libllvm12 1:12~++20201105093023+cc2a2bb5ce5-1~exp1build1 (s390x binary) in ubuntu hirsute

 LLVM is a collection of libraries and tools that make it easy to build
 compilers, optimizers, just-in-time code generators, and many other
 compiler-related programs.
 .
 This package contains the LLVM runtime library.