[ic] Introduce IsXyzIC() predicates.

src/type-info.cc

 // Copyright 2012 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 "src/type-info.h"
 
 #include "src/ast/ast.h"
 #include "src/code-stubs.h"
 #include "src/ic/ic.h"
 #include "src/ic/stub-cache.h"
@@ skipping 57 matching lines @@
   }
 
   return undefined;
 }
 
 
 InlineCacheState TypeFeedbackOracle::LoadInlineCacheState(
     FeedbackVectorSlot slot) {
   if (!slot.IsInvalid()) {
     FeedbackVectorSlotKind kind = feedback_vector_->GetKind(slot);
-    if (kind == FeedbackVectorSlotKind::LOAD_IC) {
+    if (IsLoadICKind(kind)) {
       LoadICNexus nexus(feedback_vector_, slot);
       return nexus.StateFromFeedback();
-    } else if (kind == FeedbackVectorSlotKind::KEYED_LOAD_IC) {
+    } else if (IsKeyedLoadICKind(kind)) {
       KeyedLoadICNexus nexus(feedback_vector_, slot);
       return nexus.StateFromFeedback();
     }
   }
 
   // If we can't find an IC, assume we've seen *something*, but we don't know
   // what. PREMONOMORPHIC roughly encodes this meaning.
   return PREMONOMORPHIC;
 }
 
 
 bool TypeFeedbackOracle::StoreIsUninitialized(FeedbackVectorSlot slot) {
   if (!slot.IsInvalid()) {
     FeedbackVectorSlotKind kind = feedback_vector_->GetKind(slot);
-    if (kind == FeedbackVectorSlotKind::STORE_IC) {
+    if (IsStoreICKind(kind)) {
       StoreICNexus nexus(feedback_vector_, slot);
       return nexus.StateFromFeedback() == UNINITIALIZED;
-    } else if (kind == FeedbackVectorSlotKind::KEYED_STORE_IC) {
+    } else if (IsKeyedStoreICKind(kind)) {
       KeyedStoreICNexus nexus(feedback_vector_, slot);
       return nexus.StateFromFeedback() == UNINITIALIZED;
     }
   }
   return true;
 }
 
 
 bool TypeFeedbackOracle::CallIsUninitialized(FeedbackVectorSlot slot) {
   Handle<Object> value = GetInfo(slot);
@@ skipping 20 matching lines @@
   return value.is_identical_to(
              TypeFeedbackVector::UninitializedSentinel(isolate()))
              ? ForInStatement::FAST_FOR_IN
              : ForInStatement::SLOW_FOR_IN;
 }
 
 
 void TypeFeedbackOracle::GetStoreModeAndKeyType(
     FeedbackVectorSlot slot, KeyedAccessStoreMode* store_mode,
     IcCheckType* key_type) {
-  if (!slot.IsInvalid() &&
-      feedback_vector_->GetKind(slot) ==
-          FeedbackVectorSlotKind::KEYED_STORE_IC) {
+  if (!slot.IsInvalid() && feedback_vector_->IsKeyedStoreIC(slot)) {
     KeyedStoreICNexus nexus(feedback_vector_, slot);
     *store_mode = nexus.GetKeyedAccessStoreMode();
     *key_type = nexus.GetKeyType();
   } else {
     *store_mode = STANDARD_STORE;
     *key_type = ELEMENT;
   }
 }
 
 
@@ skipping 317 matching lines @@
     types->Reserve(4, zone());
     stub_cache->CollectMatchingMaps(types, name, native_context_, zone());
   } else {
     CollectReceiverTypes(nexus, types);
   }
 }
 
 
 void TypeFeedbackOracle::CollectReceiverTypes(FeedbackVectorSlot slot,
                                               SmallMapList* types) {
-  FeedbackVectorSlotKind kind = feedback_vector_->GetKind(slot);
-  if (kind == FeedbackVectorSlotKind::STORE_IC) {
+  if (feedback_vector_->IsStoreIC(slot)) {
     StoreICNexus nexus(feedback_vector_, slot);
     CollectReceiverTypes(&nexus, types);
   } else {
-    DCHECK_EQ(FeedbackVectorSlotKind::KEYED_STORE_IC, kind);
+    DCHECK(feedback_vector_->IsKeyedStoreIC(slot));
     KeyedStoreICNexus nexus(feedback_vector_, slot);
     CollectReceiverTypes(&nexus, types);
   }
 }
 
 void TypeFeedbackOracle::CollectReceiverTypes(FeedbackNexus* nexus,
                                               SmallMapList* types) {
   MapHandleList maps;
   if (nexus->ic_state() == MONOMORPHIC) {
     Map* map = nexus->FindFirstMap();
@@ skipping 96 matching lines @@
   // Dictionary has been allocated with sufficient size for all elements.
   DisallowHeapAllocation no_need_to_resize_dictionary;
   HandleScope scope(isolate());
   USE(UnseededNumberDictionary::AtNumberPut(
       dictionary_, IdToKey(ast_id), handle(target, isolate())));
 }
 
 
 }  // namespace internal
 }  // namespace v8