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Issue 2597163002: Revert of [TypeFeedbackVector] Root literal arrays in function literals slots (Closed)
Patch Set: Created 4 years ago
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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/factory.h" 5 #include "src/factory.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/allocation-site-scopes.h" 8 #include "src/allocation-site-scopes.h"
9 #include "src/ast/ast.h" 9 #include "src/ast/ast.h"
10 #include "src/base/bits.h" 10 #include "src/base/bits.h"
(...skipping 1513 matching lines...) Expand 10 before | Expand all | Expand 10 after
1524 PretenureFlag pretenure) { 1524 PretenureFlag pretenure) {
1525 int map_index = 1525 int map_index =
1526 Context::FunctionMapIndex(info->language_mode(), info->kind()); 1526 Context::FunctionMapIndex(info->language_mode(), info->kind());
1527 Handle<Map> initial_map(Map::cast(context->native_context()->get(map_index))); 1527 Handle<Map> initial_map(Map::cast(context->native_context()->get(map_index)));
1528 1528
1529 return NewFunctionFromSharedFunctionInfo(initial_map, info, context, 1529 return NewFunctionFromSharedFunctionInfo(initial_map, info, context,
1530 pretenure); 1530 pretenure);
1531 } 1531 }
1532 1532
1533 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo( 1533 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo(
1534 Handle<SharedFunctionInfo> info, Handle<Context> context,
1535 Handle<LiteralsArray> literals, PretenureFlag pretenure) {
1536 int map_index =
1537 Context::FunctionMapIndex(info->language_mode(), info->kind());
1538 Handle<Map> initial_map(Map::cast(context->native_context()->get(map_index)));
1539
1540 return NewFunctionFromSharedFunctionInfo(initial_map, info, context, literals,
1541 pretenure);
1542 }
1543
1544 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo(
1545 Handle<Map> initial_map, Handle<SharedFunctionInfo> info, 1534 Handle<Map> initial_map, Handle<SharedFunctionInfo> info,
1546 Handle<Object> context_or_undefined, PretenureFlag pretenure) { 1535 Handle<Object> context_or_undefined, PretenureFlag pretenure) {
1547 DCHECK_EQ(JS_FUNCTION_TYPE, initial_map->instance_type()); 1536 DCHECK_EQ(JS_FUNCTION_TYPE, initial_map->instance_type());
1548 Handle<JSFunction> result = 1537 Handle<JSFunction> result =
1549 NewFunction(initial_map, info, context_or_undefined, pretenure); 1538 NewFunction(initial_map, info, context_or_undefined, pretenure);
1550 1539
1551 if (info->ic_age() != isolate()->heap()->global_ic_age()) { 1540 if (info->ic_age() != isolate()->heap()->global_ic_age()) {
1552 info->ResetForNewContext(isolate()->heap()->global_ic_age()); 1541 info->ResetForNewContext(isolate()->heap()->global_ic_age());
1553 } 1542 }
1554 1543
1555 if (context_or_undefined->IsContext()) { 1544 if (context_or_undefined->IsContext()) {
1556 // Give compiler a chance to pre-initialize. 1545 // Give compiler a chance to pre-initialize.
1557 Compiler::PostInstantiation(result, pretenure); 1546 Compiler::PostInstantiation(result, pretenure);
1558 } 1547 }
1559 1548
1560 return result; 1549 return result;
1561 } 1550 }
1562 1551
1563 Handle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo(
1564 Handle<Map> initial_map, Handle<SharedFunctionInfo> info,
1565 Handle<Object> context_or_undefined, Handle<LiteralsArray> literals,
1566 PretenureFlag pretenure) {
1567 DCHECK_EQ(JS_FUNCTION_TYPE, initial_map->instance_type());
1568 Handle<JSFunction> result =
1569 NewFunction(initial_map, info, context_or_undefined, pretenure);
1570
1571 result->set_literals(*literals);
1572 if (info->ic_age() != isolate()->heap()->global_ic_age()) {
1573 info->ResetForNewContext(isolate()->heap()->global_ic_age());
1574 }
1575
1576 if (context_or_undefined->IsContext()) {
1577 // Give compiler a chance to pre-initialize.
1578 Compiler::PostInstantiation(result, pretenure);
1579 }
1580
1581 return result;
1582 }
1583 1552
1584 Handle<ScopeInfo> Factory::NewScopeInfo(int length) { 1553 Handle<ScopeInfo> Factory::NewScopeInfo(int length) {
1585 Handle<FixedArray> array = NewFixedArray(length, TENURED); 1554 Handle<FixedArray> array = NewFixedArray(length, TENURED);
1586 array->set_map_no_write_barrier(*scope_info_map()); 1555 array->set_map_no_write_barrier(*scope_info_map());
1587 Handle<ScopeInfo> scope_info = Handle<ScopeInfo>::cast(array); 1556 Handle<ScopeInfo> scope_info = Handle<ScopeInfo>::cast(array);
1588 return scope_info; 1557 return scope_info;
1589 } 1558 }
1590 1559
1591 Handle<ModuleInfo> Factory::NewModuleInfo() { 1560 Handle<ModuleInfo> Factory::NewModuleInfo() {
1592 Handle<FixedArray> array = NewFixedArray(ModuleInfo::kLength, TENURED); 1561 Handle<FixedArray> array = NewFixedArray(ModuleInfo::kLength, TENURED);
(...skipping 1218 matching lines...) Expand 10 before | Expand all | Expand 10 after
2811 Handle<AccessorInfo> prototype = 2780 Handle<AccessorInfo> prototype =
2812 Accessors::FunctionPrototypeInfo(isolate(), rw_attribs); 2781 Accessors::FunctionPrototypeInfo(isolate(), rw_attribs);
2813 AccessorConstantDescriptor d(Handle<Name>(Name::cast(prototype->name())), 2782 AccessorConstantDescriptor d(Handle<Name>(Name::cast(prototype->name())),
2814 prototype, rw_attribs); 2783 prototype, rw_attribs);
2815 map->AppendDescriptor(&d); 2784 map->AppendDescriptor(&d);
2816 } 2785 }
2817 } 2786 }
2818 2787
2819 } // namespace internal 2788 } // namespace internal
2820 } // namespace v8 2789 } // namespace v8
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