| // Copyright 2016 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_COMPILER_EFFECT_CONTROL_LINEARIZER_H_ |
| #define V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_ |
| |
| #include "src/compiler/common-operator.h" |
| #include "src/compiler/graph-assembler.h" |
| #include "src/compiler/node.h" |
| #include "src/compiler/simplified-operator.h" |
| #include "src/globals.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // Forward declarations. |
| class Callable; |
| class Zone; |
| |
| namespace compiler { |
| |
| class CommonOperatorBuilder; |
| class SimplifiedOperatorBuilder; |
| class MachineOperatorBuilder; |
| class JSGraph; |
| class Graph; |
| class Schedule; |
| class SourcePositionTable; |
| |
| class V8_EXPORT_PRIVATE EffectControlLinearizer { |
| public: |
| EffectControlLinearizer(JSGraph* graph, Schedule* schedule, Zone* temp_zone, |
| SourcePositionTable* source_positions); |
| |
| void Run(); |
| |
| private: |
| void ProcessNode(Node* node, Node** frame_state, Node** effect, |
| Node** control); |
| |
| bool TryWireInStateEffect(Node* node, Node* frame_state, Node** effect, |
| Node** control); |
| Node* LowerChangeBitToTagged(Node* node); |
| Node* LowerChangeInt31ToTaggedSigned(Node* node); |
| Node* LowerChangeInt32ToTagged(Node* node); |
| Node* LowerChangeUint32ToTagged(Node* node); |
| Node* LowerChangeFloat64ToTagged(Node* node); |
| Node* LowerChangeFloat64ToTaggedPointer(Node* node); |
| Node* LowerChangeTaggedSignedToInt32(Node* node); |
| Node* LowerChangeTaggedToBit(Node* node); |
| Node* LowerChangeTaggedToInt32(Node* node); |
| Node* LowerChangeTaggedToUint32(Node* node); |
| Node* LowerChangeTaggedToTaggedSigned(Node* node); |
| Node* LowerCheckBounds(Node* node, Node* frame_state); |
| Node* LowerCheckInternalizedString(Node* node, Node* frame_state); |
| Node* LowerCheckMaps(Node* node, Node* frame_state); |
| Node* LowerCheckNumber(Node* node, Node* frame_state); |
| Node* LowerCheckReceiver(Node* node, Node* frame_state); |
| Node* LowerCheckString(Node* node, Node* frame_state); |
| Node* LowerCheckSymbol(Node* node, Node* frame_state); |
| Node* LowerCheckIf(Node* node, Node* frame_state); |
| Node* LowerCheckedInt32Add(Node* node, Node* frame_state); |
| Node* LowerCheckedInt32Sub(Node* node, Node* frame_state); |
| Node* LowerCheckedInt32Div(Node* node, Node* frame_state); |
| Node* LowerCheckedInt32Mod(Node* node, Node* frame_state); |
| Node* LowerCheckedUint32Div(Node* node, Node* frame_state); |
| Node* LowerCheckedUint32Mod(Node* node, Node* frame_state); |
| Node* LowerCheckedInt32Mul(Node* node, Node* frame_state); |
| Node* LowerCheckedInt32ToTaggedSigned(Node* node, Node* frame_state); |
| Node* LowerCheckedUint32ToInt32(Node* node, Node* frame_state); |
| Node* LowerCheckedUint32ToTaggedSigned(Node* node, Node* frame_state); |
| Node* LowerCheckedFloat64ToInt32(Node* node, Node* frame_state); |
| Node* LowerCheckedTaggedSignedToInt32(Node* node, Node* frame_state); |
| Node* LowerCheckedTaggedToInt32(Node* node, Node* frame_state); |
| Node* LowerCheckedTaggedToFloat64(Node* node, Node* frame_state); |
| Node* LowerCheckedTaggedToTaggedSigned(Node* node, Node* frame_state); |
| Node* LowerCheckedTaggedToTaggedPointer(Node* node, Node* frame_state); |
| Node* LowerChangeTaggedToFloat64(Node* node); |
| Node* LowerTruncateTaggedToBit(Node* node); |
| Node* LowerTruncateTaggedPointerToBit(Node* node); |
| Node* LowerTruncateTaggedToFloat64(Node* node); |
