[turbofan] First step towards sanitizing for-in and making it optimizable.

src/runtime/runtime.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_RUNTIME_RUNTIME_H_
 #define V8_RUNTIME_RUNTIME_H_
 
 #include "src/allocation.h"
 #include "src/objects.h"
 #include "src/zone.h"
@@ skipping 11 matching lines @@
 // * IDs are Runtime::k##name and Runtime::kInline##name, respectively.
 //
 // * All intrinsics have a C++ implementation Runtime_##name.
 //
 // * Each compiler has an explicit list of intrisics it supports, falling back
 //   to a simple runtime call if necessary.
 
 
 // Entries have the form F(name, number of arguments, number of values):
 
-#define FOR_EACH_INTRINSIC_ARRAY(F)                                   \
-  F(FinishArrayPrototypeSetup, 1, 1)                                  \
-  F(SpecialArrayFunctions, 0, 1)                                      \
-  F(TransitionElementsKind, 2, 1)                                     \
-  F(PushIfAbsent, 2, 1)                                               \
-  F(ArrayConcat, 1, 1)                                                \
-  F(RemoveArrayHoles, 2, 1)                                           \
-  F(MoveArrayContents, 2, 1)                                          \
-  F(EstimateNumberOfElements, 1, 1)                                   \
-  F(GetArrayKeys, 2, 1)                                               \
-  F(ArrayConstructor, -1, 1)                                          \
-  F(ArrayConstructorWithSubclassing, -1, 1)                           \
-  F(InternalArrayConstructor, -1, 1)                                  \
-  F(NormalizeElements, 1, 1)                                          \
-  F(GrowArrayElements, 2, 1)                                          \
-  F(HasComplexElements, 1, 1)                                         \
-  F(ForInCacheArrayLength, 2, 1) /* TODO(turbofan): Only temporary */ \
-  F(IsArray, 1, 1)                                                    \
-  F(HasCachedArrayIndex, 1, 1)                                        \
-  F(GetCachedArrayIndex, 1, 1)                                        \
-  F(FixedArrayGet, 2, 1)                                              \
-  F(FixedArraySet, 3, 1)                                              \
+#define FOR_EACH_INTRINSIC_ARRAY(F)         \
+  F(FinishArrayPrototypeSetup, 1, 1)        \
+  F(SpecialArrayFunctions, 0, 1)            \
+  F(TransitionElementsKind, 2, 1)           \
+  F(PushIfAbsent, 2, 1)                     \
+  F(ArrayConcat, 1, 1)                      \
+  F(RemoveArrayHoles, 2, 1)                 \
+  F(MoveArrayContents, 2, 1)                \
+  F(EstimateNumberOfElements, 1, 1)         \
+  F(GetArrayKeys, 2, 1)                     \
+  F(ArrayConstructor, -1, 1)                \
+  F(ArrayConstructorWithSubclassing, -1, 1) \
+  F(InternalArrayConstructor, -1, 1)        \
+  F(NormalizeElements, 1, 1)                \
+  F(GrowArrayElements, 2, 1)                \
+  F(HasComplexElements, 1, 1)               \
+  F(IsArray, 1, 1)                          \
+  F(HasCachedArrayIndex, 1, 1)              \
+  F(GetCachedArrayIndex, 1, 1)              \
+  F(FixedArrayGet, 2, 1)                    \
+  F(FixedArraySet, 3, 1)                    \
   F(FastOneByteArrayJoin, 2, 1)
 
 
 #define FOR_EACH_INTRINSIC_CLASSES(F)         \
   F(ThrowNonMethodError, 0, 1)                \
   F(ThrowUnsupportedSuperError, 0, 1)         \
   F(ThrowConstructorNonCallableError, 0, 1)   \
   F(ThrowArrayNotSubclassableError, 0, 1)     \
   F(ThrowStaticPrototypeError, 0, 1)          \
   F(ThrowIfStaticPrototype, 1, 1)             \
@@ skipping 117 matching lines @@
   F(DebugCallbackSupportsStepping, 1, 1)       \
   F(DebugPrepareStepInIfStepping, 1, 1)        \
   F(DebugPushPromise, 2, 1)                    \
   F(DebugPopPromise, 0, 1)                     \
   F(DebugPromiseEvent, 1, 1)                   \
   F(DebugAsyncTaskEvent, 1, 1)                 \
   F(DebugIsActive, 0, 1)                       \
   F(DebugBreakInOptimizedCode, 0, 1)
 
