[llvm] r197098 - Add isBarrier to SDep
Hal Finkel
hfinkel at anl.gov
Wed Dec 11 16:19:07 PST 2013
Author: hfinkel
Date: Wed Dec 11 18:19:07 2013
New Revision: 197098
URL: http://llvm.org/viewvc/llvm-project?rev=197098&view=rev
Log:
Add isBarrier to SDep
SDep had is* functions for the other kinds of order dependencies (isMustAlias,
isWeak, isArtificial, etc.), but not for barrier. Upcoming commits in the
PowerPC backend will make use of this function.
Modified:
llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h
Modified: llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h?rev=197098&r1=197097&r2=197098&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h (original)
+++ llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h Wed Dec 11 18:19:07 2013
@@ -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.
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