[Mem2Reg] Don't call LBI.deleteValue on AllocInst/DbgVariableIntrinsic

Only StoreInst/LoadInst are assigned numbers. Other types of instructions are not in LBI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358350 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed