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

src/deoptimizer.cc

 // Copyright 2013 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.
 
 #include "src/deoptimizer.h"
 
 #include "src/accessors.h"
 #include "src/ast/prettyprinter.h"
 #include "src/codegen.h"
 #include "src/disasm.h"
@@ skipping 2718 matching lines @@
   }
 
   // For interpreter frame, skip the accumulator.
   if (frame_it->kind() == TranslatedFrame::kInterpretedFunction) {
     stack_it++;
   }
   CHECK(stack_it == frame_it->end());
 }
 
 
-const char* Deoptimizer::GetDeoptReason(DeoptReason deopt_reason) {
-  DCHECK(deopt_reason < kLastDeoptReason);
-#define DEOPT_MESSAGES_TEXTS(C, T) T,
-  static const char* deopt_messages_[] = {
-      DEOPT_MESSAGES_LIST(DEOPT_MESSAGES_TEXTS)};
-#undef DEOPT_MESSAGES_TEXTS
-  return deopt_messages_[deopt_reason];
-}
-
-
 Deoptimizer::DeoptInfo Deoptimizer::GetDeoptInfo(Code* code, Address pc) {
   SourcePosition last_position = SourcePosition::Unknown();
-  Deoptimizer::DeoptReason last_reason = Deoptimizer::kNoReason;
+  DeoptimizeReason last_reason = DeoptimizeReason::kNoReason;
   int last_deopt_id = Deoptimizer::DeoptInfo::kNoDeoptId;
   int mask = RelocInfo::ModeMask(RelocInfo::DEOPT_REASON) |
              RelocInfo::ModeMask(RelocInfo::DEOPT_ID) |
              RelocInfo::ModeMask(RelocInfo::DEOPT_POSITION);
   for (RelocIterator it(code, mask); !it.done(); it.next()) {
     RelocInfo* info = it.rinfo();
     if (info->pc() >= pc) {
       return DeoptInfo(last_position, last_reason, last_deopt_id);
     }
     if (info->rmode() == RelocInfo::DEOPT_POSITION) {
       int raw_position = static_cast<int>(info->data());
       last_position = raw_position ? SourcePosition::FromRaw(raw_position)
                                    : SourcePosition::Unknown();
     } else if (info->rmode() == RelocInfo::DEOPT_ID) {
       last_deopt_id = static_cast<int>(info->data());
     } else if (info->rmode() == RelocInfo::DEOPT_REASON) {
-      last_reason = static_cast<Deoptimizer::DeoptReason>(info->data());
+      last_reason = static_cast<DeoptimizeReason>(info->data());
     }
   }
-  return DeoptInfo(SourcePosition::Unknown(), Deoptimizer::kNoReason, -1);
+  return DeoptInfo(SourcePosition::Unknown(), DeoptimizeReason::kNoReason, -1);
 }
 
 
 // static
 int Deoptimizer::ComputeSourcePosition(SharedFunctionInfo* shared,
                                        BailoutId node_id) {
   AbstractCode* abstract_code = shared->abstract_code();
   int code_offset;
   if (abstract_code->IsBytecodeArray()) {
     // BailoutId points to the next bytecode in the bytecode aray. Subtract
@@ skipping 1231 matching lines @@
       CHECK(value_info->IsMaterializedObject());
 
       value_info->value_ =
           Handle<Object>(previously_materialized_objects->get(i), isolate_);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8