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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/generic-node-inl.h" | 5 #include "src/compiler/generic-node-inl.h" |
6 #include "src/compiler/js-graph.h" | 6 #include "src/compiler/js-graph.h" |
7 #include "src/compiler/machine-operator.h" | 7 #include "src/compiler/machine-operator.h" |
8 #include "src/compiler/node-matchers.h" | 8 #include "src/compiler/node-matchers.h" |
9 #include "src/compiler/simplified-operator-reducer.h" | 9 #include "src/compiler/simplified-operator-reducer.h" |
10 | 10 |
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95 break; | 95 break; |
96 } | 96 } |
97 case IrOpcode::kChangeUint32ToTagged: { | 97 case IrOpcode::kChangeUint32ToTagged: { |
98 Uint32Matcher m(node->InputAt(0)); | 98 Uint32Matcher m(node->InputAt(0)); |
99 if (m.HasValue()) return ReplaceNumber(FastUI2D(m.Value())); | 99 if (m.HasValue()) return ReplaceNumber(FastUI2D(m.Value())); |
100 break; | 100 break; |
101 } | 101 } |
102 case IrOpcode::kLoadElement: { | 102 case IrOpcode::kLoadElement: { |
103 ElementAccess access = ElementAccessOf(node->op()); | 103 ElementAccess access = ElementAccessOf(node->op()); |
104 if (access.bounds_check == kTypedArrayBoundsCheck) { | 104 if (access.bounds_check == kTypedArrayBoundsCheck) { |
105 NumericValueMatcher mkey(node->InputAt(1)); | 105 NumberMatcher mkey(node->InputAt(1)); |
106 NumericValueMatcher mlength(node->InputAt(2)); | 106 NumberMatcher mlength(node->InputAt(2)); |
107 if (mkey.HasValue() && mlength.HasValue()) { | 107 if (mkey.HasValue() && mlength.HasValue()) { |
108 // Skip the typed array bounds check if key and length are constant. | 108 // Skip the typed array bounds check if key and length are constant. |
109 if (mkey.Value() >= 0 && mkey.Value() < mlength.Value()) { | 109 if (mkey.Value() >= 0 && mkey.Value() < mlength.Value()) { |
110 access.bounds_check = kNoBoundsCheck; | 110 access.bounds_check = kNoBoundsCheck; |
111 node->set_op(simplified()->LoadElement(access)); | 111 node->set_op(simplified()->LoadElement(access)); |
112 return Changed(node); | 112 return Changed(node); |
113 } | 113 } |
114 } | 114 } |
115 } | 115 } |
116 break; | 116 break; |
117 } | 117 } |
118 case IrOpcode::kStoreElement: { | 118 case IrOpcode::kStoreElement: { |
119 ElementAccess access = ElementAccessOf(node->op()); | 119 ElementAccess access = ElementAccessOf(node->op()); |
120 if (access.bounds_check == kTypedArrayBoundsCheck) { | 120 if (access.bounds_check == kTypedArrayBoundsCheck) { |
121 NumericValueMatcher mkey(node->InputAt(1)); | 121 NumberMatcher mkey(node->InputAt(1)); |
122 NumericValueMatcher mlength(node->InputAt(2)); | 122 NumberMatcher mlength(node->InputAt(2)); |
123 if (mkey.HasValue() && mlength.HasValue()) { | 123 if (mkey.HasValue() && mlength.HasValue()) { |
124 // Skip the typed array bounds check if key and length are constant. | 124 // Skip the typed array bounds check if key and length are constant. |
125 if (mkey.Value() >= 0 && mkey.Value() < mlength.Value()) { | 125 if (mkey.Value() >= 0 && mkey.Value() < mlength.Value()) { |
126 access.bounds_check = kNoBoundsCheck; | 126 access.bounds_check = kNoBoundsCheck; |
127 node->set_op(simplified()->StoreElement(access)); | 127 node->set_op(simplified()->StoreElement(access)); |
128 return Changed(node); | 128 return Changed(node); |
129 } | 129 } |
130 } | 130 } |
131 } | 131 } |
132 break; | 132 break; |
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174 } | 174 } |
175 | 175 |
176 | 176 |
177 MachineOperatorBuilder* SimplifiedOperatorReducer::machine() const { | 177 MachineOperatorBuilder* SimplifiedOperatorReducer::machine() const { |
178 return jsgraph()->machine(); | 178 return jsgraph()->machine(); |
179 } | 179 } |
180 | 180 |
181 } // namespace compiler | 181 } // namespace compiler |
182 } // namespace internal | 182 } // namespace internal |
183 } // namespace v8 | 183 } // namespace v8 |
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