and-06.ll
2.43 KB
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
; Test that we can use NI for byte operations that are expressed as i32
; or i64 operations.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Zero extension to 32 bits, negative constant.
define void @f1(i8 *%ptr) {
; CHECK-LABEL: f1:
; CHECK: ni 0(%r2), 254
; CHECK: br %r14
%val = load i8, i8 *%ptr
%ext = zext i8 %val to i32
%and = and i32 %ext, -2
%trunc = trunc i32 %and to i8
store i8 %trunc, i8 *%ptr
ret void
}
; Zero extension to 64 bits, negative constant.
define void @f2(i8 *%ptr) {
; CHECK-LABEL: f2:
; CHECK: ni 0(%r2), 254
; CHECK: br %r14
%val = load i8, i8 *%ptr
%ext = zext i8 %val to i64
%and = and i64 %ext, -2
%trunc = trunc i64 %and to i8
store i8 %trunc, i8 *%ptr
ret void
}
; Zero extension to 32 bits, positive constant.
define void @f3(i8 *%ptr) {
; CHECK-LABEL: f3:
; CHECK: ni 0(%r2), 254
; CHECK: br %r14
%val = load i8, i8 *%ptr
%ext = zext i8 %val to i32
%and = and i32 %ext, 254
%trunc = trunc i32 %and to i8
store i8 %trunc, i8 *%ptr
ret void
}
; Zero extension to 64 bits, positive constant.
define void @f4(i8 *%ptr) {
; CHECK-LABEL: f4:
; CHECK: ni 0(%r2), 254
; CHECK: br %r14
%val = load i8, i8 *%ptr
%ext = zext i8 %val to i64
%and = and i64 %ext, 254
%trunc = trunc i64 %and to i8
store i8 %trunc, i8 *%ptr
ret void
}
; Sign extension to 32 bits, negative constant.
define void @f5(i8 *%ptr) {
; CHECK-LABEL: f5:
; CHECK: ni 0(%r2), 254
; CHECK: br %r14
%val = load i8, i8 *%ptr
%ext = sext i8 %val to i32
%and = and i32 %ext, -2
%trunc = trunc i32 %and to i8
store i8 %trunc, i8 *%ptr
ret void
}
; Sign extension to 64 bits, negative constant.
define void @f6(i8 *%ptr) {
; CHECK-LABEL: f6:
; CHECK: ni 0(%r2), 254
; CHECK: br %r14
%val = load i8, i8 *%ptr
%ext = sext i8 %val to i64
%and = and i64 %ext, -2
%trunc = trunc i64 %and to i8
store i8 %trunc, i8 *%ptr
ret void
}
; Sign extension to 32 bits, positive constant.
define void @f7(i8 *%ptr) {
; CHECK-LABEL: f7:
; CHECK: ni 0(%r2), 254
; CHECK: br %r14
%val = load i8, i8 *%ptr
%ext = sext i8 %val to i32
%and = and i32 %ext, 254
%trunc = trunc i32 %and to i8
store i8 %trunc, i8 *%ptr
ret void
}
; Sign extension to 64 bits, positive constant.
define void @f8(i8 *%ptr) {
; CHECK-LABEL: f8:
; CHECK: ni 0(%r2), 254
; CHECK: br %r14
%val = load i8, i8 *%ptr
%ext = sext i8 %val to i64
%and = and i64 %ext, 254
%trunc = trunc i64 %and to i8
store i8 %trunc, i8 *%ptr
ret void
}