[turbofan] Assign proper types to various builtins.

src/compiler/typer.cc

 // Copyright 2014 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/compiler/typer.h"
 
 #include <iomanip>
 
 #include "src/base/flags.h"
 #include "src/bootstrapper.h"
@@ skipping 1442 matching lines @@
         case kArrayEntries:
         case kArrayKeys:
         case kArrayValues:
         case kTypedArrayEntries:
         case kTypedArrayKeys:
         case kTypedArrayValues:
         case kArrayIteratorNext:
           return Type::OtherObject();
 
         // Array functions.
+        case kArrayIsArray:
+          return Type::Boolean();
         case kArrayConcat:
           return Type::Receiver();
         case kArrayEvery:
           return Type::Boolean();
         case kArrayFill:
         case kArrayFilter:
           return Type::Receiver();
         case kArrayFindIndex:
           return Type::Range(-1, kMaxSafeInteger, t->zone());
         case kArrayForEach:
@@ skipping 14 matching lines @@
         case kArraySlice:
           return Type::Receiver();
         case kArraySome:
           return Type::Boolean();
         case kArraySplice:
           return Type::Receiver();
         case kArrayUnshift:
           return t->cache_.kPositiveSafeInteger;
 
         // Object functions.
+        case kObjectAssign:
+        case kObjectCreate:
+          return Type::OtherObject();
         case kObjectHasOwnProperty:
           return Type::Boolean();
 
         // RegExp functions.
         case kRegExpCompile:
           return Type::OtherObject();
         case kRegExpExec:
           return Type::Union(Type::OtherObject(), Type::Null(), t->zone());
         case kRegExpTest:
           return Type::Boolean();
         case kRegExpToString:
           return Type::String();
 
         // Function functions.
         case kFunctionHasInstance:
           return Type::Boolean();
 
         // Global functions.
         case kGlobalDecodeURI:
         case kGlobalDecodeURIComponent:
         case kGlobalEncodeURI:
         case kGlobalEncodeURIComponent:
         case kGlobalEscape:
         case kGlobalUnescape:
           return Type::String();
         case kGlobalIsFinite:
         case kGlobalIsNaN:
           return Type::Boolean();
+
+        // Map functions.
+        case kMapClear:
+        case kMapForEach:
+          return Type::Undefined();
+        case kMapDelete:
+        case kMapHas:
+          return Type::Boolean();
+        case kMapEntries:
+        case kMapKeys:
+        case kMapSet:
+        case kMapValues:
+          return Type::OtherObject();
+
+        // Set functions.
+        case kSetAdd:
+        case kSetEntries:
+        case kSetKeys:
+        case kSetValues:
+          return Type::OtherObject();
+        case kSetClear:
+        case kSetForEach:
+          return Type::Undefined();
+        case kSetDelete:
+        case kSetHas:
+          return Type::Boolean();
+
+        // WeakMap functions.
+        case kWeakMapDelete:
+        case kWeakMapHas:
+          return Type::Boolean();
+        case kWeakMapSet:
+          return Type::OtherObject();
+
+        // WeakSet functions.
+        case kWeakSetAdd:
+          return Type::OtherObject();
+        case kWeakSetDelete:
+        case kWeakSetHas:
+          return Type::Boolean();
         default:
           break;
       }
     }
   }
   return Type::NonInternal();
 }
 
 
 Type* Typer::Visitor::TypeJSCallFunction(Node* node) {
@@ skipping 348 matching lines @@
 Type* Typer::Visitor::TypeConstant(Handle<Object> value) {
   if (Type::IsInteger(*value)) {
     return Type::Range(value->Number(), value->Number(), zone());
   }
   return Type::NewConstant(value, zone());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8