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
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instsimplify < %s | FileCheck %s
define float @ldexp_f32_undef_undef() {
; CHECK-LABEL: @ldexp_f32_undef_undef(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%call = call float @llvm.ldexp.f32.i32(float undef, i32 undef)
ret float %call
}
define float @ldexp_f32_poison_undef() {
; CHECK-LABEL: @ldexp_f32_poison_undef(
; CHECK-NEXT: ret float poison
;
%call = call float @llvm.ldexp.f32.i32(float poison, i32 undef)
ret float %call
}
define float @ldexp_f32_undef_poison() {
; CHECK-LABEL: @ldexp_f32_undef_poison(
; CHECK-NEXT: ret float undef
;
%call = call float @llvm.ldexp.f32.i32(float undef, i32 poison)
ret float %call
}
define float @ldexp_f32_poison_poison() {
; CHECK-LABEL: @ldexp_f32_poison_poison(
; CHECK-NEXT: ret float poison
;
%call = call float @llvm.ldexp.f32.i32(float poison, i32 poison)
ret float %call
}
; If the exponent is 0, it doesn't matter if the first argument is
; constant or not.
define void @ldexp_f32_exp0(float %x) {
; CHECK-LABEL: @ldexp_f32_exp0(
; CHECK-NEXT: store volatile float [[X:%.*]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float [[X]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[ONE:%.*]] = call float @llvm.ldexp.f32.i32(float [[X]], i32 1)
; CHECK-NEXT: store volatile float [[ONE]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%zero = call float @llvm.ldexp.f32.i32(float %x, i32 0)
store volatile float %zero, ptr addrspace(1) undef
%undef = call float @llvm.ldexp.f32.i32(float %x, i32 undef)
store volatile float %undef, ptr addrspace(1) undef
%one = call float @llvm.ldexp.f32.i32(float %x, i32 1)
store volatile float %one, ptr addrspace(1) undef
ret void
}
define void @ldexp_v2f32_exp0(<2 x float> %x) {
; CHECK-LABEL: @ldexp_v2f32_exp0(
; CHECK-NEXT: store volatile <2 x float> [[X:%.*]], ptr addrspace(1) undef, align 8
; CHECK-NEXT: [[PART_UNDEF1:%.*]] = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> [[X]], <2 x i32> <i32 undef, i32 0>)
; CHECK-NEXT: store volatile <2 x float> [[PART_UNDEF1]], ptr addrspace(1) undef, align 8
; CHECK-NEXT: store volatile <2 x float> [[X]], ptr addrspace(1) undef, align 8
; CHECK-NEXT: ret void
;
%part.undef0 = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> %x, <2 x i32> <i32 0, i32 poison>)
store volatile <2 x float> %part.undef0, ptr addrspace(1) undef
%part.undef1 = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> %x, <2 x i32> <i32 undef, i32 0>)
store volatile <2 x float> %part.undef1, ptr addrspace(1) undef
%zero = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> %x, <2 x i32> zeroinitializer)
store volatile <2 x float> %zero, ptr addrspace(1) undef
ret void
}
; Test variable exponent but zero or undef value.
define void @ldexp_f32_val0(i32 %y) {
; CHECK-LABEL: @ldexp_f32_val0(
; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float -0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%zero = call float @llvm.ldexp.f32.i32(float 0.0, i32 %y)
store volatile float %zero, ptr addrspace(1) undef
%neg.zero = call float @llvm.ldexp.f32.i32(float -0.0, i32 %y)
store volatile float %neg.zero, ptr addrspace(1) undef
%undef = call float @llvm.ldexp.f32.i32(float undef, i32 %y)
store volatile float %undef, ptr addrspace(1) undef
ret void
}
define void @ldexp_f32_val_infinity(i32 %y) {
; CHECK-LABEL: @ldexp_f32_val_infinity(
; CHECK-NEXT: store volatile float 0x7FF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0xFFF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x7FF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0xFFF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%inf = call float @llvm.ldexp.f32.i32(float 0x7ff0000000000000, i32 %y)
store volatile float %inf, ptr addrspace(1) undef
%neg.inf = call float @llvm.ldexp.f32.i32(float 0xfff0000000000000, i32 %y)
store volatile float %neg.inf, ptr addrspace(1) undef
%inf.zero = call float @llvm.ldexp.f32.i32(float 0x7ff0000000000000, i32 0)
store volatile float %inf.zero, ptr addrspace(1) undef
%neg.inf.zero = call float @llvm.ldexp.f32.i32(float 0xfff0000000000000, i32 0)
store volatile float %neg.inf.zero, ptr addrspace(1) undef
ret void
}
; Signaling nan should be quieted.
