They were all auto-incremented from 0 anyway, and I'm getting really annoying
conflicts and runtime failures when different people add more for GlobalISel
(and even when I'm refactoring my own patches).
NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276204 91177308-0d34-0410-b5e6-96231b3b80d8