[GraphTraits] Make nodes_iterator dereference to NodeType*/NodeRef

Currently nodes_iterator may dereference to a NodeType* or a NodeType&. Make them all dereference to NodeType*, which is NodeRef later.

Differential Revision: https://reviews.llvm.org/D23704
Differential Revision: https://reviews.llvm.org/D23705

llvm-svn: 279326

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp b/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
index 22d47fe1443..4147e5e1bb6 100644
--- a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
+++ b/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
@@ -55,7 +55,7 @@ template <> struct GraphTraits<MachineBlockFrequencyInfo *> {
   typedef const MachineBasicBlock NodeType;
   typedef const MachineBasicBlock *NodeRef;
   typedef MachineBasicBlock::const_succ_iterator ChildIteratorType;
-  typedef MachineFunction::const_iterator nodes_iterator;
+  typedef pointer_iterator<MachineFunction::const_iterator> nodes_iterator;
 
   static inline const NodeType *
   getEntryNode(const MachineBlockFrequencyInfo *G) {
@@ -71,11 +71,11 @@ template <> struct GraphTraits<MachineBlockFrequencyInfo *> {
   }
 
   static nodes_iterator nodes_begin(const MachineBlockFrequencyInfo *G) {
-    return G->getFunction()->begin();
+    return nodes_iterator(G->getFunction()->begin());
   }
 
   static nodes_iterator nodes_end(const MachineBlockFrequencyInfo *G) {
-    return G->getFunction()->end();
+    return nodes_iterator(G->getFunction()->end());
   }
 };