1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -sccp -S | FileCheck %s
3
4define void @shift_undef_64(i64* %p) {
5; CHECK-LABEL: @shift_undef_64(
6; CHECK-NEXT:    store i64 0, i64* [[P:%.*]]
7; CHECK-NEXT:    store i64 -1, i64* [[P]]
8; CHECK-NEXT:    [[R3:%.*]] = shl i64 -1, 4294967298
9; CHECK-NEXT:    store i64 [[R3]], i64* [[P]]
10; CHECK-NEXT:    ret void
11;
12  %r1 = lshr i64 -1, 4294967296 ; 2^32
13  store i64 %r1, i64* %p
14
15  %r2 = ashr i64 -1, 4294967297 ; 2^32 + 1
16  store i64 %r2, i64* %p
17
18  %r3 = shl i64 -1, 4294967298 ; 2^32 + 2
19  store i64 %r3, i64* %p
20
21  ret void
22}
23
24define void @shift_undef_65(i65* %p) {
25; CHECK-LABEL: @shift_undef_65(
26; CHECK-NEXT:    store i65 0, i65* [[P:%.*]]
27; CHECK-NEXT:    store i65 0, i65* [[P]]
28; CHECK-NEXT:    [[R3:%.*]] = shl i65 1, -18446744073709551615
29; CHECK-NEXT:    store i65 [[R3]], i65* [[P]]
30; CHECK-NEXT:    ret void
31;
32  %r1 = lshr i65 2, 18446744073709551617
33  store i65 %r1, i65* %p
34
35  %r2 = ashr i65 4, 18446744073709551617
36  store i65 %r2, i65* %p
37
38  %r3 = shl i65 1, 18446744073709551617
39  store i65 %r3, i65* %p
40
41  ret void
42}
43
44define void @shift_undef_256(i256* %p) {
45; CHECK-LABEL: @shift_undef_256(
46; CHECK-NEXT:    store i256 0, i256* [[P:%.*]]
47; CHECK-NEXT:    store i256 0, i256* [[P]]
48; CHECK-NEXT:    [[R3:%.*]] = shl i256 1, 18446744073709551619
49; CHECK-NEXT:    store i256 [[R3]], i256* [[P]]
50; CHECK-NEXT:    ret void
51;
52  %r1 = lshr i256 2, 18446744073709551617
53  store i256 %r1, i256* %p
54
55  %r2 = ashr i256 4, 18446744073709551618
56  store i256 %r2, i256* %p
57
58  %r3 = shl i256 1, 18446744073709551619
59  store i256 %r3, i256* %p
60
61  ret void
62}
63
64define void @shift_undef_511(i511* %p) {
65; CHECK-LABEL: @shift_undef_511(
66; CHECK-NEXT:    store i511 0, i511* [[P:%.*]]
67; CHECK-NEXT:    store i511 -1, i511* [[P]]
68; CHECK-NEXT:    [[R3:%.*]] = shl i511 -3, 1208925819614629174706180
69; CHECK-NEXT:    store i511 [[R3]], i511* [[P]]
70; CHECK-NEXT:    ret void
71;
72  %r1 = lshr i511 -1, 1208925819614629174706276 ; 2^80 + 100
73  store i511 %r1, i511* %p
74
75  %r2 = ashr i511 -2, 1208925819614629174706200
76  store i511 %r2, i511* %p
77
78  %r3 = shl i511 -3, 1208925819614629174706180
79  store i511 %r3, i511* %p
80
81  ret void
82}
83