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Author SHA1 Message Date
Eli Friedman
00e4369ab7 Misc atomic doc tweaks; reordering operations across Acquire/Release can be beneficial. 
llvm-svn: 137425
 2011-08-12 03:38:32 +00:00
NAKAMURA Takumi
20a1b348b6 include/llvm/Config/config.h.cmake: Reorder to follow config.h.in, and import stuff from llvm-config.h.cmake and clang/config.h. 
llvm-svn: 137424
 2011-08-12 03:27:54 +00:00
NAKAMURA Takumi
4836113d85 CMake: Eliminate unused checks and #undef(s) as below; 
STACK_DIRECTION
YYTEXT_POINTER
HAVE_NAMESPACES
HAVE_STD_ITERATOR
HAVE_FWD_ITERATOR
HAVE_BI_ITERATOR
HAVE_GLOBAL_HASH_MAP
HAVE_GLOBAL_HASH_SET
HAVE_GNU_EXT_HASH_MAP
HAVE_GNU_EXT_HASH_SET
HAVE_STD_EXT_HASH_MAP
HAVE_STD_EXT_HASH_SET

llvm-svn: 137423
 2011-08-12 03:27:48 +00:00
Benjamin Kramer
e404b3e2d1 MachOWriter: Don't crash on fixups with arithmetic, emit a relocation instead. This matches what as does. 
llvm-svn: 137414
 2011-08-12 01:51:29 +00:00
NAKAMURA Takumi
57d496a7d6 include/llvm/Config/llvm-config.h: Reorder and reword to follow (generated) config.h.in. 
llvm-svn: 137413
 2011-08-12 01:50:50 +00:00
NAKAMURA Takumi
212fb11994 configure: Update since r136721. 
llvm-svn: 137412
 2011-08-12 01:50:43 +00:00
Eli Friedman
60b18ddf69 Fix up this paragraph (including a nasty typo). 
llvm-svn: 137408
 2011-08-12 01:26:06 +00:00
Andrew Trick
68f830e252 findDeadCallerSavedReg fix: Missing NULL terminator in register arrays. 
Fix by Ivan Baev. Sorry I don't have a unit test, but the fix is obvious so I don't want to delay it.

llvm-svn: 137404
 2011-08-12 00:49:19 +00:00
Andrew Trick
3efc88b31f Clarify the definition of SequentiallyConsistent operations. 
llvm-svn: 137403
 2011-08-12 00:36:38 +00:00
Dan Gohman
c188a47b62 Don't convert objc_autoreleaseReturnValue to objc_autorelease if the result 
is returned through a bitcast.

llvm-svn: 137402
 2011-08-12 00:36:31 +00:00
Nick Lewycky
a4f1ff9b56 A virtual destructor for the class with virtual methods! 
llvm-svn: 137400
 2011-08-12 00:32:15 +00:00
Dan Gohman
783fdc6375 Don't let arbitrary calls disrupt nested retain+release pairs if 
the retains and releases all use the same SSA pointer value.

Also, don't let CFG hazards disrupt nested retain+release pair
optimizations.

llvm-svn: 137399
 2011-08-12 00:26:31 +00:00
Dan Gohman
0b4ede167a Use an actual reverse-CFG reverse-postorder for the bottom-up traversal, 
rather than plain postorder, so that CFG constructs like single-exit loops
are reliably visited in a sensible order.

llvm-svn: 137398
 2011-08-12 00:24:29 +00:00
Jakob Stoklund Olesen
024df8fa6b Simplify the interference checking code a bit. 
This is possible now that we now longer provide an interface to iterate
the interference overlaps.

llvm-svn: 137397
 2011-08-12 00:22:04 +00:00
Jim Grosbach
ade39d38e1 Clean up formatting a bit. 
llvm-svn: 137393
 2011-08-11 23:57:17 +00:00
Jim Grosbach
d17df06881 ARM vector compare to zero instruction assembly parsing support. 
llvm-svn: 137389
 2011-08-11 23:51:13 +00:00
Eli Friedman
15fda085c1 Fix mismatched tag. 
llvm-svn: 137388
 2011-08-11 23:48:52 +00:00
Eli Friedman
7f6e958efc Revision to Atomics guide, per Chris's comments. 
llvm-svn: 137386
 2011-08-11 23:44:25 +00:00
Andrew Trick
d251d23191 A slew of unit tests for the recent LoopInfo::updateUnloop feature 
checked in at r137276 and r137341.

llvm-svn: 137385
 2011-08-11 23:38:09 +00:00
Andrew Trick
5a5a5ebe68 Allow loop unrolling to get known trip counts from ScalarEvolution. 
SCEV unrolling can unroll loops with arbitrary induction variables. It
is a prerequisite for -disable-iv-rewrite performance. It is also
easily handles loops of arbitrary structure including multiple exits
and is generally more robust.

