1 files changed, 41 insertions, 0 deletions
diff --git a/llvm/lib/IR/Module.cpp b/llvm/lib/IR/Module.cpp
index fec9df19368..c3bfee5cb68 100644
--- a/llvm/lib/IR/Module.cpp
+++ b/llvm/lib/IR/Module.cpp
@@ -147,6 +147,47 @@ Constant *Module::getOrInsertFunction(StringRef Name,
   return getOrInsertFunction(Name, Ty, AttributeList());
 }
 
+// getOrInsertFunction - Look up the specified function in the module symbol
+// table.  If it does not exist, add a prototype for the function and return it.
+// This version of the method takes a null terminated list of function
+// arguments, which makes it easier for clients to use.
+//
+Constant *Module::getOrInsertFunction(StringRef Name,
+                                      AttributeList AttributeList, Type *RetTy,
+                                      ...) {
+  va_list Args;
+  va_start(Args, RetTy);
+
+  // Build the list of argument types...
+  std::vector<Type*> ArgTys;
+  while (Type *ArgTy = va_arg(Args, Type*))
+    ArgTys.push_back(ArgTy);
+
+  va_end(Args);
+
+  // Build the function type and chain to the other getOrInsertFunction...
+  return getOrInsertFunction(Name,
+                             FunctionType::get(RetTy, ArgTys, false),
+                             AttributeList);
+}
+
+Constant *Module::getOrInsertFunction(StringRef Name,
+                                      Type *RetTy, ...) {
+  va_list Args;
+  va_start(Args, RetTy);
+
+  // Build the list of argument types...
+  std::vector<Type*> ArgTys;
+  while (Type *ArgTy = va_arg(Args, Type*))
+    ArgTys.push_back(ArgTy);
+
+  va_end(Args);
+
+  // Build the function type and chain to the other getOrInsertFunction...
+  return getOrInsertFunction(Name, FunctionType::get(RetTy, ArgTys, false),
+                             AttributeList());
+}
+
 // getFunction - Look up the specified function in the module symbol table.
 // If it does not exist, return null.
 //