; RUN: opt -loop-instsimplify -loop-simplifycfg -licm -simple-loop-unswitch -enable-nontrivial-unswitch %s -disable-output ; REQUIRES: asserts %0 = type { i24, i32, i32, i8 } @g_1077 = external dso_local local_unnamed_addr global [4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]], align 4 define void @func_22() { bb: br label %bb13 bb13: ; preds = %bb38, %bb31, %bb %i15 = load i32, i32* undef, align 4 %i16 = trunc i32 %i15 to i8 %i18 = load %0*, %0** undef, align 8 %i19 = icmp eq %0* %i18, null br i1 %i19, label %bb31, label %safe_mod_func_uint8_t_u_u.exit bb31: ; preds = %bb13 %i25 = load i8, i8* getelementptr inbounds ([4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]], [4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]]* @g_1077, i64 0, i64 2, i64 2, i64 1, i32 6), align 2 %i28 = or i8 %i25, %i16 store i8 %i28, i8* getelementptr inbounds ([4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]], [4 x [3 x [2 x { i8, i8, i8, i8, i8, i8, i8, i8, i32 }]]]* @g_1077, i64 0, i64 2, i64 2, i64 1, i32 6), align 2 %i30 = icmp ne i8 %i28, 0 %i37.not = icmp eq i8 %i16, 0 %or.cond = or i1 %i37.not, %i30 br i1 %or.cond, label %bb13, label %bb38 safe_mod_func_uint8_t_u_u.exit: ; preds = %bb13 br label %bb38 bb38: ; preds = %safe_mod_func_uint8_t_u_u.exit, %bb31 br label %bb13 }