[llvm-branch-commits] [llvm] 200b15a - [Analysis] Remove spliceFunction (NFC)

[Kazu Hirata via llvm-branch-commits]

Author: Kazu Hirata
Date: 2020-12-23T21:57:25-08:00
New Revision: 200b15af45a6de494ecd0b76c1b1eb661edbdb60

URL: https://github.com/llvm/llvm-project/commit/200b15af45a6de494ecd0b76c1b1eb661edbdb60
DIFF: https://github.com/llvm/llvm-project/commit/200b15af45a6de494ecd0b76c1b1eb661edbdb60.diff

LOG: [Analysis] Remove spliceFunction (NFC)

The function was introduced without a user on Jan 3, 2011 in commit
0f87ca77333ef59171749544e8dbdba9009f0dc7.  We still don't have a user
yet.

Added: 
    

Modified: 
    llvm/include/llvm/Analysis/CallGraph.h
    llvm/lib/Analysis/CallGraph.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/Analysis/CallGraph.h b/llvm/include/llvm/Analysis/CallGraph.h
index 98f9b0683fd4..4da448c9900b 100644
--- a/llvm/include/llvm/Analysis/CallGraph.h
+++ b/llvm/include/llvm/Analysis/CallGraph.h
@@ -87,13 +87,6 @@ class CallGraph {
   /// or calling an external function.
   std::unique_ptr<CallGraphNode> CallsExternalNode;
 
-  /// 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);
-
 public:
   explicit CallGraph(Module &M);
   CallGraph(CallGraph &&Arg);

diff  --git a/llvm/lib/Analysis/CallGraph.cpp b/llvm/lib/Analysis/CallGraph.cpp
index 19c128b6633c..9b212e564a46 100644
--- a/llvm/lib/Analysis/CallGraph.cpp
+++ b/llvm/lib/Analysis/CallGraph.cpp
@@ -167,20 +167,6 @@ Function *CallGraph::removeFunctionFromModule(CallGraphNode *CGN) {
   return 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 the old function to the new while also updating all
-/// callers from old to new.
-void CallGraph::spliceFunction(const Function *From, const Function *To) {
-  assert(FunctionMap.count(From) && "No CallGraphNode for function!");
-  assert(!FunctionMap.count(To) &&
-         "Pointing CallGraphNode at a function that already exists");
-  FunctionMapTy::iterator I = FunctionMap.find(From);
-  I->second->F = const_cast<Function*>(To);
-  FunctionMap[To] = std::move(I->second);
-  FunctionMap.erase(I);
-}
-
 // getOrInsertFunction - This method is identical to calling operator[], but
 // it will insert a new CallGraphNode for the specified function if one does
 // not already exist.