Land the Fan (disabled)

src/compiler/graph-replay.cc

+// Copyright 2014 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/graph-replay.h"
+
+#include "src/compiler/common-operator.h"
+#include "src/compiler/graph.h"
+#include "src/compiler/graph-inl.h"
+#include "src/compiler/node.h"
+#include "src/compiler/operator.h"
+#include "src/compiler/operator-properties-inl.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+#ifdef DEBUG
+
+void GraphReplayPrinter::PrintReplay(Graph* graph) {
+  GraphReplayPrinter replay;
+  PrintF("  Node* nil = graph.NewNode(common_builder.Dead());\n");
+  graph->VisitNodeInputsFromEnd(&replay);
+}
+
+
+GenericGraphVisit::Control GraphReplayPrinter::Pre(Node* node) {
+  PrintReplayOpCreator(node->op());
+  PrintF("  Node* n%d = graph.NewNode(op", node->id());
+  for (int i = 0; i < node->InputCount(); ++i) {
+    PrintF(", nil");
+  }
+  PrintF("); USE(n%d);\n", node->id());
+  return GenericGraphVisit::CONTINUE;
+}
+
+
+void GraphReplayPrinter::PostEdge(Node* from, int index, Node* to) {
+  PrintF("  n%d->ReplaceInput(%d, n%d);\n", from->id(), index, to->id());
+}
+
+
+void GraphReplayPrinter::PrintReplayOpCreator(Operator* op) {
+  IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode());
+  const char* builder = IrOpcode::IsCommonOpcode(opcode)
+      ? "common_builder" : "js_builder";
+  const char* mnemonic = IrOpcode::IsCommonOpcode(opcode)
+      ? IrOpcode::Mnemonic(opcode) : IrOpcode::Mnemonic(opcode) + 2;
+  PrintF("  op = %s.%s(", builder, mnemonic);
+  switch (opcode) {
+  case IrOpcode::kParameter:
+  case IrOpcode::kNumberConstant:
+    PrintF("0");
+    break;
+  case IrOpcode::kLoad:
+    PrintF("unique_name");
+    break;
+  case IrOpcode::kHeapConstant:
+    PrintF("unique_constant");
+    break;
+  case IrOpcode::kPhi:
+    PrintF("%d", op->InputCount());
+    break;
+  case IrOpcode::kEffectPhi:
+    PrintF("%d", OperatorProperties::GetEffectInputCount(op));
+    break;
+  case IrOpcode::kLoop:
+  case IrOpcode::kMerge:
+    PrintF("%d", OperatorProperties::GetControlInputCount(op));
+    break;
+  default:
+    break;
+  }
+  PrintF(");\n");
+}
+
+#endif  // DEBUG
+
+} } }  // namespace v8::internal::compiler