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| 1 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file | 
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a | 
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. | 
| 4 | 4 | 
| 5 #include "vm/intermediate_language.h" | 5 #include "vm/intermediate_language.h" | 
| 6 | 6 | 
| 7 #include "vm/bigint_operations.h" | 7 #include "vm/bigint_operations.h" | 
| 8 #include "vm/bit_vector.h" | 8 #include "vm/bit_vector.h" | 
| 9 #include "vm/dart_entry.h" | 9 #include "vm/dart_entry.h" | 
| 10 #include "vm/flow_graph_allocator.h" | 10 #include "vm/flow_graph_allocator.h" | 
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| 1510 } | 1510 } | 
| 1511 | 1511 | 
| 1512 | 1512 | 
| 1513 Definition* UnboxFloat32x4Instr::Canonicalize(FlowGraph* flow_graph) { | 1513 Definition* UnboxFloat32x4Instr::Canonicalize(FlowGraph* flow_graph) { | 
| 1514   // Fold away UnboxFloat32x4(BoxFloat32x4(v)). | 1514   // Fold away UnboxFloat32x4(BoxFloat32x4(v)). | 
| 1515   BoxFloat32x4Instr* defn = value()->definition()->AsBoxFloat32x4(); | 1515   BoxFloat32x4Instr* defn = value()->definition()->AsBoxFloat32x4(); | 
| 1516   return (defn != NULL) ? defn->value()->definition() : this; | 1516   return (defn != NULL) ? defn->value()->definition() : this; | 
| 1517 } | 1517 } | 
| 1518 | 1518 | 
| 1519 | 1519 | 
| 1520 Definition* BoxUint32x4Instr::Canonicalize(FlowGraph* flow_graph) { | 1520 Definition* BoxInt32x4Instr::Canonicalize(FlowGraph* flow_graph) { | 
| 1521   if (input_use_list() == NULL) { | 1521   if (input_use_list() == NULL) { | 
| 1522     // Environments can accomodate any representation. No need to box. | 1522     // Environments can accomodate any representation. No need to box. | 
| 1523     return value()->definition(); | 1523     return value()->definition(); | 
| 1524   } | 1524   } | 
| 1525 | 1525 | 
| 1526   // Fold away BoxUint32x4(UnboxUint32x4(v)). | 1526   // Fold away BoxInt32x4(UnboxInt32x4(v)). | 
| 1527   UnboxUint32x4Instr* defn = value()->definition()->AsUnboxUint32x4(); | 1527   UnboxInt32x4Instr* defn = value()->definition()->AsUnboxInt32x4(); | 
| 1528   if ((defn != NULL) && (defn->value()->Type()->ToCid() == kUint32x4Cid)) { | 1528   if ((defn != NULL) && (defn->value()->Type()->ToCid() == kInt32x4Cid)) { | 
| 1529     return defn->value()->definition(); | 1529     return defn->value()->definition(); | 
| 1530   } | 1530   } | 
| 1531 | 1531 | 
| 1532   return this; | 1532   return this; | 
| 1533 } | 1533 } | 
| 1534 | 1534 | 
| 1535 | 1535 | 
| 1536 Definition* UnboxUint32x4Instr::Canonicalize(FlowGraph* flow_graph) { | 1536 Definition* UnboxInt32x4Instr::Canonicalize(FlowGraph* flow_graph) { | 
| 1537   // Fold away UnboxUint32x4(BoxUint32x4(v)). | 1537   // Fold away UnboxInt32x4(BoxInt32x4(v)). | 
| 1538   BoxUint32x4Instr* defn = value()->definition()->AsBoxUint32x4(); | 1538   BoxInt32x4Instr* defn = value()->definition()->AsBoxInt32x4(); | 
| 1539   return (defn != NULL) ? defn->value()->definition() : this; | 1539   return (defn != NULL) ? defn->value()->definition() : this; | 
| 1540 } | 1540 } | 
| 1541 | 1541 | 
| 1542 | 1542 | 
| 1543 Definition* BooleanNegateInstr::Canonicalize(FlowGraph* flow_graph) { | 1543 Definition* BooleanNegateInstr::Canonicalize(FlowGraph* flow_graph) { | 
| 1544   Definition* defn = value()->definition(); | 1544   Definition* defn = value()->definition(); | 
| 1545   if (defn->IsComparison() && | 1545   if (defn->IsComparison() && | 
| 1546       (value()->Type()->ToCid() == kBoolCid) && | 1546       (value()->Type()->ToCid() == kBoolCid) && | 
| 1547       defn->HasOnlyUse(value())) { | 1547       defn->HasOnlyUse(value())) { | 
| 1548     defn->AsComparison()->NegateComparison(); | 1548     defn->AsComparison()->NegateComparison(); | 
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| 2891       return kCosRuntimeEntry; | 2891       return kCosRuntimeEntry; | 
| 2892     default: | 2892     default: | 
| 2893       UNREACHABLE(); | 2893       UNREACHABLE(); | 
| 2894   } | 2894   } | 
| 2895   return kSinRuntimeEntry; | 2895   return kSinRuntimeEntry; | 
| 2896 } | 2896 } | 
| 2897 | 2897 | 
| 2898 #undef __ | 2898 #undef __ | 
| 2899 | 2899 | 
| 2900 }  // namespace dart | 2900 }  // namespace dart | 
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