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; RUN: llvm-as < %s | opt -globalsmodref-aa -markmodref | llvm-dis | grep readnone define i32 @a() { %tmp = call i32 @b( ) ; <i32> [#uses=1] ret i32 %tmp } define i32 @b() { %tmp = call i32 @a( ) ; <i32> [#uses=1] ret i32 %tmp }