[crankshaft] Remove useless HCallFunction instruction.

src/crankshaft/x64/lithium-x64.cc

Index: src/crankshaft/x64/lithium-x64.cc
diff --git a/src/crankshaft/x64/lithium-x64.cc b/src/crankshaft/x64/lithium-x64.cc
index 6be40931de0e283efcd44729930eb7ac7aa67a45..566ba2f191662444422add9bcf9bb980e5a07e61 100644
--- a/src/crankshaft/x64/lithium-x64.cc
+++ b/src/crankshaft/x64/lithium-x64.cc
@@ -261,20 +261,6 @@ void LInnerAllocatedObject::PrintDataTo(StringStream* stream) {
 }
 
 
-void LCallFunction::PrintDataTo(StringStream* stream) {
-  context()->PrintTo(stream);
-  stream->Add(" ");
-  function()->PrintTo(stream);
-  if (hydrogen()->HasVectorAndSlot()) {
-    stream->Add(" (type-feedback-vector ");
-    temp_vector()->PrintTo(stream);
-    stream->Add(" ");
-    temp_slot()->PrintTo(stream);
-    stream->Add(")");
-  }
-}
-
-
 void LCallJSFunction::PrintDataTo(StringStream* stream) {
   stream->Add("= ");
   function()->PrintTo(stream);
@@ -1234,21 +1220,6 @@ LInstruction* LChunkBuilder::DoCallNewArray(HCallNewArray* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) {
-  LOperand* context = UseFixed(instr->context(), rsi);
-  LOperand* function = UseFixed(instr->function(), rdi);
-  LOperand* slot = NULL;
-  LOperand* vector = NULL;
-  if (instr->HasVectorAndSlot()) {
-    slot = FixedTemp(rdx);
-    vector = FixedTemp(rbx);
-  }
-  LCallFunction* call =
-      new (zone()) LCallFunction(context, function, slot, vector);
-  return MarkAsCall(DefineFixed(call, rax), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoCallRuntime(HCallRuntime* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LCallRuntime* result = new(zone()) LCallRuntime(context);