tree 5662f10b5cc3d2dcc95804e6d9ad4959b4c195fd
parent d417281ed9b6968c3702463634504f1ae91b38ab
author Arnold Schwaighofer <aschwaighofer@apple.com> 1506395098 -0700
committer Arnold Schwaighofer <aschwaighofer@apple.com> 1506440038 -0700

Fix dominator tree update in array specialization

We need to walk the dominator tree starting at the header and update the
dominator of all nodes outside the loop we hit i.e the dominator tree nodes that
are immediately dominated 'by the loop' instead of only updating dominated exit
blocks.

rdar://34523864