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372 Commits

Author SHA1 Message Date
Fariborz Jahanian 50c925fe96 This patch implements Next's IRGen for -fconstant-string-class=class-name. 
PR6056, //rdar: //8564463

llvm-svn: 116819
 2010-10-19 17:19:29 +00:00
Fariborz Jahanian f34011e4ca patch fixes class names missing from method names in debug information for 
synthesized property. // rdar: //8498026

llvm-svn: 116717
 2010-10-18 17:51:06 +00:00
John McCall d509182336 Coding by inspection has its problems. 
llvm-svn: 116672
 2010-10-16 16:34:08 +00:00
John McCall 17afe45a87 objc_exception_rethrow does not take an exception argument. 
rdar://problem/8535238

llvm-svn: 116663
 2010-10-16 08:21:07 +00:00
Daniel Dunbar 622581b73b Revert r116656, "IRgen/Obj-C/NeXT: Fix the IR signature for 
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.

llvm-svn: 116660
 2010-10-16 05:04:10 +00:00
Daniel Dunbar 90bb5c2315 IRgen/Obj-C/NeXT: Fix the IR signature for objc_exception_rethrow, so we don't 
generate unnecessary %al clear on x86_64.

llvm-svn: 116656
 2010-10-16 04:08:16 +00:00
Douglas Gregor f10c97f36e _Bool is not a keyword in C++. Fixes PR7388 and PR8349. 
llvm-svn: 116422
 2010-10-13 20:00:38 +00:00
Fariborz Jahanian d06ab4f09e Test for //rdar: //8493239 
llvm-svn: 116258
 2010-10-11 23:15:47 +00:00
Daniel Dunbar 7cba5a76dd IRgen/Obj-C: Fix encoding of "long double". 
- The mind boggles.

llvm-svn: 116226
 2010-10-11 21:13:48 +00:00
Daniel Dunbar a441d81b6b Merge encode-test-1.m into encode-test.m 
llvm-svn: 116225
 2010-10-11 21:13:46 +00:00
Daniel Dunbar 32708f952b FileCheck'ize test. 
llvm-svn: 116224
 2010-10-11 21:13:44 +00:00
Daniel Dunbar 355e850c6c tests: Tweak test to also match MSVC format. 
llvm-svn: 115969
 2010-10-07 20:14:30 +00:00
John McCall 569eafce63 Re-enable EH cleanups to destroy __block variables, now that we have a moment to 
deal with the consequences.  Fixes rdar://problem/8224178.

llvm-svn: 115816
 2010-10-06 18:56:43 +00:00
John McCall 9916e3fa93 In the fragile ObjC ABI, save the caught exception to the side if there are 
both @catches and a @finally, because the second call to @objc_exception_try_enter
will clobber the exception slot.  Fixes rdar://problem/8440970.

llvm-svn: 115575
 2010-10-04 23:42:51 +00:00
Fariborz Jahanian de744dcce1 Restore test. Is for //rdar://8493239 
llvm-svn: 115349
 2010-10-01 21:26:26 +00:00
Fariborz Jahanian 220d971ace Remove test until further notice. 
llvm-svn: 115258
 2010-10-01 01:01:03 +00:00
Fariborz Jahanian ef1fb2d1d1 Fix test. 
llvm-svn: 115253
 2010-10-01 00:27:17 +00:00
Fariborz Jahanian 885e9dff93 Output debug info. for ivars declared in class 
extension and implementation.
Fixes rdar://8493239.

llvm-svn: 115248
 2010-10-01 00:01:53 +00:00
Devang Patel 7c086227e6 Attach aritifical attribute with implicit parameters. 
Radar 8493141.

llvm-svn: 115104
 2010-09-29 23:09:21 +00:00
Chris Lattner 775e635b5a update a bunch of tests that are using the x86 backend instead of grepping IR :( 
llvm-svn: 114535
 2010-09-22 06:09:31 +00:00
Fariborz Jahanian 0aa35b9cf5 Block description for trivial block literals have 
their 'isa' field scanned regardless.

llvm-svn: 113749
 2010-09-13 16:09:44 +00:00
Fariborz Jahanian 933c6723a4 Fixes an obscure bug in importd block variable layout 
information when imported variable is used
more than once. Originally though to be a bug in importing
block varibles. Fixes radar 8417746.

