Land the Fan (disabled)

src/compiler/node-properties-inl.h

+// 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.
+
+#ifndef V8_COMPILER_NODE_PROPERTIES_INL_H_
+#define V8_COMPILER_NODE_PROPERTIES_INL_H_
+
+#include "src/v8.h"
+
+#include "src/compiler/common-operator.h"
+#include "src/compiler/node-properties.h"
+#include "src/compiler/opcodes.h"
+#include "src/compiler/operator.h"
+#include "src/compiler/operator-properties-inl.h"
+#include "src/compiler/operator-properties.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+// -----------------------------------------------------------------------------
+// Input counts & layout.
+// Inputs are always arranged in order as follows:
+//     0 [ values, context, effects, control ] node->InputCount()
+
+inline bool NodeProperties::HasValueInput(Node* node) {
+  return OperatorProperties::GetValueInputCount(node->op()) > 0;
+}
+
+inline bool NodeProperties::HasContextInput(Node* node) {
+  return OperatorProperties::HasContextInput(node->op());
+}
+
+inline bool NodeProperties::HasEffectInput(Node* node) {
+  return OperatorProperties::GetEffectInputCount(node->op()) > 0;
+}
+
+inline bool NodeProperties::HasControlInput(Node* node) {
+  return OperatorProperties::GetControlInputCount(node->op()) > 0;
+}
+
+
+inline int NodeProperties::GetValueInputCount(Node* node) {
+  return OperatorProperties::GetValueInputCount(node->op());
+}
+
+inline int NodeProperties::GetContextInputCount(Node* node) {
+  return OperatorProperties::HasContextInput(node->op()) ? 1 : 0;
+}
+
+inline int NodeProperties::GetEffectInputCount(Node* node) {
+  return OperatorProperties::GetEffectInputCount(node->op());
+}
+
+inline int NodeProperties::GetControlInputCount(Node* node) {
+  return OperatorProperties::GetControlInputCount(node->op());
+}
+
+
+inline int NodeProperties::FirstValueIndex(Node* node) { return 0; }
+
+inline int NodeProperties::FirstContextIndex(Node* node) {
+  return PastValueIndex(node);
+}
+
+inline int NodeProperties::FirstEffectIndex(Node* node) {
+  return PastContextIndex(node);
+}
+
+inline int NodeProperties::FirstControlIndex(Node* node) {
+  return PastEffectIndex(node);
+}
+
+
+inline int NodeProperties::PastValueIndex(Node* node) {
+  return FirstValueIndex(node) + GetValueInputCount(node);
+}
+
+inline int NodeProperties::PastContextIndex(Node* node) {
+  return FirstContextIndex(node) + GetContextInputCount(node);
+}
+
+inline int NodeProperties::PastEffectIndex(Node* node) {
+  return FirstEffectIndex(node) + GetEffectInputCount(node);
+}
+
+inline int NodeProperties::PastControlIndex(Node* node) {
+  return FirstControlIndex(node) + GetControlInputCount(node);
+}
+
+
+// -----------------------------------------------------------------------------
+// Input accessors.
+
+inline Node* NodeProperties::GetValueInput(Node* node, int index) {
+  ASSERT(0 <= index && index < GetValueInputCount(node));
+  return node->InputAt(FirstValueIndex(node) + index);
+}
+
+inline Node* NodeProperties::GetContextInput(Node* node) {
+  ASSERT(GetContextInputCount(node) > 0);
+  return node->InputAt(FirstContextIndex(node));
+}
+
+inline Node* NodeProperties::GetEffectInput(Node* node, int index) {
+  ASSERT(0 <= index && index < GetEffectInputCount(node));
+  return node->InputAt(FirstEffectIndex(node) + index);
+}
+
+inline Node* NodeProperties::GetControlInput(Node* node, int index) {
+  ASSERT(0 <= index && index < GetControlInputCount(node));
+  return node->InputAt(FirstControlIndex(node) + index);
+}
+
+
+// -----------------------------------------------------------------------------
+// Output counts.
