private Instruction[] prepareIPCs(List<BasicBlock> list, CFG cfg) {
// Set up IPCs
List<Instruction> newInstrs = new ArrayList<Instruction>();
HashMap<Label, Integer> labelIPCMap = new HashMap<Label, Integer>();
int ipc = 0;
for (BasicBlock basicBlock : list) {
Label label = basicBlock.getLabel();
labelIPCMap.put(label, ipc);
// This assumes if multiple equal/same labels exist which are scattered around the scope
// must be the same Java instance or only this one will get a targetPC set.
label.setTargetIPC(ipc);
List<Instruction> bbInstrs = basicBlock.getInstructions();
int bbInstrsLength = bbInstrs.size();
for (int i = 0; i < bbInstrsLength; i++) {
Instruction instr = bbInstrs.get(i);
newInstrs.add(instr);
instr.setIPC(ipc);
ipc++;
}
}
cfg.getExitBB().getLabel().setTargetIPC(ipc + 1); // Exit BasicBlock IPC
setupRescueMap(list, cfg); // Set up the rescue map
return newInstrs.toArray(new Instruction[newInstrs.size()]);
}
