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* Fix PR 8916 (qv for analysis), at least the immediate problem.Dale Johannesen2011-01-10
There's an inherent tension in DAGCombine between assuming that things will be put in canonical form, and the Depth mechanism that disables transformations when recursion gets too deep. It would not surprise me if there's a lot of little bugs like this one waiting to be discovered. The mechanism seems fragile and I'd suggest looking at it from a design viewpoint. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123191 91177308-0d34-0410-b5e6-96231b3b80d8