Enhancements to pass argc & argv to main if required


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@909 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
index 7be3336..bcd584a 100644
--- a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
+++ b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
@@ -110,9 +110,10 @@
 GenericValue lle_X_printVal(MethodType *M, const vector<GenericValue> &ArgVal) {
   assert(ArgVal.size() == 1 && "generic print only takes one argument!");
 
-  // Specialize print([ubyte {x N} ] *)
+  // Specialize print([ubyte {x N} ] *) and print(sbyte *)
   if (PointerType *PTy = dyn_cast<PointerType>(M->getParamTypes()[0].get()))
-    if (const ArrayType *ATy = dyn_cast<ArrayType>(PTy->getValueType())) {
+    if (PTy->getValueType() == Type::SByteTy ||
+        isa<ArrayType>(PTy->getValueType())) {
       return lle_VP_printstr(M, ArgVal);
     }
 
@@ -132,4 +133,9 @@
   return GenericValue();
 }
 
+// void "__main"()
+GenericValue lle_V___main(MethodType *M, const vector<GenericValue> &Args) {
+  return GenericValue();
+}
+
 } // End extern "C"