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; RUN: opt %s -reassociate -instcombine -constprop -dce | llvm-dis | not grep add
define i32 @test(i32 %A) {
%X = add i32 %A, 1 ; <i32> [#uses=1]
%Y = add i32 %A, 1 ; <i32> [#uses=1]
%r = sub i32 %X, %Y ; <i32> [#uses=1]
ret i32 %r
}
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