[stubs] Extend HasProperty stub with dictionary-mode and double-elements objects support.

src/code-stub-assembler.h

Index: src/code-stub-assembler.h
diff --git a/src/code-stub-assembler.h b/src/code-stub-assembler.h
index 19b798216f6fe881be4d032cb77e6a55fceb006d..db730121e2cf4772299cd666b05740d7d4c85647 100644
--- a/src/code-stub-assembler.h
+++ b/src/code-stub-assembler.h
@@ -38,6 +38,8 @@ class CodeStubAssembler : public compiler::CodeAssembler {
   compiler::Node* NoContextConstant();
   compiler::Node* NullConstant();
   compiler::Node* UndefinedConstant();
+  compiler::Node* TheHoleConstant();
+  compiler::Node* HashSeed();
   compiler::Node* StaleRegisterConstant();
 
   // Float64 operations.
@@ -107,6 +109,8 @@ class CodeStubAssembler : public compiler::CodeAssembler {
   compiler::Node* LoadMap(compiler::Node* object);
   // Load the instance type of an HeapObject.
   compiler::Node* LoadInstanceType(compiler::Node* object);
+  // Load the properties backing store of a JSObject.
+  compiler::Node* LoadProperties(compiler::Node* object);
   // Load the elements backing store of a JSObject.
   compiler::Node* LoadElements(compiler::Node* object);
   // Load the length of a fixed array base instance.
@@ -125,7 +129,11 @@ class CodeStubAssembler : public compiler::CodeAssembler {
   compiler::Node* LoadMapPrototype(compiler::Node* map);
 
   // Load the hash field of a name.
-  compiler::Node* LoadNameHash(compiler::Node* name);
+  compiler::Node* LoadNameHashField(compiler::Node* name);
+  // Load the hash value of a name. If {if_hash_not_computed} label
+  // is specified then it also checks if hash is actually computed.
+  compiler::Node* LoadNameHash(compiler::Node* name,
+                               Label* if_hash_not_computed = nullptr);
   // Load the instance size of a Map.
   compiler::Node* LoadMapInstanceSize(compiler::Node* map);
 
@@ -140,6 +148,12 @@ class CodeStubAssembler : public compiler::CodeAssembler {
                                                 int additional_offset = 0);
   compiler::Node* LoadFixedArrayElementConstantIndex(compiler::Node* object,
                                                      int index);
+  // Load an array element from a FixedDoubleArray.
+  compiler::Node* OffsetOfFixedDoubleArrayElementInt32Index(
+      compiler::Node* int32_index, int additional_offset = 0);
+  compiler::Node* LoadFixedDoubleArrayElementInt32Index(
+      compiler::Node* object, compiler::Node* int32_index,
+      MachineType machine_type, int additional_offset = 0);
 
   // Context manipulation
   compiler::Node* LoadNativeContext(compiler::Node* context);
@@ -235,10 +249,24 @@ class CodeStubAssembler : public compiler::CodeAssembler {
   void TryToName(compiler::Node* key, Label* if_keyisindex, Variable* var_index,
                  Label* if_keyisunique, Label* call_runtime);
 
+  static const int kInlinedDictionaryProbes = 4;
+  template <typename Dictionary>
+  void NameDictionaryLookup(compiler::Node* dictionary,
+                            compiler::Node* unique_name, Label* if_found,
+                            Label* if_not_found, Label* call_runtime,
+                            int inlined_probes = kInlinedDictionaryProbes);
+
+  compiler::Node* ComputeIntegerHash(compiler::Node* key, compiler::Node* seed);
+
+  template <typename Dictionary>
+  void NumberDictionaryLookup(compiler::Node* dictionary, compiler::Node* key,
+                              Label* if_found, Label* if_not_found,
+                              Label* call_runtime);
+
   void TryLookupProperty(compiler::Node* object, compiler::Node* map,
-                         compiler::Node* instance_type, compiler::Node* name,
-                         Label* if_found, Label* if_not_found,
-                         Label* call_runtime);
+                         compiler::Node* instance_type,
+                         compiler::Node* unique_name, Label* if_found,
+                         Label* if_not_found, Label* call_runtime);
 
   void TryLookupElement(compiler::Node* object, compiler::Node* map,
                         compiler::Node* instance_type, compiler::Node* index,