[builtins] Introduce specialized Call/CallFunction builtins.

src/globals.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_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 725 matching lines @@
   ALWAYS_ALIGN_CSP,
   COHERENT_CACHE,
   // PPC
   FPR_GPR_MOV,
   LWSYNC,
   ISELECT,
   NUMBER_OF_CPU_FEATURES
 };
 
 
+// Defines hints about receiver values based on structural knowledge.
+enum class ConvertReceiverMode : unsigned {
+  kNullOrUndefined,     // Guaranteed to be null or undefined.
+  kNotNullOrUndefined,  // Guaranteed to never be null or undefined.
+  kAny                  // No specific knowledge about receiver.
+};
+
+inline size_t hash_value(ConvertReceiverMode mode) {
+  return bit_cast<unsigned>(mode);
+}
+
+inline std::ostream& operator<<(std::ostream& os, ConvertReceiverMode mode) {
+  switch (mode) {
+    case ConvertReceiverMode::kNullOrUndefined:
+      return os << "NULL_OR_UNDEFINED";
+    case ConvertReceiverMode::kNotNullOrUndefined:
+      return os << "NOT_NULL_OR_UNDEFINED";
+    case ConvertReceiverMode::kAny:
+      return os << "ANY";
+  }
+  UNREACHABLE();
+  return os;
+}
+
+
 // Used to specify if a macro instruction must perform a smi check on tagged
 // values.
 enum SmiCheckType {
   DONT_DO_SMI_CHECK,
   DO_SMI_CHECK
 };
 
 
 enum ScopeType {
   EVAL_SCOPE,      // The top-level scope for an eval source.
@@ skipping 264 matching lines @@
   kind = static_cast<FunctionKind>(kind | FunctionKind::kInObjectLiteral);
   DCHECK(IsValidFunctionKind(kind));
   return kind;
 }
 }  // namespace internal
 }  // namespace v8
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_