diff options
Diffstat (limited to 'include/llvm/User.h')
| -rw-r--r-- | include/llvm/User.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/llvm/User.h b/include/llvm/User.h index f2df23e341..1a88ce0cce 100644 --- a/include/llvm/User.h +++ b/include/llvm/User.h @@ -83,11 +83,16 @@ public: assert(0 && "Constructor throws?"); } protected: - template <unsigned Idx> Use &Op() { - return OperandTraits<User>::op_begin(this)[Idx]; + template <int Idx, typename U> static Use &OpFrom(const U *that) { + return Idx < 0 + ? OperandTraits<U>::op_end(const_cast<U*>(that))[Idx] + : OperandTraits<U>::op_begin(const_cast<U*>(that))[Idx]; } - template <unsigned Idx> const Use &Op() const { - return OperandTraits<User>::op_begin(const_cast<User*>(this))[Idx]; + template <int Idx> Use &Op() { + return OpFrom<Idx>(this); + } + template <int Idx> const Use &Op() const { + return OpFrom<Idx>(this); } public: Value *getOperand(unsigned i) const { |