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11631 Commits

Author SHA1 Message Date
Evan Cheng
419ea286ee Fix and re-enable tail call optimization of expanded libcalls. 
llvm-svn: 120622
 2010-12-01 22:59:46 +00:00
Rafael Espindola
5fe5f45352 Rename temporary symbols if they conflict with artificial symbols created 
by the assembler. This was blocking parsing any large .s produced by clang for
example.

Fixes PR8596.

llvm-svn: 120603
 2010-12-01 20:46:11 +00:00
Owen Anderson
943fb60b1f Add correct encodings for STRD and LDRD, including fixup support. Additionally, update these to unified syntax. 
llvm-svn: 120589
 2010-12-01 19:18:46 +00:00
Evan Cheng
a695abde49 Speculatively disable x86 portion of r120501 to appease the x86_64 buildbot. 
llvm-svn: 120549
 2010-12-01 03:27:20 +00:00
Jason W Kim
29805961d8 ARM/MC/ELF relocation "hello world" for movw/movt. 
Lifted adjustFixupValue() from Darwin for sharing w ELF.
Test added
TODO:
  refactor ELFObjectWriter::RecordRelocation more.
  Possibly share more code with Darwin?
  Lots more relocations...

llvm-svn: 120534
 2010-12-01 02:40:06 +00:00
Chris Lattner
1c577b54b0 fix a bozo bug I introduced in r119930, causing a miscompile of 
20040709-1.c from the gcc testsuite.  I was using the size of a
pointer instead of the pointee.  This fixes rdar://8713376

llvm-svn: 120519
 2010-12-01 01:24:55 +00:00
NAKAMURA Takumi
c8bf78e7f3 test/Archive: FileCheck-ize, and remove *.toc. These may be CRLF-tolerant. 
llvm-svn: 120506
 2010-12-01 00:09:25 +00:00
Evan Cheng
d4b0873c06 Enable sibling call optimization of libcalls which are expanded during 
legalization time. Since at legalization time there is no mapping from
SDNode back to the corresponding LLVM instruction and the return
SDNode is target specific, this requires a target hook to check for
eligibility. Only x86 and ARM support this form of sibcall optimization
right now.
rdar://8707777

llvm-svn: 120501
 2010-11-30 23:55:39 +00:00
Chris Lattner
903add84d9 Enhance DSE to handle the variable index case in PR8657. 
llvm-svn: 120498
 2010-11-30 23:43:23 +00:00
Chris Lattner
d513faf41f remove fixme comment too. 
llvm-svn: 120493
 2010-11-30 23:25:01 +00:00
Chris Lattner
370797a1fb check in *all* files. This is now handled by my previous DSE commit. 
llvm-svn: 120492
 2010-11-30 23:23:59 +00:00
Chris Lattner
c0f3379ae0 teach DSE to use GetPointerBaseWithConstantOffset to analyze 
may-aliasing stores that partially overlap with different base
pointers.  This implements PR6043 and the non-variable part of
PR8657

llvm-svn: 120485
 2010-11-30 23:05:20 +00:00
Chris Lattner
b63ba73b1b enhance isRemovable to refuse to delete volatile mem transfers 
now that DSE hacks on them.  This fixes a regression I introduced,
by generalizing DSE to hack on transfers.

llvm-svn: 120445
 2010-11-30 19:12:10 +00:00
Owen Anderson
6187e66801 Add tests for more forms of Thumb2 loads and stores. 
llvm-svn: 120436
 2010-11-30 18:15:21 +00:00
Che-Liang Chiou
e9baf13657 ptx: add command-line options for gpu target and ptx version 
llvm-svn: 120423
 2010-11-30 10:14:14 +00:00
Eric Christopher
8e9fbcf0f0 Not all platforms use _<func>. Duh. 
llvm-svn: 120418
 2010-11-30 09:23:54 +00:00
Bill Wendling
811c936ed5 Add parsing for the Thumb t_addrmode_s4 addressing mode. This can almost 
certainly be made more generic. But it does allow us to parse something like:

          ldr     r3, [r2, r4]

correctly in Thumb mode.

llvm-svn: 120408
 2010-11-30 07:44:32 +00:00
Chris Lattner
58b779e9c2 Rewrite the main DSE loop to be written in terms of reasoning 
about pairs of AA::Location's instead of looking for MemDep's
"Def" predicate.  This is more powerful and general, handling
memset/memcpy/store all uniformly, and implementing PR8701 and
probably obsoleting parts of memcpyoptimizer.

