| commit | 6578f1beb1a5c0f94958bfe68b866658e26eef08 | [log] [tgz] |
|---|---|---|
| author | David Majnemer <david.majnemer@gmail.com> | Wed Dec 10 09:14:52 2014 +0000 |
| committer | David Majnemer <david.majnemer@gmail.com> | Wed Dec 10 09:14:52 2014 +0000 |
| tree | afff3ea0d027a4078d8044b825a58fe9d56c680f | |
| parent | 89db49fb9b078c3442c1fee6c1385760c7287bfd [diff] |
InstSimplify: [al]shr exact undef, %X -> undef Exact shifts always keep the non-zero bits of their input. This means it keeps it's undef bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223923 91177308-0d34-0410-b5e6-96231b3b80d8