[llvm] r230058 - LoopRotate: When reconstructing loop simplify form don't split edges from indirectbrs.

[Joerg Sonnenberger]

On Fri, Feb 20, 2015 at 08:49:25PM -0000, Benjamin Kramer wrote:
> Author: d0k
> Date: Fri Feb 20 14:49:25 2015
> New Revision: 230058
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=230058&view=rev
> Log:
> LoopRotate: When reconstructing loop simplify form don't split edges from indirectbrs.
> 
> Yet another chapter in the endless story. While this looks like we leave
> the loop in a non-canonical state this replicates the logic in
> LoopSimplify so it doesn't diverge from the canonical form in any way.

Tom, can we merge this into 3.6?

Joerg