2019 LLVM Developers’ Meeting: E. Christopher & J. Doerfert “Introduction to LLVM”

From a channel Lumen includes in full: The LLVM project's channel archives its Developers' Meetings: compiler engineers presenting their own work on LLVM, Clang, MLIR, JITs and GPU offload — the primary source for modern compiler infrastructure.

A 61-minute video from LLVM's catalogue; the title names its topic.

Video by LLVM, played through YouTube's embedded player.