; RUN: llvm-as < %s | opt -adce | llvm-dis | grep nulldeclarei32@strlen(i8*)readnonedefinei32@test(){; invoke of pure function should not be deleted!invokei32@strlen(i8*null)readnonetolabel%Contunwindlabel%Other; <i32>:1 [#uses=0]Cont:; preds = %0reti320Other:; preds = %0reti321}