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Author SHA1 Message Date
Jim Grosbach
2dac770227 ARM NEON refactor VST2 w/ writeback instructions. 
In addition to improving the representation, this adds support for assembly
parsing of these instructions.

llvm-svn: 146588
 2011-12-14 21:32:11 +00:00
Jim Grosbach
7fe9f4b949 ARM NEON improve factoring a bit. No functional change. 
llvm-svn: 146585
 2011-12-14 20:59:15 +00:00
Evan Cheng
8d5b09811a Model ARM predicated write as read-mod-write. e.g. 
r0 = mov #0
r0 = moveq #1

Then the second instruction has an implicit data dependency on the first
instruction. Sadly I have yet to come up with a small test case that
demonstrate the post-ra scheduler taking advantage of this.

llvm-svn: 146583
 2011-12-14 20:00:08 +00:00
Jim Grosbach
44829ab9d2 ARM NEON VST2 assembly parsing and encoding. 
Work in progress. Parsing for non-writeback, single spaced register lists
works now. The rest have the representations better factored, but still
need more to be able to parse properly.

llvm-svn: 146579
 2011-12-14 19:35:22 +00:00
Stepan Dyatkovskiy
14cb78c6fb Fix for bug #11429: Wrong behaviour for switches. Small improvement for code size heuristics. 
llvm-svn: 146578
 2011-12-14 19:19:17 +00:00
Dan Gohman
e9572aa680 It turns out that clang does use pointer-to-function types to 
point to ARC-managed pointers sometimes. This fixes rdar://10551239.

llvm-svn: 146577
 2011-12-14 19:10:53 +00:00
Jakob Stoklund Olesen
bc1bb8d763 Fix speling and 80-col. 
llvm-svn: 146575
 2011-12-14 18:49:13 +00:00
Akira Hatanaka
3fca32d88e Add support for local dynamic TLS model in LowerGlobalTLSAddress. Direct object 
emission is not supported yet, but a patch that adds the support should follow
soon.

llvm-svn: 146572
 2011-12-14 18:26:41 +00:00
Jim Grosbach
7f0853a3f9 Fix copy/pasto that skipped the 'modify' step. 
llvm-svn: 146571
 2011-12-14 18:12:37 +00:00
Jim Grosbach
87066950b3 ARM/Thumb2 mov vs. mvn alias goes both ways. 
llvm-svn: 146570
 2011-12-14 17:56:51 +00:00
Chad Rosier
879f983406 VFP2 is required for FP loads. Noticed by inspection. 
llvm-svn: 146569
 2011-12-14 17:55:03 +00:00
Chad Rosier
4cb75ebb48 Tidy up. 
llvm-svn: 146568
 2011-12-14 17:32:02 +00:00
Jim Grosbach
54372eef76 ARM/Thumb2 'cmp rn, #imm' alias to cmn. 
When 'cmp rn #imm' doesn't match due to the immediate not being representable,
but 'cmn rn, #-imm' does match, use the latter in place of the former, as
it's equivalent.

rdar://10552389

llvm-svn: 146567
 2011-12-14 17:30:24 +00:00
Chad Rosier
c642144c4e Fix 80-column violation and extraneous brackets. 
llvm-svn: 146566
 2011-12-14 17:26:05 +00:00
Duncan Sands
1de7ae0e43 Vectors are not aggregate types (see isAggregateType). 
llvm-svn: 146561
 2011-12-14 15:44:20 +00:00
NAKAMURA Takumi
f9188630a4 llvm/lib/CodeGen: Fix cmake build since r146542. 
llvm-svn: 146550
 2011-12-14 03:50:53 +00:00
Eli Friedman
760c0f359a Fix a stupid typo in MemDepPrinter. 
llvm-svn: 146549
 2011-12-14 02:54:39 +00:00
Eli Friedman
eb387f51bc Add missing cases to SDNode::getOperationName(). Patch by Micah Villmow. 
llvm-svn: 146548
 2011-12-14 02:28:54 +00:00
Evan Cheng
3257bff430 Allow target to specify register output dependency. Still default to one. 
llvm-svn: 146547
 2011-12-14 02:28:53 +00:00
Bill Wendling
66a97b48f3 Revert r146481 to review possible miscompilations. 
llvm-svn: 146546
 2011-12-14 02:18:26 +00:00
Bill Wendling
0ee400172b Disable to review some failures. 
llvm-svn: 146545
 2011-12-14 02:16:54 +00:00
Jim Grosbach
628ae663ef ARM assembler support for the target-specific .req directive. 
rdar://10549683

llvm-svn: 146543
 2011-12-14 02:16:11 +00:00
Evan Cheng
68ba5536f3 - Add MachineInstrBundle.h and MachineInstrBundle.cpp. This includes a function 
to finalize MI bundles (i.e. add BUNDLE instruction and computing register def
  and use lists of the BUNDLE instruction) and a pass to unpack bundles.
- Teach more of MachineBasic and MachineInstr methods to be bundle aware.
- Switch Thumb2 IT block to MI bundles and delete the hazard recognizer hack to
  prevent IT blocks from being broken apart.

