[turbofan] Add support for eager/soft deoptimization reasons.

src/crankshaft/mips/lithium-codegen-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_CRANKSHAFT_MIPS_LITHIUM_CODEGEN_MIPS_H_
 #define V8_CRANKSHAFT_MIPS_LITHIUM_CODEGEN_MIPS_H_
 
 #include "src/ast/scopes.h"
 #include "src/crankshaft/lithium-codegen.h"
 #include "src/crankshaft/mips/lithium-gap-resolver-mips.h"
@@ skipping 207 matching lines @@
   void CallKnownFunction(Handle<JSFunction> function,
                          int formal_parameter_count, int arity,
                          bool is_tail_call, LInstruction* instr);
 
   void RecordSafepointWithLazyDeopt(LInstruction* instr,
                                     SafepointMode safepoint_mode);
 
   void RegisterEnvironmentForDeoptimization(LEnvironment* environment,
                                             Safepoint::DeoptMode mode);
   void DeoptimizeIf(Condition condition, LInstruction* instr,
-                    Deoptimizer::DeoptReason deopt_reason,
+                    DeoptimizeReason deopt_reason,
                     Deoptimizer::BailoutType bailout_type,
                     Register src1 = zero_reg,
                     const Operand& src2 = Operand(zero_reg));
-  void DeoptimizeIf(
-      Condition condition, LInstruction* instr,
-      Deoptimizer::DeoptReason deopt_reason = Deoptimizer::kNoReason,
-      Register src1 = zero_reg, const Operand& src2 = Operand(zero_reg));
+  void DeoptimizeIf(Condition condition, LInstruction* instr,
+                    DeoptimizeReason deopt_reason = DeoptimizeReason::kNoReason,
+                    Register src1 = zero_reg,
+                    const Operand& src2 = Operand(zero_reg));
 
   void AddToTranslation(LEnvironment* environment,
                         Translation* translation,
                         LOperand* op,
                         bool is_tagged,
                         bool is_uint32,
                         int* object_index_pointer,
                         int* dematerialized_index_pointer);
 
   Register ToRegister(int index) const;
@@ skipping 170 matching lines @@
   Label entry_;
   Label exit_;
   Label* external_exit_;
   int instruction_index_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_MIPS_LITHIUM_CODEGEN_MIPS_H_