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96554 Commits

Author SHA1 Message Date
Chris Lattner 43e3a98675 clean up DSE tests, removing some poorly reduced and useless old test, 
merging more into other larger .ll files, filecheckizing along the way.

llvm-svn: 120373
 2010-11-30 01:00:34 +00:00
Bill Wendling ddce9f3757 Minor cleanups. No functional change. 
llvm-svn: 120372
 2010-11-30 00:50:22 +00:00
Bill Wendling 8294a30d54 s/ARM::BRIND/ARM::BX/g to coincide with r120366. 
llvm-svn: 120371
 2010-11-30 00:48:15 +00:00
Chris Lattner 90c4947df7 enhance basicaa to return "Mod" for a memcpy call when the 
queried location doesn't overlap the source, and add a testcase.

llvm-svn: 120370
 2010-11-30 00:43:16 +00:00
Bill Wendling 62718de2b9 Add correct encoding for "bl __aeabi_read_tp". However, the asm matcher isn't 
able to match this yet.

llvm-svn: 120369
 2010-11-30 00:34:08 +00:00
Chris Lattner 9a146372b5 Teach basicaa that memset's modref set is at worst "mod" and never 
contains "ref".

Enhance DSE to use a modref query instead of a store-specific hack
to generalize the "ignore may-alias stores" optimization to handle
memset and memcpy.

llvm-svn: 120368
 2010-11-30 00:28:45 +00:00
Sean Callanan 348b5897f9 Added a feature where registers can be referred to 
using special $-variables from expressions.

(lldb) expr $rip

These variables are available for reading and
writing.

llvm-svn: 120367
 2010-11-30 00:27:43 +00:00
Jim Grosbach 027bd47e3e Rename BX/BRIND/etc patterns to clarify which is actually the BX instruction 
and which are pseudos.

llvm-svn: 120366
 2010-11-30 00:24:05 +00:00
Bill Wendling 85a8a72d85 Add some encoding for the adr instruction. Labels still need to be finished. 
llvm-svn: 120365
 2010-11-30 00:18:30 +00:00
Owen Anderson e22c7322b8 Correct Thumb2 encodings for a much wider range of loads and stores. 
llvm-svn: 120364
 2010-11-30 00:14:31 +00:00
Chris Lattner c3c754f750 my previous patch would cause us to start deleting some volatile 
stores, fix and add a testcase.

llvm-svn: 120363
 2010-11-30 00:12:39 +00:00
Jim Grosbach 49408cef39 Make a few more ARM pseudo instructions actually use the PseudoInst base class. 
llvm-svn: 120362
 2010-11-30 00:09:06 +00:00
Bill Wendling ce3d6ca564 Predicate encoding should be withing {}s. And general cleanup. 
llvm-svn: 120361
 2010-11-30 00:08:20 +00:00
Bill Wendling 795f211418 Predicate encoding should be withing {}s. 
llvm-svn: 120360
 2010-11-30 00:05:25 +00:00
Chris Lattner d4f1090948 two changes to DSE that shouldn't affect anything: 
1. Don't bother trying to optimize:

lifetime.end(ptr)
store(ptr)

as it is undefined, and therefore shouldn't exist.

2. Move the 'storing a loaded pointer' xform up, simplifying
  the may-aliased store code.

llvm-svn: 120359
 2010-11-30 00:01:19 +00:00
Bob Wilson 318ce7cb3f Fix the encoding of VLD4-dup alignment. 
The only reasonable way I could find to do this is to provide an alternate
version of the addrmode6 operand with a different encoding function.  Use it
for all the VLD-dup instructions for the sake of consistency.

llvm-svn: 120358
 2010-11-30 00:00:42 +00:00
Bob Wilson 0b27b68164 Rename VLDnDUP instructions with double-spaced registers 
in an attempt to make things a little more consistent.

llvm-svn: 120357
 2010-11-30 00:00:38 +00:00
Bob Wilson 431ac4ef50 Add support for NEON VLD3-dup instructions. 
The encoding for alignment in VLD4-dup instructions is still a work in progress.

