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1; RUN: opt < %s -passes=instcombine,simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S |\2; RUN: not grep "call void @abort"3 4@b_rec.0 = external global i32 ; <ptr> [#uses=2]5 6define void @_Z12h000007_testv(ptr %P) {7entry:8 %tmp.2 = load i32, ptr @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, ptr @b_rec.013 %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.017 18then.0: ; preds = %entry19 tail call void @abort( )20 unreachable21 22endif.0: ; preds = %entry23 %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, ptr %P26 ret void27}28 29declare void @abort()30 31