unsigned AArch64InstrInfo::getInstBundleLength(const MachineInstr &MI) const { unsigned Size = 0; MachineBasicBlock::const_instr_iterator I = MI; MachineBasicBlock::const_instr_iterator E = MI.getParent()->instr_end(); while (++I != E && I->isInsideBundle()) { assert(!I->isBundle() && "No nested bundle!"); Size += getInstSizeInBytes(*I); } return Size; }
bool MachineVerifier::runOnMachineFunction(MachineFunction &MF) { raw_ostream *OutFile = 0; if (OutFileName) { std::string ErrorInfo; OutFile = new raw_fd_ostream(OutFileName, ErrorInfo, raw_fd_ostream::F_Append); if (!ErrorInfo.empty()) { errs() << "Error opening '" << OutFileName << "': " << ErrorInfo << '\n'; exit(1); } OS = OutFile; } else { OS = &errs(); } foundErrors = 0; this->MF = &MF; TM = &MF.getTarget(); TII = TM->getInstrInfo(); TRI = TM->getRegisterInfo(); MRI = &MF.getRegInfo(); LiveVars = NULL; LiveInts = NULL; LiveStks = NULL; Indexes = NULL; if (PASS) { LiveInts = PASS->getAnalysisIfAvailable<LiveIntervals>(); // We don't want to verify LiveVariables if LiveIntervals is available. if (!LiveInts) LiveVars = PASS->getAnalysisIfAvailable<LiveVariables>(); LiveStks = PASS->getAnalysisIfAvailable<LiveStacks>(); Indexes = PASS->getAnalysisIfAvailable<SlotIndexes>(); } visitMachineFunctionBefore(); for (MachineFunction::const_iterator MFI = MF.begin(), MFE = MF.end(); MFI!=MFE; ++MFI) { visitMachineBasicBlockBefore(MFI); for (MachineBasicBlock::const_instr_iterator MBBI = MFI->instr_begin(), MBBE = MFI->instr_end(); MBBI != MBBE; ++MBBI) { if (MBBI->getParent() != MFI) { report("Bad instruction parent pointer", MFI); *OS << "Instruction: " << *MBBI; continue; } // Skip BUNDLE instruction for now. FIXME: We should add code to verify // the BUNDLE's specifically. if (MBBI->isBundle()) continue; visitMachineInstrBefore(MBBI); for (unsigned I = 0, E = MBBI->getNumOperands(); I != E; ++I) visitMachineOperand(&MBBI->getOperand(I), I); visitMachineInstrAfter(MBBI); } visitMachineBasicBlockAfter(MFI); } visitMachineFunctionAfter(); if (OutFile) delete OutFile; else if (foundErrors) report_fatal_error("Found "+Twine(foundErrors)+" machine code errors."); // Clean up. regsLive.clear(); regsDefined.clear(); regsDead.clear(); regsKilled.clear(); regsLiveInButUnused.clear(); MBBInfoMap.clear(); return false; // no changes }