diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index af173c8..d3ae7c3 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -1087,8 +1087,15 @@
       : HBinaryOperation(Primitive::kPrimBoolean, first, second) {}
 
   virtual bool IsCommutative() { return true; }
+
+  // For register allocation purposes, returns whether this instruction needs to be
+  // materialized (that is, not just be in the processor flags).
   bool NeedsMaterialization() const;
 
+  // For code generation purposes, returns whether this instruction is just before
+  // `if_`, and disregard moves in between.
+  bool IsBeforeWhenDisregardMoves(HIf* if_) const;
+
   DECLARE_INSTRUCTION(Condition);
 
   virtual IfCondition GetCondition() const = 0;