1; RUN: opt < %s -reassociate -instcombine -S | grep mul | count 2 2 3; This should have exactly 2 multiplies when we're done. 4 5define i32 @f(i32 %a, i32 %b) { 6 %tmp.2 = mul i32 %a, %a ; <i32> [#uses=1] 7 %tmp.5 = shl i32 %a, 1 ; <i32> [#uses=1] 8 %tmp.6 = mul i32 %tmp.5, %b ; <i32> [#uses=1] 9 %tmp.10 = mul i32 %b, %b ; <i32> [#uses=1] 10 %tmp.7 = add i32 %tmp.6, %tmp.2 ; <i32> [#uses=1] 11 %tmp.11 = add i32 %tmp.7, %tmp.10 ; <i32> [#uses=1] 12 ret i32 %tmp.11 13} 14 15