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2011-09-09Carry the debug information from single exit unified return blockEric Christopher
along with the new insert point. Fixes PR10829 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139416 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Treat the weak export of block runtime symbols as a deployment-targetJohn McCall
feature akin to the ARC runtime checks. Removes a terrible hack where IR gen needed to find the declarations of those symbols in the translation unit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139404 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Do a lookup for the blocks runtime globals to see if they were declared,Argyrios Kyrtzidis
instead of codegen waiting to consume such a declaration, which won't happen if that decls are coming from a PCH. Fixes rdar://10028656. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139359 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Give conversions of block pointers to ObjC pointers a different cast kindJohn McCall
than conversions of C pointers to ObjC pointers. In order to ensure that we've caught every case, add asserts to CastExpr that strictly determine which cast kind is used for which kind of bit cast. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139352 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-08Formatting.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139296 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-07Switch clang over to using fence/atomicrmw/cmpxchg instead of the intrinsics ↵Eli Friedman
(which will go away). LLVM CodeGen does almost exactly the same thing with these and the old intrinsics, so I'm reasonably confident this will not break anything. There are still a few issues which need to be resolved with code generation for atomic load and store, so I'm not converting the places which need those for now. I'm not entirely sure what to do about __builtin_llvm_memory_barrier: the fence instruction doesn't expose all the possibilities which can be expressed by __builtin_llvm_memory_barrier. I would appreciate hearing from anyone who is using this intrinsic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139216 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06When extracting the callee declaration from a call expression, be sureDouglas Gregor
to look through SubstNonTypeTemplateParmExprs. Then, update the IR generation of CallExprs to actually use CallExpr::getCalleeDecl() rather than attempting to mimick its behavior (badly). Fixes <rdar://problem/10063539>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139185 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06Rearrange code so that we pass the right pointer to delete[] when an ↵Eli Friedman
exception is thrown constructing the array elements in an array new expression. Fixes PR10870. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139158 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06When performing a derived-to-base cast on the right-hand side of theDouglas Gregor
synthesized move assignment within an implicitly-defined move assignment operator, be sure to treat the derived-to-base cast as an xvalue (rather than an lvalue). Otherwise, we'll end up getting the wrong constructor. Optimize a direct call to a trivial move assignment operator to an aggregate copy, as we do for trivial copy assignment operators, and update the the assertion in CodeGenFunction::EmitAggregateCopy() to cope with this optimization. Fixes PR10860. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139143 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02blocks: Support capturing complex variable in block.Fariborz Jahanian
// rdar://10033896 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139041 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02revert patch in r139020Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139029 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02blocks: Support capturing complex variable in block.Fariborz Jahanian
// rdar://10033896 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139020 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02Extend the ASTContext constructor to delay the initialization ofDouglas Gregor
builtin types (When requested). This is another step toward making ASTUnit build the ASTContext as needed when loading an AST file, rather than doing so after the fact. No actual functionality change (yet). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138985 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-01Don't try to emit unsupported templated friend declarations. They're unsupportedNick Lewycky
and may very well be dependent-types, triggering an assertion in debug info codegen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138970 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-30Declare and define implicit move constructor and assignment operator.Sebastian Redl
This makes the code duplication of implicit special member handling even worse, but the cleanup will have to come later. For now, this works. Follow-up with tests for explicit defaulting and enabling the __has_feature flag to come. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138821 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-30The size of struct UnwindException varies by platform with noJohn McCall
apparent general rule. Just special-case it as appropriate. PR10789. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138792 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-30Be sure to emit lvalue-to-rvalue casts for loads from x-values.John McCall
Doing this happens to disrupt the pattern that ARC was looking for for move optimizations, so we need to fix that simultaneously. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138789 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-27Remove unused variables noticed by GCC.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138707 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Slight optimization enabled by the previous assert: John McCall
emit all gl-value arguments as reference bindings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138655 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Assert that a call argument is a gl-value iff the parameter is a reference type.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138639 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26What say we document some of these AggValueSlot flags a bitJohn McCall
better. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138628 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26Since the 'is aliased' bit is critical for correctness in C++, itJohn McCall
really shouldn't be optional. Fix the remaining place where a temporary was being passed as potentially-aliased memory. Fixes PR10756. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138627 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26An initialization does not alias.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138624 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26The allocated exception slot does not alias anything; should fix self-host.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138615 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26[driver] Add -mglobal-merge/-mno-global-merge machine options to ↵Chad Rosier
