From 0ae8e87e53d6f500f8d01785b67c68e2046fb8e8 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 31 Aug 2003 00:19:28 +0000
Subject: Implement new method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8238 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/Module.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'lib/VMCore/Module.cpp')

diff --git a/lib/VMCore/Module.cpp b/lib/VMCore/Module.cpp
index 8b61606..b7fe569 100644
--- a/lib/VMCore/Module.cpp
+++ b/lib/VMCore/Module.cpp
@@ -12,6 +12,7 @@
 #include "Support/LeakDetector.h"
 #include "SymbolTableListTraitsImpl.h"
 #include <algorithm>
+#include <cstdarg>
 #include <map>
 
 Function *ilist_traits<Function>::createNode() {
@@ -95,6 +96,29 @@ Function *Module::getOrInsertFunction(const std::string &Name,
   }
 }
 
+// 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.
+//
+Function *Module::getOrInsertFunction(const std::string &Name,
+                                      const Type *RetTy, ...) {
+  va_list Args;
+  va_start(Args, RetTy);
+
+  // Build the list of argument types...
+  std::vector<const Type*> ArgTys;
+  while (const Type *ArgTy = va_arg(Args, const 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));
+}
+
+
+
 // getFunction - Look up the specified function in the module symbol table.
 // If it does not exist, return null.
 //
-- 
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