1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -instcombine -S | FileCheck %s
3
4define i1 @set_low_bit_mask_eq(i8 %x) {
5; CHECK-LABEL: @set_low_bit_mask_eq(
6; CHECK-NEXT:    [[TMP1:%.*]] = and i8 [[X:%.*]], -2
7; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i8 [[TMP1]], 18
8; CHECK-NEXT:    ret i1 [[CMP]]
9;
10  %sub = or i8 %x, 1
11  %cmp = icmp eq i8 %sub, 19
12  ret i1 %cmp
13}
14
15define <2 x i1> @set_low_bit_mask_ne(<2 x i8> %x) {
16; CHECK-LABEL: @set_low_bit_mask_ne(
17; CHECK-NEXT:    [[TMP1:%.*]] = and <2 x i8> [[X:%.*]], <i8 -4, i8 -4>
18; CHECK-NEXT:    [[CMP:%.*]] = icmp ne <2 x i8> [[TMP1]], <i8 16, i8 16>
19; CHECK-NEXT:    ret <2 x i1> [[CMP]]
20;
21  %sub = or <2 x i8> %x, <i8 3, i8 3>
22  %cmp = icmp ne <2 x i8> %sub, <i8 19, i8 19>
23  ret <2 x i1> %cmp
24}
25
26define i1 @set_low_bit_mask_ugt(i8 %x) {
27; CHECK-LABEL: @set_low_bit_mask_ugt(
28; CHECK-NEXT:    [[CMP:%.*]] = icmp ugt i8 [[X:%.*]], 19
29; CHECK-NEXT:    ret i1 [[CMP]]
30;
31  %sub = or i8 %x, 3
32  %cmp = icmp ugt i8 %sub, 19
33  ret i1 %cmp
34}
35
36define i1 @set_low_bit_mask_ult(i8 %x) {
37; CHECK-LABEL: @set_low_bit_mask_ult(
38; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 3
39; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[SUB]], 19
40; CHECK-NEXT:    ret i1 [[CMP]]
41;
42  %sub = or i8 %x, 3
43  %cmp = icmp ult i8 %sub, 19
44  ret i1 %cmp
45}
46
47define i1 @set_low_bit_mask_uge(i8 %x) {
48; CHECK-LABEL: @set_low_bit_mask_uge(
49; CHECK-NEXT:    [[CMP:%.*]] = icmp ugt i8 [[X:%.*]], 19
50; CHECK-NEXT:    ret i1 [[CMP]]
51;
52  %sub = or i8 %x, 3
53  %cmp = icmp uge i8 %sub, 20
54  ret i1 %cmp
55}
56
57define i1 @set_low_bit_mask_ule(i8 %x) {
58; CHECK-LABEL: @set_low_bit_mask_ule(
59; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 3
60; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[SUB]], 19
61; CHECK-NEXT:    ret i1 [[CMP]]
62;
63  %sub = or i8 %x, 3
64  %cmp = icmp ule i8 %sub, 18
65  ret i1 %cmp
66}
67
68define i1 @set_low_bit_mask_sgt(i8 %x) {
69; CHECK-LABEL: @set_low_bit_mask_sgt(
70; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 3
71; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i8 [[SUB]], 20
72; CHECK-NEXT:    ret i1 [[CMP]]
73;
74  %sub = or i8 %x, 3
75  %cmp = icmp sgt i8 %sub, 20
76  ret i1 %cmp
77}
78
79define i1 @set_low_bit_mask_slt(i8 %x) {
80; CHECK-LABEL: @set_low_bit_mask_slt(
81; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 15
82; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[SUB]], 19
83; CHECK-NEXT:    ret i1 [[CMP]]
84;
85  %sub = or i8 %x, 15
86  %cmp = icmp slt i8 %sub, 19
87  ret i1 %cmp
88}
89
90define i1 @set_low_bit_mask_sge(i8 %x) {
91; CHECK-LABEL: @set_low_bit_mask_sge(
92; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 31
93; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i8 [[SUB]], 50
94; CHECK-NEXT:    ret i1 [[CMP]]
95;
96  %sub = or i8 %x, 31
97  %cmp = icmp sge i8 %sub, 51
98  ret i1 %cmp
99}
100
101define i1 @set_low_bit_mask_sle(i8 %x) {
102; CHECK-LABEL: @set_low_bit_mask_sle(
103; CHECK-NEXT:    [[SUB:%.*]] = or i8 [[X:%.*]], 63
104; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[SUB]], 69
105; CHECK-NEXT:    ret i1 [[CMP]]
106;
107  %sub = or i8 %x, 63
108  %cmp = icmp sle i8 %sub, 68
109  ret i1 %cmp
110}
111
112