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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I am looking for a way to allow ConstantExpr to express target specific operations, which will be used in global initializers. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The recommended way to extend LLVM IR is using intrinsic functions. But this does not work for ConstantExpr, which the global initializer uses.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Should we make ConstantExpr to support some kind of side-effect free intrinsic function calls? If we want to work on such a patch, what are the things we should look out for?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><a href="http://llvm.org/bugs/show_bug.cgi?id=10368">http://llvm.org/bugs/show_bug.cgi?id=10368</a> seems also express this desire. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Yuan<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div>
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