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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 #include "src/ast.h" | 5 #include "src/ast.h" |
6 #include "src/ast-numbering.h" | 6 #include "src/ast-numbering.h" |
7 #include "src/compiler/access-builder.h" | 7 #include "src/compiler/access-builder.h" |
8 #include "src/compiler/ast-graph-builder.h" | 8 #include "src/compiler/ast-graph-builder.h" |
9 #include "src/compiler/common-operator.h" | 9 #include "src/compiler/common-operator.h" |
10 #include "src/compiler/generic-node-inl.h" | 10 #include "src/compiler/generic-node-inl.h" |
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52 JSInliner* inliner_; | 52 JSInliner* inliner_; |
53 }; | 53 }; |
54 | 54 |
55 | 55 |
56 void JSInliner::Inline() { | 56 void JSInliner::Inline() { |
57 InlinerVisitor visitor(this); | 57 InlinerVisitor visitor(this); |
58 jsgraph_->graph()->VisitNodeInputsFromEnd(&visitor); | 58 jsgraph_->graph()->VisitNodeInputsFromEnd(&visitor); |
59 } | 59 } |
60 | 60 |
61 | 61 |
| 62 // TODO(sigurds) Find a home for this function and reuse it everywhere (esp. in |
| 63 // test cases, where similar code is currently duplicated). |
| 64 static void Parse(Handle<JSFunction> function, CompilationInfoWithZone* info) { |
| 65 CHECK(Parser::Parse(info)); |
| 66 CHECK(Rewriter::Rewrite(info)); |
| 67 CHECK(Scope::Analyze(info)); |
| 68 CHECK(AstNumbering::Renumber(info->function(), info->zone())); |
| 69 CHECK(Compiler::EnsureDeoptimizationSupport(info)); |
| 70 } |
| 71 |
| 72 |
62 // A facade on a JSFunction's graph to facilitate inlining. It assumes the | 73 // A facade on a JSFunction's graph to facilitate inlining. It assumes the |
63 // that the function graph has only one return statement, and provides | 74 // that the function graph has only one return statement, and provides |
64 // {UnifyReturn} to convert a function graph to that end. | 75 // {UnifyReturn} to convert a function graph to that end. |
65 class Inlinee { | 76 class Inlinee { |
66 public: | 77 public: |
67 Inlinee(Node* start, Node* end) : start_(start), end_(end) {} | 78 Inlinee(Node* start, Node* end) : start_(start), end_(end) {} |
68 | 79 |
69 // Returns the last regular control node, that is | 80 // Returns the last regular control node, that is |
70 // the last control node before the end node. | 81 // the last control node before the end node. |
71 Node* end_block() { return NodeProperties::GetControlInput(unique_return()); } | 82 Node* end_block() { return NodeProperties::GetControlInput(unique_return()); } |
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367 if (FLAG_trace_turbo_inlining) { | 378 if (FLAG_trace_turbo_inlining) { |
368 SmartArrayPointer<char> name = | 379 SmartArrayPointer<char> name = |
369 function->shared()->DebugName()->ToCString(); | 380 function->shared()->DebugName()->ToCString(); |
370 PrintF("Not Inlining %s into %s because inlinee is native\n", name.get(), | 381 PrintF("Not Inlining %s into %s because inlinee is native\n", name.get(), |
371 info_->shared_info()->DebugName()->ToCString().get()); | 382 info_->shared_info()->DebugName()->ToCString().get()); |
372 } | 383 } |
373 return; | 384 return; |
374 } | 385 } |
375 | 386 |
376 CompilationInfoWithZone info(function); | 387 CompilationInfoWithZone info(function); |
377 CHECK(Compiler::ParseAndAnalyze(&info)); | 388 Parse(function, &info); |
378 CHECK(Compiler::EnsureDeoptimizationSupport(&info)); | |
379 | 389 |
380 if (info.scope()->arguments() != NULL && info.strict_mode() != STRICT) { | 390 if (info.scope()->arguments() != NULL && info.strict_mode() != STRICT) { |
381 // For now do not inline functions that use their arguments array. | 391 // For now do not inline functions that use their arguments array. |
382 SmartArrayPointer<char> name = function->shared()->DebugName()->ToCString(); | 392 SmartArrayPointer<char> name = function->shared()->DebugName()->ToCString(); |
383 if (FLAG_trace_turbo_inlining) { | 393 if (FLAG_trace_turbo_inlining) { |
384 PrintF( | 394 PrintF( |
385 "Not Inlining %s into %s because inlinee uses arguments " | 395 "Not Inlining %s into %s because inlinee uses arguments " |
386 "array\n", | 396 "array\n", |
387 name.get(), info_->shared_info()->DebugName()->ToCString().get()); | 397 name.get(), info_->shared_info()->DebugName()->ToCString().get()); |
388 } | 398 } |
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488 info_->shared_info()->DebugName()->ToCString().get()); | 498 info_->shared_info()->DebugName()->ToCString().get()); |
489 } | 499 } |
490 NodeProperties::ReplaceWithValue(call_node, r.first, r.second); | 500 NodeProperties::ReplaceWithValue(call_node, r.first, r.second); |
491 call_node->RemoveAllInputs(); | 501 call_node->RemoveAllInputs(); |
492 DCHECK_EQ(0, call_node->UseCount()); | 502 DCHECK_EQ(0, call_node->UseCount()); |
493 } | 503 } |
494 } | 504 } |
495 } | 505 } |
496 } | 506 } |
497 } // namespace v8::internal::compiler | 507 } // namespace v8::internal::compiler |
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