Return true if passing undef to argument ArgNo is undefined behavior.
Declared in <llvm/IR/InstrTypes.h>
bool
isPassingUndefUB(unsigned int ArgNo) const;Determine whether passing undef to this argument is undefined behavior. If passing undef to this argument is UB, passing poison is UB as well because poison is more undefined than undef.
True if undef or poison at this argument is UB.
| Name | Description |
|---|---|
| ArgNo | Zero-based argument index. |