Add and use a helper elements() to StructType. NFC.

llvm-svn: 222553

2 files changed, 6 insertions, 3 deletions

diff --git a/llvm/include/llvm/IR/DerivedTypes.h b/llvm/include/llvm/IR/DerivedTypes.h
index 534d1e54160..175d45afdfc 100644
--- a/llvm/include/llvm/IR/DerivedTypes.h
+++ b/llvm/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/llvm/lib/IR/LLVMContextImpl.h b/llvm/lib/IR/LLVMContextImpl.h
index e743ec3abc4..f018dc73750 100644
--- a/llvm/lib/IR/LLVMContextImpl.h
+++ b/llvm/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;