diff options
| -rw-r--r-- | include/llvm/Function.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/llvm/Function.h b/include/llvm/Function.h index abf381916e..5c466e17b3 100644 --- a/include/llvm/Function.h +++ b/include/llvm/Function.h @@ -97,6 +97,13 @@ public: unsigned getIntrinsicID() const; bool isIntrinsic() const { return getIntrinsicID() != 0; } + /// deleteBody - This method deletes the body of the function, and converts + /// the linkage to external. + void deleteBody() { + dropAllReferences(); + setLinkage(ExternalLinkage); + } + // getNext/Prev - Return the next or previous function in the list. These // methods should never be used directly, and are only used to implement the // function list as part of the module. @@ -175,14 +182,18 @@ public: return V->getValueType() == Value::FunctionVal; } - /// dropAllReferences() - This function causes all the subinstructions to "let + /// dropAllReferences() - This method causes all the subinstructions to "let /// go" of all references that they are maintaining. This allows one to - /// 'delete' a whole class at a time, even though there may be circular + /// 'delete' a whole module at a time, even though there may be circular /// references... first all references are dropped, and all use counts go to /// zero. Then everything is delete'd for real. Note that no operations are /// valid on an object that has "dropped all references", except operator /// delete. /// + /// Since no other object in the module can have references into the body of a + /// function, dropping all references deletes the entire body of the function, + /// including any contained basic blocks. + /// void dropAllReferences(); }; |