| commit | c333f36cb34861921c6fe67cc5a3e8c814f9a6bf | [log] [tgz] |
|---|---|---|
| author | Nikita Popov <nikita.ppv@gmail.com> | Sat Jan 19 09:56:01 2019 +0000 |
| committer | Nikita Popov <nikita.ppv@gmail.com> | Sat Jan 19 09:56:01 2019 +0000 |
| tree | ed638c8958d18423dd2f9bc5a7da593e67b71063 | |
| parent | 05a9855584fe807f70892af30ad1b01e30b70e97 [diff] |
[InstCombine] Simplify cttz/ctlz + icmp ugt/ult Followup to D55745, this time handling comparisons with ugt and ult predicates (which are the canonical forms for non-equality predicates). For ctlz we can convert into a simple icmp, for cttz we can convert into a mask check. Differential Revision: https://reviews.llvm.org/D56355 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351645 91177308-0d34-0410-b5e6-96231b3b80d8