diff options
| -rw-r--r-- | lib/CodeGen/ScheduleDAGPrinter.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/CodeGen/ScheduleDAGPrinter.cpp b/lib/CodeGen/ScheduleDAGPrinter.cpp index e2ae5a03c1..594c24d11d 100644 --- a/lib/CodeGen/ScheduleDAGPrinter.cpp +++ b/lib/CodeGen/ScheduleDAGPrinter.cpp @@ -83,9 +83,13 @@ std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU, void ScheduleDAG::viewGraph() { // This code is only for debugging! #ifndef NDEBUG - ViewGraph(this, "dag." + MF.getFunction()->getName(), - "Scheduling-Units Graph for " + MF.getFunction()->getName() + ':' + - BB->getBasicBlock()->getName()); + if (BB->getBasicBlock()) + ViewGraph(this, "dag." + MF.getFunction()->getName(), + "Scheduling-Units Graph for " + MF.getFunction()->getName() + ':' + + BB->getBasicBlock()->getName()); + else + ViewGraph(this, "dag." + MF.getFunction()->getName(), + "Scheduling-Units Graph for " + MF.getFunction()->getName()); #else cerr << "ScheduleDAG::viewGraph is only available in debug builds on " << "systems with Graphviz or gv!\n"; |