diff options
| -rw-r--r-- | llvm/lib/CodeGen/MachineScheduler.cpp | 7 | 
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp index da01f6f5bbe..d60f17ad07f 100644 --- a/llvm/lib/CodeGen/MachineScheduler.cpp +++ b/llvm/lib/CodeGen/MachineScheduler.cpp @@ -100,8 +100,11 @@ static cl::opt<std::string> SchedOnlyFunc("misched-only-func", cl::Hidden,    cl::desc("Only schedule this function"));  static cl::opt<unsigned> SchedOnlyBlock("misched-only-block", cl::Hidden,                                          cl::desc("Only schedule this MBB#")); +static cl::opt<bool> PrintDAGs("misched-print-dags", cl::Hidden, +                              cl::desc("Print schedule DAGs"));  #else -static bool ViewMISchedDAGs = false; +static const bool ViewMISchedDAGs = false; +static const bool PrintDAGs = false;  #endif // NDEBUG  /// Avoid quadratic complexity in unusually large basic blocks by limiting the @@ -765,6 +768,7 @@ void ScheduleDAGMI::schedule() {    findRootsAndBiasEdges(TopRoots, BotRoots);    LLVM_DEBUG(dump()); +  if (PrintDAGs) dump();    if (ViewMISchedDAGs) viewGraph();    // Initialize the strategy before modifying the DAG. @@ -1218,6 +1222,7 @@ void ScheduleDAGMILive::schedule() {    SchedImpl->initialize(this);    LLVM_DEBUG(dump()); +  if (PrintDAGs) dump();    if (ViewMISchedDAGs) viewGraph();    // Initialize ready queues now that the DAG and priority data are finalized.  | 

