[Interpreter] Merges ToBoolean and JumpIfTrue/False bytecodes

src/interpreter/bytecode-array-builder.h

Index: src/interpreter/bytecode-array-builder.h
diff --git a/src/interpreter/bytecode-array-builder.h b/src/interpreter/bytecode-array-builder.h
index 6d849477a16d7140869c6fe3343838fdb5ae762e..4da14ae1361773687fbede39169355b6a4710d75 100644
--- a/src/interpreter/bytecode-array-builder.h
+++ b/src/interpreter/bytecode-array-builder.h
@@ -183,11 +183,6 @@ class BytecodeArrayBuilder {
   BytecodeArrayBuilder& JumpIfFalse(BytecodeLabel* label);
   BytecodeArrayBuilder& JumpIfNull(BytecodeLabel* label);
   BytecodeArrayBuilder& JumpIfUndefined(BytecodeLabel* label);
-  // TODO(mythria) The following two functions should be merged into
-  // JumpIfTrue/False. These bytecodes should be automatically chosen rather
-  // than explicitly using them.
-  BytecodeArrayBuilder& JumpIfToBooleanTrue(BytecodeLabel* label);
-  BytecodeArrayBuilder& JumpIfToBooleanFalse(BytecodeLabel* label);
 
   BytecodeArrayBuilder& Throw();
   BytecodeArrayBuilder& Return();
@@ -228,6 +223,7 @@ class BytecodeArrayBuilder {
   static bool FitsInIdx16Operand(size_t value);
 
   static Bytecode GetJumpWithConstantOperand(Bytecode jump_with_smi8_operand);
+  static Bytecode GetJumpWithToBoolean(Bytecode jump);
 
   template <size_t N>
   INLINE(void Output(Bytecode bytecode, uint32_t(&oprands)[N]));
@@ -248,6 +244,8 @@ class BytecodeArrayBuilder {
                       uint32_t operand_value) const;
   bool LastBytecodeInSameBlock() const;
 
+  bool NeedToBooleanCast();
+
   int BorrowTemporaryRegister();
   void ReturnTemporaryRegister(int reg_index);
   int PrepareForConsecutiveTemporaryRegisters(size_t count);