Adding unary op optimizations. missing assembly operations/

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
===================================================================
--- runtime/vm/il_printer.cc	(revision 8171)
+++ runtime/vm/il_printer.cc	(working copy)
@@ -77,7 +77,6 @@
   for (int i = 0; i < InputCount(); ++i) {
     if (i > 0) f->Print(", ");
     if (InputAt(i) != NULL) InputAt(i)->PrintTo(f);
-    f->Print(")");
   }
 }
 
@@ -289,6 +288,12 @@
 }
 
 
+void UnarySmiOpComp::PrintOperandsTo(BufferFormatter* f) const {
+  f->Print("%s, ", Token::Str(op_kind()));
+  value()->PrintTo(f);
+}
+
+
 void GraphEntryInstr::PrintTo(BufferFormatter* f) const {
   f->Print("%2d: [graph]", block_id());
 }