[Debugify] Don't insert debug values after terminating deopts

As is the case with musttail calls, the IR does not allow for
instructions inserted after a terminating deopt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@333976 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed