Add Smi::Zero and replace all Smi::FromInt(0) calls

src/deoptimizer.cc

 // Copyright 2013 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/deoptimizer.h"
 
 #include <memory>
 
 #include "src/accessors.h"
 #include "src/ast/prettyprinter.h"
@@ skipping 1006 matching lines @@
   BailoutState state =
       goto_catch_handler
           ? BailoutState::TOS_REGISTER
           : FullCodeGenerator::BailoutStateField::decode(pc_and_state);
   output_frame->SetState(Smi::FromInt(static_cast<int>(state)));
 
   // Clear the context register. The context might be a de-materialized object
   // and will be materialized by {Runtime_NotifyDeoptimized}. For additional
   // safety we use Smi(0) instead of the potential {arguments_marker} here.
   if (is_topmost) {
-    intptr_t context_value = reinterpret_cast<intptr_t>(Smi::FromInt(0));
+    intptr_t context_value = reinterpret_cast<intptr_t>(Smi::kZero);
     Register context_reg = JavaScriptFrame::context_register();
     output_frame->SetRegister(context_reg.code(), context_value);
   }
 
   // Set the continuation for the topmost frame.
   if (is_topmost) {
     Builtins* builtins = isolate_->builtins();
     Code* continuation = builtins->builtin(Builtins::kNotifyDeoptimized);
     if (bailout_type_ == LAZY) {
       continuation = builtins->builtin(Builtins::kNotifyLazyDeoptimized);
@@ skipping 247 matching lines @@
       Register constant_pool_reg =
           InterpretedFrame::constant_pool_pointer_register();
       output_frame->SetRegister(constant_pool_reg.code(), constant_pool_value);
     }
   }
 
   // Clear the context register. The context might be a de-materialized object
   // and will be materialized by {Runtime_NotifyDeoptimized}. For additional
   // safety we use Smi(0) instead of the potential {arguments_marker} here.
   if (is_topmost) {
-    intptr_t context_value = reinterpret_cast<intptr_t>(Smi::FromInt(0));
+    intptr_t context_value = reinterpret_cast<intptr_t>(Smi::kZero);
     Register context_reg = JavaScriptFrame::context_register();
     output_frame->SetRegister(context_reg.code(), context_value);
   }
 
   // Set the continuation for the topmost frame.
   if (is_topmost) {
     Code* continuation = builtins->builtin(Builtins::kNotifyDeoptimized);
     if (bailout_type_ == LAZY) {
       continuation = builtins->builtin(Builtins::kNotifyLazyDeoptimized);
     } else if (bailout_type_ == SOFT) {
@@ skipping 346 matching lines @@
       Register constant_pool_reg =
           JavaScriptFrame::constant_pool_pointer_register();
       output_frame->SetRegister(constant_pool_reg.code(), fp_value);
     }
   }
 
   // Clear the context register. The context might be a de-materialized object
   // and will be materialized by {Runtime_NotifyDeoptimized}. For additional
   // safety we use Smi(0) instead of the potential {arguments_marker} here.
   if (is_topmost) {
-    intptr_t context_value = reinterpret_cast<intptr_t>(Smi::FromInt(0));
+    intptr_t context_value = reinterpret_cast<intptr_t>(Smi::kZero);
     Register context_reg = JavaScriptFrame::context_register();
     output_frame->SetRegister(context_reg.code(), context_value);
   }
 
   // Set the continuation for the topmost frame.
   if (is_topmost) {
     Builtins* builtins = isolate_->builtins();
     DCHECK_EQ(LAZY, bailout_type_);
     Code* continuation = builtins->builtin(Builtins::kNotifyLazyDeoptimized);
     output_frame->SetContinuation(
@@ skipping 163 matching lines @@
       Register constant_pool_reg =
           JavaScriptFrame::constant_pool_pointer_register();
       output_frame->SetRegister(constant_pool_reg.code(), fp_value);
     }
   }
 
   // Clear the context register. The context might be a de-materialized object
   // and will be materialized by {Runtime_NotifyDeoptimized}. For additional
   // safety we use Smi(0) instead of the potential {arguments_marker} here.
   if (is_topmost) {
-    intptr_t context_value = reinterpret_cast<intptr_t>(Smi::FromInt(0));
+    intptr_t context_value = reinterpret_cast<intptr_t>(Smi::kZero);
     Register context_reg = JavaScriptFrame::context_register();
     output_frame->SetRegister(context_reg.code(), context_value);
   }
 
   // Set the continuation for the topmost frame.
   if (is_topmost) {
     Builtins* builtins = isolate_->builtins();
     DCHECK_EQ(LAZY, bailout_type_);
     Code* continuation = builtins->builtin(Builtins::kNotifyLazyDeoptimized);
     output_frame->SetContinuation(
@@ skipping 2161 matching lines @@
       CHECK(value_info->IsMaterializedObject());
 
       value_info->value_ =
           Handle<Object>(previously_materialized_objects->get(i), isolate_);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8