diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp index 6175bc275e..a50dd7b7c5 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp @@ -1572,15 +1572,14 @@ static bool hasCopyToRegUse(SUnit *SU) { } /// canClobberPhysRegDefs - True if SU would clobber one of SuccSU's -/// physical register def. +/// physical register defs. static bool canClobberPhysRegDefs(SUnit *SuccSU, SUnit *SU, const TargetInstrInfo *TII, const TargetRegisterInfo *TRI) { SDNode *N = SuccSU->Node; unsigned NumDefs = TII->get(N->getTargetOpcode()).getNumDefs(); const unsigned *ImpDefs = TII->get(N->getTargetOpcode()).getImplicitDefs(); - if (!ImpDefs) - return false; + assert(ImpDefs && "Caller should check hasPhysRegDefs"); const unsigned *SUImpDefs = TII->get(SU->Node->getTargetOpcode()).getImplicitDefs(); if (!SUImpDefs) |