Revert "Reland 21774: Generate KeyedLoadGeneric with Hydrogen"

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 9260b58cd38a2cfa6a89cb0be39bee81f0e45d88..818569b0919b0441bcb7a8f68b139c346e0d590c 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1309,16 +1309,6 @@ class HGraphBuilder {
   HBasicBlock* CreateBasicBlock(HEnvironment* env);
   HBasicBlock* CreateLoopHeaderBlock();
 
-  template <class BitFieldClass>
-  HValue* BuildDecodeField(HValue* encoded_field) {
-    HValue* shifted_field = AddUncasted<HShr>(encoded_field,
-        Add<HConstant>(static_cast<int>(BitFieldClass::kShift)));
-    HValue* mask_value = Add<HConstant>(static_cast<int>(BitFieldClass::kMask));
-    return AddUncasted<HBitwise>(Token::BIT_AND, shifted_field, mask_value);
-  }
-
-  HValue* BuildGetElementsKind(HValue* object);
-
   HValue* BuildCheckHeapObject(HValue* object);
   HValue* BuildCheckString(HValue* string);
   HValue* BuildWrapReceiver(HValue* object, HValue* function);
@@ -1345,32 +1335,8 @@ class HGraphBuilder {
 
   HValue* BuildNumberToString(HValue* object, Type* type);
 
-  void BuildJSObjectCheck(HValue* receiver,
-                          int bit_field_mask);
-
-  // Checks a key value that's being used for a keyed element access context. If
-  // the key is a index, i.e. a smi or a number in a unique string with a cached
-  // numeric value, the "true" of the continuation is joined. Otherwise,
-  // if the key is a name or a unique string, the "false" of the continuation is
-  // joined. Otherwise, a deoptimization is triggered. In both paths of the
-  // continuation, the key is pushed on the top of the environment.
-  void BuildKeyedIndexCheck(HValue* key,
-                            HIfContinuation* join_continuation);
-
-  // Checks the properties of an object if they are in dictionary case, in which
-  // case "true" of continuation is taken, otherwise the "false"
-  void BuildTestForDictionaryProperties(HValue* object,
-                                        HIfContinuation* continuation);
-
-  void BuildNonGlobalObjectCheck(HValue* receiver);
-
-  HValue* BuildKeyedLookupCacheHash(HValue* object,
-                                    HValue* key);
-
   HValue* BuildUncheckedDictionaryElementLoad(HValue* receiver,
-                                              HValue* elements,
-                                              HValue* key,
-                                              HValue* hash);
+                                              HValue* key);
 
   HValue* BuildRegExpConstructResult(HValue* length,
                                      HValue* index,
@@ -1708,27 +1674,6 @@ class HGraphBuilder {
     bool finished_;
   };
 
-  template <class A, class P1>
-  void DeoptimizeIf(P1 p1, char* const reason) {
-    IfBuilder builder(this);
-    builder.If<A>(p1);
-    builder.ThenDeopt(reason);
-  }
-
-  template <class A, class P1, class P2>
-  void DeoptimizeIf(P1 p1, P2 p2, const char* reason) {
-    IfBuilder builder(this);
-    builder.If<A>(p1, p2);
-    builder.ThenDeopt(reason);
-  }
-
-  template <class A, class P1, class P2, class P3>
-  void DeoptimizeIf(P1 p1, P2 p2, P3 p3, const char* reason) {
-    IfBuilder builder(this);
-    builder.If<A>(p1, p2, p3);
-    builder.ThenDeopt(reason);
-  }
-
   HValue* BuildNewElementsCapacity(HValue* old_capacity);
 
   class JSArrayBuilder V8_FINAL {