diff options
Diffstat (limited to 'include/llvm/CodeGen/ScheduleDAG.h')
-rw-r--r-- | include/llvm/CodeGen/ScheduleDAG.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h index 66bf8c5dd7..c49a9a7f56 100644 --- a/include/llvm/CodeGen/ScheduleDAG.h +++ b/include/llvm/CodeGen/ScheduleDAG.h @@ -184,6 +184,12 @@ namespace llvm { || Contents.OrdKind == MustAliasMem); } + /// isBarrier - Test if this is an Order dependence that is marked + /// as a barrier. + bool isBarrier() const { + return getKind() == Order && Contents.OrdKind == Barrier; + } + /// isMustAlias - Test if this is an Order dependence that is marked /// as "must alias", meaning that the SUnits at either end of the edge /// have a memory dependence on a known memory location. |