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- ; 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
- }
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