MIPS: Refactor bailout reasons and disable optimization in more cases.

src/mips/lithium-mips.h

 // Copyright 2012 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_MIPS_LITHIUM_MIPS_H_
 #define V8_MIPS_LITHIUM_MIPS_H_
 
 #include "src/hydrogen.h"
 #include "src/lithium.h"
 #include "src/lithium-allocator.h"
@@ skipping 2700 matching lines @@
       : LChunk(info, graph) { }
 
   int GetNextSpillIndex(RegisterKind kind);
   LOperand* GetNextSpillSlot(RegisterKind kind);
 };
 
 
 class LChunkBuilder FINAL : public LChunkBuilderBase {
  public:
   LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator)
-      : LChunkBuilderBase(graph->zone()),
-        chunk_(NULL),
-        info_(info),
-        graph_(graph),
-        status_(UNUSED),
+      : LChunkBuilderBase(info, graph),
         current_instruction_(NULL),
         current_block_(NULL),
         next_block_(NULL),
-        allocator_(allocator) { }
-
-  Isolate* isolate() const { return graph_->isolate(); }
+        allocator_(allocator) {}
 
   // Build the sequence for the graph.
   LPlatformChunk* Build();
 
   // Declare methods that deal with the individual node types.
 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node);
   HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
 #undef DECLARE_DO
 
   LInstruction* DoMultiplyAdd(HMul* mul, HValue* addend);
@@ skipping 13 matching lines @@
   LInstruction* DoDivByConstI(HDiv* instr);
   LInstruction* DoDivI(HDiv* instr);
   LInstruction* DoModByPowerOf2I(HMod* instr);
   LInstruction* DoModByConstI(HMod* instr);
   LInstruction* DoModI(HMod* instr);
   LInstruction* DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr);
   LInstruction* DoFlooringDivByConstI(HMathFloorOfDiv* instr);
   LInstruction* DoFlooringDivI(HMathFloorOfDiv* instr);
 
  private:
-  enum Status {
-    UNUSED,
-    BUILDING,
-    DONE,
-    ABORTED
-  };
-
-  LPlatformChunk* chunk() const { return chunk_; }
-  CompilationInfo* info() const { return info_; }
-  HGraph* graph() const { return graph_; }
-
-  bool is_unused() const { return status_ == UNUSED; }
-  bool is_building() const { return status_ == BUILDING; }
-  bool is_done() const { return status_ == DONE; }
-  bool is_aborted() const { return status_ == ABORTED; }
-
-  void Abort(BailoutReason reason);
-
   // Methods for getting operands for Use / Define / Temp.
   LUnallocated* ToUnallocated(Register reg);
   LUnallocated* ToUnallocated(DoubleRegister reg);
 
   // Methods for setting up define-use relationships.
   MUST_USE_RESULT LOperand* Use(HValue* value, LUnallocated* operand);
   MUST_USE_RESULT LOperand* UseFixed(HValue* value, Register fixed_register);
   MUST_USE_RESULT LOperand* UseFixedDouble(HValue* value,
                                            DoubleRegister fixed_register);
 
@@ skipping 65 matching lines @@
   void AddInstruction(LInstruction* instr, HInstruction* current);
 
   void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block);
   LInstruction* DoBit(Token::Value op, HBitwiseBinaryOperation* instr);
   LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr);
   LInstruction* DoArithmeticD(Token::Value op,
                               HArithmeticBinaryOperation* instr);
   LInstruction* DoArithmeticT(Token::Value op,
                               HBinaryOperation* instr);
 
-  LPlatformChunk* chunk_;
-  CompilationInfo* info_;
-  HGraph* const graph_;
-  Status status_;
   HInstruction* current_instruction_;
   HBasicBlock* current_block_;
   HBasicBlock* next_block_;
   LAllocator* allocator_;
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_LITHIUM_MIPS_H_