diff options
| -rw-r--r-- | lib/CodeGen/ScheduleDAGInstrs.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp index 1c455b95ab..6be1ab7f5b 100644 --- a/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -209,13 +209,13 @@ void ScheduleDAGInstrs::addSchedBarrierDeps() { } else { // For others, e.g. fallthrough, conditional branch, assume the exit // uses all the registers that are livein to the successor blocks. - SmallSet<unsigned, 8> Seen; + assert(Uses.empty() && "Uses in set before adding deps?"); for (MachineBasicBlock::succ_iterator SI = BB->succ_begin(), SE = BB->succ_end(); SI != SE; ++SI) for (MachineBasicBlock::livein_iterator I = (*SI)->livein_begin(), E = (*SI)->livein_end(); I != E; ++I) { unsigned Reg = *I; - if (Seen.insert(Reg)) + if (!Uses.contains(Reg)) Uses[Reg].push_back(&ExitSU); } } |