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2012-10-05Workaround for libstdc++4.6 <atomic> bug: make comment more explicit about ↵Richard Smith
what's going on, per Sean Silva's suggestion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165286 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Implement -Wshift-op-parentheses for: a << b + cDavid Blaikie
This appears to be consistent with GCC's implementation of the same warning under -Wparentheses. Suppressing a << b + c for cases where 'a' is a user defined type for compatibility with C++ stream IO. Otherwise suggest parentheses around the addition or subtraction subexpression. (this came up when MSVC was complaining (incorrectly, so far as I can tell) about a perceived violation of this within the LLVM codebase, PR14001) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165283 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05[Modules] Introduce Module::TopHeaders which is a set of top-level headersArgyrios Kyrtzidis
that are associated with a (sub)module. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165279 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05[preprocessing record] Have PPEntityID be independent of the size of theArgyrios Kyrtzidis
loaded entities vector, otherwise its meaning will change when a module is imported and the vector size changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165278 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05[libclang] Introduce CXCursor_ModuleImportDecl cursor kind, used for a moduleArgyrios Kyrtzidis
import declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165277 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04If we flow off the end of a value-returning function:Richard Smith
- outside C++, return undef (behavior is not undefined unless the value is used) - in C++, with -fcatch-undefined-behavior, perform an appropriate trap - in C++, produce an 'unreachable' (behavior is undefined immediately) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165273 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Egriegious hack to support libstdc++4.6's broken <atomic> header, which definesRichard Smith
a non-inline namespace, then reopens it as inline to try to add its symbols to the surrounding namespace. In this one special case, permit the namespace to be reopened as inline, and patch up the name lookup tables to match. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165263 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Fixed FunctionTypeLoc source range.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165259 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Fixed instantiated operators source range.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165258 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Fixed ParamDecl source range for implicit typed k&r parameters.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165256 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Driver: Link crtfastmath.o if it's available and -ffast-math is specified.Benjamin Kramer
crtfastmath.o contains routines to set the floating point flags to a faster, unsafe mode. Linking it in speeds up code dealing with denormals significantly (PR14024). For now this is only enabled on linux where I can test it and crtfastmath.o is widely available. We may want to provide a similar file with compiler-rt eventually and/or enable it on other platforms too. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165240 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Fix scope location when parsing GNU attributes.Michael Han
For GNU attributes, instead of reusing attribute source location for the scope location, use SourceLocation() since GNU attributes don not have scope tokens. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165234 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Prefer StringRef::startswith to the strncmp/strlen contraption.Benjamin Kramer
This may be slightly more efficient and is definitely more readable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165217 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Fix typo in comments.Logan Chien
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165216 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Fix r165005: The lexical DeclContext is not the right place to make a ↵Axel Naumann
decision about whether we need to call tryAddTopLevelDecl or not. That call should be made when the DeclContext's redeclaration context is the translation unit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165215 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Add missing comment for mangling.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165202 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Fail early with a clear assert if an operation with multiple uses somehow endsLang Hames
up being contracted during codegen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165197 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Permanently end the whole "pragma got handled by the parser too early"Eli Friedman
mess by handling all pragmas which the parser touches uniformly. <rdar://problem/12248901>, etc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165195 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03[libclang] When indexing, invoke the importedASTFile for PCH files as well.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165161 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Fix invalid reads by memcmp.Benjamin Kramer
Str may be smaller than Start->Name here. Use strncmp to avoid scanning past the end. Found by valgrind. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165157 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Always initialize FPContractable.Benjamin Kramer
false is used as a baseline here, we may want to allow contraction in some of the cases. Found by valgrind. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165156 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03[Options] Store the owning OptTable in Option so it can construct Group and ↵Michael J. Spencer
Alias. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165150 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Remove useless parameter "WantFile" from Driver::GetProgramPath().Simon Atanasyan
This parameter is useless because nowhere used explicitly and always gets its default value - "false". The patch reviewed by Rafael Espindola. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165149 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03This patch enables general varargs support for the 64-bit PPC SVR4 ABI.Bill Schmidt
Most of the pieces for this were already in place, but a proper EmitVAArg is needed for aggregates and complex numbers to be handled. Although the va_list for 64-bit PowerPC SVR4 consists of GPRs 3 through 10 together with the overflow portion of the parameter save area, we can treat va_list as pointing to contiguous memory for all parameters, since the back end forces the parameter GPRs to memory for varargs functions. There is no need at this time to model parameters and return values beyond what the DefaultABIInfo provides. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165143 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Remove ASTReader::needPendingInstantiation(), introduced in r164993,Douglas Gregor
which is neither correct nor necessary. The use of this routine was eliminated by r165137. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165139 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Add some FIXMEs to the ASTReader codeDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165138 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Revert most of the functionality in r165001. Instead, make sure thatDouglas Gregor
