[turbofan] Improve constant-folding for typeof.
Especially support constant-folding typeof for detectable and undetectable receivers. BUG=v8:5267,v8:5270 R=jarin@chromium.org Review-Url: https://codereview.chromium.org/2646743002 Cr-Commit-Position: refs/heads/master@{#42494}
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@ -861,18 +861,15 @@ Reduction JSTypedLowering::ReduceJSTypeOf(Node* node) {
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return Replace(jsgraph()->Constant(f->string_string()));
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} else if (type->Is(Type::Symbol())) {
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return Replace(jsgraph()->Constant(f->symbol_string()));
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} else if (type->Is(Type::Union(Type::Undefined(), Type::OtherUndetectable(),
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graph()->zone()))) {
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} else if (type->Is(Type::OtherUndetectableOrUndefined())) {
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return Replace(jsgraph()->Constant(f->undefined_string()));
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} else if (type->Is(Type::Null())) {
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} else if (type->Is(Type::NonCallableOrNull())) {
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return Replace(jsgraph()->Constant(f->object_string()));
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} else if (type->Is(Type::Function())) {
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return Replace(jsgraph()->Constant(f->function_string()));
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} else if (type->IsHeapConstant()) {
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return Replace(jsgraph()->Constant(
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Object::TypeOf(isolate(), type->AsHeapConstant()->Value())));
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} else if (type->IsOtherNumberConstant()) {
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return Replace(jsgraph()->Constant(f->number_string()));
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}
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return NoChange();
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@ -128,57 +128,64 @@ namespace compiler {
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V(OtherInternal, 1u << 24) \
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V(ExternalPointer, 1u << 25) \
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\
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V(Signed31, kUnsigned30 | kNegative31) \
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V(Signed32, kSigned31 | kOtherUnsigned31 | kOtherSigned32) \
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V(Signed32OrMinusZero, kSigned32 | kMinusZero) \
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V(Signed32OrMinusZeroOrNaN, kSigned32 | kMinusZero | kNaN) \
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V(Negative32, kNegative31 | kOtherSigned32) \
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V(Unsigned31, kUnsigned30 | kOtherUnsigned31) \
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V(Unsigned32, kUnsigned30 | kOtherUnsigned31 | \
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kOtherUnsigned32) \
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V(Unsigned32OrMinusZero, kUnsigned32 | kMinusZero) \
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V(Unsigned32OrMinusZeroOrNaN, kUnsigned32 | kMinusZero | kNaN) \
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V(Integral32, kSigned32 | kUnsigned32) \
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V(Integral32OrMinusZeroOrNaN, kIntegral32 | kMinusZero | kNaN) \
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V(PlainNumber, kIntegral32 | kOtherNumber) \
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V(OrderedNumber, kPlainNumber | kMinusZero) \
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V(MinusZeroOrNaN, kMinusZero | kNaN) \
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V(Number, kOrderedNumber | kNaN) \
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V(String, kInternalizedString | kOtherString) \
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V(UniqueName, kSymbol | kInternalizedString) \
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V(Name, kSymbol | kString) \
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V(BooleanOrNumber, kBoolean | kNumber) \
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V(BooleanOrNullOrNumber, kBooleanOrNumber | kNull) \
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V(BooleanOrNullOrUndefined, kBoolean | kNull | kUndefined) \
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V(NullOrNumber, kNull | kNumber) \
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V(NullOrUndefined, kNull | kUndefined) \
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V(Undetectable, kNullOrUndefined | kOtherUndetectable) \
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V(NumberOrOddball, kNumber | kNullOrUndefined | kBoolean | kHole) \
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V(NumberOrSimdOrString, kNumber | kSimd | kString) \
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V(NumberOrString, kNumber | kString) \
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V(NumberOrUndefined, kNumber | kUndefined) \
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V(PlainPrimitive, kNumberOrString | kBoolean | kNullOrUndefined) \
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V(Primitive, kSymbol | kSimd | kPlainPrimitive) \
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V(Proxy, kCallableProxy | kOtherProxy) \
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V(Callable, kFunction | kBoundFunction | kOtherCallable | \
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kCallableProxy | kOtherUndetectable) \
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V(DetectableObject, kFunction | kBoundFunction | kOtherCallable | \
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kOtherObject) \
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V(DetectableReceiver, kDetectableObject | kProxy) \
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V(DetectableReceiverOrNull, kDetectableReceiver | kNull) \
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V(Object, kDetectableObject | kOtherUndetectable) \
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V(Receiver, kObject | kProxy) \
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V(ReceiverOrUndefined, kReceiver | kUndefined) \
