Sam Parker 0bf7b18461 [LoopRotate] Propagate dbg.value intrinsics
Recommitting patch which was previously reverted in r297159. These
changes should address the casting issues.

The original patch enables dbg.value intrinsics to be attached to
newly inserted PHI nodes.

Differential Review: https://reviews.llvm.org/D30701


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297269 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-08 09:56:22 +00:00
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