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32418 Commits

Author SHA1 Message Date
Dan Gohman 2980d9da45 This patch extends the LoopUnroll pass to be able to unroll loops 
with unknown trip counts. This is left off by default, and a
command-line option enables it. It also begins to separate loop
unrolling into a utility routine; eventually it might be made usable
from other passes.

It currently works by inserting conditional branches between each
unrolled iteration, unless it proves that the trip count is a
multiple of a constant integer > 1, which it currently only does in
the rare case that the trip count expression is a Mul operator with
a ConstantInt operand. Eventually this information might be provided
by other sources, for example by a pass that peels/splits the loop
for this purpose.

llvm-svn: 36990
 2007-05-11 20:53:41 +00:00
Chris Lattner 600db3eb96 fix regressions from my previous checking, including 
Transforms/InstCombine/2006-12-08-ICmp-Combining.ll

llvm-svn: 36989
 2007-05-11 16:58:45 +00:00
Anton Korobeynikov 67286b1266 Perform correct actions numbers/sizes computation 
llvm-svn: 36988
 2007-05-11 08:47:35 +00:00
Anton Korobeynikov 00d02442b0 Fix action No calculation in multiple-invoke-one-LP mode 
llvm-svn: 36987
 2007-05-11 08:23:57 +00:00
Reid Spencer c014687788 For PR1411: 
Don't try to use {} bracketing when setting a variable in site.exp

llvm-svn: 36985
 2007-05-11 06:47:16 +00:00
Chris Lattner fe2b44de9f fix Transforms/InstCombine/2007-05-10-icmp-or.ll 
llvm-svn: 36984
 2007-05-11 05:55:56 +00:00
Chris Lattner b6d85ad1e1 new testcase that crashes instcombine 
llvm-svn: 36983
 2007-05-11 05:55:38 +00:00
Devang Patel d385e3970f Drop ModuleID from comment. 
llvm-svn: 36982
 2007-05-11 00:45:58 +00:00
Chris Lattner 436370bac8 fix a memory leak 
llvm-svn: 36981
 2007-05-11 00:43:26 +00:00
Chris Lattner fd96905f12 Fix a bug where the bcreader could crash on .bc files that were an exact 
multiple of the page size, due to a bug in MappedFile

llvm-svn: 36980
 2007-05-11 00:00:27 +00:00
Dale Johannesen cc8f571bc8 Do not generate branches to entry block. This fixes several test suite 
failures on PPC (can happen only when prologue code is null)

llvm-svn: 36979
 2007-05-10 23:59:23 +00:00
Anton Korobeynikov ee02c7d2fb Ooops. Some debugging stuff :) 
llvm-svn: 36978
 2007-05-10 22:38:46 +00:00
Anton Korobeynikov 96142de3f0 Allow multiple invokes per landing pad. This (probably) fixes PR1410. 
llvm-svn: 36977
 2007-05-10 22:34:59 +00:00
Duncan Sands b43fe52136 Later computations assume we are aligned at this point. 
llvm-svn: 36975
 2007-05-10 18:40:24 +00:00
Anton Korobeynikov ed5dad4306 TypeIds are indexed by j, not i 
llvm-svn: 36974
 2007-05-10 15:10:34 +00:00
Anton Korobeynikov c52614ba88 These attributes are supported! 
llvm-svn: 36973
 2007-05-10 08:26:24 +00:00
Chris Lattner 3d82dcf1c4 gar. GCC 3.4.2 also miscompiles llvm at -O3. :( 
llvm-svn: 36972
 2007-05-10 06:42:21 +00:00
Chris Lattner 455563bb96 another version of gcc that miscompiles llvm. 
llvm-svn: 36971
 2007-05-10 05:37:14 +00:00
Dale Johannesen b42c11265c Another test for tail mergeing 
llvm-svn: 36967
 2007-05-10 01:04:28 +00:00
Dale Johannesen 6e16d09252 Make tail merging handle many more cases (all it can, I think). 
llvm-svn: 36966
 2007-05-10 01:01:49 +00:00
Chris Lattner 623c738fe9 add some notes 
llvm-svn: 36965
 2007-05-10 00:08:04 +00:00
Evan Cheng db214c77b4 Can't fold bit_convert into truncating store. 
llvm-svn: 36963
 2007-05-09 21:54:34 +00:00
Evan Cheng f325c2a65e Can't fold the bit_convert is the store is a truncating store. 
llvm-svn: 36962
 2007-05-09 21:49:47 +00:00
Anton Korobeynikov 192d09c2d9 Do not assert, when case range split metric is zero and JTs are not allowed: just emit binary tree in this case. This 
fixes PR1403.

