diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.h')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.h b/contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.h index 8a4ea85..666bdf5 100644 --- a/contrib/llvm/lib/CodeGen/ScheduleDAGInstrs.h +++ b/contrib/llvm/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(), @@ -109,7 +110,7 @@ namespace llvm { /// initialized and destructed for each block. std::vector<std::vector<SUnit *> > Defs; std::vector<std::vector<SUnit *> > Uses; - + /// PendingLoads - Remember where unknown loads are after the most recent /// unknown store, as we iterate. As with Defs and Uses, this is here /// to minimize construction/destruction. @@ -127,7 +128,7 @@ namespace llvm { protected: /// DbgValues - Remember instruction that preceeds DBG_VALUE. - typedef std::vector<std::pair<MachineInstr *, MachineInstr *> > + typedef std::vector<std::pair<MachineInstr *, MachineInstr *> > DbgValueVector; DbgValueVector DbgValues; MachineInstr *FirstDbgValue; |
