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27 Commits

Author SHA1 Message Date
Bill Wendling
145872a92c Try to eliminate the use of the 'unwind' instruction. 
llvm-svn: 139046
 2011-09-02 22:41:11 +00:00
Bill Wendling
8b764c6aa5 Update to new EH scheme. 
llvm-svn: 138908
 2011-08-31 21:50:07 +00:00
Chris Lattner
17983fc4ba stop accepting begin/end around function bodies in the .ll parser, this isn't pascal anymore. 
llvm-svn: 133244
 2011-06-17 06:42:57 +00:00
Dan Gohman
205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
 2009-09-11 18:01:28 +00:00
Dan Gohman
142428ce64 Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81293
 2009-09-09 00:09:15 +00:00
Dan Gohman
c95df8b6d8 Use opt -S instead of piping bitcode output through llvm-dis. 
llvm-svn: 81257
 2009-09-08 22:34:10 +00:00
Dan Gohman
8d84372836 Change these tests to feed the assembly files to opt directly, instead 
of using llvm-as, now that opt supports this.

llvm-svn: 81226
 2009-09-08 16:50:01 +00:00
Duncan Sands
880eaf5278 Allow readonly functions to unwind exceptions. Teach 
the optimizers about this.  For example, a readonly
function with no uses cannot be removed unless it is
also marked nounwind.

llvm-svn: 71071
 2009-05-06 06:49:50 +00:00
Owen Anderson
1acfb69ad7 Remove the ability for ADCE to remove unreachable blocks in loop nests, because, as Eli pointed out, SimplifyCFG already does this. 
llvm-svn: 53104
 2008-07-03 17:21:41 +00:00
Owen Anderson
e20158affb Add support to ADCE for pruning unreachable blocks. This addresses the final 
part of PR2509.

llvm-svn: 53038
 2008-07-02 18:05:19 +00:00
Owen Anderson
bd3940abc7 Replace the old ADCE implementation with a new one that more simply solves 
the one case that ADCE catches that normal DCE doesn't: non-induction variable
loop computations.

This implementation handles this problem without using postdominators.

llvm-svn: 51668
 2008-05-29 08:45:13 +00:00
Gabor Greif
807c2df887 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
d8a4dbb5da 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
Owen Anderson
55b78bc887 Move this test from ADCE to loop deletion, where it is more appropriate. 
llvm-svn: 51181
 2008-05-16 04:34:19 +00:00
Owen Anderson
f8c80ca156 Move this test to LoopDeletion, where it now passes. 
llvm-svn: 50474
 2008-04-30 07:17:22 +00:00
Chris Lattner
a9d8d647ca rename *.llx -> *.ll, last batch. 
llvm-svn: 49971
 2008-04-19 22:32:52 +00:00
Owen Anderson
64fc7a4268 XFAIL this test for the moment. The real solution is to prevent ADCE 
from transforming loops and adding a separate loop pass for removing
loops with know trip counts.  Until that happens, ADCE is miscompiling this code.

llvm-svn: 49769
 2008-04-16 04:25:42 +00:00
Tanya Lattner
c072619922 Remove llvm-upgrade and update test cases. 
llvm-svn: 47793
 2008-03-01 09:15:35 +00:00
Duncan Sands
265752ae8f Ding dong, the DoesntAccessMemoryFns and 
OnlyReadsMemoryFns tables are dead!  We
get more, and more accurate, information
from gcc via the readnone and readonly
function attributes.

llvm-svn: 44288
 2007-11-23 19:30:27 +00:00
Duncan Sands
6ec98952e0 Readonly/readnone functions are allowed to throw 
exceptions, so don't turn invokes of them into
calls.

llvm-svn: 44278
 2007-11-22 21:40:06 +00:00
Devang Patel
aa2a753350 Unreachable block is not a root node in post dominator tree. 
llvm-svn: 40458
 2007-07-24 01:02:25 +00:00
John Criswell
57e5ed4b5a Convert .cvsignore files 
llvm-svn: 37801
 2007-06-29 16:35:07 +00:00
Reid Spencer
3b350f543e For PR1319: 
Convert to new test system.

llvm-svn: 36023
 2007-04-14 22:54:01 +00:00
Reid Spencer
56b310ae49 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
50ee6b8557 Remove use of implementation keyword. 
llvm-svn: 35412
 2007-03-28 02:38:26 +00:00
Reid Spencer
c124adcc12 For PR1258: 
Revise numeric value references to accommodate collapsed type planes.

llvm-svn: 35170
 2007-03-19 18:27:35 +00:00
Reid Spencer
4572ce85b0 Regression is gone, don't try to find it on clean target. 
llvm-svn: 33296
 2007-01-17 07:59:14 +00:00