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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_ELEMENTS_KIND_H_ | 5 #ifndef V8_ELEMENTS_KIND_H_ |
| 6 #define V8_ELEMENTS_KIND_H_ | 6 #define V8_ELEMENTS_KIND_H_ |
| 7 | 7 |
| 8 #include "src/base/macros.h" | 8 #include "src/base/macros.h" |
| 9 #include "src/checks.h" | 9 #include "src/checks.h" |
| 10 | 10 |
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| 151 } | 151 } |
| 152 | 152 |
| 153 | 153 |
| 154 inline bool IsHoleyElementsKind(ElementsKind kind) { | 154 inline bool IsHoleyElementsKind(ElementsKind kind) { |
| 155 return IsFastHoleyElementsKind(kind) || | 155 return IsFastHoleyElementsKind(kind) || |
| 156 kind == DICTIONARY_ELEMENTS; | 156 kind == DICTIONARY_ELEMENTS; |
| 157 } | 157 } |
| 158 | 158 |
| 159 | 159 |
| 160 inline bool IsFastPackedElementsKind(ElementsKind kind) { | 160 inline bool IsFastPackedElementsKind(ElementsKind kind) { |
| 161 return kind == FAST_SMI_ELEMENTS || | 161 return kind == FAST_SMI_ELEMENTS || kind == FAST_DOUBLE_ELEMENTS || |
| 162 kind == FAST_DOUBLE_ELEMENTS || | 162 kind == FAST_ELEMENTS; |
| 163 kind == FAST_ELEMENTS; | |
| 164 } | 163 } |
| 165 | 164 |
| 166 | 165 |
| 167 inline ElementsKind GetPackedElementsKind(ElementsKind holey_kind) { | 166 inline ElementsKind GetPackedElementsKind(ElementsKind holey_kind) { |
| 168 if (holey_kind == FAST_HOLEY_SMI_ELEMENTS) { | 167 if (holey_kind == FAST_HOLEY_SMI_ELEMENTS) { |
| 169 return FAST_SMI_ELEMENTS; | 168 return FAST_SMI_ELEMENTS; |
| 170 } | 169 } |
| 171 if (holey_kind == FAST_HOLEY_DOUBLE_ELEMENTS) { | 170 if (holey_kind == FAST_HOLEY_DOUBLE_ELEMENTS) { |
| 172 return FAST_DOUBLE_ELEMENTS; | 171 return FAST_DOUBLE_ELEMENTS; |
| 173 } | 172 } |
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| 214 | 213 |
| 215 inline bool IsTransitionableFastElementsKind(ElementsKind from_kind) { | 214 inline bool IsTransitionableFastElementsKind(ElementsKind from_kind) { |
| 216 return IsFastElementsKind(from_kind) && | 215 return IsFastElementsKind(from_kind) && |
| 217 from_kind != TERMINAL_FAST_ELEMENTS_KIND; | 216 from_kind != TERMINAL_FAST_ELEMENTS_KIND; |
| 218 } | 217 } |
| 219 | 218 |
| 220 | 219 |
| 221 } } // namespace v8::internal | 220 } } // namespace v8::internal |
| 222 | 221 |
| 223 #endif // V8_ELEMENTS_KIND_H_ | 222 #endif // V8_ELEMENTS_KIND_H_ |
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