Remove unnecessary TypeFeedbackIds, saves memory and simplifies TurboFan.

src/compiler/ast-graph-builder.h

 // Copyright 2014 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.
 
 #ifndef V8_COMPILER_AST_GRAPH_BUILDER_H_
 #define V8_COMPILER_AST_GRAPH_BUILDER_H_
 
 #include "src/ast.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/liveness-analyzer.h"
@@ skipping 250 matching lines @@
       OutputFrameStateCombine combine = OutputFrameStateCombine::Ignore());
   Node* BuildVariableDelete(Variable* var, BailoutId bailout_id,
                             OutputFrameStateCombine combine);
   Node* BuildVariableLoad(FrameStateBeforeAndAfter& states, Variable* var,
                           BailoutId bailout_id, const VectorSlotPair& feedback,
                           OutputFrameStateCombine combine,
                           ContextualMode mode = CONTEXTUAL);
 
   // Builders for property loads and stores.
   Node* BuildKeyedLoad(Node* receiver, Node* key,
-                       const VectorSlotPair& feedback, TypeFeedbackId id);
+                       const VectorSlotPair& feedback);
   Node* BuildNamedLoad(Node* receiver, Handle<Name> name,
-                       const VectorSlotPair& feedback, TypeFeedbackId id,
+                       const VectorSlotPair& feedback,
                        ContextualMode mode = NOT_CONTEXTUAL);
   Node* BuildKeyedStore(Node* receiver, Node* key, Node* value,
                         TypeFeedbackId id);
   Node* BuildNamedStore(Node* receiver, Handle<Name>, Node* value,
                         TypeFeedbackId id);
 
   // Builders for accessing the function context.
   Node* BuildLoadBuiltinsObject();
   Node* BuildLoadGlobalObject();
   Node* BuildLoadGlobalProxy();
@@ skipping 223 matching lines @@
 
   // Prepare environment to be used as loop header.
   void PrepareForLoop(BitVector* assigned, bool is_osr = false);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_AST_GRAPH_BUILDER_H_