another random update

[llvm/avr.git] / test / Transforms / Reassociate / mul-neg-add.ll

; RUN: opt %s -reassociate -instcombine -S |\
; 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
}