[strong] Refactor ObjectStrength into a replacement for strong boolean args

src/ic/ic.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 "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/base/bits.h"
@@ skipping 546 matching lines @@
 }
 
 
 void CompareIC::Clear(Isolate* isolate, Address address, Code* target,
                       Address constant_pool) {
   DCHECK(CodeStub::GetMajorKey(target) == CodeStub::CompareIC);
   CompareICStub stub(target->stub_key(), isolate);
   // Only clear CompareICs that can retain objects.
   if (stub.state() != CompareICState::KNOWN_OBJECT) return;
   SetTargetAtAddress(address,
-                     GetRawUninitialized(isolate, stub.op(), stub.strong()),
+                     GetRawUninitialized(isolate, stub.op(), stub.strength()),
                      constant_pool);
   PatchInlinedSmiCode(address, DISABLE_INLINED_SMI_CHECK);
 }
 
 
 // static
 Handle<Code> KeyedLoadIC::ChooseMegamorphicStub(Isolate* isolate) {
   if (FLAG_compiled_keyed_generic_loads) {
     return KeyedLoadGenericStub(isolate).GetCode();
   } else {
@@ skipping 1846 matching lines @@
 }
 
 
 MaybeHandle<Object> BinaryOpIC::Transition(
     Handle<AllocationSite> allocation_site, Handle<Object> left,
     Handle<Object> right) {
   BinaryOpICState state(isolate(), target()->extra_ic_state());
 
   // Compute the actual result using the builtin for the binary operation.
   Object* builtin = isolate()->js_builtins_object()->javascript_builtin(
-      TokenToJSBuiltin(state.op(), state.language_mode()));
+      TokenToJSBuiltin(state.op(), state.strength()));
   Handle<JSFunction> function = handle(JSFunction::cast(builtin), isolate());
   Handle<Object> result;
   ASSIGN_RETURN_ON_EXCEPTION(
       isolate(), result, Execution::Call(isolate(), function, left, 1, &right),
       Object);
 
   // Do not try to update the target if the code was marked for lazy
   // deoptimization. (Since we do not relocate addresses in these
   // code objects, an attempt to access the target could fail.)
   if (AddressIsDeoptimizedCode()) {
@@ skipping 80 matching lines @@
       args.at<Object>(BinaryOpWithAllocationSiteStub::kRight);
   BinaryOpIC ic(isolate);
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, result, ic.Transition(allocation_site, left, right));
   return *result;
 }
 
 
 Code* CompareIC::GetRawUninitialized(Isolate* isolate, Token::Value op,
-                                     bool strong) {
-  CompareICStub stub(isolate, op, strong, CompareICState::UNINITIALIZED,
+                                     Strength strength) {
+  CompareICStub stub(isolate, op, strength, CompareICState::UNINITIALIZED,
                      CompareICState::UNINITIALIZED,
                      CompareICState::UNINITIALIZED);
   Code* code = NULL;
   CHECK(stub.FindCodeInCache(&code));
   return code;
 }
 
 
 Handle<Code> CompareIC::GetUninitialized(Isolate* isolate, Token::Value op,
-                                         bool strong) {
-  CompareICStub stub(isolate, op, strong, CompareICState::UNINITIALIZED,
+                                         Strength strength) {
+  CompareICStub stub(isolate, op, strength, CompareICState::UNINITIALIZED,
                      CompareICState::UNINITIALIZED,
                      CompareICState::UNINITIALIZED);
   return stub.GetCode();
 }
 
 
 Code* CompareIC::UpdateCaches(Handle<Object> x, Handle<Object> y) {
   HandleScope scope(isolate());
   CompareICStub old_stub(target()->stub_key(), isolate());
   CompareICState::State new_left =
       CompareICState::NewInputState(old_stub.left(), x);
   CompareICState::State new_right =
       CompareICState::NewInputState(old_stub.right(), y);
   CompareICState::State state = CompareICState::TargetState(
       old_stub.state(), old_stub.left(), old_stub.right(), op_,
       HasInlinedSmiCode(address()), x, y);
-  CompareICStub stub(isolate(), op_, old_stub.strong(), new_left, new_right,
+  CompareICStub stub(isolate(), op_, old_stub.strength(), new_left, new_right,
                      state);
   if (state == CompareICState::KNOWN_OBJECT) {
     stub.set_known_map(
         Handle<Map>(Handle<JSObject>::cast(x)->map(), isolate()));
   }
   Handle<Code> new_target = stub.GetCode();
   set_target(*new_target);
 
   if (FLAG_trace_ic) {
     PrintF("[CompareIC in ");
@@ skipping 89 matching lines @@
 
 
 RUNTIME_FUNCTION(Unreachable) {
   UNREACHABLE();
   CHECK(false);
   return isolate->heap()->undefined_value();
 }
 
 
 Builtins::JavaScript BinaryOpIC::TokenToJSBuiltin(Token::Value op,
-                                                  LanguageMode language_mode) {
-  if (is_strong(language_mode)) {
+                                                  Strength strength) {
+  if (is_strong(strength)) {
     switch (op) {
       default: UNREACHABLE();
       case Token::ADD: return Builtins::ADD_STRONG;
       case Token::SUB: return Builtins::SUB_STRONG;
       case Token::MUL: return Builtins::MUL_STRONG;
       case Token::DIV: return Builtins::DIV_STRONG;
       case Token::MOD: return Builtins::MOD_STRONG;
       case Token::BIT_OR: return Builtins::BIT_OR_STRONG;
       case Token::BIT_AND: return Builtins::BIT_AND_STRONG;
       case Token::BIT_XOR: return Builtins::BIT_XOR_STRONG;
@@ skipping 211 matching lines @@
 static const Address IC_utilities[] = {
 #define ADDR(name) FUNCTION_ADDR(name),
     IC_UTIL_LIST(ADDR) NULL
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) { return IC_utilities[id]; }
 }  // namespace internal
 }  // namespace v8