; Technically this depends on the ieee_mode in the mode register.
define void @ldexp_f32_val_nan(i32 %y) {
; CHECK-LABEL: @ldexp_f32_val_nan(
; CHECK-NEXT: store volatile float 0x7FF8001000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0xFFF8000100000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x7FF8000020000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0xFFFFFFFFE0000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%plus.qnan = call float @llvm.ldexp.f32.i32(float 0x7ff0001000000000, i32 %y)
store volatile float %plus.qnan, ptr addrspace(1) undef
%neg.qnan = call float @llvm.ldexp.f32.i32(float 0xfff0000100000000, i32 %y)
store volatile float %neg.qnan, ptr addrspace(1) undef
%plus.snan = call float @llvm.ldexp.f32.i32(float 0x7FF0000020000000, i32 %y)
store volatile float %plus.snan, ptr addrspace(1) undef
%neg.snan = call float @llvm.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 %y)
store volatile float %neg.snan, ptr addrspace(1) undef
ret void
}
define void @ldexp_f32_val_nan_strictfp_maytrap(i32 %y) #0 {
; CHECK-LABEL: @ldexp_f32_val_nan_strictfp_maytrap(
; CHECK-NEXT: [[PLUS_QNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0001000000000, i32 [[Y:%.*]], metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0:[0-9]+]]
; CHECK-NEXT: store volatile float [[PLUS_QNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[NEG_QNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF0000100000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[NEG_QNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[PLUS_SNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[PLUS_SNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[NEG_SNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[NEG_SNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%plus.qnan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7ff0001000000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %plus.qnan, ptr addrspace(1) undef
%neg.qnan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xfff0000100000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %neg.qnan, ptr addrspace(1) undef
%plus.snan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %plus.snan, ptr addrspace(1) undef
%neg.snan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %neg.snan, ptr addrspace(1) undef
%undef = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %undef, ptr addrspace(1) undef
ret void
}
define void @ldexp_f32_val_nan_strictfp_strict(i32 %y) #0 {
; CHECK-LABEL: @ldexp_f32_val_nan_strictfp_strict(
; CHECK-NEXT: [[PLUS_QNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0001000000000, i32 [[Y:%.*]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[PLUS_QNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[NEG_QNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF0000100000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[NEG_QNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[PLUS_SNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[PLUS_SNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[NEG_SNAN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[NEG_SNAN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[UNDEF:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 [[Y]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR0]]
; CHECK-NEXT: store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%plus.qnan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7ff0001000000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
store volatile float %plus.qnan, ptr addrspace(1) undef
%neg.qnan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xfff0000100000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
store volatile float %neg.qnan, ptr addrspace(1) undef
%plus.snan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
store volatile float %plus.snan, ptr addrspace(1) undef
%neg.snan = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0xFFF7FFFFE0000000, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
store volatile float %neg.snan, ptr addrspace(1) undef
%undef = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
store volatile float %undef, ptr addrspace(1) undef
ret void
}
define void @ldexp_f32_0() {
; CHECK-LABEL: @ldexp_f32_0(
; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float -0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%zero = call float @llvm.ldexp.f32.i32(float 0.0, i32 0)
store volatile float %zero, ptr addrspace(1) undef
%neg.zero = call float @llvm.ldexp.f32.i32(float -0.0, i32 0)
store volatile float %neg.zero, ptr addrspace(1) undef
%one = call float @llvm.ldexp.f32.i32(float 0.0, i32 1)
