[crankshaft] Remove useless HCallJSFunction instruction.

src/crankshaft/x64/lithium-x64.h

 // Copyright 2012 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_CRANKSHAFT_X64_LITHIUM_X64_H_
 #define V8_CRANKSHAFT_X64_LITHIUM_X64_H_
 
 #include "src/crankshaft/hydrogen.h"
 #include "src/crankshaft/lithium.h"
 #include "src/crankshaft/lithium-allocator.h"
@@ skipping 11 matching lines @@
   V(AddI)                                    \
   V(Allocate)                                \
   V(ApplyArguments)                          \
   V(ArgumentsElements)                       \
   V(ArgumentsLength)                         \
   V(ArithmeticD)                             \
   V(ArithmeticT)                             \
   V(BitI)                                    \
   V(BoundsCheck)                             \
   V(Branch)                                  \
-  V(CallJSFunction)                          \
   V(CallWithDescriptor)                      \
   V(CallNewArray)                            \
   V(CallRuntime)                             \
   V(CheckArrayBufferNotNeutered)             \
   V(CheckInstanceType)                       \
   V(CheckMaps)                               \
   V(CheckMapValue)                           \
   V(CheckNonSmi)                             \
   V(CheckSmi)                                \
   V(CheckValue)                              \
@@ skipping 1664 matching lines @@
     inputs_[0] = context;
   }
 
   LOperand* context() { return inputs_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(DeclareGlobals, "declare-globals")
   DECLARE_HYDROGEN_ACCESSOR(DeclareGlobals)
 };
 
 
-class LCallJSFunction final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCallJSFunction(LOperand* function) {
-    inputs_[0] = function;
-  }
-
-  LOperand* function() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallJSFunction, "call-js-function")
-  DECLARE_HYDROGEN_ACCESSOR(CallJSFunction)
-
-  void PrintDataTo(StringStream* stream) override;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
 class LCallWithDescriptor final : public LTemplateResultInstruction<1> {
  public:
   LCallWithDescriptor(CallInterfaceDescriptor descriptor,
                       const ZoneList<LOperand*>& operands, Zone* zone)
       : inputs_(descriptor.GetRegisterParameterCount() +
                     kImplicitRegisterParameterCount,
                 zone) {
     DCHECK(descriptor.GetRegisterParameterCount() +
                kImplicitRegisterParameterCount ==
            operands.length());
@@ skipping 927 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_X64_LITHIUM_X64_H_