public void run(IRScope s) {
if (s instanceof IRExecutionScope) {
// System.out.println("Linearizing cfg for " + s);
CFG cfg = ((IRExecutionScope)s).getCFG();
List<BasicBlock> bbs = cfg.linearize();
/*
StringBuffer buf = new StringBuffer();
for (BasicBlock b : bbs) {
buf.append(b.toStringInstrs());
}