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2012-08-02[analyzer] Add a simple check for initializing reference variables with null.Jordan Rose
There's still more work to be done here; this doesn't catch reference parameters or return values. But it's a step in the right direction. Part of <rdar://problem/11212286>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161214 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-02Attaching comments to declarations: handle using-declaration.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161211 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-02objective-c arc: Patch to suggest bridge casting of CFFariborz Jahanian
objects used as dictionary subscript objects. // rdar://11913153 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161187 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-02ASTContext.h: replace include by a forward declaration.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161186 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-02Add OpenBSD arch targets for powerpc, arm, mips64, mips64el and sparc.Hans Wennborg
Contributed by Brad Smith <brad@comstyle.com> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161175 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-02Correct AddDefaultCIncludePaths for OpenBSD to not include /usr/local/includeHans Wennborg
in the default search path. Compilers on *BSD OS's only include /usr/include by default. Contributed by Brad Smith <brad@comstyle.com> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161173 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-02[analyzer] Also emit Prev/Next links for macros in HTML output. Oops.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161154 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-02[analyzer] Add Prev/Next links to the HTML output.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161153 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-02[analyzer] Flush bug reports in deterministic order.Anna Zaks
This makes the diagnostic output order deterministic. 1) This makes order of text diagnostics consistent from run to run. 2) Also resulted in different bugs being reported (from one run to another) with plist-html output. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161151 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-02Make sure we don't emit IR for unused EH cleanups. PR13359.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161148 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-01Initialize flag in DeclInfo.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161141 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-01Comment AST: add DeclInfo to store information about the declaration. Sema wasDmitri Gribenko
already extracting most of this, but discarding at the end of semantic analysis. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161140 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-01Fix an assertion failure instantiating a constexpr function from within a ↵Eli Friedman
-dealloc method. PR13401. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161135 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-01TLS is not supported on OpenBSDHans Wennborg
This fixes PR13502 and adds a test to keep track of which targets support TLS and which do not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161124 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-01When devirtualizing the conversion to a virtual base subobject,John McCall
don't explode if the offset we get is zero. This can happen if you have an empty virtual base class. While I'm at it, remove an unnecessary block from the IR-generation of the null-check, mark the eventual GEP as inbounds, and generally prettify. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161100 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Explicitly defaulted constructors cannot be used for default initialization.Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161088 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Comment parsing: add support for \tparam command on all levels.Dmitri Gribenko
The only caveat is renumbering CXCommentKind enum for aesthetic reasons -- this breaks libclang binary compatibility, but should not be a problem since API is so new. This also fixes PR13372 as a side-effect. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161087 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31When testing whether we can perform copy or move initialization, beDouglas Gregor
sure to supply an initialization location. Fixes <rdar://problem/11951661>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161084 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Consider the visibility of template template arguments. GCC doesn't, but it alsoRafael Espindola
fails to consider the linkage, which we were already considering. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161070 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31[analyzer] Control C++ inlining with a macro in ExprEngineCallAndReturn.cpp.Jordan Rose
For now this will stay on, but this way it's easy to switch off if we need to pull back our support for a while. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161064 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31[analyzer] Turn -cfg-add-initializers on by default, and remove the flag.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161060 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31[analyzer] Don't try to inline if there's no region for a message receiver.Jordan Rose
While usually we'd use a symbolic region rather than a straight-up Unknown, we can still generate unknowns via array subscripts with symbolic indexes. (And if this ever changes in the future, we still shouldn't crash.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161059 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31[analyzer] Add a FIXME about devirtualization in ctors/dtors.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161058 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31-Wformat: better handling of qualifiers on pointer argumentsHans Wennborg
Warn about using pointers to const-qualified types as arguments to scanf. Ignore the volatile qualifier when checking if types match. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161052 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31[analyzer] Getting an lvalue for a reference field still requires a load.Jordan Rose
This was causing a crash in our array-to-pointer logic, since the region was clearly not an array. PR13440 / <rdar://problem/11977113> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161051 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Tweak code-completion heuristics deciding between a lambdaDouglas Gregor
code-completion and an Objective-C message send, based on Jordan's feedback. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161049 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Fixes a segfault in Tooling when using pch's:Manuel Klimek
Clear the FileManager's stat cache in between running translation units, as the stat cache loaded from a pch is only valid for one compiler invocation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161047 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Remove deprecated getNameAsCString methods.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161044 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Added -ast-list option to dump filterable AST decl node names.Alexander Kornienko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161040 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Support ARM hard float (arm-linux-gnueabihf).Jiangning Liu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161038 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Fix some minor typosSylvestre Ledru
