[turbofan] Fix deoptimization stack layout for fast literal comparisons.

src/compiler/ast-graph-builder.h

 // Copyright 2014 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_COMPILER_AST_GRAPH_BUILDER_H_
 #define V8_COMPILER_AST_GRAPH_BUILDER_H_
 
 #include "src/ast/ast.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/liveness-analyzer.h"
@@ skipping 400 matching lines @@
   void VisitCallSuper(Call* expr);
 
   // Dispatched from VisitCallRuntime.
   void VisitCallJSRuntime(CallRuntime* expr);
 
   // Dispatched from VisitUnaryOperation.
   void VisitDelete(UnaryOperation* expr);
   void VisitVoid(UnaryOperation* expr);
   void VisitTypeof(UnaryOperation* expr);
   void VisitNot(UnaryOperation* expr);
+  void VisitTypeofExpression(Expression* expr);

[Michael Starzinger, 2016/03/09 09:26:14]

nit: Can we separate out this last function from the rest and add a comment "//
Dispatched from VisitTypeof." in front?

[Jarin, 2016/03/09 10:50:18]

Done.

 
   // Dispatched from VisitBinaryOperation.
   void VisitComma(BinaryOperation* expr);
   void VisitLogicalExpression(BinaryOperation* expr);
   void VisitArithmeticExpression(BinaryOperation* expr);
 
+  // Dispatched from VisitCompareOperation.
+  void VisitLiteralCompareNil(CompareOperation* expr, Expression* sub_expr,
+                              Node* nil_value);
+  void VisitLiteralCompareTypeof(CompareOperation* expr, Expression* sub_expr,
+                                 Handle<String> check);
+
   // Dispatched from VisitForInStatement.
   void VisitForInAssignment(Expression* expr, Node* value,
                             const VectorSlotPair& feedback,
                             BailoutId bailout_id_before,
                             BailoutId bailout_id_after);
 
   // Dispatched from VisitObjectLiteral.
   void VisitObjectLiteralAccessor(Node* home_object,
                                   ObjectLiteralProperty* property);
 
@@ skipping 147 matching lines @@
 
   // Prepare environment to be used as loop header.
   void PrepareForLoop(BitVector* assigned, bool is_osr = false);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_AST_GRAPH_BUILDER_H_