Version 3.0.9...

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
===================================================================
--- src/hydrogen-instructions.h	(revision 6384)
+++ src/hydrogen-instructions.h	(working copy)
@@ -773,6 +773,10 @@
   virtual void Verify() const;
 #endif
 
+  // Returns whether this is some kind of deoptimizing check
+  // instruction.
+  virtual bool IsCheckInstruction() const { return false; }
+
   DECLARE_INSTRUCTION(Instruction)
 
  protected:
@@ -1504,6 +1508,8 @@
     SetFlag(kDependsOnMaps);
   }
 
+  virtual bool IsCheckInstruction() const { return true; }
+
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::Tagged();
   }
@@ -1537,6 +1543,8 @@
     SetFlag(kUseGVN);
   }
 
+  virtual bool IsCheckInstruction() const { return true; }
+
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::Tagged();
   }
@@ -1573,6 +1581,8 @@
     SetFlag(kUseGVN);
   }
 
+  virtual bool IsCheckInstruction() const { return true; }
+
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::Tagged();
   }
@@ -1610,6 +1620,8 @@
     SetFlag(kUseGVN);
   }
 
+  virtual bool IsCheckInstruction() const { return true; }
+
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::Tagged();
   }
@@ -1632,6 +1644,8 @@
     SetFlag(kDependsOnMaps);
   }
 
+  virtual bool IsCheckInstruction() const { return true; }
+
 #ifdef DEBUG
   virtual void Verify() const;
 #endif
@@ -1668,6 +1682,8 @@
     SetFlag(kUseGVN);
   }
 
+  virtual bool IsCheckInstruction() const { return true; }
+
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::Tagged();
   }
@@ -1996,6 +2012,8 @@
     SetFlag(kUseGVN);
   }
 
+  virtual bool IsCheckInstruction() const { return true; }
+
   virtual Representation RequiredInputRepresentation(int index) const {
     return Representation::Integer32();
   }