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Author SHA1 Message Date
Roman Divacky
d56d1cd938 Unresolved weak symbols have value equal zero. 
llvm-svn: 113358
 2010-09-08 14:29:45 +00:00
Kalle Raiskila
be22226628 Fix CellSPU vector shuffles, again. 
Some cases of lowering to rotate were miscompiled.

llvm-svn: 113355
 2010-09-08 11:53:38 +00:00
Chris Lattner
4e8c89174f add support for the commuted form of the test instruction, rdar://8018260. 
llvm-svn: 113352
 2010-09-08 05:51:12 +00:00
Chris Lattner
752daa9624 implement proper support for sysret{,l,q}, rdar://8403907 
llvm-svn: 113350
 2010-09-08 05:45:34 +00:00
Chris Lattner
40f9f0fdba implement the iret suite of instructions properly, 
fixing rdar://8403974

llvm-svn: 113349
 2010-09-08 05:38:31 +00:00
Chris Lattner
05818145f8 add support for instruction prefixes on the same line as the instruction, 
implementing rdar://8033482 and PR7254.

llvm-svn: 113348
 2010-09-08 05:17:37 +00:00
Chris Lattner
0e0f9094e9 change the MC "ParseInstruction" interface to make it the 
implementation's job to check for and lex the EndOfStatement
marker.

llvm-svn: 113347
 2010-09-08 05:10:46 +00:00
Chris Lattner
7435beb421 gas accepts xchg <mem>, <reg> as a synonym for xchg <reg>, <mem>. 
Add this to the mc assembler, fixing PR8061

llvm-svn: 113346
 2010-09-08 04:53:27 +00:00
NAKAMURA Takumi
e223d51276 ARM/Disassembler: Fix definitions incompatible(unsigned and uint32_t) to Cygwin-1.5, following up to r113255. 
llvm-svn: 113345
 2010-09-08 04:48:17 +00:00
Chris Lattner
8f621d5039 fix the encoding of the "jump on *cx" family of instructions, 
rdar://8061602

llvm-svn: 113343
 2010-09-08 04:30:51 +00:00
Jim Grosbach
6aba2dc40a remove trailing whitespace 
llvm-svn: 113338
 2010-09-08 03:54:02 +00:00
Jim Grosbach
9e69f92835 remove obsolete comment 
llvm-svn: 113337
 2010-09-08 03:51:44 +00:00
Jim Grosbach
7a957dc761 disable for the moment while tracking down a few Thumb2-O0 failure that look 
related. (attempt deux, complete w/ test update this time)

llvm-svn: 113333
 2010-09-08 02:00:34 +00:00
Jim Grosbach
31f79e5d47 woops. need to update a test along with this. 
llvm-svn: 113332
 2010-09-08 01:49:09 +00:00
Jim Grosbach
89098087dd disable temporarily while sorting out a few test failures in Thumb2-O0 tests. 
llvm-svn: 113331
 2010-09-08 01:47:49 +00:00
Dan Gohman
de56ae353b Add a new experimental generalized dependence query interface to 
AliasAnalysis, and some code for implementing the new query on top of
existing implementations by making standard alias and getModRefInfo
queries.

llvm-svn: 113329
 2010-09-08 01:32:20 +00:00
Jim Grosbach
e1ea3730f4 correct spill code to properly determine if dynamic stack realignment is 
present in the function and thus whether aligned load/store instructions can
be used.

llvm-svn: 113323
 2010-09-08 00:26:59 +00:00
Jim Grosbach
27a5b1fd3b VFP/NEON load/store multiple instructions are addrmode4, not 5. 
llvm-svn: 113322
 2010-09-08 00:25:50 +00:00
Owen Anderson
38493be0ce Add a separate unrolling threshold when the current function is being optimized for size. 
The threshold value of 50 is arbitrary, and I chose it simply by analogy to the inlining thresholds, where
the baseline unrolling threshold is slightly smaller than the baseline inlining threshold.  This could
undoubtedly use some tuning.

llvm-svn: 113306
 2010-09-07 23:15:30 +00:00
John McCall
f1418ef333 Add documentation for llvm-diff. 
llvm-svn: 113303
 2010-09-07 23:10:21 +00:00
Jakob Stoklund Olesen
bd8da2d3ee Don't add <imp-def> operands during register rewriting. 
LiveIntervals already adds <imp-def> operands for super-registers when a subreg
def defines the whole register. Thus, it is not necessary to do it again when
rewriting.

In fact, the super-register imp-defs caused miscompilations because the late
scheduler couldn't see that the super-register was read.

