Package: lldb-3.4

"lldb-3.4" package binaries on Debian:

/usr/bin/lldb-3.4 /usr/bin/lldb-platform-3.4 /usr/lib/llvm-3.4/bin/lldb /usr/lib/llvm-3.4/bin/lldb-platform

You may install this package on Debian with apt-get install lldb-3.4