diff options
| -rw-r--r-- | include/llvm/Support/CallSite.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/Support/CallSite.h b/include/llvm/Support/CallSite.h index dfb3b5eae1..ce95cc5aaa 100644 --- a/include/llvm/Support/CallSite.h +++ b/include/llvm/Support/CallSite.h @@ -133,6 +133,15 @@ public: I->setOperand(getArgumentOffset() + ArgNo, newVal); } + /// Given an operand number, returns the argument that corresponds to it. + /// OperandNo must be a valid operand number that actually corresponds to an + /// argument. + unsigned getArgumentNo(unsigned OperandNo) const { + assert(OperandNo >= getArgumentOffset() && "Operand number passed was not " + "a valid argument"); + return OperandNo - getArgumentOffset(); + } + /// hasArgument - Returns true if this CallSite passes the given Value* as an /// argument to the called function. bool hasArgument(const Value *Arg) const; |