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2012-08-09[analyzer] Improve readability of the dyn. dispatch bifurcation patchAnna Zaks
r161552. As per Jordan's feedback. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161603 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Comment to HTML and XML conversion: ignore commands that contain a declarationDmitri Gribenko
as their argument. For example, \fn, \function, \typedef, \method, \class etc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161601 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09[ms-inline asm] Initialize targets and assembly printers/parsers.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161595 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09objective-C: minor refactoring in methodFariborz Jahanian
definition parsing logic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161593 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Unbreak the build.Anna Zaks
Declaring "const Decl *Decl" is not a good idea. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161567 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09[analyzer] Cleanup of malloc checker.Anna Zaks
Remove Escaped state, which is not really necessary. We can just stop tracking the symbol instead of keeping it around and marking escaped. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161557 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Fix AAPCS ABI. I can't actually test this, but it restores the behavior ↵Eli Friedman
from before r159168. PR13562. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161554 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09[analyzer] Bifurcate the path with dynamic dispatch.Anna Zaks
This is an initial (unoptimized) version. We split the path when inlining ObjC instance methods. On one branch we always assume that the type information for the given memory region is precise. On the other we assume that we don't have the exact type info. It is important to check since the class could be subclassed and the method can be overridden. If we always inline we can loose coverage. Had to refactor some of the call eval functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161552 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Add new file CommentCommandTraits.cpp to CMakeLists.txt.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161551 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-09Comment parsing: extract TableGen'able pieces into new CommandTraits class.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161548 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08clang support for Bitrig (an OpenBSD fork); patch by David Hill.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Minor simplification for r161534.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161544 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08objective-C: refactor/simplify parsing of delayedFariborz Jahanian
method/c-funcs defined in objc class implementation. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161540 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Fix r161534 so it actually builds.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161539 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08PR13558: Fix typo 'compatiblity'. Thinking of the children. Apparently.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161537 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Handle deprecation diagnostics correctly for C struct fields and Objective-C ↵Eli Friedman
properties/ivars. <rdar://problem/6642337>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161534 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Unify the codepaths for emitting deprecation warnings. The test changes are ↵Eli Friedman
just to account for us emitting notes more consistently. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161528 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Address code review comments for Wstrncat-size warning (r161440).Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161527 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08[ms-inline asm] Use more idiomatic logic. Thanks, Bill.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161526 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Implicitly annotate __CFStringMakeConstantString with format_arg(1).Jordan Rose
We handled the builtin version of this function in r157968, but the builtin isn't used when compiling as -fno-constant-cfstrings. This should complete <rdar://problem/6157200>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161525 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08[ms-inline asm] Add basic codegen support for simple asm stmts. Currently,Chad Rosier
only machine specific clobbers are modeled. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161524 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Don't add attributes for "#pragma pack" and friends to tag declarations whichEli Friedman
are not definitions. This follows the behavior of both gcc and earlier versions of clang. Regression from r156531. <rdar://problem/12048621>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161523 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08[ms-inline asm] Make sure IsSimple is correctly handled.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161522 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Remove extraneous comment.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161521 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08[ms-inline asm] Add a very simple test case. Basically, we're only testing forChad Rosier
crashers at the moment (and coincidentally this case was causing a crash). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161520 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08[ms-inline asm] Refactor the logic to generate the AsmString into Sema. NoChad Rosier
functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161518 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Whitespace.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161516 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08[analyzer] Clean up the printing of FieldRegions for leaks.Jordan Rose
Unfortunately, generalized region printing is very difficult: - ElementRegions are used both for casting and as actual elements. - Accessing values through a pointer means going through an intermediate SymbolRegionValue; symbolic regions are untyped. - Referring to implicitly-defined variables like 'this' and 'self' could be very confusing if they come from another stack frame. We fall back to simply not printing the region name if we can't be sure it will print well. This will allow us to improve in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161512 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08[analyzer] Track malloc'd regions stored in structs.Jordan Rose
The main blocker on this (besides the previous commit) was that ScanReachableSymbols was not looking through LazyCompoundVals. Once that was fixed, it's easy enough to clear out malloc data on return, just like we do when we bind to a global region. <rdar://problem/10872635> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161511 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08[analyzer] Revamp RegionStore to distinguish regions with symbolic offsets.Jordan Rose
