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2012-11-15Simplify code. No functionality change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168047 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Do not cache a pointer to ExprEvalContexts.back().Benjamin Kramer
It may become a dangling pointer if the underlying SmallVector reallocates. Sadly the testcase is really large and doesn't reduce well because of SmallVector's reallocation patterns. Fixes PR14336. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168045 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Use empty parens for empty function parameter list instead of '(void)'.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Teach the uninitialized field warning about anonymous structs and union members.Nick Lewycky
Fixes PR14073! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168031 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Make -ffp-contract a codegen option, rather than a laguage option. This makesLang Hames
more sense anyway - it determines how expressions are codegen'd. It also ensures that -ffp-contract=fast has the intended effect when compiling LLVM IR. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168027 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Revert r167567, restoring the ability of clang to run gcc in cases where itNick Lewycky
can't handle the input file type. This resulted in PR14338. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168024 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Fix an off-by-one error by switching < to <= in ↵Richard Trieu
-Wtautological-constant-out-of-range-compare and added test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168023 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Do not use data recursion in ASTMatchFinder.Daniel Jasper
The matchers rely on the complete AST being traversed as shown by the new test cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168022 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[analyzer] Make sure calls in synthesized functions have valid path locations.Jordan Rose
We do this by using the "most recent" good location: if a synthesized function 'A' calls another function 'B', the path notes for the call to 'B' will be placed at the same location as the path note for calling 'A'. Similarly, the call to 'A' will have a note saying "Entered call from...", and now we just don't emit that (since the user doesn't have a body to look at anyway). Previously, we were doing this for the "Calling..." notes, but not for the "Entered call from..." or "Returning to caller". This caused a crash when the path entered and then exiting a call within a synthesized body. <rdar://problem/12657843> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168019 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Fix a trivial bool-related bug I spotted while skimming David Fang'sEli Friedman
current list of powerpc-darwin8 failures. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168016 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Per [basic.lookup.classref]p3, in an expression of the form p->~type-name, theRichard Smith
type-name is looked up in the context of the complete postfix-expression. Don't forget to pass the scope into this lookup when the type-name is a template-id; it might name an alias template which can't be found within the class itself. Bug spotted by Johannes Schaub on #llvm. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168011 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Fix DiagnoseBitwisePrecedence so it doesn't cast "-1" to the typeEli Friedman
BinaryOperator::Opcode. This is bad form, and the behavior of the static_cast in this case is unspecified according to the standard. Fixes a warning that showed up from r167992 on self-host. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168010 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Make template diffing handle integral expressions of various widths correctly.Eli Friedman
PR14342. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168005 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Add -cc1 option -fno-diagnostics-use-presumed-location, a handy mode forRichard Smith
working with preprocessed testcases. This causes source locations in diagnostics to point at the spelling location instead of the presumed location, while still keeping the semantic effects of the line directives (entering and leaving system-header mode, primarily). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168004 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14objective-C blocks: under cc1 flag -encode-extended-block-signature,Fariborz Jahanian
generate expanded signature encoding to include types as we already do this for protocol method lists. // rdar://12109031 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167997 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Improve -Wtautological-constant-out-of-range-compare by taking into accountRichard Trieu
type conversion between integers. This allows the warning to be more accurate. Also, turned the warning off in an analyzer test. The relavent test cases are covered by the tests in Sema. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167992 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Teach the AST importer to merge enumerator constants. FixesDouglas Gregor
<rdar://problem/12676166>, and tested on the LLDB side of the world. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167990 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14When evaluating variably modified types for function parameters, dig out theEli Friedman
type as written from the ParmVarDecl; it's unclear whether the standard (C99 6.9.1p10) requires this, but we're following the precedent set by gcc, and hopefully nobody will ever ask about this again. PR9559 / <rdar://problem/12621983>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167985 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Remove the cellspu port.Eric Christopher
