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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.
#ifndef V8_COMPILER_JS_CALL_REDUCER_H_
#define V8_COMPILER_JS_CALL_REDUCER_H_
#include "src/base/flags.h"
#include "src/compiler/graph-reducer.h"
namespace v8 {
namespace internal {
namespace compiler {
// Forward declarations.
class CommonOperatorBuilder;
class JSGraph;
class JSOperatorBuilder;
class SimplifiedOperatorBuilder;
// Performs strength reduction on {JSCallConstruct} and {JSCallFunction} nodes,
// which might allow inlining or other optimizations to be performed afterwards.
class JSCallReducer final : public AdvancedReducer {
public:
// Flags that control the mode of operation.
enum Flag {
kNoFlags = 0u,
kDeoptimizationEnabled = 1u << 0,
};
typedef base::Flags<Flag> Flags;
JSCallReducer(Editor* editor, JSGraph* jsgraph, Flags flags,
Handle<Context> native_context)
: AdvancedReducer(editor),
jsgraph_(jsgraph),
flags_(flags),
native_context_(native_context) {}
Reduction Reduce(Node* node) final;
private:
Reduction ReduceArrayConstructor(Node* node);
Reduction ReduceCallApiFunction(
Node* node, Node* target,
Handle<FunctionTemplateInfo> function_template_info);
Reduction ReduceNumberConstructor(Node* node);
Reduction ReduceFunctionPrototypeApply(Node* node);
Reduction ReduceFunctionPrototypeCall(Node* node);
Reduction ReduceFunctionPrototypeHasInstance(Node* node);
Reduction ReduceObjectPrototypeGetProto(Node* node);
Reduction ReduceJSCallConstruct(Node* node);
Reduction ReduceJSCallFunction(Node* node);
enum HolderLookup { kHolderNotFound, kHolderIsReceiver, kHolderFound };
HolderLookup LookupHolder(Handle<JSObject> object,
Handle<FunctionTemplateInfo> function_template_info,
Handle<JSObject>* holder);
Graph* graph() const;
Flags flags() const { return flags_; }
JSGraph* jsgraph() const { return jsgraph_; }
Isolate* isolate() const;
Handle<Context> native_context() const { return native_context_; }
CommonOperatorBuilder* common() const;
JSOperatorBuilder* javascript() const;
SimplifiedOperatorBuilder* simplified() const;
JSGraph* const jsgraph_;
Flags const flags_;
Handle<Context> const native_context_;
};
DEFINE_OPERATORS_FOR_FLAGS(JSCallReducer::Flags)
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_JS_CALL_REDUCER_H_
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