Revert of Continue learning for calls in optimized code when we have no type feedback.

src/x64/lithium-x64.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.
 
 #include <sstream>
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
@@ skipping 250 matching lines @@
 
 
 void LInnerAllocatedObject::PrintDataTo(StringStream* stream) {
   stream->Add(" = ");
   base_object()->PrintTo(stream);
   stream->Add(" + ");
   offset()->PrintTo(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);
   stream->Add("#%d / ", arity());
 }
 
 
 void LCallWithDescriptor::PrintDataTo(StringStream* stream) {
   for (int i = 0; i < InputCount(); i++) {
     InputAt(i)->PrintTo(stream);
@@ skipping 972 matching lines @@
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* constructor = UseFixed(instr->constructor(), rdi);
   LCallNewArray* result = new(zone()) LCallNewArray(context, constructor);
   return MarkAsCall(DefineFixed(result, rax), 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);
+  LCallFunction* call = new(zone()) LCallFunction(context, function);
   return MarkAsCall(DefineFixed(call, rax), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoCallRuntime(HCallRuntime* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LCallRuntime* result = new(zone()) LCallRuntime(context);
   return MarkAsCall(DefineFixed(result, rax), instr);
 }
 
@@ skipping 1416 matching lines @@
   LOperand* function = UseRegisterAtStart(instr->function());
   LAllocateBlockContext* result =
       new(zone()) LAllocateBlockContext(context, function);
   return MarkAsCall(DefineFixed(result, rsi), instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64