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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
declare i32 @llvm.r600.read.tidig.x() nounwind readnone
; FUNC-LABEL: @v_test_imin_sle_i32
; SI: v_min_i32_e32
define void @v_test_imin_sle_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
%gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
%gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
%outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
%a = load i32, i32 addrspace(1)* %gep0, align 4
%b = load i32, i32 addrspace(1)* %gep1, align 4
%cmp = icmp sle i32 %a, %b
%val = select i1 %cmp, i32 %a, i32 %b
store i32 %val, i32 addrspace(1)* %outgep, align 4
ret void
}
; FUNC-LABEL: @s_test_imin_sle_i32
; SI: s_min_i32
define void @s_test_imin_sle_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
%cmp = icmp sle i32 %a, %b
%val = select i1 %cmp, i32 %a, i32 %b
store i32 %val, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @v_test_imin_slt_i32
; SI: v_min_i32_e32
define void @v_test_imin_slt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
%gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
%gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
%outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
%a = load i32, i32 addrspace(1)* %gep0, align 4
%b = load i32, i32 addrspace(1)* %gep1, align 4
%cmp = icmp slt i32 %a, %b
%val = select i1 %cmp, i32 %a, i32 %b
store i32 %val, i32 addrspace(1)* %outgep, align 4
ret void
}
; FUNC-LABEL: @s_test_imin_slt_i32
; SI: s_min_i32
define void @s_test_imin_slt_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
%cmp = icmp slt i32 %a, %b
%val = select i1 %cmp, i32 %a, i32 %b
store i32 %val, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}s_test_imin_slt_imm_i32:
; SI: s_min_i32 {{s[0-9]+}}, {{s[0-9]+}}, 8
define void @s_test_imin_slt_imm_i32(i32 addrspace(1)* %out, i32 %a) nounwind {
%cmp = icmp slt i32 %a, 8
%val = select i1 %cmp, i32 %a, i32 8
store i32 %val, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}s_test_imin_sle_imm_i32:
; SI: s_min_i32 {{s[0-9]+}}, {{s[0-9]+}}, 8
define void @s_test_imin_sle_imm_i32(i32 addrspace(1)* %out, i32 %a) nounwind {
%cmp = icmp sle i32 %a, 8
%val = select i1 %cmp, i32 %a, i32 8
store i32 %val, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @v_test_umin_ule_i32
; SI: v_min_u32_e32
define void @v_test_umin_ule_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
%gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
%gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
%outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
%a = load i32, i32 addrspace(1)* %gep0, align 4
%b = load i32, i32 addrspace(1)* %gep1, align 4
%cmp = icmp ule i32 %a, %b
%val = select i1 %cmp, i32 %a, i32 %b
store i32 %val, i32 addrspace(1)* %outgep, align 4
ret void
}
; FUNC-LABEL: @s_test_umin_ule_i32
; SI: s_min_u32
define void @s_test_umin_ule_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
%cmp = icmp ule i32 %a, %b
%val = select i1 %cmp, i32 %a, i32 %b
store i32 %val, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @v_test_umin_ult_i32
; SI: v_min_u32_e32
define void @v_test_umin_ult_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
%gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
%gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
%outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
%a = load i32, i32 addrspace(1)* %gep0, align 4
%b = load i32, i32 addrspace(1)* %gep1, align 4
%cmp = icmp ult i32 %a, %b
%val = select i1 %cmp, i32 %a, i32 %b
store i32 %val, i32 addrspace(1)* %outgep, align 4
ret void
}
; FUNC-LABEL: @s_test_umin_ult_i32
; SI: s_min_u32
define void @s_test_umin_ult_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
%cmp = icmp ult i32 %a, %b
%val = select i1 %cmp, i32 %a, i32 %b
store i32 %val, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @v_test_umin_ult_i32_multi_use
; SI-NOT: v_min
; SI: v_cmp_lt_u32
; SI-NEXT: v_cndmask_b32
; SI-NOT: v_min
; SI: s_endpgm
define void @v_test_umin_ult_i32_multi_use(i32 addrspace(1)* %out0, i1 addrspace(1)* %out1, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
%gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
%gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
%outgep0 = getelementptr i32, i32 addrspace(1)* %out0, i32 %tid
%outgep1 = getelementptr i1, i1 addrspace(1)* %out1, i32 %tid
%a = load i32, i32 addrspace(1)* %gep0, align 4
%b = load i32, i32 addrspace(1)* %gep1, align 4
%cmp = icmp ult i32 %a, %b
%val = select i1 %cmp, i32 %a, i32 %b
store i32 %val, i32 addrspace(1)* %outgep0, align 4
store i1 %cmp, i1 addrspace(1)* %outgep1
ret void
}
; Make sure redundant and removed
; FUNC-LABEL: {{^}}simplify_demanded_bits_test_umin_ult_i16:
; SI-DAG: s_load_dword [[A:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, 0xb
; SI-DAG: s_load_dword [[B:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, 0xc
; SI: s_min_u32 [[MIN:s[0-9]+]], [[A]], [[B]]
; SI-NEXT: v_mov_b32_e32 [[VMIN:v[0-9]+]], [[MIN]]
; SI-NEXT: buffer_store_dword [[VMIN]]
define void @simplify_demanded_bits_test_umin_ult_i16(i32 addrspace(1)* %out, i16 zeroext %a, i16 zeroext %b) nounwind {
%a.ext = zext i16 %a to i32
%b.ext = zext i16 %b to i32
%cmp = icmp ult i32 %a.ext, %b.ext
%val = select i1 %cmp, i32 %a.ext, i32 %b.ext
%mask = and i32 %val, 65535
store i32 %mask, i32 addrspace(1)* %out
ret void
}
; Make sure redundant sign_extend_inreg removed.
; FUNC-LABEL: {{^}}simplify_demanded_bits_test_min_slt_i16:
; SI-DAG: s_load_dword [[A:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, 0xb
; SI-DAG: s_load_dword [[B:s[0-9]+]], {{s\[[0-9]+:[0-9]+\]}}, 0xc
; SI: s_min_i32 [[MIN:s[0-9]+]], [[A]], [[B]]
; SI-NEXT: v_mov_b32_e32 [[VMIN:v[0-9]+]], [[MIN]]
; SI-NEXT: buffer_store_dword [[VMIN]]
define void @simplify_demanded_bits_test_min_slt_i16(i32 addrspace(1)* %out, i16 signext %a, i16 signext %b) nounwind {
%a.ext = sext i16 %a to i32
%b.ext = sext i16 %b to i32
%cmp = icmp slt i32 %a.ext, %b.ext
%val = select i1 %cmp, i32 %a.ext, i32 %b.ext
%shl = shl i32 %val, 16
%sextinreg = ashr i32 %shl, 16
store i32 %sextinreg, i32 addrspace(1)* %out
ret void
}
; FIXME: Should get match min/max through extends inserted by
; legalization.
; FUNC-LABEL: {{^}}s_test_imin_sle_i16:
; SI: s_sext_i32_i16
; SI: s_sext_i32_i16
; SI: v_cmp_le_i32_e32
; SI: v_cndmask_b32
define void @s_test_imin_sle_i16(i16 addrspace(1)* %out, i16 %a, i16 %b) nounwind {
%cmp = icmp sle i16 %a, %b
%val = select i1 %cmp, i16 %a, i16 %b
store i16 %val, i16 addrspace(1)* %out
ret void
}
|