File: irtranslator-switch-bittest.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (390 lines) | stat: -rw-r--r-- 16,232 bytes parent folder | download | duplicates (4)
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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -mtriple aarch64 -aarch64-enable-atomic-cfg-tidy=0 -stop-after=irtranslator -global-isel -verify-machineinstrs %s -o - 2>&1 | FileCheck %s

define i32 @test_bittest(i16 %p) {
  ; CHECK-LABEL: name: test_bittest
  ; CHECK: bb.1 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.4(0x1b6db6db), %bb.5(0x64924925)
  ; CHECK-NEXT:   liveins: $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:_(s32) = COPY $w0
  ; CHECK-NEXT:   [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
  ; CHECK-NEXT:   [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 114
  ; CHECK-NEXT:   [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
  ; CHECK-NEXT:   [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[TRUNC]](s16)
  ; CHECK-NEXT:   [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[SUB:%[0-9]+]]:_(s32) = G_SUB [[ZEXT]], [[C3]]
  ; CHECK-NEXT:   [[ZEXT1:%[0-9]+]]:_(s64) = G_ZEXT [[SUB]](s32)
  ; CHECK-NEXT:   [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 59
  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB]](s32), [[C4]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP]](s1), %bb.4
  ; CHECK-NEXT:   G_BR %bb.5
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.3(0x40000000), %bb.2(0x40000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[ZEXT]](s32), [[C]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP1]](s1), %bb.3
  ; CHECK-NEXT:   G_BR %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.3(0x745d1746), %bb.4(0x0ba2e8ba)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
  ; CHECK-NEXT:   [[SHL:%[0-9]+]]:_(s64) = G_SHL [[C5]], [[ZEXT1]](s64)
  ; CHECK-NEXT:   [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 866239240827043840
  ; CHECK-NEXT:   [[AND:%[0-9]+]]:_(s64) = G_AND [[SHL]], [[C6]]
  ; CHECK-NEXT:   [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
  ; CHECK-NEXT:   [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND]](s64), [[C7]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP2]](s1), %bb.3
  ; CHECK-NEXT:   G_BR %bb.4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.sw.epilog:
  ; CHECK-NEXT:   $w0 = COPY [[C2]](s32)
  ; CHECK-NEXT:   RET_ReallyLR implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3.cb1:
  ; CHECK-NEXT:   $w0 = COPY [[C1]](s32)
  ; CHECK-NEXT:   RET_ReallyLR implicit $w0
  switch i16 %p, label %sw.epilog [
    i16 58, label %cb1
    i16 59, label %cb1
    i16 47, label %cb1
    i16 48, label %cb1
    i16 50, label %cb1
    i16 114, label %cb1
  ]
sw.epilog:
  ret i32 0

cb1:
  ret i32 42
}


declare void @callee()

