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; RUN: opt %s -reassociate -instcombine | llvm-dis |\
; RUN: not grep {sub i32 0}
define i32 @test(i32 %X, i32 %Y, i32 %Z) {
%A = sub i32 0, %X ; <i32> [#uses=1]
%B = mul i32 %A, %Y ; <i32> [#uses=1]
; (-X)*Y + Z -> Z-X*Y
%C = add i32 %B, %Z ; <i32> [#uses=1]
ret i32 %C
}
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