/////////////////////////
//dupFuncArgu() //
/////////////////////////
void InsDuplica::dupFuncArgu(Function &F) {
BasicBlock *firstBB = F.begin();
Instruction *firstI = firstBB->begin();
for (Function::arg_iterator AI = F.arg_begin(), E = F.arg_end();
AI != E; ++AI) {
arguSet.insert(AI);
//if argument is used only once or all on the same block,
//do not dup it.
if (AI->hasOneUse()) {
valueMap[AI] = AI;
} else {
//make copy of cast
Type *arguType = AI->getType();
//FIXME unknow signed or not
CastInst* newCast = CastInst::CreateIntegerCast(AI, arguType, 1, AI->getName()+"_dup", firstI);
//CastInst *newCast = new CastInst(AI, arguType, AI->getName()+"_dup", firstI);
valueMap[AI] = newCast;
}
}
}
