public DebugVMInstruction getStartInstruction() {
BasicBlock bb = this.get(0);
while (bb.size() == 0) {
bb = bb.getSingleSuccessor();
}
return bb.get(0);
}
public List<DebugVMInstruction> serchInst(Expression e) {
List<DebugVMInstruction> ilist = new ArrayList<DebugVMInstruction>();
for (int i = 0; i < this.size(); i++) {
BasicBlock bb = this.get(i);
for (int j = 0; j < bb.size(); j++) {
DebugVMInstruction inst = bb.get(j);
if (inst.expr.equals(e)) {
ilist.add(inst);
}
}
}
return ilist;
}