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Author SHA1 Message Date
Dan Gohman
391423b743 Sink SelectionDAGBuilder's HandlePHINodesInSuccessorBlocks down 
into SelectionDAGBuilder itself.

llvm-svn: 102128
 2010-04-22 20:55:53 +00:00
Devang Patel
cf9bece3dd Adjust debug range offsets for isWeakForLinker() functions. 
llvm-svn: 102127
 2010-04-22 20:52:00 +00:00
Dan Gohman
e4787844ea Add a blurb about the new LSR. 
llvm-svn: 102126
 2010-04-22 20:50:43 +00:00
Nick Lewycky
a75e358709 The -condprop pass has been deleted. 
llvm-svn: 102125
 2010-04-22 20:48:34 +00:00
Dan Gohman
70f0f7f0d3 The post-RA scheduler is currently off by default on x86. 
llvm-svn: 102124
 2010-04-22 20:47:28 +00:00
Dan Gohman
d819e7fc95 Move HandlePHINodesInSuccessorBlocks functions out of SelectionDAGISel 
and into SelectionDAGBuilder and FastISel.

llvm-svn: 102123
 2010-04-22 20:46:50 +00:00
Douglas Gregor
56d10f2b15 Add some verbiage about Clang to the 2.7 release notes 
llvm-svn: 102121
 2010-04-22 20:42:40 +00:00
Chris Lattner
66e308198d add a DEBUG call so that -debug lists when CGSCCPM iterates. 
Fix RefreshCallGraph to use CGN->replaceCallEdge instead of hand
rolling its own loop.  replaceCallEdge properly maintains the
reference counts of the nodes, fixing a crash exposed by the
iterative callgraph stuff.

llvm-svn: 102120
 2010-04-22 20:42:33 +00:00
Chris Lattner
efb9e5bf75 eliminate dead #include. 
llvm-svn: 102119
 2010-04-22 20:41:10 +00:00
Evan Cheng
da832d5c85 - It's not safe to promote rotates (at least not trivially). 
- Some code refactoring.

llvm-svn: 102111
 2010-04-22 20:19:46 +00:00
Dan Gohman
56b517480e Fix a comment. 
llvm-svn: 102110
 2010-04-22 20:06:42 +00:00
Dan Gohman
a177e59e3e 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.

llvm-svn: 102109
 2010-04-22 19:55:20 +00:00
Devang Patel
c58366a423 Rename InsnAfterLabelMap and InsnBeforeLabelMap. 
llvm-svn: 102106
 2010-04-22 18:43:35 +00:00
Devang Patel
bae79885a8 Keep track of MCSymbol used to mark beginning of a function. 
llvm-svn: 102104
 2010-04-22 18:39:21 +00:00
Jim Grosbach
caf6c99d1c Add mention of ARM atomic builtin support 
llvm-svn: 102103
 2010-04-22 18:33:31 +00:00
Devang Patel
4160348891 At this point Start and End are not null. 
llvm-svn: 102102
 2010-04-22 18:28:58 +00:00
Jim Grosbach
d6e2566355 Update ARM frame index scavenging description 
llvm-svn: 102101
 2010-04-22 18:28:43 +00:00
Chris Lattner
309aa11350 remove dupe 
llvm-svn: 102100
 2010-04-22 18:26:17 +00:00
Chris Lattner
6233e00e2a reword my incoherent babble into something that makes sense 
from Wesley Peck!

