tdc-04.ll
1.75 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
; Test the Test Data Class instruction logic operation conversion from
; signbit extraction.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
;
; Extract sign bit.
define i32 @f1(float %x) {
; CHECK-LABEL: f1
; CHECK: tceb %f0, 1365
%cast = bitcast float %x to i32
%res = icmp slt i32 %cast, 0
%xres = zext i1 %res to i32
ret i32 %xres
}
; Extract negated sign bit.
define i32 @f2(float %x) {
; CHECK-LABEL: f2
; CHECK: tceb %f0, 2730
%cast = bitcast float %x to i32
%res = icmp sgt i32 %cast, -1
%xres = zext i1 %res to i32
ret i32 %xres
}
; Extract sign bit.
define i32 @f3(double %x) {
; CHECK-LABEL: f3
; CHECK: tcdb %f0, 1365
%cast = bitcast double %x to i64
%res = icmp slt i64 %cast, 0
%xres = zext i1 %res to i32
ret i32 %xres
}
; Extract negated sign bit.
define i32 @f4(double %x) {
; CHECK-LABEL: f4
; CHECK: tcdb %f0, 2730
%cast = bitcast double %x to i64
%res = icmp sgt i64 %cast, -1
%xres = zext i1 %res to i32
ret i32 %xres
}
; Extract sign bit.
define i32 @f5(fp128 %x) {
; CHECK-LABEL: f5
; CHECK: tcxb %f0, 1365
%cast = bitcast fp128 %x to i128
%res = icmp slt i128 %cast, 0
%xres = zext i1 %res to i32
ret i32 %xres
}
; Extract negated sign bit.
define i32 @f6(fp128 %x) {
; CHECK-LABEL: f6
; CHECK: tcxb %f0, 2730
%cast = bitcast fp128 %x to i128
%res = icmp sgt i128 %cast, -1
%xres = zext i1 %res to i32
ret i32 %xres
}
; Wrong const.
define i32 @f7(float %x) {
; CHECK-LABEL: f7
; CHECK-NOT: tceb
%cast = bitcast float %x to i32
%res = icmp slt i32 %cast, -1
%xres = zext i1 %res to i32
ret i32 %xres
}
; Wrong pred.
define i32 @f8(float %x) {
; CHECK-LABEL: f8
; CHECK-NOT: tceb
%cast = bitcast float %x to i32
%res = icmp eq i32 %cast, 0
%xres = zext i1 %res to i32
ret i32 %xres
}