Commit Graph

3 Commits

Author SHA1 Message Date
Dan Gohman
abe776a794 Add tests for existing InstSimplify features.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143721 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04 18:39:16 +00:00
Dan Gohman
71d0503157 Teach instsimplify to simplify calls to undef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143719 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04 18:32:42 +00:00
Dan Gohman
68c0dbc14f Improve constant folding of undef for cmp and select operators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134223 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-01 01:03:43 +00:00