[crankshaft] Remove useless HCallJSFunction instruction.

src/crankshaft/x87/lithium-codegen-x87.cc

 // 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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/crankshaft/x87/lithium-codegen-x87.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 3447 matching lines @@
       Register target = ToRegister(instr->target());
       generator.BeforeCall(__ CallSize(Operand(target)));
       __ add(target, Immediate(Code::kHeaderSize - kHeapObjectTag));
       __ call(target);
     }
     generator.AfterCall();
   }
 }
 
 
-void LCodeGen::DoCallJSFunction(LCallJSFunction* instr) {
-  DCHECK(ToRegister(instr->function()).is(edi));
-  DCHECK(ToRegister(instr->result()).is(eax));
-
-  // Change context.
-  __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
-
-  // Always initialize new target and number of actual arguments.
-  __ mov(edx, factory()->undefined_value());
-  __ mov(eax, instr->arity());
-
-  bool is_self_call = false;
-  if (instr->hydrogen()->function()->IsConstant()) {
-    HConstant* fun_const = HConstant::cast(instr->hydrogen()->function());
-    Handle<JSFunction> jsfun =
-      Handle<JSFunction>::cast(fun_const->handle(isolate()));
-    is_self_call = jsfun.is_identical_to(info()->closure());
-  }
-
-  if (is_self_call) {
-    __ CallSelf();
-  } else {
-    __ call(FieldOperand(edi, JSFunction::kCodeEntryOffset));
-  }
-
-  RecordSafepointWithLazyDeopt(instr, RECORD_SIMPLE_SAFEPOINT);
-}
-
-
 void LCodeGen::DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr) {
   Register input_reg = ToRegister(instr->value());
   __ cmp(FieldOperand(input_reg, HeapObject::kMapOffset),
          factory()->heap_number_map());
   DeoptimizeIf(not_equal, instr, Deoptimizer::kNotAHeapNumber);
 
   Label slow, allocated, done;
   Register tmp = input_reg.is(eax) ? ecx : eax;
   Register tmp2 = tmp.is(ecx) ? edx : input_reg.is(ecx) ? edx : ecx;
 
@@ skipping 2414 matching lines @@
   __ mov(Operand(ebp, StandardFrameConstants::kContextOffset), context);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87