provides a mechanism for optimizing compilers to select the different Register configuration.

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 47ca259e74dc7f96f9a9faa1ef2df92f960e5e00..1b0997a6bd899b23164bf0a4167fb39f204887bd 100644
--- a/src/compiler/graph-visualizer.cc
+++ b/src/compiler/graph-visualizer.cc
@@ -674,8 +674,9 @@ void GraphC1Visualizer::PrintSchedule(const char* phase,
       for (int j = instruction_block->first_instruction_index();
            j <= instruction_block->last_instruction_index(); j++) {
         PrintIndent();
-        PrintableInstruction printable = {RegisterConfiguration::ArchDefault(),
-                                          instructions->InstructionAt(j)};
+        PrintableInstruction printable = {
+            RegisterConfiguration::ArchDefault(RegisterConfiguration::TURBOFAN),
+            instructions->InstructionAt(j)};
         os_ << j << " " << printable << " <|@\n";
       }
     }