Revert test changes part of "Revert "[InstCombine] Fold 'check for [no] signed truncation' pattern""

We want the test to remain good anyway.
I think the fix is incoming.

This reverts part of commit rL337344.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337359 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed