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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
3 : // found in the LICENSE file.
4 :
5 : #ifndef V8_COMPILER_JS_INLINING_H_
6 : #define V8_COMPILER_JS_INLINING_H_
7 :
8 : #include "src/compiler/graph-reducer.h"
9 : #include "src/compiler/js-graph.h"
10 :
11 : namespace v8 {
12 : namespace internal {
13 :
14 : class BailoutId;
15 : class CompilationInfo;
16 :
17 : namespace compiler {
18 :
19 : class SourcePositionTable;
20 :
21 : // The JSInliner provides the core graph inlining machinery. Note that this
22 : // class only deals with the mechanics of how to inline one graph into another,
23 : // heuristics that decide what and how much to inline are beyond its scope.
24 395343 : class JSInliner final : public AdvancedReducer {
25 : public:
26 : JSInliner(Editor* editor, Zone* local_zone, CompilationInfo* info,
27 : JSGraph* jsgraph, SourcePositionTable* source_positions)
28 : : AdvancedReducer(editor),
29 : local_zone_(local_zone),
30 : info_(info),
31 : jsgraph_(jsgraph),
32 395342 : source_positions_(source_positions) {}
33 :
34 : // Reducer interface, eagerly inlines everything.
35 : Reduction Reduce(Node* node) final;
36 :
37 : // Can be used by inlining heuristics or by testing code directly, without
38 : // using the above generic reducer interface of the inlining machinery.
39 : Reduction ReduceJSCall(Node* node);
40 :
41 : private:
42 : CommonOperatorBuilder* common() const;
43 : JSOperatorBuilder* javascript() const;
44 : SimplifiedOperatorBuilder* simplified() const;
45 : Graph* graph() const;
46 : JSGraph* jsgraph() const { return jsgraph_; }
47 :
48 : Zone* const local_zone_;
49 : CompilationInfo* info_;
50 : JSGraph* const jsgraph_;
51 : SourcePositionTable* const source_positions_;
52 :
53 : bool DetermineCallTarget(Node* node,
54 : Handle<SharedFunctionInfo>& shared_info_out);
55 : void DetermineCallContext(Node* node, Node*& context_out,
56 : Handle<FeedbackVector>& feedback_vector_out);
57 :
58 : Node* CreateArtificialFrameState(Node* node, Node* outer_frame_state,
59 : int parameter_count, BailoutId bailout_id,
60 : FrameStateType frame_state_type,
61 : Handle<SharedFunctionInfo> shared);
62 :
63 : Node* CreateTailCallerFrameState(Node* node, Node* outer_frame_state);
64 :
65 : Reduction InlineCall(Node* call, Node* new_target, Node* context,
66 : Node* frame_state, Node* start, Node* end,
67 : Node* exception_target,
68 : const NodeVector& uncaught_subcalls);
69 : };
70 :
71 : } // namespace compiler
72 : } // namespace internal
73 : } // namespace v8
74 :
75 : #endif // V8_COMPILER_JS_INLINING_H_
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