llvm-svn: 120356
 2010-11-30 00:00:35 +00:00
Johnny Chen a994070040 Add comment for a branch of test logic which applies to ['clang', 'llvm-gcc'] only. 
llvm-svn: 120355
 2010-11-29 23:58:04 +00:00
Jim Grosbach 9de9a73433 Simplify definitions of the ARM eh.sjlj.*jmp pseudo instructions. 
llvm-svn: 120354
 2010-11-29 23:51:31 +00:00
Jim Grosbach 0c51bb4b25 Parameterize ARMPseudoInst size property. 
llvm-svn: 120353
 2010-11-29 23:48:41 +00:00
Johnny Chen 11d2bae187 Minor comment fix. 
llvm-svn: 120352
 2010-11-29 23:47:40 +00:00
Argyrios Kyrtzidis 091d97c709 Revert r120331 since it causes spurious warnings and a possible assertion hit when self-host. 
llvm-svn: 120351
 2010-11-29 23:42:03 +00:00
Jim Grosbach cb803b043b Add a few missing initializers. 
llvm-svn: 120350
 2010-11-29 23:41:10 +00:00
Michael J. Spencer b775d0b3ad Support/PathV2: Fix 80 col. 
llvm-svn: 120349
 2010-11-29 23:35:49 +00:00
Michael J. Spencer b682b0cd14 Support/PathV2: Update comments. 
llvm-svn: 120348
 2010-11-29 23:35:35 +00:00
Chris Lattner b4df1d5a3e prune an llvmcontext include and simplify some code. 
llvm-svn: 120347
 2010-11-29 23:35:33 +00:00
Chris Lattner 6f3a90b549 Generalize the darwin wrapper hack to work with generic macho triples as well as darwin ones. 
llvm-svn: 120346
 2010-11-29 23:29:54 +00:00
Fariborz Jahanian e1802eefac Incomplete enum types not to be treated as integer type 
when checking for integer signed/unsigned-ness. PR8694,
// rdar://8707031

llvm-svn: 120345
 2010-11-29 23:18:09 +00:00
Jim Grosbach 32ff5586fc Nuke trailing whitespace. 
llvm-svn: 120344
 2010-11-29 23:18:01 +00:00
Jim Grosbach 9f0356b3cc Nuke a FIXME. No need to be fancier here, as ARM handles constant pools 
locations and formatting specially. rdar://7353441

llvm-svn: 120343
 2010-11-29 23:09:20 +00:00
Chris Lattner 2907f44a1b convert llvm-ar and llvm-ranlib to raw_ostream from iostreams. 
Patch by Danil Malyshev!

llvm-svn: 120341
 2010-11-29 23:02:20 +00:00
Owen Anderson 50d662b6cb Provide Thumb2 encodings for basic loads and stores. 
llvm-svn: 120340
 2010-11-29 22:44:32 +00:00
Evan Cheng 9a133f623c Mark Darwin call instructions as using "r7" to prevent the frame-register 
assignment instructions from being moved below / above calls.
rdar://8690640

llvm-svn: 120339
 2010-11-29 22:43:27 +00:00
Jim Grosbach d5cfca1e3d Nuke dead isCodeGenOnly annotation and extraneous comment. 
llvm-svn: 120338
 2010-11-29 22:40:58 +00:00
Benjamin Kramer a22f0ce1a3 Add missing colon. 
llvm-svn: 120336
 2010-11-29 22:39:38 +00:00
Jim Grosbach 1883d94630 tidy up. 
llvm-svn: 120335
 2010-11-29 22:38:48 +00:00
Bill Wendling ee7c5659d7 Thumb encodings for conditional moves. 
llvm-svn: 120334
 2010-11-29 22:37:46 +00:00
Jim Grosbach 7ec3d34553 Pseudo-ize Thumb2 jump tables with explicit MC lowering to the raw 
instructions. This simplifies instruction printing and disassembly.

llvm-svn: 120333
 2010-11-29 22:37:40 +00:00
Benjamin Kramer e6840ef4b3 Fix some broken CHECK lines. 
llvm-svn: 120332
 2010-11-29 22:34:55 +00:00
Argyrios Kyrtzidis 569cad9734 Emit warnings if we are returning a reference to a local temporary. 
The issue was brought to our attention by Matthieu Monrocq.

llvm-svn: 120331
 2010-11-29 22:32:08 +00:00
Michael J. Spencer 3ef91c5593 unittests: Merge SystemTests back into SupportTests. 
llvm-svn: 120330
 2010-11-29 22:29:04 +00:00
Michael J. Spencer ebad2f9d36 Support: Add PathV2 implementation. 
llvm-svn: 120329
 2010-11-29 22:28:51 +00:00
Michael J. Spencer 6d935a2e5c system_error: Remove Windows headers. 
llvm-svn: 120328
 2010-11-29 22:28:32 +00:00
Michael J. Spencer fc6fc9d569 Support/PathV2: Just about every function call requires the Twine header. 
llvm-svn: 120327
 2010-11-29 22:28:22 +00:00
Bill Wendling 5da8cae9ec Refactor some of the "disassembly-only" instructions into a base class. This 
reduces some code duplication.

llvm-svn: 120326
 2010-11-29 22:15:03 +00:00
Chris Lattner 2e8793482c fix PR8677, patch by Jakub Staszak! 
llvm-svn: 120325
 2010-11-29 21:59:31 +00:00
Eric Christopher 43b0c6d94f Update fastisel for the changes in r120272. 
llvm-svn: 120324
 2010-11-29 21:56:23 +00:00
Frits van Bommel 28218aa8f1 Transform (extractvalue (load P), ...) to (load (gep P, 0, ...)) if the load has no other uses, shrinking the load. 
llvm-svn: 120323
 2010-11-29 21:56:20 +00:00
Jason Molenda c1903406e5 Fix build error when lldb is being built i386. 
llvm-svn: 120322
 2010-11-29 21:38:58 +00:00