 
+#define FOR_EACH_INTRINSIC_FORIN(F) \
+  F(ForInDone, 2, 1)                \
+  F(ForInFilter, 2, 1)              \
+  F(ForInNext, 4, 1)                \
+  F(ForInStep, 1, 1)
+
+
 #define FOR_EACH_INTRINSIC_FUNCTION(F)                      \
   F(IsSloppyModeFunction, 1, 1)                             \
   F(FunctionGetName, 1, 1)                                  \
   F(FunctionSetName, 2, 1)                                  \
   F(FunctionNameShouldPrintAsAnonymous, 1, 1)               \
   F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1)           \
   F(FunctionIsArrow, 1, 1)                                  \
   F(FunctionIsConciseMethod, 1, 1)                          \
   F(FunctionRemovePrototype, 1, 1)                          \
   F(FunctionGetScript, 1, 1)                                \
@@ skipping 464 matching lines @@
   F(DataViewSetInt32, 4, 1)                  \
   F(DataViewSetFloat32, 4, 1)                \
   F(DataViewSetFloat64, 4, 1)
 
 
 #define FOR_EACH_INTRINSIC_URI(F) \
   F(URIEscape, 1, 1)              \
   F(URIUnescape, 1, 1)
 
 
-#define FOR_EACH_INTRINSIC_RETURN_PAIR(F)                 \
-  F(LoadLookupSlot, 2, 2)                                 \
-  F(LoadLookupSlotNoReferenceError, 2, 2)                 \
-  F(ResolvePossiblyDirectEval, 6, 2)                      \
-  F(ForInInit, 2, 2) /* TODO(turbofan): Only temporary */ \
-  F(ForInNext, 4, 2) /* TODO(turbofan): Only temporary */
+#define FOR_EACH_INTRINSIC_RETURN_PAIR(F) \
+  F(LoadLookupSlot, 2, 2)                 \
+  F(LoadLookupSlotNoReferenceError, 2, 2) \
+  F(ResolvePossiblyDirectEval, 6, 2)
 
 
 #define FOR_EACH_INTRINSIC_RETURN_OBJECT(F) \
   FOR_EACH_INTRINSIC_ARRAY(F)               \
   FOR_EACH_INTRINSIC_CLASSES(F)             \
   FOR_EACH_INTRINSIC_COLLECTIONS(F)         \
   FOR_EACH_INTRINSIC_COMPILER(F)            \
   FOR_EACH_INTRINSIC_DATE(F)                \
   FOR_EACH_INTRINSIC_DEBUG(F)               \
+  FOR_EACH_INTRINSIC_FORIN(F)               \
   FOR_EACH_INTRINSIC_FUNCTION(F)            \
   FOR_EACH_INTRINSIC_GENERATOR(F)           \
   FOR_EACH_INTRINSIC_I18N(F)                \
   FOR_EACH_INTRINSIC_INTERNAL(F)            \
   FOR_EACH_INTRINSIC_JSON(F)                \
   FOR_EACH_INTRINSIC_LITERALS(F)            \
   FOR_EACH_INTRINSIC_LIVEEDIT(F)            \
   FOR_EACH_INTRINSIC_MATHS(F)               \
   FOR_EACH_INTRINSIC_NUMBERS(F)             \
   FOR_EACH_INTRINSIC_OBJECT(F)              \
@@ skipping 181 matching lines @@
 
 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 STATIC_ASSERT(LANGUAGE_END == 3);
 class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 2> {};
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_H_