Lines Matching full:terminator

98 // Represents the state of a block terminator.
100   // If this terminator is a relaxable branch, this points to the branch
104   // The address that we currently assume the terminator has.
107   // The current size of the terminator in bytes.
151   void skipTerminator(BlockPosition &Position, TerminatorInfo &Terminator,
155   bool mustRelaxBranch(const TerminatorInfo &Terminator, uint64_t Address);
160   void relaxBranch(TerminatorInfo &Terminator);
180 // accordingly and move Position to the end of the block's non-terminator
202 // Position describes the state immediately before Terminator.
203 // Update Terminator accordingly and move Position past it.
204 // Assume that Terminator will be relaxed if AssumeRelaxed.
206                                        TerminatorInfo &Terminator,
208   Terminator.Address = Position.Address;
209   Position.Address += Terminator.Size;
211     Position.Address += Terminator.ExtraRelaxSize;
224           // EH_SjLj_Setup is a dummy terminator instruction of size 0,
231 // Return a description of terminator instruction MI.
233   TerminatorInfo Terminator;
234   Terminator.Size = getInstSizeInBytes(MI, TII);
239       Terminator.ExtraRelaxSize = 2;
243       Terminator.ExtraRelaxSize = 2;
248       Terminator.ExtraRelaxSize = 6;
252       Terminator.ExtraRelaxSize = 0;
257       Terminator.ExtraRelaxSize = 2;
262       Terminator.ExtraRelaxSize = 4;
267       Terminator.ExtraRelaxSize = 4;
272       Terminator.ExtraRelaxSize = 6;
277     Terminator.Branch = &MI;
278     Terminator.TargetBlock =
281   return Terminator;
317         assert(MI->isTerminator() && "Terminator followed by non-terminator");
329 // Return true if, under current assumptions, Terminator would need to be
331 bool SystemZLongBranch::mustRelaxBranch(const TerminatorInfo &Terminator,
333   if (!Terminator.Branch || Terminator.ExtraRelaxSize == 0)
336   const MBBInfo &Target = MBBs[Terminator.TargetBlock];
348 // Return true if, under current assumptions, any terminator needs
351   for (auto &Terminator : Terminators)
352     if (mustRelaxBranch(Terminator, Terminator.Address))
408 // Relax the branch described by Terminator.
409 void SystemZLongBranch::relaxBranch(TerminatorInfo &Terminator) {
410   MachineInstr *Branch = Terminator.Branch;
452   Terminator.Size += Terminator.ExtraRelaxSize;
453   Terminator.ExtraRelaxSize = 0;
454   Terminator.Branch = nullptr;