Approved by Chris Lattner. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167983 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14ParseTemplate.cpp: Prune obsolete descriptions in ↵NAKAMURA Takumi
ParseSingleDeclarationAfterTemplate(), for now. [-Wdocumentation] /// \param TemplateParams if non-NULL, the template parameter lists /// that preceded this declaration. In this case, the declaration is a /// template declaration, out-of-line definition of a template, or an /// explicit template specialization. When NULL, the declaration is an /// explicit template instantiation. /// /// \param TemplateLoc when TemplateParams is NULL, the location of /// the 'template' keyword that indicates that we have an explicit /// template instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167982 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14The ObjC++-to-C++ personality trick is only necessary on NeXT runtimes,John McCall
which is not coincidentally the only place it works, either (because of how it tests for EH_TYPE symbols). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167935 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14fixes a buildbot failure.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167934 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Fix 80-column violation.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167932 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14objective-C blocks: Provide layout map for byrefFariborz Jahanian
variables captured in a block. // rdar://12184410 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14s/tranform/transform/Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167929 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Move some GNUStep-specific code out of CGObjCGNU.John McCall
Patch by Jonathan Schleifer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167925 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14PR14279: Work around this major miscompilation by treating move operations asRichard Smith
non-trivial if they would not call a move operation, even if they would in fact call a trivial copy operation. A proper fix is to follow, but this small directed fix is intended for porting to the 3.2 release branch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167920 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14When we have a MemberExpr referring to an overloaded static member function,Richard Smith
and we resolve it to a specific function based on the type which it's used as, don't forget to mark it as referenced. Fixes a regression introduced in r167514. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167918 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Code cleanup: Remove trailing whitespace in unwind.h.Logan Chien
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167915 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Remove debugging assert.David Blaikie
Found by Richard Smith in post-commit review of r167906. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167911 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14SemaTemplateDeduction.cpp: Prune two obsolete descriptions. [-Wdocumentation]NAKAMURA Takumi
* getMostSpecialized() /// \param Index if non-NULL and the result of this function is non-nULL, /// receives the index corresponding to the resulting function template /// specialization. * DeduceTemplateArguments() /// \param Name the name of the function being called. This is only significant /// when the function template is a conversion function template, in which /// case this routine will also perform template argument deduction based on /// the function to which git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167909 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14ParseTemplate.cpp: Doxygen fix in AnnotateTemplateIdToken(). [-Wdocumentation]NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167908 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Suppress elided variadic macro argument extension diagnostic for macros usingEli Friedman
the related comma pasting extension. In certain cases, we used to get two diagnostics for what is essentially one extension. This change suppresses the first diagnostic in certain cases where we know we're going to print the second diagnostic. The diagnostic is redundant, and it can't be suppressed in the definition of the macro because it points at the use of the macro, so we want to avoid printing it if possible. The implementation works by detecting constructs which look like comma pasting at the time of the definition of the macro; this information is then used when the macro is used. (We can't actually detect whether we're using the comma pasting extension until the macro is actually used, but we can detecting constructs which will be comma pasting if the varargs argument is elided.) <rdar://problem/12292192> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167907 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Provide the correct mangling and linkage for certain unnamed nested classes.David Blaikie
This corrects the mangling and linkage of classes (& their member functions) in cases like this: struct foo { struct { void func() { ... } } x; }; we were accidentally giving this nested unnamed struct 'no' linkage where it should've had the linkage of the outer class. The mangling was incorrecty too, mangling as TU-wide unnamed type mangling of $_X rather than class-scoped mangling of UtX_. This also fixes -Wunused-member-function which would incorrectly diagnose 'func' as unused due to it having no linkage & thus appearing to be TU-local when in fact it might be correctly used in another TU. Similar mangling should be applied to function local classes in similar cases but I've deferred that for a subsequent patch. Review/discussion by Richard Smith, John McCall, & especially Eli Friedman. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167906 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Fix an assertion failure printing the unused-label fixit in files using CRLF ↵Eli Friedman
