src/share/vm/opto/machnode.cpp

@@ -666,12 +666,12 @@
 
 //=============================================================================
 
 uint MachCallNode::cmp( const Node &n ) const
 { return _tf == ((MachCallNode&)n)._tf; }
-const Type *MachCallNode::bottom_type() const { return tf()->range(); }
-const Type* MachCallNode::Value(PhaseGVN* phase) const { return tf()->range(); }
+const Type *MachCallNode::bottom_type() const { return tf()->range_cc(); }
+const Type* MachCallNode::Value(PhaseGVN* phase) const { return tf()->range_cc(); }
 
 #ifndef PRODUCT
 void MachCallNode::dump_spec(outputStream *st) const {
   st->print("# ");
   if (tf() != NULL)  tf()->dump_on(st);

@@ -679,15 +679,17 @@
   if (jvms() != NULL)  jvms()->dump_spec(st);
 }
 #endif
 
 bool MachCallNode::return_value_is_used() const {
-  if (tf()->range()->cnt() == TypeFunc::Parms) {
+  if (tf()->range_sig()->cnt() == TypeFunc::Parms) {
     // void return
     return false;
   }
 
+  assert(tf()->returns_value_type_as_fields(), "multiple return values not supported");
+
   // find the projection corresponding to the return value
   for (DUIterator_Fast imax, i = fast_outs(imax); i < imax; i++) {
     Node *use = fast_out(i);
     if (!use->is_Proj()) continue;
     if (use->as_Proj()->_con == TypeFunc::Parms) {

@@ -699,15 +701,19 @@
 
 // Similar to cousin class CallNode::returns_pointer
 // Because this is used in deoptimization, we want the type info, not the data
 // flow info; the interpreter will "use" things that are dead to the optimizer.
 bool MachCallNode::returns_pointer() const {
-  const TypeTuple *r = tf()->range();
+  const TypeTuple *r = tf()->range_sig();
   return (r->cnt() > TypeFunc::Parms &&
           r->field_at(TypeFunc::Parms)->isa_ptr());
 }
 
+bool MachCallNode::returns_vt() const {
+  return tf()->returns_value_type_as_fields();
+}
+
 //------------------------------Registers--------------------------------------
 const RegMask &MachCallNode::in_RegMask(uint idx) const {
   // Values in the domain use the users calling convention, embodied in the
   // _in_rms array of RegMasks.
   if (idx < tf()->domain_sig()->cnt()) {