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
|
; Test all condition-code masks that are relevant for unsigned integer
; comparisons.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
define void @f1(i32 *%src, i32 %target) {
; CHECK-LABEL: f1:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: cl %r3, 0(%r2)
; CHECK-NEXT: jle .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32, i32 *%src
%cond = icmp ule i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f2(i32 *%src, i32 %target) {
; CHECK-LABEL: f2:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: cl %r3, 0(%r2)
; CHECK-NEXT: jl .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32, i32 *%src
%cond = icmp ult i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f3(i32 *%src, i32 %target) {
; CHECK-LABEL: f3:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: cl %r3, 0(%r2)
; CHECK-NEXT: jh .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32, i32 *%src
%cond = icmp ugt i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
define void @f4(i32 *%src, i32 %target) {
; CHECK-LABEL: f4:
; CHECK: .cfi_startproc
; CHECK: .L[[LABEL:.*]]:
; CHECK: cl %r3, 0(%r2)
; CHECK-NEXT: jhe .L[[LABEL]]
br label %loop
loop:
%val = load volatile i32, i32 *%src
%cond = icmp uge i32 %target, %val
br i1 %cond, label %loop, label %exit
exit:
ret void
}
|
