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-rw-r--r--include/llvm/Target/TargetInstrInfo.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index 67b61ec..ab848b0 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -678,6 +678,15 @@ public:
unsigned UseIdx) const;
/// computeOperandLatency - Compute and return the latency of the given data
+ /// dependent def and use when the operand indices are already known.
+ ///
+ /// FindMin may be set to get the minimum vs. expected latency.
+ unsigned computeOperandLatency(const InstrItineraryData *ItinData,
+ const MachineInstr *DefMI, unsigned DefIdx,
+ const MachineInstr *UseMI, unsigned UseIdx,
+ bool FindMin = false) const;
+
+ /// computeOperandLatency - Compute and return the latency of the given data
/// dependent def and use. DefMI must be a valid def. UseMI may be NULL for
/// an unknown use. If the subtarget allows, this may or may not need to call
/// getOperandLatency().