If you’ve read anything about compilers in the last two decades or so, you have almost certainly heard of SSA compilers, a popular architecture featured in many optimizing compilers, including ahead-of-time compilers such as LLVM, GCC, Go, CUDA (and various shader compilers), Swift1, and MSVC2, and just-in-time compilers such as HotSpot C23, V84, SpiderMonkey5, LuaJIT, and the Android Runtime6.