Classes: Add basic support for properties

src/compiler/operator-properties-inl.h

Index: src/compiler/operator-properties-inl.h
diff --git a/src/compiler/operator-properties-inl.h b/src/compiler/operator-properties-inl.h
index 2ddaeca145c8163f3232cdbcd8c4408807b2ed55..7c2ae1635ffeffb8d422ded1fa05a2fffb494a29 100644
--- a/src/compiler/operator-properties-inl.h
+++ b/src/compiler/operator-properties-inl.h
@@ -81,6 +81,9 @@ inline bool OperatorProperties::HasFrameStateInput(const Operator* op) {
     case IrOpcode::kJSStoreProperty:
     case IrOpcode::kJSSubtract:
 
+    // Conversions
+    case IrOpcode::kJSToObject:
+
     // Other
     case IrOpcode::kJSDeleteProperty:
       return true;
@@ -104,7 +107,8 @@ inline int OperatorProperties::GetFrameStateInputCount(const Operator* op) {
 
 inline int OperatorProperties::GetEffectInputCount(const Operator* op) {
   if (op->opcode() == IrOpcode::kEffectPhi ||
-      op->opcode() == IrOpcode::kFinish) {
+      op->opcode() == IrOpcode::kFinish ||
+      op->opcode() == IrOpcode::kTerminate) {
     return OpParameter<int>(op);
   }
   if (op->HasProperty(Operator::kNoRead) && op->HasProperty(Operator::kNoWrite))
@@ -113,6 +117,7 @@ inline int OperatorProperties::GetEffectInputCount(const Operator* op) {
 }
 
 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:
@@ -123,6 +128,8 @@ inline int OperatorProperties::GetControlInputCount(const Operator* op) {
 #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:
@@ -152,7 +159,8 @@ inline bool OperatorProperties::HasValueOutput(const Operator* op) {
 inline bool OperatorProperties::HasEffectOutput(const Operator* op) {
   return op->opcode() == IrOpcode::kStart ||
          op->opcode() == IrOpcode::kValueEffect ||
-         (op->opcode() != IrOpcode::kFinish && GetEffectInputCount(op) > 0);
+         (op->opcode() != IrOpcode::kFinish &&
+          op->opcode() != IrOpcode::kTerminate && GetEffectInputCount(op) > 0);
 }
 
 inline bool OperatorProperties::HasControlOutput(const Operator* op) {