[crankshaft] Remove useless HCallFunction instruction.

src/crankshaft/x64/lithium-codegen-x64.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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/crankshaft/x64/lithium-codegen-x64.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 3656 matching lines @@
     ParameterCount count(instr->arity());
     __ InvokeFunction(rdi, no_reg, count, CALL_FUNCTION, generator);
   } else {
     CallKnownFunction(known_function,
                       instr->hydrogen()->formal_parameter_count(),
                       instr->arity(), instr);
   }
 }
 
 
-void LCodeGen::DoCallFunction(LCallFunction* instr) {
-  HCallFunction* hinstr = instr->hydrogen();
-  DCHECK(ToRegister(instr->context()).is(rsi));
-  DCHECK(ToRegister(instr->function()).is(rdi));
-  DCHECK(ToRegister(instr->result()).is(rax));
-
-  int arity = instr->arity();
-
-  ConvertReceiverMode mode = hinstr->convert_mode();
-  if (hinstr->HasVectorAndSlot()) {
-    Register slot_register = ToRegister(instr->temp_slot());
-    Register vector_register = ToRegister(instr->temp_vector());
-    DCHECK(slot_register.is(rdx));
-    DCHECK(vector_register.is(rbx));
-
-    AllowDeferredHandleDereference vector_structure_check;
-    Handle<TypeFeedbackVector> vector = hinstr->feedback_vector();
-    int index = vector->GetIndex(hinstr->slot());
-
-    __ Move(vector_register, vector);
-    __ Move(slot_register, Smi::FromInt(index));
-
-    Handle<Code> ic =
-        CodeFactory::CallICInOptimizedCode(isolate(), arity, mode).code();
-    CallCode(ic, RelocInfo::CODE_TARGET, instr);
-  } else {
-    __ Set(rax, arity);
-    CallCode(isolate()->builtins()->Call(mode), RelocInfo::CODE_TARGET, instr);
-  }
-}
-
-
 void LCodeGen::DoCallNewArray(LCallNewArray* instr) {
   DCHECK(ToRegister(instr->context()).is(rsi));
   DCHECK(ToRegister(instr->constructor()).is(rdi));
   DCHECK(ToRegister(instr->result()).is(rax));
 
   __ Set(rax, instr->arity());
   if (instr->arity() == 1) {
     // We only need the allocation site for the case we have a length argument.
     // The case may bail out to the runtime, which will determine the correct
     // elements kind with the site.
@@ skipping 1860 matching lines @@
   __ movp(Operand(rbp, StandardFrameConstants::kContextOffset), context);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64