Matthias Braun 94daeceeac LiveIntervalAnalysis: Fix performance bug that I introduced in r224663. ...

Without a reference the code did not remember when moving the iterators
of the subranges/registerunit ranges forward and instead would scan from
the beginning again at the next position.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224803 91177308-0d34-0410-b5e6-96231b3b80d8

2014-12-24 02:11:43 +00:00

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