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-rw-r--r--include/llvm/Analysis/CallGraph.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/llvm/Analysis/CallGraph.h b/include/llvm/Analysis/CallGraph.h
index 9dfe89416a..089f322e4a 100644
--- a/include/llvm/Analysis/CallGraph.h
+++ b/include/llvm/Analysis/CallGraph.h
@@ -138,6 +138,13 @@ public:
/// not already exist.
CallGraphNode *getOrInsertFunction(const Function *F);
+ /// spliceFunction - Replace the function represented by this node by another.
+ /// This does not rescan the body of the function, so it is suitable when
+ /// splicing the body of one function to another while also updating all
+ /// callers from the old function to the new.
+ ///
+ void spliceFunction(const Function *From, const Function *To);
+
//===---------------------------------------------------------------------
// Pass infrastructure interface glue code.
//
@@ -163,8 +170,10 @@ protected:
// CallGraphNode class definition.
//
class CallGraphNode {
- AssertingVH<Function> F;
+ friend class CallGraph;
+ AssertingVH<Function> F;
+
// CallRecord - This is a pair of the calling instruction (a call or invoke)
// and the callgraph node being called.
public: