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

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 7a803622f1ffd3ddb015bc1e40ceb7a018b7a298..066808b4fb1352a301f898618ca3d066339e66c4 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -46,7 +46,6 @@ class ObjectLiteral;
   V(StoreIC)                                  \
   V(KeyedStoreIC)                             \
   V(KeyedLoadIC)                              \
-  V(LoadIC)                                   \
   V(LoadGlobalIC)                             \
   V(FastNewObject)                            \
   V(FastNewRestParameter)                     \
@@ -61,7 +60,6 @@ class ObjectLiteral;
   /* version of the corresponding stub is  */ \
   /* used universally */                      \
   V(CallICTrampoline)                         \
-  V(LoadICTrampoline)                         \
   V(KeyedLoadICTrampoline)                    \
   V(KeyedStoreICTrampoline)                   \
   V(StoreICTrampoline)                        \
@@ -2051,16 +2049,6 @@ class KeyedLoadGenericStub : public 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)
@@ -2094,14 +2082,15 @@ class LoadGlobalICTrampolineStub : public TurboFanCodeStub {
   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 {
@@ -2191,22 +2180,6 @@ class CallICTrampolineStub : public PlatformCodeStub {
   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) {}