vendor/llvm/llvm-r130700

1 files changed, 5 insertions, 1 deletions

diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index fc7b51ec6c2c..418f3fe062f2 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -477,7 +477,7 @@ public:
   }
 
   /// shouldScheduleLoadsNear - This is a used by the pre-regalloc scheduler to
-  /// determine (in conjuction with areLoadsFromSameBasePtr) if two loads should
+  /// determine (in conjunction with areLoadsFromSameBasePtr) if two loads should
   /// be scheduled togther. On some targets if two loads are loading from
   /// addresses in the same cache line, it's better if they are scheduled
   /// together. This function takes two integers that represent the load offsets
@@ -641,6 +641,10 @@ public:
   virtual int getInstrLatency(const InstrItineraryData *ItinData,
                               SDNode *Node) const;
 
+  /// isHighLatencyDef - Return true if this opcode has high latency to its
+  /// result.
+  virtual bool isHighLatencyDef(int opc) const { return false; }
+
   /// hasHighOperandLatency - Compute operand latency between a def of 'Reg'
   /// and an use in the current loop, return true if the target considered
   /// it 'high'. This is used by optimization passes such as machine LICM to