llvm-svn: 36959
 2007-05-09 20:07:08 +00:00
Lauro Ramos Venancio bbe26581d9 Add two ARM known problems. 
llvm-svn: 36958
 2007-05-09 19:31:58 +00:00
Evan Cheng bf67a327c7 PR1399 test case. 
llvm-svn: 36957
 2007-05-09 19:20:37 +00:00
Duncan Sands dd75c1a255 Testcase for 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070507/049387.html

llvm-svn: 36956
 2007-05-09 08:41:26 +00:00
Devang Patel 9557247412 Fix PR1333 
Testcases :
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070507/049451.html
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070507/049452.html

llvm-svn: 36955
 2007-05-09 08:24:12 +00:00
Devang Patel 00a08d129e New test. 
llvm-svn: 36954
 2007-05-09 08:19:24 +00:00
Devang Patel 519f2997cc New test. 
llvm-svn: 36953
 2007-05-09 08:08:46 +00:00
Chris Lattner c97579318b arm no longer experimental, c++ eh support is? 
llvm-svn: 36952
 2007-05-09 06:23:58 +00:00
Chris Lattner 2d47f92f07 add a meta-blurb about the 2.0 release 
llvm-svn: 36951
 2007-05-09 05:27:05 +00:00
Chris Lattner 98a334980a strip the llvm 1.9 info out of the release notes 
llvm-svn: 36950
 2007-05-09 04:58:11 +00:00
Evan Cheng 9c031c0ddf Switch BCC, MOVCCr, etc. to PredicateOperand. 
llvm-svn: 36948
 2007-05-08 21:08:43 +00:00
Evan Cheng d194a8603d PredicateOperand can be used as a normal operand for isel. 
llvm-svn: 36947
 2007-05-08 21:06:08 +00:00
Evan Cheng 5162f584c7 If a PredicateOperand has an empty ExecuteAlways field, treat it as if a normal operand for isel. 
llvm-svn: 36946
 2007-05-08 21:04:07 +00:00
Chris Lattner 75d56499c6 add the & back. I'm not sure why bill removed it. 
llvm-svn: 36945
 2007-05-08 20:08:06 +00:00
Bill Wendling 31fd60ba0c Change names from RA to something unique to get rid of naming conflicts with 
certain linkers...

llvm-svn: 36944
 2007-05-08 19:02:46 +00:00
Evan Cheng 9e17872c1d Eliminate MarkVirtRegAliveInBlock recursion. 
llvm-svn: 36943
 2007-05-08 19:00:00 +00:00
Evan Cheng 6c6cea91fc Add MachineBasicBlock preds / succs reverse iterators. 
llvm-svn: 36942
 2007-05-08 18:55:03 +00:00
Devang Patel 95cd89f25b New test for PR1400 
llvm-svn: 36941
 2007-05-08 18:08:20 +00:00
Dale Johannesen 882a6019af testcase for CodeGenPrepare bug fixed yesterday 
llvm-svn: 36940
 2007-05-08 17:44:36 +00:00
Evan Cheng f50ba31ec6 R0 is a sub-register of X0, etc. 
llvm-svn: 36939
 2007-05-08 17:03:51 +00:00
Dan Gohman 2e1f804764 Fix various whitespace inconsistencies. 
llvm-svn: 36936
 2007-05-08 15:19:19 +00:00
Dan Gohman 49d08a57f5 Correct the comment for ApproximateLoopSize to reflect what it actually does. 
llvm-svn: 36935
 2007-05-08 15:14:19 +00:00
Bill Wendling 0c976b8762 Spare '&' in the RUN line. 
llvm-svn: 36933
 2007-05-08 07:49:07 +00:00
Devang Patel 91041718f7 New test. 
llvm-svn: 36930
 2007-05-08 06:10:12 +00:00
Chris Lattner aba457b30b update comments, no functionality change 
llvm-svn: 36929
 2007-05-08 05:38:32 +00:00
Chris Lattner 4c0a6d660e Make a preemptive bitcode format change to support PR1146. This lets us do 
pr1146 in llvm 2.1 without ugly code to emulate old behavior.  This should
be merged into the 2.0 release branch.

llvm-svn: 36928
 2007-05-08 05:38:01 +00:00
Tanya Lattner 2357362805 Bumping cvs version number 
llvm-svn: 36922
 2007-05-08 04:32:07 +00:00