Replace custom builtin invocation instructions by a generic version

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5454 matching lines @@
     DeoptimizeIf(no_condition, instr->environment());
   }
 }
 
 
 void LCodeGen::DoDummyUse(LDummyUse* instr) {
   // Nothing to see here, move on!
 }
 
 
-void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) {
-  LOperand* obj = instr->object();
-  LOperand* key = instr->key();
-  EmitPushTaggedOperand(obj);
-  EmitPushTaggedOperand(key);
-  ASSERT(instr->HasPointerMap());
-  LPointerMap* pointers = instr->pointer_map();
-  RecordPosition(pointers->position());
-  // Create safepoint generator that will also ensure enough space in the
-  // reloc info for patching in deoptimization (since this is invoking a
-  // builtin)
-  SafepointGenerator safepoint_generator(
-      this, pointers, Safepoint::kLazyDeopt);
-  __ Push(Smi::FromInt(strict_mode_flag()));
-  __ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION, safepoint_generator);
-}
-
-
-void LCodeGen::DoIn(LIn* instr) {
-  LOperand* obj = instr->object();
-  LOperand* key = instr->key();
-  EmitPushTaggedOperand(key);
-  EmitPushTaggedOperand(obj);
-  ASSERT(instr->HasPointerMap());
-  LPointerMap* pointers = instr->pointer_map();
-  RecordPosition(pointers->position());
-  SafepointGenerator safepoint_generator(
-      this, pointers, Safepoint::kLazyDeopt);
-  __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION, safepoint_generator);
-}
-
-
 void LCodeGen::DoDeferredStackCheck(LStackCheck* instr) {
   PushSafepointRegistersScope scope(this);
   __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
   __ CallRuntimeSaveDoubles(Runtime::kStackGuard);
   RecordSafepointWithLazyDeopt(instr, RECORD_SAFEPOINT_WITH_REGISTERS, 0);
   ASSERT(instr->HasEnvironment());
   LEnvironment* env = instr->environment();
   safepoints_.RecordLazyDeoptimizationIndex(env->deoptimization_index());
 }
 
@@ skipping 148 matching lines @@
                                FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64