the ASTReader doesn't attach a body to a function that is already defined elsewhere. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165137 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03objective-C arc: Warn under arc about a use of an ivar inside a blockFariborz Jahanian
that doesn't have a 'self' as this implicitly captures 'self' and could create retain cycles. Provide fixit. // rdar://11194874 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165133 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Implement Adnroid MIPS toolchain support:Simon Atanasyan
1. Add mipsel-linux-android to the list of valid MIPS target triples. 2. Add <gcc install path>/mips-r2 to the list of toolchain specific path prefixes if target is mipsel-linux-android. The patch reviewed by Logan Chien. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03CodeGen: Fix a silly typo when emitting subs of block addresses.Benjamin Kramer
Part of PR14005. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165117 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03When mangling an APSInt with the ms abi, make sure to look at all nibbles.Nico Weber
Currently, it's ignored if the number of set bits isn't divisible by 4. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165116 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Fix typo in comments.Logan Chien
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165105 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03While I'm here, resync a %select with the enum definition it selects on.Nico Weber
* nullptr used to be mapped to ERROR, now mapped to nullptr * integral was missing * expressions now have their own error message, so they won't reach this. Map them to ERROR. Note that clang usually crashes before emitting this diagnostic anyway (see PR13984), so this change alone doesn't have an observable effect. It makes the code more correct though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Move expression mangling in the microsoft mangler to its own function.Nico Weber
This matches what's done in ItaniumMangle and makes it a bit easier to implement mangling for more expressions. Also use the slightly nicer "not yet implemented" error message from there. No functionality change (except for the different error message). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Replace a default: with an explicit list of cases. No functionality change.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165091 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03[PCH] Fix serialization of an ImportDecl.Argyrios Kyrtzidis
ImportDecl's module ID was not written out and the reader accepted as module ID the serialized: Record.push_back(!IdentifierLocs.empty()); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165087 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Set the file entry for a Module* that was created during deserializationArgyrios Kyrtzidis
of a module file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165086 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Introduce ASTConsumer::HandleImplicitImportDecl() callback that is invokedArgyrios Kyrtzidis
when an ImportDecl that was implicitly created due to an inclusion directive. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165084 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Some renames to use the 'visitor' nomenclature, no functionality change.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165083 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Improve C++11 attribute parsing.Michael Han
- General C++11 attributes were previously parsed and ignored. Now they are parsed and stored in AST. - Add support to parse arguments of attributes that in 'gnu' namespace. - Differentiate unknown attributes and known attributes that can't be applied to statements when emitting diagnostic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165082 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03[analyzer] Adjust the return type of an inlined devirtualized method call.Jordan Rose
In C++, overriding virtual methods are allowed to specify a covariant return type -- that is, if the return type of the base method is an object pointer type (or reference type), the overriding method's return type can be a pointer to a subclass of the original type. The analyzer was failing to take this into account when devirtualizing a method call, and anything that relied on the return value having the proper type later would crash. In Objective-C, overriding methods are allowed to specify ANY return type, meaning we can NEVER be sure that devirtualizing will give us a "safe" return value. Of course, a program that does this will most likely crash at runtime, but the analyzer at least shouldn't crash. The solution is to check and see if the function/method being inlined is the function that static binding would have picked. If not, check that the return value has the same type. If the types don't match, see if we can fix it with a derived-to-base cast (the C++ case). If we can't, return UnknownVal to avoid crashing later. <rdar://problem/12409977> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165079 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03[analyzer] Push evalDynamicCast and evalDerivedToBase up to Store.Jordan Rose
These functions are store-agnostic, and would benefit from information in DynamicTypeInfo but gain nothing from the store type. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165078 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Teach getCXXRecordDeclForPointerType about references.Jordan Rose
Then, rename it getPointeeCXXRecordDecl and give it a nice doc comment, and actually use it. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165077 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Change how the SelfReferenceChecker handles MemberExpr. Instead of treatingRichard Trieu
each one separately, process a stack of MemberExpr's as a single unit so that static calls and member access will not be warned on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165074 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-02Revert 165058, per Jim request. This requires further discussion.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165070 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-02Silence -Wunused-value warning.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165059 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-02[ms-inline asm] Rewrite the symbol references as wildcard MCParsedAsmOperands.Chad Rosier
A Sema lookup is used to determine the size of the variable, which is in turn used during wildcard matching. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165058 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-02[PCH/Module] Change the map of file-level DeclIDs to use a FileIDArgyrios Kyrtzidis
as key instead of a SLocEntry pointer. This allows the array of file sorted declarations in a PCH/module to be deterministic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165047 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-02[libclang] When indexing an AST file, only deserialize the file levelArgyrios Kyrtzidis
declarations of the current primary module. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165046 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-02Refactor clients of AnalyzerOptions::getBooleanOption() to haveTed Kremenek
an intermediate helper method to query and populate the Optional value. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165043 91177308-0d34-0410-b5e6-96231b3b80d8
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