Add an explicit push-argument instruction to the IL.

vm/il_printer.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/il_printer.h"
 
 #include "vm/intermediate_language.h"
 #include "vm/os.h"
 
 namespace dart {
@@ skipping 134 matching lines @@
   instantiator()->PrintTo(f);
   f->Print(")");
   f->Print(" instantiator_type_arguments(");
   instantiator_type_arguments()->PrintTo(f);
   f->Print(")");
 }
 
 
 void ClosureCallComp::PrintOperandsTo(BufferFormatter* f) const {
   for (intptr_t i = 0; i < ArgumentCount(); ++i) {
-    if (i == 0) f->Print(", ");
-    ArgumentAt(i)->PrintTo(f);
+    if (i > 0) f->Print(", ");
+    f->Print("cid%d", ArgumentAt(i)->cid());
   }
 }
 
 
 void InstanceCallComp::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s", function_name().ToCString());
   for (intptr_t i = 0; i < ArgumentCount(); ++i) {
     f->Print(", ");
     ArgumentAt(i)->PrintTo(f);
   }
@@ skipping 121 matching lines @@
     if (i != 0) f->Print(", ");
     ElementAt(i)->PrintTo(f);
   }
   if (ElementCount() > 0) f->Print(", ");
   element_type()->PrintTo(f);
 }
 
 
 void CreateClosureComp::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s", function().ToCString());
-  f->Print(", ");
-  type_arguments()->PrintTo(f);
-  f->Print(", ");
-  receiver()->PrintTo(f);
 }
 
 
 void LoadVMFieldComp::PrintOperandsTo(BufferFormatter* f) const {
   value()->PrintTo(f);
   f->Print(", %d", offset_in_bytes());
 }
 
 
 void StoreVMFieldComp::PrintOperandsTo(BufferFormatter* f) const {
@@ skipping 103 matching lines @@
     f->Print("    ");
   } else if (HasSSATemp()) {
     f->Print("    v%d <- ", ssa_temp_index());
   } else {
     f->Print("    t%d <- ", temp_index());
   }
   computation()->PrintTo(f);
 }
 
 
+void PushArgumentInstr::PrintTo(BufferFormatter* f) const {
+  f->Print("    %s:%d ", DebugName(), cid());
+  value()->PrintTo(f);
+}
+
+
 void ReturnInstr::PrintTo(BufferFormatter* f) const {
   f->Print("    %s ", DebugName());
   value()->PrintTo(f);
 }
 
 
 void ThrowInstr::PrintTo(BufferFormatter* f) const {
   f->Print("    %s ", DebugName());
   exception()->PrintTo(f);
 }
@@ skipping 238 matching lines @@
     f->Print("_ ");
   } else if (HasSSATemp()) {
     f->Print("v%d ", ssa_temp_index());
   } else {
     f->Print("t%d ", temp_index());
   }
   computation()->PrintTo(f);
 }
 
 
+void PushArgumentInstr::PrintToVisualizer(BufferFormatter* f) const {
+  f->Print("_ %s:%d ", DebugName(), cid());
+  value()->PrintTo(f);
+}
+
+
 void ReturnInstr::PrintToVisualizer(BufferFormatter* f) const {
   f->Print("_ %s ", DebugName());
   value()->PrintTo(f);
 }
 
 
 void ThrowInstr::PrintToVisualizer(BufferFormatter* f) const {
   f->Print("_ %s ", DebugName());
   exception()->PrintTo(f);
 }
@@ skipping 37 matching lines @@
     if ((i < locations_.length()) && !locations_[i].IsInvalid()) {
       f->Print(" [");
       locations_[i].PrintTo(f);
       f->Print("]");
     }
   }
   f->Print(" }");
 }
 
 }  // namespace dart