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
149
150
151
152
153
154
155
156
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
; RUN: opt -S -mtriple=amdgcn-amd- -amdgpu-annotate-kernel-features %s | FileCheck --allow-unused-prefixes -check-prefixes=CHECK,AKF_CHECK %s
; RUN: opt -S -mtriple=amdgcn-amd- -amdgpu-attributor %s | FileCheck --allow-unused-prefixes -check-prefixes=CHECK,ATTRIBUTOR_CHECK %s
; Test to ensure recursive functions exhibit proper behaviour
; Test to generate fibonacci numbers
define i32 @fib(i32 %n) #0 {
; AKF_CHECK-LABEL: define {{[^@]+}}@fib
; AKF_CHECK-SAME: (i32 [[N:%.*]]) #[[ATTR0:[0-9]+]] {
; AKF_CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[N]], 0
; AKF_CHECK-NEXT: br i1 [[CMP1]], label [[EXIT:%.*]], label [[CONT1:%.*]]
; AKF_CHECK: cont1:
; AKF_CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[N]], 1
; AKF_CHECK-NEXT: br i1 [[CMP2]], label [[EXIT]], label [[CONT2:%.*]]
; AKF_CHECK: cont2:
; AKF_CHECK-NEXT: [[NM1:%.*]] = sub i32 [[N]], 1
; AKF_CHECK-NEXT: [[FIBM1:%.*]] = call i32 @fib(i32 [[NM1]])
; AKF_CHECK-NEXT: [[NM2:%.*]] = sub i32 [[N]], 2
; AKF_CHECK-NEXT: [[FIBM2:%.*]] = call i32 @fib(i32 [[NM2]])
; AKF_CHECK-NEXT: [[RETVAL:%.*]] = add i32 [[FIBM1]], [[FIBM2]]
; AKF_CHECK-NEXT: ret i32 [[RETVAL]]
; AKF_CHECK: exit:
; AKF_CHECK-NEXT: ret i32 1
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@fib
; ATTRIBUTOR_CHECK-SAME: (i32 [[N:%.*]]) #[[ATTR0:[0-9]+]] {
; ATTRIBUTOR_CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[N]], 0
; ATTRIBUTOR_CHECK-NEXT: br i1 [[CMP1]], label [[EXIT:%.*]], label [[CONT1:%.*]]
; ATTRIBUTOR_CHECK: cont1:
; ATTRIBUTOR_CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[N]], 1
; ATTRIBUTOR_CHECK-NEXT: br i1 [[CMP2]], label [[EXIT]], label [[CONT2:%.*]]
; ATTRIBUTOR_CHECK: cont2:
; ATTRIBUTOR_CHECK-NEXT: [[NM1:%.*]] = sub i32 [[N]], 1
; ATTRIBUTOR_CHECK-NEXT: [[FIBM1:%.*]] = call i32 @fib(i32 [[NM1]]) #[[ATTR3:[0-9]+]]
; ATTRIBUTOR_CHECK-NEXT: [[NM2:%.*]] = sub i32 [[N]], 2
; ATTRIBUTOR_CHECK-NEXT: [[FIBM2:%.*]] = call i32 @fib(i32 [[NM2]]) #[[ATTR3]]
; ATTRIBUTOR_CHECK-NEXT: [[RETVAL:%.*]] = add i32 [[FIBM1]], [[FIBM2]]
; ATTRIBUTOR_CHECK-NEXT: ret i32 [[RETVAL]]
; ATTRIBUTOR_CHECK: exit:
; ATTRIBUTOR_CHECK-NEXT: ret i32 1
;
%cmp1 = icmp eq i32 %n, 0
br i1 %cmp1, label %exit, label %cont1
cont1:
%cmp2 = icmp eq i32 %n, 1
br i1 %cmp2, label %exit, label %cont2
cont2:
%nm1 = sub i32 %n, 1
%fibm1 = call i32 @fib(i32 %nm1)
%nm2 = sub i32 %n, 2
%fibm2 = call i32 @fib(i32 %nm2)
%retval = add i32 %fibm1, %fibm2
ret i32 %retval
exit:
ret i32 1
}
define internal i32 @fib_internal(i32 %n) #0 {
; AKF_CHECK-LABEL: define {{[^@]+}}@fib_internal
; AKF_CHECK-SAME: (i32 [[N:%.*]]) #[[ATTR0]] {
; AKF_CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[N]], 0
; AKF_CHECK-NEXT: br i1 [[CMP1]], label [[EXIT:%.*]], label [[CONT1:%.*]]
; AKF_CHECK: cont1:
; AKF_CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[N]], 1
; AKF_CHECK-NEXT: br i1 [[CMP2]], label [[EXIT]], label [[CONT2:%.*]]
; AKF_CHECK: cont2:
; AKF_CHECK-NEXT: [[NM1:%.*]] = sub i32 [[N]], 1
; AKF_CHECK-NEXT: [[FIBM1:%.*]] = call i32 @fib_internal(i32 [[NM1]])
; AKF_CHECK-NEXT: [[NM2:%.*]] = sub i32 [[N]], 2
; AKF_CHECK-NEXT: [[FIBM2:%.*]] = call i32 @fib_internal(i32 [[NM2]])
