1; NOTE: Assertions have been autogenerated by update_test_checks.py
2; RUN: opt < %s -instsimplify -S | FileCheck %s
3
4; Test the case where integer BitWidth <= 64 && BitWidth % 2 != 0.
5define i39 @test1(i39 %V, i39 %M) {
6; CHECK-LABEL: @test1(
7; CHECK:         [[N:%.*]] = and i39 %M, -274877906944
8; CHECK-NEXT:    [[A:%.*]] = add i39 %V, [[N]]
9; CHECK-NEXT:    ret i39 [[A]]
10;
11    ;; If we have: ((V + N) & C1) | (V & C2)
12    ;; .. and C2 = ~C1 and C2 is 0+1+ and (N & C2) == 0
13    ;; replace with V+N.
14    %C1 = xor i39 274877906943, -1 ;; C2 = 274877906943
15    %N = and i39 %M, 274877906944
16    %A = add i39 %V, %N
17    %B = and i39 %A, %C1
18    %D = and i39 %V, 274877906943
19    %R = or i39 %B, %D
20    ret i39 %R
21}
22
23define i7 @test2(i7 %X) {
24; CHECK-LABEL: @test2(
25; CHECK:         ret i7 %X
26;
27    %Y = or i7 %X, 0
28    ret i7 %Y
29}
30
31define i17 @test3(i17 %X) {
32; CHECK-LABEL: @test3(
33; CHECK:         ret i17 -1
34;
35    %Y = or i17 %X, -1
36    ret i17 %Y
37}
38
39; Test the case where Integer BitWidth > 64 && BitWidth <= 1024.
40define i399 @test4(i399 %V, i399 %M) {
41; CHECK-LABEL: @test4(
42; CHECK:         [[N:%.*]] = and i399 %M, 18446742974197923840
43; CHECK-NEXT:    [[A:%.*]] = add i399 %V, [[N]]
44; CHECK-NEXT:    ret i399 [[A]]
45;
46    ;; If we have: ((V + N) & C1) | (V & C2)
47    ;; .. and C2 = ~C1 and C2 is 0+1+ and (N & C2) == 0
48    ;; replace with V+N.
49    %C1 = xor i399 274877906943, -1 ;; C2 = 274877906943
50    %N = and i399 %M, 18446742974197923840
51    %A = add i399 %V, %N
52    %B = and i399 %A, %C1
53    %D = and i399 %V, 274877906943
54    %R = or i399 %B, %D
55    ret i399 %R
56}
57
58define i777 @test5(i777 %X) {
59; CHECK-LABEL: @test5(
60; CHECK:         ret i777 %X
61;
62    %Y = or i777 %X, 0
63    ret i777 %Y
64}
65
66define i117 @test6(i117 %X) {
67; CHECK-LABEL: @test6(
68; CHECK:         ret i117 -1
69;
70    %Y = or i117 %X, -1
71    ret i117 %Y
72}
73