Method renameLocalVariables

src/main/java/org/dynjs/ir/Scope.java:213–244

(List<BasicBlock> linearizedCFG)

    }

    private void renameLocalVariables(List<BasicBlock> linearizedCFG) {
        Map<Operand, Operand> renameMap = new HashMap<Operand, Operand>();

        //System.out.println("BEFORE:");
        for (BasicBlock b: linearizedCFG) {
            for (Instruction i: b.getInstructions()) {
                //System.out.println("I: " + i);
                if (i instanceof ResultInstruction) {
                    Variable v = ((ResultInstruction) i).getResult();

                    if (v instanceof LocalVariable) {
                        setupLocalVarReplacement((LocalVariable) v, renameMap);
                    }
                }

                for (Variable v : i.getUsedVariables()) {
                    if (v instanceof LocalVariable) {
                        setupLocalVarReplacement((LocalVariable) v, renameMap);
                    }
                }
            }
        }

        //System.out.println("AFTER:");
        // Rename all local var uses with their tmp-var stand-ins
        for (BasicBlock b: linearizedCFG) {
            for (Instruction i: b.getInstructions()) {
                i.renameVariables(renameMap);
                //System.out.println("I: " + i);
            }
        }
    }

    private static Label[] catLabels(Label[] labels, Label cat) {
        if (labels == null) return new Label[] {cat};