Move RABasic::addMBBLiveIns to the base class, it is generally useful.

Minor optimization to the use of IntervalMap iterators. They are fairly
heavyweight, so prefer SI.valid() over SI != end().

llvm-svn: 121217
3 files changed
tree: b7db408684c058848d49bb9f96f7e8bbe0a50b8e
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/