llvm-svn: 113675
 2010-09-11 01:27:29 +00:00
Fariborz Jahanian cfddabf5a3 Block ivar layout must assume that the 'isa' 
field of the block descriptor is GC'able (scanned)
as this what the runtime expects (one can send it 
messages). Radar 8394947.

llvm-svn: 113454
 2010-09-09 00:21:45 +00:00
Fariborz Jahanian 366a94822b Local static block variable referecned in its 
block-literal initializer expression causes IRgen to crash.
This patch fixes by saving it in StaticLocalDecl map
already used for such purposes. (radar 8390455).

llvm-svn: 113307
 2010-09-07 23:26:17 +00:00
Argyrios Kyrtzidis 2fdb5b5955 LastFieldBitfield in CGObjCCommonMac::BuildAggrIvarLayout keeps bitfields or unnamed fields but later the code 
assumes that it's always a bitfield. This can lead to a crash (reported at rdar://8368320).

llvm-svn: 113154
 2010-09-06 12:00:10 +00:00
Fariborz Jahanian 60babfb8a1 Casting of a property reference to 'void' did not 
generate the necessary code. This patch fixes it.
// rdar://8389655

llvm-svn: 113079
 2010-09-04 19:49:18 +00:00
Daniel Dunbar 09c8fbe812 tests: Fix a dependency on the temporary value names. 
llvm-svn: 112917
 2010-09-03 00:24:06 +00:00
Daniel Dunbar a70fab8dd7 IRgen/Obj-C: Rewrite Objective-C bit-field access to compute the access strategy 
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.

llvm-svn: 112914
 2010-09-02 23:53:31 +00:00
Chris Lattner 369721a16e stop looking for #uses comments. 
llvm-svn: 112898
 2010-09-02 22:48:26 +00:00
Devang Patel 9cd85d1c77 Robustify test. 
llvm-svn: 112062
 2010-08-25 17:32:22 +00:00
Daniel Dunbar 5eb22ab7d8 tests: Disable this test for now, it is overly pessimistic and I am not sure how to fix it. 
llvm-svn: 112023
 2010-08-25 03:40:27 +00:00
Fariborz Jahanian bf9294fb65 Support for IRGen of synthesize bitfield ivars in 
objc-nonfragile-abi2 (radar 7824380).

llvm-svn: 111823
 2010-08-23 18:51:39 +00:00
Fariborz Jahanian 68e69ca9f9 Patch to issue warning when colllection expresion's type 
does not implement 'countByEnumeratingWithState' API.
Implements radar 7634669.

llvm-svn: 110964
 2010-08-12 22:25:42 +00:00
John McCall ffe4630f3d When re-raising an exception after a cleanup, we need to call _Unwind_Resume_or_Rethrow 
instead of _Unwind_Resume.  With SJLJ exceptions, this is spelled
"_Unwind_SjLj_Resume_or_Rethrow", not "_Unwind_SjLj_Resume", which has
significantly different semantics.

We should actually never be generating a call to _Unwind_SjLj_Resume directly;
even if we were generating true cleanups (which we aren't because of the
horrible hack), we should be calling __cxa_end_cleanup() on ARM.  I
haven't implemented this because there's little point as long as the HH is
present.

I believe this fixes <rdar://problem/8281377>.

llvm-svn: 110851
 2010-08-11 20:59:53 +00:00
Fariborz Jahanian d539d098a4 IRGen support for functions returning objc object 
types. Fixes PR7865.

llvm-svn: 110832
 2010-08-11 17:37:35 +00:00
John McCall ca7993f572 Make this test a little less dependent on exact optimizer results. 
llvm-svn: 110770
 2010-08-11 02:06:44 +00:00
John McCall cebe0ca75e Fix a bug in @finally emission in both the fragile and non-fragile EH schemes 
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>.

llvm-svn: 110760
 2010-08-11 00:16:14 +00:00
Fariborz Jahanian f95e358004 Finishing up block variable layout API by supporting 
union type variables and their nesting inside other
aggregate types.

llvm-svn: 110448
 2010-08-06 16:28:55 +00:00
Fariborz Jahanian 903aba39ee Add support for block imported struct variable layout info. 
(objc gc and blocks in NeXt runtime).