We still add super-reg <imp-use,kill> operands when rewriting virtuals to
physicals.

llvm-svn: 113299
 2010-09-07 22:38:45 +00:00
Jim Grosbach
5d310ec4a5 To shrink a t2LDM instruction to the 16-bit wide tLDM instruction, the base 
register must be one of the destination registers for the load. Otherwise,
the tLDM instruction will write-back to the base register, which isn't what's
desired (otherwise, we'd have a t2LDM_UPD instead).

rdar://8394087

llvm-svn: 113297
 2010-09-07 22:30:53 +00:00
Devang Patel
acddbab1a5 remove these tests for now. 
llvm-svn: 113293
 2010-09-07 22:03:44 +00:00
Jim Grosbach
b40371d3bf grammar tweak 
llvm-svn: 113289
 2010-09-07 21:30:25 +00:00
Bill Wendling
aea333c247 Remove untrue comments. 
llvm-svn: 113287
 2010-09-07 21:07:59 +00:00
Bruno Cardoso Lopes
a4ca8c3ac5 Factor out some x86 vector shuffle rewriting and add comments about the direction the shuffle lowering is heading to 
llvm-svn: 113286
 2010-09-07 21:03:14 +00:00
Devang Patel
751d5ec40a There is no need to force target if the test is going to run on other x86 platforms. 
llvm-svn: 113285
 2010-09-07 20:59:09 +00:00
Owen Anderson
6c2af9f474 Remove dead code. ManagedCleanup is unused, and contained a serious bug in that 
the provided cleanup function is never actually called.

llvm-svn: 113284
 2010-09-07 20:53:39 +00:00
Owen Anderson
94ae132fc8 Fix PR7972, in which the PassRegistry was being leaked. As part of this, 
switch to using a ManagedStatic for the global PassRegistry instead of a
ManagedCleanup, and fix a destruction ordering bug this exposed.

llvm-svn: 113283
 2010-09-07 20:48:10 +00:00
Stuart Hastings
92dd0fd9ba Typo. Thanks to BillW for pointing it out! 
llvm-svn: 113281
 2010-09-07 20:39:07 +00:00
Dan Gohman
6d4356d31f Tidy up the getModRefInfo declarations. 
llvm-svn: 113275
 2010-09-07 20:37:47 +00:00
Bruno Cardoso Lopes
e33983dba9 Move code around to prepare for moving some of the logic together to another function 
llvm-svn: 113267
 2010-09-07 20:20:27 +00:00
Owen Anderson
7d56c30119 Properly initialize the pImpl member of PassRegistry to zero. 
llvm-svn: 113264
 2010-09-07 20:13:48 +00:00
Owen Anderson
f7efa840f0 Add doxygen comments for PassRegistry. 
llvm-svn: 113262
 2010-09-07 20:04:26 +00:00
Bill Wendling
9bb7ac566f Add an MVT::x86mmx type. It will take the place of all current MMX vector types. 
llvm-svn: 113261
 2010-09-07 20:03:56 +00:00
Chris Lattner
a58a97dafc Fix a serious performance regression introduced by r108687 on linux: 
turning (fptrunc (sqrt (fpext x))) -> (sqrtf x)  is great, but we have
to delete the original sqrt as well.  Not doing so causes us to do 
two sqrt's when building with -fmath-errno (the default on linux).

llvm-svn: 113260
 2010-09-07 20:01:38 +00:00
Evan Cheng
5a058ed2a0 Remove a dead comment. 
llvm-svn: 113259
 2010-09-07 20:01:10 +00:00
Chris Lattner
f2534b401f rename test. 
llvm-svn: 113257
 2010-09-07 19:57:06 +00:00
Chris Lattner
7b50cefea8 hopefully fix a problem building on cygwin-1.5 
llvm-svn: 113255
 2010-09-07 19:50:53 +00:00
Owen Anderson
e15120e561 Clean up some of the PassRegistry implementation, and pImpl-ize it to reduce #include clutter 
and exposing internal details.

llvm-svn: 113252
 2010-09-07 19:16:25 +00:00
Bill Wendling
601bbfe6e3 Fix whitespace, because I'm OCD. 
llvm-svn: 113250
 2010-09-07 18:49:14 +00:00
Stuart Hastings
f0d248515f Test case for r113248. Raar 8361341. 
llvm-svn: 113249
 2010-09-07 18:43:57 +00:00
Bruno Cardoso Lopes
21e1fc67c3 decouple MMX check from regular splat checks. Some refactoring is coming, and MMX should be left alone to be easily removed after moving to intrinsics 
llvm-svn: 113247
 2010-09-07 18:41:45 +00:00
Bruno Cardoso Lopes
dcc8690051 Remove now useless check, because the code can be matched below, no need to leave it for isel 
llvm-svn: 113242
 2010-09-07 18:29:03 +00:00
Dan Gohman
2625d9a286 Issue a #error if the host doesn't have an implementation for 
GetMainExecutable yet.

llvm-svn: 113240
 2010-09-07 18:26:49 +00:00
Bruno Cardoso Lopes
e6f7e4684d Minor change. Since the checks are equivalent, use isMMX 
llvm-svn: 113239
 2010-09-07 18:24:00 +00:00
Devang Patel
e9dcee0a69 Fix command line used to link these test cases. 
llvm-svn: 113237
 2010-09-07 18:17:56 +00:00
Nick Lewycky
95bce25477 Update configure for change to autoconf/configure.ac to add PTX backend. 
llvm-svn: 113236
 2010-09-07 18:14:42 +00:00
Nick Lewycky
cad1395824 Create PTX backend. Patch by Che-Liang Chiou! 
llvm-svn: 113235
 2010-09-07 18:14:24 +00:00
Dale Johannesen
8354cab2de Add patterns for MMX that use the new intrinsics. 
Enable palignr intrinsic.
These may need adjustment for a new VT in due course.

llvm-svn: 113233
 2010-09-07 18:10:56 +00:00