store volatile float %one, ptr addrspace(1) undef
%min.exp = call float @llvm.ldexp.f32.i32(float 0.0, i32 -126)
store volatile float %min.exp, ptr addrspace(1) undef
%min.exp.sub1 = call float @llvm.ldexp.f32.i32(float 0.0, i32 -127)
store volatile float %min.exp.sub1, ptr addrspace(1) undef
%max.exp = call float @llvm.ldexp.f32.i32(float 0.0, i32 127)
store volatile float %max.exp, ptr addrspace(1) undef
%max.exp.plus1 = call float @llvm.ldexp.f32.i32(float 0.0, i32 128)
store volatile float %max.exp.plus1, ptr addrspace(1) undef
ret void
}
define void @ldexp_f32_undef_strictfp(float %x, i32 %y) #0 {
; CHECK-LABEL: @ldexp_f32_undef_strictfp(
; CHECK-NEXT: [[UNDEF_EXP:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float [[X:%.*]], i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[UNDEF_EXP]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float [[X]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x7FF8000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float poison, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float poison, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float undef, ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%undef.exp = call float @llvm.experimental.constrained.ldexp.f32.i32(float %x, i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %undef.exp, ptr addrspace(1) undef
%poison.exp = call float @llvm.experimental.constrained.ldexp.f32.i32(float %x, i32 poison, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %poison.exp, ptr addrspace(1) undef
%undef.val = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %undef.val, ptr addrspace(1) undef
%poison.val = call float @llvm.experimental.constrained.ldexp.f32.i32(float poison, i32 %y, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %poison.val, ptr addrspace(1) undef
%poison.undef = call float @llvm.experimental.constrained.ldexp.f32.i32(float poison, i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %poison.undef, ptr addrspace(1) undef
%undef.poison = call float @llvm.experimental.constrained.ldexp.f32.i32(float undef, i32 poison, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %undef.poison, ptr addrspace(1) undef
ret void
}
; Should be able to ignore strictfp in this case
define void @ldexp_f32_0_strictfp(float %x) #0 {
; CHECK-LABEL: @ldexp_f32_0_strictfp(
; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float -0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[UNKNOWN_ZERO:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float [[X:%.*]], i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[UNKNOWN_ZERO]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[UNKNOWN_UNDEF:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float [[X]], i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[UNKNOWN_UNDEF]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[DENORMAL_0:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[DENORMAL_0]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[DENORMAL_1:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 1, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[DENORMAL_1]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%zero = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0.0, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %zero, ptr addrspace(1) undef
%neg.zero = call float @llvm.experimental.constrained.ldexp.f32.i32(float -0.0, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %neg.zero, ptr addrspace(1) undef
%one = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0.0, i32 1, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %one, ptr addrspace(1) undef
%unknown.zero = call float @llvm.experimental.constrained.ldexp.f32.i32(float %x, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %unknown.zero, ptr addrspace(1) undef
%unknown.undef = call float @llvm.experimental.constrained.ldexp.f32.i32(float %x, i32 undef, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %unknown.undef, ptr addrspace(1) undef
%denormal.0 = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 0, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %denormal.0, ptr addrspace(1) undef
%denormal.1 = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 1, metadata !"round.dynamic", metadata !"fpexcept.maytrap") #0
store volatile float %denormal.1, ptr addrspace(1) undef
ret void
}
define void @ldexp_f32() {
; CHECK-LABEL: @ldexp_f32(
