[ic] Introduce IsXyzIC() predicates.

test/cctest/heap/test-heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3758 matching lines @@
   return NULL;
 }
 
 
 static void CheckVectorIC(Handle<JSFunction> f, int slot_index,
                           InlineCacheState desired_state) {
   Handle<TypeFeedbackVector> vector =
       Handle<TypeFeedbackVector>(f->feedback_vector());
   FeedbackVectorHelper helper(vector);
   FeedbackVectorSlot slot = helper.slot(slot_index);
-  if (vector->GetKind(slot) == FeedbackVectorSlotKind::LOAD_IC) {
+  if (vector->IsLoadIC(slot)) {
     LoadICNexus nexus(vector, slot);
     CHECK(nexus.StateFromFeedback() == desired_state);
   } else {
-    CHECK_EQ(FeedbackVectorSlotKind::KEYED_LOAD_IC, vector->GetKind(slot));
+    CHECK(vector->IsKeyedLoadIC(slot));
     KeyedLoadICNexus nexus(vector, slot);
     CHECK(nexus.StateFromFeedback() == desired_state);
   }
 }
 
 TEST(IncrementalMarkingPreservesMonomorphicConstructor) {
   if (!i::FLAG_incremental_marking) return;
   if (i::FLAG_always_opt) return;
   CcTest::InitializeVM();
   v8::HandleScope scope(CcTest::isolate());
@@ skipping 3331 matching lines @@
   CHECK(!heap->code_space()->FirstPage()->Contains(code->address()));
 
   // Ensure it's not in large object space.
   MemoryChunk* chunk = MemoryChunk::FromAddress(code->address());
   CHECK(chunk->owner()->identity() != LO_SPACE);
   CHECK(chunk->NeverEvacuate());
 }
 
 }  // namespace internal
 }  // namespace v8