Commit Graph

13 Commits

Author SHA1 Message Date
Bill Wendling dc17270968 FileCheckize some of the testcases.
llvm-svn: 187756
2013-08-05 23:43:18 +00:00
Nick Lewycky fb78083b1c Stay rational; don't assert trying to take the square root of a negative value.
If it's negative, the loop is already proven to be infinite. Fixes PR13489!

llvm-svn: 161107
2012-08-01 09:14:36 +00:00
Nick Lewycky e0aa54bb98 This transform only handles two-operand AddRec's. Prevent it from trying to
handle anything more complex. Fixes PR10383 again!

llvm-svn: 139186
2011-09-06 21:42:18 +00:00
Nick Lewycky 658bdb5133 The logic inside getMulExpr to simplify {a,+,b}*{c,+,d} was wrong, which was
visible given a=b=c=d=1, on iteration #1 (the second iteration). Replace it with
correct math. Fixes PR10383!

llvm-svn: 139133
2011-09-06 05:05:14 +00:00
Chris Lattner def1949c00 Remove support for using "foo" as symbols instead of %"foo". This is ancient
syntax and has been long obsolete.  As usual, updating the tests is the nasty
part of this.

llvm-svn: 133242
2011-06-17 06:36:20 +00:00
Dan Gohman 80386c10d4 -disable-output is no longer needed with -analyze.
llvm-svn: 94574
2010-01-26 19:25:59 +00:00
Dan Gohman 1880092722 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 9737a63ed8 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
Dan Gohman 432af7ace0 Add -disable-output to a bunch of tests that don't care about the output.
llvm-svn: 73633
2009-06-17 20:56:26 +00:00
Dan Gohman 0bddac16a8 Rename ScalarEvolution's getIterationCount to getBackedgeTakenCount,
to more accurately describe what it does. Expand its doxygen comment
to describe what the backedge-taken count is and how it differs
from the actual iteration count of the loop. Adjust names and
comments in associated code accordingly.

llvm-svn: 65382
2009-02-24 18:55:53 +00:00
Wojciech Matyjewicz a78669c2cf While testing particular algorithms to compute loop iteration count the brute
force evaluation (ComputeIterationCountExhaustively) should be turned off.

It doesn't apply to trip-count2.ll because this file tests the brute force
evaluation.

The test for PR2364 (2008-05-25-NegativeStepToZero.ll) currently fails
showing that the patch for this bug doesn't work. I'll fix it in a few hours
with a patch for PR2088.

llvm-svn: 53792
2008-07-19 13:26:15 +00:00
Wojciech Matyjewicz ddb265b905 Now that ScalarEvolution::print writes to the correct stream, there is
no need to redirect stderr into stdout.

llvm-svn: 47009
2008-02-12 15:12:40 +00:00
Zhou Sheng 6d207a761f Add two test cases to cover apintification change.
llvm-svn: 36476
2007-04-26 16:44:48 +00:00