; AKF_CHECK-NEXT: [[RETVAL:%.*]] = add i32 [[FIBM1]], [[FIBM2]]
; AKF_CHECK-NEXT: ret i32 [[RETVAL]]
; AKF_CHECK: exit:
; AKF_CHECK-NEXT: ret i32 1
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@fib_internal
; ATTRIBUTOR_CHECK-SAME: (i32 [[N:%.*]]) #[[ATTR1:[0-9]+]] {
; ATTRIBUTOR_CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[N]], 0
; ATTRIBUTOR_CHECK-NEXT: br i1 [[CMP1]], label [[EXIT:%.*]], label [[CONT1:%.*]]
; ATTRIBUTOR_CHECK: cont1:
; ATTRIBUTOR_CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[N]], 1
; ATTRIBUTOR_CHECK-NEXT: br i1 [[CMP2]], label [[EXIT]], label [[CONT2:%.*]]
; ATTRIBUTOR_CHECK: cont2:
; ATTRIBUTOR_CHECK-NEXT: [[NM1:%.*]] = sub i32 [[N]], 1
; ATTRIBUTOR_CHECK-NEXT: [[FIBM1:%.*]] = call i32 @fib_internal(i32 [[NM1]]) #[[ATTR4:[0-9]+]]
; ATTRIBUTOR_CHECK-NEXT: [[NM2:%.*]] = sub i32 [[N]], 2
; ATTRIBUTOR_CHECK-NEXT: [[FIBM2:%.*]] = call i32 @fib_internal(i32 [[NM2]]) #[[ATTR4]]
; ATTRIBUTOR_CHECK-NEXT: [[RETVAL:%.*]] = add i32 [[FIBM1]], [[FIBM2]]
; ATTRIBUTOR_CHECK-NEXT: ret i32 [[RETVAL]]
; ATTRIBUTOR_CHECK: exit:
; ATTRIBUTOR_CHECK-NEXT: ret i32 1
;
%cmp1 = icmp eq i32 %n, 0
br i1 %cmp1, label %exit, label %cont1
cont1:
%cmp2 = icmp eq i32 %n, 1
br i1 %cmp2, label %exit, label %cont2
cont2:
%nm1 = sub i32 %n, 1
%fibm1 = call i32 @fib_internal(i32 %nm1)
%nm2 = sub i32 %n, 2
%fibm2 = call i32 @fib_internal(i32 %nm2)
%retval = add i32 %fibm1, %fibm2
ret i32 %retval
exit:
ret i32 1
}
define amdgpu_kernel void @kernel(i32 addrspace(1)* %m) #1 {
; AKF_CHECK-LABEL: define {{[^@]+}}@kernel
; AKF_CHECK-SAME: (i32 addrspace(1)* [[M:%.*]]) #[[ATTR1:[0-9]+]] {
; AKF_CHECK-NEXT: [[R:%.*]] = call i32 @fib(i32 5)
; AKF_CHECK-NEXT: [[R2:%.*]] = call i32 @fib_internal(i32 5)
; AKF_CHECK-NEXT: store i32 [[R]], i32 addrspace(1)* [[M]], align 4
; AKF_CHECK-NEXT: store i32 [[R2]], i32 addrspace(1)* [[M]], align 4
; AKF_CHECK-NEXT: ret void
;
; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@kernel
; ATTRIBUTOR_CHECK-SAME: (i32 addrspace(1)* [[M:%.*]]) #[[ATTR2:[0-9]+]] {
; ATTRIBUTOR_CHECK-NEXT: [[R:%.*]] = call i32 @fib(i32 5) #[[ATTR3]]
; ATTRIBUTOR_CHECK-NEXT: [[R2:%.*]] = call i32 @fib_internal(i32 noundef 5) #[[ATTR3]]
; ATTRIBUTOR_CHECK-NEXT: store i32 [[R]], i32 addrspace(1)* [[M]], align 4
; ATTRIBUTOR_CHECK-NEXT: store i32 [[R2]], i32 addrspace(1)* [[M]], align 4
; ATTRIBUTOR_CHECK-NEXT: ret void
;
%r = call i32 @fib(i32 5)
%r2 = call i32 @fib_internal(i32 5)
store i32 %r, i32 addrspace(1)* %m
store i32 %r2, i32 addrspace(1)* %m
ret void
}
; nounwind and readnone are added to match attributor results.
attributes #0 = { nounwind readnone }
attributes #1 = { "uniform-work-group-size"="true" }
;.
; AKF_CHECK: attributes #[[ATTR0]] = { nounwind readnone "uniform-work-group-size"="true" }
; AKF_CHECK: attributes #[[ATTR1]] = { "amdgpu-calls" "uniform-work-group-size"="true" }
;.
; ATTRIBUTOR_CHECK: attributes #[[ATTR0]] = { nounwind readnone "uniform-work-group-size"="false" }
; ATTRIBUTOR_CHECK: attributes #[[ATTR1]] = { nofree nosync nounwind readnone "uniform-work-group-size"="true" }
; ATTRIBUTOR_CHECK: attributes #[[ATTR2]] = { "amdgpu-calls" "uniform-work-group-size"="true" }
; ATTRIBUTOR_CHECK: attributes #[[ATTR3]] = { nounwind readnone }
; ATTRIBUTOR_CHECK: attributes #[[ATTR4]] = { nofree nounwind readnone }
;.
|
