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2011-05-01Add r130624 back now that ELF has been fixed to work with -fno-dwarf2-cfi-asm.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130659 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-30Revert the previous patch while I figure out how to make llvm-gccRafael Espindola
less agressive about disabling cfi on linux :-( git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130627 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-30Update for cfi.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130624 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-30Pass -fno-dwarf2-cfi-asm and use FileCheck.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130617 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-28tests: Tweak test to not write to the same temporary twice, in the hopes of ↵Daniel Dunbar
avoiding sporadic win32 failures about renaming a temporary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130439 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-26IRgen/Darwin: Fix refacto introduced in Triple changes.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130233 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
2011-04-16Emit debug info for Objective-C properties.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129625 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12IRgen/Obj-C: Emit CFStrings and NSStrings with the alignment of the char type,Daniel Dunbar
there is no reason to align them higher. - This roughly matches llvm-gcc's r126913. - It is an open question whether or not we should do this for cstring's in general (code size vs optimization potential), for now we just match llvm-gcc until someone wants to run some experiments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129410 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12We can't emit an aggregate cast as its sub-expression in general justJohn McCall
because the result is ignored. The particular example here is with property l-values, but there could be all sorts of lovely casts that this isn't safe for. Sink the check into the one case that seems to actually be capable of honoring this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129397 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-06Refine rules for atomic property api toFariborz Jahanian
pass a previously failing clang test. // rdar://8808439 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129004 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-05Fixes a regression caused by my last patch. Fariborz Jahanian
As a result, I had to remove a c++ version of a clang test which requires more scrutiny on my part. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128950 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-05Generate atomic api for atomic properties (x86 and x86_64Fariborz Jahanian
targets) when load/store results in multiple instructions. // rdar://8808439 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128937 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-29Do not line number entry for unconditional branches. Usually, users do not ↵Devang Patel
want to stop at closing '}'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128471 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-26On Mac OS X, the presence of an 'availability' attribute for thatDouglas Gregor
platform implies default visibility. To achieve these, refactor our lookup of explicit visibility so that we search for both an explicit VisibilityAttr and an appropriate AvailabilityAttr, favoring the VisibilityAttr if it is present. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128336 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
2011-03-23Fixed type error in last commit (forgot that now that selectors are notDavid Chisnall
accessed via the indirect pointer, they don't need to be pointers to pointers). Finished moving the message lookup code into separate subclasses for each runtime. Also performed a few smallish related tidies. We're now bitcasting the result of the message lookup functions, rather than casting the lookup functions themselves, so the messages.m test needed updating to reflect this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128180 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
2011-03-16Don't emit read barriers for reading __weak __block variablesJohn McCall
in non-GC mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127725 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
2011-02-26Zero-initialize the struct-return slot of an Objective-C messageJohn McCall
send before making the call. Fixes rdar://problem/7854674 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126543 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Establish the iteration variable of an ObjC for-in loop beforeJohn McCall
emitting the collection expression. Fixes some really, really broken code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126193 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Reorganize the emission of local variables.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126189 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Make clang -cc1 disable Objective-C exceptions by default, and add a ↵Anders Carlsson
-fobjc-exceptions flag to turn them on. Update all tests accordingly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126177 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Move some Objective-C tests to SemaObjC and CodeGenObjC.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126175 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18Objective-c armv7 API for atomic properties of Fariborz Jahanian
scalar types. // rdar://7761305 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125946 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18The flags we're supposed to write into a byref struct are *not* theJohn McCall
_Block_object_* flags; it's just BLOCK_HAS_COPY_DISPOSE or not. Also, we don't need to chase forwarding pointers prior to calling _Block_object_dispose; _Block_object_dispose in fact already does this. rdar://problem/9006315 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125823 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-17update this test now that reassociate isn't stripping nsw's pointlessly.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125705 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16Don't call objc_read_weak as part of emitting a block literal.John McCall
Nobody ever gave me a clear reason for why we were doing this, and now it's apparently causing serious problems, so if *not* having this causes problems, we get to solve them the right way this time. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125627 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-09Add target triple.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125230 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-09Do not emit AT_MIPS_linkage_name for Objective-C method static variable i.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125210 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-09Emit debug info for objc_selector.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125163 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-08Fix an IRGen bug in property setter calls whenFariborz Jahanian
setter and getter types mismatch. // rdar://8966864 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125125 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-07A few more tweaks to the blocks AST representation: John McCall
- BlockDeclRefExprs always store VarDecls - BDREs no longer store copy expressions - BlockDecls now store a list of captured variables, information about how they're captured, and a copy expression if necessary With that in hand, change IR generation to use the captures data in blocks instead of walking the block independently. Additionally, optimize block layout by emitting fields in descending alignment order, with a heuristic for filling in words when alignment of the end of the block header is insufficient for the most aligned field. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125005 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-02Update this test following recent optimizer changes.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124715 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-28Not really any point to testing control flow in this test withoutJohn McCall
ret duplication. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124476 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-28Update exceptions.m for r124462.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124474 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-26Fixes an IRgen bug where __block variable isFariborz Jahanian
referenced in the block-literal initializer of that variable. // rdar://8893785 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124332 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-19Emit DW_TAG_lexical_scope to surround foreach.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123802 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Add unnamed_addr in CreateRuntimeVariable.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123773 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17merge strings created byRafael Espindola
const NSConstantString *appKey = @"MyApp"; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123680 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-10Add unnamed_addr when creating artificial string globals. For example, inRafael Espindola
static const char foo[] = "foo"; static const char *bar = "bar"; the global created to hold "bar" will have it, but foo will not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123192 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-04Fold -fobjc-nonfragile-abi2 into -fobjc-nonfragile-abi.Fariborz Jahanian
// rdar://8818375 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122831 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-03Consider zero-length array of structs whenFariborz Jahanian
computing ivar layouts for objc-gc. Fixes // rdar://8800513 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122762 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-26Fix for PR8695.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122564 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-23Add -fobjc-default-synthesized-properties flagTed Kremenek
to allow us to explicitly control whether or not Objective-C properties are default synthesized. Currently this feature only works when using the -fobjc-non-fragile-abi2 flag (so there is no functionality change), but we can now turn off this feature without turning off all the features coupled with -fobjc-non-fragile-abi2. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122519 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-15ivars craeted for explicit @synthesize and thoseFariborz Jahanian
created for auto-synthesis are @private. Fixes: // rdar://8769582 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121913 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06Do unary conversions on vararg arguments and *then* special-case float.John McCall
Fixes PR8742. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121022 91177308-0d34-0410-b5e6-96231b3b80d8
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