line endings. <rdar://problem/12639047>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167900 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Remove another questionable use of hasTrivial*. The relevant thing for thisRichard Smith
test was whether the /selected/ operator= was trivial, not whether the class had any trivial (or any non-trivial) operator=s. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167897 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Accept and pass arguments to __unknown_anytype in argumentJohn McCall
positions of Objective-C methods. It is possible to recover a lot of type information about Objective-C methods from the reflective metadata for their implementations. This information is not rich when it comes to struct types, however, and it is not possible to produce a type in the debugger's round-tripped AST which will really do anything useful during type-checking. Therefore we allow __unknown_anytype in these positions, which essentially disables type-checking for that argument. We infer the parameter type to be the unqualified type of the argument expression unless that expression is an explicit cast, in which case it becomes the type-as-written of that cast. rdar://problem/12565338 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167896 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Revert "Use the 'count' attribute instead of the 'upper_bound' attribute."Eric Christopher
temporarily since it breaks the gdb bots. This reverts commit r167807/30305bec25cac981c6d4a3b8be004401310a82a7. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167887 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Don't try to save the assigned value in a Objective-C property assignmentEli Friedman
if the type of the value is a non-trivial class type. Fixes PR14318. (There's a minor ObjC++ language change here: given that we can't save the value, the type of the assignment expression is void in such cases.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167884 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13[ms] Make mangleIntegerLiteral less aware of exact type of the literal.Nico Weber
Integer literal mangling does not actually depend on exact type of the literal. This will simplify calling mangleIntegerLiteral when literal type is not known, for example, when sizes or offsets are mangled as integer literals. Also, call mangleNumber instead of directly printing mangled values of 0/1, to avoid this knowledge from being in multiple places. Patch from Evgeny Eltsin! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167878 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13For classes that have the warn_unused_result attribute, don't apply theKaelyn Uhrain
attribute to the class' methods even when they return an instance of the class (e.g. assignment operators). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13[analyzer] Address Jordan's code review for r167813.Anna Zaks
This simplifies logic, fixes a bug, and adds a test case. Thanks Jordan! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167868 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Revert r167801, "[preprocessor] When #including something that contributes noDaniel Dunbar
tokens at all,". This change broke External/Nurbs in LLVM test-suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167858 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Simplify function try/catch scope handling.David Blaikie
Based on post-commit review feedback for r167766 by Richard Smith. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167856 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Fix AST-matcher descendant visiting for Types, TypeLocs and ↵Daniel Jasper
NestedNamespecifierLocs. The RecursiveASTVisitor assumes that any given Traverse-method can be called with a NULL-node. So the subclass needs to handle these appropriately. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167850 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13This patch makes the behavior of clang consistent with the behavior of gcc ↵Benjamin Kramer
4.6 in cases where both -fPIC and -fPIE is used. - Separately check if -fPIE was specified in the command line and define both __PIC__ and __PIE__ when -fPIE is used. We need to check this separately because -fPIE will infer -fPIC even if its not explicitly used. - Fixed existing tests. - Added new tests for cases where both -fPIC and -fPIE is used. Author: Tareq A. Siraj <tareq.a.siraj@intel.com> Fixes: PR13221 Review: http://llvm-reviews.chandlerc.com/D94 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167846 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13UCNs in char literals are done (in LiteralSupport), remove FIXME. Expand UCN ↵Nico Weber
FIXME in LexNumericConstant. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167818 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Copy the decls returned by DeclContext::lookup_result to aArgyrios Kyrtzidis
new container so we can safely iterate over them. The container holding the lookup decls can under certain conditions be changed while iterating (e.g. because of deserialization). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167816 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Fix a Malloc Checker FP by tracking return values from initWithCharacterAnna Zaks
and other functions. When these functions return null, the pointer is not freed by them/ownership is not transfered. So we should allow the user to free the pointer by calling another function when the return value is NULL. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167813 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13Use the 'count' attribute instead of the 'upper_bound' attribute.Bill Wendling
If we have a type 'int a[1]' and a type 'int b[0]', the generated DWARF is the same for both of them because we use the 'upper_bound' attribute. Instead use the 'count' attrbute, which gives the correct number of elements in the array. <rdar://problem/12566646> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167807 91177308-0d34-0410-b5e6-96231b3b80d8
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