Lines Matching full:duplicate

1 //===- TailDuplicator.cpp - Duplicate blocks into predecessors' tails -----===//
158 /// Tail duplicate the block and cleanup.
277 /// through. Tail-duplicate their instructions into their predecessors to
388 /// Duplicate a TailBB instruction to PredBB and update
402   MachineInstr &NewMI = TII->duplicate(*PredBB, PredBB->end(), *MI);  in duplicateInstruction()
507         // There could be duplicate phi source entries. FIXME: Should sdisel  in updateSuccessorsPHIs()
528           // If we didn't duplicate a bb into a particular predecessor, we  in updateSuccessorsPHIs()
564 /// Determine if it is profitable to duplicate this block.
573   // Don't try to tail-duplicate single-block loops.  in shouldTailDuplicate()
585   // Set the limit on the cost to duplicate. When optimizing for size,  in shouldTailDuplicate()
586   // duplicate only one, because one branch instruction can be eliminated to  in shouldTailDuplicate()
599   // duplicate it.  in shouldTailDuplicate()
640     // Do not duplicate 'return' instructions if this is a pre-regalloc run.  in shouldTailDuplicate()
835 /// If it is profitable, duplicate TailBB's contents in each
861   // Iterate through all the unique predecessors and tail-duplicate this  in tailDuplicate()
878     // Don't duplicate into a fall-through predecessor (at least for now).  in tailDuplicate()
1020   // if we duplicate 2 into 1 but not into 3, we end up with  in tailDuplicate()