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* Remove LoopIndexSplit pass. It is neither maintained nor used by anyone.Devang Patel2010-10-071-66/+0
| | | | llvm-svn: 116004
* Change tests from "opt %s" to "opt < %s" so that opt doesn't see theDan Gohman2009-09-111-1/+1
| | | | | | | | 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
* Change these tests to feed the assembly files to opt directly, insteadDan Gohman2009-09-081-1/+1
| | | | | | of using llvm-as, now that opt supports this. llvm-svn: 81226
* Rewrite code that 1) filters loops and 2) calculates new loop bounds.Devang Patel2008-12-041-21/+21
| | | | | | | | This fixes many bugs. I will add more test cases in a separate check-in. Some day, the code that manipulates CFG and updates dom. info could use refactoring help. llvm-svn: 60554
* Check loop exit predicate properly while eliminating one iteration loop.Devang Patel2008-10-101-0/+66
This patch fixes PR 2869 llvm-svn: 57369
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