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1; This test makes sure that xor instructions are properly eliminated.2; This test is for Integer BitWidth > 64 && BitWidth <= 1024.3 4; RUN: opt < %s -passes=instcombine -S | not grep "xor "5; END.6 7 8define i447 @test1(i447 %A, i447 %B) {9 ;; (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 010 %A1 = and i447 %A, 7036874417766411 %B1 = and i447 %B, 7036874417766312 %C1 = xor i447 %A1, %B113 ret i447 %C114}15 16define i1005 @test2(i1005 %x) {17 %tmp.2 = xor i1005 %x, 018 ret i1005 %tmp.219}20 21define i123 @test3(i123 %x) {22 %tmp.2 = xor i123 %x, %x23 ret i123 %tmp.224}25 26define i737 @test4(i737 %x) {27 ; x ^ ~x == -128 %NotX = xor i737 -1, %x29 %B = xor i737 %x, %NotX30 ret i737 %B31}32 33define i700 @test5(i700 %A) {34 ;; (A|B)^B == A & (~B)35 %t1 = or i700 %A, 288230376151711743 36 %r = xor i700 %t1, 288230376151711743 37 ret i700 %r38}39 40define i77 @test6(i77 %A) {41 %t1 = xor i77 %A, 2342 %r = xor i77 %t1, 2343 ret i77 %r44}45 46define i1023 @test7(i1023 %A) {47 ;; (A | C1) ^ C2 -> (A | C1) & ~C2 iff (C1&C2) == C248 %B1 = or i1023 %A, 7036874417766349 %C1 = xor i1023 %B1, 70368746350 ret i1023 %C151}52