blob: 237f501dbb8ebe39a3b1ade3631b648559da9d82 [file] [log] [blame]
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include "src/codegen/machine-type.h"
#include "src/compiler/js-heap-broker.h"
#include "src/compiler/node.h"
#include "src/handles/handles.h"
#include "src/objects/map.h"
#include "src/zone/zone-containers.h"
namespace v8 {
namespace internal {
namespace compiler {
class CommonOperatorBuilder;
class CompilationDependencies;
class Graph;
class JSGraph;
class JSHeapBroker;
class PropertyAccessInfo;
class SimplifiedOperatorBuilder;
struct FieldAccess;
class PropertyAccessBuilder {
PropertyAccessBuilder(JSGraph* jsgraph, JSHeapBroker* broker,
CompilationDependencies* dependencies)
: jsgraph_(jsgraph), broker_(broker), dependencies_(dependencies) {}
// Builds the appropriate string check if the maps are only string
// maps.
bool TryBuildStringCheck(JSHeapBroker* broker,
ZoneVector<Handle<Map>> const& maps, Node** receiver,
Node** effect, Node* control);
// Builds a number check if all maps are number maps.
bool TryBuildNumberCheck(JSHeapBroker* broker,
ZoneVector<Handle<Map>> const& maps, Node** receiver,
Node** effect, Node* control);
// TODO(jgruber): Remove the untyped version once all uses are
// updated.
void BuildCheckMaps(Node* object, Node** effect, Node* control,
ZoneVector<Handle<Map>> const& maps);
void BuildCheckMaps(Node* object, Effect* effect, Control control,
ZoneVector<Handle<Map>> const& maps) {
Node* e = *effect;
Node* c = control;
BuildCheckMaps(object, &e, c, maps);
*effect = e;
Node* BuildCheckValue(Node* receiver, Effect* effect, Control control,
Handle<HeapObject> value);
// Builds the actual load for data-field and data-constant-field
// properties (without heap-object or map checks).
Node* BuildLoadDataField(NameRef const& name,
PropertyAccessInfo const& access_info,
Node* lookup_start_object, Node** effect,
Node** control);
// Builds the load for data-field access for minimorphic loads that use
// dynamic map checks. These cannot depend on any information from the maps.
Node* BuildMinimorphicLoadDataField(
NameRef const& name, MinimorphicLoadPropertyAccessInfo const& access_info,
Node* lookup_start_object, Node** effect, Node** control);
static MachineRepresentation ConvertRepresentation(
Representation representation);
JSGraph* jsgraph() const { return jsgraph_; }
JSHeapBroker* broker() const { return broker_; }
CompilationDependencies* dependencies() const { return dependencies_; }
Graph* graph() const;
Isolate* isolate() const;
CommonOperatorBuilder* common() const;
SimplifiedOperatorBuilder* simplified() const;
Node* TryBuildLoadConstantDataField(NameRef const& name,
PropertyAccessInfo const& access_info,
Node* lookup_start_object);
// Returns a node with the holder for the property access described by
// {access_info}.
Node* ResolveHolder(PropertyAccessInfo const& access_info,
Node* lookup_start_object);
Node* BuildLoadDataField(NameRef const& name, Node* holder,
FieldAccess& field_access, bool is_inobject,
Node** effect, Node** control);
JSGraph* jsgraph_;
JSHeapBroker* broker_;
CompilationDependencies* dependencies_;
bool HasOnlyStringMaps(JSHeapBroker* broker,
ZoneVector<Handle<Map>> const& maps);
} // namespace compiler
} // namespace internal
} // namespace v8