| commit | 0b6e4ebf6734e7aa8f13ab867f5ebc52b15d727a | [log] [tgz] |
|---|---|---|
| author | Sanjay Patel <spatel@rotateright.com> | Tue Mar 13 19:20:01 2018 +0000 |
| committer | Sanjay Patel <spatel@rotateright.com> | Tue Mar 13 19:20:01 2018 +0000 |
| tree | c6defc594576b00973a195021c675cef6c9f4b41 | |
| parent | 5edc5fb7cf0bd0b82c06aed8f653d8a690c98a22 [diff] |
[x86] add test for WriteZero sched class instructions; NFC Nops should have zero latency because there is no result. Idioms like 'xorps xmm0, xmm0' may have zero latency because they are handled without using an execution unit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@327435 91177308-0d34-0410-b5e6-96231b3b80d8