public void printGraph() {
for (Cluster cluster : this.clusters) {
// System.out.println("reg: " + cluster.getSSA().getReg());
for (SSA ssa : cluster.getSSAList()) {
System.out.println("born at " + ssa.getVersion());
}
// for( Cluster adjaCluster : cluster.getNeighborClusters()) {
// System.out.println("interfere with" + adjaCluster.getSSA().getVersion());
// }
}
}
