Chris Lattner fe42462164 Use a smallvector for inactiveCounts and initialize it lazily
instead of init'ing it maximally to zeros on entry.  getFreePhysReg
is pretty hot and only a few elements are typically used.  This speeds
up linscan by 5% on 176.gcc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47631 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-26 22:08:41 +00:00
..
2008-02-26 10:51:52 +00:00
2008-02-23 01:17:37 +00:00
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