| Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_ |
| 6 | #define V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_ |
| 7 | |
| 8 | #include "src/compiler/common-operator.h" |
| 9 | #include "src/compiler/node.h" |
| 10 | #include "src/compiler/simplified-operator.h" |
| 11 | |
| 12 | namespace v8 { |
| 13 | namespace internal { |
| 14 | |
| 15 | class Zone; |
| 16 | |
| 17 | namespace compiler { |
| 18 | |
| 19 | class CommonOperatorBuilder; |
| 20 | class SimplifiedOperatorBuilder; |
| 21 | class MachineOperatorBuilder; |
| 22 | class JSGraph; |
| 23 | class Graph; |
| 24 | class Schedule; |
| 25 | |
| 26 | class EffectControlLinearizer { |
| 27 | public: |
| 28 | EffectControlLinearizer(JSGraph* graph, Schedule* schedule, Zone* temp_zone); |
| 29 | |
| 30 | void Run(); |
| 31 | |
| 32 | private: |
| 33 | void ProcessNode(Node* node, Node** current_effect, Node** control); |
| 34 | |
| 35 | struct ValueEffectControl { |
| 36 | Node* value; |
| 37 | Node* effect; |
| 38 | Node* control; |
| 39 | ValueEffectControl(Node* value, Node* effect, Node* control) |
| 40 | : value(value), effect(effect), control(control) {} |
| 41 | }; |
| 42 | |
| 43 | bool TryWireInStateEffect(Node* node, Node** effect, Node** control); |
| 44 | ValueEffectControl LowerTypeGuard(Node* node, Node* effect, Node* control); |
| 45 | ValueEffectControl LowerChangeBitToTagged(Node* node, Node* effect, |
| 46 | Node* control); |
| 47 | ValueEffectControl LowerChangeInt31ToTaggedSigned(Node* node, Node* effect, |
| 48 | Node* control); |
| 49 | ValueEffectControl LowerChangeInt32ToTagged(Node* node, Node* effect, |
| 50 | Node* control); |
| 51 | ValueEffectControl LowerChangeUint32ToTagged(Node* node, Node* effect, |
| 52 | Node* control); |
| 53 | ValueEffectControl LowerChangeFloat64ToTagged(Node* node, Node* effect, |
| 54 | Node* control); |
| 55 | ValueEffectControl LowerChangeTaggedSignedToInt32(Node* node, Node* effect, |
| 56 | Node* control); |
| 57 | ValueEffectControl LowerChangeTaggedToBit(Node* node, Node* effect, |
| 58 | Node* control); |
| 59 | ValueEffectControl LowerChangeTaggedToInt32(Node* node, Node* effect, |
| 60 | Node* control); |
| 61 | ValueEffectControl LowerChangeTaggedToUint32(Node* node, Node* effect, |
| 62 | Node* control); |
| 63 | ValueEffectControl LowerChangeTaggedToFloat64(Node* node, Node* effect, |
| 64 | Node* control); |
| 65 | ValueEffectControl LowerTruncateTaggedToWord32(Node* node, Node* effect, |
| 66 | Node* control); |
| 67 | ValueEffectControl LowerObjectIsCallable(Node* node, Node* effect, |
| 68 | Node* control); |
| 69 | ValueEffectControl LowerObjectIsNumber(Node* node, Node* effect, |
| 70 | Node* control); |
| 71 | ValueEffectControl LowerObjectIsReceiver(Node* node, Node* effect, |
| 72 | Node* control); |
| 73 | ValueEffectControl LowerObjectIsSmi(Node* node, Node* effect, Node* control); |
| 74 | ValueEffectControl LowerObjectIsString(Node* node, Node* effect, |
| 75 | Node* control); |
| 76 | ValueEffectControl LowerObjectIsUndetectable(Node* node, Node* effect, |
| 77 | Node* control); |
| 78 | ValueEffectControl AllocateHeapNumberWithValue(Node* node, Node* effect, |
| 79 | Node* control); |
| 80 | |
| 81 | Node* ChangeInt32ToSmi(Node* value); |
| 82 | Node* ChangeUint32ToSmi(Node* value); |
| 83 | Node* ChangeInt32ToFloat64(Node* value); |
| 84 | Node* ChangeUint32ToFloat64(Node* value); |
| 85 | Node* ChangeSmiToInt32(Node* value); |
| 86 | Node* ObjectIsSmi(Node* value); |
| 87 | |
| 88 | Node* SmiMaxValueConstant(); |
| 89 | Node* SmiShiftBitsConstant(); |
| 90 | |
| 91 | JSGraph* jsgraph() const { return js_graph_; } |
| 92 | Graph* graph() const; |
| 93 | Schedule* schedule() const { return schedule_; } |
| 94 | Zone* temp_zone() const { return temp_zone_; } |
| 95 | CommonOperatorBuilder* common() const; |
| 96 | SimplifiedOperatorBuilder* simplified() const; |
| 97 | MachineOperatorBuilder* machine() const; |
| 98 | |
| 99 | JSGraph* js_graph_; |
| 100 | Schedule* schedule_; |
| 101 | Zone* temp_zone_; |
| 102 | }; |
| 103 | |
| 104 | } // namespace compiler |
| 105 | } // namespace internal |
| 106 | } // namespace v8 |
| 107 | |
| 108 | #endif // V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_ |