llvm-svn: 102096
 2010-04-22 17:39:38 +00:00
Chris Lattner
dfdc7fccda two more projects. 
llvm-svn: 102095
 2010-04-22 17:28:36 +00:00
Chris Lattner
ed23fe4cff add some notes from Matthieu Moy! 
llvm-svn: 102093
 2010-04-22 17:25:00 +00:00
Chris Lattner
fc13e24c81 improve tblgen doc, pointed out by Zhongxing. 
llvm-svn: 102072
 2010-04-22 16:45:27 +00:00
Wesley Peck
8f150ced6d Fixing a typo in the "Clang project" section of the release notes. 
llvm-svn: 102064
 2010-04-22 14:19:00 +00:00
Wesley Peck
b295a50091 Small fix to the "Other Improvements and New Features" section of the release notes. 
llvm-svn: 102063
 2010-04-22 13:53:54 +00:00
Wesley Peck
dc9ba0134b Fixing small typos in the "New Useful APIs" section of the release notes. 
llvm-svn: 102062
 2010-04-22 13:50:46 +00:00
Wesley Peck
7f83cbe232 Fixing small typos in the "ARM Target Improvements" section of the release notes. 
llvm-svn: 102061
 2010-04-22 13:43:14 +00:00
Wesley Peck
cb022ed0ce Rewording the "generated debug information" paragraph in the "Interpreter and JIT Improvements" section of the release notes. 
llvm-svn: 102060
 2010-04-22 13:36:27 +00:00
Wesley Peck
e625128571 Reworking the wording of the "target data string" paragraph in the "Optimizer Improvments" section of the release notes. 
llvm-svn: 102059
 2010-04-22 13:28:34 +00:00
Gabor Greif
13e1b5b1f1 <pre> seems to close <p> 
llvm-svn: 102057
 2010-04-22 10:25:23 +00:00
Gabor Greif
354e1c3939 the validator coughed up some problems, most of them fixed 
llvm-svn: 102056
 2010-04-22 10:21:43 +00:00
Gabor Greif
635f76d9de shorten link 
llvm-svn: 102055
 2010-04-22 10:11:24 +00:00
Chris Lattner
8ff3e6506e static analyzer has its own section 
llvm-svn: 102054
 2010-04-22 06:39:56 +00:00
Chris Lattner
649d0d8f2f add mc and static analyzer blurbs. 
llvm-svn: 102053
 2010-04-22 06:38:11 +00:00
Chris Lattner
5f414c7e6c another checkpoint. 
llvm-svn: 102052
 2010-04-22 06:28:20 +00:00
Chris Lattner
6335b2f168 various updates. 
llvm-svn: 102051
 2010-04-22 05:41:35 +00:00
Chris Lattner
6adbb41d8c fix file header. 
llvm-svn: 102049
 2010-04-22 05:33:15 +00:00
Dan Gohman
31d6b29bae Don't attempt to analyze values which are obviously undef. This fixes some 
assertion failures in extreme cases.

llvm-svn: 102042
 2010-04-22 01:35:11 +00:00
Dan Gohman
1af81d31e9 Tidy a comment. 
llvm-svn: 102041
 2010-04-22 01:30:05 +00:00
Jakob Stoklund Olesen
7806eb2897 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.

llvm-svn: 102034
 2010-04-21 23:18:07 +00:00
Evan Cheng
a324da99ae Do not try to optimize a copy that has already been marked for deletion. 
llvm-svn: 102027
 2010-04-21 20:57:54 +00:00
Devang Patel
293567822a 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. 
llvm-svn: 102012
 2010-04-21 19:08:53 +00:00
Bob Wilson
7716410af6 Fix a performance problem with the new SSAUpdater. This showed up in the 
GCCAS time for MultiSource/Benchmarks/ASCI_Purple/SMG2000.

llvm-svn: 102009
 2010-04-21 18:39:03 +00:00
Johnny Chen
c23127cb7e Modified some assert() msg strings; no other functionality change. 
llvm-svn: 102008
 2010-04-21 18:37:48 +00:00
Jakob Stoklund Olesen
8cf10fe9e4 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.

llvm-svn: 102006
 2010-04-21 18:02:42 +00:00
Devang Patel
158b496cd1 Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges. 
llvm-svn: 102004
 2010-04-21 16:32:19 +00:00
Dan Gohman
4ca879bebb Make ScalarEvolution::getConstant support pointer types, for consistency 
with ScalarEvolution's overall approach to pointer types.

llvm-svn: 102003
 2010-04-21 16:04:04 +00:00
Duncan Sands
3a53ba12eb Dragonegg will be released along side llvm-2.7. 
llvm-svn: 102001
 2010-04-21 13:51:48 +00:00
Chris Lattner
97c2f2650f final hacking for tonight, still more to go. 
llvm-svn: 101995
 2010-04-21 06:42:24 +00:00
Chris Lattner
10da8920ca continue the process of detangling this. 
llvm-svn: 101992
 2010-04-21 06:23:40 +00:00
Chris Lattner
53633d42d1 rough pass moving stuff into relevant sections, still much 
editing to do.

llvm-svn: 101987
 2010-04-21 05:17:40 +00:00