define void @test_bittest_2_bt(i32 %p) {
  ; CHECK-LABEL: name: test_bittest_2_bt
  ; CHECK: bb.1.entry:
  ; CHECK-NEXT:   successors: %bb.5(0x345d1746), %bb.6(0x4ba2e8ba)
  ; CHECK-NEXT:   liveins: $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:_(s32) = COPY $w0
  ; CHECK-NEXT:   [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 176
  ; CHECK-NEXT:   [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY]], [[C]]
  ; CHECK-NEXT:   [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB]](s32), [[C1]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP]](s1), %bb.5
  ; CHECK-NEXT:   G_BR %bb.6
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5.entry:
  ; CHECK-NEXT:   successors: %bb.4(0x0ccccccd), %bb.7(0x73333333)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[SUB1:%[0-9]+]]:_(s32) = G_SUB [[COPY]], [[C2]]
  ; CHECK-NEXT:   [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[SUB1]](s32)
  ; CHECK-NEXT:   [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 38
  ; CHECK-NEXT:   [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB1]](s32), [[C3]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP1]](s1), %bb.4
  ; CHECK-NEXT:   G_BR %bb.7
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.6.entry:
  ; CHECK-NEXT:   successors: %bb.2(0x76276276), %bb.5(0x09d89d8a)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
  ; CHECK-NEXT:   [[SHL:%[0-9]+]]:_(s32) = G_SHL [[C4]], [[SUB]](s32)
  ; CHECK-NEXT:   [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 57351
  ; CHECK-NEXT:   [[AND:%[0-9]+]]:_(s32) = G_AND [[SHL]], [[C5]]
  ; CHECK-NEXT:   [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND]](s32), [[C6]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP2]](s1), %bb.2
  ; CHECK-NEXT:   G_BR %bb.5
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.7.entry:
  ; CHECK-NEXT:   successors: %bb.3(0x71c71c72), %bb.4(0x0e38e38e)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
  ; CHECK-NEXT:   [[SHL1:%[0-9]+]]:_(s64) = G_SHL [[C7]], [[ZEXT]](s64)
  ; CHECK-NEXT:   [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 365072220160
  ; CHECK-NEXT:   [[AND1:%[0-9]+]]:_(s64) = G_AND [[SHL1]], [[C8]]
  ; CHECK-NEXT:   [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
  ; CHECK-NEXT:   [[ICMP3:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND1]](s64), [[C9]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP3]](s1), %bb.3
  ; CHECK-NEXT:   G_BR %bb.4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.sw.bb37:
  ; CHECK-NEXT:   TCRETURNdi @callee, 0, csr_aarch64_aapcs, implicit $sp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3.sw.bb55:
  ; CHECK-NEXT:   TCRETURNdi @callee, 0, csr_aarch64_aapcs, implicit $sp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4.sw.default:
  ; CHECK-NEXT:   RET_ReallyLR
entry:
  switch i32 %p, label %sw.default [
    i32 32, label %sw.bb55
    i32 34, label %sw.bb55
    i32 36, label %sw.bb55
    i32 191, label %sw.bb37
    i32 190, label %sw.bb37
    i32 189, label %sw.bb37
    i32 178, label %sw.bb37
    i32 177, label %sw.bb37
    i32 176, label %sw.bb37
    i32 38, label %sw.bb55
  ]

sw.bb37:                                          ; preds = %entry, %entry, %entry, %entry, %entry, %entry
  tail call void @callee()
  ret void

sw.bb55:                                          ; preds = %entry, %entry, %entry, %entry
  tail call void @callee()
  ret void

sw.default:                                       ; preds = %entry
  ret void
}

define i32 @test_bittest_single_bt_only_with_fallthrough(i16 %p) {
  ; CHECK-LABEL: name: test_bittest_single_bt_only_with_fallthrough
  ; CHECK: bb.1 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.2(0x0aaaaaab), %bb.4(0x75555555)
  ; CHECK-NEXT:   liveins: $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:_(s32) = COPY $w0
  ; CHECK-NEXT:   [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
  ; CHECK-NEXT:   [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
  ; CHECK-NEXT:   [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[TRUNC]](s16)
  ; CHECK-NEXT:   [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[SUB:%[0-9]+]]:_(s32) = G_SUB [[ZEXT]], [[C2]]
  ; CHECK-NEXT:   [[ZEXT1:%[0-9]+]]:_(s64) = G_ZEXT [[SUB]](s32)
  ; CHECK-NEXT:   [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 59
  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB]](s32), [[C3]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP]](s1), %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.3(0x745d1746), %bb.2(0x0ba2e8ba)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
  ; CHECK-NEXT:   [[SHL:%[0-9]+]]:_(s64) = G_SHL [[C4]], [[ZEXT1]](s64)
  ; CHECK-NEXT:   [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 866239240827043840
  ; CHECK-NEXT:   [[AND:%[0-9]+]]:_(s64) = G_AND [[SHL]], [[C5]]
  ; CHECK-NEXT:   [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
  ; CHECK-NEXT:   [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND]](s64), [[C6]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP1]](s1), %bb.3
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.sw.epilog:
  ; CHECK-NEXT:   $w0 = COPY [[C1]](s32)
  ; CHECK-NEXT:   RET_ReallyLR implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3.cb1:
  ; CHECK-NEXT:   $w0 = COPY [[C]](s32)
  ; CHECK-NEXT:   RET_ReallyLR implicit $w0
  switch i16 %p, label %sw.epilog [
    i16 58, label %cb1
    i16 59, label %cb1
    i16 47, label %cb1
    i16 48, label %cb1
    i16 50, label %cb1
  ]
sw.epilog:
  ret i32 0

cb1:
  ret i32 42
}

define void @bit_test_block_incomplete_phi() {
  ; CHECK-LABEL: name: bit_test_block_incomplete_phi
  ; CHECK: bb.1.entry:
  ; CHECK-NEXT:   successors: %bb.5(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
  ; CHECK-NEXT:   [[DEF1:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
  ; CHECK-NEXT:   [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 false
  ; CHECK-NEXT:   [[C1:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
  ; CHECK-NEXT:   [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[SUB:%[0-9]+]]:_(s32) = G_SUB [[DEF]], [[C2]]
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5.entry:
  ; CHECK-NEXT:   successors: %bb.3(0x51745d17), %bb.4(0x2e8ba2e9)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
  ; CHECK-NEXT:   [[SHL:%[0-9]+]]:_(s32) = G_SHL [[C3]], [[SUB]](s32)
  ; CHECK-NEXT:   [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 491
  ; CHECK-NEXT:   [[AND:%[0-9]+]]:_(s32) = G_AND [[SHL]], [[C4]]
  ; CHECK-NEXT:   [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND]](s32), [[C5]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP]](s1), %bb.3
  ; CHECK-NEXT:   G_BR %bb.4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.6.entry:
  ; CHECK-NEXT:   successors:
  ; CHECK: bb.2.sw.epilog.i:
  ; CHECK-NEXT:   successors:
  ; CHECK: bb.3.if.end:
  ; CHECK-NEXT:   successors: %bb.4(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[LOAD:%[0-9]+]]:_(p0) = G_LOAD [[DEF1]](p0) :: (load (p0) from `i8** undef`)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4.return:
  ; CHECK-NEXT:   [[PHI:%[0-9]+]]:_(s1) = G_PHI [[C]](s1), %bb.3, [[C1]](s1), %bb.5
  ; CHECK-NEXT:   RET_ReallyLR
entry:
  switch i32 undef, label %sw.epilog.i [
    i32 4, label %return
    i32 2, label %return
    i32 10, label %return
    i32 9, label %return
    i32 1, label %if.end
    i32 3, label %if.end
    i32 5, label %if.end
    i32 0, label %if.end
    i32 6, label %if.end
    i32 7, label %if.end
    i32 8, label %if.end
  ]

sw.epilog.i:                                      ; preds = %entry
  unreachable

if.end:                                           ; preds = %entry, %entry, %entry, %entry, %entry, %entry, %entry
  %0 = load i8*, i8** undef, align 8
  br label %return

return:                                           ; preds = %if.end, %entry, %entry, %entry, %entry
  %retval.0 = phi i1 [ false, %if.end ], [ true, %entry ], [ true, %entry ], [ true, %entry ], [ true, %entry ]
  ret void
}

define i32 @test_odd_type(i328 %p) {
  ; CHECK-LABEL: name: test_odd_type
  ; CHECK: bb.1 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.4(0x1b6db6db), %bb.5(0x64924925)
  ; CHECK-NEXT:   liveins: $x0, $x1, $x2, $x3, $x4, $x5
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:_(s64) = COPY $x0
  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:_(s64) = COPY $x4
  ; CHECK-NEXT:   [[COPY5:%[0-9]+]]:_(s64) = COPY $x5
  ; CHECK-NEXT:   [[MV:%[0-9]+]]:_(s384) = G_MERGE_VALUES [[COPY]](s64), [[COPY1]](s64), [[COPY2]](s64), [[COPY3]](s64), [[COPY4]](s64), [[COPY5]](s64)
  ; CHECK-NEXT:   [[TRUNC:%[0-9]+]]:_(s328) = G_TRUNC [[MV]](s384)
  ; CHECK-NEXT:   [[C:%[0-9]+]]:_(s328) = G_CONSTANT i328 114
  ; CHECK-NEXT:   [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
  ; CHECK-NEXT:   [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[C3:%[0-9]+]]:_(s328) = G_CONSTANT i328 0
  ; CHECK-NEXT:   [[SUB:%[0-9]+]]:_(s328) = G_SUB [[TRUNC]], [[C3]]
  ; CHECK-NEXT:   [[TRUNC1:%[0-9]+]]:_(s64) = G_TRUNC [[SUB]](s328)
  ; CHECK-NEXT:   [[C4:%[0-9]+]]:_(s328) = G_CONSTANT i328 59
  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB]](s328), [[C4]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP]](s1), %bb.4
  ; CHECK-NEXT:   G_BR %bb.5
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.3(0x40000000), %bb.2(0x40000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[TRUNC]](s328), [[C]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP1]](s1), %bb.3
  ; CHECK-NEXT:   G_BR %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.3(0x745d1746), %bb.4(0x0ba2e8ba)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
  ; CHECK-NEXT:   [[SHL:%[0-9]+]]:_(s64) = G_SHL [[C5]], [[TRUNC1]](s64)
  ; CHECK-NEXT:   [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 866239240827043840
  ; CHECK-NEXT:   [[AND:%[0-9]+]]:_(s64) = G_AND [[SHL]], [[C6]]
  ; CHECK-NEXT:   [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
  ; CHECK-NEXT:   [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND]](s64), [[C7]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP2]](s1), %bb.3
  ; CHECK-NEXT:   G_BR %bb.4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.sw.epilog:
  ; CHECK-NEXT:   $w0 = COPY [[C2]](s32)
  ; CHECK-NEXT:   RET_ReallyLR implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3.cb1:
  ; CHECK-NEXT:   $w0 = COPY [[C1]](s32)
  ; CHECK-NEXT:   RET_ReallyLR implicit $w0
  switch i328 %p, label %sw.epilog [
    i328 58, label %cb1
    i328 59, label %cb1
    i328 47, label %cb1
    i328 48, label %cb1
    i328 50, label %cb1
    i328 114, label %cb1
  ]
sw.epilog:
  ret i32 0
cb1:
  ret i32 42
}

