blob: 5d314db7133dd0aae900e70ed82a18c863d054ed [file] [log] [blame]
; RUN: opt < %s -instsimplify -S | not grep or
; Test the case where integer BitWidth <= 64 && BitWidth % 2 != 0.
define i39 @test1(i39 %V, i39 %M) {
;; If we have: ((V + N) & C1) | (V & C2)
;; .. and C2 = ~C1 and C2 is 0+1+ and (N & C2) == 0
;; replace with V+N.
%C1 = xor i39 274877906943, -1 ;; C2 = 274877906943
%N = and i39 %M, 274877906944
%A = add i39 %V, %N
%B = and i39 %A, %C1
%D = and i39 %V, 274877906943
%R = or i39 %B, %D
ret i39 %R
; CHECK-LABEL @test1
; CHECK-NEXT: and {{.*}}, -274877906944
; CHECK-NEXT: add
; CHECK-NEXT: ret
}
; Test the case where Integer BitWidth > 64 && BitWidth <= 1024.
define i399 @test2(i399 %V, i399 %M) {
;; If we have: ((V + N) & C1) | (V & C2)
;; .. and C2 = ~C1 and C2 is 0+1+ and (N & C2) == 0
;; replace with V+N.
%C1 = xor i399 274877906943, -1 ;; C2 = 274877906943
%N = and i399 %M, 18446742974197923840
%A = add i399 %V, %N
%B = and i399 %A, %C1
%D = and i399 %V, 274877906943
%R = or i399 %B, %D
ret i399 %R
; CHECK-LABEL @test2
; CHECK-NEXT: and {{.*}}, 18446742974197923840
; CHECK-NEXT: add
; CHECK-NEXT: ret
}