198   bool padInstructionViaRelaxation(MCRelaxableFragment &RF,
202   bool padInstructionViaPrefix(MCRelaxableFragment &RF, MCCodeEmitter &Emitter,
205   bool padInstructionEncoding(MCRelaxableFragment &RF, MCCodeEmitter &Emitter,
849 static bool isFullyRelaxed(const MCRelaxableFragment &RF) {  in isFullyRelaxed()  argument
850   auto &Inst = RF.getInst();  in isFullyRelaxed()
851   auto &STI = *RF.getSubtargetInfo();  in isFullyRelaxed()
856 bool X86AsmBackend::padInstructionViaPrefix(MCRelaxableFragment &RF,  in padInstructionViaPrefix()  argument
859   if (!RF.getAllowAutoPadding())  in padInstructionViaPrefix()
865   if (!isFullyRelaxed(RF))  in padInstructionViaPrefix()
868   const unsigned OldSize = RF.getContents().size();  in padInstructionViaPrefix()
876     Emitter.emitPrefix(RF.getInst(), VecOS, STI);  in padInstructionViaPrefix()
894   const uint8_t Prefix = determinePaddingPrefix(RF.getInst());  in padInstructionViaPrefix()
898   Code.append(RF.getContents().begin(), RF.getContents().end());  in padInstructionViaPrefix()
899   RF.getContents() = Code;  in padInstructionViaPrefix()
902   for (auto &F : RF.getFixups()) {  in padInstructionViaPrefix()
910 bool X86AsmBackend::padInstructionViaRelaxation(MCRelaxableFragment &RF,  in padInstructionViaRelaxation()  argument
913   if (isFullyRelaxed(RF))  in padInstructionViaRelaxation()
918   MCInst Relaxed = RF.getInst();  in padInstructionViaRelaxation()
919   relaxInstruction(Relaxed, *RF.getSubtargetInfo());  in padInstructionViaRelaxation()
924   Emitter.encodeInstruction(Relaxed, VecOS, Fixups, *RF.getSubtargetInfo());  in padInstructionViaRelaxation()
925   const unsigned OldSize = RF.getContents().size();  in padInstructionViaRelaxation()
931   RF.setInst(Relaxed);  in padInstructionViaRelaxation()
932   RF.getContents() = Code;  in padInstructionViaRelaxation()
933   RF.getFixups() = Fixups;  in padInstructionViaRelaxation()
938 bool X86AsmBackend::padInstructionEncoding(MCRelaxableFragment &RF,  in padInstructionEncoding()  argument
943     Changed |= padInstructionViaRelaxation(RF, Emitter, RemainingSize);  in padInstructionEncoding()
945     Changed |= padInstructionViaPrefix(RF, Emitter, RemainingSize);  in padInstructionEncoding()
981         auto &RF = cast<MCRelaxableFragment>(*I);  in finishLayout()  local
982         Relaxable.push_back(&RF);  in finishLayout()
1014         auto &RF = *Relaxable.pop_back_val();  in finishLayout()  local
1018         if (padInstructionEncoding(RF, Asm.getEmitter(), RemainingSize))  in finishLayout()
1019           FirstChangedFragment = &RF;  in finishLayout()
1027         if (!isFullyRelaxed(RF))  in finishLayout()