This also fixes an obscure bug with init.trampoline and i8
stores, but I'm not surprised it hasn't been hit yet.  Enhancing
init.trampoline to carry the size that it stores would allow
DSE to be much more aggressive about optimizing them.

llvm-svn: 120406
 2010-11-30 07:23:21 +00:00
Eric Christopher
fa6657cec0 Rewrite mwait and monitor support and custom lower arguments. 
Fixes PR8573.

llvm-svn: 120404
 2010-11-30 07:20:12 +00:00
Anders Carlsson
e3ea1cba79 Add a puts optimization that converts puts() to putchar('\n'). 
llvm-svn: 120398
 2010-11-30 06:19:18 +00:00
Anders Carlsson
77e9892afd Fix a typo. 
llvm-svn: 120394
 2010-11-30 06:03:55 +00:00
Anders Carlsson
631d06bbce Rename this test to FPuts.ll since it actually tests fputs. 
llvm-svn: 120393
 2010-11-30 05:59:26 +00:00
Chris Lattner
6c7f64e0bc remove a use of llvm-dis 
llvm-svn: 120383
 2010-11-30 02:04:15 +00:00
Chris Lattner
c2e3445273 merge one more away 
llvm-svn: 120375
 2010-11-30 01:06:43 +00:00
Chris Lattner
7578d0df51 I already merged partial-overwrite.ll -> PartialStore.ll 
Merge context-sensitive.ll -> simple.ll and upgrade it.

llvm-svn: 120374
 2010-11-30 01:05:07 +00:00
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
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
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
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
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
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
Benjamin Kramer
a22f0ce1a3 Add missing colon. 
llvm-svn: 120336
 2010-11-29 22:39:38 +00:00
Benjamin Kramer
e6840ef4b3 Fix some broken CHECK lines. 
llvm-svn: 120332
 2010-11-29 22:34:55 +00:00
Chris Lattner
2e8793482c fix PR8677, patch by Jakub Staszak! 
llvm-svn: 120325
 2010-11-29 21:59:31 +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
Frits van Bommel
40a80ac963 Update this test to keep testing the -instcombine transform it's supposed to be testing instead of triggering the improved constant folding for insertvalue and extractvalue. 
llvm-svn: 120319
 2010-11-29 20:55:40 +00:00
Frits van Bommel
a98214de10 Teach ConstantFoldInstruction() how to fold insertvalue and extractvalue. 
llvm-svn: 120316
 2010-11-29 20:36:52 +00:00
Bob Wilson
77ab165afe Add support for NEON VLD3-dup instructions. 
llvm-svn: 120312
 2010-11-29 19:35:29 +00:00
Kalle Raiskila
1ff0bfa28f Handle lshr for i128 correctly on SPU also when 
shiftamount > 7.

llvm-svn: 120288
 2010-11-29 14:44:28 +00:00
Kalle Raiskila
dc620afd1e Enable PostRA scheduling for SPU. 
This speeds up selected test cases with up to
5% - no slowdowns observed.

llvm-svn: 120286
 2010-11-29 10:30:25 +00:00
NAKAMURA Takumi
6ea8a947e8 test: Check the feature 'loadable_module' with load modules in %llvmshlibdir. 
%llvmshlibdir should be 'bin' on Cygming.

llvm-svn: 120282
 2010-11-29 07:58:32 +00:00
Bill Wendling
232e52cfb7 Add more Thumb encodings. 
llvm-svn: 120279
 2010-11-29 01:07:48 +00:00
Bill Wendling
ccba1a8d95 More Thumb encodings. 
llvm-svn: 120278
 2010-11-29 01:00:43 +00:00
Bill Wendling
9600e97c60 Add Thumb encodings for REV instructions. 
llvm-svn: 120277
 2010-11-29 00:42:50 +00:00
NAKAMURA Takumi
4fc56f0be7 test: Use $SharedLibDir for loadable modules. On Cygming, loadable modules are not in lib/ but bin. 
llvm-svn: 120274
 2010-11-29 00:20:21 +00:00
NAKAMURA Takumi
5114d0afe3 test: Add the new feature 'loadable_module'. 
llvm-svn: 120273
 2010-11-29 00:20:09 +00:00
Bill Wendling
775899eb2e Add more Thumb encodings. 
llvm-svn: 120272
 2010-11-29 00:18:15 +00:00
Chris Lattner
7e8a99b1c3 fix PR8686, accepting a 'b' suffix at the end of all the setcc 
instructions.  I choose to handle this with an asmparser hack,
though it could be handled by changing all the instruction definitions
to allow be "setneb" instead of "setne".  The asm parser hack is
better in this case, because we want the disassembler to produce
setne, not setneb.

llvm-svn: 120260
 2010-11-28 20:23:50 +00:00