Is that really an "entirely different compilation paradigm?" Most (all?) GCC frontends compile to a common IR. The main difference really is that GCC doesn't

Is that really an "entirely different compilation paradigm?" Most (all?) GCC frontends compile to a common IR. The main difference really is that GCC doesn't market that as an interface for interacting with the compiler. In LLVM, the IR is the product, in GCC its the individual language compilers.