Land the Fan (disabled)

src/compiler/schedule.cc

Index: src/compiler/schedule.cc
diff --git a/src/compiler/schedule.cc b/src/compiler/schedule.cc
new file mode 100644
index 0000000000000000000000000000000000000000..64766765bf0b9a91e69d0850b5887e104bf7126f
--- /dev/null
+++ b/src/compiler/schedule.cc
@@ -0,0 +1,92 @@
+// 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/node-properties.h"
+#include "src/compiler/node-properties-inl.h"
+#include "src/compiler/schedule.h"
+#include "src/ostreams.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+OStream& operator<<(OStream& os, const BasicBlockData::Control& c) {
+  switch (c) {
+    case BasicBlockData::kNone:
+      return os << "none";
+    case BasicBlockData::kGoto:
+      return os << "goto";
+    case BasicBlockData::kBranch:
+      return os << "branch";
+    case BasicBlockData::kReturn:
+      return os << "return";
+    case BasicBlockData::kThrow:
+      return os << "throw";
+    case BasicBlockData::kCall:
+      return os << "call";
+    case BasicBlockData::kDeoptimize:
+      return os << "deoptimize";
+  }
+  UNREACHABLE();
+  return os;
+}
+
+
+OStream& operator<<(OStream& os, const Schedule& s) {
+  // TODO(svenpanne) Const-correct the RPO stuff/iterators.
+  BasicBlockVector* rpo = const_cast<Schedule*>(&s)->rpo_order();
+  for (BasicBlockVectorIter i = rpo->begin(); i != rpo->end(); ++i) {
+    BasicBlock* block = *i;
+    os << "--- BLOCK B" << block->id();
+    if (block->PredecessorCount() != 0) os << " <- ";
+    BasicBlock::Predecessors predecessors = block->predecessors();
+    bool comma = false;
+    for (BasicBlock::Predecessors::iterator j = predecessors.begin();
+         j != predecessors.end(); ++j) {
+      if (comma) os << ", ";
+      comma = true;
+      os << "B" << (*j)->id();
+    }
+    os << " ---\n";
+    for (BasicBlock::const_iterator j = block->begin(); j != block->end();
+         ++j) {
+      Node* node = *j;
+      os << "  " << *node;
+      if (!NodeProperties::IsControl(node)) {
+        Bounds bounds = NodeProperties::GetBounds(node);
+        os << " : ";
+        bounds.lower->PrintTo(os);
+        if (!bounds.upper->Is(bounds.lower)) {
+          os << "..";
+          bounds.upper->PrintTo(os);
+        }
+      }
+      os << "\n";
+    }
+    BasicBlock::Control control = block->control_;
+    if (control != BasicBlock::kNone) {
+      os << "  ";
+      if (block->control_input_ != NULL) {
+        os << *block->control_input_;
+      } else {
+        os << "Goto";
+      }
+      os << " -> ";
+      BasicBlock::Successors successors = block->successors();
+      comma = false;
+      for (BasicBlock::Successors::iterator j = successors.begin();
+           j != successors.end(); ++j) {
+        if (comma) os << ", ";
+        comma = true;
+        os << "B" << (*j)->id();
+      }
+      os << "\n";
+    }
+  }
+  return os;
+}
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8