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Side by Side Diff: src/compiler/ast-graph-builder.h

Issue 994433002: [turbofan] Skip function entry stack check for inlinee. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 9 months 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 #ifndef V8_COMPILER_AST_GRAPH_BUILDER_H_ 5 #ifndef V8_COMPILER_AST_GRAPH_BUILDER_H_
6 #define V8_COMPILER_AST_GRAPH_BUILDER_H_ 6 #define V8_COMPILER_AST_GRAPH_BUILDER_H_
7 7
8 #include "src/ast.h" 8 #include "src/ast.h"
9 #include "src/compiler/js-graph.h" 9 #include "src/compiler/js-graph.h"
10 10
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24 // The AstGraphBuilder produces a high-level IR graph, based on an 24 // The AstGraphBuilder produces a high-level IR graph, based on an
25 // underlying AST. The produced graph can either be compiled into a 25 // underlying AST. The produced graph can either be compiled into a
26 // stand-alone function or be wired into another graph for the purposes 26 // stand-alone function or be wired into another graph for the purposes
27 // of function inlining. 27 // of function inlining.
28 class AstGraphBuilder : public AstVisitor { 28 class AstGraphBuilder : public AstVisitor {
29 public: 29 public:
30 AstGraphBuilder(Zone* local_zone, CompilationInfo* info, JSGraph* jsgraph, 30 AstGraphBuilder(Zone* local_zone, CompilationInfo* info, JSGraph* jsgraph,
31 LoopAssignmentAnalysis* loop_assignment = NULL); 31 LoopAssignmentAnalysis* loop_assignment = NULL);
32 32
33 // Creates a graph by visiting the entire AST. 33 // Creates a graph by visiting the entire AST.
34 bool CreateGraph(bool constant_context); 34 bool CreateGraph(bool constant_context, bool stack_check = true);
35 35
36 // Helpers to create new control nodes. 36 // Helpers to create new control nodes.
37 Node* NewIfTrue() { return NewNode(common()->IfTrue()); } 37 Node* NewIfTrue() { return NewNode(common()->IfTrue()); }
38 Node* NewIfFalse() { return NewNode(common()->IfFalse()); } 38 Node* NewIfFalse() { return NewNode(common()->IfFalse()); }
39 Node* NewMerge() { return NewNode(common()->Merge(1), true); } 39 Node* NewMerge() { return NewNode(common()->Merge(1), true); }
40 Node* NewLoop() { return NewNode(common()->Loop(1), true); } 40 Node* NewLoop() { return NewNode(common()->Loop(1), true); }
41 Node* NewBranch(Node* condition, BranchHint hint = BranchHint::kNone) { 41 Node* NewBranch(Node* condition, BranchHint hint = BranchHint::kNone) {
42 return NewNode(common()->Branch(hint), condition); 42 return NewNode(common()->Branch(hint), condition);
43 } 43 }
44 44
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118 Node* current_context() const; 118 Node* current_context() const;
119 Node* exit_control() const { return exit_control_; } 119 Node* exit_control() const { return exit_control_; }
120 120
121 void set_environment(Environment* env) { environment_ = env; } 121 void set_environment(Environment* env) { environment_ = env; }
122 void set_ast_context(AstContext* ctx) { ast_context_ = ctx; } 122 void set_ast_context(AstContext* ctx) { ast_context_ = ctx; }
123 void set_execution_control(ControlScope* ctrl) { execution_control_ = ctrl; } 123 void set_execution_control(ControlScope* ctrl) { execution_control_ = ctrl; }
124 void set_execution_context(ContextScope* ctx) { execution_context_ = ctx; } 124 void set_execution_context(ContextScope* ctx) { execution_context_ = ctx; }
125 void set_exit_control(Node* exit) { exit_control_ = exit; } 125 void set_exit_control(Node* exit) { exit_control_ = exit; }
126 126
127 // Create the main graph body by visiting the AST. 127 // Create the main graph body by visiting the AST.
128 void CreateGraphBody(); 128 void CreateGraphBody(bool stack_check);
129 129
130 // Create the node that represents the outer context of the function. 130 // Create the node that represents the outer context of the function.
131 void CreateFunctionContext(bool constant_context); 131 void CreateFunctionContext(bool constant_context);
132 132
133 // Get or create the node that represents the outer function closure. 133 // Get or create the node that represents the outer function closure.
134 Node* GetFunctionClosure(); 134 Node* GetFunctionClosure();
135 135
136 // Node creation helpers. 136 // Node creation helpers.
137 Node* NewNode(const Operator* op, bool incomplete = false) { 137 Node* NewNode(const Operator* op, bool incomplete = false) {
138 return MakeNode(op, 0, static_cast<Node**>(NULL), incomplete); 138 return MakeNode(op, 0, static_cast<Node**>(NULL), incomplete);
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477 477
478 // Prepare environment to be used as loop header. 478 // Prepare environment to be used as loop header.
479 void PrepareForLoop(BitVector* assigned, bool is_osr = false); 479 void PrepareForLoop(BitVector* assigned, bool is_osr = false);
480 }; 480 };
481 481
482 } // namespace compiler 482 } // namespace compiler
483 } // namespace internal 483 } // namespace internal
484 } // namespace v8 484 } // namespace v8
485 485
486 #endif // V8_COMPILER_AST_GRAPH_BUILDER_H_ 486 #endif // V8_COMPILER_AST_GRAPH_BUILDER_H_
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