b63de989db
If a JSCallFunction node doesn't have any callee information, either from feedback taken on input nodes, i.e. on property loads, or from the CallIC, we insert a soft deoptimization exit instead. R=jarin@chromium.org BUG=v8:5267 Review-Url: https://codereview.chromium.org/2361773002 Cr-Commit-Position: refs/heads/master@{#39619}
99 lines
6.1 KiB
C++
99 lines
6.1 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_DEOPTIMIZE_REASON_H_
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#define V8_DEOPTIMIZE_REASON_H_
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#include "src/globals.h"
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namespace v8 {
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namespace internal {
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#define DEOPTIMIZE_REASON_LIST(V) \
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V(AccessCheck, "Access check needed") \
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V(NoReason, "no reason") \
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V(ConstantGlobalVariableAssignment, "Constant global variable assignment") \
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V(ConversionOverflow, "conversion overflow") \
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V(DivisionByZero, "division by zero") \
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V(ElementsKindUnhandledInKeyedLoadGenericStub, \
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"ElementsKind unhandled in KeyedLoadGenericStub") \
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V(ExpectedHeapNumber, "Expected heap number") \
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V(ExpectedSmi, "Expected smi") \
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V(ForcedDeoptToRuntime, "Forced deopt to runtime") \
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V(Hole, "hole") \
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V(InstanceMigrationFailed, "instance migration failed") \
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V(InsufficientTypeFeedbackForCall, "Insufficient type feedback for call") \
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V(InsufficientTypeFeedbackForCallWithArguments, \
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"Insufficient type feedback for call with arguments") \
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V(FastPathFailed, "Falling off the fast path") \
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V(InsufficientTypeFeedbackForCombinedTypeOfBinaryOperation, \
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"Insufficient type feedback for combined type of binary operation") \
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V(InsufficientTypeFeedbackForGenericNamedAccess, \
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"Insufficient type feedback for generic named access") \
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V(InsufficientTypeFeedbackForGenericKeyedAccess, \
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"Insufficient type feedback for generic keyed access") \
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V(InsufficientTypeFeedbackForLHSOfBinaryOperation, \
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"Insufficient type feedback for LHS of binary operation") \
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V(InsufficientTypeFeedbackForRHSOfBinaryOperation, \
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"Insufficient type feedback for RHS of binary operation") \
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V(KeyIsNegative, "key is negative") \
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V(LostPrecision, "lost precision") \
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V(LostPrecisionOrNaN, "lost precision or NaN") \
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V(MementoFound, "memento found") \
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V(MinusZero, "minus zero") \
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V(NaN, "NaN") \
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V(NegativeKeyEncountered, "Negative key encountered") \
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V(NegativeValue, "negative value") \
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V(NoCache, "no cache") \
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V(NonStrictElementsInKeyedLoadGenericStub, \
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"non-strict elements in KeyedLoadGenericStub") \
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V(NotAHeapNumber, "not a heap number") \
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V(NotAHeapNumberUndefinedBoolean, "not a heap number/undefined/true/false") \
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V(NotAHeapNumberUndefined, "not a heap number/undefined") \
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V(NotAJavaScriptObject, "not a JavaScript object") \
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V(NotASmi, "not a Smi") \
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V(OutOfBounds, "out of bounds") \
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V(OutsideOfRange, "Outside of range") \
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V(Overflow, "overflow") \
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V(Proxy, "proxy") \
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V(ReceiverWasAGlobalObject, "receiver was a global object") \
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V(Smi, "Smi") \
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V(TooManyArguments, "too many arguments") \
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V(TracingElementsTransitions, "Tracing elements transitions") \
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V(TypeMismatchBetweenFeedbackAndConstant, \
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"Type mismatch between feedback and constant") \
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V(UnexpectedCellContentsInConstantGlobalStore, \
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"Unexpected cell contents in constant global store") \
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V(UnexpectedCellContentsInGlobalStore, \
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"Unexpected cell contents in global store") \
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V(UnexpectedObject, "unexpected object") \
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V(UnexpectedRHSOfBinaryOperation, "Unexpected RHS of binary operation") \
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V(UnknownMapInPolymorphicAccess, "Unknown map in polymorphic access") \
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V(UnknownMapInPolymorphicCall, "Unknown map in polymorphic call") \
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V(UnknownMapInPolymorphicElementAccess, \
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"Unknown map in polymorphic element access") \
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V(UnknownMap, "Unknown map") \
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V(ValueMismatch, "value mismatch") \
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V(WrongInstanceType, "wrong instance type") \
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V(WrongMap, "wrong map") \
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V(UndefinedOrNullInForIn, "null or undefined in for-in") \
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V(UndefinedOrNullInToObject, "null or undefined in ToObject")
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enum class DeoptimizeReason : uint8_t {
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#define DEOPTIMIZE_REASON(Name, message) k##Name,
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DEOPTIMIZE_REASON_LIST(DEOPTIMIZE_REASON)
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#undef DEOPTIMIZE_REASON
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};
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std::ostream& operator<<(std::ostream&, DeoptimizeReason);
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size_t hash_value(DeoptimizeReason reason);
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char const* DeoptimizeReasonToString(DeoptimizeReason reason);
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} // namespace internal
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} // namespace v8
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#endif // V8_DEOPTIMIZE_REASON_H_
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