For PR1070:

For PR1070:
Tweak the RUN: lines of these tests to accommodate the renaming of
variables done by llvm-upgrade. The renaming occurs as a result of avoiding
name collisons for collapsed type planes. Conflicting names have a .u
(unsigned) or .s (signed) suffix added. This patch updates the grep
expression to accommodate the new names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32815 91177308-0d34-0410-b5e6-96231b3b80d8