Bill Wendling c98af3370f Use the "isCompare" machine instruction attribute instead of calling the ...

relatively expensive comparison analyzer on each instruction. Also rename the
comparison analyzer method to something more in line with what it actually does.

This pass is will eventually be folded into the Machine CSE pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110539 91177308-0d34-0410-b5e6-96231b3b80d8

2010-08-08 05:04:59 +00:00

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