diff options
| author | Dan Gohman <gohman@apple.com> | 2007-08-28 20:32:58 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2007-08-28 20:32:58 +0000 |
| commit | 3e1a7aef17575d9c7058a035449d57e3c7295ed0 (patch) | |
| tree | 617ea3293c3d0db2315e4d7990a8ac85300a34b6 /lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | |
| parent | f5a69fe81f8c50e483e2c5ee1a890fc33383fdfb (diff) | |
Add an option, -view-sunit-dags, for viewing the actual SUnit DAGs used by
scheduling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41556 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 92e34bbc48..60a9cd1def 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -54,8 +54,11 @@ ViewISelDAGs("view-isel-dags", cl::Hidden, static cl::opt<bool> ViewSchedDAGs("view-sched-dags", cl::Hidden, cl::desc("Pop up a window to show sched dags as they are processed")); +static cl::opt<bool> +ViewSUnitDAGs("view-sunit-dags", cl::Hidden, + cl::desc("Pop up a window to show SUnit dags after they are processed")); #else -static const bool ViewISelDAGs = 0, ViewSchedDAGs = 0; +static const bool ViewISelDAGs = 0, ViewSchedDAGs = 0, ViewSUnitDAGs = 0; #endif //===---------------------------------------------------------------------===// @@ -4842,6 +4845,9 @@ void SelectionDAGISel::ScheduleAndEmitDAG(SelectionDAG &DAG) { ScheduleDAG *SL = Ctor(this, &DAG, BB); BB = SL->Run(); + + if (ViewSUnitDAGs) SL->viewGraph(); + delete SL; } |