[stubs] Drop LoadICStub and LoadICTrampolineStub (the non-TurboFan implementations of LoadIC dispatc

src/ia32/code-stubs-ia32.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_IA32
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 3001 matching lines @@
   __ mov(ebx, MemOperand(ebp, parameter_count_offset));
   masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE);
   __ pop(ecx);
   int additional_offset =
       function_mode() == JS_FUNCTION_STUB_MODE ? kPointerSize : 0;
   __ lea(esp, MemOperand(esp, ebx, times_pointer_size, additional_offset));
   __ jmp(ecx);  // Return to IC Miss stub, continuation still on stack.
 }
 
 
-void LoadICTrampolineStub::Generate(MacroAssembler* masm) {
-  __ EmitLoadTypeFeedbackVector(LoadWithVectorDescriptor::VectorRegister());
-  LoadICStub stub(isolate());
-  stub.GenerateForTrampoline(masm);
-}
-
-
 void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) {
   __ EmitLoadTypeFeedbackVector(LoadWithVectorDescriptor::VectorRegister());
   KeyedLoadICStub stub(isolate());
   stub.GenerateForTrampoline(masm);
 }
 
 
 static void HandleArrayCases(MacroAssembler* masm, Register receiver,
                              Register key, Register vector, Register slot,
                              Register feedback, bool is_polymorphic,
@@ skipping 99 matching lines @@
   __ bind(&compare_smi_map);
   __ CompareRoot(ic_map, Heap::kHeapNumberMapRootIndex);
   __ j(not_equal, miss);
   __ mov(handler, FieldOperand(vector, slot, times_half_pointer_size,
                                FixedArray::kHeaderSize + kPointerSize));
   __ lea(handler, FieldOperand(handler, Code::kHeaderSize));
   __ jmp(handler);
 }
 
 
-void LoadICStub::Generate(MacroAssembler* masm) { GenerateImpl(masm, false); }
-
-
-void LoadICStub::GenerateForTrampoline(MacroAssembler* masm) {
-  GenerateImpl(masm, true);
-}
-
-
-void LoadICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) {
-  Register receiver = LoadWithVectorDescriptor::ReceiverRegister();  // edx
-  Register name = LoadWithVectorDescriptor::NameRegister();          // ecx
-  Register vector = LoadWithVectorDescriptor::VectorRegister();      // ebx
-  Register slot = LoadWithVectorDescriptor::SlotRegister();          // eax
-  Register scratch = edi;
-  __ mov(scratch, FieldOperand(vector, slot, times_half_pointer_size,
-                               FixedArray::kHeaderSize));
-
-  // Is it a weak cell?
-  Label try_array;
-  Label not_array, smi_key, key_okay, miss;
-  __ CompareRoot(FieldOperand(scratch, 0), Heap::kWeakCellMapRootIndex);
-  __ j(not_equal, &try_array);
-  HandleMonomorphicCase(masm, receiver, name, vector, slot, scratch, &miss);
-
-  // Is it a fixed array?
-  __ bind(&try_array);
-  __ CompareRoot(FieldOperand(scratch, 0), Heap::kFixedArrayMapRootIndex);
-  __ j(not_equal, &not_array);
-  HandleArrayCases(masm, receiver, name, vector, slot, scratch, true, &miss);
-
-  __ bind(&not_array);
-  __ CompareRoot(scratch, Heap::kmegamorphic_symbolRootIndex);
-  __ j(not_equal, &miss);
-  __ push(slot);
-  __ push(vector);
-  masm->isolate()->load_stub_cache()->GenerateProbe(masm, receiver, name,
-                                                    vector, scratch);
-  __ pop(vector);
-  __ pop(slot);
-
-  __ bind(&miss);
-  LoadIC::GenerateMiss(masm);
-}
-
-
 void KeyedLoadICStub::Generate(MacroAssembler* masm) {
   GenerateImpl(masm, false);
 }
 
 
 void KeyedLoadICStub::GenerateForTrampoline(MacroAssembler* masm) {
   GenerateImpl(masm, true);
 }
 
 
@@ skipping 2000 matching lines @@
                            kStackUnwindSpace, nullptr, return_value_operand,
                            NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32