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2013-03-08<rdar://problem/13170740> Be a little more careful when instantiating 'this' ↵Douglas Gregor
expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176731 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Move clang tests that depend on llvm/ADT/Statistic.h to a subdir.Jan Wen Voung
The subdirectory has a lit.local.cfg that marks the tests unsupported if llvm was built without Asserts. There will be a patch in LLVM that disables statistics gathering when built without Asserts so that full Release builds can be faster. Statistics can also be enabled by building with -DLLVM_ENABLE_STATS. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176730 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Sema: Preserve attributes on parameters in instantiated function templates.Jordan Rose
This was causing correctness issues for ARC and the static analyzer when a function template has "consumed" Objective-C object parameters (i.e. parameters that will be released by the function before returning). The fix is threefold: (1) Actually copy over the attributes from old ParmVarDecls to new ones. (2) Have Sema::BuildFunctionType only work for building FunctionProtoTypes, which it was doing anyway. This allows us to pass an ExtProtoInfo instead of a plain ExtInfo and several flags. (3) Drop param attributes as part of StripImplicitInstantiation, which is used when an implicit instantiation is followed by an explicit one. <rdar://problem/12685622> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176728 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08<rdar://problem/13094134> Don't try to wire up typedef names for invalid ↵Douglas Gregor
anonymous tag declarations encountered during template instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176727 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08ArrayRef-ize ASTContext::getFunctionType and Sema::BuildFunctionType.Jordan Rose
No (intended) functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176726 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08<rdar://problem/13140795> Transform the scope type of a pseudo-destructor ↵Douglas Gregor
expression within the object scope. We were transforming the scope type of a pseudo-destructor expression (e.g., the first T in x->T::~T()) as a freestanding type, which meant that dependent template specialization types here would stay dependent even when no template parameters were named. This would eventually mean that a dependent expression would end up in what should be fully-instantiated ASTs, causing IRgen to assert. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176723 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[PCH] When complaining that a header from the PCH was modified, also mentionArgyrios Kyrtzidis
the filename of the PCH file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176717 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[libclang] Modify clang_findReferencesInFile and clang_findIncludesInFile to ↵Argyrios Kyrtzidis
return a value. Possible values are: 1 : if a parameter was invalid -1 : if the callback returned CXVisit_Break, otherwise returns 0. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176716 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Fixes breaking of string literals.Manuel Klimek
1. We now ignore all non-default string literals, including raw literals. 2. We do not break inside escape sequences any more. FIXME: We still break in trigraphs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176710 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Remove unused variable.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176704 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Add support for the OpenCL attribute 'vec_type_hint'.Joey Gouly
Patch by Murat Bolat! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176686 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[libclang] Introduce clang_findIncludesInFile, that can be used to retrieve ↵Argyrios Kyrtzidis
all #import/#include directives in a specific file. It passes to the visitor, that the caller provides, CXCursor_InclusionDirective cursors for all the include directives in a particular file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176682 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[libclang] When calling the function of CXCursorAndRangeVisitor, don't forget toArgyrios Kyrtzidis
stop visitation if it returns CXVisit_Break. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176681 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[libclang] Add Logger::operator<< overloads for CXCursor and FileEntry.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176680 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[driver] If we're just linking, don't report --param X as unused option.Chad Rosier
PR15327 rdar://13372628 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176670 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07HeaderDoc: Support more of HeaderDoc documentation Fariborz Jahanian
commands; top level tags such as @interface and their 2nd level tags such as @coclass, etc. // rdar://12379114 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176667 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add code completion for @import <rdar://problem/13344306>.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176666 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Improve LLDB's implicit cast-to-id to work with C++11 auto and any ↵Douglas Gregor
Objective-C object type <rdar://problem/13338107>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176665 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07When possible, move __block variables to the heap rather than copying them.Douglas Gregor
Fixes <rdar://problem/13330126>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176663 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Promote atomic type sizes up to a power of two, capped byJohn McCall
MaxAtomicPromoteWidth. Fix a ton of terrible bugs with _Atomic types and (non-intrinsic-mediated) loads and stores thereto. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176658 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Move the atomics code into its own file.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176657 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Change hasAggregateLLVMType, which conflates complex andJohn McCall
aggregate types in a profoundly wrong way that has to be worked around in every call site, to getEvaluationKind, which classifies and distinguishes between all of these cases. Also, normalize the API for loading and storing complexes. I'm working on a larger patch and wanted to pull these changes out, but it would have be annoying to detangle them from each other. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176656 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add CharUnits::alignmentAtOffset.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176655 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Evaluate compound literals directly into the result aggregateJohn McCall
when that aggregate isn't potentially aliased. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176654 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Remove temporary std::vectors that ca be replaced with ArrayRef's magic.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176653 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Remove unncessary whitespace when triggered on empty line.Daniel Jasper
With the cursor located at "I", clang-format would not do anything to: int a; I int b; With this patch, it reduces the number of empty lines as necessary, and removes unnecessary whitespace. It does not change/reformat "int a;" or "int b;". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176650 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Adding lvalue and rvalue reference type matchersEdwin Vane
Updated docs and tests. Reviewers: klimek, gribozavr git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176630 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add 'e' to the SPIR data layout - SPIR is little endian for now.Guy Benyei
Add 32/64 bit specific target defines for SPIR. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176629 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Minor refactor of how we get compilation phases.Matthew Curtis
