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path: root/lib/CodeGen/CGObjCMac.cpp
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2010-10-22Substantially revise how clang computes the visibility of a declaration toJohn McCall
more closely parallel the computation of linkage. This gets us to a state much closer to what gcc emits, modulo bugs, which will undoubtedly arise in abundance. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19This patch implements Next's IRGen for -fconstant-string-class=class-name.Fariborz Jahanian
PR6056, //rdar: //8564463 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116819 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-16Coding by inspection has its problems.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116672 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-16objc_exception_rethrow does not take an exception argument.John McCall
rdar://problem/8535238 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116663 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-16Revert r116656, "IRgen/Obj-C/NeXT: Fix the IR signature forDaniel Dunbar
objc_exception_rethrow, so we don't...", since something is actually trying to call this with the wrong signature (!). Unfortunately I don't understand the new EH infrastructure well enough to fix it immediately. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116660 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-16IRgen/Obj-C/NeXT: Fix the IR signature for objc_exception_rethrow, so we don'tDaniel Dunbar
generate unnecessary %al clear on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116656 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-15Death to blocks, or at least the word "block" in one particular obnoxiouslyJohn McCall
ambiguous context. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116567 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-04In the fragile ObjC ABI, save the caught exception to the side if there areJohn McCall
both @catches and a @finally, because the second call to @objc_exception_try_enter will clobber the exception slot. Fixes rdar://problem/8440970. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115575 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-13Block description for trivial block literals haveFariborz Jahanian
their 'isa' field scanned regardless. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113749 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-11Fixes an obscure bug in importd block variable layoutFariborz Jahanian
information when imported variable is used more than once. Originally though to be a bug in importing block varibles. Fixes radar 8417746. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113675 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-09Block ivar layout must assume that the 'isa'Fariborz Jahanian
field of the block descriptor is GC'able (scanned) as this what the runtime expects (one can send it messages). Radar 8394947. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113454 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-06LastFieldBitfield in CGObjCCommonMac::BuildAggrIvarLayout keeps bitfields or ↵Argyrios Kyrtzidis
unnamed fields but later the code assumes that it's always a bitfield. This can lead to a crash (reported at rdar://8368320). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113154 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02IRgen/Obj-C: Rewrite Objective-C bit-field access to compute the access strategyDaniel Dunbar
using the same methods as used for normal structures. - This fixes problems with reading past the end of the structure and with handling straddled bit-field access. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112914 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-01Split ObjCInterfaceDecl::ReferencedProtocols into two lists: ↵Ted Kremenek
ReferencedProtocols and AllReferencedProtocols. ReferencedProtocols (and thus protocol_begin(), protocol_end()) now only contains the list of protocols that were directly referenced in an @interface declaration. 'all_referenced_protocol_[begin,end]()' now returns the set of protocols that were referenced in both the @interface and class extensions. The latter is needed for semantic analysis/codegen, while the former is needed to maintain the lexical information of the original source. Fixes <rdar://problem/8380046>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112691 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21Simplify.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111724 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-21IRgen: Move remaining MakeAddr() calls to MakeAddrLValue().Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111721 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-20objective-c ivar refactoring patch. IterationsFariborz Jahanian
over ivars for a varienty of puposes is now consolidated into two small routines; DeepCollectObjCIvars and ShallowCollectObjCIvars. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111679 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18zap dead code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111365 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17StringRef'ication of lots stuff, patch by Peter Davies!Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111314 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-15Remove dead code, caught by unused function warnings.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111091 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11Fix a bug in @finally emission in both the fragile and non-fragile EH schemesJohn McCall
where we weren't accounting for the possibility that a @finally block might have internal cleanups and therefore might write to the cleanup destination slot. Fixes <rdar://problem/8293901>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110760 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-09Support ObjC implementation decls for PCH.Argyrios Kyrtzidis
Strictly speaking, implementations don't go in headers but there's no law against it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110567 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Finishing up block variable layout API by supporting Fariborz Jahanian
union type variables and their nesting inside other aggregate types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110448 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Add support for block imported struct variable layout info.Fariborz Jahanian
(objc gc and blocks in NeXt runtime). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110377 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05For now skip over aggregate non-byref block variables.Fariborz Jahanian
(objc gc specific). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110340 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Trying to unbreak buildbot.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110339 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Clean up of my last patch.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110290 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04Block variable layout bitmap API generation.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110287 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04More objc block variable layout info. work.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110239 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04Some early work for providing block layout info. Fariborz Jahanian
