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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 #include "src/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #include "src/bailout-reason.h" | 7 #include "src/bailout-reason.h" |
| 8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
| 9 #include "src/field-index.h" | 9 #include "src/field-index.h" |
| 10 #include "src/hydrogen.h" | 10 #include "src/hydrogen.h" |
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| 2172 array_checker.Else(); | 2172 array_checker.Else(); |
| 2173 { | 2173 { |
| 2174 // Check if the IC is in generic state. | 2174 // Check if the IC is in generic state. |
| 2175 IfBuilder generic_checker(this); | 2175 IfBuilder generic_checker(this); |
| 2176 HConstant* generic_symbol = | 2176 HConstant* generic_symbol = |
| 2177 Add<HConstant>(isolate()->factory()->generic_symbol()); | 2177 Add<HConstant>(isolate()->factory()->generic_symbol()); |
| 2178 generic_checker.If<HCompareObjectEqAndBranch>(feedback, generic_symbol); | 2178 generic_checker.If<HCompareObjectEqAndBranch>(feedback, generic_symbol); |
| 2179 generic_checker.Then(); | 2179 generic_checker.Then(); |
| 2180 { | 2180 { |
| 2181 // Tail-call to the generic KeyedLoadIC, treating it like a handler. | 2181 // Tail-call to the generic KeyedLoadIC, treating it like a handler. |
| 2182 Handle<Code> stub = KeyedLoadIC::megamorphic_stub(isolate()); | 2182 Handle<Code> stub = KeyedLoadIC::ChooseMegamorphicStub(isolate()); |
| 2183 HValue* constant_stub = Add<HConstant>(stub); | 2183 HValue* constant_stub = Add<HConstant>(stub); |
| 2184 LoadDescriptor descriptor(isolate()); | 2184 LoadDescriptor descriptor(isolate()); |
| 2185 HValue* op_vals[] = {context(), receiver, name}; | 2185 HValue* op_vals[] = {context(), receiver, name}; |
| 2186 Add<HCallWithDescriptor>(constant_stub, 0, descriptor, | 2186 Add<HCallWithDescriptor>(constant_stub, 0, descriptor, |
| 2187 Vector<HValue*>(op_vals, 3), TAIL_CALL); | 2187 Vector<HValue*>(op_vals, 3), TAIL_CALL); |
| 2188 // We never return here, it is a tail call. | 2188 // We never return here, it is a tail call. |
| 2189 } | 2189 } |
| 2190 generic_checker.End(); | 2190 generic_checker.End(); |
| 2191 } | 2191 } |
| 2192 array_checker.End(); | 2192 array_checker.End(); |
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| 2215 // megamorphic case is handled as part of the default stub. | 2215 // megamorphic case is handled as part of the default stub. |
| 2216 DCHECK(!FLAG_vector_ics); | 2216 DCHECK(!FLAG_vector_ics); |
| 2217 | 2217 |
| 2218 // Probe the stub cache. | 2218 // Probe the stub cache. |
| 2219 Add<HTailCallThroughMegamorphicCache>(receiver, name); | 2219 Add<HTailCallThroughMegamorphicCache>(receiver, name); |
| 2220 | 2220 |
| 2221 // We never continue. | 2221 // We never continue. |
| 2222 return graph()->GetConstant0(); | 2222 return graph()->GetConstant0(); |
| 2223 } | 2223 } |
| 2224 } } // namespace v8::internal | 2224 } } // namespace v8::internal |
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