Target/SystemZ/SystemZLongBranch.cpp

144     void skipTerminator(BlockPosition &Position, TerminatorInfo &Terminator,
148     bool mustRelaxBranch(const TerminatorInfo &Terminator, uint64_t Address);
153     void relaxBranch(TerminatorInfo &Terminator);
196 // Position describes the state immediately before Terminator.
197 // Update Terminator accordingly and move Position past it.
198 // Assume that Terminator will be relaxed if AssumeRelaxed.
200                                        TerminatorInfo &Terminator,
202   Terminator.Address = Position.Address;
203   Position.Address += Terminator.Size;
205     Position.Address += Terminator.ExtraRelaxSize;
210   TerminatorInfo Terminator;
211   Terminator.Size = TII->getInstSizeInBytes(MI);
216       Terminator.ExtraRelaxSize = 2;
220       Terminator.ExtraRelaxSize = 2;
225       Terminator.ExtraRelaxSize = 6;
230       Terminator.ExtraRelaxSize = 2;
235       Terminator.ExtraRelaxSize = 4;
240       Terminator.ExtraRelaxSize = 4;
245       Terminator.ExtraRelaxSize = 6;
250     Terminator.Branch = MI;
251     Terminator.TargetBlock =
254   return Terminator;
290         assert(MI->isTerminator() && "Terminator followed by non-terminator");
302 // Return true if, under current assumptions, Terminator would need to be
304 bool SystemZLongBranch::mustRelaxBranch(const TerminatorInfo &Terminator,
306   if (!Terminator.Branch)
309   const MBBInfo &Target = MBBs[Terminator.TargetBlock];
383 // Relax the branch described by Terminator.
384 void SystemZLongBranch::relaxBranch(TerminatorInfo &Terminator) {
385   MachineInstr *Branch = Terminator.Branch;
427   Terminator.Size += Terminator.ExtraRelaxSize;
428   Terminator.ExtraRelaxSize = 0;
429   Terminator.Branch = 0;