Fix a bug in SSA renaming.

vm/il_printer.cc

Index: vm/il_printer.cc
===================================================================
--- vm/il_printer.cc	(revision 8839)
+++ vm/il_printer.cc	(working copy)
@@ -87,7 +87,7 @@
 
 void UseVal::PrintTo(BufferFormatter* f) const {
   if (definition()->ssa_temp_index() != -1) {
-    f->Print("t%d", definition()->ssa_temp_index());
+    f->Print("v%d", definition()->ssa_temp_index());
   } else {
     f->Print("t%d", definition()->temp_index());
   }
@@ -358,7 +358,7 @@
 
 
 void PhiInstr::PrintTo(BufferFormatter* f) const {
-  f->Print("    t%d <- phi(", ssa_temp_index());
+  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(",");
@@ -385,7 +385,7 @@
 
 void BindInstr::PrintTo(BufferFormatter* f) const {
   if (ssa_temp_index() != -1) {
-    f->Print("    t%d <- ", ssa_temp_index());
+    f->Print("    v%d <- ", ssa_temp_index());
   } else {
     f->Print("    t%d <- ", temp_index());
   }
@@ -570,7 +570,7 @@
 
 
 void PhiInstr::PrintToVisualizer(BufferFormatter* f) const {
-  f->Print("t%d [", ssa_temp_index());
+  f->Print("v%d [", ssa_temp_index());
   bool has_constant = false;
   for (intptr_t i = 0; i < InputCount(); ++i) {
     if (i > 0) f->Print(" ");
@@ -615,7 +615,7 @@
 
 void BindInstr::PrintToVisualizer(BufferFormatter* f) const {
   if (ssa_temp_index() != -1) {
-    f->Print("t%d ", ssa_temp_index());
+    f->Print("v%d ", ssa_temp_index());
   } else {
     f->Print("t%d ", temp_index());
   }