Compiling to target mos6502

I’m wanting to compile a program to 6502 machine code using LLVM/Clang. I downloaded and installed this Target:

The installation was a success, unfortunately I can’t seem to use the target. I used llc --version and it says “mos6502” is available as a CPU, but I don’t know how to reference this in clang.

I see there is the -triple switch for clang, but I don’t seem to have the information to use it. The only thing I know about the Target is that the CPU is “mos6502”. Is this not enough to do any sort of compilation, even one that doesn’t use any libraries?