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2011-08-03Static Analyzer diagnostics visualization: when the last location on a path ↵Anna Zaks
is end of the function, the arrow should point to the closing brace, not the statement before it. Patch by Ted Kremenek. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136761 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-03When rewriting a call to a K&R function to lead to a well-prototypedJohn McCall
function, be sure to drop parameter attributes when dropping their associated arguments. Patch by Aaron Landwehr! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136753 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-03A couple fixes for preprocessor expressions:Eli Friedman
1. Be more tolerant of comments in -CC (comment-preserving) mode. We were missing a few cases. 2. Make sure to expand the second FOO in "#if defined FOO FOO". (See also r97253, which addressed the case of "#if defined(FOO FOO".) Fixes PR10286. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136748 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Implements alignment for long long and double types in va_arg on ARM AAPCS.Rafael Espindola
Patch by Jim (Ningjie) Chen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136734 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Update for LLVM change in PassManagerBuilder.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136728 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02disable array bounds overflow warning for cases where an array Chris Lattner
has a single element. This disables the warning in cases where there is a clear bug, but this is really rare (who uses arrays with one element?) and it also silences a large class of false positive issues with C89 code that is using tail padding in structs. A better version of this patch would detect when an array is in a tail position in a struct, but at least patch fixes the huge false positives that are hitting postgres and other code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136724 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Fix cmake for r136702 (at least for the most part). Chandler has been kind Chad Rosier
enough to offer to investigate the underlying issue. Thanks to Doug for his assistance as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136719 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02objective-c rewrite: Fixes rewriting of objective-c collectionFariborz Jahanian
statement inside a block. // rdar://9878420 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136717 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Temporarily revert parts of r136702 to make cmake builds happy.Chad Rosier
Someone with more cmake experience want to throw me a bone? :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136709 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Change the hashing function for DeclContext lookup within an AST fileDouglas Gregor
by eliminating the type ID from constructor, destructor, and conversion function names. There are several reasons for this change: - A given type (say, int*) isn't guaranteed to have a single, unique type ID within a chain of PCH files. Hence, we could end up hashing based on the wrong type ID, causing name lookup to fail. - The mapping from types back to type IDs required one DenseMap entry for every type that was ever deserialized, which was an unacceptable cost to support just the name lookup of constructors, destructors, and conversion functions. Plus, this mapping could never actually work with chained or multiple PCH, based on the first bullet. Once we have eliminated the type from the hash function, these problems go away, as does my horrible "reverse type remap" hack, which was doomed from the start (see bullet #1 above) and far too complicated. However, note that removing the type from the hash function means that all constructors, destructors, and conversion functions have the same hash key, so I've updated the caller to double-check that the declarations found have the appropriate name. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136708 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02[analyzer] Drastically simplify ExprEngine::VisitInitListExpr() by assuming ↵Ted Kremenek
all initializer expressions have already been evaluated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136706 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02PR10566: Make sure codegen for deleting an pointer to an incomplete type ↵Eli Friedman
actually works. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136703 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02When the compiler crashes, the compiler driver now produces diagnostic Chad Rosier
information including the fully preprocessed source file(s) and command line arguments. The developer is asked to attach this diagnostic information to a bug report. rdar://9575623 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136702 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Following up the earlier refactoring/cleanup work by fixing up how we manage ↵Jonathan D. Turner
the virtual files the ASTReader has to handle. Specifically, this occurs when the reader is reading AST files that were created in memory and not written to disk. For example, when a user creates a chained PCH using command line flags. These virtual files are stored in MemoryBuffers in ChainIncludeSource.cpp, and then read back in by the ASTReader. This patch moves the management of these buffers into the ModuleManager, so that it becomes the authority on where these buffers are located. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136697 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02KeychainAPI checker: only check the paths on which the allocator function ↵Anna Zaks
returned noErr. (+ minor cleanup) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136694 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Implement a proper local -> global type ID remapping scheme in the ASTDouglas Gregor
reader. This scheme permits an AST file to be loaded with its type IDs shifted anywhere in the type ID space. At present, the type indices are still allocated in the same boring way they always have been, just by adding up the number of types in each PCH file within the chain. However, I've done testing with this patch by randomly sliding the base indices at load time, to ensure that remapping is occurring as expected. I may eventually formalize this in some testing flag, but loading multiple (non-chained) AST files at once will eventually exercise the same code. There is one known problem with this patch, which involves name lookup of operator names (e.g., "x.operator int*()") in cases where multiple PCH files in the chain. The hash function itself depends on having a stable type ID, which doesn't happen with chained PCH and *certainly* doesn't happen when sliding type IDs around. We'll need another approach. I'll tackle that next. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136693 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Add a debugging dump for Module (also emitted as part of the ASTDouglas Gregor
reader statistics), to show the local-to-global mappings. The only such mapping we have (at least, for now) is for source location offsets. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136687 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Generalize the module offset map to include mapping information forDouglas Gregor
all of the kinds of IDs that can be offset. No effectively functionality change; this is preparation for adding remapping for IDs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136686 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Make helper functions static.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136679 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-02Fix formatting of SemaExpr.cpp, mainly fixing lines greater than 80 characters.Richard Trieu
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136678 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01Revert "Re-enable byval for ARM in clang. rdar://problem/7662569"Bob Wilson
