; RUN: opt < %s -instcombine ; PR3468 define x86_fp80 @cast() { %tmp = bitcast i80 0 to x86_fp80 ; [#uses=1] ret x86_fp80 %tmp } define i80 @invcast() { %tmp = bitcast x86_fp80 0xK00000000000000000000 to i80 ; [#uses=1] ret i80 %tmp }