Implement new method
llvm-svn: 8238
diff --git a/llvm/lib/VMCore/Module.cpp b/llvm/lib/VMCore/Module.cpp
index 8b61606..b7fe569 100644
--- a/llvm/lib/VMCore/Module.cpp
+++ b/llvm/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 @@
}
}
+// 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.
//