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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
| ; RUN: llc < %s -march=avr | FileCheck %s
declare void @f1(i8)
declare void @f2(i8)
define void @cmp8(i8 %a, i8 %b) {
; CHECK-LABEL: cmp8:
; CHECK: cp
; CHECK-NOT: cpc
%cmp = icmp eq i8 %a, %b
br i1 %cmp, label %if.then, label %if.else
if.then:
tail call void @f1(i8 %a)
br label %if.end
if.else:
tail call void @f2(i8 %b)
br label %if.end
if.end:
ret void
}
declare void @f3(i16)
declare void @f4(i16)
define void @cmp16(i16 %a, i16 %b) {
; CHECK-LABEL: cmp16:
; CHECK: cp
; CHECK-NEXT: cpc
%cmp = icmp eq i16 %a, %b
br i1 %cmp, label %if.then, label %if.else
if.then:
tail call void @f3(i16 %a)
br label %if.end
if.else:
tail call void @f4(i16 %b)
br label %if.end
if.end:
ret void
}
declare void @f5(i32)
declare void @f6(i32)
define void @cmp32(i32 %a, i32 %b) {
; CHECK-LABEL: cmp32:
; CHECK: cp
; CHECK-NEXT: cpc
; CHECK-NEXT: cpc
; CHECK-NEXT: cpc
%cmp = icmp eq i32 %a, %b
br i1 %cmp, label %if.then, label %if.else
if.then:
tail call void @f5(i32 %a)
br label %if.end
if.else:
tail call void @f6(i32 %b)
br label %if.end
if.end:
ret void
}
declare void @f7(i64)
declare void @f8(i64)
define void @cmp64(i64 %a, i64 %b) {
; CHECK-LABEL: cmp64:
; CHECK: cp
; CHECK-NEXT: cpc
; CHECK-NEXT: cpc
; CHECK-NEXT: cpc
; CHECK-NEXT: cpc
; CHECK-NEXT: cpc
; CHECK-NEXT: cpc
; CHECK-NEXT: cpc
%cmp = icmp eq i64 %a, %b
br i1 %cmp, label %if.then, label %if.else
if.then:
tail call void @f7(i64 %a)
br label %if.end
if.else:
tail call void @f8(i64 %b)
br label %if.end
if.end:
ret void
}
declare void @f9()
declare void @f10()
define void @tst8(i8 %a) {
; CHECK-LABEL: tst8:
; CHECK: tst r24
; CHECK-NEXT: brmi
%cmp = icmp sgt i8 %a, -1
br i1 %cmp, label %if.then, label %if.else
if.then:
tail call void @f9()
br label %if.end
if.else:
tail call void @f10()
br label %if.end
if.end:
ret void
}
define void @tst16(i16 %a) {
; CHECK-LABEL: tst16:
; CHECK: tst r25
; CHECK-NEXT: brmi
%cmp = icmp sgt i16 %a, -1
br i1 %cmp, label %if.then, label %if.else
if.then:
tail call void @f9()
br label %if.end
if.else:
tail call void @f10()
br label %if.end
if.end:
ret void
}
define void @tst32(i32 %a) {
; CHECK-LABEL: tst32:
; CHECK: tst r25
; CHECK-NEXT: brmi
%cmp = icmp sgt i32 %a, -1
br i1 %cmp, label %if.then, label %if.else
if.then:
tail call void @f9()
br label %if.end
if.else:
tail call void @f10()
br label %if.end
if.end:
ret void
}
define void @tst64(i64 %a) {
; CHECK-LABEL: tst64:
; CHECK: tst r25
; CHECK-NEXT: brmi
%cmp = icmp sgt i64 %a, -1
br i1 %cmp, label %if.then, label %if.else
if.then:
tail call void @f9()
br label %if.end
if.else:
tail call void @f10()
br label %if.end
if.end:
ret void
}
|