There is now a single function to get the list of phases for a given output Type. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176628 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Fix build with clang, this was supposed to be part of r176617.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176619 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add flags for additional control over coverage generation. Pick the versionNick Lewycky
string to be emitted, and two properties about the files themselves. Use $PWD to absolut-ify the path to the coverage file. Yes, this is what GCC does. Reverts my own r175706. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176617 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07[analyzer] Warn on passing a reference to null pointer as an argument in a callAnna Zaks
Warn about null pointer dereference earlier when a reference to a null pointer is passed in a call. The idea is that even though the standard might allow this, reporting the issue earlier is better for diagnostics (the error is reported closer to the place where the pointer was set to NULL). This also simplifies analyzer’s diagnostic logic, which has to track “where the null came from”. As a consequence, some of our null pointer warning suppression mechanisms started triggering more often. TODO: Change the name of the file and class to reflect the new check. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176612 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Don't duplicate function names. Thanks to Jordan Rose for pointing it out.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176609 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add a hasExternalLinkage helper. No functionality change.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176607 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add a hasExternalStorageAsWritten helper. No functionality change.Rafael Espindola
It is possible that some of the current uses of "getStorageClassAsWritten() == SC_Extern" should use this but I don't know enough about SC_PrivateExtern to change and test them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176606 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Fix typo.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176603 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07[analyzer] Check for returning null references in ReturnUndefChecker.Jordan Rose
Officially in the C++ standard, a null reference cannot exist. However, it's still very easy to create one: int &getNullRef() { int *p = 0; return *p; } We already check that binds to reference regions don't create null references. This patch checks that we don't create null references by returning, either. <rdar://problem/13364378> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176601 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07[analyzer] Clean up a few doc comments for ProgramState and CallEvent.Jordan Rose
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176600 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06Ensure that DIType is regenerated after we visit an implementationAdrian Prantl
that adds ivars to an interface. Fixes rdar://13175234 This is an update to r176116 that performs a smart caching of interfaces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176584 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[analyzer] Pass the correct Expr to the bug reporter visitors when dealing ↵Anna Zaks
with CompoundLiteralExpr This allows us to trigger the IDC visitor in the added test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176577 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[analyzer] IDC: Add config option; perform the idc check on first “null ↵Anna Zaks
node” rather than last “non-null”. The second modification does not lead to any visible result, but, theoretically, is what we should have been looking at to begin with since we are checking if the node was assumed to be null in an inlined function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176576 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[PCH] When pre-validating the headers from the PCH, only validate non-system ↵Argyrios Kyrtzidis
headers. Stat'ing all the headers from the PCH to make sure they are up-to-date takes significant time. In a particular source file (whose PCH file included Cocoa.h) from total -fsyntax-only time 12% was just stat calls. Change pre-validation to only check non-system headers. There are some notable disadvantages: -If a system header, that is not include-guarded, changes after the PCH was created, we will not find it in the header info table and we will #import it, effectively #importing it twice, thus we will emit some error due to a multiple definition and after that the "header was modified" error will likely be emitted, for example something like: NSDictionary.h:12:1: error: duplicate interface definition for class 'NSDictionary' @interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSSecureCoding, NSFastEnumeration> ^ NSDictionary.h:12:12: note: previous definition is here @interface NSDictionary : NSObject <NSCopying, NSMutableCopying, NSSecureCoding, NSFastEnumeration> ^ fatal error: file 'NSDictionary.h' has been modified since the precompiled header was built Though we get the "header was modified" error, this is a bit confusing. -Theoretically it is possible that such a system header will cause no errors but it will just cause an unfortunate semantic change, though I find this rather unlikely. The advantages: -Reduces compilation time when using a huge PCH like the Cocoa ones -System headers change very infrequent and when they do, users/build systems should be able to know that re-building from scratch is needed. Addresses rdar://13056262 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176567 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[PCH] For HeaderFileInfoTrait, hash the key using size & time of the file.Argyrios Kyrtzidis
Previously the hash would be the filename portion of the path, which could be different for a filename with different case or a symbolic link with a different name completely. This did not actually create any issue so far because by validating all headers in the PCH we created uniqued FileEntries based on inodes, so an #include of a symbolic link (refering to a file from the PCH) would end up with a FileEntry with filename same as the one recorded in the PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176566 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[PCH] We don't need to instantiate HeaderFileInfoTrait in ASTReader more ↵Argyrios Kyrtzidis
than once. We can just re-use the one from HeaderFileInfoLookupTable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176565 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[PCH] Remove a couple of fields from ↵Argyrios Kyrtzidis
serialization::reader::HeaderFileInfoTrait that are not used for anything. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176564 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06Spell Objective-C correctly.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176563 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06say objective-C in the warning and streamlineFariborz Jahanian
several diagnostics into one. // rdar://13094352 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176560 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06Driver: add support for new style multiarch in Ubuntu 13.04Dmitri Gribenko
Patch by Sanne Wouda. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176557 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06New ASTMatchers and enhancement to hasOverloadedOperatorNameEdwin Vane
Added two new narrowing matchers: * hasMethod: aplies a matcher to a CXXRecordDecl's methods until a match is made or there are no more methods. * hasCanonicalType: applies a matcher to a QualType's canonicalType. Enhanced hasOverloadedOperatorName to work on CXXMethodDecl as well as CXXOperatorCallExpr. Updated tests and docs. Reviewers: klimek, gribozavr git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176556 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[Sanitize] Don't emit function attribute sanitize_address/thread/memory if ↵Alexey Samsonov
the function is blacklisted. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176550 91177308-0d34-0410-b5e6-96231b3b80d8
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