[Interpreter] Move ToBoolean elision in BytecodeGenerator.

src/interpreter/control-flow-builders.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_
 #define V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_
 
 #include "src/interpreter/bytecode-array-builder.h"
 
 #include "src/interpreter/bytecode-label.h"
@@ skipping 26 matching lines @@
   virtual ~BreakableControlFlowBuilder();
 
   // This method should be called by the control flow owner before
   // destruction to update sites that emit jumps for break.
   void BindBreakTarget();
 
   // This method is called when visiting break statements in the AST.
   // Inserts a jump to an unbound label that is patched when the corresponding
   // BindBreakTarget is called.
   void Break() { EmitJump(&break_labels_); }
-  void BreakIfTrue() { EmitJumpIfTrue(&break_labels_); }
-  void BreakIfFalse() { EmitJumpIfFalse(&break_labels_); }
+  void BreakIfTrue(BytecodeArrayBuilder::ToBooleanMode mode) {
+    EmitJumpIfTrue(mode, &break_labels_);
+  }
+  void BreakIfFalse(BytecodeArrayBuilder::ToBooleanMode mode) {
+    EmitJumpIfFalse(mode, &break_labels_);
+  }
   void BreakIfUndefined() { EmitJumpIfUndefined(&break_labels_); }
   void BreakIfNull() { EmitJumpIfNull(&break_labels_); }
 
   BytecodeLabels* break_labels() { return &break_labels_; }
 
  protected:
   void EmitJump(BytecodeLabels* labels);
-  void EmitJumpIfTrue(BytecodeLabels* labels);
-  void EmitJumpIfFalse(BytecodeLabels* labels);
+  void EmitJumpIfTrue(BytecodeArrayBuilder::ToBooleanMode mode,
+                      BytecodeLabels* labels);
+  void EmitJumpIfFalse(BytecodeArrayBuilder::ToBooleanMode mode,
+                       BytecodeLabels* labels);
   void EmitJumpIfUndefined(BytecodeLabels* labels);
   void EmitJumpIfNull(BytecodeLabels* labels);
 
   // Unbound labels that identify jumps for break statements in the code.
   BytecodeLabels break_labels_;
 };
 
 
 // Class to track control flow for block statements (which can break in JS).
 class V8_EXPORT_PRIVATE BlockBuilder final
@@ skipping 21 matching lines @@
 
   void LoopHeader(ZoneVector<BytecodeLabel>* additional_labels = nullptr);
   void JumpToHeader(int loop_depth);
   void BindContinueTarget();
   void EndLoop();
 
   // This method is called when visiting continue statements in the AST.
   // Inserts a jump to an unbound label that is patched when BindContinueTarget
   // is called.
   void Continue() { EmitJump(&continue_labels_); }
-  void ContinueIfTrue() { EmitJumpIfTrue(&continue_labels_); }
   void ContinueIfUndefined() { EmitJumpIfUndefined(&continue_labels_); }
   void ContinueIfNull() { EmitJumpIfNull(&continue_labels_); }
 
  private:
   BytecodeLabel loop_header_;
 
   // Unbound labels that identify jumps for continue statements in the code and
   // jumps from checking the loop condition to the header for do-while loops.
   BytecodeLabels continue_labels_;
   BytecodeLabels header_labels_;
 };
 
 
 // A class to help with co-ordinating break statements with their switch.
 class V8_EXPORT_PRIVATE SwitchBuilder final
     : public BreakableControlFlowBuilder {
  public:
   explicit SwitchBuilder(BytecodeArrayBuilder* builder, int number_of_cases)
       : BreakableControlFlowBuilder(builder),
         case_sites_(builder->zone()) {
     case_sites_.resize(number_of_cases);
   }
   ~SwitchBuilder();
 
   // This method should be called by the SwitchBuilder owner when the case
   // statement with |index| is emitted to update the case jump site.
   void SetCaseTarget(int index);
 
   // This method is called when visiting case comparison operation for |index|.
-  // Inserts a JumpIfTrue to a unbound label that is patched when the
-  // corresponding SetCaseTarget is called.
-  void Case(int index) { builder()->JumpIfTrue(&case_sites_.at(index)); }
+  // Inserts a JumpIfTrue with ToBooleanMode |mode| to a unbound label that is
+  // patched when the corresponding SetCaseTarget is called.
+  void Case(BytecodeArrayBuilder::ToBooleanMode mode, int index) {
+    builder()->JumpIfTrue(mode, &case_sites_.at(index));
+  }
 
   // This method is called when all cases comparisons have been emitted if there
   // is a default case statement. Inserts a Jump to a unbound label that is
   // patched when the corresponding SetCaseTarget is called.
   void DefaultAt(int index) { builder()->Jump(&case_sites_.at(index)); }
 
  private:
   // Unbound labels that identify jumps for case statements in the code.
   ZoneVector<BytecodeLabel> case_sites_;
 };
@@ skipping 44 matching lines @@
 
   // Unbound labels that identify jumps to the finally block in the code.
   BytecodeLabels finalization_sites_;
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_