| commit | 41308c99e9a96af1d86caea281c156f616e8f4fb | [log] [tgz] |
|---|---|---|
| author | Matthias Braun <matze@braunis.de> | Tue Jun 27 18:05:26 2017 +0000 |
| committer | Matthias Braun <matze@braunis.de> | Tue Jun 27 18:05:26 2017 +0000 |
| tree | b230ed2c1073c15f39941e04edd7abd9f03b66b1 | |
| parent | 32f1f18b64d389604418c0f835bf8359e7fef4fa [diff] |
LiveRangeCalc: Slightly improve map usage; NFC
- DenseMap should be faster than std::map
- Use the `InsertRes = insert() if (!InsertRes.inserted)` pattern rather
than the `if (!X.contains(...)) { X.insert(...); }` to save one map
lookup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306436 91177308-0d34-0410-b5e6-96231b3b80d8