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Author SHA1 Message Date
Bruno Cardoso Lopes
f23919b3e9 Reorganize SSE instructions, making easier to see oportunities for refactoring 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 18:09:32 +00:00
Dan Gohman
853d3fb8d2 Move PHIElimination's SplitCriticalEdge for MachineBasicBlocks out 
into a utility routine, teach it how to update MachineLoopInfo, and
make use of it in MachineLICM to split critical edges on demand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106555 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 17:25:57 +00:00
Jakob Stoklund Olesen
6ff1c3f36c Remove the SimpleJoin optimization from SimpleRegisterCoalescing. 
Measurements show that it does not speed up coalescing, so there is no reason
the keep the added complexity around.

Also clean out some unused methods and static functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106548 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 16:13:57 +00:00
Dan Gohman
5cf27f81f4 Split out the code for finding a unique loop predecessor from 
getLoopPreheader into a separate function, for clients which don't
require a proper preheader.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106543 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 15:25:42 +00:00
Dan Gohman
fe60104ac9 Use pre-increment instead of post-increment when the result is not used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106542 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 15:08:57 +00:00
Dan Gohman
30f30e4386 Add a comment explaining a non-obvious API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106539 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 13:57:08 +00:00
Dan Gohman
455164bdff Add an explicit keyword. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 13:53:29 +00:00
Dan Gohman
9d4588ffad Allow "exhaustive" trip count evaluation on phi nodes with all 
constant operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 13:15:46 +00:00
Devang Patel
e4acff8720 Revert 106528. It is causing self host failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106529 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 06:14:09 +00:00
Devang Patel
52e0612f7d Do not rely on DenseMap slot which can be easily invalidated when DenseMap grows. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106528 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 05:16:56 +00:00
Bob Wilson
ec68864877 Revert my change to clone named metadata. Buildbots are complaining. 
--- Reverse-merging r106508 into '.':
U    lib/Transforms/Utils/CloneModule.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106521 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 02:08:51 +00:00
Dan Gohman
cc1ca987f3 When unfolding a load, avoid assuming which instruction that 
kill and dead flags will end up on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106520 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 02:07:21 +00:00
Devang Patel
a762b09310 Use single interface, using twine, to get named metadata. 
getNamedMetadata().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106518 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 01:19:38 +00:00
Evan Cheng
4d54e5b2dd Tail merging pass shall not break up IT blocks. rdar://8115404 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106517 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 01:18:16 +00:00
Devang Patel
7e1d742e1a Discard special LLVM prefix from linkage name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106516 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 01:06:05 +00:00
Devang Patel
d1bbc6b70e Do not rely on Twine temporaries to survive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106515 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 01:01:58 +00:00
Chris Lattner
ceea301c1d make sure to initialize indent_level 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106513 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 00:40:26 +00:00
Dan Gohman
7aa7bc735d Fix the new load-unfolding code to update LiveVariable's dead flags, 
in addition to the kill flags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106512 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 00:32:04 +00:00
Bob Wilson
e42f493f4c Include named metadata when cloning a module. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-22 00:11:03 +00:00
Eric Christopher
df7d419f26 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106505 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 23:49:08 +00:00
Chris Lattner
3284877064 add some support for blockaddress. This isn't really enough to be useful, 
but it will cover uses of blockaddress that are actually in a function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106502 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 23:19:36 +00:00
Chris Lattner
1018c24c13 eliminate a mutable global variable, use raw_ostream::indent instead of 
rolling our own.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106501 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 23:14:47 +00:00
Chris Lattner
7e6d7451ae un-indent a huge amount of code out of an anonymous namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 23:12:56 +00:00
Bruno Cardoso Lopes
c27d1e4d17 revert r106482 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106499 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 22:59:03 +00:00
Chris Lattner
b0e9eada32 fix several bugs in the tutorial, patch by Kevin Kelley! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106498 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 22:51:14 +00:00
Dan Gohman
584fedf188 Teach two-address lowering how to unfold a load to open up commuting 
opportunities. For example, this lets it emit this:

