diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/CodeGen/TargetSchedule.h | 8 | ||||
| -rw-r--r-- | include/llvm/Target/TargetInstrInfo.h | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/TargetSchedule.h b/include/llvm/CodeGen/TargetSchedule.h index f2adcf8..8ef26b7 100644 --- a/include/llvm/CodeGen/TargetSchedule.h +++ b/include/llvm/CodeGen/TargetSchedule.h @@ -152,7 +152,13 @@ public: /// Compute and return the expected latency of this instruction independent of /// a particular use. computeOperandLatency is the prefered API, but this is /// occasionally useful to help estimate instruction cost. - unsigned computeInstrLatency(const MachineInstr *MI) const; + /// + /// If UseDefaultDefLatency is false and no new machine sched model is + /// present this method falls back to TII->getInstrLatency with an empty + /// instruction itinerary (this is so we preserve the previous behavior of the + /// if converter after moving it to TargetSchedModel). + unsigned computeInstrLatency(const MachineInstr *MI, + bool UseDefaultDefLatency = true) const; /// \brief Output dependency latency of a pair of defs of the same register. /// diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h index d92ad42..b8599da 100644 --- a/include/llvm/Target/TargetInstrInfo.h +++ b/include/llvm/Target/TargetInstrInfo.h @@ -823,6 +823,8 @@ public: const MachineInstr *MI, unsigned *PredCost = 0) const; + virtual unsigned getPredicationCost(const MachineInstr *MI) const; + virtual int getInstrLatency(const InstrItineraryData *ItinData, SDNode *Node) const; |