2016-04-18 08:28:33 +00:00
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// 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_COMPILER_EFFECT_CONTROL_LINEARIZER_H_
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#define V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_
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#include "src/compiler/common-operator.h"
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#include "src/compiler/node.h"
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#include "src/compiler/simplified-operator.h"
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namespace v8 {
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namespace internal {
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class Zone;
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namespace compiler {
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class CommonOperatorBuilder;
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class SimplifiedOperatorBuilder;
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class MachineOperatorBuilder;
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class JSGraph;
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class Graph;
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class Schedule;
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class EffectControlLinearizer {
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public:
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EffectControlLinearizer(JSGraph* graph, Schedule* schedule, Zone* temp_zone);
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void Run();
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private:
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void ProcessNode(Node* node, Node** current_effect, Node** control);
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struct ValueEffectControl {
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Node* value;
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Node* effect;
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Node* control;
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ValueEffectControl(Node* value, Node* effect, Node* control)
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: value(value), effect(effect), control(control) {}
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};
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bool TryWireInStateEffect(Node* node, Node** effect, Node** control);
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ValueEffectControl LowerChangeInt32ToTagged(Node* node, Node* effect,
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Node* control);
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ValueEffectControl LowerChangeUint32ToTagged(Node* node, Node* effect,
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Node* control);
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ValueEffectControl LowerChangeFloat64ToTagged(Node* node, Node* effect,
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Node* control);
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2016-04-25 12:40:46 +00:00
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ValueEffectControl LowerChangeTaggedToInt32(Node* node, Node* effect,
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Node* control);
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ValueEffectControl LowerChangeTaggedToUint32(Node* node, Node* effect,
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Node* control);
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ValueEffectControl LowerChangeTaggedToFloat64(Node* node, Node* effect,
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Node* control);
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ValueEffectControl LowerTruncateTaggedToWord32(Node* node, Node* effect,
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Node* control);
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2016-04-25 06:12:37 +00:00
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ValueEffectControl LowerObjectIsCallable(Node* node, Node* effect,
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Node* control);
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ValueEffectControl LowerObjectIsNumber(Node* node, Node* effect,
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Node* control);
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ValueEffectControl LowerObjectIsReceiver(Node* node, Node* effect,
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Node* control);
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ValueEffectControl LowerObjectIsString(Node* node, Node* effect,
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Node* control);
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ValueEffectControl LowerObjectIsUndetectable(Node* node, Node* effect,
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Node* control);
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2016-04-18 08:28:33 +00:00
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ValueEffectControl AllocateHeapNumberWithValue(Node* node, Node* effect,
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Node* control);
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Node* ChangeInt32ToSmi(Node* value);
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Node* ChangeUint32ToSmi(Node* value);
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Node* ChangeInt32ToFloat64(Node* value);
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Node* ChangeUint32ToFloat64(Node* value);
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Node* SmiMaxValueConstant();
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Node* SmiShiftBitsConstant();
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JSGraph* jsgraph() const { return js_graph_; }
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Graph* graph() const;
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Schedule* schedule() const { return schedule_; }
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Zone* temp_zone() const { return temp_zone_; }
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CommonOperatorBuilder* common() const;
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SimplifiedOperatorBuilder* simplified() const;
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MachineOperatorBuilder* machine() const;
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JSGraph* js_graph_;
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Schedule* schedule_;
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Zone* temp_zone_;
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};
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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#endif // V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_
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