   movq (%rax), %rcx
   addq %rdx, %rcx

instead of this:

   movq %rdx, %rcx
   addq (%rax), %rcx

in the case where %rdx has subsequent uses. It's the same number
of instructions, and usually the same encoding size on x86, but
it appears faster, and in general, it may allow better scheduling
for the load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106493 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 22:17:20 +00:00
Bruno Cardoso Lopes
b7cc3f6ae6 change parameter name to avoid confusion with global definition 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106486 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 21:28:07 +00:00
Bob Wilson
56a1a69a35 sign_extend_inreg needs to be expanded for pre-v6 Thumb as well as ARM. 
Radar 8104310.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106484 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 21:27:34 +00:00
Jim Grosbach
a967d1121a LEApcrelJT shouldn't be marked as neverHasSideEffects, as we don't want it 
being moved around away from the jump table it references. rdar://8104340

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106483 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 21:27:27 +00:00
Bruno Cardoso Lopes
b44e8b2d11 Add unpack and interleave AVX instructions, encoding tests cooming soon 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106482 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 21:21:48 +00:00
Evan Cheng
d95ea2da28 Fix PR7421: bug in kill transferring logic. It was ignoring loads / stores which have already been processed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106481 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 21:21:14 +00:00
Chris Lattner
d47397f6dd This makes example Makefile a lot more like actual 
lib/Transforms/Hello/Makefile, and prevents a lot of errors like "Assertion
`Inserted && "Pass registered multiple times!"' failed"

Patch by Gregory Petrosyan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 20:36:09 +00:00
Eric Christopher
1f4a1493fb Remove isTwoAddress from llvm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106470 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 20:35:09 +00:00
Chris Lattner
61abd7b395 "This is just a cosmetic change in MCAsmStreamer.cpp/EmitSymbolAttribute: all attributes have now a \t before and after, as done for '.type'. 
This makes the output look consistent, as well as help some third party assemblers expecting the attributes to be in the second column."

Patch by Arnaud de Grandmaison!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106469 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 20:35:01 +00:00
Chris Lattner
6808cdc424 fix typos reported by Adam Warner! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106468 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 20:31:30 +00:00
Eric Christopher
be4e066ff9 Remove isTwoAddress from SystemZ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106467 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 20:25:57 +00:00
Eric Christopher
c63a404d56 Remove isTwoAddress from Sparc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106466 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 20:22:35 +00:00
Eric Christopher
c452d79c43 Remove isTwoAddress from Mips. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106465 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 20:19:21 +00:00
Eric Christopher
b82a7ea1b2 Remove isTwoAddress from Blackfin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106457 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 20:13:37 +00:00
Eric Christopher
f704408bf7 Remove isTwoAddress from MSP430. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 20:07:30 +00:00
Dan Gohman
909acf7cae Make this test more robust in case LLVM ever decides to align the global 
variable differently.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 19:56:27 +00:00
Dan Gohman
403a8cdda5 Use A.append(...) instead of A.insert(A.end(), ...) when A is a 
SmallVector, and other SmallVector simplifications.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 19:47:52 +00:00
Eric Christopher
658ebcc7ec Make 80-column. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 18:56:55 +00:00
Eric Christopher
90301312d5 Remove isTwoAddress from PIC16. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106447 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 18:55:01 +00:00
Eric Christopher
4a232f0836 Remove isTwoAddress from XCore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106446 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 18:51:38 +00:00
Eric Christopher
23265d0054 Remove isTwoAddress from Alpha. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106445 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 18:48:55 +00:00
Dan Gohman
e407c1d158 Move several non-performance-critical member functinos out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106444 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 18:46:45 +00:00
Dale Johannesen
b1e51f6910 Add missing FileCheck call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 18:46:08 +00:00
Devang Patel
0a805d1f2e test case for r106438. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 18:37:23 +00:00
Devang Patel
10de3bb4fd Do not directly use function names to construct new name for named metadata. 
"llvm.dbg.lv.~A" is not a valid name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106438 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-21 18:36:58 +00:00