+
+inline bool NodeProperties::HasValueOutput(Node* node) {
+  return GetValueOutputCount(node) > 0;
+}
+
+inline bool NodeProperties::HasEffectOutput(Node* node) {
+  return node->opcode() == IrOpcode::kStart ||
+         NodeProperties::GetEffectInputCount(node) > 0;
+}
+
+inline bool NodeProperties::HasControlOutput(Node* node) {
+  return (node->opcode() != IrOpcode::kEnd && IsControl(node)) ||
+         NodeProperties::CanLazilyDeoptimize(node);
+}
+
+
+inline int NodeProperties::GetValueOutputCount(Node* node) {
+  return OperatorProperties::GetValueOutputCount(node->op());
+}
+
+inline int NodeProperties::GetEffectOutputCount(Node* node) {
+  return HasEffectOutput(node) ? 1 : 0;
+}
+
+inline int NodeProperties::GetControlOutputCount(Node* node) {
+  return node->opcode() == IrOpcode::kBranch ? 2 : HasControlOutput(node) ? 1
+                                                                          : 0;
+}
+
+
+// -----------------------------------------------------------------------------
+// Edge kinds.
+
+inline bool NodeProperties::IsInputRange(Node::Edge edge, int first, int num) {
+  // TODO(titzer): edge.index() is linear time;
+  // edges maybe need to be marked as value/effect/control.
+  if (num == 0) return false;
+  int index = edge.index();
+  return first <= index && index < first + num;
+}
+
+inline bool NodeProperties::IsValueEdge(Node::Edge edge) {
+  Node* node = edge.from();
+  return IsInputRange(edge, FirstValueIndex(node), GetValueInputCount(node));
+}
+
+inline bool NodeProperties::IsContextEdge(Node::Edge edge) {
+  Node* node = edge.from();
+  return IsInputRange(edge, FirstContextIndex(node),
+                      GetContextInputCount(node));
+}
+
+inline bool NodeProperties::IsEffectEdge(Node::Edge edge) {
+  Node* node = edge.from();
+  return IsInputRange(edge, FirstEffectIndex(node), GetEffectInputCount(node));
+}
+
+inline bool NodeProperties::IsControlEdge(Node::Edge edge) {
+  Node* node = edge.from();
+  return IsInputRange(edge, FirstControlIndex(node),
+                      GetControlInputCount(node));
+}
+
+
+// -----------------------------------------------------------------------------
+// Miscellaneous predicates.
+
+inline bool NodeProperties::IsControl(Node* node) {
+  return IrOpcode::IsControlOpcode(node->opcode());
+}
+
+inline bool NodeProperties::IsBasicBlockBegin(Node* node) {
+  return OperatorProperties::IsBasicBlockBegin(node->op());
+}
+
+inline bool NodeProperties::CanBeScheduled(Node* node) {
+  return OperatorProperties::CanBeScheduled(node->op());
+}
+
+inline bool NodeProperties::HasFixedSchedulePosition(Node* node) {
+  return OperatorProperties::HasFixedSchedulePosition(node->op());
+}
+
+inline bool NodeProperties::IsScheduleRoot(Node* node) {
+  return OperatorProperties::IsScheduleRoot(node->op());
+}
+
+
+// -----------------------------------------------------------------------------
+// Miscellaneous mutators.
+
+inline void NodeProperties::ReplaceEffectInput(Node* node, Node* effect,
+                                               int index) {
+  ASSERT(index < GetEffectInputCount(node));
+  return node->ReplaceInput(
+      GetValueInputCount(node) + GetContextInputCount(node) + index, effect);
+}
+
+inline void NodeProperties::RemoveNonValueInputs(Node* node) {
+  node->TrimInputCount(GetValueInputCount(node));
+}
+
+
+// -----------------------------------------------------------------------------
+// Type Bounds.
+
+inline Bounds NodeProperties::GetBounds(Node* node) { return node->bounds(); }
+
+inline void NodeProperties::SetBounds(Node* node, Bounds b) {
+  node->set_bounds(b);
+}
+
+
+inline bool NodeProperties::CanLazilyDeoptimize(Node* node) {
+  return OperatorProperties::CanLazilyDeoptimize(node->op());
+}
+}
+}
+}  // namespace v8::internal::compiler
+
+#endif  // V8_COMPILER_NODE_PROPERTIES_INL_H_