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| -rw-r--r-- | include/llvm/GlobalValue.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/GlobalValue.h b/include/llvm/GlobalValue.h index 942d9b9a40..03fef35e61 100644 --- a/include/llvm/GlobalValue.h +++ b/include/llvm/GlobalValue.h @@ -66,6 +66,16 @@ public: inline Module *getParent() { return Parent; } inline const Module *getParent() const { return Parent; } + /// removeDeadConstantUsers - If there are any dead constant users dangling + /// off of this global value, 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. + /// + /// This function returns true if the global value is now dead. If all + /// users of this global are not dead, this method may return false and + /// leave some of them around. + bool removeDeadConstantUsers(); + // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const GlobalValue *T) { return true; } static inline bool classof(const Value *V) { |