54 static bool fuseInstructionPair(ScheduleDAGInstrs &DAG, SUnit &FirstSU,  in fuseInstructionPair()  argument
58   for (SDep &SI : FirstSU.Succs)  in fuseInstructionPair()
71   if (!DAG.addEdge(&SecondSU, SDep(&FirstSU, SDep::Cluster)))  in fuseInstructionPair()
79   assert(hasLessThanNumFused(FirstSU, 2) &&  in fuseInstructionPair()
83   for (SDep &SI : FirstSU.Succs)  in fuseInstructionPair()
88     if (SI.getSUnit() == &FirstSU)  in fuseInstructionPair()
92       dbgs() << "Macro fuse: "; DAG.dumpNodeName(FirstSU); dbgs() << " - ";  in fuseInstructionPair()
94       dbgs() << DAG.TII->getName(FirstSU.getInstr()->getOpcode()) << " - "  in fuseInstructionPair()
100     for (const SDep &SI : FirstSU.Succs) {  in fuseInstructionPair()
112   if (&FirstSU != &DAG.EntrySU) {  in fuseInstructionPair()
115       if (SI.isWeak() || isHazard(SI) || &FirstSU == SU || FirstSU.isSucc(SU))  in fuseInstructionPair()
118                  DAG.dumpNodeName(FirstSU); dbgs() << '\n';);  in fuseInstructionPair()
119       DAG.addEdge(&FirstSU, SDep(SU, SDep::Artificial));  in fuseInstructionPair()
127           DAG.addEdge(&FirstSU, SDep(&SU, SDep::Artificial));  in fuseInstructionPair()