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* Fix a pair of invalidation bugs when emitting protocol definitionsJohn McCall2012-03-301-2/+6
| | | | | | | in the fragile and non-fragile Mac ObjC runtimes. No useful test case. Fixes rdar://problem/11072576. llvm-svn: 153778
* Unify naming of LangOptions variable/get function across the Clang stack ↵David Blaikie2012-03-111-18/+18
| | | | | | | | | | (Lex to AST). The member variable is always "LangOpts" and the member function is always "getLangOpts". Reviewed by Chris Lattner llvm-svn: 152536
* Add clang support for new Objective-C literal syntax for NSDictionary, NSArray,Ted Kremenek2012-03-061-1/+52
| | | | | | | | | | | | | NSNumber, and boolean literals. This includes both Sema and Codegen support. Included is also support for new Objective-C container subscripting. My apologies for the large patch. It was very difficult to break apart. The patch introduces changes to the driver as well to cause clang to link in additional runtime support when needed to support the new language features. Docs are forthcoming to document the implementation and behavior of these features. llvm-svn: 152137
* Remove stray semi-colons.Daniel Dunbar2012-02-281-2/+2
| | | | llvm-svn: 151631
* Use an ArrayRef when we can instead of passing in a SmallVectorImpl reference.Bill Wendling2012-02-221-7/+7
| | | | llvm-svn: 151150
* objc IRGen: force CSE of load of ivar offsets by settingFariborz Jahanian2012-02-201-1/+6
| | | | | | | the 'invariant.load' metadata tag onto those loads. // rdar://10840980 llvm-svn: 150994
* Whether an argument is required (in contrast with being anJohn McCall2012-02-171-36/+26
| | | | | | | | | | | | | | | | | | | | | optional argument passed through the variadic ellipsis) potentially affects how we need to lower it. Propagate this information down to the various getFunctionInfo(...) overloads on CodeGenTypes. Furthermore, rename those overloads to clarify their distinct purposes, and make sure we're calling the right one in the right place. This has a nice side-effect of making it easier to construct a function type, since the 'variadic' bit is no longer separable. This shouldn't really change anything for our existing platforms, with one minor exception --- we should now call variadic ObjC methods with the ... in the "right place" (see the test case), which I guess matters for anyone running GNUStep on MIPS. Mostly it's just a substantial clean-up. llvm-svn: 150788
* Use the new method for specifying garbage collection metadata in the module.Bill Wendling2012-02-161-25/+40
| | | | | | | | | | The garbage collection metadata needs to be merged "intelligently", when two or more modules are linked together, and not merely appended. (Appending creates a section which is too large.) The module flags metadata method is the way to do this. <rdar://problem/8198537> llvm-svn: 150648
* objc-arc: For arc's ivar layout, treat __unsafe_unretained ivarsFariborz Jahanian2012-02-161-0/+4
| | | | | | as unscanned. // rdar://10832643 llvm-svn: 150639
* Remove evil const_cast that's not needed anymore.Bill Wendling2012-02-091-3/+1
| | | | llvm-svn: 150210
* Use SmallVector when we can instead of std::vector.Bill Wendling2012-02-091-23/+23
| | | | | | | This looks like it had a small, but measurable performance improvement on -O0 compile time for our ObjC tests. llvm-svn: 150208
* Switch the ObjC*Decl raw_stream overloads to take a reference, for ↵Benjamin Kramer2012-02-071-1/+1
| | | | | | consistency with NamedDecls. llvm-svn: 149981
* Use SmallVector instead of std::vector.Bill Wendling2012-02-071-4/+4
| | | | llvm-svn: 149976
* Use 'ArrayRef<>' instead of 'std::vector<>&' for passed-in arguments.Bill Wendling2012-02-071-39/+38
| | | | llvm-svn: 149975
* Calculate the .size() of the vector once.Bill Wendling2012-02-071-5/+5
| | | | llvm-svn: 149974
* simplify a bunch of code to use the well-known LLVM IR types computed by ↵Chris Lattner2012-02-071-16/+11
