[LiveDebugValues] recognize spilled reg killed in instruction after spill

Current condition for spill instruction recognition in LiveDebugValues does
not recognize case when register is spilled and killed in next instruction.

Patch by Nikola Prica.

Differential Revision: https://reviews.llvm.org/D41226


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@322554 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed