improve the APIs for creating struct and function types with no arguments/elements
to not have to create a temporary vector (in the API at least).  Patch by Jay Foad!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74584 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index cbf3a1d..7fe097c 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -1928,8 +1928,7 @@
     if (Ctors[i]) {
       CSVals[1] = Ctors[i];
     } else {
-      const Type *FTy = FunctionType::get(Type::VoidTy,
-                                          std::vector<const Type*>(), false);
+      const Type *FTy = FunctionType::get(Type::VoidTy, false);
       const PointerType *PFTy = PointerType::getUnqual(FTy);
       CSVals[1] = Constant::getNullValue(PFTy);
       CSVals[0] = ConstantInt::get(Type::Int32Ty, 2147483647);