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161036 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Introduce new queries on ObjCRuntime for how to interpret subscriptsJohn McCall
on object pointers and whether pointer arithmetic on object pointers is supported. Make ObjFW interpret subscripts as pseudo-objects. Based on a patch by Jonathan Schleifer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161028 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Handle functions with struct arguments or return types and the regparmRafael Espindola
attribute. It is a variation of the x86_64 ABI: * A struct returned indirectly uses the first register argument to pass the pointer. * Floats, Doubles and structs containing only one of them are not passed in registers. * Other structs are split into registers if they fit on the remaining ones. Otherwise they are passed in memory. * When a struct doesn't fit it still consumes the registers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161022 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Attributes preceding a function declaration are first applied to the returnRafael Espindola
type and then propagated to the function. This was failing for destructors, constructors and constructors templates since they don't have a return type. Fix that by directly calling processTypeAttrs on the dummy type we use as the return type in these cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161020 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31No longer emitting a PCH file when using -fsyntax-only on a header file. ↵Aaron Ballman
Fixes PR13343. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161019 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31[analyzer] Let CallEvent decide what goes in an inital stack frame.Jordan Rose
This removes explicit checks for 'this' and 'self' from Store::enterStackFrame. It also removes getCXXThisRegion() as a virtual method on all CallEvents; it's now only implemented in the parts of the hierarchy where it is relevant. Finally, it removes the option to ask for the ParmVarDecls attached to the definition of an inlined function, saving a recomputation of the result of getRuntimeDefinition(). No visible functionality change! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161017 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Explain why ACC_bottom should never occur in diagnosing ARC casts.Jordan Rose
This is just a clarification on Fariborz's original patch, per e-mail discussion. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161016 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31When we encounter a code-completion token while parsing an ill-formedDouglas Gregor
lambda-introducer in Objective-C++11, fall back to treating the tokens as an Objective-C message send to provide those (more likely) completions. Fixes <rdar://problem/11980263>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161015 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31Don't crash *or* insert a bogus autorelease when emitting aJohn McCall
this-adjustment thunk in ARC++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161014 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30[analyzer] Handle inlining of instance calls to super.Anna Zaks
Use self-init.m for testing. (It used to have a bunch of failing tests with dynamic inlining turned on.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161012 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30PR13479: If we see the definition of an out-of-line destructor in C++11, beRichard Smith
sure to update the exception specification on the declaration as well as the definition. If we're building in -fno-exceptions mode, nothing else will trigger it to be updated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161008 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30[analyzer] Perform post-call checks for all inlined calls.Jordan Rose
Previously, we were only checking the origin expressions of inlined calls. Checkers using the generic postCall and older postObjCMessage callbacks were ignored. Now that we have CallEventManager, it is much easier to create a CallEvent generically when exiting an inlined function, which we can then use for post-call checks. No test case because we don't (yet) have any checkers that depend on this behavior (which is why it hadn't been fixed before now). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161005 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30Extend the ',' versus ';' diagnostic for -Wvexing-parse to cover the ↵Richard Smith
with-arguments case as well as the no-arguments case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160999 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30Improvements to vexing-parse warnings. Make the no-parameters case moreRichard Smith
accurate by asking the parser whether there was an ambiguity rather than trying to reverse-engineer it from the DeclSpec. Make the with-parameters case have better diagnostics by using semantic information to drive the warning, improving the diagnostics and adding a fixit. Patch by Nikola Smiljanic. Some minor changes by me to suppress diagnostics for declarations of the form 'T (*x)(...)', which seem to have a very high false positive rate, and to reduce indentation in 'warnAboutAmbiguousFunction'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160998 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30objective-c arc: ARC IRGen correctly assumes resultFariborz Jahanian
type of generated call to super dealloc is 'void' and asserts if user's dealloc is not of 'void type. This rule must be enforced in clang front-end (with a fixit) if this is not the case, instead of asserting in CodeGen. // rdar://11987838 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160993 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30[analyzer] Very simple ObjC instance method inliningAnna Zaks
- Retrieves the type of the object/receiver from the state. - Binds self during stack setup. - Only explores the path on which the method is inlined (no bifurcation to explore the path on which the method is not inlined). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160991 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30Mark ObjCInterfaceDecl::lookupPrivateMethod as const.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160989 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30[analyzer] Add -analyzer-ipa=dynamic option for inlining dynamicallyAnna Zaks
dispatched methods. Disabled by default for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160988 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30[analyzer] Only allow CallEvents to be created by CallEventManager.Jordan Rose
This ensures that it is valid to reference-count any CallEvents, and we won't accidentally try to reclaim a CallEvent that lives on the stack. It also hides an ugly switch statement for handling CallExprs! There should be no functionality change here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160986 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30Do not warn on correct use of the '%n' format specifier.Matt Beaumont-Gay
While '%n' can be used for evil in an attacker-controlled format string, there isn't any acute danger in using it in a literal format string with an argument of the appropriate type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160984 91177308-0d34-0410-b5e6-96231b3b80d8
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