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<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Could someone answer two questions about this code, please<o:p></o:p></p>
<p class="MsoNormal">DisassemblerLLVMC::LLVMCDisassembler::LLVMCDisassembler starting from line 897:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> m_reg_info_ap.reset(curr_target->createMCRegInfo(triple));<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> m_subtarget_info_ap.reset(<o:p></o:p></p>
<p class="MsoNormal"> curr_target->createMCSubtargetInfo(triple, cpu, features_str));<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> std::unique_ptr<llvm::MCRegisterInfo> reg_info(<o:p></o:p></p>
<p class="MsoNormal"> curr_target->createMCRegInfo(triple));<o:p></o:p></p>
<p class="MsoNormal"> m_asm_info_ap.reset(curr_target->createMCAsmInfo(*reg_info, triple));<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">Why it cannot reuse m_reg_info_ap for createMCAsmInfo instead of creation reg_info again?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">It seems that createMCRegInfo can return nullptr. Is it safe to dereference reg_info in createMCAsmInfo (line 904)?<o:p></o:p></li></ol>
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