| commit | dad5e8aacd231555530a27fe317c24ce6ebc000d | [log] [tgz] |
|---|---|---|
| author | Philip Reames <listmail@philipreames.com> | Thu Aug 09 04:21:02 2018 +0000 |
| committer | Philip Reames <listmail@philipreames.com> | Thu Aug 09 04:21:02 2018 +0000 |
| tree | 1a0b7ed87b5b8e3ead75694e398abda080a52933 | |
| parent | f67b15406f7e56d91add1111f968fb614c6d8df2 [diff] |
[LICM] Add tests for future hoisting of fence instructions [NFC] The main interesting case is a fence in an otherwise dead loop or one containing only arithmetic. This can happen as a result of DSE or other transforms from seemingly reasonable initial IR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@339310 91177308-0d34-0410-b5e6-96231b3b80d8