This reverts commit 67d097e1232b7d66f58989c16a45b8a11721f76e. We found a miscompile with ARM byval, which is still being investigated. In the meantime, this works around the problem by disabling ARM byval. Conflicts: lib/CodeGen/TargetInfo.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136662 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01Add a skeleton for the Keychain Services API Checker. Register it as OSX ↵Anna Zaks
experimental for now. Note, the checker still does not handle tracking of escaped values, taking into account the return value of the allocator functions, nor the actual bug reporting.. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136659 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01objective-c: reverse patch for // rdar://9818354Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136658 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01Implement MipsABIInfo::EmitVAArg. This fix enables clang to complete compilationAkira Hatanaka
without bailing out when va_arg is an aggregate expression. However, alignment checking needs to be added in isSafeToEliminateVarargsCast in InstCombineCalls.cpp in order to produce correct mips code (see link below). http://lists.cs.uiuc.edu/pipermail/llvmdev/2011-July/042047.html git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136647 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01Driver: When compiling i386 -fapple-kext code, we fallback to llvmgcc.Chad Rosier
Unfortunately, llvmgcc doesn't always work when writing temporary output to /dev/null. Therefore, create a temp file that is later deleted. rdar://9837692 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136644 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01Pass records with non-trivial destructors or constructors indirectly.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136630 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01Fix linkage type for tentative definition of ivar offset variables (GNUstep ↵David Chisnall
runtime) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136628 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01Move the serialization of the MODULE_OFFSET_MAP out of the ↵Douglas Gregor
source-manager-writing code and into the general chained-PCH writing code git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136624 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-01Rename the AST file's SOURCE_LOCATION_MAP to MODULE_OFFSET_MAP, to indicate ↵Douglas Gregor
the greater role it will soon play in remapping. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136619 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-31Test for // rdar://9846759Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136602 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-31Remove dead code flagged by GCC's -Wunused-but-set-variable.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136581 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30Not sure why we bother updating FunctionDecl's EndRangeLoc in ↵Argyrios Kyrtzidis
FunctionDecl::setParams. EndRangeLoc should always be set to at least the ending paren or brace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136573 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30[libclang] Annotation of parameters that got default args from a previous ↵Argyrios Kyrtzidis
declarations was broken because the end location of the parameter was the end location of the default arg, resulting in a source range that could begin in one file and end in another. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136572 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30Introduce a Fix-It for the "missing sentinel" warning, adding anDouglas Gregor
appropriate sentinel at the end of the argument list. Also, put the sentinel warnings under -Wsentinel. Fixes <rdar://problem/8764236>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136566 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30Add code completion to produce "else" blocks after an "if"Douglas Gregor
statement. Fixes <rdar://problem/9229438>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136564 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30When producing code completion results for variadic macros, fold theDouglas Gregor
variadic bit (", ..." or ", args...") into the prior placeholder, like we do with functions and methods. Fixes <rdar://problem/9740808>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136563 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30Add the various parameter-passing keywords for Distributed ObjectsDouglas Gregor
(such as in, inout, byref, and oneway) to code completion results. Fixes <rdar://problem/8844158>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136562 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30Fix a thinko in my __is_empty/__is_pod commit.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136561 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30Turn off __has_feature(is_empty) and __has_feature(is_pod) if theDouglas Gregor
libstdc++ hack has reverted these type traits to keywords. Icky, but fixes <rdar://problem/9836262>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136560 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30When performing code completion after at @interface, allow bothDouglas Gregor
already-defined and forward-declared results. Already-defined results are fine because they could be the start of a category. Fixes <rdar://problem/9811691>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136559 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30When complaining about a non-POD second argument to va_arg, use aDouglas Gregor
special diagnostic for ARC ownership-qualified types. We wouldn't want to expose Objective-C programmers to the term "POD", would we? Fixes <rdar://problem/9772982>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136558 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30Use the "Bar.h" -> <Foo/Bar.h> remapping for index header maps only asDouglas Gregor
a fallback, if normal header search fails. Another attempt at <rdar://problem/9824020>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136557 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30objc rewriter - my last patch was not quite right.Fariborz Jahanian
Fixed again. // rdar://9846759 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136550 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30objc rewriter - set the flag passed to ↵Fariborz Jahanian
_Block_object_assign/_Block_object_dispose correctly for copying a captured block object. // rdar://9846759 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136549 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29Teach the ASTImporter to cope with cases where we have alreadyDouglas Gregor
imported a forward declaration, but later the full definition of the same entity becomes available. When this happens, import the definition. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136537 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29Add support for the 'Q' arm memory constraint.Eric Christopher
Fixes rdar://9866494 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136524 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29[analyzer] Remove recursive visitation in ExprEngine::VisitDeclStmt because ↵Ted Kremenek
it isn't needed anymore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136522 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29[analyzer] Remove recursive visitation in ↵Ted Kremenek
ExprEngine::VisitCompoundLiteralExpr because it isn't needed anymore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136521 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29[analyzer] Remove recursive visitation in ExprEngine::VisitCastExpr because ↵Ted Kremenek
it isn't needed anymore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136520 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29[analyzer] Remove recursive visitation in ↵Ted Kremenek
ExprEngine::VisitObjCForCollectionStmt because it isn't needed anymore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136519 91177308-0d34-0410-b5e6-96231b3b80d8
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