diff options
Diffstat (limited to 'include/llvm/Constant.h')
| -rw-r--r-- | include/llvm/Constant.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/llvm/Constant.h b/include/llvm/Constant.h index 864729929982..38045fc0c1d6 100644 --- a/include/llvm/Constant.h +++ b/include/llvm/Constant.h @@ -20,7 +20,6 @@ namespace llvm { class APInt; template<typename T> class SmallVectorImpl; - class LLVMContext; /// This is an important base class in LLVM. It provides the common facilities /// of all constant values in an LLVM program. A constant is a value that is @@ -142,16 +141,22 @@ public: assert(0 && "Constants that do not have operands cannot be using 'From'!"); } - static Constant* getNullValue(const Type* Ty); + static Constant *getNullValue(const Type* Ty); /// @returns the value for an integer constant of the given type that has all /// its bits set to true. /// @brief Get the all ones value - static Constant* getAllOnesValue(const Type* Ty); + static Constant *getAllOnesValue(const Type* Ty); /// getIntegerValue - Return the value for an integer or pointer constant, /// or a vector thereof, with the given scalar value. - static Constant* getIntegerValue(const Type* Ty, const APInt &V); + static Constant *getIntegerValue(const Type* Ty, const APInt &V); + + /// removeDeadConstantUsers - If there are any dead constant users dangling + /// off of this constant, remove them. This method is useful for clients + /// that want to check to see if a global is unused, but don't want to deal + /// with potentially dead constants hanging off of the globals. + void removeDeadConstantUsers() const; }; } // End llvm namespace |