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2011-09-23Removing a bunch of dead returns/breaks after llvm_unreachables.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140407 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Switch assert(0/false) llvm_unreachable.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-13Switch LangOptions over to a .def file that describes header of theDouglas Gregor
language options. Use that .def file to declare the LangOptions class and initialize all of its members, eliminating a source of annoying initialization bugs. AST serialization changes are next up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139605 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-10Clean up our handling of Objective-C definitions in AST files. RatherDouglas Gregor
than having CodeGen check whether a declaration comes from an AST file (which it shouldn't know or care about), make sure that the AST writer and reader pass along "interesting" declarations that CodeGen needs to know about. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139441 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-09Introduce a new predicate Decl::isFromASTFile() to determine whether aDouglas Gregor
declaration was deserialized from an AST file. Use this instead of Decl::getPCHLevel() wherever possible. This is a simple step toward killing off Decl::getPCHLevel(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139427 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
2011-08-12switch 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
2011-08-11Encapsulate 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
2011-07-23remove unneeded llvm:: namespace qualifiers on some core types now that ↵Chris Lattner
LLVM.h imports them into the clang namespace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Convert IRBuilder::CreateGEP and IRBuilder::CreateInBoundsGEP to useJay Foad
ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135761 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Add a const overload for ObjCInterfaceDecl::all_declared_ivar_begin.Jordy Rose
This was previously not-const only because it has to lazily construct a chain of ivars the first time it is called (and after the chain is invalidated). In practice, all the clients were just const_casting their const Decls; all those now-unnecessary const_casts have been removed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135741 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-21Convert ConstantExpr::getGetElementPtr andJay Foad
ConstantExpr::getInBoundsGetElementPtr to use ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135673 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18de-constify llvm::Type, patch by David Blaikie!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135370 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-15Convert CallInst and InvokeInst APIs to use ArrayRef.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135265 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-12Generalize Cleanup::Emit's "isForEH" parameter into a setJohn McCall
of flags. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134997 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09clang side to match the LLVM IR type system rewrite patch.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134831 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Eliminate most uses of ShallowCollectObjCIvars which requiresFariborz Jahanian
a vector for collection. Use iterators where needed instead. // rdar://6817577 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134015 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23Support for catching objc pointer objects in c++ catch-statementFariborz Jahanian
in fragile abi mode and some other cleanups. // rdar://8940528 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133747 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22Alloa catching Objective-C id's being thrown with C++ throwFariborz Jahanian
in Darwin's fragile abi mode. // rdar://8940528 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133639 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-22Replace the existing forms of ConstantArray::get() with a single formJay Foad
that takes an ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133615 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20Update to match mainline ConstantStruct::get API change. Also, use Chris Lattner
ConvertType on InitListExprs as they are being converted. This is needed for a forthcoming patch, and improves the IR generated anyway (see additional type names in testcases). This patch also converts a bunch of std::vector's in CGObjCMac to use C arrays. There are a ton more that should be converted as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133413 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18update for api change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Automatic Reference Counting.John McCall
Language-design credit goes to a lot of people, but I particularly want to single out Blaine Garst and Patrick Beard for their contributions. Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself, in no particular order. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133103 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-11Implement support for C++11 in-class initialization of non-static data members.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132878 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-27Objective-C doesn't consider the use of incomplete types as methodDouglas Gregor
parameter types to be ill-formed. However, it relies on the completeness of method parameter types when producing metadata, e.g., for a protocol, leading IR generating to crash in such cases. Since there's no real way to tighten down the semantics of Objective-C here without breaking existing code, do something safe but lame: suppress the generation of metadata when this happens. Fixes <rdar://problem/9123036>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132171 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-17Patch to fix IR-gen crash generating structure ABI which implementsFariborz Jahanian
user specified string class via -fconstant-string-class option. pr9914. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131496 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-15Use arrays and SmallVectors instead of std::vectors when building functionJohn McCall
types. Also, cache a translation of 'void' in CGM and provide a ptrdiff_t alias. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131373 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Only perform the null-initialization of an aggregate result of a messageJohn McCall
send if the receiver is null. Normally it's not worthwhile to check this, but avoiding the null-initialization is nice, and this also avoids nasty problems where the null-initialization is visible within the call because we use an aliased result buffer. rdar://problem/9402992 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131366 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-14Objective-C vtables are not taking the world by storm; call themJohn McCall
out as "v-table" message sends and stop calling normal messages "legacy" message sends. Also, fix some comments to reveal the true state of affairs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131335 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-13Reorganize this method to avoid multiple calls for computing CGFunctionInfoJohn McCall
