[SystemZ] LTGFR use regclass should be GR32, not GR64.

Discovered by testing int-cmp-44.ll with -verify-machineinstrs (added to
test run).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251299 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed