| commit | f8165c02edb2b6024aa83efbfbee5edcfd01b466 | [log] [tgz] |
|---|---|---|
| author | Justin Bogner <mail@justinbogner.com> | Thu May 26 22:29:34 2016 +0000 |
| committer | Justin Bogner <mail@justinbogner.com> | Thu May 26 22:29:34 2016 +0000 |
| tree | f8c9d3c2cb477e98bd2a88e7d4067e5fc400d53f | |
| parent | b987d27af9535fcd6e8bb91ddc84f5a7c9771862 [diff] |
SDAG: Use an Optional<> instead of a sigil value. NFC This just makes it a bit more clear that we don't intend to use a deleted node for anything here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270931 91177308-0d34-0410-b5e6-96231b3b80d8