and to decrease the amount of effort in appending strings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131323 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-05type of last arg of objc_assign_ivar is ptrdiff_t. Fariborz Jahanian
// rdar://9362887 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130956 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-04Pack ivar offsets together.Bill Wendling
Ivar offsets for synthesized ivars are wrong, which could end up with a large number of dirty pages because of ivar fixups at runtime. When we pack all of the synthesized ivars into the same section, it limits the number of dirty pages created. Place them in the "__DATA,__objc_ivar" section. <rdar://problem/9374905> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130870 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-02Simplify code a bit by using CallArgList::add. No intended functionality ↵Eli Friedman
change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130699 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-22Fixes an instance method meta-data generation bug inFariborz Jahanian
ObjC NeXt runtime where method pointer registered in metadata belongs to an unrelated method. Ast part of this fix, I turned at @end missing warning (for class implementations) into an error as we can never be sure that meta-data being generated is correct. // rdar://9072317 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130019 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15fix a bunch of comment typos found by codespell. Patch byChris Lattner
Luis Felipe Strano Moraes! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129559 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14Replace a couple of divisions-by-'8' with divisions-by-charwidth. No changeKen Dyck
in functionality intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129491 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Obj-C/NeXT: Update and reapply 108847, now that changes are more baked.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128300 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Refactor CGObjCMac to use the shared code for EH stuff.David Chisnall
Sanity checked by John McCall. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128287 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-25Continuing work on ObjC tidyup:David Chisnall
- Moved the CGObjCRuntime functions out of CGObjCMac.cpp into CGObjCRuntime.cpp - Added generic functions in CGObjCRuntime for emitting @try and @synchronize blocks, usable by any runtime that uses DWARF exceptions. - Made the GNU runtimes use these functions. It should now be possible to replace the equivalent functions in CGObjCNonFragileABIMac with simple calls to these two functions, providing the runtime functions as arguments. I'll post a diff to the list for review before making any changes to the Mac runtime stuff. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128274 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Implement a new 'availability' attribute, that allows one to specifyDouglas Gregor
which versions of an OS provide a certain facility. For example, void foo() __attribute__((availability(macosx,introduced=10.2,deprecated=10.4,obsoleted=10.6))); says that the function "foo" was introduced in 10.2, deprecated in 10.4, and completely obsoleted in 10.6. This attribute ties in with the deployment targets (e.g., -mmacosx-version-min=10.1 specifies that we want to deploy back to Mac OS X 10.1). There are several concrete behaviors that this attribute enables, as illustrated with the function foo() above: - If we choose a deployment target >= Mac OS X 10.4, uses of "foo" will result in a deprecation warning, as if we had placed attribute((deprecated)) on it (but with a better diagnostic) - If we choose a deployment target >= Mac OS X 10.6, uses of "foo" will result in an "unavailable" warning (in C)/error (in C++), as if we had placed attribute((unavailable)) on it - If we choose a deployment target prior to 10.2, foo() is weak-imported (if it is a kind of entity that can be weak imported), as if we had placed the weak_import attribute on it. Naturally, there can be multiple availability attributes on a declaration, for different platforms; only the current platform matters when checking availability attributes. The only platforms this attribute currently works for are "ios" and "macosx", since we already have -mxxxx-version-min flags for them and we have experience there with macro tricks translating down to the deprecated/unavailable/weak_import attributes. The end goal is to open this up to other platforms, and even extension to other "platforms" that are really libraries (say, through a #pragma clang define_system), but that hasn't yet been designed and we may want to shake out more issues with this narrower problem first. Addresses <rdar://problem/6690412>. As a drive-by bug-fix, if an entity is both deprecated and unavailable, we only emit the "unavailable" diagnostic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128127 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Simplify Mac runtime selection - it's the factory function's job to select ↵David Chisnall
which class to produce, not CodeGenModule's. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128109 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Make the property accessor functions that take a ptrdiff_t actually take a ↵David Chisnall
ptrdiff_t instead of a long (should have no impact on any sane platforms, but win64 is not sane). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128104 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-09Fixed InnerLocStart.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08Fixed source range for all DeclaratorDecl's.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127225 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04Access ivars with inbounds GEPs, even in -fwrapv. It's unlikely thatJohn McCall
this can have any optimization effect, given the opacity of objects pointers, but you never know. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126990 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-04Let's do super message sends with static allocas instead of dynamic ones.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126989 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-01objc IRGen for Next runtime message API.Fariborz Jahanian
The prototype for objc_msgSend() is technically variadic - `id objc_msgSend(id, SEL, ...)`. But all method calls should use a prototype that matches the method, not the prototype for objc_msgSend itself(). // rdar://9048030 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126754 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-28Revert r126678.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126685 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-28objc IRGen for Next runtime message API.Fariborz Jahanian
The prototype for objc_msgSend() is technically variadic - `id objc_msgSend(id, SEL, ...)`. But all method calls should use a prototype that matches the method, not the prototype for objc_msgSend itself(). // rdar://9048030 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126678 91177308-0d34-0410-b5e6-96231b3b80d8
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