[llvm] r280364 - [SimplifyCFG] Handle tail-sinking of more than 2 incoming branches

[Joerg Sonnenberger via llvm-commits]

On Sat, Feb 18, 2017 at 12:21:23PM +0000, James Molloy wrote:
> Did you raise a bugzilla ticket for this? if not, could you? And to be
> clear, this is a functional regression rather than a performance
> regression?

r280364. It is a functional regression because Xen depends on DCE to
remove the "link_assert" reference.

Joerg