Make constants computations instead of values.

runtime/vm/deopt_instructions.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/deopt_instructions.h"
 
 #include "vm/assembler_macros.h"
 #include "vm/intermediate_language.h"
 #include "vm/locations.h"
 #include "vm/parser.h"
@@ skipping 302 matching lines @@
     intptr_t object_table_index = FindOrAddObjectInTable(from_loc.constant());
     deopt_instr = new DeoptConstantInstr(object_table_index);
   } else if (from_loc.IsRegister()) {
     deopt_instr = new DeoptRegisterInstr(from_loc.reg());
   } else if (from_loc.IsStackSlot()) {
     intptr_t from_index = (from_loc.stack_index() < 0) ?
         from_loc.stack_index() + num_args_ :
         from_loc.stack_index() + num_args_ -
             ParsedFunction::kFirstLocalSlotIndex + 1;
     deopt_instr = new DeoptStackSlotInstr(from_index);
-  } else if (from_loc.IsInvalid()) {
-    ASSERT(from_value.IsConstant());
-    const Object& obj = from_value.AsConstant()->value();
-    intptr_t object_table_index = FindOrAddObjectInTable(obj);
-    deopt_instr = new DeoptConstantInstr(object_table_index);
   } else {
     UNREACHABLE();
   }
   ASSERT(to_index == instructions_.length());
   instructions_.Add(deopt_instr);
 }
 
 
 void DeoptInfoBuilder::AddCallerFp(intptr_t to_index) {
   ASSERT(to_index == instructions_.length());
@@ skipping 11 matching lines @@
   const intptr_t len = instructions_.length();
   const DeoptInfo& deopt_info = DeoptInfo::Handle(DeoptInfo::New(len));
   for (intptr_t i = 0; i < len; i++) {
     DeoptInstr* instr = instructions_[i];
     deopt_info.SetAt(i, instr->kind(), instr->from_index());
   }
   return deopt_info.raw();
 }
 
 }  // namespace dart