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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 if (!FLAG_turbo_deoptimization) { | |
25 return 0; | |
26 } | |
27 switch (op->opcode()) { | 24 switch (op->opcode()) { |
28 case IrOpcode::kFrameState: | 25 case IrOpcode::kFrameState: |
29 return 1; | 26 return 1; |
30 case IrOpcode::kJSCallRuntime: { | 27 case IrOpcode::kJSCallRuntime: { |
31 const CallRuntimeParameters& p = CallRuntimeParametersOf(op); | 28 const CallRuntimeParameters& p = CallRuntimeParametersOf(op); |
32 return Linkage::NeedsFrameState(p.id()); | 29 return Linkage::NeedsFrameState(p.id()); |
33 } | 30 } |
34 | 31 |
35 // Strict equality cannot lazily deoptimize. | 32 // Strict equality cannot lazily deoptimize. |
36 case IrOpcode::kJSStrictEqual: | 33 case IrOpcode::kJSStrictEqual: |
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113 opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop || | 110 opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop || |
114 opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue || | 111 opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue || |
115 opcode == IrOpcode::kIfFalse || opcode == IrOpcode::kIfSuccess || | 112 opcode == IrOpcode::kIfFalse || opcode == IrOpcode::kIfSuccess || |
116 opcode == IrOpcode::kIfException || opcode == IrOpcode::kIfValue || | 113 opcode == IrOpcode::kIfException || opcode == IrOpcode::kIfValue || |
117 opcode == IrOpcode::kIfDefault; | 114 opcode == IrOpcode::kIfDefault; |
118 } | 115 } |
119 | 116 |
120 } // namespace compiler | 117 } // namespace compiler |
121 } // namespace internal | 118 } // namespace internal |
122 } // namespace v8 | 119 } // namespace v8 |
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