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// Copyright 2015 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 "src/base/flags.h"
#include "src/compiler/graph-reducer.h"
#include "src/deoptimize-reason.h"
namespace v8 {
namespace internal {
// Forward declarations.
class CompilationDependencies;
class Factory;
namespace compiler {
// Forward declarations.
class CallFrequency;
class CommonOperatorBuilder;
class JSGraph;
class JSOperatorBuilder;
class SimplifiedOperatorBuilder;
class VectorSlotPair;
// Performs strength reduction on {JSConstruct} and {JSCall} nodes,
// which might allow inlining or other optimizations to be performed afterwards.
class JSCallReducer final : public AdvancedReducer {
// Flags that control the mode of operation.
enum Flag { kNoFlags = 0u, kBailoutOnUninitialized = 1u << 0 };
typedef base::Flags<Flag> Flags;
JSCallReducer(Editor* editor, JSGraph* jsgraph, Flags flags,
Handle<Context> native_context,
CompilationDependencies* dependencies)
: AdvancedReducer(editor),
dependencies_(dependencies) {}
const char* reducer_name() const override { return "JSCallReducer"; }
Reduction Reduce(Node* node) final;
// Processes the waitlist gathered while the reducer was running,
// and does a final attempt to reduce the nodes in the waitlist.
void Finalize() final;
Reduction ReduceArrayConstructor(Node* node);
Reduction ReduceBooleanConstructor(Node* node);
Reduction ReduceCallApiFunction(
Node* node, Handle<FunctionTemplateInfo> function_template_info);
Reduction ReduceNumberConstructor(Node* node);
Reduction ReduceFunctionPrototypeApply(Node* node);
Reduction ReduceFunctionPrototypeCall(Node* node);
Reduction ReduceFunctionPrototypeHasInstance(Node* node);
Reduction ReduceObjectConstructor(Node* node);
Reduction ReduceObjectGetPrototype(Node* node, Node* object);
Reduction ReduceObjectGetPrototypeOf(Node* node);
Reduction ReduceObjectPrototypeGetProto(Node* node);
Reduction ReduceObjectPrototypeHasOwnProperty(Node* node);
Reduction ReduceObjectPrototypeIsPrototypeOf(Node* node);
Reduction ReduceReflectApply(Node* node);
Reduction ReduceReflectConstruct(Node* node);
Reduction ReduceReflectGetPrototypeOf(Node* node);
Reduction ReduceArrayForEach(Handle<JSFunction> function, Node* node);
Reduction ReduceArrayMap(Handle<JSFunction> function, Node* node);
Reduction ReduceCallOrConstructWithArrayLikeOrSpread(
Node* node, int arity, CallFrequency const& frequency,
VectorSlotPair const& feedback);
Reduction ReduceJSConstruct(Node* node);
Reduction ReduceJSConstructWithArrayLike(Node* node);
Reduction ReduceJSConstructWithSpread(Node* node);
Reduction ReduceJSCall(Node* node);
Reduction ReduceJSCallWithArrayLike(Node* node);
Reduction ReduceJSCallWithSpread(Node* node);
Reduction ReduceReturnReceiver(Node* node);
Reduction ReduceSoftDeoptimize(Node* node, DeoptimizeReason reason);
Graph* graph() const;
JSGraph* jsgraph() const { return jsgraph_; }
Isolate* isolate() const;
Factory* factory() const;
Handle<Context> native_context() const { return native_context_; }
Handle<JSGlobalProxy> global_proxy() const;
CommonOperatorBuilder* common() const;
JSOperatorBuilder* javascript() const;
SimplifiedOperatorBuilder* simplified() const;
Flags flags() const { return flags_; }
CompilationDependencies* dependencies() const { return dependencies_; }
JSGraph* const jsgraph_;
Flags const flags_;
Handle<Context> const native_context_;
CompilationDependencies* const dependencies_;
std::set<Node*> waitlist_;
} // namespace compiler
} // namespace internal
} // namespace v8