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Issue 894683003: Introduce LanguageMode, drop StrictMode. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: . Created 5 years, 10 months ago
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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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1549 Add<HConstant>(factory->empty_fixed_array()); 1549 Add<HConstant>(factory->empty_fixed_array());
1550 HValue* shared_info = GetParameter(0); 1550 HValue* shared_info = GetParameter(0);
1551 1551
1552 AddIncrementCounter(counters->fast_new_closure_total()); 1552 AddIncrementCounter(counters->fast_new_closure_total());
1553 1553
1554 // Create a new closure from the given function info in new space 1554 // Create a new closure from the given function info in new space
1555 HValue* size = Add<HConstant>(JSFunction::kSize); 1555 HValue* size = Add<HConstant>(JSFunction::kSize);
1556 HInstruction* js_function = 1556 HInstruction* js_function =
1557 Add<HAllocate>(size, HType::JSObject(), NOT_TENURED, JS_FUNCTION_TYPE); 1557 Add<HAllocate>(size, HType::JSObject(), NOT_TENURED, JS_FUNCTION_TYPE);
1558 1558
1559 int map_index = Context::FunctionMapIndex(casted_stub()->strict_mode(), 1559 int map_index = Context::FunctionMapIndex(casted_stub()->language_mode(),
1560 casted_stub()->kind()); 1560 casted_stub()->kind());
1561 1561
1562 // Compute the function map in the current native context and set that 1562 // Compute the function map in the current native context and set that
1563 // as the map of the allocated object. 1563 // as the map of the allocated object.
1564 HInstruction* native_context = BuildGetNativeContext(); 1564 HInstruction* native_context = BuildGetNativeContext();
1565 HInstruction* map_slot_value = Add<HLoadNamedField>( 1565 HInstruction* map_slot_value = Add<HLoadNamedField>(
1566 native_context, nullptr, HObjectAccess::ForContextSlot(map_index)); 1566 native_context, nullptr, HObjectAccess::ForContextSlot(map_index));
1567 Add<HStoreNamedField>(js_function, HObjectAccess::ForMap(), map_slot_value); 1567 Add<HStoreNamedField>(js_function, HObjectAccess::ForMap(), map_slot_value);
1568 1568
1569 // Initialize the rest of the function. 1569 // Initialize the rest of the function.
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2216 // megamorphic case is handled as part of the default stub. 2216 // megamorphic case is handled as part of the default stub.
2217 DCHECK(!FLAG_vector_ics); 2217 DCHECK(!FLAG_vector_ics);
2218 2218
2219 // Probe the stub cache. 2219 // Probe the stub cache.
2220 Add<HTailCallThroughMegamorphicCache>(receiver, name); 2220 Add<HTailCallThroughMegamorphicCache>(receiver, name);
2221 2221
2222 // We never continue. 2222 // We never continue.
2223 return graph()->GetConstant0(); 2223 return graph()->GetConstant0();
2224 } 2224 }
2225 } } // namespace v8::internal 2225 } } // namespace v8::internal
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