From 798ac6c06b79c2ced35127d7fe6a8469c2b23897 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 21 Nov 2014 18:53:05 +0000
Subject: [PATCH] Add and use a helper elements() to StructType. NFC.

llvm-svn: 222553
---
 include/llvm/IR/DerivedTypes.h | 4 ++++
 lib/IR/LLVMContextImpl.h       | 5 ++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/llvm/IR/DerivedTypes.h b/include/llvm/IR/DerivedTypes.h
index 534d1e54160..175d45afdfc 100644
--- a/include/llvm/IR/DerivedTypes.h
+++ b/include/llvm/IR/DerivedTypes.h
@@ -275,6 +275,10 @@ public:
   element_iterator element_begin() const { return ContainedTys; }
   element_iterator element_end() const { return &ContainedTys[NumContainedTys];}
 
+  ArrayRef<Type *> const elements() const {
+    return ArrayRef<Type*>(&*element_begin(), getNumElements());
+  }
+
   /// isLayoutIdentical - Return true if this is layout identical to the
   /// specified struct.
   bool isLayoutIdentical(StructType *Other) const;  
diff --git a/lib/IR/LLVMContextImpl.h b/lib/IR/LLVMContextImpl.h
index e743ec3abc4..f018dc73750 100644
--- a/lib/IR/LLVMContextImpl.h
+++ b/lib/IR/LLVMContextImpl.h
@@ -104,9 +104,8 @@ struct AnonStructTypeKeyInfo {
     bool isPacked;
     KeyTy(const ArrayRef<Type*>& E, bool P) :
       ETypes(E), isPacked(P) {}
-    KeyTy(const StructType* ST) :
-      ETypes(ArrayRef<Type*>(ST->element_begin(), ST->element_end())),
-      isPacked(ST->isPacked()) {}
+    KeyTy(const StructType *ST)
+        : ETypes(ST->elements()), isPacked(ST->isPacked()) {}
     bool operator==(const KeyTy& that) const {
       if (isPacked != that.isPacked)
         return false;