1 ; This test makes sure that or instructions are properly eliminated.
2 ; This test is for Integer BitWidth > 64 && BitWidth <= 1024.
4 ; RUN: opt < %s -instcombine -S | not grep or
7 define i777 @test0(i777 %X) {
12 define i117 @test1(i117 %X) {
17 define i1023 @test2(i1023 %A) {
19 %NotA = xor i1023 -1, %A
20 %B = or i1023 %A, %NotA
24 define i399 @test3(i399 %V, i399 %M) {
25 ;; If we have: ((V + N) & C1) | (V & C2)
26 ;; .. and C2 = ~C1 and C2 is 0+1+ and (N & C2) == 0
28 %C1 = xor i399 274877906943, -1 ;; C2 = 274877906943
29 %N = and i399 %M, 18446742974197923840
32 %D = and i399 %V, 274877906943