From 41ee4e57ea0f2afb89fd136065edb03f32f972d3 Mon Sep 17 00:00:00 2001
From: Talin <viridia@gmail.com>
Date: Mon, 28 Feb 2011 23:53:27 +0000
Subject: [PATCH] Add an END_WITH_NULL accessor for ConstantStruct.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126714 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Constants.h |  2 ++
 lib/VMCore/Constants.cpp | 15 +++++++++++++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h
index c4768f84234..4ca22984b60 100644
--- a/include/llvm/Constants.h
+++ b/include/llvm/Constants.h
@@ -425,6 +425,8 @@ public:
                        const std::vector<Constant*> &V, bool Packed);
   static Constant *get(LLVMContext &Context,
                        Constant *const *Vals, unsigned NumVals, bool Packed);
+  static Constant *get(LLVMContext &Context, bool Packed,
+                       Constant * Val, ...) END_WITH_NULL;
 
   /// Transparently provide more efficient getOperand methods.
   DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Constant);
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index 246fde1569a..5468a4f1b4a 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -33,6 +33,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include <algorithm>
 #include <map>
+#include <cstdarg>
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
@@ -596,8 +597,6 @@ Constant *ConstantArray::get(LLVMContext &Context, StringRef Str,
   return get(ATy, ElementVals);
 }
 
-
-
 ConstantStruct::ConstantStruct(const StructType *T,
                                const std::vector<Constant*> &V)
   : Constant(T, ConstantStructVal,
@@ -644,6 +643,18 @@ Constant *ConstantStruct::get(LLVMContext &Context,
   return get(Context, std::vector<Constant*>(Vals, Vals+NumVals), Packed);
 }
 
+Constant* ConstantStruct::get(LLVMContext &Context, bool Packed,
+                              Constant * Val, ...) {
+  va_list ap;
+  std::vector<Constant*> Values;
+  va_start(ap, Val);
+  while (Val) {
+    Values.push_back(Val);
+    Val = va_arg(ap, llvm::Constant*);
+  }
+  return get(Context, Values, Packed);
+}
+
 ConstantVector::ConstantVector(const VectorType *T,
                                const std::vector<Constant*> &V)
   : Constant(T, ConstantVectorVal,
-- 
2.34.1