1 ; With shl->mul reassociation, we can see that this is (shl A, 9) * A 2 ; 3 ; RUN: opt < %s -reassociate -instcombine -S |\ 4 ; RUN: grep "shl .*, 9" 5 6 define i32 @test(i32 %A, i32 %B) { 7 %X = shl i32 %A, 5 ; <i32> [#uses=1] 8 %Y = shl i32 %A, 4 ; <i32> [#uses=1] 9 %Z = mul i32 %Y, %X ; <i32> [#uses=1] 10 ret i32 %Z 11 } 12 13
