194   bool padInstructionViaRelaxation(MCRelaxableFragment &RF,
198   bool padInstructionViaPrefix(MCRelaxableFragment &RF, MCCodeEmitter &Emitter,
201   bool padInstructionEncoding(MCRelaxableFragment &RF, MCCodeEmitter &Emitter,
758 bool X86AsmBackend::padInstructionViaPrefix(MCRelaxableFragment &RF,  in padInstructionViaPrefix()  argument
761   if (!RF.getAllowAutoPadding())  in padInstructionViaPrefix()
767   if (mayNeedRelaxation(RF.getInst(), *RF.getSubtargetInfo()))  in padInstructionViaPrefix()
770   const unsigned OldSize = RF.getContents().size();  in padInstructionViaPrefix()
777     Emitter.emitPrefix(RF.getInst(), Code, STI);  in padInstructionViaPrefix()
795   const uint8_t Prefix = determinePaddingPrefix(RF.getInst());  in padInstructionViaPrefix()
799   Code.append(RF.getContents().begin(), RF.getContents().end());  in padInstructionViaPrefix()
800   RF.getContents() = Code;  in padInstructionViaPrefix()
803   for (auto &F : RF.getFixups()) {  in padInstructionViaPrefix()
811 bool X86AsmBackend::padInstructionViaRelaxation(MCRelaxableFragment &RF,  in padInstructionViaRelaxation()  argument
814   if (!mayNeedRelaxation(RF.getInst(), *RF.getSubtargetInfo()))  in padInstructionViaRelaxation()
819   MCInst Relaxed = RF.getInst();  in padInstructionViaRelaxation()
820   relaxInstruction(Relaxed, *RF.getSubtargetInfo());  in padInstructionViaRelaxation()
824   Emitter.encodeInstruction(Relaxed, Code, Fixups, *RF.getSubtargetInfo());  in padInstructionViaRelaxation()
825   const unsigned OldSize = RF.getContents().size();  in padInstructionViaRelaxation()
831   RF.setInst(Relaxed);  in padInstructionViaRelaxation()
832   RF.getContents() = Code;  in padInstructionViaRelaxation()
833   RF.getFixups() = Fixups;  in padInstructionViaRelaxation()
838 bool X86AsmBackend::padInstructionEncoding(MCRelaxableFragment &RF,  in padInstructionEncoding()  argument
843     Changed |= padInstructionViaRelaxation(RF, Emitter, RemainingSize);  in padInstructionEncoding()
845     Changed |= padInstructionViaPrefix(RF, Emitter, RemainingSize);  in padInstructionEncoding()
884         auto &RF = cast<MCRelaxableFragment>(*I);  in finishLayout()  local
885         Relaxable.push_back(&RF);  in finishLayout()
917         auto &RF = *Relaxable.pop_back_val();  in finishLayout()  local
921         if (padInstructionEncoding(RF, Asm.getEmitter(), RemainingSize))  in finishLayout()
922           FirstChangedFragment = &RF;  in finishLayout()
930         if (mayNeedRelaxation(RF.getInst(), *RF.getSubtargetInfo()))  in finishLayout()