| | | | | | CodeGenModule. llvm-svn: 149943
* use cheaper llvm APIs for various bits of IR generation.Chris Lattner2012-02-061-17/+9
| | | | llvm-svn: 149916
* reapply the patches reverted in r149477, which enable ConstantDataArray.Chris Lattner2012-02-051-9/+9
| | | | llvm-svn: 149801
* Basic: import SmallString<> into clang namespaceDylan Noblesmith2012-02-051-5/+5
| | | | | | | (I was going to fix the TODO about DenseMap too, but that would break self-host right now. See PR11922.) llvm-svn: 149799
* Revert r149363 which was part a series of commits that were reverted in llvmArgyrios Kyrtzidis2012-02-011-9/+9
| | | | | | | | | | | | | | | | | commit 149470. This fixes test/CodeGen/PR3589-freestanding-libcalls.c. Original log: ConstantArray::get() (for strings) is going away, use ConstantDataArray::getString instead. Many instances of ConstantArray::get() could be moved to use more efficient ConstantDataArray methods that avoid a ton of intermediate Constant*'s for each element (e.g. GetConstantArrayFromStringLiteral). I don't plan on doing this in the short-term though. llvm-svn: 149477
* Support @compatibility_alias at run time (GNUstep Runtime)David Chisnall2012-01-311-0/+5
| | | | | | Patch by Niels Grewe! llvm-svn: 149401
* Don't zero terminate the bitmap twice.Benjamin Kramer2012-01-311-1/+1
| | | | llvm-svn: 149377
* ConstantArray::get() (for strings) is going away, useChris Lattner2012-01-311-9/+9
| | | | | | | | | | | | ConstantDataArray::getString instead. Many instances of ConstantArray::get() could be moved to use more efficient ConstantDataArray methods that avoid a ton of intermediate Constant*'s for each element (e.g. GetConstantArrayFromStringLiteral). I don't plan on doing this in the short-term though. llvm-svn: 149363
* test for a v-table dispatch that consumes anFariborz Jahanian2012-01-301-2/+16
| | | | | | | argument. twik to support the test case. // rdar://10444476 llvm-svn: 149298
* objc-arc: Perform null check on receiver before sending methods whichFariborz Jahanian2012-01-301-3/+52
| | | | | | | | | consume one or more of their arguments. If not done, this will cause a leak as method will not consume the argument when receiver is null. In this patch, the null path releases consumed argument. // rdar://10444474 llvm-svn: 149279
* revert r149184Fariborz Jahanian2012-01-291-17/+58
| | | | llvm-svn: 149205
* objc-arc: Perform null check on receiver before sending methods whichFariborz Jahanian2012-01-281-58/+17
| | | | | | | | consume one or more of their arguments. If not done, this will cause a leak as method will not consume the argument when receiver is null. // rdar://10444474 llvm-svn: 149184
* More dead code removal (using -Wunreachable-code)David Blaikie2012-01-201-1/+0
| | | | llvm-svn: 148577
* Make sure to initialize ExternalProtocolPtrTyDouglas Gregor2012-01-171-1/+2
| | | | llvm-svn: 148358
* Don't eagerly deserialize the 'Protocol' type when initializing codeDouglas Gregor2012-01-171-8/+19
| | | | | | generation for Objective-C; it may not be needed. llvm-svn: 148317
* Remove unnecessary default cases in switches over enums.David Blaikie2012-01-171-2/+0
| | | | | | This allows -Wswitch-enum to find switches that need updating when these enums are modified. llvm-svn: 148281
* objc++: some declarations related to atomicFariborz Jahanian2012-01-061-0/+27
| | | | | | | properties of c++ object types with non-trivial assignment copy. Not used yet. // rdar://6137845 llvm-svn: 147666
* Introduce the core infrastructure needed to model redeclaration chainsDouglas Gregor2012-01-011-0/+8
| | | | | | | | | | | | | | | for Objective-C protocols, including: - Using the first declaration as the canonical declaration - Using the definition as the primary DeclContext - Making sure that all declarations have a pointer to the definition data, and that we know which declaration is the definition - Serialization support for redeclaration chains and for adding definitions to already-serialized declarations. However, note that we're not taking advantage of much of this code yet, because we're still re-using ObjCProtocolDecls. llvm-svn: 147410