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V(ReceiverOrNullOrUndefined, kReceiver | kNull | kUndefined) \
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V(StringOrReceiver, kString | kReceiver) \
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V(Unique, kBoolean | kUniqueName | kNull | kUndefined | \
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kReceiver) \
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V(NonStringUniqueOrHole, kBoolean | kHole | kNull | kReceiver | \
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kSymbol | kUndefined) \
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V(Internal, kHole | kExternalPointer | kOtherInternal) \
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V(NonInternal, kPrimitive | kReceiver) \
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V(NonNumber, kUnique | kString | kInternal) \
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V(Any, 0xfffffffeu)
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V(Signed31, kUnsigned30 | kNegative31) \
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V(Signed32, kSigned31 | kOtherUnsigned31 | \
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kOtherSigned32) \
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V(Signed32OrMinusZero, kSigned32 | kMinusZero) \
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V(Signed32OrMinusZeroOrNaN, kSigned32 | kMinusZero | kNaN) \
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V(Negative32, kNegative31 | kOtherSigned32) \
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V(Unsigned31, kUnsigned30 | kOtherUnsigned31) \
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V(Unsigned32, kUnsigned30 | kOtherUnsigned31 | \
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kOtherUnsigned32) \
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V(Unsigned32OrMinusZero, kUnsigned32 | kMinusZero) \
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V(Unsigned32OrMinusZeroOrNaN, kUnsigned32 | kMinusZero | kNaN) \
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V(Integral32, kSigned32 | kUnsigned32) \
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V(Integral32OrMinusZeroOrNaN, kIntegral32 | kMinusZero | kNaN) \
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V(PlainNumber, kIntegral32 | kOtherNumber) \
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V(OrderedNumber, kPlainNumber | kMinusZero) \
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V(MinusZeroOrNaN, kMinusZero | kNaN) \
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V(Number, kOrderedNumber | kNaN) \
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V(String, kInternalizedString | kOtherString) \
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V(UniqueName, kSymbol | kInternalizedString) \
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V(Name, kSymbol | kString) \
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V(BooleanOrNumber, kBoolean | kNumber) \
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V(BooleanOrNullOrNumber, kBooleanOrNumber | kNull) \
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V(BooleanOrNullOrUndefined, kBoolean | kNull | kUndefined) \
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V(NullOrNumber, kNull | kNumber) \
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V(NullOrUndefined, kNull | kUndefined) \
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V(Undetectable, kNullOrUndefined | kOtherUndetectable) \
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V(NumberOrOddball, kNumber | kNullOrUndefined | kBoolean | \
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kHole) \
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V(NumberOrSimdOrString, kNumber | kSimd | kString) \
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V(NumberOrString, kNumber | kString) \
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V(NumberOrUndefined, kNumber | kUndefined) \
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V(PlainPrimitive, kNumberOrString | kBoolean | \
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kNullOrUndefined) \
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V(Primitive, kSymbol | kSimd | kPlainPrimitive) \
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V(OtherUndetectableOrUndefined, kOtherUndetectable | kUndefined) \
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V(Proxy, kCallableProxy | kOtherProxy) \
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V(Callable, kFunction | kBoundFunction | \
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kOtherCallable | kCallableProxy | \
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kOtherUndetectable) \
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V(NonCallable, kOtherObject | kOtherProxy) \
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V(NonCallableOrNull, kNonCallable | kNull) \
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V(DetectableObject, kFunction | kBoundFunction | \
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kOtherCallable | kOtherObject) \
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V(DetectableReceiver, kDetectableObject | kProxy) \
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V(DetectableReceiverOrNull, kDetectableReceiver | kNull) \
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V(Object, kDetectableObject | kOtherUndetectable) \
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V(Receiver, kObject | kProxy) \
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V(ReceiverOrUndefined, kReceiver | kUndefined) \
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V(ReceiverOrNullOrUndefined, kReceiver | kNull | kUndefined) \
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V(StringOrReceiver, kString | kReceiver) \
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V(Unique, kBoolean | kUniqueName | kNull | \
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kUndefined | kReceiver) \
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V(NonStringUniqueOrHole, kBoolean | kHole | kNull | kReceiver | \
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kSymbol | kUndefined) \
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V(Internal, kHole | kExternalPointer | kOtherInternal) \
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V(NonInternal, kPrimitive | kReceiver) \
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V(NonNumber, kUnique | kString | kInternal) \
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V(Any, 0xfffffffeu)
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// clang-format on
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