[Interpreter] Remove Ldr[Named/Keyed]Property bytecodes and use Star Lookahead instead.

src/interpreter/mkpeephole.cc

 // Copyright 2016 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 <array>
 #include <fstream>
 #include <map>
 #include <string>
 #include <vector>
 
@@ skipping 68 matching lines @@
 // static
 PeepholeActionAndData PeepholeActionTableWriter::LookupActionAndData(
     Bytecode last, Bytecode current) {
   // Optimize various accumulator loads followed by store accumulator
   // to an equivalent register load and loading the accumulator with
   // the register. The latter accumulator load can often be elided as
   // it is side-effect free and often followed by another accumulator
   // load so can be elided.
   if (current == Bytecode::kStar) {
     switch (last) {
-      case Bytecode::kLdaNamedProperty:
-        return {PeepholeAction::kTransformLdaStarToLdrLdarAction,
-                Bytecode::kLdrNamedProperty};
-      case Bytecode::kLdaKeyedProperty:
-        return {PeepholeAction::kTransformLdaStarToLdrLdarAction,
-                Bytecode::kLdrKeyedProperty};
       case Bytecode::kLdaGlobal:
         return {PeepholeAction::kTransformLdaStarToLdrLdarAction,
                 Bytecode::kLdrGlobal};
       case Bytecode::kLdaContextSlot:
         return {PeepholeAction::kTransformLdaStarToLdrLdarAction,
                 Bytecode::kLdrContextSlot};
       case Bytecode::kLdaCurrentContextSlot:
         return {PeepholeAction::kTransformLdaStarToLdrLdarAction,
                 Bytecode::kLdrCurrentContextSlot};
       case Bytecode::kLdaUndefined:
@@ skipping 275 matching lines @@
 
   std::ofstream ofs(argv[1], std::ofstream::trunc);
   v8::internal::interpreter::PeepholeActionTableWriter writer;
   writer.BuildTable();
   writer.Write(ofs);
   ofs.flush();
   ofs.close();
 
   return 0;
 }