enable/disable merging of globals during codegen. Fixes <rdar://problem/10017909>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138612 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Track whether an AggValueSlot is potentially aliased, and do notJohn McCall
emit call results into potentially aliased slots. This allows us to properly mark indirect return slots as noalias, at the cost of requiring an extra memcpy when assigning an aggregate call result into a l-value. It also brings us into compliance with the x86-64 ABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138599 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Use stronger typing for the flags on AggValueSlot and requireJohn McCall
creators to tell us whether something needs GC barriers. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138581 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25blocks - capturing logic of byref block variable's expression Fariborz Jahanian
statement initializer makes safe assumption when a substatement is encounterred (with a fix me). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138528 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Match LLVM change: TargetRegistry and TargetSelect have been moved to Support.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-24Make constant aggregate constant initializers private linkage.Eric Christopher
After talking with John making this the case for all of these is the right way to go. Fixes rdar://9804564 and PR10414 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138418 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Whitespace and 80-col cleanup.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138413 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Whitespace.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138404 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23Cleanup to use helper.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138369 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23checking for __block variable captured by givenFariborz Jahanian
stmt expression, recursively walk down all substatements of the stmt expression. // rdar://10001085 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138334 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-23block IRgen - Fixes a crash when determining if given block variableFariborz Jahanian
is captured by a given statement expression. // rdar://10001085 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-22Make sure we don't inline functions marked with __attribute__((naked)). ↵Eli Friedman
<rdar://problem/9973228> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138310 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix a handful of dead stores found by Clang's static analyzer. There's a ↵Ted Kremenek
bunch of others I haven't touched. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137867 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Mark objc methods that are implicitly declared for properties (not ↵Argyrios Kyrtzidis
user-declared) as implicit. This results in libclang ignoring such methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16Finalize debug info after all deferred globals are emitted.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137750 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15Use new DIBuilder::finalize() at the end to wrap up debug info encoding for ↵Devang Patel
a translation unit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137674 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15'pure' and 'const' functions should also be marked nounwind. MigrateEric Christopher
test over from llvm/test/FrontendC++ and update others to account for the change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137669 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-14Fix r137086 to actually work properly in general. PR10650.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137574 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-14Implement function template specialization at class scope extension in ↵Francois Pichet
Microsoft mode. A new AST node is introduced: ClassScopeFunctionSpecialization. This node holds a FunctionDecl that is not yet specialized; then during the class template instantiation the ClassScopeFunctionSpecialization will spawn the actual function specialization. Example: template <class T> class A { public: template <class U> void f(U p) { } template <> void f(int p) { } // <== class scope specialization }; This extension is necessary to parse MSVC standard C++ headers, MFC and ATL code. BTW, with this feature in, clang can parse (-fsyntax-only) all the MSVC 2010 standard header files without any error. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137573 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-13Move handling of vget_lane/vset_lane before the code that checks the type.Bob Wilson
Unlike most of the other Neon intrinsics, these are not overloaded and do not have the extra argument that specifies the vector type. This has not been fatal because the lane number operand is supposed to be an ICE and so that value has harmlessly been used as the type identifier. Radar 9901281. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137550 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12switch clang to use the new-new way of creating llvm::StructType's.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137472 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12Alignment of a va_arg must be at least as large as the ABI's minimum alignment.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137420 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12Add definition of a static member of a class.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137411 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-11Encapsulate the Objective-C id/Class/SEL "redefinition" types inDouglas Gregor
ASTContext with accessors/mutators. The only functional change is that the AST writer won't bother writing the id/Class/SEL redefinition type if it hasn't been explicitly set; previously, it ended up being written as a synonym for the built-in id/Class/SEL. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137349 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-11Simplify EH control flow by observing that EH scopes form a simpleJohn McCall
hierarchy of delegation, and that EH selector values are meaningful function-wide (good thing, too, or inlining wouldn't work). 2,3d 1a hierarchy of delegation and that EH selector values have the same meaning everywhere in the function instead of being meaningful only in the context of a specific selector. This removes the need for routing edges through EH cleanups, since a cleanup simply always branches to its enclosing scope. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137293 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-10Formatting.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137200 91177308-0d34-0410-b5e6-96231b3b80d8
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