[turbofan] Factor out the function specific part from the frame state operator.

src/compiler/frame-states.cc

 // Copyright 2015 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/base/functional.h"
 #include "src/compiler/frame-states.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 size_t hash_value(OutputFrameStateCombine const& sc) {
   return base::hash_combine(sc.kind_, sc.parameter_);
 }
 
 
 std::ostream& operator<<(std::ostream& os, OutputFrameStateCombine const& sc) {
   switch (sc.kind_) {
     case OutputFrameStateCombine::kPushOutput:
       if (sc.parameter_ == 0) return os << "Ignore";
       return os << "Push(" << sc.parameter_ << ")";
     case OutputFrameStateCombine::kPokeAt:
       return os << "PokeAt(" << sc.parameter_ << ")";
   }
   UNREACHABLE();
   return os;
 }
 
 
-bool operator==(FrameStateCallInfo const& lhs, FrameStateCallInfo const& rhs) {
+bool operator==(FrameStateInfo const& lhs, FrameStateInfo const& rhs) {
   return lhs.type() == rhs.type() && lhs.bailout_id() == rhs.bailout_id() &&
-         lhs.state_combine() == rhs.state_combine();
+         lhs.state_combine() == rhs.state_combine() &&
+         lhs.function_info() == rhs.function_info();
 }
 
 
-bool operator!=(FrameStateCallInfo const& lhs, FrameStateCallInfo const& rhs) {
+bool operator!=(FrameStateInfo const& lhs, FrameStateInfo const& rhs) {
   return !(lhs == rhs);
 }
 
 
-size_t hash_value(FrameStateCallInfo const& info) {
-  return base::hash_combine(info.type(), info.bailout_id(),
+size_t hash_value(FrameStateInfo const& info) {
+  return base::hash_combine(static_cast<int>(info.type()), info.bailout_id(),
                             info.state_combine());
 }
 
 
-std::ostream& operator<<(std::ostream& os, FrameStateCallInfo const& info) {
+std::ostream& operator<<(std::ostream& os, FrameStateType type) {
+  switch (type) {
+    case FrameStateType::kJavaScriptFunction:
+      os << "JS_FRAME";
+      break;
+    case FrameStateType::kArgumentsAdaptor:
+      os << "ARGUMENTS_ADAPTOR";
+      break;
+  }
+  return os;
+}
+
+
+std::ostream& operator<<(std::ostream& os, FrameStateInfo const& info) {
   os << info.type() << ", " << info.bailout_id() << ", "
      << info.state_combine();
   Handle<SharedFunctionInfo> shared_info;
   if (info.shared_info().ToHandle(&shared_info)) {
     os << ", " << Brief(*shared_info);
   }
   return os;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8