Use kInstanceCid instead of object_store()->object_class() when checking to see if the class is obj…

vm/intermediate_language_x64.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/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
 #include "lib/error.h"
@@ skipping 231 matching lines @@
     case Token::kLTE: return LESS_EQUAL;
     case Token::kGTE: return  GREATER_EQUAL;
     default:
       UNREACHABLE();
       return OVERFLOW;
   }
 }
 
 
 LocationSummary* EqualityCompareComp::MakeLocationSummary() const {
-  const intptr_t dart_object_cid =
-      Class::Handle(Isolate::Current()->object_store()->object_class()).id();
   const intptr_t kNumInputs = 2;
   const bool is_checked_strict_equal =
-      HasICData() && ic_data()->AllTargetsHaveSameOwner(dart_object_cid);
+      HasICData() && ic_data()->AllTargetsHaveSameOwner(kInstanceCid);
   if ((receiver_class_id() == kSmiCid) ||
       (receiver_class_id() == kDoubleCid) ||
       is_checked_strict_equal) {
     const intptr_t kNumTemps = 1;
     LocationSummary* locs =
         new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::RequiresRegister());
     locs->set_in(1, Location::RequiresRegister());
     locs->set_temp(0, Location::RequiresRegister());
     locs->set_out(Location::RequiresRegister());
@@ skipping 374 matching lines @@
     EmitSmiComparisonOp(compiler, *locs(), kind(), NULL,  // No branch.
                         deopt_id(), token_pos(), try_index());
     return;
   }
   if (receiver_class_id() == kDoubleCid) {
     // Deoptimizes if both arguments are Smi, or if none is Double or Smi.
     EmitDoubleComparisonOp(compiler, *locs(), kind(), NULL,  // No branch.
                            deopt_id(), token_pos(), try_index());
     return;
   }
-  const intptr_t dart_object_cid =
-      Class::Handle(Isolate::Current()->object_store()->object_class()).id();
   const bool is_checked_strict_equal =
-      HasICData() && ic_data()->AllTargetsHaveSameOwner(dart_object_cid);
+      HasICData() && ic_data()->AllTargetsHaveSameOwner(kInstanceCid);
   if (is_checked_strict_equal) {
     EmitCheckedStrictEqual(compiler, *ic_data(), *locs(), kind(), NULL,
                            deopt_id(), token_pos(), try_index());
     return;
   }
   if (HasICData() && (ic_data()->NumberOfChecks() > 0)) {
     EmitGenericEqualityCompare(compiler, *locs(), kind(), NULL, *ic_data(),
                                deopt_id(), token_pos(), try_index());
   } else {
     Register left = locs()->in(0).reg();
@@ skipping 1384 matching lines @@
   if (ic_data.NumberOfChecks() != 1) return false;
   Function& target = Function::Handle();
   GrowableArray<intptr_t> class_ids;
   ic_data.GetCheckAt(0, &class_ids, &target);
   return (class_ids[0] == class_id) && (class_ids[1] == class_id);
 }
 
 
 static bool IsCheckedStrictEquals(const ICData& ic_data, Token::Kind kind) {
   if ((kind == Token::kEQ) || (kind == Token::kNE)) {
-    const intptr_t dart_object_cid =
-        Class::Handle(Isolate::Current()->object_store()->object_class()).id();
-    return ic_data.AllTargetsHaveSameOwner(dart_object_cid);
+    return ic_data.AllTargetsHaveSameOwner(kInstanceCid);
   }
   return false;
 }
 
 
 LocationSummary* BranchInstr::MakeLocationSummary() const {
   if ((kind() == Token::kEQ_STRICT) || (kind() == Token::kNE_STRICT)) {
     const int kNumInputs = 2;
     const int kNumTemps = 0;
     LocationSummary* locs =
@@ skipping 151 matching lines @@
     }
   }
   __ Bind(&is_ok);
 }
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64