Some cleanups.

runtime/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 369 matching lines @@
       (*phis_)[i]->PrintTo(f);
     }
   }
 }
 
 
 void PhiInstr::PrintTo(BufferFormatter* f) const {
   f->Print("    v%d <- phi(", ssa_temp_index());
   for (intptr_t i = 0; i < inputs_.length(); ++i) {
     if (inputs_[i] != NULL) inputs_[i]->PrintTo(f);
-    if (i < inputs_.length() - 1) f->Print(",");
+    if (i < inputs_.length() - 1) f->Print(", ");
   }
   f->Print(")");
 }
 
 
 void ParameterInstr::PrintTo(BufferFormatter* f) const {
   f->Print("    v%d <- parameter(%d)",
            HasSSATemp() ? ssa_temp_index() : temp_index(),
            index());
 }
@@ skipping 329 matching lines @@
     if ((i < locations_.length()) && !locations_[i].IsInvalid()) {
       f->Print(" [");
       locations_[i].PrintTo(f);
       f->Print("]");
     }
   }
   f->Print(" }");
 }
 
 }  // namespace dart