1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -mtriple=mipsel-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
3 # RUN: llc -mtriple=mipsel-linux-gnu -run-pass=legalizer -mattr=+mips32r2 -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32R2
6 define void @bitreverse_i32() { entry: ret void }
7 define void @bitreverse_i64() { entry: ret void }
13 tracksRegLiveness: true
18 ; MIPS32-LABEL: name: bitreverse_i32
19 ; MIPS32: liveins: $a0
20 ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
21 ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
22 ; MIPS32: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
23 ; MIPS32: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C]](s32)
24 ; MIPS32: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]]
25 ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65280
26 ; MIPS32: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
27 ; MIPS32: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C1]]
28 ; MIPS32: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C2]](s32)
29 ; MIPS32: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
30 ; MIPS32: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C2]](s32)
31 ; MIPS32: [[AND1:%[0-9]+]]:_(s32) = G_AND [[LSHR1]], [[C1]]
32 ; MIPS32: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[AND1]]
33 ; MIPS32: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
34 ; MIPS32: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 -252645136
35 ; MIPS32: [[AND2:%[0-9]+]]:_(s32) = G_AND [[OR2]], [[C4]]
36 ; MIPS32: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C3]](s32)
37 ; MIPS32: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR2]], [[C3]](s32)
38 ; MIPS32: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C4]]
39 ; MIPS32: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND3]]
40 ; MIPS32: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
41 ; MIPS32: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 -858993460
42 ; MIPS32: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR3]], [[C6]]
43 ; MIPS32: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND4]], [[C5]](s32)
44 ; MIPS32: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[OR3]], [[C5]](s32)
45 ; MIPS32: [[AND5:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C6]]
46 ; MIPS32: [[OR4:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND5]]
47 ; MIPS32: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
48 ; MIPS32: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1431655766
49 ; MIPS32: [[AND6:%[0-9]+]]:_(s32) = G_AND [[OR4]], [[C8]]
50 ; MIPS32: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[AND6]], [[C7]](s32)
51 ; MIPS32: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[OR4]], [[C7]](s32)
52 ; MIPS32: [[AND7:%[0-9]+]]:_(s32) = G_AND [[SHL4]], [[C8]]
53 ; MIPS32: [[OR5:%[0-9]+]]:_(s32) = G_OR [[LSHR4]], [[AND7]]
54 ; MIPS32: $v0 = COPY [[OR5]](s32)
55 ; MIPS32: RetRA implicit $v0
56 ; MIPS32R2-LABEL: name: bitreverse_i32
57 ; MIPS32R2: liveins: $a0
58 ; MIPS32R2: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
59 ; MIPS32R2: [[BSWAP:%[0-9]+]]:_(s32) = G_BSWAP [[COPY]]
60 ; MIPS32R2: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
61 ; MIPS32R2: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -252645136
62 ; MIPS32R2: [[AND:%[0-9]+]]:_(s32) = G_AND [[BSWAP]], [[C1]]
63 ; MIPS32R2: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND]], [[C]](s32)
64 ; MIPS32R2: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[BSWAP]], [[C]](s32)
65 ; MIPS32R2: [[AND1:%[0-9]+]]:_(s32) = G_AND [[SHL]], [[C1]]
66 ; MIPS32R2: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[AND1]]
67 ; MIPS32R2: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
68 ; MIPS32R2: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 -858993460
69 ; MIPS32R2: [[AND2:%[0-9]+]]:_(s32) = G_AND [[OR]], [[C3]]
70 ; MIPS32R2: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C2]](s32)
71 ; MIPS32R2: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[OR]], [[C2]](s32)
72 ; MIPS32R2: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL1]], [[C3]]
73 ; MIPS32R2: [[OR1:%[0-9]+]]:_(s32) = G_OR [[LSHR1]], [[AND3]]
74 ; MIPS32R2: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
