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path: root/test/Analysis/ScalarEvolution/SolveQuadraticEquation.ll
AgeCommit message (Collapse)Author
2012-08-01Stay rational; don't assert trying to take the square root of a negative value.Nick Lewycky
If it's negative, the loop is already proven to be infinite. Fixes PR13489! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161107 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06This transform only handles two-operand AddRec's. Prevent it from trying toNick Lewycky
handle anything more complex. Fixes PR10383 again! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139186 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06The logic inside getMulExpr to simplify {a,+,b}*{c,+,d} was wrong, which wasNick Lewycky
visible given a=b=c=d=1, on iteration #1 (the second iteration). Replace it with correct math. Fixes PR10383! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139133 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Remove support for using "foo" as symbols instead of %"foo". This is ancientChris Lattner
syntax and has been long obsolete. As usual, updating the tests is the nasty part of this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133242 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26-disable-output is no longer needed with -analyze.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94574 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11Change tests from "opt %s" to "opt < %s" so that opt doesn't see theDan Gohman
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08Change these tests to feed the assembly files to opt directly, insteadDan Gohman
of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-17Add -disable-output to a bunch of tests that don't care about the output.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73633 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-24Rename ScalarEvolution's getIterationCount to getBackedgeTakenCount,Dan Gohman
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65382 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-19While testing particular algorithms to compute loop iteration count the bruteWojciech Matyjewicz
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53792 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-12Now that ScalarEvolution::print writes to the correct stream, there is Wojciech Matyjewicz
no need to redirect stderr into stdout. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47009 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-26Add two test cases to cover apintification change.Zhou Sheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36476 91177308-0d34-0410-b5e6-96231b3b80d8