for objective-c/c++ blocks (NeXt runtime). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110213 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04Some more correctness fixes and code-size optimizations for fragile-ABIJohn McCall
ObjC exceptions: - don't enter a try for the catch blocks unless there's a finally - put the setjmp buffer in the locals set for liveness reasons - dump the sync object into an alloca in the locals set for liveness reasons Some of this can go away if the backend starts to properly calculate liveness in the presence of setjmp (which would also be a *much* stabler solution). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110188 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-31Fix fragile-ABI ObjC exceptions in the presence of optimization withJohn McCall
the magic of inline assembly. Essentially we use read and write hazards on the set of local variables to force flushing locals to memory immediately before any protected calls and to inhibit optimizing locals across the setjmp->catch edge. Fixes rdar://problem/8160285 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109960 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29Revert "Re-apply fixed version of 108749, correctly conditionalizing the newDaniel Dunbar
sections on", this change uncovered a possible linker bug which resulted in the wrong messages getting dispatched. Backing this out while we investigate... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109817 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-24Support catching Objective C pointers in C++ under the non-fragile NeXT runtime.John McCall
Diagnose attempts to do this under the GNU or fragile NeXT runtimes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-23Revise cleanup IR generation to fix a major bug with cleanups (PR7686)John McCall
as well as some significant asymptotic inefficiencies with threading multiple jumps through deep cleanups. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109274 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Rename LazyCleanup -> Cleanup. No functionality change for these last threeJohn McCall
commits. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109000 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Switch the fragile-ABI @finally/@synchronized cleanup over to using a lazyJohn McCall
cleanup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108997 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Convert the ObjC @synchronized cleanups to laziness. This is not actuallyJohn McCall
a big deal, except that I want to eliminate the shared-code EH cleanups in preparation for a significant algorithmic fix. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108973 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20Adopt objc_assign_threadlocal() for __thread variables of GC types.Fariborz Jahanian
Implements radar 8203301. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108917 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20Re-apply fixed version of 108749, correctly conditionalizing the new sections onJim Grosbach
ObjC ABI version 2 this time. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108847 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-19Temporarily revert. Some odd internal breakage is likely related.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108764 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-19Put ObjC method names, method types and class names in separate string literalJim Grosbach
sections. rdar://8207705 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108749 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-14CodeGen/ObjC/NeXT: Fix Obj-C message send to match llvm-gcc when choosingDaniel Dunbar
whether to use objc_msgSend_fpret; the choice is target dependent, not Obj-C ABI dependent. - <rdar://problem/8139758> arm objc _objc_msgSend_fpret bug git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108379 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-13Allow for the possibility that __cxa_end_catch might throw for a catch-all blockJohn McCall
or a catch of a record type by value or reference. Also convert this to a lazy cleanup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108287 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-13Teach IR generation how to lazily emit cleanups. This has a lot of advantages,John McCall
mostly in avoiding unnecessary work at compile time but also in producing more sensible block orderings. Move the destructor cleanups for local variables over to use lazy cleanups. Eventually all cleanups will do this; for now we have some awkward code duplication. Tell IR generation just to never produce landing pads in -fno-exceptions. This is a much more comprehensive solution to a problem which previously was half-solved by checks in most cleanup-generation spots. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Validated by nightly-test runs on x86 and x86-64 darwin, including afterJohn McCall
self-host. Hopefully these results hold up on different platforms. I tried to keep the GNU ObjC runtime happy, but it's hard for me to test. Reimplement how clang generates IR for exceptions. Instead of creating new invoke destinations which sequentially chain to the previous destination, push a more semantic representation of *why* we need the cleanup/catch/filter behavior, then collect that information into a single landing pad upon request. Also reorganizes how normal cleanups (i.e. cleanups triggered by non-exceptional control flow) are generated, since it's actually fairly closely tied in with the former. Remove the need to track which cleanup scope a block is associated with. Document a lot of previously poorly-understood (by me, at least) behavior. The new framework implements the Horrible Hack (tm), which requires every landing pad to have a catch-all so that inlining will work. Clang no longer requires the Horrible Hack just to make exceptions flow correctly within a function, however. The HH is an unfortunate requirement of LLVM's EH IR. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107631 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-27finally get around to doing a significant cleanup to irgen:Chris Lattner
have CGF create and make accessible standard int32,int64 and intptr types. This fixes a ton of 80 column violations introduced by LLVMContextification and cleans up stuff a lot. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106977 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-22Type Type::isRealFloatingType() that vectors are not floating-pointDouglas Gregor
types, updating callers of both isFloatingType() and isRealFloatingType() accordingly. Caught at least one issue where we allowed one to declare a vector of vectors (!), along with cleaning up the standard-conversion logic for C++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106595 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-22Fixes a problem in generation of meta-data forFariborz Jahanian
category implementation whereby property list was missing. NeXt ObjC runtime (radar 8093297). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106550 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-21In fragile-abi (32bit mode abi) generate global symbolFariborz Jahanian
objc_category_name_xxx for each category implementation. (fixes PR7431) patch by Nico Weber. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106492 91177308-0d34-0410-b5e6-96231b3b80d8
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