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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 #ifndef V8_COMPILER_COMMON_OPERATOR_H_ | 5 #ifndef V8_COMPILER_COMMON_OPERATOR_H_ |
6 #define V8_COMPILER_COMMON_OPERATOR_H_ | 6 #define V8_COMPILER_COMMON_OPERATOR_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/compiler/frame-states.h" | 9 #include "src/compiler/frame-states.h" |
10 #include "src/deoptimize-reason.h" | 10 #include "src/deoptimize-reason.h" |
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164 | 164 |
165 std::ostream& operator<<(std::ostream&, RegionObservability); | 165 std::ostream& operator<<(std::ostream&, RegionObservability); |
166 | 166 |
167 RegionObservability RegionObservabilityOf(Operator const*) WARN_UNUSED_RESULT; | 167 RegionObservability RegionObservabilityOf(Operator const*) WARN_UNUSED_RESULT; |
168 | 168 |
169 std::ostream& operator<<(std::ostream& os, | 169 std::ostream& operator<<(std::ostream& os, |
170 const ZoneVector<MachineType>* types); | 170 const ZoneVector<MachineType>* types); |
171 | 171 |
172 Type* TypeGuardTypeOf(Operator const*) WARN_UNUSED_RESULT; | 172 Type* TypeGuardTypeOf(Operator const*) WARN_UNUSED_RESULT; |
173 | 173 |
| 174 int OsrValueIndexOf(Operator const*); |
| 175 |
| 176 enum class OsrGuardType { kUninitialized, kSignedSmall, kAny }; |
| 177 size_t hash_value(OsrGuardType type); |
| 178 std::ostream& operator<<(std::ostream&, OsrGuardType); |
| 179 OsrGuardType OsrGuardTypeOf(Operator const*); |
| 180 |
174 // Interface for building common operators that can be used at any level of IR, | 181 // Interface for building common operators that can be used at any level of IR, |
175 // including JavaScript, mid-level, and low-level. | 182 // including JavaScript, mid-level, and low-level. |
176 class CommonOperatorBuilder final : public ZoneObject { | 183 class CommonOperatorBuilder final : public ZoneObject { |
177 public: | 184 public: |
178 explicit CommonOperatorBuilder(Zone* zone); | 185 explicit CommonOperatorBuilder(Zone* zone); |
179 | 186 |
180 const Operator* Dead(); | 187 const Operator* Dead(); |
181 const Operator* End(size_t control_input_count); | 188 const Operator* End(size_t control_input_count); |
182 const Operator* Branch(BranchHint = BranchHint::kNone); | 189 const Operator* Branch(BranchHint = BranchHint::kNone); |
183 const Operator* IfTrue(); | 190 const Operator* IfTrue(); |
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195 const Operator* Terminate(); | 202 const Operator* Terminate(); |
196 | 203 |
197 const Operator* Start(int value_output_count); | 204 const Operator* Start(int value_output_count); |
198 const Operator* Loop(int control_input_count); | 205 const Operator* Loop(int control_input_count); |
199 const Operator* Merge(int control_input_count); | 206 const Operator* Merge(int control_input_count); |
200 const Operator* Parameter(int index, const char* debug_name = nullptr); | 207 const Operator* Parameter(int index, const char* debug_name = nullptr); |
201 | 208 |
202 const Operator* OsrNormalEntry(); | 209 const Operator* OsrNormalEntry(); |
203 const Operator* OsrLoopEntry(); | 210 const Operator* OsrLoopEntry(); |
204 const Operator* OsrValue(int index); | 211 const Operator* OsrValue(int index); |
| 212 const Operator* OsrGuard(OsrGuardType type); |
205 | 213 |
206 const Operator* Int32Constant(int32_t); | 214 const Operator* Int32Constant(int32_t); |
207 const Operator* Int64Constant(int64_t); | 215 const Operator* Int64Constant(int64_t); |
208 const Operator* Float32Constant(volatile float); | 216 const Operator* Float32Constant(volatile float); |
209 const Operator* Float64Constant(volatile double); | 217 const Operator* Float64Constant(volatile double); |
210 const Operator* ExternalConstant(const ExternalReference&); | 218 const Operator* ExternalConstant(const ExternalReference&); |
211 const Operator* NumberConstant(volatile double); | 219 const Operator* NumberConstant(volatile double); |
212 const Operator* HeapConstant(const Handle<HeapObject>&); | 220 const Operator* HeapConstant(const Handle<HeapObject>&); |
213 | 221 |
214 const Operator* RelocatableInt32Constant(int32_t value, | 222 const Operator* RelocatableInt32Constant(int32_t value, |
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255 Zone* const zone_; | 263 Zone* const zone_; |
256 | 264 |
257 DISALLOW_COPY_AND_ASSIGN(CommonOperatorBuilder); | 265 DISALLOW_COPY_AND_ASSIGN(CommonOperatorBuilder); |
258 }; | 266 }; |
259 | 267 |
260 } // namespace compiler | 268 } // namespace compiler |
261 } // namespace internal | 269 } // namespace internal |
262 } // namespace v8 | 270 } // namespace v8 |
263 | 271 |
264 #endif // V8_COMPILER_COMMON_OPERATOR_H_ | 272 #endif // V8_COMPILER_COMMON_OPERATOR_H_ |
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