[turbolizer] distinguish optimization attempts

src/compiler/graph-visualizer.cc

Index: src/compiler/graph-visualizer.cc
diff --git a/src/compiler/graph-visualizer.cc b/src/compiler/graph-visualizer.cc
index 1043c91e2a7e01c33ad206b0d422abb553360451..371eff9f5cb52f9ae364aa02f40490c25f3a1a51 100644
--- a/src/compiler/graph-visualizer.cc
+++ b/src/compiler/graph-visualizer.cc
@@ -34,9 +34,15 @@ std::unique_ptr<char[]> GetVisualizerLogFileName(CompilationInfo* info,
   EmbeddedVector<char, 256> filename(0);
   std::unique_ptr<char[]> debug_name = info->GetDebugName();
   if (strlen(debug_name.get()) > 0) {
-    SNPrintF(filename, "turbo-%s", debug_name.get());
+    if (info->has_shared_info()) {
+      int attempt = info->shared_info()->opt_count();
+      SNPrintF(filename, "turbo-%s-%i", debug_name.get(), attempt);
+    } else {
+      SNPrintF(filename, "turbo-%s", debug_name.get());
+    }
   } else if (info->has_shared_info()) {
-    SNPrintF(filename, "turbo-%p", static_cast<void*>(info));
+    int attempt = info->shared_info()->opt_count();
+    SNPrintF(filename, "turbo-%p-%i", static_cast<void*>(info), attempt);
   } else {
     SNPrintF(filename, "turbo-none-%s", phase);
   }