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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/compiler/operator-properties.h" | 5 #include "src/compiler/operator-properties.h" |
| 6 | 6 |
| 7 #include "src/compiler/js-operator.h" | 7 #include "src/compiler/js-operator.h" |
| 8 #include "src/compiler/linkage.h" | 8 #include "src/compiler/linkage.h" |
| 9 #include "src/compiler/opcodes.h" | 9 #include "src/compiler/opcodes.h" |
| 10 | 10 |
| 11 namespace v8 { | 11 namespace v8 { |
| 12 namespace internal { | 12 namespace internal { |
| 13 namespace compiler { | 13 namespace compiler { |
| 14 | 14 |
| 15 // static | 15 // static |
| 16 bool OperatorProperties::HasContextInput(const Operator* op) { | 16 bool OperatorProperties::HasContextInput(const Operator* op) { |
| 17 IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode()); | 17 IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode()); |
| 18 return IrOpcode::IsJsOpcode(opcode); | 18 return IrOpcode::IsJsOpcode(opcode); |
| 19 } | 19 } |
| 20 | 20 |
| 21 | 21 |
| 22 // static | 22 // static |
| 23 int OperatorProperties::GetFrameStateInputCount(const Operator* op) { | 23 int OperatorProperties::GetFrameStateInputCount(const Operator* op) { |
| 24 switch (op->opcode()) { | 24 switch (op->opcode()) { |
| 25 case IrOpcode::kCheckpoint: | 25 case IrOpcode::kCheckpoint: |
| 26 case IrOpcode::kFrameState: | 26 case IrOpcode::kFrameState: |
| 27 return 1; | 27 return 1; |
| 28 case IrOpcode::kJSCallRuntime: { | 28 case IrOpcode::kJSCallRuntime: { |
| 29 const CallRuntimeParameters& p = CallRuntimeParametersOf(op); | 29 const CallRuntimeParameters& p = CallRuntimeParametersOf(op); |
| 30 return Linkage::FrameStateInputCount(p.id()); | 30 return Linkage::NeedsFrameStateInput(p.id()) ? 1 : 0; |
| 31 } | 31 } |
| 32 | 32 |
| 33 // Strict equality cannot lazily deoptimize. | 33 // Strict equality cannot lazily deoptimize. |
| 34 case IrOpcode::kJSStrictEqual: | 34 case IrOpcode::kJSStrictEqual: |
| 35 case IrOpcode::kJSStrictNotEqual: | 35 case IrOpcode::kJSStrictNotEqual: |
| 36 return 0; | 36 return 0; |
| 37 | 37 |
| 38 // Compare operations | 38 // Compare operations |
| 39 case IrOpcode::kJSEqual: | 39 case IrOpcode::kJSEqual: |
| 40 case IrOpcode::kJSNotEqual: | 40 case IrOpcode::kJSNotEqual: |
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| 128 opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop || | 128 opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop || |
| 129 opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue || | 129 opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue || |
| 130 opcode == IrOpcode::kIfFalse || opcode == IrOpcode::kIfSuccess || | 130 opcode == IrOpcode::kIfFalse || opcode == IrOpcode::kIfSuccess || |
| 131 opcode == IrOpcode::kIfException || opcode == IrOpcode::kIfValue || | 131 opcode == IrOpcode::kIfException || opcode == IrOpcode::kIfValue || |
| 132 opcode == IrOpcode::kIfDefault; | 132 opcode == IrOpcode::kIfDefault; |
| 133 } | 133 } |
| 134 | 134 |
| 135 } // namespace compiler | 135 } // namespace compiler |
| 136 } // namespace internal | 136 } // namespace internal |
| 137 } // namespace v8 | 137 } // namespace v8 |
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