| // Copyright 2013 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. |
| |
| #include "src/compiler/node.h" |
| |
| #include "src/compiler/generic-node-inl.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| void Node::Kill() { |
| DCHECK_NOT_NULL(op()); |
| RemoveAllInputs(); |
| DCHECK(uses().empty()); |
| } |
| |
| |
| void Node::CollectProjections(NodeVector* projections) { |
| for (size_t i = 0; i < projections->size(); i++) { |
| (*projections)[i] = NULL; |
| } |
| for (UseIter i = uses().begin(); i != uses().end(); ++i) { |
| if ((*i)->opcode() != IrOpcode::kProjection) continue; |
| size_t index = OpParameter<size_t>(*i); |
| DCHECK_LT(index, projections->size()); |
| DCHECK_EQ(NULL, (*projections)[index]); |
| (*projections)[index] = *i; |
| } |
| } |
| |
| |
| Node* Node::FindProjection(size_t projection_index) { |
| for (UseIter i = uses().begin(); i != uses().end(); ++i) { |
| if ((*i)->opcode() == IrOpcode::kProjection && |
| OpParameter<size_t>(*i) == projection_index) { |
| return *i; |
| } |
| } |
| return NULL; |
| } |
| |
| |
| OStream& operator<<(OStream& os, const Operator& op) { return op.PrintTo(os); } |
| |
| |
| OStream& operator<<(OStream& os, const Node& n) { |
| os << n.id() << ": " << *n.op(); |
| if (n.op()->InputCount() != 0) { |
| os << "("; |
| for (int i = 0; i < n.op()->InputCount(); ++i) { |
| if (i != 0) os << ", "; |
| os << n.InputAt(i)->id(); |
| } |
| os << ")"; |
| } |
| return os; |
| } |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |