diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp
index 21bbfde..3100882 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -58,7 +58,7 @@
         SUnit *&Def = Defs[*Alias];
         if (Def && Def != SU)
           Def->addPred(SU, /*isCtrl=*/true, /*isArtificial=*/false,
-                       /*PhyReg=*/*Alias, Cost);
+                       /*PhyReg=*/*Alias, Cost, /*isAntiDep=*/MO.isUse());
       }
 
       if (MO.isDef()) {