[PATCH] D50272: [tablegen] Improve performance of -gen-register-info by replacing barely-necessary std::map with a sorted vector

[Roman Tereshin via Phabricator via llvm-commits]

rtereshin added inline comments.


================
Comment at: utils/TableGen/RegisterInfoEmitter.cpp:466
   }
+  std::sort(DwarfRegNums.begin(), DwarfRegNums.end(),
+            on_first<LessRecordRegister>());
----------------
Ah, missed an easy one: this sort is not needed anymore as we don't insert anything into `DwarfRegNums` anymore in the loop above AFAICT.


Repository:
  rL LLVM

https://reviews.llvm.org/D50272