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07c4e1085d
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Author SHA1 Message Date
Evan Cheng
07c4e1085d - It's not safe to promote rotates (at least not trivially). 
- Some code refactoring.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:19:46 +00:00
Dan Gohman
3b172f1c01 Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:06:42 +00:00
Dan Gohman
620427d5a1 Move PHINodesToUpdate out of SelectionDAGBuilder and into 
FunctionLoweringInfo, as it isn't SelectionDAG-specific. This isn't
completely natural, as PHI node state is not per-function but rather
per-basic-block, however there's currently no other convenient
per-basic-block state to group it with.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 19:55:20 +00:00
Devang Patel
f1dabde404 Rename InsnAfterLabelMap and InsnBeforeLabelMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:43:35 +00:00
Devang Patel
3547a88b50 Keep track of MCSymbol used to mark beginning of a function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:39:21 +00:00
Jim Grosbach
41a776631d Add mention of ARM atomic builtin support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102103 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:33:31 +00:00
Devang Patel
bc655eaee0 At this point Start and End are not null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:28:58 +00:00
Jim Grosbach
269e0fed84 Update ARM frame index scavenging description 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102101 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:28:43 +00:00
Chris Lattner
cb28286b7b remove dupe 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:26:17 +00:00
Chris Lattner
83cd35aff9 reword my incoherent babble into something that makes sense 
from Wesley Peck!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102096 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 17:39:38 +00:00
Chris Lattner
fb1a739202 two more projects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102095 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 17:28:36 +00:00
Chris Lattner
cd062cd54c add some notes from Matthieu Moy! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 17:25:00 +00:00
Chris Lattner
ca73cea8a2 improve tblgen doc, pointed out by Zhongxing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 16:45:27 +00:00
Wesley Peck
1f433615b4 Fixing a typo in the "Clang project" section of the release notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102064 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 14:19:00 +00:00
Wesley Peck
a0c4484bce Small fix to the "Other Improvements and New Features" section of the release notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102063 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 13:53:54 +00:00
Wesley Peck
c0287baced Fixing small typos in the "New Useful APIs" section of the release notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102062 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 13:50:46 +00:00
Wesley Peck
9e385b1367 Fixing small typos in the "ARM Target Improvements" section of the release notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102061 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 13:43:14 +00:00
Wesley Peck
640604ae63 Rewording the "generated debug information" paragraph in the "Interpreter and JIT Improvements" section of the release notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102060 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 13:36:27 +00:00
Wesley Peck
68d1fe9700 Reworking the wording of the "target data string" paragraph in the "Optimizer Improvments" section of the release notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 13:28:34 +00:00
Gabor Greif
ed38745a2a <pre> seems to close <p> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102057 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 10:25:23 +00:00
Gabor Greif
ee2187a38d the validator coughed up some problems, most of them fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102056 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 10:21:43 +00:00
Gabor Greif
c8b3af9f5f shorten link 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102055 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 10:11:24 +00:00
Chris Lattner
f455529b9e static analyzer has its own section 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102054 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 06:39:56 +00:00
Chris Lattner
8cdd7939ad add mc and static analyzer blurbs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102053 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 06:38:11 +00:00
Chris Lattner
914ce46040 another checkpoint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102052 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 06:28:20 +00:00
Chris Lattner
7b91eda0de various updates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102051 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 05:41:35 +00:00
Chris Lattner
70745c661d fix file header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102049 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 05:33:15 +00:00
Dan Gohman
ddb3eafc32 Don't attempt to analyze values which are obviously undef. This fixes some 
assertion failures in extreme cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 01:35:11 +00:00
Dan Gohman
0883355976 Tidy a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102041 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 01:30:05 +00:00
Jakob Stoklund Olesen
a063e19593 Run LiveVariables instead of computing liveness locally in -regalloc=fast. 
This actually makes everything slower, but the plan is to have isel add <kill>
flags the way it is already adding <dead> flags. Then LiveVariables can be
removed again.

