; RUN: opt < %s -instcombine -simplifycfg -S |\ ; RUN: not grep "call void @abort" @b_rec.0 = external global i32 ; [#uses=2] define void @_Z12h000007_testv(i32* %P) { entry: %tmp.2 = load i32, i32* @b_rec.0 ; [#uses=1] %tmp.9 = or i32 %tmp.2, -989855744 ; [#uses=2] %tmp.16 = and i32 %tmp.9, -805306369 ; [#uses=2] %tmp.17 = and i32 %tmp.9, -973078529 ; [#uses=1] store i32 %tmp.17, i32* @b_rec.0 %tmp.17.shrunk = bitcast i32 %tmp.16 to i32 ; [#uses=1] %tmp.22 = and i32 %tmp.17.shrunk, -1073741824 ; [#uses=1] %tmp.23 = icmp eq i32 %tmp.22, -1073741824 ; [#uses=1] br i1 %tmp.23, label %endif.0, label %then.0 then.0: ; preds = %entry tail call void @abort( ) unreachable endif.0: ; preds = %entry %tmp.17.shrunk2 = bitcast i32 %tmp.16 to i32 ; [#uses=1] %tmp.27.mask = and i32 %tmp.17.shrunk2, 100663295 ; [#uses=1] store i32 %tmp.27.mask, i32* %P ret void } declare void @abort()