[Interpreter] Local flow control in the bytecode graph builder.

src/interpreter/bytecodes.h

Index: src/interpreter/bytecodes.h
diff --git a/src/interpreter/bytecodes.h b/src/interpreter/bytecodes.h
index f55a4af731eda9770254f0b95d52ce3d1e5d17f5..10c67618077a291dffc5e4116e8466630c3179f9 100644
--- a/src/interpreter/bytecodes.h
+++ b/src/interpreter/bytecodes.h
@@ -340,14 +340,33 @@ class Bytecodes {
   // Returns the size of |operand|.
   static OperandSize SizeOfOperand(OperandType operand);
 
+  // Return true if the bytecode is a conditional jump taking
+  // an immediate byte operand (OperandType::kImm8).
+  static bool IsConditionalJumpImmediate(Bytecode bytecode);
+
+  // Return true if the bytecode is a conditional jump taking
+  // a constant pool entry (OperandType::kIdx).
+  static bool IsConditionalJumpConstant(Bytecode bytecode);
+
+  // Return true if the bytecode is a conditional jump taking
+  // any kind of operand.
+  static bool IsConditionalJump(Bytecode bytecode);
+
   // Return true if the bytecode is a jump or a conditional jump taking
   // an immediate byte operand (OperandType::kImm8).
-  static bool IsJump(Bytecode bytecode);
+  static bool IsJumpImmediate(Bytecode bytecode);
 
   // Return true if the bytecode is a jump or conditional jump taking a
   // constant pool entry (OperandType::kIdx).
   static bool IsJumpConstant(Bytecode bytecode);
 
+  // Return true if the bytecode is a jump or conditional jump taking
+  // any kind of operand.
+  static bool IsJump(Bytecode bytecode);
+
+  // Return true if the bytecode is a conditional jump, a jump, or a return.
+  static bool IsJumpOrReturn(Bytecode bytecode);
+
   // Decode a single bytecode and operands to |os|.
   static std::ostream& Decode(std::ostream& os, const uint8_t* bytecode_start,
                               int number_of_parameters);