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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>For debugging purpose, I would like to create temporary local variables that I want to keep ‘live’ for a routine execution. They will be set to a value at routine entrance and I they will never be used.<o:p></o:p></p><p class=MsoNormal>Is there a way to avoid llvm to optimize them away when mem2reg is performed ?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks for your answer<o:p></o:p></p><p class=MsoNormal>Seb<o:p></o:p></p></div>
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