro ↵Argyrios Kyrtzidis
with more arguments than it should accept. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175925 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22objective-C arg: provide fixit support whenFariborz Jahanian
c++'s named cast need be replaced for bridge casting. // rdar://12788838 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175923 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Update tests so that we don't test for function-only attributes on call sites.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175921 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Driver: Pass down the -march setting down to -cc1as on x86 too.Benjamin Kramer
The assembler historically didn't make use of any target features, but this has changed when support for old CPUs that don't support long nops was added. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175919 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Make sure we apply attributes to correct places.Bill Wendling
Some attributes make sense only on the function or on the call site, but not both. Make this distinction here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175918 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Split out the command handling for split debug info, we're goingEric Christopher
to want to propagate some information through the module into the back end and so need to pass it through to codegen. Also make the methods file static so we can use them in other places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175916 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[analyzer] Don't canonicalize the RecordDecl used in CXXBaseObjectRegion.Jordan Rose
This Decl shouldn't be the canonical Decl; it should be the Decl used by the CXXBaseSpecifier in the subclass. Unfortunately, that means continuing to throw getCanonicalDecl() on all comparisons. This fixes MemRegion::getAsOffset's use of ASTRecordLayout when redeclarations are involved. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175913 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Add support for coldcc to clangPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175912 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[preprocessing record] Have the MacroDefinitions map point to the ↵Argyrios Kyrtzidis
MacroDefinition object instead its index in the preprocessed entities vector. This is because the order of the entities in the vector can change in some (uncommon) cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175907 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Replace some typically large vectors with SmallVector.Benjamin Kramer
This may seem counter-intuitive but the POD-like optimization helps when the vectors grow into multimegabyte buffers. SmallVector calls realloc which knows how to twiddle virtual memory bits and avoids large copies. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Make sure pragmas don't attach visibility attributes to auto variables withRafael Espindola
internal linkage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175903 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Suppress -Wswitch to unbreak the build.David Blaikie
This may need to be fixed more intelligently - I don't have enough context to be sure what the appropriate fix is right now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175902 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[Sema] Semantic analysis for empty-declaration and attribute-declaration.Michael Han
Introduce a new AST Decl node "EmptyDecl" to model empty-declaration. Have attributes from attribute-declaration appertain to the EmptyDecl node by creating the AST representations of these attributes and attach them to the EmptyDecl node so these attributes can be sema checked just as attributes attached to "normal" declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175900 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Use raw_ostream::indent, update comment.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175897 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Push the raw_ostream through the template diffing code.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175896 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Streamify FormatASTNodeDiagnosticArgument.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175895 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Streamify getNameForDiagnostic and remove the string versions of ↵Benjamin Kramer
PrintTemplateArgumentList. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175894 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Comment parsing: add CommentOptions to allow specifying custom comment block ↵Dmitri Gribenko
commands Add an ability to specify custom documentation block comment commands via a new class CommentOptions. The intention is that this class will hold future customizations for comment parsing, including defining documentation comments with specific numbers of parameters, etc. CommentOptions instance is a member of LangOptions. CommentOptions is controlled by a new command-line parameter -fcomment-block-commands=Foo,Bar,Baz. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175892 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22StmtPrinter: Directly print types to the stream instead of taking a detour ↵Benjamin Kramer
through getAsString. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175891 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Fix MergeFunctionDecl implicit CC for static methods.Timur Iskhodzhanov
Patch by Alexander Zinenko! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175890 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22scan-build: Remove debug print.Benjamin Kramer
PR15329. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175889 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22C++11 status page:Richard Smith
* Mark attributes as done in SVN. * Downgrade alignment support from 'Clang 3.0' to 'SVN', now that we actually implement the rules. * Upgrade 'Dynamic initialization with concurrency' from 'No' to 'Clang 2.9' -- all that is required here is the ABI-mandated locking for the initialization of static locals. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175882 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Don't crash if we try to apply 'alignas' to a variable declared with anRichard Smith
incomplete type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175880 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Don't accidentally and silently accept C++11 attributes in decl-specifier-seqsRichard Smith
in C++98. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175879 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Update to use references to attribute groups instead of listing the ↵Bill Wendling
attributes on the call/invoke instructions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175878 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Per the grammar in [dcl.dcl]p1, a simple-declaration can only have attributesRichard Smith
