[crankshaft] Remove useless HCallJSFunction instruction.

src/crankshaft/arm64/lithium-codegen-arm64.cc

 // Copyright 2013 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 "src/crankshaft/arm64/lithium-codegen-arm64.h"
 
 #include "src/arm64/frames-arm64.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 1909 matching lines @@
       __ Add(target, target, Code::kHeaderSize - kHeapObjectTag);
       __ Call(target);
     }
     generator.AfterCall();
   }
 
   RecordPushedArgumentsDelta(instr->hydrogen()->argument_delta());
 }
 
 
-void LCodeGen::DoCallJSFunction(LCallJSFunction* instr) {
-  DCHECK(instr->IsMarkedAsCall());
-  DCHECK(ToRegister(instr->function()).is(x1));
-
-  // Change context.
-  __ Ldr(cp, FieldMemOperand(x1, JSFunction::kContextOffset));
-
-  // Always initialize new target and number of actual arguments.
-  __ LoadRoot(x3, Heap::kUndefinedValueRootIndex);
-  __ Mov(x0, instr->arity());
-
-  // Load the code entry address
-  __ Ldr(x10, FieldMemOperand(x1, JSFunction::kCodeEntryOffset));
-  __ Call(x10);
-
-  RecordSafepointWithLazyDeopt(instr, RECORD_SIMPLE_SAFEPOINT);
-  RecordPushedArgumentsDelta(instr->hydrogen()->argument_delta());
-}
-
-
 void LCodeGen::DoCallRuntime(LCallRuntime* instr) {
   CallRuntime(instr->function(), instr->arity(), instr);
   RecordPushedArgumentsDelta(instr->hydrogen()->argument_delta());
 }
 
 
 void LCodeGen::DoUnknownOSRValue(LUnknownOSRValue* instr) {
   GenerateOsrPrologue();
 }
 
@@ skipping 3712 matching lines @@
 
 
 void LCodeGen::DoStoreFrameContext(LStoreFrameContext* instr) {
   Register context = ToRegister(instr->context());
   __ Str(context, MemOperand(fp, StandardFrameConstants::kContextOffset));
 }
 
 
 }  // namespace internal
 }  // namespace v8