53 bool llvm::fuseInstructionPair(ScheduleDAGInstrs &DAG, SUnit &FirstSU,  in fuseInstructionPair()  argument
57   for (SDep &SI : FirstSU.Succs)  in fuseInstructionPair()
65   assert(FirstSU.ParentClusterIdx == InvalidClusterId &&  in fuseInstructionPair()
74   if (!DAG.addEdge(&SecondSU, SDep(&FirstSU, SDep::Cluster)))  in fuseInstructionPair()
79   FirstSU.ParentClusterIdx = Clusters.size();  in fuseInstructionPair()
82   SmallSet<SUnit *, 8> Cluster{{&FirstSU, &SecondSU}};  in fuseInstructionPair()
90   assert(hasLessThanNumFused(FirstSU, 2) &&  in fuseInstructionPair()
94   for (SDep &SI : FirstSU.Succs)  in fuseInstructionPair()
99     if (SI.getSUnit() == &FirstSU)  in fuseInstructionPair()
103       dbgs() << "Macro fuse: "; DAG.dumpNodeName(FirstSU); dbgs() << " - ";  in fuseInstructionPair()
105       dbgs() << DAG.TII->getName(FirstSU.getInstr()->getOpcode()) << " - "  in fuseInstructionPair()
111     for (const SDep &SI : FirstSU.Succs) {  in fuseInstructionPair()
123   if (&FirstSU != &DAG.EntrySU) {  in fuseInstructionPair()
126       if (SI.isWeak() || isHazard(SI) || &FirstSU == SU || FirstSU.isSucc(SU))  in fuseInstructionPair()
129                  DAG.dumpNodeName(FirstSU); dbgs() << '\n';);  in fuseInstructionPair()
130       DAG.addEdge(&FirstSU, SDep(SU, SDep::Artificial));  in fuseInstructionPair()
138           DAG.addEdge(&FirstSU, SDep(&SU, SDep::Artificial));  in fuseInstructionPair()