1 ; RUN: opt < %s -instsimplify -S | not grep or 2 3 ; Test the case where integer BitWidth <= 64 && BitWidth % 2 != 0. 4 define i39 @test1(i39 %V, i39 %M) { 5 ;; If we have: ((V + N) & C1) | (V & C2) 6 ;; .. and C2 = ~C1 and C2 is 0+1+ and (N & C2) == 0 7 ;; replace with V+N. 8 %C1 = xor i39 274877906943, -1 ;; C2 = 274877906943 9 %N = and i39 %M, 274877906944 10 %A = add i39 %V, %N 11 %B = and i39 %A, %C1 12 %D = and i39 %V, 274877906943 13 %R = or i39 %B, %D 14 ret i39 %R 15 ; CHECK-LABEL @test1 16 ; CHECK-NEXT: and {{.*}}, -274877906944 17 ; CHECK-NEXT: add 18 ; CHECK-NEXT: ret 19 } 20 21 ; Test the case where Integer BitWidth > 64 && BitWidth <= 1024. 22 define i399 @test2(i399 %V, i399 %M) { 23 ;; If we have: ((V + N) & C1) | (V & C2) 24 ;; .. and C2 = ~C1 and C2 is 0+1+ and (N & C2) == 0 25 ;; replace with V+N. 26 %C1 = xor i399 274877906943, -1 ;; C2 = 274877906943 27 %N = and i399 %M, 18446742974197923840 28 %A = add i399 %V, %N 29 %B = and i399 %A, %C1 30 %D = and i399 %V, 274877906943 31 %R = or i399 %B, %D 32 ret i399 %R 33 ; CHECK-LABEL @test2 34 ; CHECK-NEXT: and {{.*}}, 18446742974197923840 35 ; CHECK-NEXT: add 36 ; CHECK-NEXT: ret 37 } 38
