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";