Move input/output counts directly into Operators, simplying OperatorProperties.

src/compiler/operator-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_OPERATOR_PROPERTIES_INL_H_
 #define V8_COMPILER_OPERATOR_PROPERTIES_INL_H_
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator-properties.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 inline bool OperatorProperties::HasValueInput(const Operator* op) {
-  return OperatorProperties::GetValueInputCount(op) > 0;
+  return op->ValueInputCount() > 0;
 }
 
 inline bool OperatorProperties::HasContextInput(const Operator* op) {
   IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode());
   return IrOpcode::IsJsOpcode(opcode);
 }
 
 inline bool OperatorProperties::HasEffectInput(const Operator* op) {
-  return OperatorProperties::GetEffectInputCount(op) > 0;
+  return op->EffectInputCount() > 0;
 }
 
 inline bool OperatorProperties::HasControlInput(const Operator* op) {
-  return OperatorProperties::GetControlInputCount(op) > 0;
+  return op->ControlInputCount() > 0;
 }
 
 inline bool OperatorProperties::HasFrameStateInput(const Operator* op) {
   if (!FLAG_turbo_deoptimization) {
     return false;
   }
 
   switch (op->opcode()) {
     case IrOpcode::kFrameState:
       return true;
@@ skipping 44 matching lines @@
     // Other
     case IrOpcode::kJSDeleteProperty:
       return true;
 
     default:
       return false;
   }
 }
 
 inline int OperatorProperties::GetValueInputCount(const Operator* op) {
-  return op->InputCount();
+  return op->ValueInputCount();
 }
 
 inline int OperatorProperties::GetContextInputCount(const Operator* op) {
   return OperatorProperties::HasContextInput(op) ? 1 : 0;
 }
 
 inline int OperatorProperties::GetFrameStateInputCount(const Operator* op) {
   return OperatorProperties::HasFrameStateInput(op) ? 1 : 0;
 }
 
 inline int OperatorProperties::GetEffectInputCount(const Operator* op) {
-  if (op->opcode() == IrOpcode::kEffectPhi ||
-      op->opcode() == IrOpcode::kFinish ||
-      op->opcode() == IrOpcode::kTerminate) {
-    return OpParameter<int>(op);
-  }
-  if (op->HasProperty(Operator::kNoRead) && op->HasProperty(Operator::kNoWrite))
-    return 0;  // no effects.
-  return 1;
+  return op->EffectInputCount();
 }
 
 inline int OperatorProperties::GetControlInputCount(const Operator* op) {
-  // TODO(titzer): fix this mess; just make them a count on the operator.
-  switch (op->opcode()) {
-    case IrOpcode::kPhi:
-    case IrOpcode::kEffectPhi:
-    case IrOpcode::kLoad:
-    case IrOpcode::kLoadElement:
-    case IrOpcode::kLoadField:
-      return 1;
-#define OPCODE_CASE(x) case IrOpcode::k##x:
-      CONTROL_OP_LIST(OPCODE_CASE)
-#undef OPCODE_CASE
-      if (op->opcode() == IrOpcode::kBranch) return 1;
-      if (op->opcode() == IrOpcode::kTerminate) return 1;
-      // Control operators are Operator1<int>.
-      return OpParameter<int>(op);
-    default:
-      // Operators that have write effects must have a control
-      // dependency. Effect dependencies only ensure the correct order of
-      // write/read operations without consideration of control flow. Without an
-      // explicit control dependency writes can be float in the schedule too
-      // early along a path that shouldn't generate a side-effect.
-      return op->HasProperty(Operator::kNoWrite) ? 0 : 1;
-  }
-  return 0;
+  return op->ControlInputCount();
 }
 
 inline int OperatorProperties::GetTotalInputCount(const Operator* op) {
   return GetValueInputCount(op) + GetContextInputCount(op) +
          GetFrameStateInputCount(op) + GetEffectInputCount(op) +
          GetControlInputCount(op);
 }
 
 // -----------------------------------------------------------------------------
 // Output properties.
 
 inline bool OperatorProperties::HasValueOutput(const Operator* op) {
   return GetValueOutputCount(op) > 0;
 }
 
 inline bool OperatorProperties::HasEffectOutput(const Operator* op) {
-  return op->opcode() == IrOpcode::kStart ||
-         op->opcode() == IrOpcode::kValueEffect ||
-         (op->opcode() != IrOpcode::kFinish &&
-          op->opcode() != IrOpcode::kTerminate && GetEffectInputCount(op) > 0);
+  return op->EffectOutputCount() > 0;
 }
 
 inline bool OperatorProperties::HasControlOutput(const Operator* op) {
-  IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode());
-  return (opcode != IrOpcode::kEnd && IrOpcode::IsControlOpcode(opcode));
+  return op->ControlOutputCount() > 0;
 }
 
 
 inline int OperatorProperties::GetValueOutputCount(const Operator* op) {
-  return op->OutputCount();
+  return op->ValueOutputCount();
 }
 
 inline int OperatorProperties::GetEffectOutputCount(const Operator* op) {
-  return HasEffectOutput(op) ? 1 : 0;
+  return op->EffectOutputCount();
 }
 
-inline int OperatorProperties::GetControlOutputCount(const Operator* node) {
-  return node->opcode() == IrOpcode::kBranch ? 2 : HasControlOutput(node) ? 1
-                                                                          : 0;
+inline int OperatorProperties::GetControlOutputCount(const Operator* op) {
+  return op->ControlOutputCount();
 }
 
 
 inline bool OperatorProperties::IsBasicBlockBegin(const Operator* op) {
   uint8_t opcode = op->opcode();
   return opcode == IrOpcode::kStart || opcode == IrOpcode::kEnd ||
          opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop ||
          opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue ||
          opcode == IrOpcode::kIfFalse;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPERATOR_PROPERTIES_INL_H_