1 ; RUN: opt < %s -instcombine -simplifycfg -S |\ 2 ; RUN: not grep "call void @abort" 3 4 @b_rec.0 = external global i32 ; <i32*> [#uses=2] 5 6 define void @_Z12h000007_testv(i32* %P) { 7 entry: 8 %tmp.2 = load i32* @b_rec.0 ; <i32> [#uses=1] 9 %tmp.9 = or i32 %tmp.2, -989855744 ; <i32> [#uses=2] 10 %tmp.16 = and i32 %tmp.9, -805306369 ; <i32> [#uses=2] 11 %tmp.17 = and i32 %tmp.9, -973078529 ; <i32> [#uses=1] 12 store i32 %tmp.17, i32* @b_rec.0 13 %tmp.17.shrunk = bitcast i32 %tmp.16 to i32 ; <i32> [#uses=1] 14 %tmp.22 = and i32 %tmp.17.shrunk, -1073741824 ; <i32> [#uses=1] 15 %tmp.23 = icmp eq i32 %tmp.22, -1073741824 ; <i1> [#uses=1] 16 br i1 %tmp.23, label %endif.0, label %then.0 17 18 then.0: ; preds = %entry 19 tail call void @abort( ) 20 unreachable 21 22 endif.0: ; preds = %entry 23 %tmp.17.shrunk2 = bitcast i32 %tmp.16 to i32 ; <i32> [#uses=1] 24 %tmp.27.mask = and i32 %tmp.17.shrunk2, 100663295 ; <i32> [#uses=1] 25 store i32 %tmp.27.mask, i32* %P 26 ret void 27 } 28 29 declare void @abort() 30 31