75 ; MIPS32R2: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1431655766
76 ; MIPS32R2: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR1]], [[C5]]
77 ; MIPS32R2: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND4]], [[C4]](s32)
78 ; MIPS32R2: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR1]], [[C4]](s32)
79 ; MIPS32R2: [[AND5:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C5]]
80 ; MIPS32R2: [[OR2:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND5]]
81 ; MIPS32R2: $v0 = COPY [[OR2]](s32)
82 ; MIPS32R2: RetRA implicit $v0
84 %1:_(s32) = G_BITREVERSE %0
92 tracksRegLiveness: true
97 ; MIPS32-LABEL: name: bitreverse_i64
98 ; MIPS32: liveins: $a0, $a1
99 ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
100 ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
101 ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
102 ; MIPS32: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY1]], [[C]](s32)
103 ; MIPS32: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C]](s32)
104 ; MIPS32: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[SHL]]
105 ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65280
106 ; MIPS32: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
107 ; MIPS32: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
108 ; MIPS32: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C2]](s32)
109 ; MIPS32: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
110 ; MIPS32: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C2]](s32)
111 ; MIPS32: [[AND1:%[0-9]+]]:_(s32) = G_AND [[LSHR1]], [[C1]]
112 ; MIPS32: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[AND1]]
113 ; MIPS32: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
114 ; MIPS32: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 -252645136
115 ; MIPS32: [[AND2:%[0-9]+]]:_(s32) = G_AND [[OR2]], [[C4]]
116 ; MIPS32: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C3]](s32)
117 ; MIPS32: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR2]], [[C3]](s32)
118 ; MIPS32: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C4]]
119 ; MIPS32: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND3]]
120 ; MIPS32: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
121 ; MIPS32: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 -858993460
122 ; MIPS32: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR3]], [[C6]]
123 ; MIPS32: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND4]], [[C5]](s32)
124 ; MIPS32: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[OR3]], [[C5]](s32)
125 ; MIPS32: [[AND5:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C6]]
126 ; MIPS32: [[OR4:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND5]]
127 ; MIPS32: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
128 ; MIPS32: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1431655766
129 ; MIPS32: [[AND6:%[0-9]+]]:_(s32) = G_AND [[OR4]], [[C8]]
130 ; MIPS32: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[AND6]], [[C7]](s32)
131 ; MIPS32: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[OR4]], [[C7]](s32)
132 ; MIPS32: [[AND7:%[0-9]+]]:_(s32) = G_AND [[SHL4]], [[C8]]
133 ; MIPS32: [[OR5:%[0-9]+]]:_(s32) = G_OR [[LSHR4]], [[AND7]]
134 ; MIPS32: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
135 ; MIPS32: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C]](s32)
136 ; MIPS32: [[OR6:%[0-9]+]]:_(s32) = G_OR [[LSHR5]], [[SHL5]]
137 ; MIPS32: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C1]]
138 ; MIPS32: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND8]], [[C2]](s32)
139 ; MIPS32: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL6]]
140 ; MIPS32: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C2]](s32)
141 ; MIPS32: [[AND9:%[0-9]+]]:_(s32) = G_AND [[LSHR6]], [[C1]]
142 ; MIPS32: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[AND9]]
143 ; MIPS32: [[AND10:%[0-9]+]]:_(s32) = G_AND [[OR8]], [[C4]]
144 ; MIPS32: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[AND10]], [[C3]](s32)
145 ; MIPS32: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[OR8]], [[C3]](s32)
146 ; MIPS32: [[AND11:%[0-9]+]]:_(s32) = G_AND [[SHL7]], [[C4]]
