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

src/code-stubs.h

 // 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.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/code-stub-assembler.h"
@@ skipping 28 matching lines @@
   V(MathPow)                                  \
   V(ProfileEntryHook)                         \
   V(RecordWrite)                              \
   V(RegExpExec)                               \
   V(StoreBufferOverflow)                      \
   V(StoreElement)                             \
   V(SubString)                                \
   V(StoreIC)                                  \
   V(KeyedStoreIC)                             \
   V(KeyedLoadIC)                              \
-  V(LoadIC)                                   \
   V(LoadGlobalIC)                             \
   V(FastNewObject)                            \
   V(FastNewRestParameter)                     \
   V(FastNewSloppyArguments)                   \
   V(FastNewStrictArguments)                   \
   V(NameDictionaryLookup)                     \
   /* This can be removed once there are no */ \
   /* more deopting Hydrogen stubs. */         \
   V(StubFailureTrampoline)                    \
   /* These are only called from FCG */        \
   /* They can be removed when only the TF  */ \
   /* version of the corresponding stub is  */ \
   /* used universally */                      \
   V(CallICTrampoline)                         \
-  V(LoadICTrampoline)                         \
   V(KeyedLoadICTrampoline)                    \
   V(KeyedStoreICTrampoline)                   \
   V(StoreICTrampoline)                        \
   /* --- HydrogenCodeStubs --- */             \
   V(StringAdd)                                \
   /* These builtins w/ JS linkage are */      \
   /* just fast-cases of C++ builtins. They */ \
   /* require varg support from TF */          \
   V(FastArrayPush)                            \
   V(FastFunctionBind)                         \
@@ skipping 1969 matching lines @@
  public:
   explicit KeyedLoadGenericStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
 
   Code::Kind GetCodeKind() const override { return Code::KEYED_LOAD_IC; }
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadWithVector);
   DEFINE_HYDROGEN_CODE_STUB(KeyedLoadGeneric, HydrogenCodeStub);
 };
 
 
-class LoadICTrampolineStub : public PlatformCodeStub {
- public:
-  explicit LoadICTrampolineStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
-
-  Code::Kind GetCodeKind() const override { return Code::LOAD_IC; }
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(Load);
-  DEFINE_PLATFORM_CODE_STUB(LoadICTrampoline, PlatformCodeStub);
-};
-
 class LoadICTrampolineTFStub : public TurboFanCodeStub {
  public:
   explicit LoadICTrampolineTFStub(Isolate* isolate)
       : TurboFanCodeStub(isolate) {}
 
   void GenerateAssembly(CodeStubAssembler* assembler) const override;
 
   Code::Kind GetCodeKind() const override { return Code::LOAD_IC; }
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(Load);
@@ skipping 13 matching lines @@
   Code::Kind GetCodeKind() const override { return Code::LOAD_GLOBAL_IC; }
 
   ExtraICState GetExtraICState() const final {
     return static_cast<ExtraICState>(minor_key_);
   }
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadGlobal);
   DEFINE_CODE_STUB(LoadGlobalICTrampoline, TurboFanCodeStub);
 };
 
-class KeyedLoadICTrampolineStub : public LoadICTrampolineStub {
+class KeyedLoadICTrampolineStub : public PlatformCodeStub {
  public:
   explicit KeyedLoadICTrampolineStub(Isolate* isolate)
-      : LoadICTrampolineStub(isolate) {}
+      : PlatformCodeStub(isolate) {}
 
   Code::Kind GetCodeKind() const override { return Code::KEYED_LOAD_IC; }
 
-  DEFINE_PLATFORM_CODE_STUB(KeyedLoadICTrampoline, LoadICTrampolineStub);
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(Load);
+  DEFINE_PLATFORM_CODE_STUB(KeyedLoadICTrampoline, PlatformCodeStub);
 };
 
 class KeyedLoadICTrampolineTFStub : public LoadICTrampolineTFStub {
  public:
   explicit KeyedLoadICTrampolineTFStub(Isolate* isolate)
       : LoadICTrampolineTFStub(isolate) {}
 
   void GenerateAssembly(CodeStubAssembler* assembler) const override;
 
   Code::Kind GetCodeKind() const override { return Code::KEYED_LOAD_IC; }
@@ skipping 69 matching lines @@
 
  protected:
   CallICState state() const {
     return CallICState(static_cast<ExtraICState>(minor_key_));
   }
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(CallFunctionWithFeedback);
   DEFINE_PLATFORM_CODE_STUB(CallICTrampoline, PlatformCodeStub);
 };
 
-
-class LoadICStub : public PlatformCodeStub {
- public:
-  explicit LoadICStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
-
-  void GenerateForTrampoline(MacroAssembler* masm);
-
-  Code::Kind GetCodeKind() const override { return Code::LOAD_IC; }
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadWithVector);
-  DEFINE_PLATFORM_CODE_STUB(LoadIC, PlatformCodeStub);
-
- protected:
-  void GenerateImpl(MacroAssembler* masm, bool in_frame);
-};
-
 class LoadICTFStub : public TurboFanCodeStub {
  public:
   explicit LoadICTFStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   void GenerateAssembly(CodeStubAssembler* assembler) const override;
 
   Code::Kind GetCodeKind() const override { return Code::LOAD_IC; }
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(LoadWithVector);
   DEFINE_CODE_STUB(LoadICTF, TurboFanCodeStub);
@@ skipping 672 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromMachineType(MachineType type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_