Cameron Zwarich e389ab16f3 Change LoopInstSimplify back to a LoopPass. It revisits subloops rather than
skipping them, but it should probably use a worklist and only revisit those
instructions in subloops that have actually changed. It should probably also
use a worklist after the first iteration like instsimplify now does. Regardless,
it's only 0.3% of opt -O2 time on 403.gcc if it replaces the instcombine placed
in the middle of the loop passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122868 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-05 05:15:53 +00:00
..
2011-01-01 19:05:35 +00:00
2010-12-17 09:56:50 +00:00