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// 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/node.h"
#include "src/compiler/simplified-operator.h"
namespace v8 {
namespace internal {
class Zone;
namespace compiler {
class CommonOperatorBuilder;
class SimplifiedOperatorBuilder;
class MachineOperatorBuilder;
class JSGraph;
class Graph;
class Schedule;
class EffectControlLinearizer {
public:
EffectControlLinearizer(JSGraph* graph, Schedule* schedule, Zone* temp_zone);
void Run();
private:
void ProcessNode(Node* node, Node** frame_state, Node** effect,
Node** control);
struct ValueEffectControl {
Node* value;
Node* effect;
Node* control;
ValueEffectControl(Node* value, Node* effect, Node* control)
: value(value), effect(effect), control(control) {}
};
bool TryWireInStateEffect(Node* node, Node* frame_state, Node** effect,
Node** control);
ValueEffectControl LowerChangeBitToTagged(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerChangeInt31ToTaggedSigned(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerChangeInt32ToTagged(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerChangeUint32ToTagged(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerChangeFloat64ToTagged(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerChangeTaggedSignedToInt32(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerChangeTaggedToBit(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerChangeTaggedToInt32(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerChangeTaggedToUint32(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerCheckBounds(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckMaps(Node* node, Node* frame_state, Node* effect,
Node* control);
ValueEffectControl LowerCheckNumber(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckString(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckIf(Node* node, Node* frame_state, Node* effect,
Node* control);
ValueEffectControl LowerCheckTaggedPointer(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckTaggedSigned(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedInt32Add(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedInt32Sub(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedInt32Div(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedInt32Mod(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedUint32Div(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedUint32Mod(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedInt32Mul(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedUint32ToInt32(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedFloat64ToInt32(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedTaggedSignedToInt32(Node* node,
Node* frame_state,
Node* effect,
Node* control);
ValueEffectControl LowerCheckedTaggedToInt32(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckedTaggedToFloat64(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerChangeTaggedToFloat64(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerTruncateTaggedToFloat64(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerTruncateTaggedToWord32(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerCheckedTruncateTaggedToWord32(Node* node,
Node* frame_state,
Node* effect,
Node* control);
ValueEffectControl LowerObjectIsCallable(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerObjectIsNumber(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerObjectIsReceiver(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerObjectIsSmi(Node* node, Node* effect, Node* control);
ValueEffectControl LowerObjectIsString(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerObjectIsUndetectable(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerStringCharCodeAt(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerStringFromCharCode(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerCheckFloat64Hole(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerCheckTaggedHole(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerConvertTaggedHoleToUndefined(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerPlainPrimitiveToNumber(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerPlainPrimitiveToWord32(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerPlainPrimitiveToFloat64(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerEnsureWritableFastElements(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerMaybeGrowFastElements(Node* node, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl LowerTransitionElementsKind(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerLoadTypedElement(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerStoreTypedElement(Node* node, Node* effect,
Node* control);
// Lowering of optional operators.
ValueEffectControl LowerFloat64RoundUp(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerFloat64RoundDown(Node* node, Node* effect,
Node* control);
ValueEffectControl LowerFloat64RoundTruncate(Node* node, Node* effect,
Node* control);
ValueEffectControl AllocateHeapNumberWithValue(Node* node, Node* effect,
Node* control);
ValueEffectControl BuildCheckedFloat64ToInt32(CheckForMinusZeroMode mode,
Node* value, Node* frame_state,
Node* effect, Node* control);
ValueEffectControl BuildCheckedHeapNumberOrOddballToFloat64(
CheckTaggedInputMode mode, Node* value, Node* frame_state, Node* effect,
Node* control);
Node* ChangeInt32ToSmi(Node* value);
Node* ChangeUint32ToSmi(Node* value);
Node* ChangeInt32ToFloat64(Node* value);
Node* ChangeUint32ToFloat64(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;
Operator const* ToNumberOperator();
JSGraph* js_graph_;
Schedule* schedule_;
Zone* temp_zone_;
RegionObservability region_observability_ = RegionObservability::kObservable;
SetOncePointer<Operator const> to_number_operator_;
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_
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