[Interpreter] Move ToBoolean elision in BytecodeGenerator.

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 98703473d7937ad8c9aea8e53b47d821a616fb84..d9f1c4a5ab58849c341f51e848621a2ff67393cd 100644
--- a/src/interpreter/bytecode-array-builder.h
+++ b/src/interpreter/bytecode-array-builder.h
@@ -297,8 +297,13 @@ class V8_EXPORT_PRIVATE BytecodeArrayBuilder final
   // Type feedback will be recorded in the |feedback_slot|
   BytecodeArrayBuilder& CountOperation(Token::Value op, int feedback_slot);
 
+  enum class ToBooleanMode {
+    kConvertToBoolean,  // Perform ToBoolean conversion on accumulator.
+    kAlreadyBoolean,    // Accumulator is already a Boolean.
+  };
+
   // Unary Operators.
-  BytecodeArrayBuilder& LogicalNot();
+  BytecodeArrayBuilder& LogicalNot(ToBooleanMode mode);
   BytecodeArrayBuilder& TypeOf();
 
   // Expects a heap object in the accumulator. Returns its super constructor in
@@ -331,8 +336,10 @@ class V8_EXPORT_PRIVATE BytecodeArrayBuilder final
   BytecodeArrayBuilder& Bind(const BytecodeLabel& target, BytecodeLabel* label);
 
   BytecodeArrayBuilder& Jump(BytecodeLabel* label);
-  BytecodeArrayBuilder& JumpIfTrue(BytecodeLabel* label);
-  BytecodeArrayBuilder& JumpIfFalse(BytecodeLabel* label);
+  BytecodeArrayBuilder& JumpLoop(BytecodeLabel* label, int loop_depth);
+
+  BytecodeArrayBuilder& JumpIfTrue(ToBooleanMode mode, BytecodeLabel* label);
+  BytecodeArrayBuilder& JumpIfFalse(ToBooleanMode mode, BytecodeLabel* label);
   BytecodeArrayBuilder& JumpIfNotHole(BytecodeLabel* label);
   BytecodeArrayBuilder& JumpIfJSReceiver(BytecodeLabel* label);
   BytecodeArrayBuilder& JumpIfNull(BytecodeLabel* label);
@@ -343,7 +350,6 @@ class V8_EXPORT_PRIVATE BytecodeArrayBuilder final
                                   NilValue nil);
   BytecodeArrayBuilder& JumpIfNotNil(BytecodeLabel* label, Token::Value op,
                                      NilValue nil);
-  BytecodeArrayBuilder& JumpLoop(BytecodeLabel* label, int loop_depth);
 
   BytecodeArrayBuilder& StackCheck(int position);
 
@@ -505,6 +511,9 @@ class V8_EXPORT_PRIVATE BytecodeArrayBuilder final
   DISALLOW_COPY_AND_ASSIGN(BytecodeArrayBuilder);
 };
 
+V8_EXPORT_PRIVATE std::ostream& operator<<(
+    std::ostream& os, const BytecodeArrayBuilder::ToBooleanMode& mode);
+
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8