| Node* LowerTruncateTaggedToWord32(Node* node); |
| Node* LowerCheckedTruncateTaggedToWord32(Node* node, Node* frame_state); |
| Node* LowerObjectIsDetectableCallable(Node* node); |
| Node* LowerObjectIsNaN(Node* node); |
| Node* LowerObjectIsNonCallable(Node* node); |
| Node* LowerObjectIsNumber(Node* node); |
| Node* LowerObjectIsReceiver(Node* node); |
| Node* LowerObjectIsSmi(Node* node); |
| Node* LowerObjectIsString(Node* node); |
| Node* LowerObjectIsSymbol(Node* node); |
| Node* LowerObjectIsUndetectable(Node* node); |
| Node* LowerArgumentsFrame(Node* node); |
| Node* LowerArgumentsLength(Node* node); |
| Node* LowerNewUnmappedArgumentsElements(Node* node); |
| Node* LowerArrayBufferWasNeutered(Node* node); |
| Node* LowerStringCharAt(Node* node); |
| Node* LowerStringCharCodeAt(Node* node); |
| Node* LowerSeqStringCharCodeAt(Node* node); |
| Node* LowerStringFromCharCode(Node* node); |
| Node* LowerStringFromCodePoint(Node* node); |
| Node* LowerStringIndexOf(Node* node); |
| Node* LowerStringEqual(Node* node); |
| Node* LowerStringLessThan(Node* node); |
| Node* LowerStringLessThanOrEqual(Node* node); |
| Node* LowerCheckFloat64Hole(Node* node, Node* frame_state); |
| Node* LowerCheckTaggedHole(Node* node, Node* frame_state); |
| Node* LowerConvertTaggedHoleToUndefined(Node* node); |
| Node* LowerPlainPrimitiveToNumber(Node* node); |
| Node* LowerPlainPrimitiveToWord32(Node* node); |
| Node* LowerPlainPrimitiveToFloat64(Node* node); |
| Node* LowerEnsureWritableFastElements(Node* node); |
| Node* LowerMaybeGrowFastElements(Node* node, Node* frame_state); |
| void LowerTransitionElementsKind(Node* node); |
| Node* LowerLoadTypedElement(Node* node); |
| void LowerStoreTypedElement(Node* node); |
| |
| // Lowering of optional operators. |
| Maybe<Node*> LowerFloat64RoundUp(Node* node); |
| Maybe<Node*> LowerFloat64RoundDown(Node* node); |
| Maybe<Node*> LowerFloat64RoundTiesEven(Node* node); |
| Maybe<Node*> LowerFloat64RoundTruncate(Node* node); |
| |
| Node* AllocateHeapNumberWithValue(Node* node); |
| Node* BuildCheckedFloat64ToInt32(CheckForMinusZeroMode mode, Node* value, |
| Node* frame_state); |
| Node* BuildCheckedHeapNumberOrOddballToFloat64(CheckTaggedInputMode mode, |
| Node* value, |
| Node* frame_state); |
| Node* BuildFloat64RoundDown(Node* value); |
| Node* LowerStringComparison(Callable const& callable, Node* node); |
| |
| Node* ChangeInt32ToSmi(Node* value); |
| Node* ChangeUint32ToSmi(Node* value); |
| Node* ChangeSmiToInt32(Node* value); |
| Node* ObjectIsSmi(Node* value); |
| |
| Node* SmiMaxValueConstant(); |
| Node* SmiShiftBitsConstant(); |
| |
| Factory* factory() const; |
| Isolate* isolate() const; |
| JSGraph* jsgraph() const { return js_graph_; } |
| Graph* graph() const; |
| Schedule* schedule() const { return schedule_; } |
| Zone* temp_zone() const { return temp_zone_; } |
| CommonOperatorBuilder* common() const; |
| SimplifiedOperatorBuilder* simplified() const; |
| MachineOperatorBuilder* machine() const; |
| |
| GraphAssembler* gasm() { return &graph_assembler_; } |
| |
| JSGraph* js_graph_; |
| Schedule* schedule_; |
| Zone* temp_zone_; |
| RegionObservability region_observability_ = RegionObservability::kObservable; |
| SourcePositionTable* source_positions_; |
| GraphAssembler graph_assembler_; |
| Node* frame_state_zapper_; // For tracking down compiler::Node::New crashes. |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_ |
