| commit | 1f96e67f78110d0ac5b30a32375097a28f869c63 | [log] [tgz] |
|---|---|---|
| author | Dan Gohman <gohman@apple.com> | Thu Sep 17 18:05:20 2009 +0000 |
| committer | Dan Gohman <gohman@apple.com> | Thu Sep 17 18:05:20 2009 +0000 |
| tree | 0d7e9d9548abac5b768f7bc42fabb8da8d8f0a96 | |
| parent | f9ca50e3dce88b2f9e2f2f0cac2d3ed78afda841 [diff] |
Teach ScalarEvolution how to reason about no-wrap flags on loops
where the induction variable has a non-unit stride, such as {0,+,2}, and
there are expressions such as {1,+,2} inside the loop formed with
or or add nsw operators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82151 91177308-0d34-0410-b5e6-96231b3b80d8