[SystemZ] Fix large tests broken by conditional returns.

These were broken by D17339.

Differential Revision: http://reviews.llvm.org/D19158

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266454 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed