[turbofan] Optimize certain chains of Branch into a Switch.

src/compiler/schedule.h

Index: src/compiler/schedule.h
diff --git a/src/compiler/schedule.h b/src/compiler/schedule.h
index aa479851f943107c873ddf6187ddf5af2752b007..7afdbe066ccc048d2be683f4fad3102691ec42ae 100644
--- a/src/compiler/schedule.h
+++ b/src/compiler/schedule.h
@@ -101,11 +101,16 @@ class BasicBlock FINAL : public ZoneObject {
 
   // Nodes in the basic block.
   typedef Node* value_type;
+  typedef value_type& reference;

[Michael Starzinger, 2015/02/17 12:23:35]

Do we really need these two typedefs?

[Benedikt Meurer, 2015/02/17 12:30:38]

No, removed them.

+  typedef value_type const& const_reference;
   bool empty() const { return nodes_.empty(); }
   size_t size() const { return nodes_.size(); }
   Node* NodeAt(size_t index) { return nodes_[index]; }
   size_t NodeCount() const { return nodes_.size(); }
 
+  reference front() { return nodes_.front(); }
+  const_reference front() const { return nodes_.front(); }
+
   typedef NodeVector::iterator iterator;
   iterator begin() { return nodes_.begin(); }
   iterator end() { return nodes_.end(); }