147 ; MIPS32: [[OR9:%[0-9]+]]:_(s32) = G_OR [[LSHR7]], [[AND11]]
148 ; MIPS32: [[AND12:%[0-9]+]]:_(s32) = G_AND [[OR9]], [[C6]]
149 ; MIPS32: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[AND12]], [[C5]](s32)
150 ; MIPS32: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[OR9]], [[C5]](s32)
151 ; MIPS32: [[AND13:%[0-9]+]]:_(s32) = G_AND [[SHL8]], [[C6]]
152 ; MIPS32: [[OR10:%[0-9]+]]:_(s32) = G_OR [[LSHR8]], [[AND13]]
153 ; MIPS32: [[AND14:%[0-9]+]]:_(s32) = G_AND [[OR10]], [[C8]]
154 ; MIPS32: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[AND14]], [[C7]](s32)
155 ; MIPS32: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[OR10]], [[C7]](s32)
156 ; MIPS32: [[AND15:%[0-9]+]]:_(s32) = G_AND [[SHL9]], [[C8]]
157 ; MIPS32: [[OR11:%[0-9]+]]:_(s32) = G_OR [[LSHR9]], [[AND15]]
158 ; MIPS32: $v0 = COPY [[OR5]](s32)
159 ; MIPS32: $v1 = COPY [[OR11]](s32)
160 ; MIPS32: RetRA implicit $v0, implicit $v1
161 ; MIPS32R2-LABEL: name: bitreverse_i64
162 ; MIPS32R2: liveins: $a0, $a1
163 ; MIPS32R2: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
164 ; MIPS32R2: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
165 ; MIPS32R2: [[BSWAP:%[0-9]+]]:_(s32) = G_BSWAP [[COPY1]]
166 ; MIPS32R2: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
167 ; MIPS32R2: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -252645136
168 ; MIPS32R2: [[AND:%[0-9]+]]:_(s32) = G_AND [[BSWAP]], [[C1]]
169 ; MIPS32R2: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND]], [[C]](s32)
170 ; MIPS32R2: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[BSWAP]], [[C]](s32)
171 ; MIPS32R2: [[AND1:%[0-9]+]]:_(s32) = G_AND [[SHL]], [[C1]]
172 ; MIPS32R2: [[OR:%[0-9]+]]:_(s32) = G_OR [[LSHR]], [[AND1]]
173 ; MIPS32R2: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
174 ; MIPS32R2: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 -858993460
175 ; MIPS32R2: [[AND2:%[0-9]+]]:_(s32) = G_AND [[OR]], [[C3]]
176 ; MIPS32R2: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C2]](s32)
177 ; MIPS32R2: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[OR]], [[C2]](s32)
178 ; MIPS32R2: [[AND3:%[0-9]+]]:_(s32) = G_AND [[SHL1]], [[C3]]
179 ; MIPS32R2: [[OR1:%[0-9]+]]:_(s32) = G_OR [[LSHR1]], [[AND3]]
180 ; MIPS32R2: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
181 ; MIPS32R2: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1431655766
182 ; MIPS32R2: [[AND4:%[0-9]+]]:_(s32) = G_AND [[OR1]], [[C5]]
183 ; MIPS32R2: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[AND4]], [[C4]](s32)
184 ; MIPS32R2: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[OR1]], [[C4]](s32)
185 ; MIPS32R2: [[AND5:%[0-9]+]]:_(s32) = G_AND [[SHL2]], [[C5]]
186 ; MIPS32R2: [[OR2:%[0-9]+]]:_(s32) = G_OR [[LSHR2]], [[AND5]]
187 ; MIPS32R2: [[BSWAP1:%[0-9]+]]:_(s32) = G_BSWAP [[COPY]]
188 ; MIPS32R2: [[AND6:%[0-9]+]]:_(s32) = G_AND [[BSWAP1]], [[C1]]
189 ; MIPS32R2: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[AND6]], [[C]](s32)
190 ; MIPS32R2: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[BSWAP1]], [[C]](s32)
191 ; MIPS32R2: [[AND7:%[0-9]+]]:_(s32) = G_AND [[SHL3]], [[C1]]
192 ; MIPS32R2: [[OR3:%[0-9]+]]:_(s32) = G_OR [[LSHR3]], [[AND7]]
193 ; MIPS32R2: [[AND8:%[0-9]+]]:_(s32) = G_AND [[OR3]], [[C3]]
194 ; MIPS32R2: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[AND8]], [[C2]](s32)
195 ; MIPS32R2: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[OR3]], [[C2]](s32)
196 ; MIPS32R2: [[AND9:%[0-9]+]]:_(s32) = G_AND [[SHL4]], [[C3]]
197 ; MIPS32R2: [[OR4:%[0-9]+]]:_(s32) = G_OR [[LSHR4]], [[AND9]]
198 ; MIPS32R2: [[AND10:%[0-9]+]]:_(s32) = G_AND [[OR4]], [[C5]]
199 ; MIPS32R2: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[AND10]], [[C4]](s32)
200 ; MIPS32R2: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[OR4]], [[C4]](s32)
201 ; MIPS32R2: [[AND11:%[0-9]+]]:_(s32) = G_AND [[SHL5]], [[C5]]
202 ; MIPS32R2: [[OR5:%[0-9]+]]:_(s32) = G_OR [[LSHR5]], [[AND11]]
203 ; MIPS32R2: $v0 = COPY [[OR2]](s32)
204 ; MIPS32R2: $v1 = COPY [[OR5]](s32)
205 ; MIPS32R2: RetRA implicit $v0, implicit $v1
208 %0:_(s64) = G_MERGE_VALUES %1(s32), %2(s32)
209 %3:_(s64) = G_BITREVERSE %0
210 %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %3(s64)
213 RetRA implicit $v0, implicit $v1