; CHECK-NEXT: store volatile float 2.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 4.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 8.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 5.000000e-01, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x3810000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x3800000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x47E0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x7FF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float -2.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float -4.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float -8.000000e+00, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float -5.000000e-01, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0xB810000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0xB800000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0xC7E0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0xFFF0000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x44D5000000000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%one.one = call float @llvm.ldexp.f32.i32(float 1.0, i32 1)
store volatile float %one.one, ptr addrspace(1) undef
%one.two = call float @llvm.ldexp.f32.i32(float 1.0, i32 2)
store volatile float %one.two, ptr addrspace(1) undef
%one.three = call float @llvm.ldexp.f32.i32(float 1.0, i32 3)
store volatile float %one.three, ptr addrspace(1) undef
%one.negone = call float @llvm.ldexp.f32.i32(float 1.0, i32 -1)
store volatile float %one.negone, ptr addrspace(1) undef
%one.min.exp = call float @llvm.ldexp.f32.i32(float 1.0, i32 -126)
store volatile float %one.min.exp, ptr addrspace(1) undef
%one.min.exp.sub1 = call float @llvm.ldexp.f32.i32(float 1.0, i32 -127)
store volatile float %one.min.exp.sub1, ptr addrspace(1) undef
%one.max.exp = call float @llvm.ldexp.f32.i32(float 1.0, i32 127)
store volatile float %one.max.exp, ptr addrspace(1) undef
%one.max.exp.plus1 = call float @llvm.ldexp.f32.i32(float 1.0, i32 128)
store volatile float %one.max.exp.plus1, ptr addrspace(1) undef
%neg.one.one = call float @llvm.ldexp.f32.i32(float -1.0, i32 1)
store volatile float %neg.one.one, ptr addrspace(1) undef
%neg.one.two = call float @llvm.ldexp.f32.i32(float -1.0, i32 2)
store volatile float %neg.one.two, ptr addrspace(1) undef
%neg.one.three = call float @llvm.ldexp.f32.i32(float -1.0, i32 3)
store volatile float %neg.one.three, ptr addrspace(1) undef
%neg.one.negone = call float @llvm.ldexp.f32.i32(float -1.0, i32 -1)
store volatile float %neg.one.negone, ptr addrspace(1) undef
%neg.one.min.exp = call float @llvm.ldexp.f32.i32(float -1.0, i32 -126)
store volatile float %neg.one.min.exp, ptr addrspace(1) undef
%neg.one.min.exp.sub1 = call float @llvm.ldexp.f32.i32(float -1.0, i32 -127)
store volatile float %neg.one.min.exp.sub1, ptr addrspace(1) undef
%neg.one.max.exp = call float @llvm.ldexp.f32.i32(float -1.0, i32 127)
store volatile float %neg.one.max.exp, ptr addrspace(1) undef
%neg.one.max.exp.plus1 = call float @llvm.ldexp.f32.i32(float -1.0, i32 128)
store volatile float %neg.one.max.exp.plus1, ptr addrspace(1) undef
%fortytwo.seven = call float @llvm.ldexp.f32.i32(float 42.0, i32 73)
store volatile float %fortytwo.seven, ptr addrspace(1) undef
ret void
}
; Technically we should probably flush these depending on the expected
; denormal mode of the function, but no other IR constant folding
; considers this.
define void @ldexp_f32_denormal() {
; CHECK-LABEL: @ldexp_f32_denormal(
; CHECK-NEXT: store volatile float 0x380FFFFFC0000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: store volatile float 0x381FFFFFC0000000, ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%denormal.0 = call float @llvm.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 0)
store volatile float %denormal.0, ptr addrspace(1) undef
%denormal.1 = call float @llvm.ldexp.f32.i32(float 0x380FFFFFC0000000, i32 1)
store volatile float %denormal.1, ptr addrspace(1) undef
ret void
}
define void @ldexp_f64() {
; CHECK-LABEL: @ldexp_f64(
; CHECK-NEXT: store volatile double 2.000000e+00, ptr addrspace(1) undef, align 8
; CHECK-NEXT: store volatile double 4.000000e+00, ptr addrspace(1) undef, align 8
; CHECK-NEXT: store volatile double 0x44D5000000000000, ptr addrspace(1) undef, align 8
; CHECK-NEXT: ret void
;
%one.one = call double @llvm.ldexp.f64.i32(double 1.0, i32 1)
store volatile double %one.one, ptr addrspace(1) undef
%one.two = call double @llvm.ldexp.f64.i32(double 1.0, i32 2)
store volatile double %one.two, ptr addrspace(1) undef
%fortytwo.seven = call double @llvm.ldexp.f64.i32(double 42.0, i32 73)
store volatile double %fortytwo.seven, ptr addrspace(1) undef
ret void
}
define void @ldexp_f16() {
; CHECK-LABEL: @ldexp_f16(
; CHECK-NEXT: store volatile half 0xH4000, ptr addrspace(1) undef, align 2
; CHECK-NEXT: store volatile half 0xH4400, ptr addrspace(1) undef, align 2
