Revert "VM: Simplify lowering of is-tests."

runtime/vm/intermediate_language_arm64.cc

 // Copyright (c) 2014, 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_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/compiler.h"
@@ skipping 2083 matching lines @@
   summary->set_in(1, Location::RegisterLocation(R1));
   summary->set_out(0, Location::RegisterLocation(R0));
   return summary;
 }
 
 
 void InstanceOfInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(locs()->in(0).reg() == R0);  // Value.
   ASSERT(locs()->in(1).reg() == R1);  // Instantiator type arguments.
 
-  compiler->GenerateInstanceOf(token_pos(), deopt_id(), type(), locs());
+  compiler->GenerateInstanceOf(token_pos(), deopt_id(), type(), negate_result(),
+                               locs());
   ASSERT(locs()->out(0).reg() == R0);
 }
 
 
 LocationSummary* CreateArrayInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
@@ skipping 3918 matching lines @@
   compiler->GenerateRuntimeCall(TokenPosition::kNoSource, deopt_id(),
                                 kGrowRegExpStackRuntimeEntry, 1, locs());
   __ Drop(1);
   __ Pop(result);
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64