define i32 @test_large_pow2_type(i256 %p) {
  ; CHECK-LABEL: name: test_large_pow2_type
  ; CHECK: bb.1 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.4(0x1b6db6db), %bb.5(0x64924925)
  ; CHECK-NEXT:   liveins: $x0, $x1, $x2, $x3
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:_(s64) = COPY $x0
  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
  ; CHECK-NEXT:   [[MV:%[0-9]+]]:_(s256) = G_MERGE_VALUES [[COPY]](s64), [[COPY1]](s64), [[COPY2]](s64), [[COPY3]](s64)
  ; CHECK-NEXT:   [[C:%[0-9]+]]:_(s256) = G_CONSTANT i256 114
  ; CHECK-NEXT:   [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
  ; CHECK-NEXT:   [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
  ; CHECK-NEXT:   [[C3:%[0-9]+]]:_(s256) = G_CONSTANT i256 0
  ; CHECK-NEXT:   [[SUB:%[0-9]+]]:_(s256) = G_SUB [[MV]], [[C3]]
  ; CHECK-NEXT:   [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[SUB]](s256)
  ; CHECK-NEXT:   [[C4:%[0-9]+]]:_(s256) = G_CONSTANT i256 59
  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB]](s256), [[C4]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP]](s1), %bb.4
  ; CHECK-NEXT:   G_BR %bb.5
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.3(0x40000000), %bb.2(0x40000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[MV]](s256), [[C]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP1]](s1), %bb.3
  ; CHECK-NEXT:   G_BR %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5 (%ir-block.0):
  ; CHECK-NEXT:   successors: %bb.3(0x745d1746), %bb.4(0x0ba2e8ba)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
  ; CHECK-NEXT:   [[SHL:%[0-9]+]]:_(s64) = G_SHL [[C5]], [[TRUNC]](s64)
  ; CHECK-NEXT:   [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 866239240827043840
  ; CHECK-NEXT:   [[AND:%[0-9]+]]:_(s64) = G_AND [[SHL]], [[C6]]
  ; CHECK-NEXT:   [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
  ; CHECK-NEXT:   [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND]](s64), [[C7]]
  ; CHECK-NEXT:   G_BRCOND [[ICMP2]](s1), %bb.3
  ; CHECK-NEXT:   G_BR %bb.4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.sw.epilog:
  ; CHECK-NEXT:   $w0 = COPY [[C2]](s32)
  ; CHECK-NEXT:   RET_ReallyLR implicit $w0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3.cb1:
  ; CHECK-NEXT:   $w0 = COPY [[C1]](s32)
  ; CHECK-NEXT:   RET_ReallyLR implicit $w0
  switch i256 %p, label %sw.epilog [
    i256 58, label %cb1
    i256 59, label %cb1
    i256 47, label %cb1
    i256 48, label %cb1
    i256 50, label %cb1
    i256 114, label %cb1
  ]
sw.epilog:
  ret i32 0
cb1:
  ret i32 42
}