; CHECK-NEXT: store volatile half 0xH7C00, ptr addrspace(1) undef, align 2
; CHECK-NEXT: ret void
;
%one.one = call half @llvm.ldexp.f16.i32(half 1.0, i32 1)
store volatile half %one.one, ptr addrspace(1) undef
%one.two = call half @llvm.ldexp.f16.i32(half 1.0, i32 2)
store volatile half %one.two, ptr addrspace(1) undef
%fortytwo.seven = call half @llvm.ldexp.f16.i32(half 42.0, i32 73)
store volatile half %fortytwo.seven, ptr addrspace(1) undef
ret void
}
define void @ldexp_ppcf128() {
; CHECK-LABEL: @ldexp_ppcf128(
; CHECK-NEXT: store volatile ppc_fp128 0xMFFF00000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT: store volatile ppc_fp128 0xMFFFC0000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT: store volatile ppc_fp128 0xM3FD00000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT: store volatile ppc_fp128 0xM41700000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT: store volatile ppc_fp128 0xMC0700000000000000000000000000000, ptr addrspace(1) undef, align 16
; CHECK-NEXT: ret void
;
%neginf = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xMFFF00000000000000000000000000000, i32 0)
store volatile ppc_fp128 %neginf, ptr addrspace(1) undef
%snan = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xMFFFC0000000000000000000000000000, i32 0)
store volatile ppc_fp128 %snan, ptr addrspace(1) undef
%one.neg2 = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xM3FF00000000000000000000000000000, i32 -2)
store volatile ppc_fp128 %one.neg2, ptr addrspace(1) undef
%one.24 = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xM3FF00000000000000000000000000000, i32 24)
store volatile ppc_fp128 %one.24, ptr addrspace(1) undef
%negone.8 = call ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128 0xMBFF00000000000000000000000000000, i32 8)
store volatile ppc_fp128 %negone.8, ptr addrspace(1) undef
ret void
}
define void @constant_fold_ldexp_f32_val_strictfp(i32 %y) #0 {
; CHECK-LABEL: @constant_fold_ldexp_f32_val_strictfp(
; CHECK-NEXT: [[SNAN_MAY_TRAP:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 3, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[SNAN_MAY_TRAP]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[SNAN_MAY_NOT_TRAP:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 3, metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[SNAN_MAY_NOT_TRAP]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[UNKNOWN_ROUNDING:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.500000e+00, i32 42, metadata !"round.dynamic", metadata !"fpexcept.ignore") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[UNKNOWN_ROUNDING]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[NORMAL:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.500000e+00, i32 42, metadata !"round.tonearest", metadata !"fpexcept.ignore") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[NORMAL]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: [[NORMAL_DOWN:%.*]] = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.500000e+00, i32 42, metadata !"round.downward", metadata !"fpexcept.ignore") #[[ATTR0]]
; CHECK-NEXT: store volatile float [[NORMAL_DOWN]], ptr addrspace(1) undef, align 4
; CHECK-NEXT: ret void
;
%snan.may.trap = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 3, metadata !"round.tonearest", metadata !"fpexcept.maytrap") #0
store volatile float %snan.may.trap, ptr addrspace(1) undef
%snan.may.not.trap = call float @llvm.experimental.constrained.ldexp.f32.i32(float 0x7FF0000020000000, i32 3, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
store volatile float %snan.may.not.trap, ptr addrspace(1) undef
%unknown.rounding = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.5, i32 42, metadata !"round.dynamic", metadata !"fpexcept.ignore") #0
store volatile float %unknown.rounding, ptr addrspace(1) undef
%normal = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.5, i32 42, metadata !"round.tonearest", metadata !"fpexcept.ignore") #0
store volatile float %normal, ptr addrspace(1) undef
%normal.down = call float @llvm.experimental.constrained.ldexp.f32.i32(float 2.5, i32 42, metadata !"round.downward", metadata !"fpexcept.ignore") #0
store volatile float %normal.down, ptr addrspace(1) undef
ret void
}
declare half @llvm.ldexp.f16.i32(half, i32) #1
declare float @llvm.ldexp.f32.i32(float, i32) #1
declare double @llvm.ldexp.f64.i32(double, i32) #1
declare <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float>, <2 x i32>) #1
declare float @llvm.experimental.constrained.ldexp.f32.i32(float, i32, metadata, metadata) #1
declare ppc_fp128 @llvm.ldexp.ppcf128.i32(ppc_fp128, i32) #1
attributes #0 = { strictfp }
attributes #1 = { nounwind readnone speculatable }
|