Various cleanups in check elimination.

src/arm64/lithium-codegen-arm64.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 "v8.h"
 
 #include "arm64/lithium-codegen-arm64.h"
 #include "arm64/lithium-gap-resolver-arm64.h"
 #include "code-stubs.h"
 #include "stub-cache.h"
@@ skipping 2114 matching lines @@
   Register map_reg = ToRegister(instr->temp());
 
   __ Ldr(map_reg, FieldMemOperand(object, HeapObject::kMapOffset));
 
   DeferredCheckMaps* deferred = NULL;
   if (instr->hydrogen()->has_migration_target()) {
     deferred = new(zone()) DeferredCheckMaps(this, instr, object);
     __ Bind(deferred->check_maps());
   }
 
-  const UniqueSet<Map>* map_set = instr->hydrogen()->map_set();
+  const UniqueSet<Map>* maps = instr->hydrogen()->maps();
   Label success;
-  for (int i = 0; i < map_set->size() - 1; i++) {
-    Handle<Map> map = map_set->at(i).handle();
+  for (int i = 0; i < maps->size() - 1; i++) {
+    Handle<Map> map = maps->at(i).handle();
     __ CompareMap(map_reg, map);
     __ B(eq, &success);
   }
-  Handle<Map> map = map_set->at(map_set->size() - 1).handle();
+  Handle<Map> map = maps->at(maps->size() - 1).handle();
   __ CompareMap(map_reg, map);
 
   // We didn't match a map.
   if (instr->hydrogen()->has_migration_target()) {
     __ B(ne, deferred->entry());
   } else {
     DeoptimizeIf(ne, instr->environment());
   }
 
   __ Bind(&success);
@@ skipping 3790 matching lines @@
   __ Ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset));
   // Index is equal to negated out of object property index plus 1.
   __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2));
   __ Ldr(result, FieldMemOperand(result,
                                  FixedArray::kHeaderSize - kPointerSize));
   __ Bind(deferred->exit());
   __ Bind(&done);
 }
 
 } }  // namespace v8::internal