1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
| ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
; These tests would be improved by 'movs r0, #0' being rematerialized below the
; tst as 'mov.w r0, #0'.
; 0x000000bb = 187
define i32 @f2(i32 %a) {
%tmp = and i32 %a, 187
%tmp1 = icmp eq i32 0, %tmp
%ret = select i1 %tmp1, i32 42, i32 24
ret i32 %ret
}
; CHECK-LABEL: f2:
; CHECK: tst.w {{.*}}, #187
; 0x00aa00aa = 11141290
define i32 @f3(i32 %a) {
%tmp = and i32 %a, 11141290
%tmp1 = icmp eq i32 %tmp, 0
%ret = select i1 %tmp1, i32 42, i32 24
ret i32 %ret
}
; CHECK-LABEL: f3:
; CHECK: tst.w {{.*}}, #11141290
; 0xcc00cc00 = 3422604288
define i32 @f6(i32 %a) {
%tmp = and i32 %a, 3422604288
%tmp1 = icmp eq i32 0, %tmp
%ret = select i1 %tmp1, i32 42, i32 24
ret i32 %ret
}
; CHECK-LABEL: f6:
; CHECK: tst.w {{.*}}, #-872363008
; 0xdddddddd = 3722304989
define i32 @f7(i32 %a) {
%tmp = and i32 %a, 3722304989
%tmp1 = icmp eq i32 %tmp, 0
%ret = select i1 %tmp1, i32 42, i32 24
ret i32 %ret
}
; CHECK-LABEL: f7:
; CHECK: tst.w {{.*}}, #-572662307
; 0x00110000 = 1114112
define i32 @f10(i32 %a) {
%tmp = and i32 %a, 1114112
%tmp1 = icmp eq i32 0, %tmp
%ret = select i1 %tmp1, i32 42, i32 24
ret i32 %ret
}
; CHECK-LABEL: f10:
; CHECK: tst.w {{.*}}, #1114112
; 0x000000bb = 187
define i1 @f12(i32 %a) {
%tmp = and i32 %a, 187
%tmp1 = icmp eq i32 0, %tmp
ret i1 %tmp1
}
; CHECK-LABEL: f12:
; CHECK: and r0, r0, #187
; CHECK-NEXT: clz r0, r0
; CHECK-NEXT: lsrs r0, r0, #5
; 0x00aa00aa = 11141290
define i1 @f13(i32 %a) {
%tmp = and i32 %a, 11141290
%tmp1 = icmp eq i32 %tmp, 0
ret i1 %tmp1
}
; CHECK-LABEL: f13:
; CHECK: and r0, r0, #11141290
; CHECK-NEXT: clz r0, r0
; CHECK-NEXT: lsrs r0, r0, #5
; 0xcc00cc00 = 3422604288
define i1 @f16(i32 %a) {
%tmp = and i32 %a, 3422604288
%tmp1 = icmp eq i32 0, %tmp
ret i1 %tmp1
}
; CHECK-LABEL: f16:
; CHECK: and r0, r0, #-872363008
; CHECK-NEXT: clz r0, r0
; CHECK-NEXT: lsrs r0, r0, #5
; 0xdddddddd = 3722304989
define i1 @f17(i32 %a) {
%tmp = and i32 %a, 3722304989
%tmp1 = icmp eq i32 %tmp, 0
ret i1 %tmp1
}
; CHECK-LABEL: f17:
; CHECK: bic r0, r0, #572662306
; CHECK-NEXT: clz r0, r0
; CHECK-NEXT: lsrs r0, r0, #5
; 0x00110000 = 1114112
define i1 @f18(i32 %a) {
%tmp = and i32 %a, 1114112
%tmp1 = icmp eq i32 0, %tmp
ret i1 %tmp1
}
; CHECK-LABEL: f18:
; CHECK: and r0, r0, #1114112
; CHECK-NEXT: clz r0, r0
; CHECK-NEXT: lsrs r0, r0, #5
|