llvm-svn: 110377
 2010-08-05 21:00:25 +00:00
Fariborz Jahanian 9659f6b540 Block variable layout bitmap API generation. 
llvm-svn: 110287
 2010-08-04 23:55:24 +00:00
John McCall 2dd7d44135 Some more correctness fixes and code-size optimizations for fragile-ABI 
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).

llvm-svn: 110188
 2010-08-04 05:59:32 +00:00
John McCall 42227edc79 Fix fragile-ABI ObjC exceptions in the presence of optimization with 
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

llvm-svn: 109960
 2010-07-31 23:20:56 +00:00
Daniel Dunbar cda4307308 Revert "Re-apply fixed version of 108749, correctly conditionalizing the new 
sections on", this change uncovered a possible linker bug which resulted in the
wrong messages getting dispatched. Backing this out while we investigate...

llvm-svn: 109817
 2010-07-29 22:57:21 +00:00
Chris Lattner 3a44c7e55d now that we have CGT around, we can start using preferred types 
for return values too.  Instead of compiling something like:

struct foo {
  int *X;
  float *Y;
};

struct foo test(struct foo *P) { return *P; }

to:

%1 = type { i64, i64 }

define %1 @test(%struct.foo* %P) nounwind {
entry:
  %retval = alloca %struct.foo, align 8           ; <%struct.foo*> [#uses=2]
  %P.addr = alloca %struct.foo*, align 8          ; <%struct.foo**> [#uses=2]
  store %struct.foo* %P, %struct.foo** %P.addr
  %tmp = load %struct.foo** %P.addr               ; <%struct.foo*> [#uses=1]
  %tmp1 = bitcast %struct.foo* %retval to i8*     ; <i8*> [#uses=1]
  %tmp2 = bitcast %struct.foo* %tmp to i8*        ; <i8*> [#uses=1]
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp1, i8* %tmp2, i64 16, i32 8, i1 false)
  %0 = bitcast %struct.foo* %retval to %1*        ; <%1*> [#uses=1]
  %1 = load %1* %0, align 1                       ; <%1> [#uses=1]
  ret %1 %1
}

We now get the result more type safe, with:

define %struct.foo @test(%struct.foo* %P) nounwind {
entry:
  %retval = alloca %struct.foo, align 8           ; <%struct.foo*> [#uses=2]
  %P.addr = alloca %struct.foo*, align 8          ; <%struct.foo**> [#uses=2]
  store %struct.foo* %P, %struct.foo** %P.addr
  %tmp = load %struct.foo** %P.addr               ; <%struct.foo*> [#uses=1]
  %tmp1 = bitcast %struct.foo* %retval to i8*     ; <i8*> [#uses=1]
  %tmp2 = bitcast %struct.foo* %tmp to i8*        ; <i8*> [#uses=1]
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp1, i8* %tmp2, i64 16, i32 8, i1 false)
  %0 = load %struct.foo* %retval                  ; <%struct.foo> [#uses=1]
  ret %struct.foo %0
}

That memcpy is completely terrible, but I don't know how to fix it.

llvm-svn: 109729
 2010-07-29 04:46:19 +00:00
Fariborz Jahanian 72cdffa401 Return type of a setter call caused by 
use of property-dot syntax using 'super' as receiver
is 'void'. This fixes a bug in generating correct
API for setter call. Fixes radar 8203426.

llvm-svn: 109297
 2010-07-24 00:34:08 +00:00
John McCall ad5d61e227 Revise cleanup IR generation to fix a major bug with cleanups (PR7686) 
as well as some significant asymptotic inefficiencies with threading
multiple jumps through deep cleanups.

llvm-svn: 109274
 2010-07-23 21:56:41 +00:00
Jim Grosbach 71d963e954 Re-apply fixed version of 108749, correctly conditionalizing the new sections on 
ObjC ABI version 2 this time.

llvm-svn: 108847
 2010-07-20 16:20:26 +00:00
Jim Grosbach 428a7103d9 and revert the related tests, too 
llvm-svn: 108766
 2010-07-19 22:53:57 +00:00
Jim Grosbach 6331d9781c Update tests for r108749 
llvm-svn: 108754
 2010-07-19 21:39:14 +00:00
Daniel Dunbar 2c91be4261 IRgen: Add a test case I forgot to commit at some point. 
llvm-svn: 108713
 2010-07-19 17:11:38 +00:00