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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=aarch64-linux-gnu -O3 -o - %s | FileCheck %s
define { i32, i32 } @adds_cmn(i32 noundef %x, i32 noundef %y) {
; CHECK-LABEL: adds_cmn:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: cmn w0, w1
; CHECK-NEXT: add w1, w0, w1
; CHECK-NEXT: cset w8, lo
; CHECK-NEXT: mov w0, w8
; CHECK-NEXT: ret
entry:
%0 = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 %y)
%_4.1 = extractvalue { i32, i1 } %0, 1
%_5 = add nuw i32 %x, %y
%_0.sroa.3.0 = select i1 %_4.1, i32 undef, i32 %_5
%not._4.1 = xor i1 %_4.1, true
%_0.sroa.0.0 = zext i1 %not._4.1 to i32
%1 = insertvalue { i32, i32 } poison, i32 %_0.sroa.0.0, 0
%2 = insertvalue { i32, i32 } %1, i32 %_0.sroa.3.0, 1
ret { i32, i32 } %2
}
define { i32, i32 } @adds_cmn_c(i32 noundef %x, i32 noundef %y) {
; CHECK-LABEL: adds_cmn_c:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: cmn w0, w1
; CHECK-NEXT: add w1, w1, w0
; CHECK-NEXT: cset w8, lo
; CHECK-NEXT: mov w0, w8
; CHECK-NEXT: ret
entry:
%0 = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 %y)
%_4.1 = extractvalue { i32, i1 } %0, 1
%_5 = add nuw i32 %y, %x
%_0.sroa.3.0 = select i1 %_4.1, i32 undef, i32 %_5
%not._4.1 = xor i1 %_4.1, true
%_0.sroa.0.0 = zext i1 %not._4.1 to i32
%1 = insertvalue { i32, i32 } poison, i32 %_0.sroa.0.0, 0
%2 = insertvalue { i32, i32 } %1, i32 %_0.sroa.3.0, 1
ret { i32, i32 } %2
}
define { i32, i32 } @subs_cmp(i32 noundef %x, i32 noundef %y) {
; CHECK-LABEL: subs_cmp:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: subs w1, w0, w1
; CHECK-NEXT: cset w0, hs
; CHECK-NEXT: ret
entry:
%0 = tail call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %x, i32 %y)
%_4.1 = extractvalue { i32, i1 } %0, 1
%_5 = sub nuw i32 %x, %y
%_0.sroa.3.0 = select i1 %_4.1, i32 undef, i32 %_5
%not._4.1 = xor i1 %_4.1, true
%_0.sroa.0.0 = zext i1 %not._4.1 to i32
%1 = insertvalue { i32, i32 } poison, i32 %_0.sroa.0.0, 0
%2 = insertvalue { i32, i32 } %1, i32 %_0.sroa.3.0, 1
ret { i32, i32 } %2
}
define { i32, i32 } @subs_cmp_c(i32 noundef %x, i32 noundef %y) {
; CHECK-LABEL: subs_cmp_c:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: subs w1, w1, w0
; CHECK-NEXT: cset w0, ls
; CHECK-NEXT: ret
entry:
%0 = tail call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %x, i32 %y)
%_4.1 = extractvalue { i32, i1 } %0, 1
%_5 = sub nuw i32 %y, %x
%_0.sroa.3.0 = select i1 %_4.1, i32 undef, i32 %_5
%not._4.1 = xor i1 %_4.1, true
%_0.sroa.0.0 = zext i1 %not._4.1 to i32
%1 = insertvalue { i32, i32 } poison, i32 %_0.sroa.0.0, 0
%2 = insertvalue { i32, i32 } %1, i32 %_0.sroa.3.0, 1
ret { i32, i32 } %2
}
|
