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
157
158
159
160
|
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}udiv_i32:
; EG-NOT: SETGE_INT
; EG: CF_END
define void @udiv_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1) * %in
%b = load i32, i32 addrspace(1) * %b_ptr
%result = udiv i32 %a, %b
store i32 %result, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}s_udiv_i32:
define void @s_udiv_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) {
%result = udiv i32 %a, %b
store i32 %result, i32 addrspace(1)* %out
ret void
}
; The code generated by udiv is long and complex and may frequently
; change. The goal of this test is to make sure the ISel doesn't fail
; when it gets a v4i32 udiv
; FUNC-LABEL: {{^}}udiv_v2i32:
; EG: CF_END
; SI: s_endpgm
define void @udiv_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) {
%b_ptr = getelementptr <2 x i32>, <2 x i32> addrspace(1)* %in, i32 1
%a = load <2 x i32>, <2 x i32> addrspace(1) * %in
%b = load <2 x i32>, <2 x i32> addrspace(1) * %b_ptr
%result = udiv <2 x i32> %a, %b
store <2 x i32> %result, <2 x i32> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}udiv_v4i32:
; EG: CF_END
; SI: s_endpgm
define void @udiv_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
%b_ptr = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %in, i32 1
%a = load <4 x i32>, <4 x i32> addrspace(1) * %in
%b = load <4 x i32>, <4 x i32> addrspace(1) * %b_ptr
%result = udiv <4 x i32> %a, %b
store <4 x i32> %result, <4 x i32> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}udiv_i32_div_pow2:
; SI: buffer_load_dword [[VAL:v[0-9]+]]
; SI: v_lshrrev_b32_e32 [[RESULT:v[0-9]+]], 4, [[VAL]]
; SI: buffer_store_dword [[RESULT]]
define void @udiv_i32_div_pow2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1)* %in
%result = udiv i32 %a, 16
store i32 %result, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}udiv_i32_div_k_even:
; SI-DAG: buffer_load_dword [[VAL:v[0-9]+]]
; SI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0xfabbd9c1
; SI: v_mul_hi_u32 [[MULHI:v[0-9]+]], [[K]], [[VAL]]
; SI: v_lshrrev_b32_e32 [[RESULT:v[0-9]+]], 25, [[MULHI]]
; SI: buffer_store_dword [[RESULT]]
define void @udiv_i32_div_k_even(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1)* %in
%result = udiv i32 %a, 34259182
store i32 %result, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}udiv_i32_div_k_odd:
; SI-DAG: buffer_load_dword [[VAL:v[0-9]+]]
; SI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0x7d5deca3
; SI: v_mul_hi_u32 [[MULHI:v[0-9]+]], [[K]], [[VAL]]
; SI: v_lshrrev_b32_e32 [[RESULT:v[0-9]+]], 24, [[MULHI]]
; SI: buffer_store_dword [[RESULT]]
define void @udiv_i32_div_k_odd(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1)* %in
%result = udiv i32 %a, 34259183
store i32 %result, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_udiv_i8:
; SI: v_rcp_f32
; SI: v_and_b32_e32 [[TRUNC:v[0-9]+]], 0xff, v{{[0-9]+}}
; SI: buffer_store_dword [[TRUNC]]
define void @v_udiv_i8(i32 addrspace(1)* %out, i8 addrspace(1)* %in) {
%den_ptr = getelementptr i8, i8 addrspace(1)* %in, i8 1
%num = load i8, i8 addrspace(1) * %in
%den = load i8, i8 addrspace(1) * %den_ptr
%result = udiv i8 %num, %den
%result.ext = zext i8 %result to i32
store i32 %result.ext, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_udiv_i16:
; SI: v_rcp_f32
; SI: v_and_b32_e32 [[TRUNC:v[0-9]+]], 0xffff, v{{[0-9]+}}
; SI: buffer_store_dword [[TRUNC]]
define void @v_udiv_i16(i32 addrspace(1)* %out, i16 addrspace(1)* %in) {
%den_ptr = getelementptr i16, i16 addrspace(1)* %in, i16 1
%num = load i16, i16 addrspace(1) * %in
%den = load i16, i16 addrspace(1) * %den_ptr
%result = udiv i16 %num, %den
%result.ext = zext i16 %result to i32
store i32 %result.ext, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_udiv_i23:
; SI: v_rcp_f32
; SI: v_and_b32_e32 [[TRUNC:v[0-9]+]], 0x7fffff, v{{[0-9]+}}
; SI: buffer_store_dword [[TRUNC]]
define void @v_udiv_i23(i32 addrspace(1)* %out, i23 addrspace(1)* %in) {
%den_ptr = getelementptr i23, i23 addrspace(1)* %in, i23 1
%num = load i23, i23 addrspace(1) * %in
%den = load i23, i23 addrspace(1) * %den_ptr
%result = udiv i23 %num, %den
%result.ext = zext i23 %result to i32
store i32 %result.ext, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_udiv_i24:
; SI-NOT: v_rcp_f32
define void @v_udiv_i24(i32 addrspace(1)* %out, i24 addrspace(1)* %in) {
%den_ptr = getelementptr i24, i24 addrspace(1)* %in, i24 1
%num = load i24, i24 addrspace(1) * %in
%den = load i24, i24 addrspace(1) * %den_ptr
%result = udiv i24 %num, %den
%result.ext = zext i24 %result to i32
store i32 %result.ext, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: @scalarize_mulhu_4xi32
; SI: v_mul_hi_u32
; SI: v_mul_hi_u32
; SI: v_mul_hi_u32
; SI: v_mul_hi_u32
define void @scalarize_mulhu_4xi32(<4 x i32> addrspace(1)* nocapture readonly %in, <4 x i32> addrspace(1)* nocapture %out) {
%1 = load <4 x i32>, <4 x i32> addrspace(1)* %in, align 16
%2 = udiv <4 x i32> %1, <i32 53668, i32 53668, i32 53668, i32 53668>
store <4 x i32> %2, <4 x i32> addrspace(1)* %out, align 16
ret void
}
|
