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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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/compiler/node.h" | 5 #include "src/compiler/node.h" |
6 | 6 |
7 #include "src/compiler/generic-node-inl.h" | 7 #include "src/compiler/generic-node-inl.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
11 namespace compiler { | 11 namespace compiler { |
12 | 12 |
13 void Node::Kill() { | 13 void Node::Kill() { |
14 DCHECK_NOT_NULL(op()); | 14 DCHECK_NOT_NULL(op()); |
15 RemoveAllInputs(); | 15 RemoveAllInputs(); |
16 DCHECK(uses().empty()); | 16 DCHECK(uses().empty()); |
17 set_op(NULL); | 17 set_op(NULL); |
18 } | 18 } |
19 | 19 |
20 | 20 |
21 void Node::CollectProjections(NodeVector* projections) { | 21 void Node::CollectProjections(NodeVector* projections) { |
22 for (size_t i = 0; i < projections->size(); i++) { | 22 for (size_t i = 0; i < projections->size(); i++) { |
23 (*projections)[i] = NULL; | 23 (*projections)[i] = NULL; |
24 } | 24 } |
25 for (UseIter i = uses().begin(); i != uses().end(); ++i) { | 25 for (UseIter i = uses().begin(); i != uses().end(); ++i) { |
26 if ((*i)->opcode() != IrOpcode::kProjection) continue; | 26 if ((*i)->opcode() != IrOpcode::kProjection) continue; |
27 int32_t index = OpParameter<int32_t>(*i); | 27 int index = OpParameter<int>(*i); |
28 DCHECK_GE(index, 0); | 28 DCHECK_GE(index, 0); |
29 DCHECK_LT(index, static_cast<int32_t>(projections->size())); | 29 DCHECK_LT(index, static_cast<int>(projections->size())); |
30 DCHECK_EQ(NULL, (*projections)[index]); | 30 DCHECK_EQ(NULL, (*projections)[index]); |
31 (*projections)[index] = *i; | 31 (*projections)[index] = *i; |
32 } | 32 } |
33 } | 33 } |
34 | 34 |
35 | 35 |
36 Node* Node::FindProjection(int32_t projection_index) { | 36 Node* Node::FindProjection(int projection_index) { |
37 for (UseIter i = uses().begin(); i != uses().end(); ++i) { | 37 for (UseIter i = uses().begin(); i != uses().end(); ++i) { |
38 if ((*i)->opcode() == IrOpcode::kProjection && | 38 if ((*i)->opcode() == IrOpcode::kProjection && |
39 OpParameter<int32_t>(*i) == projection_index) { | 39 OpParameter<int>(*i) == projection_index) { |
40 return *i; | 40 return *i; |
41 } | 41 } |
42 } | 42 } |
43 return NULL; | 43 return NULL; |
44 } | 44 } |
45 | 45 |
46 | 46 |
47 OStream& operator<<(OStream& os, const Operator& op) { return op.PrintTo(os); } | 47 OStream& operator<<(OStream& os, const Operator& op) { return op.PrintTo(os); } |
48 | 48 |
49 | 49 |
50 OStream& operator<<(OStream& os, const Node& n) { | 50 OStream& operator<<(OStream& os, const Node& n) { |
51 os << n.id() << ": " << *n.op(); | 51 os << n.id() << ": " << *n.op(); |
52 if (n.op()->InputCount() != 0) { | 52 if (n.op()->InputCount() != 0) { |
53 os << "("; | 53 os << "("; |
54 for (int i = 0; i < n.op()->InputCount(); ++i) { | 54 for (int i = 0; i < n.op()->InputCount(); ++i) { |
55 if (i != 0) os << ", "; | 55 if (i != 0) os << ", "; |
56 os << n.InputAt(i)->id(); | 56 os << n.InputAt(i)->id(); |
57 } | 57 } |
58 os << ")"; | 58 os << ")"; |
59 } | 59 } |
60 return os; | 60 return os; |
61 } | 61 } |
62 | 62 |
63 } // namespace compiler | 63 } // namespace compiler |
64 } // namespace internal | 64 } // namespace internal |
65 } // namespace v8 | 65 } // namespace v8 |
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