diff options
Diffstat (limited to 'llvm/lib/CodeGen/TargetSchedule.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetSchedule.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/TargetSchedule.cpp b/llvm/lib/CodeGen/TargetSchedule.cpp index f5181a362d7..19300070dfb 100644 --- a/llvm/lib/CodeGen/TargetSchedule.cpp +++ b/llvm/lib/CodeGen/TargetSchedule.cpp @@ -267,11 +267,10 @@ TargetSchedModel::computeInstrLatency(const MachineInstr *MI, unsigned TargetSchedModel:: computeOutputLatency(const MachineInstr *DefMI, unsigned DefOperIdx, const MachineInstr *DepMI) const { - if (SchedModel.MicroOpBufferSize <= 1) + if (!SchedModel.isOutOfOrder()) return 1; - // MicroOpBufferSize > 1 indicates an out-of-order processor that can dispatch - // WAW dependencies in the same cycle. + // Out-of-order processor can dispatch WAW dependencies in the same cycle. // Treat predication as a data dependency for out-of-order cpus. In-order // cpus do not need to treat predicated writes specially. |
