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2012-08-23Added a method to DeclContext that marks theSean Callanan
lookup table as needing to be built. This is required for LLDB, which provides the contents of many DeclContexts through a custom ExternalASTSource. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162471 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Fix a bunch of -Wdocumentation warnings.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162452 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Mark these const.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162443 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Fix undefined behavior: member function calls where 'this' is a null pointer.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162430 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Fix an assortment of doxygen comment issues found by -Wdocumentation.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162412 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22[analyzer] Add more comments to CallEvent and RuntimeDefinition.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162399 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Reverted clang-check to fully supported CommandLine Library use-case: globalAlexander Kornienko
static variables. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162391 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Remove BasicConstraintManager. It hasn't been in active service for a while.Ted Kremenek
As part of this change, I discovered that a few of our tests were not testing the RangeConstraintManager. Luckily all of those passed when I moved them over to use that constraint manager. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162384 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Make ceil/floor/nearbyint/rint/round const even with -fmath-errno.Benjamin Kramer
The conditions described by POSIX can never happen with IEEE-754 floats. When the function is const we can emit a single sse4.1 instruction for it, without losing anything :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162379 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Math builtin definition tweaks.Benjamin Kramer
There were missed optimizations when the system headers didn't have attributes in place, specifically: - Add copysign, exp2, log2, nearbyint, rint and trunc to the list. These are functions that get inlined by LLVM's optimizer, but only when they have the right attributes. - Mark copysign, fabs, fmax, fmin and trunc const unconditionally. Previously these were only const with -fno-math-errno, but they never set errno per POSIX. For ceil/floor/nearbyint/round I'm not aware of any implementation that sets errno, but POSIX says it may signal overflow so I left them alone for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162375 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Rename 'unbindLoc()' (in ProgramState) and 'Remove()' toTed Kremenek
'killBinding()'. The name is more specific, and one just forwarded to the other. Add some doxygen comments along the way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162350 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Rename 'currentX' to 'currX' throughout analyzer and libAnalysis.Ted Kremenek
Also rename 'getCurrentBlockCounter()' to 'blockCount()'. This ripples a bunch of code simplifications; mostly aesthetic, but makes the code a bit tighter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Rename 'getConjuredSymbol*' to 'conjureSymbol*'.Ted Kremenek
No need to have the "get", the word "conjure" is a verb too! Getting a conjured symbol is the same as conjuring one up. This shortening is largely cosmetic, but just this simple changed cleaned up a handful of lines, making them less verbose. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162348 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Remove Store::bindDecl() and Store::bindDeclWithNoInit(), andTed Kremenek
all forwarding methods. This functionality is already covered by bindLoc(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162346 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Rename 'BindCompoundLiteral' to 'bindCompoundLiteral' andTed Kremenek
add doxygen comments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Remove stale header file.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162341 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21[analyzer] Set the default IPA mode to 'basic-inlining', which excludes C++.Jordan Rose
Under -analyzer-ipa=basic-inlining, only C functions, blocks, and C++ static member functions are inlined -- essentially, the calls that behave like simple C function calls. This is essentially the behavior in Xcode 4.4. C++ support still has some rough edges, and we don't want users to be worried about them if they download and run their own checker. (In particular, the massive number of false positives for analyzing LLVM comes from inlining defensively-written code in contexts where more aggressive assumptions are implicitly made. This problem is not unique to C++, but it is exacerbated by the higher proportion of code that lives in header files in C++.) The eventual goal is to be comfortable enough with C++ support (and simple Objective-C support) to advance to -analyzer-ipa=inlining as the default behavior. See the IPA design notes for more details. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162318 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Update comment to match the reality.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162316 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Reduce the amount of state in the Option class by relying on the data from ↵Michael J. Spencer
OptTable::Info. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162299 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Switch some realignment calculations over to llvm::RoundUpToAlignment.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162297 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Rename PrintingPolicy::DontRecurseInDeclContext to PrintingPolicy::TerseOutputDmitri Gribenko
to reflect the intention, not the implementation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162293 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21[driver] Add support for the --param ssp-buffer-size= driver option.Chad Rosier
PR9673 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Fix alignment of array of VarDecl* following array of unsigned in LambdaExpr.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162255 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21When performing a trivial copy of a C++ type, we must be careful notJohn McCall
to overwrite objects that might have been allocated into the type's tail padding. This patch is missing some potential optimizations where the destination is provably a complete object, but it's necessary for correctness. Patch by Jonathan Sauer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162254 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Screw around with ObjCRuntime some more, changing theJohn McCall
diagnostics for bad deployment targets and adding a few more predicates. Includes a patch by Jonathan Schleifer to enable ARC for ObjFW. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162252 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21DeclPrinter: describe what 'terse' output is.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Better diagnostics for range-based for loops with bad range types.Sam Panzer
