[mips] Replace usage of SmallSet with BitVector, which is used to keep track of
authorAkira Hatanaka <ahatanaka@mips.com>
Thu, 14 Feb 2013 23:40:57 +0000 (23:40 +0000)
committerAkira Hatanaka <ahatanaka@mips.com>
Thu, 14 Feb 2013 23:40:57 +0000 (23:40 +0000)
commit06bd138dad183bdd2dc77ea6dc2c35108d8155f1
treeeaa298b37669dc79e642c8682c6ec4da16449328
parent8d7b7a434a4492a70ed29bb91d9aa0ce9ce94947
[mips] Replace usage of SmallSet with BitVector, which is used to keep track of
defined and used registers. Also add a few helper functions to simplify the
code.

llvm-svn: 175224
llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp