diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Target/TargetInstrInfo.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h index fc7b51ec6c..13bcee652f 100644 --- a/include/llvm/Target/TargetInstrInfo.h +++ b/include/llvm/Target/TargetInstrInfo.h @@ -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. + 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 |