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1 // Copyright 2013 the V8 project authors. All rights reserved. | 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 | 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/hydrogen-uint32-analysis.h" | 5 #include "src/crankshaft/hydrogen-uint32-analysis.h" |
6 | 6 |
7 namespace v8 { | 7 namespace v8 { |
8 namespace internal { | 8 namespace internal { |
9 | 9 |
10 | 10 |
11 static bool IsUnsignedLoad(HLoadKeyed* instr) { | 11 static bool IsUnsignedLoad(HLoadKeyed* instr) { |
12 switch (instr->elements_kind()) { | 12 switch (instr->elements_kind()) { |
13 case UINT8_ELEMENTS: | 13 case UINT8_ELEMENTS: |
14 case UINT16_ELEMENTS: | 14 case UINT16_ELEMENTS: |
15 case UINT32_ELEMENTS: | 15 case UINT32_ELEMENTS: |
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228 // Some phis might have been optimistically marked with kUint32 flag. | 228 // Some phis might have been optimistically marked with kUint32 flag. |
229 // Remove this flag from those phis that are unsafe and propagate | 229 // Remove this flag from those phis that are unsafe and propagate |
230 // this information transitively potentially clearing kUint32 flag | 230 // this information transitively potentially clearing kUint32 flag |
231 // from some non-phi operations that are used as operands to unsafe phis. | 231 // from some non-phi operations that are used as operands to unsafe phis. |
232 UnmarkUnsafePhis(); | 232 UnmarkUnsafePhis(); |
233 } | 233 } |
234 | 234 |
235 | 235 |
236 } // namespace internal | 236 } // namespace internal |
237 } // namespace v8 | 237 } // namespace v8 |
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