| commit | dbc8b93e8ae0e41cf126ab070e0bb2dc167a6e1d | [log] [tgz] |
|---|---|---|
| author | Hongbin Zheng <etherzhhb@gmail.com> | Thu Mar 30 21:56:56 2017 +0000 |
| committer | Hongbin Zheng <etherzhhb@gmail.com> | Thu Mar 30 21:56:56 2017 +0000 |
| tree | 46d1d83ca3ad5e29b6d5e2925e5e6c96145edd82 | |
| parent | 373055293b04c63fefe690f0c1568c72bc8cbd8c [diff] |
[SimplifyIndvar] Replace the sdiv used by IV if we can prove both of its operands are non-negative Since there is no sdiv in SCEV, an 'udiv' is a better canonical form than an 'sdiv' as the user of induction variable Differential Revision: https://reviews.llvm.org/D31488 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299118 91177308-0d34-0410-b5e6-96231b3b80d8