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Diffstat (limited to 'lib/CodeGen/ScheduleDAGInstrs.h')
| -rw-r--r-- | lib/CodeGen/ScheduleDAGInstrs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/ScheduleDAGInstrs.h b/lib/CodeGen/ScheduleDAGInstrs.h index 6e672f4..666bdf5 100644 --- a/lib/CodeGen/ScheduleDAGInstrs.h +++ b/lib/CodeGen/ScheduleDAGInstrs.h @@ -48,7 +48,8 @@ namespace llvm { /// VisitLoop - Clear out any previous state and analyze the given loop. /// void VisitLoop(const MachineLoop *Loop) { - Deps.clear(); + assert(Deps.empty() && "stale loop dependencies"); + MachineBasicBlock *Header = Loop->getHeader(); SmallSet<unsigned, 8> LoopLiveIns; for (MachineBasicBlock::livein_iterator LI = Header->livein_begin(), |