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| 1 // Copyright 2013 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_OPERATOR_PROPERTIES_INL_H_ | |
| 6 #define V8_COMPILER_OPERATOR_PROPERTIES_INL_H_ | |
| 7 | |
| 8 #include "src/compiler/common-operator.h" | |
| 9 #include "src/compiler/js-operator.h" | |
| 10 #include "src/compiler/linkage.h" | |
| 11 #include "src/compiler/opcodes.h" | |
| 12 #include "src/compiler/operator-properties.h" | |
| 13 | |
| 14 namespace v8 { | |
| 15 namespace internal { | |
| 16 namespace compiler { | |
| 17 | |
| 18 inline bool OperatorProperties::HasContextInput(const Operator* op) { | |
| 19 IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode()); | |
| 20 return IrOpcode::IsJsOpcode(opcode); | |
| 21 } | |
| 22 | |
| 23 inline bool OperatorProperties::HasFrameStateInput(const Operator* op) { | |
| 24 if (!FLAG_turbo_deoptimization) { | |
| 25 return false; | |
| 26 } | |
| 27 | |
| 28 switch (op->opcode()) { | |
| 29 case IrOpcode::kFrameState: | |
| 30 return true; | |
| 31 case IrOpcode::kJSCallRuntime: { | |
| 32 const CallRuntimeParameters& p = CallRuntimeParametersOf(op); | |
| 33 return Linkage::NeedsFrameState(p.id()); | |
| 34 } | |
| 35 | |
| 36 // Strict equality cannot lazily deoptimize. | |
| 37 case IrOpcode::kJSStrictEqual: | |
| 38 case IrOpcode::kJSStrictNotEqual: | |
| 39 return false; | |
| 40 | |
| 41 // Calls | |
| 42 case IrOpcode::kJSCallFunction: | |
| 43 case IrOpcode::kJSCallConstruct: | |
| 44 | |
| 45 // Compare operations | |
| 46 case IrOpcode::kJSEqual: | |
| 47 case IrOpcode::kJSGreaterThan: | |
| 48 case IrOpcode::kJSGreaterThanOrEqual: | |
| 49 case IrOpcode::kJSHasProperty: | |
| 50 case IrOpcode::kJSInstanceOf: | |
| 51 case IrOpcode::kJSLessThan: | |
| 52 case IrOpcode::kJSLessThanOrEqual: | |
| 53 case IrOpcode::kJSNotEqual: | |
| 54 | |
| 55 // Binary operations | |
| 56 case IrOpcode::kJSAdd: | |
| 57 case IrOpcode::kJSBitwiseAnd: | |
| 58 case IrOpcode::kJSBitwiseOr: | |
| 59 case IrOpcode::kJSBitwiseXor: | |
| 60 case IrOpcode::kJSDivide: | |
| 61 case IrOpcode::kJSLoadNamed: | |
| 62 case IrOpcode::kJSLoadProperty: | |
| 63 case IrOpcode::kJSModulus: | |
| 64 case IrOpcode::kJSMultiply: | |
| 65 case IrOpcode::kJSShiftLeft: | |
| 66 case IrOpcode::kJSShiftRight: | |
| 67 case IrOpcode::kJSShiftRightLogical: | |
| 68 case IrOpcode::kJSStoreNamed: | |
| 69 case IrOpcode::kJSStoreProperty: | |
| 70 case IrOpcode::kJSSubtract: | |
| 71 | |
| 72 // Conversions | |
| 73 case IrOpcode::kJSToObject: | |
| 74 | |
| 75 // Other | |
| 76 case IrOpcode::kJSDeleteProperty: | |
| 77 return true; | |
| 78 | |
| 79 default: | |
| 80 return false; | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 inline int OperatorProperties::GetContextInputCount(const Operator* op) { | |
| 85 return OperatorProperties::HasContextInput(op) ? 1 : 0; | |
| 86 } | |
| 87 | |
| 88 inline int OperatorProperties::GetFrameStateInputCount(const Operator* op) { | |
| 89 return OperatorProperties::HasFrameStateInput(op) ? 1 : 0; | |
| 90 } | |
| 91 | |
| 92 inline int OperatorProperties::GetTotalInputCount(const Operator* op) { | |
| 93 return op->ValueInputCount() + GetContextInputCount(op) + | |
| 94 GetFrameStateInputCount(op) + op->EffectInputCount() + | |
| 95 op->ControlInputCount(); | |
| 96 } | |
| 97 | |
| 98 // ----------------------------------------------------------------------------- | |
| 99 // Output properties. | |
| 100 | |
| 101 inline bool OperatorProperties::IsBasicBlockBegin(const Operator* op) { | |
| 102 uint8_t opcode = op->opcode(); | |
| 103 return opcode == IrOpcode::kStart || opcode == IrOpcode::kEnd || | |
| 104 opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop || | |
| 105 opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue || | |
| 106 opcode == IrOpcode::kIfFalse; | |
| 107 } | |
| 108 | |
| 109 } // namespace compiler | |
| 110 } // namespace internal | |
| 111 } // namespace v8 | |
| 112 | |
| 113 #endif // V8_COMPILER_OPERATOR_PROPERTIES_INL_H_ | |
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