The old error message stating that 'begin' was an undeclared identifier is replaced with a new message explaining that the error is in the range expression, along with which of the begin() and end() functions was problematic if relevant. Additionally, if the range was a pointer type or defines operator*, attempt to dereference the range, and offer a FixIt if the modified range works. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162248 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20DeclPrinter: add terse output mode and lots of testsDmitri Gribenko
Add a flag PrintingPolicy::DontRecurseInDeclContext to provide "terse" output from DeclPrinter. The motivation is to use DeclPrinter to print declarations in user-friendly format, without overwhelming user with inner detail of the declaration being printed. Also add many tests for DeclPrinter. There are quite a few things that we print incorrectly: search for WRONG in DeclPrinterTest.cpp -- and these tests check our output against incorrect output, so that we can fix/refactor/rewrite the DeclPrinter later. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162245 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20Remove unused variable.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162235 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20Make Option non virtual.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20[analyzer] Add comments to ExplodedNode::NodeGroup.Jordan Rose
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162216 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20[analyzer] Replace boolean IsSink parameters with 'generateSink' methods.Jordan Rose
Generating a sink is significantly different behavior from generating a normal node, and a simple boolean parameter can be rather opaque. Per offline discussion with Anna, adding new generation methods is the clearest way to communicate intent. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162215 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20[ms-inline asm] Remove old cruft now that MS-style asms their own code path.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162210 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20Use correct matcher name in the comment.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162206 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20Fix comments and variable naming:Manuel Klimek
- use InnerMatcher consistently, fix style violations on the way - doxygenify code snippets across all comments - start doxygenifying code references in text - addeed missing Usable as: sections git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162205 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20Better wording for reference self-initialization warning.Hans Wennborg
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162198 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18Allow -verify to be used with files that don't have an associated FileEntry.Jordan Rose
In Debug builds, VerifyDiagnosticConsumer checks any files with diagnostics to make sure we got the chance to parse them for directives (expected-warning and friends). This check previously relied on every parsed file having a FileEntry, which broke the cling interpreter's test suite. This commit changes the extra debug checking to mark a file as unparsed as soon as we see a diagnostic from that file. At the very end, any files that are still marked as unparsed are checked for directives, and a fatal error is emitted (as before) if we find out that there were directives we missed. -verify directives should always live in actual parsed files, not in PCH or AST files. Patch by Andy Gibbs, with slight modifications by me. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162171 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18Silence a sign compare warning that only occurs on 32 bit platforms.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162168 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18PR41111, PR5925, PR13210: Teach tentative parsing to annotate identifiers andRichard Smith
nested names as id-expressions, using the annot_primary_expr annotation, where possible. This removes some redundant lookups, and also allows us to typo-correct within tentative parsing, and to carry on disambiguating past an identifier which we can determine will fail lookup as both a type and as a non-type, allowing us to disambiguate more declarations (and thus offer improved error recovery for such cases). This also introduces to the parser the notion of a tentatively-declared name, which is an identifier which we *might* have seen a declaration for in a tentative parse (but only if we end up disambiguating the tokens as a declaration). This is necessary to correctly disambiguate cases where a variable is used within its own initializer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162159 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18[analyzer] Use PointerUnion to implement ExplodedNode::NodeGroup.Jordan Rose
We shouldn't be reinventing our own wheels. This also paves the way for marking different kinds of sinks. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162154 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17c: privide deprecated warning when __private_extern__ storageFariborz Jahanian
specifier is unsed in a declaration; as it may not make the symbol local to linkage unit as intended. Suggest using "hidden" visibility attribute instead. // rdar://7703982 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162138 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Part of PR13618: visit the TypeLoc when RecursiveASTVisitor visits a ↵Richard Smith
CompoundLiteralExpr. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162133 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17[analyzer] Make BlockDataRegions typed, so that they have DynamicTypeInfo.Jordan Rose
Fixes <rdar://problem/12119814> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162123 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Remove -Wbad-function-cast from -Wall.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162117 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17AST Matchers: introduce functionTemplate(), classTemplate() andDmitri Gribenko
isExplicitTemplateSpecialization() matchers which do what their name says. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162115 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17c: implement gcc's -Wbad-function-cast which warnsFariborz Jahanian
on unsafe cast of a c-function call. This is a C-only option. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162109 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Define __builtin_ffs[ll] with a signed argument instead of unsigned.Benjamin Kramer
GCC documents these as unsigned, but defines them as signed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162106 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17When we need the complete set of visible declarations from aDouglas Gregor
declaration context, check whether the primary context---not the current context---has any external visible declarations. Fixes PR13616. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162083 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Switch PTH format from a 7 byte magic number to an 8 byte one, to avoidRichard Smith
misaligned reads throughout the file. Bump PTH format version to 10. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162076 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Fix misaligned DeclGroup allocation.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162069 91177308-0d34-0410-b5e6-96231b3b80d8
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