if it has declarators. We were missing the check for this in a couple of places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175876 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Handle alignas(foo...) pack expansions.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175875 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22In LookupResult::resolveKind(), when handling multiple found declarations, ↵Argyrios Kyrtzidis
ignore invalid declarations. This reduces the "ambiguous reference" errors (which are rather strange in C/ObjC) and fixes an assertion hit with an invalid code test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175869 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22When a parameter list in a C function has an error, recover by forming a K&R ↵Argyrios Kyrtzidis
function, instead of a non-function type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175868 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Don't crash when applying an alloc_size attribute on a K&R function.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175867 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Don't skip '_Alignas' when disambiguating 'final'. '_Alignas' can't appear here,Richard Smith
and we used to assert if it did. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175866 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Teach -ast-print how to print trailing-return-types.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175864 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[analyzer] Implement "Loop executed 0 times" diagnostic correctly.Ted Kremenek
Fixes <rdar://problem/13236549> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175863 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Implement C++11 [dcl.align]p6-p8, and C11 6.7.5/7. This had to be split out ofRichard Smith
the normal attribute-merging path, because we can't merge alignment attributes without knowing the complete set of alignment attributes which apply to a particular declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175861 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[libclang] Fix a crash with invalid code, while skip function bodies is enabled.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175860 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Decl.cpp/mergeTemplateLV(): Tweak a description. [-Wdocumentation]NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175859 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Only suppress instance context if a member is actuallyJohn McCall
accessible in its declaring class; otherwise we might fail to apply [class.protected] when considering accessibility in derived classes. Noticed by inspection; <rdar://13270329>. I had an existing test wrong. Here's why it's wrong: Follow the rules (and notation) of [class.access]p5. The naming class (N) is B and the context (R) is D::getX. - 'x' as a member of B is protected, but R does not occur in a member or friend of a class derived from B. - There does exist a base class of B, A, which is accessible from R, and 'x' is accessible at R when named in A because 'x' as a member of A is protected and R occurs in a member of a class, D, that is derived from A; however, by [class.protected], the class of the object expression must be equal to or derived from that class, and A does not derive from D. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175858 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[analyzer] Place all inlining policy checks into one palceAnna Zaks
Previously, we had the decisions about inlining spread out over multiple functions. In addition to the refactor, this commit ensures that we will always inline BodyFarm functions as long as the Decl is available. This fixes false positives due to those functions not being inlined when no or minimal inlining is enabled such (as shallow mode). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175857 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Add -fbracket-depth=N, analogous to -ftemplate-depth= and -fconstexpr-depth=,Richard Smith
to control the check for the C 5.2.4.1 / C++ [implimits] restriction on nesting levels for parentheses, brackets and braces. Some code with heavy macro use exceeds the default limit of 256, but we don't want to increase it generally to avoid stack overflow on stack-constrained systems. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175855 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[analyzer] Make sure a materialized temporary matches its bindings.Jordan Rose
This is a follow-up to r175830, which made sure a temporary object region created for, say, a struct rvalue matched up with the initial bindings being stored into it. This does the same for the case in which the AST actually tells us that we need to create a temporary via a MaterializeObjectExpr. I've unified the two code paths and moved a static helper function onto ExprEngine. This also caused a bit of test churn, causing us to go back to describing temporary regions without a 'const' qualifier. This seems acceptable; it's our behavior from a few months ago. <rdar://problem/13265460> (part 2) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175854 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Fix regression in modeling assignments of an address of a variable to ↵Ted Kremenek
itself. Fixes <rdar://problem/13226577>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175852 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Make sure we only use the output file as a base for debug splittingEric Christopher
if we're compiling. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175851 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22objective-C arc: Diagnostic can not say to use bridgeFariborz Jahanian
casts with c++ named casts. Change notes to say use bridge with c-style cast instead. // rdar://12788838 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175850 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[analyzer] Fix buildbot by not reusing a variable name.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175848 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Preproceessor: fix #if skipping under -traditional-cpp.Jordan Rose
When parsing directives within skipped #if blocks, we don't want to retain any whitespace. Previously we were just skipping comments, but it's not possible to skip comments and retain other whitespace. This change matches the usual behavior for parsing directives (i.e. the behavior outside of skipped #if blocks). <rdar://problem/13267695> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175840 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Make logic smaller.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175839 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Added a footnote to the documentation for objc_storeStrong that makes it clearMichael Gottesman
that a __strong object of block type is a valid argument to objc_storeStrong but that an objc_retain and not an objc_retainBlock will be emitted. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175838 91177308-0d34-0410-b5e6-96231b3b80d8
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