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Author SHA1 Message Date
Chris Lattner
d6f02d1fff remove the pointless check of MemoryUseIntrinsic from 
is trivially dead, since these have side effects.  This makes the
(misnamed) MemoryUseIntrinsic class dead, so remove it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 02:03:47 +00:00
Chris Lattner
12bf43bc4f strength reduce this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120381 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 01:56:13 +00:00
Chris Lattner
9dc9e81aa7 getLocationForDest should work for memset as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120380 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 01:48:20 +00:00
Chris Lattner
72987a2742 rename doesClobberMemory -> hasMemoryWrite to be more specific, and 
remove an actively-wrong comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120378 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 01:37:52 +00:00
Chris Lattner
1ab4285b72 clean up handling of 'free', detangling it from everything else. 
It can be seriously improved, but at least now it isn't intertwined
with the other logic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120377 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 01:28:33 +00:00
Bill Wendling
0e45a5a901 Minor cleanups. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:50:22 +00:00
Bill Wendling
6e46d84eea s/ARM::BRIND/ARM::BX/g to coincide with r120366. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120371 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:48:15 +00:00
Chris Lattner
13815d9d3e enhance basicaa to return "Mod" for a memcpy call when the 
queried location doesn't overlap the source, and add a testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120370 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:43:16 +00:00
Bill Wendling
647fea57fd Add correct encoding for "bl __aeabi_read_tp". However, the asm matcher isn't 
able to match this yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120369 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:34:08 +00:00
Chris Lattner
201d1e56bb 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120368 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:28:45 +00:00
Jim Grosbach
532c2f1d50 Rename BX/BRIND/etc patterns to clarify which is actually the BX instruction 
and which are pseudos.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120366 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:24:05 +00:00
Bill Wendling
67077419c6 Add some encoding for the adr instruction. Labels still need to be finished. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120365 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:18:30 +00:00
Owen Anderson
6af50f7dd1 Correct Thumb2 encodings for a much wider range of loads and stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120364 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:14:31 +00:00
Chris Lattner
184d1ba738 my previous patch would cause us to start deleting some volatile 
stores, fix and add a testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120363 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:12:39 +00:00
Jim Grosbach
5c86a0a2b5 Make a few more ARM pseudo instructions actually use the PseudoInst base class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120362 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:09:06 +00:00
Bill Wendling
8ca2fd6665 Predicate encoding should be withing {}s. And general cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120361 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:08:20 +00:00
Bill Wendling
194271a76e Predicate encoding should be withing {}s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120360 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:05:25 +00:00
Chris Lattner
0f53f592ad 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120359 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:01:19 +00:00
Bob Wilson
8e0c7b5287 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120358 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:00:42 +00:00
Bob Wilson
173fb1421a Rename VLDnDUP instructions with double-spaced registers 
in an attempt to make things a little more consistent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120357 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:00:38 +00:00
Bob Wilson
6c4c982f83 Add support for NEON VLD3-dup instructions. 
The encoding for alignment in VLD4-dup instructions is still a work in progress.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120356 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 00:00:35 +00:00
Jim Grosbach
e76473d9ba Simplify definitions of the ARM eh.sjlj.*jmp pseudo instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120354 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 23:51:31 +00:00
Jim Grosbach
6e4221153b Parameterize ARMPseudoInst size property. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120353 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 23:48:41 +00:00
Jim Grosbach
00a257af5b Add a few missing initializers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120350 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 23:41:10 +00:00
Chris Lattner
7a0b4fdd14 prune an llvmcontext include and simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120347 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 23:35:33 +00:00
Chris Lattner
695b281186 Generalize the darwin wrapper hack to work with generic macho triples as well as darwin ones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120346 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 23:29:54 +00:00
Jim Grosbach
03f44a04e6 Nuke trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 23:18:01 +00:00
Jim Grosbach
cd3c7cb915 Nuke a FIXME. No need to be fancier here, as ARM handles constant pools 
locations and formatting specially. rdar://7353441

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 23:09:20 +00:00
Owen Anderson
75579f739f Provide Thumb2 encodings for basic loads and stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120340 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 22:44:32 +00:00
Evan Cheng
1e0eab122b Mark Darwin call instructions as using "r7" to prevent the frame-register 
assignment instructions from being moved below / above calls.
rdar://8690640


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120339 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 22:43:27 +00:00
Jim Grosbach
a0bb253119 Nuke dead isCodeGenOnly annotation and extraneous comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120338 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 22:40:58 +00:00
Jim Grosbach
fbf0cb18cb tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120335 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 22:38:48 +00:00
Bill Wendling
9b0e92ca5b Thumb encodings for conditional moves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120334 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 22:37:46 +00:00
Jim Grosbach
5ca66696e7 Pseudo-ize Thumb2 jump tables with explicit MC lowering to the raw 
instructions. This simplifies instruction printing and disassembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120333 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 22:37:40 +00:00
Michael J. Spencer
dffde99644 Support: Add PathV2 implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120329 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 22:28:51 +00:00
Bill Wendling
a46a493c02 Refactor some of the "disassembly-only" instructions into a base class. This 
reduces some code duplication.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120326 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 22:15:03 +00:00
Chris Lattner
e9e973018a fix PR8677, patch by Jakub Staszak! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120325 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 21:59:31 +00:00
Eric Christopher
7bb5996e47 Update fastisel for the changes in r120272. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120324 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 21:56:23 +00:00
Frits van Bommel
34ceb4db22 Transform (extractvalue (load P), ...) to (load (gep P, 0, ...)) if the load has no other uses, shrinking the load. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 21:56:20 +00:00
Jim Grosbach
d092a87ba3 Rename t2 TBB and TBH instructions to reference that they encode the jump table 
data. Next up, pseudo-izing them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120320 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 21:28:32 +00:00
Owen Anderson
5404c2b36e Improving the factoring of several instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120317 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 20:38:48 +00:00
Frits van Bommel
3ee0af3584 Teach ConstantFoldInstruction() how to fold insertvalue and extractvalue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120316 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 20:36:52 +00:00
Charles Davis
53ca1f3190 Now to chant the magical incantation that will exorcise the System library 
from LLVM forever:

grep -lR "llvm/System" * | grep -v .svn | xargs sed -ie 's#llvm/System#llvm/Support#g'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120314 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 19:44:50 +00:00
Bob Wilson
86c6d80a7a Add support for NEON VLD3-dup instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120312 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 19:35:29 +00:00
Bob Wilson
2fcda63763 Fix copy-and-paste errors in VLD2-dup scheduling itineraries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120311 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 19:35:23 +00:00
Jim Grosbach
f1aa47dc1a ARM Pseudo-ize tBR_JTr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120310 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 19:32:47 +00:00
Owen Anderson
00a035f74f Thumb2 encodings for MSR and MRS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120309 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 19:29:15 +00:00
Owen Anderson
d18a9c9b9d Thumb2 encodings for system instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120307 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 19:22:08 +00:00
Owen Anderson
05bf595122 Thumb2 encodings for branches and IT blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120306 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 18:54:38 +00:00
Jim Grosbach
11fbff8085 The ARM BR_JT* pseudos don't need to use the printer jtblock_operand node to 
get the pretty-printer. That's handled explicityly by the MC lowering now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120305 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 18:53:24 +00:00