When ignoring the time spent in LiveVariables, -regalloc=fast is now twice as
fast as -regalloc=local.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 23:18:07 +00:00
Evan Cheng
e3dd8550c6 Do not try to optimize a copy that has already been marked for deletion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 20:57:54 +00:00
Devang Patel
708e474c2f Add command line option to disable debug info printing in .s file. This option does not impact debug info generation and preservation through earlier compile starges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102012 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 19:08:53 +00:00
Bob Wilson
b913863a95 Fix a performance problem with the new SSAUpdater. This showed up in the 
GCCAS time for MultiSource/Benchmarks/ASCI_Purple/SMG2000.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 18:39:03 +00:00
Johnny Chen
c048f1d12c Modified some assert() msg strings; no other functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102008 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 18:37:48 +00:00
Jakob Stoklund Olesen
00207237dd Add fast register allocator, enabled with -regalloc=fast. 
So far this is just a clone of -regalloc=local that has been lobotomized to run
25% faster. It drops the least-recently-used calculations, and is just plain
stupid when it runs out of registers.

The plan is to make this go even faster for -O0 by taking advantage of the short
live intervals in unoptimized code. It should not be necessary to calculate
liveness when most virtual registers are killed 2-3 instructions after they are
born.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102006 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 18:02:42 +00:00
Devang Patel
9cdb4109d5 Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102004 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 16:32:19 +00:00
Dan Gohman
a560fd28c0 Make ScalarEvolution::getConstant support pointer types, for consistency 
with ScalarEvolution's overall approach to pointer types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102003 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 16:04:04 +00:00
Duncan Sands
cb9dda6946 Dragonegg will be released along side llvm-2.7. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102001 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 13:51:48 +00:00
Chris Lattner
a54c1f70b8 final hacking for tonight, still more to go. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 06:42:24 +00:00
Chris Lattner
450a31edde continue the process of detangling this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101992 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 06:23:40 +00:00
Chris Lattner
b7c85b49a4 rough pass moving stuff into relevant sections, still much 
editing to do.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101987 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 05:17:40 +00:00
Chris Lattner
b136f09deb remove ldc, rubinious, macruby, icedtea, llvm-lua, which 
don't have updates for 2.7.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101985 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 04:28:21 +00:00
Evan Cheng
e566763b19 Implement -disable-non-leaf-fp-elim which disable frame pointer elimination 
optimization for non-leaf functions. This will be hooked up to gcc's
-momit-leaf-frame-pointer option. rdar://7886181


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101984 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 03:18:23 +00:00
Evan Cheng
5528e7bcb1 isel (i32 anyext i16) as insert_subreg when 16-bit ops are being promoted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101979 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:47:12 +00:00
Evan Cheng
fe5dcbc27d Trim include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101978 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:39:06 +00:00
Dan Gohman
f0757b0edc Add more const qualifiers on TargetMachine and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:34:56 +00:00
Dan Gohman
af5097537c Update CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101976 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:32:29 +00:00
Dan Gohman
5eb6d65a27 Move several SelectionDAG-independent utility functions out of the 
SelectionDAG directory and into a new Analysis.cpp file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:22:34 +00:00
Johnny Chen
52d2b0ed00 Thumb instructions which have reglist operands at the end and predicate operands 
before reglist were not properly handled with respect to IT Block.  Fix that by
creating a new method ARMBasicMCBuilder::DoPredicateOperands() used by those
instructions for disassembly.  Add a test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101974 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:01:19 +00:00
Chris Lattner
08e322db8a Implement (but don't enable) PR6724 and rdar://6295824. In short, 
we have RefreshCallGraph detect when a function pass devirtualizes
a call, and have CGSCCPassMgr iterate (up to a count) when this 
happens.  This allows (in the example) GVN to devirtualize the 
call in foo, then the inliner to inline it away.

This is not currently enabled because I haven't done any analysis
on the (potentially substantial) code size or performance impact of
doing this, and guess what, it exposes callgraph updating bugs in
various passes.  This is progress though, and you can play with it
by passing -max-cg-scc-iterations=5 to opt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101973 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 00:47:40 +00:00