[LLVMdev] Changing the operands in the CallInst

[Yakov Malinkovich]

I implement the following function,which gets CallInst * and should perform
the following:

   1. Change the value of the argument if  condition1 takes place
   2. Change the type of the argument if condition2 takes place
   3. Add addition argument/s if condition3 takes place


void argChange(CallInst * I)
 {

for (unsigned index = 0; index < I->getNumOperands(); ++index) {
do_something_with (I->getOperand(index),condition);

            }
}
I think that the 1. can be implemented using I->setOperand(index,newValue)
Can anyone advice me how 2. & 3. could be implemented.
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