https://bugs.llvm.org/show_bug.cgi?id=38152

            Bug ID: 38152
           Summary: add IR intrinsics and backend support for rotate ops
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Core LLVM classes
          Assignee: unassignedb...@nondot.org
          Reporter: spatel+l...@rotateright.com
                CC: llvm-bugs@lists.llvm.org

Filing this as an umbrella bug to track existing problems with rotate
optimization.

The llvm-dev discussion about rotate intrinsics is here:
http://lists.llvm.org/pipermail/llvm-dev/2018-May/123292.html
http://lists.llvm.org/pipermail/llvm-dev/2018-July/124400.html

And an initial patch proposal is here:
https://reviews.llvm.org/D49242

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