ssaD := filepath.Dir(ssaDF)
			os.MkdirAll(ssaD, 0755)
		}
		s.f.HTMLWriter = ssa.NewHTMLWriter(ssaDF, s.f, ssaDumpCFG)
		// TODO: generate and print a mapping from nodes to values and blocks
		dumpSourcesColumn(s.f.HTMLWriter, fn)
		s.f.HTMLWriter.WriteAST("AST", astBuf)
	}

	// Allocate starting values
	s.labels = map[string]*ssaLabel{}
	s.fwdVars = map[ir.Node]*ssa.Value{}