* Mark the calls to the _setjmp function as returns twice. ↵Bill Wendling2011-12-191-0/+2
| | | | | | <rdar://problem/10492556> llvm-svn: 146926
* Add bigger method type encodings to protocol objects. <rdar://problem/10492418>Bob Wilson2011-11-301-13/+70
| | | | | | | | | | | | | | | | | | The new metadata are method @encode strings with additional data. 1. Each Objective-C object is marked with its class name and protocol names. The same is done for property @encode already. 2. Each block object is marked with its function prototype's @encoding. For example, a method parameter that is a block object that itself returns void and takes an int would look like: @?<v@?i> These new method @encode strings are stored in a single array pointed to by structs protocol_t and objc_protocol_ext. Patch provided by Greg Parker! llvm-svn: 145469
* The _setjmp builtin library function should have the "returns twice"Bill Wendling2011-11-291-1/+2
| | | | | | | | attribute. This prevents the stack slot allocator from coming along and using a stack which it thinks is available but isn't. <rdar://problem/10492556> llvm-svn: 145332
* Add invariant.load metadata to loads from selector references. Allows these ↵Pete Cooper2011-11-101-1/+6
| | | | | | loads to later be moved/combined in the optimizer. Fixes <rdar://problem/6027699> llvm-svn: 144318
* In x86_64, when calling an Objective-C method that returns a _Complex long ↵Anders Carlsson2011-10-311-0/+27
| | | | | | double, make sure to use the objc_msgSend_fp2ret function which ensures that the return value will be {0, 0} if the receiver is nil. llvm-svn: 143350
* Objective-c: fix an ir-gen crash where objc messag returns a _ComplexFariborz Jahanian2011-10-261-8/+24
| | | | | | | value and ABI requires return slot to be passed as first argument to message sent. // rdar://10331109 llvm-svn: 143053
* Replace vectors with arrays.Benjamin Kramer2011-10-151-64/+70
| | | | llvm-svn: 142072
* Constant expression evaluation refactoring:Richard Smith2011-10-101-3/+2
| | | | | | | | | | | - Remodel Expr::EvaluateAsInt to behave like the other EvaluateAs* functions, and add Expr::EvaluateKnownConstInt to capture the current fold-or-assert behaviour. - Factor out evaluation of bitfield bit widths. - Fix a few places which would evaluate an expression twice: once to determine whether it is a constant expression, then again to get the value. llvm-svn: 141561
* When performing an @throw in ARC, retain + autoreleaseJohn McCall2011-10-011-2/+2
| | | | | | | the pointer, being sure to do so before running cleanups associated with that full-expression. rdar://10042689 llvm-svn: 140945
* de-tmpify clang.Benjamin Kramer2011-09-271-15/+13
| | | | llvm-svn: 140637
* Removing a bunch of dead returns/breaks after llvm_unreachables.David Blaikie2011-09-231-1/+0
| | | | llvm-svn: 140407
* Switch assert(0/false) llvm_unreachable.David Blaikie2011-09-231-1/+1
| | | | llvm-svn: 140367
* Switch LangOptions over to a .def file that describes header of theDouglas Gregor2011-09-131-6/+6
| | | | | | | | | | 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. llvm-svn: 139605
* Clean up our handling of Objective-C definitions in AST files. RatherDouglas Gregor2011-09-101-7/+0
| | | | | | | | | 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. llvm-svn: 139441
* Introduce a new predicate Decl::isFromASTFile() to determine whether aDouglas Gregor2011-09-091-1/+1
| | | | | | | | 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(). llvm-svn: 139427
* Extend the ASTContext constructor to delay the initialization ofDouglas Gregor2011-09-021-4/+4
| | | | | | | | 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). llvm-svn: 138985
* switch clang to use the new-new way of creating llvm::StructType's.Chris Lattner2011-08-121-96/+68
| | | | llvm-svn: 137472
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