/// getCalledValue - Return the pointer to function that is being called...
///
- Value *getCalledValue() const { return I->getOperand(0); }
+ Value *getCalledValue() const {
+ assert(I && "Not a call or invoke instruction!");
+ return I->getOperand(0);
+ }
/// getCalledFunction - Return the function being called if this is a direct
/// call, otherwise return null (if it's an indirect call).
/// setCalledFunction - Set the callee to the specified value...
///
void setCalledFunction(Value *V) {
+ assert(I && "Not a call or invoke instruction!");
I->setOperand(0, V);
}
/// list for a call site.
///
arg_iterator arg_begin() const {
+ assert(I && "Not a call or invoke instruction!");
if (I->getOpcode() == Instruction::Call)
return I->op_begin()+1; // Skip Function
else