Evan Cheng ec5cb0cdbd Initilize the machine LICM CSE map upon the first time an instruction is hoisted to
the loop preheader. Add instructions which are already in the preheader block that
may be common expressions of those that are hoisted out. These does get a few more
instructions CSE'ed.

llvm-svn: 85799
2009-11-02 08:09:49 +00:00
..
2009-10-29 12:55:32 +00:00
2009-11-02 07:58:25 +00:00