[crankshaft] Remove useless HCallFunction instruction.

src/crankshaft/arm/lithium-arm.cc

Index: src/crankshaft/arm/lithium-arm.cc
diff --git a/src/crankshaft/arm/lithium-arm.cc b/src/crankshaft/arm/lithium-arm.cc
index d5590f5c05646c05533febd3ecfd3e861efdbed3..890afcda3dc301e9b063028d42d23fb8023ebcd4 100644
--- a/src/crankshaft/arm/lithium-arm.cc
+++ b/src/crankshaft/arm/lithium-arm.cc
@@ -248,20 +248,6 @@ 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);
@@ -1216,22 +1202,6 @@ LInstruction* LChunkBuilder::DoCallNewArray(HCallNewArray* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) {
-  LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* function = UseFixed(instr->function(), r1);
-  LOperand* slot = NULL;
-  LOperand* vector = NULL;
-  if (instr->HasVectorAndSlot()) {
-    slot = FixedTemp(r3);
-    vector = FixedTemp(r2);
-  }
-
-  LCallFunction* call =
-      new (zone()) LCallFunction(context, function, slot, vector);
-  return MarkAsCall(DefineFixed(call, r0), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoCallRuntime(HCallRuntime* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   return MarkAsCall(DefineFixed(new(zone()) LCallRuntime(context), r0), instr);