- Two minor improvements to the MachineInstr class to reduce footprint and
    overhead: Merge 3 parallel vectors into 1, change regsUsed hash_set to be a
    bitvector.  Sped up LLC a little less than 10% in a debug build!

llvm-svn: 4261
4 files changed
tree: 4b51ed9e8be88f0dfd1a2502ce071cdb905a8ca0
  1. llvm/