1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h
index d86b1d2ec99..eedb675a330 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.h
+++ b/llvm/lib/Target/ARM/ARMSubtarget.h
@@ -236,6 +236,10 @@ protected:
   /// instructions.
   bool HasDataBarrier = false;
 
+  /// HasFullDataBarrier - True if the subtarget supports DFB data barrier
+  /// instruction.
+  bool HasFullDataBarrier = false;
+
   /// HasV7Clrex - True if the subtarget supports CLREX instructions
   bool HasV7Clrex = false;
 
@@ -544,6 +548,7 @@ public:
   bool hasDivideInThumbMode() const { return HasHardwareDivideInThumb; }
   bool hasDivideInARMMode() const { return HasHardwareDivideInARM; }
   bool hasDataBarrier() const { return HasDataBarrier; }
+  bool hasFullDataBarrier() const { return HasFullDataBarrier; }
   bool hasV7Clrex() const { return HasV7Clrex; }
   bool hasAcquireRelease() const { return HasAcquireRelease; }