diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachinePipeliner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachinePipeliner.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachinePipeliner.cpp b/llvm/lib/CodeGen/MachinePipeliner.cpp index 86d2c2e3552..17c256439c7 100644 --- a/llvm/lib/CodeGen/MachinePipeliner.cpp +++ b/llvm/lib/CodeGen/MachinePipeliner.cpp @@ -2489,7 +2489,9 @@ void SwingSchedulerDAG::generateEpilog(SMSchedule &Schedule, unsigned LastStage, continue; MachineInstr *In = &BBI; if (Schedule.isScheduledAtStage(getSUnit(In), StageNum)) { - MachineInstr *NewMI = cloneInstr(In, EpilogStage - LastStage, 0); + // Instructions with memoperands in the epilog are updated with + // conservative values. + MachineInstr *NewMI = cloneInstr(In, UINT_MAX, 0); updateInstruction(NewMI, i == 1, EpilogStage, 0, Schedule, VRMap); NewBB->push_back(NewMI); InstrMap[NewMI] = In; @@ -3157,7 +3159,7 @@ void SwingSchedulerDAG::updateMemOperands(MachineInstr &NewMI, continue; } unsigned Delta; - if (computeDelta(OldMI, Delta)) { + if (Num != UINT_MAX && computeDelta(OldMI, Delta)) { int64_t AdjOffset = Delta * Num; NewMemRefs[Refs++] = MF.getMachineMemOperand(MMO, AdjOffset, MMO->getSize()); |
