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2012-02-26Make clever use of padding to shrink IntegerLiterals.Benjamin Kramer
Inheritance allows us to use padding across classes. 40 -> 32 bytes on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151499 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-26Bit pack StringLiteral.Benjamin Kramer
48 -> 40 bytes on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151498 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-26Reduce padding in MemberExpr.Benjamin Kramer
56 -> 48 bytes on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151497 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-26CompoundLiteralExpr: Pair a bool with a pointer.Benjamin Kramer
48 -> 40 bytes on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151496 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-26Shuffle members of DesignatedInitExpr to avoid padding.Benjamin Kramer
40 -> 32 bytes on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151495 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-26Bit pack ExtProtoInfo.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151494 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-26Move FullSourceLoc::dump into the .cpp file, the used attribute made us emit ↵Benjamin Kramer
this into every TU that includes SourceLocation.h. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151493 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25ArrayRef'ize various functions in the AST/Parser/Sema.Ahmed Charles
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151447 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Fix r151443 to only apply C++11's exception for non-static data member accessRichard Smith
in cases where we would otherwise disallow the access, and add a -Wc++98-compat diagnostic for this C++11 feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151444 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Teach CXXRecordDecl::hasIrrelevantDestructor to check the base classes andRichard Smith
data members for deleted or user-provided destructors. Now it's computed in advance, serialize it, and in passing fix all the other record DefinitionData flags whose serialization was missing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151441 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Fix a regression from r151117: ADL requires that we attempt to complete anyRichard Smith
associated classes, since it can find friend functions declared within them, but overload resolution does not otherwise require argument types to be complete. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151434 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Don't record nested macro expansions in the preprocessing record,Argyrios Kyrtzidis
it can only bring pain when dealing with preprocessor abuse (see: boost). rdar://10898986 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151427 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Improve the diagnostic in ARC mode when a conditional with an Objective-C ↵Eli Friedman
type and void* is used. <rdar://problem/10486347>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151416 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Implement C++11 [over.match.copy]p1b2, which allows the use ofDouglas Gregor
explicit conversion functions to initialize the argument to a copy/move constructor that itself is the subject of direct initialization. Since we don't have that much context in overload resolution, we end up threading more flags :(. Fixes <rdar://problem/10903741> / PR10456. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151409 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Back out __decltype warning from r151377: we should either warn on all the GNURichard Smith
__keywords or none of them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151401 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24__decltype is a GNU extension, not a C++11 extension.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151377 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Two minor, related fixes for template instantiation with blocks:Douglas Gregor
- Make sure that the block expression is instantiation-dependent if the block is in a dependent context - Make sure that the C++ 'this' expression gets captured even if we don't rebuild the AST node during template instantiation. This would also have manifested as a bug for lambdas. Fixes <rdar://problem/10832617>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151372 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Implement a new type trait __is_trivially_constructible(T, Args...)Douglas Gregor
that provides the behavior of the C++11 library trait std::is_trivially_constructible<T, Args...>, which can't be implemented purely as a library. Since __is_trivially_constructible can have zero or more arguments, I needed to add Yet Another Type Trait Expression Class, this one handling arbitrary arguments. The next step will be to migrate UnaryTypeTrait and BinaryTypeTrait over to this new, more general TypeTrait class. Fixes the Clang side of <rdar://problem/10895483> / PR12038. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151352 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Reapply r151317, but when computing the PathDiagnostic profile and size keep ↵Ted Kremenek
into account the nested structure. Also fix a problem with how inlining impacted Plist diagnostics, and adjust some ranges in the Plist output due to richer information. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151346 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Revert r151317 - Rework PathDiagnostics creation.. - to appease buildbots.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151338 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-24Rework PathDiagnostic creation so that call stacks are captured by a nested ↵Ted Kremenek
PathDiagnosticCallPiece. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151317 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Handle "#pragma GCC visibility" in a few more places. Switch over "#pragma ↵Eli Friedman
pack" to use the same handling that gcc does. Fixes <rdar://problem/10871094> and <rdar://problem/10893316>. (Hopefully, common usage of these pragmas isn't irregular enough to break our current handling. Doug has ideas for a more crazy approach if necessary.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151307 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23objective-c++: Type of an objc string literal is NSString, not 'id'.Fariborz Jahanian
// rdar://10907410 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151296 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Pull the OpaqueValueExpr's source expression into its constructor, soDouglas Gregor
that we can correctly compute value-dependence of the OVE. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151291 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23[analyzer] Malloc: unique leak reports by allocation site.Anna Zaks
When we find two leak reports with the same allocation site, report only one of them. Provide a helper method to BugReporter to facilitate this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151287 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23[libclang] Make sure that all top-level decls in a @implementation areArgyrios Kyrtzidis
marked as such. Previously we missed tag declarations; fixes rdar://10902015 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151283 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Provide the __is_trivially_assignable type trait, which providesDouglas Gregor
compiler support for the std::is_trivially_assignable library type trait. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151240 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Two fixes to how we compute visibility:Rafael Espindola
* Handle some situations where we should never make a decl more visible, even when merging in an explicit visibility. * Handle attributes in members of classes that are explicitly specialized. Thanks Nico for the report and testing, Eric for the initial review, and dgregor for the awesome test27 :-) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151236 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Update parser's disambiguation to cope with braced function-style casts inRichard Smith
