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17 Commits

Author SHA1 Message Date
Matthijs Kooijman 98b5c16e3b Add -unroll-allow-partial command line option that enabled the loop unroller to 
partially unroll a loop when fully unrolling would not fit under the threshold.

Patch by Mikael Lepistö.

llvm-svn: 54160
 2008-07-29 13:21:23 +00:00
Dan Gohman 04c8bd7e11 Revert 52645, the loop unroller changes. It caused a regression in 252.eon. 
llvm-svn: 52688
 2008-06-24 20:44:42 +00:00
Dan Gohman 48c5c7e860 Revamp the loop unroller, extending it to correctly update PHI nodes 
in the presence of out-of-loop users of in-loop values and the trip
count is not a known multiple of the unroll count, and to be a bit
simpler overall. This fixes PR2253.

llvm-svn: 52645
 2008-06-23 21:29:41 +00:00
Gabor Greif 1e427c3264 sabre brings to my attention that the 'tr' suffix is also obsolete 
llvm-svn: 51349
 2008-05-20 21:00:03 +00:00
Gabor Greif f45ff35bfe Rename the last test with .llx extension to .ll, resolve duplicate test by renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. 
llvm-svn: 51328
 2008-05-20 19:52:04 +00:00
Tanya Lattner ab7872c06c Upgrade tests. 
llvm-svn: 48538
 2008-03-19 07:28:33 +00:00
Nick Lewycky efb16f7057 Be more careful modifying the use_list while also iterating through it. 
llvm-svn: 46417
 2008-01-27 18:35:00 +00:00
Devang Patel b98d2050a2 If a value is incoming from outside the loop then the value does not need remapping and the value is never tracked through LastValueMap. 
llvm-svn: 43728
 2007-11-05 19:32:30 +00:00
John Criswell 2660cef6d7 Convert .cvsignore files 
llvm-svn: 37801
 2007-06-29 16:35:07 +00:00
Dan Gohman 6164a1b279 Add a testcase for unrolling loops with unknown tripcounts. 
llvm-svn: 37238
 2007-05-18 19:59:23 +00:00
Chris Lattner 580d824e5d new testcase for PR1385 
llvm-svn: 36783
 2007-05-05 18:48:52 +00:00
Devang Patel 74ede29a27 Add PR number for reference. 
llvm-svn: 36184
 2007-04-16 23:52:37 +00:00
Devang Patel 369bec184b New test case. 
llvm-svn: 36181
 2007-04-16 23:02:22 +00:00
Reid Spencer 6e87ec4351 For PR1319: 
Remove && from the end of the lines to prevent tests from throwing run
lines into the background. Also, clean up places where the same command
is run multiple times by using a temporary file.

llvm-svn: 36142
 2007-04-16 17:36:08 +00:00
Reid Spencer 951d8dc29f For PR1319: 
Upgrade to use new Tcl exec based test harness.

llvm-svn: 36062
 2007-04-15 08:30:33 +00:00
Reid Spencer d029c7e666 Make the llvm-runtest function much more amenable by eliminating all the 
global variables that needed to be passed in. This makes it possible to
add new global variables with only a couple changes (Makefile and llvm-dg.exp)
instead of touching every single dg.exp file.

llvm-svn: 35918
 2007-04-11 19:56:59 +00:00
Reid Spencer 83b3d82672 Regression is gone, don't try to find it on clean target. 
llvm-svn: 33296
 2007-01-17 07:59:14 +00:00