RegionStore currently uses a (Region, Offset) pair to describe the locations of memory bindings. However, this representation breaks down when we have regions like 'array[index]', where 'index' is unknown. We used to store this as (SubRegion, 0); now we mark them specially as (SubRegion, SYMBOLIC). Furthermore, ProgramState::scanReachableSymbols depended on the existence of a sub-region map, but RegionStore's implementation doesn't provide for such a thing. Moving the store-traversing logic of scanReachableSymbols into the StoreManager allows us to eliminate the notion of SubRegionMap altogether. This fixes some particularly awkward broken test cases, now in array-struct-region.c. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161510 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Constify CXXRecordDecl::isVirtuallyDerivedFrom.Jordan Rose
No functionality change. A couple ugly const_casts because the ancestor search code is used for other purposes as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161509 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08[ms-inline asm] Add support for detecting simple ms-style inline asm. SimpleChad Rosier
asm statements are those that don't reference variable names, function names, and labels. Add logic to generate a patched AsmString that will eventually be consumed by the AsmParser. No functional change at this point, so unfortunately no test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161508 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Add the IsSimple/IsVolatile parameters to the MSAsmStmt constructor.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161503 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Implement warning for integral null pointer constants other than the literal 0.David Blaikie
This is effectively a warning for code that violates core issue 903 & thus will become standard error in the future, hopefully. It catches strange null pointers such as: '\0', 1 - 1, const int null = 0; etc... There's currently a flaw in this warning (& the warning for 'false' as a null pointer literal as well) where it doesn't trigger on comparisons (ptr == '\0' for example). Fix to come in a future patch. Also, due to this only being a warning, not an error, it triggers quite frequently on gtest code which tests expressions for null-pointer-ness in a SFINAE context (so it wouldn't be a problem if this was an error as in an actual implementation of core issue 903). To workaround this for now, the diagnostic does not fire in unevaluated contexts. Review by Sean Silva and Richard Smith. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161501 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08objc: Include all types when issuing warning underFariborz Jahanian
-Wdirect-ivar-access. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161500 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Preprocessor: fix __OPTIMIZE_SIZE__ and -OzDylan Noblesmith
Add some tests for __OPTIMIZE_SIZE__ and __NO_INLINE__, removing the superfluous copies in the target-specific tests, since it's target-independent. This uncovered a bug in the handling of -Oz: it would attempt to store the value 2 in the 1-bit bitfield OptimizeSize, leaving a value of 0 and never defining __OPTIMIZE_SIZE__. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161495 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Frontend: further document __BYTE_ORDER__Dylan Noblesmith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161494 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Remove unused variables.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161483 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Revert part of r161175 which was wrong for OpenBSD's PowerPC target.Hans Wennborg
Contributed by Brad Smith <brad@comstyle.com> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161481 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Implement final piece of DR963 and also DR587:Richard Smith
A conditional operator between glvalues of types cv1 T and cv2 T produces a glvalue if the expressions are of the same value kind and one of cv1 and cv2 is a subset of the other. A conditional operator between two null pointer constants is permitted if one of them is of type std::nullptr_t. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161476 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Get rid of an early return in Sema::ActOnFields which doesn't make sense ↵Eli Friedman
anymore. Fixes a crash (<rdar://problem/11067144>), and generally seems to improve recovery in other cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161474 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Fix an assertion failure with a C++ constructor initializing aEli Friedman
member of reference type in an anonymous struct. PR13154. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161473 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Fix a -ast-dump crash.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161472 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07objc-arc: Make -Wdirect-ivar-access accessible to allFariborz Jahanian
memory models, except when arc is accessing a weak ivar (which is an error). // rdar://6505197 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161458 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07Whitespace.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161455 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07When building a conditional operator where one operand is a throw-expressionRichard Smith
and the other is a glvalue of class type, don't forget to copy-initialize a temporary when performing the lvalue-to-rvalue conversion on the glvalue. Strangely, DefaultLvalueConversions misses this part of the lvalue-to-rvalue conversions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161450 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07-Wunused-private-fields: Don't try to check unresolved initializer expressionsRichard Smith
for side-effects. Instead, check for side-effects after performing initialization. Doing so also removes some strange corner cases and differences between in-class initialization and constructor initialization. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161449 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07objc-arc: set nonlazybind attribute on objc_retain/Fariborz Jahanian
objc_release for performance for these most often called APIs. // rdar://12040837 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161448 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07Don't complain about -fobjc-link-runtime being unused with -fobjc-arc.Bob Wilson
If you build with -fobjc-arc, then -fobjc-link-runtime is implied but we don't need to warn about it being unused in that case. rdar://12039965 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161444 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-07Comment AST: DeclInfo: add a special kind for enums.Dmitri Gribenko
Comment XML: add a root node kind for enums. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161442 91177308-0d34-0410-b5e6-96231b3b80d8
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