C++11, and with braced-init-list initializers in conditions. This exposed an ambiguity with enum underlying types versus bitfields, which we resolve by treating 'enum E : T {' as always defining an enumeration (even if it would only successfully parse as a bitfield). This appears to be g++ compatible. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151227 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Add new driver warning from r151174 to a warning group. Please let me know ↵Chad Rosier
if this isn't the appropriate grouping. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151177 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22[driver] Add a warning for when -mcpu= is specified without an argument. ThereChad Rosier
are likely many other OPT_xxxx_EQ options that could/should be added here. rdar://10704648 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151174 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Fix parsing and processing initializer lists in return statements and as ↵Sebastian Redl
direct member initializers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151155 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Warn about non-standard format strings (pr12017)Hans Wennborg
This adds the -Wformat-non-standard flag (off by default, enabled by -pedantic), which warns about non-standard things in format strings (such as the 'q' length modifier, the 'S' conversion specifier, etc.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151154 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22More ArrayRef-ification of methods.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151152 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22ArrayRef-icize the function arguments.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151151 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Accept braced-init-lists in conditions, and, in passing, dramatically improveRichard Smith
the diagnostic for using a parenthesized direct-initializer in a condition. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151137 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Generate an AST for the conversion from a lambda closure type to aDouglas Gregor
block pointer that returns a block literal which captures (by copy) the lambda closure itself. Some aspects of the block literal are left unspecified, namely the capture variable (which doesn't actually exist) and the body (which will be filled in by IRgen because it can't be written as an AST). Because we're switching to this model, this patch also eliminates tracking the copy-initialization expression for the block capture of the conversion function, since that information is now embedded in the synthesized block literal. -1 side tables FTW. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Implement C++11 [expr.call]p11: If the operand to a decltype-specifier is aRichard Smith
function call (or a comma expression with a function call on its right-hand side), possibly parenthesized, then the return type is not required to be complete and a temporary is not bound. Other subexpressions inside a decltype expression do not get this treatment. This is implemented by deferring the relevant checks for all calls immediately within a decltype expression, then, when the expression is fully-parsed, checking the relevant constraints and stripping off any top-level temporary binding. Deferring the completion of the return type exposed a bug in overload resolution where completion of the argument types was not attempted, which is also fixed by this change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151117 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Fix typo correction of template arguments to once again allow type names.Kaelyn Uhrain
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151112 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-22Provide a way to disable auto-generation of preprocessed files during clang Chad Rosier
crash. This can speedup the process of generating a delta reduced test case. rdar://10905465 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151109 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Make sure Stmt::dump() is included in libclang.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Improve our handling of lambda expressions that occur within defaultDouglas Gregor
arguments. There are two aspects to this: - Make sure that when marking the declarations referenced in a default argument, we don't try to mark local variables, both because it's a waste of time and because the semantics are wrong: we're not in a place where we could capture these variables again even if it did make sense. - When a lambda expression occurs in a default argument of a function template, make sure that the corresponding closure type is considered dependent, so that it will get properly instantiated. The second bit is a bit of a hack; to fix it properly, we may have to rearchitect our handling of default arguments, parsing them only after creating the function definition. However, I'd like to separate that work from the lambdas work. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151076 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Also mark Type's dump() as 'used' to make it available in libclang.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151037 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Mark a few 'dump' methods as 'used' to make sure they are included in libclangArgyrios Kyrtzidis
and useable while debugging. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151033 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Implement name mangling for lambda expressions that occur within theDouglas Gregor
initializers of data members (both static and non-static). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151017 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-21Implement name mangling for lambda expressions that occur within theDouglas Gregor
default arguments of function parameters. This simple-sounding task is complicated greatly by two issues: (1) Default arguments aren't actually a real context, so we need to maintain extra state within lambda expressions to track when a lambda was actually in a default argument. (2) At the time that we parse a default argument, the FunctionDecl doesn't exist yet, so lambda closure types end up in the enclosing context. It's not clear that we ever want to change that, so instead we introduce the notion of the "effective" context of a declaration for the purposes of name mangling. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151011 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20[PCH] Recover gracefully if the ASTReader detects that a file is differentArgyrios Kyrtzidis
from the one stored in the PCH/AST, while trying to load a SLocEntry. We verify that all files of the PCH did not change before loading it but this is not enough because: - The AST may have been 1) kept around, 2) to do queries on it. - We may have 1) verified the PCH and 2) started parsing. Between 1) and 2) files may change and we are going to have crashes because the rest of clang cannot deal with the ASTReader failing to read a SLocEntry. Handle this by recovering gracefully in such a case, by initializing the SLocEntry with the info from the PCH/AST as well as reporting failure by the ASTReader. rdar://10888929 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151004 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Make PreprocessorOptions::DetailedRecordIncludesNestedMacroExpansions false ↵Argyrios Kyrtzidis
by default. Recording nested macro expansions is not useful, plus it fixes rdar://10893630 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150995 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20modern objc translator. Finish off first cut of theFariborz Jahanian
modern meta-data translation by commenting out private ivar declarations in user source. Also, added several tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150985 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-20Basic support for name mangling of C++11 lambda expressions. BecauseDouglas Gregor
name mangling in the Itanium C++ ABI for lambda expressions is so dependent on context, we encode the number used to encode each lambda as part of the lambda closure type, and maintain this value within Sema. Note that there are a several pieces still missing: - We still get the linkage of lambda expressions wrong - We aren't properly numbering or mangling lambda expressions that occur in default function arguments or in data member initializers. - We aren't (de-)serializing the lambda numbering tables git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150982 91177308-0d34-0410-b5e6-96231b3b80d8
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