llvm-svn: 146542
 2011-12-14 02:11:42 +00:00
Chad Rosier
33f40b2c25 Add newline at EOF. 
llvm-svn: 146538
 2011-12-14 01:34:39 +00:00
Nick Lewycky
b5bf0582aa DW_AT_virtuality is also defined to be constant, not flag. 
llvm-svn: 146534
 2011-12-14 00:56:07 +00:00
Chad Rosier
cddacd5cf6 Per discussion on the list, remove BitcodeVerify pass to reimplement as a free function. 
llvm-svn: 146531
 2011-12-14 00:29:31 +00:00
Kostya Serebryany
7d3cbe255e [asan] remove .preinit_array from the compiler module (it breaks .so builds). This should be done in the run-time. 
llvm-svn: 146527
 2011-12-14 00:01:51 +00:00
Michael J. Spencer
02c5e58b03 llvm-nm: refactor in order to support reading files from stdin. 
llvm-svn: 146524
 2011-12-13 23:17:29 +00:00
Michael J. Spencer
5cf93fd736 Support/FileSystem: Add file_magic and move a vew clients over to it. 
llvm-svn: 146523
 2011-12-13 23:17:12 +00:00
Michael J. Spencer
52d5a254bc Support/Program: Make Change<stream>ToBinary return error_code. 
llvm-svn: 146522
 2011-12-13 23:16:49 +00:00
Michael J. Spencer
8d2c45200a Cleanup whitespace. 
llvm-svn: 146521
 2011-12-13 23:16:15 +00:00
Jim Grosbach
089ad574d8 Thumb2 assembler aliases for "mov(shifted register)" 
rdar://10549767

llvm-svn: 146520
 2011-12-13 22:45:11 +00:00
Jim Grosbach
bd33fc6efd ARM LDM/STM system instruction variants. 
rdar://10550269

llvm-svn: 146519
 2011-12-13 21:48:29 +00:00
Jim Grosbach
11f15ddaab Thumb2 pre/post indexed stores can be from any non-PC GPR. 
rdar://10549786

llvm-svn: 146518
 2011-12-13 21:10:25 +00:00
Jim Grosbach
7db50010cc Test for 146516 
llvm-svn: 146517
 2011-12-13 21:06:59 +00:00
Jim Grosbach
b2547b424c Thumb2 tweak for ccout handling in RSB parsing. 
llvm-svn: 146516
 2011-12-13 21:06:41 +00:00
Jim Grosbach
13d3509445 ARM thumb2 parsing of "rsb rd, rn, #0". 
rdar://10549741

llvm-svn: 146515
 2011-12-13 20:50:38 +00:00
Jim Grosbach
dfec87fe2f ARM NEON two-operand aliases for VQDMULH. 
llvm-svn: 146514
 2011-12-13 20:40:37 +00:00
Jim Grosbach
0ba5ba4535 ARM pre-UAL NEG mnemonic for convenience when porting old code. 
llvm-svn: 146511
 2011-12-13 20:23:22 +00:00
Jim Grosbach
1738a66371 ARM add some more pre-UAL VFP mnemonics for convenience when porting old code. 
llvm-svn: 146508
 2011-12-13 20:13:48 +00:00
Jim Grosbach
9e5ef02adb ARM add more 'gas' compatibility aliases for NEON instructions. 
llvm-svn: 146507
 2011-12-13 20:08:32 +00:00
Kostya Serebryany
4579e0c874 mention AddressSanitizer in 3.1 release notes 
llvm-svn: 146505
 2011-12-13 19:46:24 +00:00
Kostya Serebryany
8c4be7b06e [asan] report an error if blacklist file contains a malformed regex. fixes asan issue 17 
llvm-svn: 146503
 2011-12-13 19:34:53 +00:00
Chad Rosier
8af97606a9 [fast-isel] Unaligned loads of floats are not supported. Therefore, convert to a regular 
load and then move the result from a GPR to a FPR.

llvm-svn: 146502
 2011-12-13 19:22:14 +00:00
Chris Lattner
e407984265 Rip llvm 3.0 out of the release notes, making room for LLVM 3.1 
llvm-svn: 146493
 2011-12-13 17:55:30 +00:00
Chad Rosier
281f9442f3 [fast-isel] Remove SelectInsertValue() as fast-isel wasn't designed to handle 
instructions that define aggregate types.

llvm-svn: 146492
 2011-12-13 17:45:06 +00:00
Bill Wendling
bb813111b6 Avoid using the 'insertvalue' instruction here. 
Fast ISel isn't able to handle 'insertvalue' and it causes a large slowdown
during -O0 compilation. We don't necessarily need to generate an aggregate of
the values here if they're just going to be extracted directly afterwards.
<rdar://problem/10530851>

llvm-svn: 146481
 2011-12-13 09:22:43 +00:00
Nick Lewycky
ce20cf5c5c DW_AT_accessibility is "constant" class, not form class, so it may not use 
DW_FORM_flag. Use DW_FORM_data1 for one byte.

llvm-svn: 146475
 2011-12-13 05:09:11 +00:00
Akira Hatanaka
23f439aca1 Add test/MC/Mips/dg.exp. 
llvm-svn: 146472
 2011-12-13 04:12:49 +00:00
Akira Hatanaka
a9290d5ab9 Move direct object emitter test to directory test/MC/Mips. Rename it to 
elf-relsym.ll.

llvm-svn: 146470
 2011-12-13 03:50:34 +00:00