<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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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>I would like to create a variable that aliases a field in a struct like :<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>%struct._dpowk_16 = type < { [32 x [32 x double]], [32 x [32 x double]], [32 x [32 x i64]] } ><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>@_dpowk_16 = common addrspace(1) global %struct._dpowk_16 zeroinitializer, align 16<o:p></o:p></p><p class=MsoNormal>@r_d_alias = alias [32 x [32 x double]] addrspace(1) * bitcast (i8 addrspace(1) * getelementptr (i8 addrspace(1) * bitcast (%struct._dpowk_16 addrspace(1)* @_dpowk_16 to i8 addrspace(1) *), i64 8192) to [32 x [32 x double]] addrspace(1) * )<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>When I use opt I got following message :<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Aliasee should be either GlobalValue or bitcast of GlobalValue<o:p></o:p></p><p class=MsoNormal>[32 x [32 x double]] addrspace(1)* @r_d_alias<o:p></o:p></p><p class=MsoNormal>Broken module found, compilation aborted!<o:p></o:p></p><p class=MsoNormal>0 opt 0x00000000010e3abf<o:p></o:p></p><p class=MsoNormal>1 opt 0x00000000010e5a22<o:p></o:p></p><p class=MsoNormal>2 libpthread.so.0 0x0000003dd0a0f710<o:p></o:p></p><p class=MsoNormal>3 libc.so.6 0x0000003dd0232925 gsignal + 53<o:p></o:p></p><p class=MsoNormal>4 libc.so.6 0x0000003dd0234105 abort + 373<o:p></o:p></p><p class=MsoNormal>5 opt 0x00000000010a3e8a<o:p></o:p></p><p class=MsoNormal>6 opt 0x000000000107c654 llvm::FPPassManager::doFinalization(llvm::Module&) + 84<o:p></o:p></p><p class=MsoNormal>7 opt 0x000000000107df79 llvm::FunctionPassManagerImpl::doFinalization(llvm::Module&) + 105<o:p></o:p></p><p class=MsoNormal>8 opt 0x000000000053b25d main + 6829<o:p></o:p></p><p class=MsoNormal>9 libc.so.6 0x0000003dd021ed1d __libc_start_main + 253<o:p></o:p></p><p class=MsoNormal>10 opt 0x000000000052c5c9<o:p></o:p></p><p class=MsoNormal>Stack dump:<o:p></o:p></p><p class=MsoListParagraph style='margin-left:.75in;text-indent:-.5in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>0.<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Program arguments: opt -O2 -S gblmod.ll -o gblmod.opt.ll<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is there a way to have a global value that reflects a field in a struct ?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks for your answers<o:p></o:p></p><p class=MsoNormal>Seb<o:p></o:p></p></div>
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