This is under a temporary option to avoid affecting default
behavior for the next couple of weeks. It is needed so that I can
checkin unit tests for updateUnloop.

llvm-svn: 137384
 2011-08-11 23:36:16 +00:00
Jakob Stoklund Olesen
911b7966fe Remove the InterferenceResult class. 
llvm-svn: 137381
 2011-08-11 22:46:06 +00:00
Jakob Stoklund Olesen
159343e267 Eliminate the last use of InterferenceResult. 
The Query class now holds two iterators instead of an InterferenceResult
instance. The iterators are used as bookmarks for repeated
collectInterferingVRegs calls.

llvm-svn: 137380
 2011-08-11 22:46:04 +00:00
Akira Hatanaka
b787f8a8a5 Enclose directive .cprestore with .set macro and nomacro to silence assembler 
warning. 

llvm-svn: 137378
 2011-08-11 22:42:31 +00:00
Jim Grosbach
41ef68eb17 Fix tests per now-correct encoding as of r137371. 
llvm-svn: 137376
 2011-08-11 22:31:48 +00:00
Jim Grosbach
c0560c4013 Remove no-longer-true comments. These are for the assembler, also. 
llvm-svn: 137375
 2011-08-11 22:30:30 +00:00
Jim Grosbach
edefbb31c3 ARM STRT assembly parsing and encoding. 
llvm-svn: 137372
 2011-08-11 22:18:00 +00:00
Owen Anderson
634422d756 Make the USAT16 operand decoder auto-generate-able. 
llvm-svn: 137371
 2011-08-11 22:10:11 +00:00
Owen Anderson
8a55a4d7be Add another accidentally omitted predicate operand. 
llvm-svn: 137370
 2011-08-11 22:08:38 +00:00
Owen Anderson
253a691ae5 Add missing predicate operand on SMLA and friends. 
llvm-svn: 137368
 2011-08-11 22:05:38 +00:00
Jim Grosbach
ed8a320007 ARM load shifted register pre-index fix shift value asm parser encoding. 
llvm-svn: 137367
 2011-08-11 22:05:09 +00:00
NAKAMURA Takumi
df74220667 DataTypes.h.cmake: Tweak INT32_MIN for MSVC. MSC treats -2147483648 as -(2147483648U). 
It caused an unexpected behavior since r137254.

llvm-svn: 137365
 2011-08-11 21:59:55 +00:00
Owen Anderson
42056f92f5 Handle new register classes in Thumb2 mode. Should fix the ARM buildbots. 
llvm-svn: 137364
 2011-08-11 21:52:38 +00:00
Owen Anderson
3e98fed9bc Making SEL decodings auto-generate-able. 
llvm-svn: 137363
 2011-08-11 21:50:56 +00:00
Bruno Cardoso Lopes
328a6a980b Add a dag combine to xform 256-bit shuffles into simple vector 
inserts and extracts. This simple combine makes us generate only 1
instruction instead of 11 in the v8 case.

llvm-svn: 137362
 2011-08-11 21:50:44 +00:00
Bruno Cardoso Lopes
884d8b9cb5 Fix the test added by Nadav in r137308. Make it more strict: 
1) check for the "v" version of movaps
2) add a couple of CHECK-NOT to guarantee the behavior
3) move to a more appropriate test file

llvm-svn: 137361
 2011-08-11 21:50:35 +00:00
Jim Grosbach
0eb731957b Tidy up comment. 
llvm-svn: 137359
 2011-08-11 21:41:59 +00:00
Jim Grosbach
609316e481 ARM STRHT assembly parsing and encoding. 
llvm-svn: 137358
 2011-08-11 21:39:41 +00:00
Owen Anderson
64c500c7dd Fix decoding support for STREXD and LDREXD. 
llvm-svn: 137356
 2011-08-11 21:34:58 +00:00
Jakob Stoklund Olesen
be84676224 Remove more dead code. 
collectInterferingVRegs will be the primary function for interference
checks.

llvm-svn: 137354
 2011-08-11 21:18:34 +00:00
Jim Grosbach
5c12d41c95 ARM STRH assembly parsing and encoding. 
llvm-svn: 137353
 2011-08-11 21:17:22 +00:00
Dan Gohman
93efd104ca Fix typos in comments, and delete an unused function. 
llvm-svn: 137352
 2011-08-11 21:06:32 +00:00
Akira Hatanaka
e8e203f116 Add isIndirectBranch flag. 
llvm-svn: 137351
 2011-08-11 21:05:37 +00:00
Jakob Stoklund Olesen
c5ce5edb07 Privatize an unused part of the LiveIntervalUnion::Query interface. 
No clients are iterating over interference overlaps.

llvm-svn: 137350
 2011-08-11 21:00:42 +00:00
Owen Anderson
4618d77bcd Fix decoding for indexed STRB and LDRB. Fixes <rdar://problem/9926161>. 
llvm-svn: 137347
 2011-08-11 20:47:56 +00:00
Jakob Stoklund Olesen
2fd36775a3 Remove some dead code. 
The InterferenceResult iterator turned out to be less important than we
thought it would be.  LiveIntervalUnion clients want higher level
information, like the list of interfering virtual registers.

llvm-svn: 137346
 2011-08-11 20:41:41 +00:00
Jim Grosbach
15351f4f22 Tidy up. Remove unused template parameter. 
llvm-svn: 137345
 2011-08-11 20:41:13 +00:00
Owen Anderson
1ec4fcb5d3 Improve operand validation for Thumb2 addressing modes. 
llvm-svn: 137344
 2011-08-11 20:40:40 +00:00
Jim Grosbach
81b2835f83 ARM STRD assembly parsing and encoding. 
llvm-svn: 137342
 2011-08-11 20:28:23 +00:00
Andrew Trick
b31724d9ff Fix for LoopInfo::updateUnloop. Remove subloop blocks from former 
ancestor loops.

I have a unit test that depends on scev-unroll, which unfortunately
isn't checked in. But I will check it in when I can.

llvm-svn: 137341
 2011-08-11 20:27:32 +00:00
Owen Anderson
73e7d34732 Continue to tighten decoding by performing more operand validation. 
llvm-svn: 137340
 2011-08-11 20:21:46 +00:00