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
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
|
; RUN: llc -mtriple=arm64ec-pc-windows-msvc < %s | FileCheck %s
declare void @no_op() nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$v$v;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$v$v
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: stp x29, x30, [sp, #32] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add x29, sp, #32
; CHECK-NEXT: .seh_add_fp 32
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: blr x16
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #32] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#no_op$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#no_op$exit_thunk"
; CHECK: .weak_anti_dep no_op
; CHECK: .weak_anti_dep "#no_op"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, no_op
; CHECK-NEXT: add x11, x11, :lo12:no_op
; CHECK-NEXT: ldr x8, [x8, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$v$v
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$v$v
; CHECK-NEXT: blr x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
declare i64 @simple_integers(i8, i16, i32, i64) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$i8$i8i8i8i8;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$i8$i8i8i8i8
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: stp x29, x30, [sp, #32] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add x29, sp, #32
; CHECK-NEXT: .seh_add_fp 32
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: blr x16
; CHECK-NEXT: mov x0, x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #32] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#simple_integers$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#simple_integers$exit_thunk"
; CHECK: .weak_anti_dep simple_integers
; CHECK: .weak_anti_dep "#simple_integers"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, simple_integers
; CHECK-NEXT: add x11, x11, :lo12:simple_integers
; CHECK-NEXT: ldr x8, [x8, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$i8$i8i8i8i8
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$i8$i8i8i8i8
; CHECK-NEXT: blr x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; NOTE: Only float and double are supported.
declare double @simple_floats(float, double) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$d$fd;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$d$fd
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: stp x29, x30, [sp, #32] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add x29, sp, #32
; CHECK-NEXT: .seh_add_fp 32
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: blr x16
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #32] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#simple_floats$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#simple_floats$exit_thunk"
; CHECK: .weak_anti_dep simple_floats
; CHECK: .weak_anti_dep "#simple_floats"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, simple_floats
; CHECK-NEXT: add x11, x11, :lo12:simple_floats
; CHECK-NEXT: ldr x8, [x8, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$d$fd
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$d$fd
; CHECK-NEXT: blr x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
declare void @has_varargs(...) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$v$varargs;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$v$varargs
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #64
; CHECK-NEXT: .seh_stackalloc 64
; CHECK-NEXT: stp x29, x30, [sp, #48] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 48
; CHECK-NEXT: add x29, sp, #48
; CHECK-NEXT: .seh_add_fp 48
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: stp x4, x5, [sp, #32]
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: blr x16
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #48] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 48
; CHECK-NEXT: add sp, sp, #64
; CHECK-NEXT: .seh_stackalloc 64
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#has_varargs$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#has_varargs$exit_thunk"
; CHECK: .weak_anti_dep has_varargs
; CHECK: .weak_anti_dep "#has_varargs"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, has_varargs
; CHECK-NEXT: add x11, x11, :lo12:has_varargs
; CHECK-NEXT: ldr x8, [x8, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$v$varargs
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$v$varargs
; CHECK-NEXT: blr x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
declare void @has_sret(ptr sret([100 x i8])) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$m100$v;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$m100$v
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: stp x29, x30, [sp, #32] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add x29, sp, #32
; CHECK-NEXT: .seh_add_fp 32
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: mov x0, x8
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: blr x16
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #32] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#has_sret$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#has_sret$exit_thunk"
; CHECK: .weak_anti_dep has_sret
; CHECK: .weak_anti_dep "#has_sret"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x9, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, has_sret
; CHECK-NEXT: add x11, x11, :lo12:has_sret
; CHECK-NEXT: ldr x9, [x9, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$m100$v
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$m100$v
; CHECK-NEXT: blr x9
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
%TSRet = type { i64, i64 }
declare void @has_aligned_sret(ptr align 32 sret(%TSRet)) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$m16$v;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$m16$v
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: stp x29, x30, [sp, #32] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add x29, sp, #32
; CHECK-NEXT: .seh_add_fp 32
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: mov x0, x8
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: blr x16
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #32] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 32
; CHECK-NEXT: add sp, sp, #48
; CHECK-NEXT: .seh_stackalloc 48
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#has_aligned_sret$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#has_aligned_sret$exit_thunk"
; CHECK: .weak_anti_dep has_aligned_sret
; CHECK: .weak_anti_dep "#has_aligned_sret"
; CHECK: // %bb.0:
; CHECK: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK: .seh_save_reg_x x30, 16
; CHECK: .seh_endprologue
; CHECK: adrp x9, __os_arm64x_check_icall
; CHECK: adrp x11, has_aligned_sret
; CHECK: add x11, x11, :lo12:has_aligned_sret
; CHECK: ldr x9, [x9, :lo12:__os_arm64x_check_icall]
; CHECK: adrp x10, $iexit_thunk$cdecl$m16$v
; CHECK: add x10, x10, :lo12:$iexit_thunk$cdecl$m16$v
; CHECK: blr x9
; CHECK: .seh_startepilogue
; CHECK: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK: .seh_save_reg_x x30, 16
; CHECK: .seh_endepilogue
; CHECK: br x11
; CHECK: .seh_endfunclet
; CHECK: .seh_endproc
declare [2 x i8] @small_array([2 x i8], [2 x float]) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$m2$m2F8;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$m2$m2F8
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #64
; CHECK-NEXT: .seh_stackalloc 64
; CHECK-NEXT: stp x29, x30, [sp, #48] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 48
; CHECK-NEXT: add x29, sp, #48
; CHECK-NEXT: .seh_add_fp 48
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: sturb w1, [x29, #-1]
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: sturb w0, [x29, #-2]
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: stp s0, s1, [x29, #-12]
; CHECK-NEXT: ldurh w0, [x29, #-2]
; CHECK-NEXT: ldur x1, [x29, #-12]
; CHECK-NEXT: blr x16
; CHECK-NEXT: mov w0, w8
; CHECK-NEXT: sturh w8, [x29, #-14]
; CHECK-NEXT: ubfx w1, w8, #8, #8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #48] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 48
; CHECK-NEXT: add sp, sp, #64
; CHECK-NEXT: .seh_stackalloc 64
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#small_array$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#small_array$exit_thunk"
; CHECK: .weak_anti_dep small_array
; CHECK: .weak_anti_dep "#small_array"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, small_array
; CHECK-NEXT: add x11, x11, :lo12:small_array
; CHECK-NEXT: ldr x8, [x8, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$m2$m2F8
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$m2$m2F8
; CHECK-NEXT: blr x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
declare [3 x i64] @large_array([3 x i64], [2 x double], [2 x [2 x i64]]) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$m24$m24D16m32;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$m24$m24D16m32
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #144
; CHECK-NEXT: .seh_stackalloc 144
; CHECK-NEXT: stp x29, x30, [sp, #128] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 128
; CHECK-NEXT: add x29, sp, #128
; CHECK-NEXT: .seh_add_fp 128
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: stp x0, x1, [x29, #-48]
; CHECK-NEXT: sub x0, x29, #24
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: stur x2, [x29, #-32]
; CHECK-NEXT: sub x1, x29, #48
; CHECK-NEXT: stp x3, x4, [sp, #32]
; CHECK-NEXT: add x2, sp, #64
; CHECK-NEXT: add x3, sp, #32
; CHECK-NEXT: stp d0, d1, [sp, #64]
; CHECK-NEXT: stp x5, x6, [sp, #48]
; CHECK-NEXT: blr x16
; CHECK-NEXT: ldp x0, x1, [x29, #-24]
; CHECK-NEXT: ldur x2, [x29, #-8]
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #128] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 128
; CHECK-NEXT: add sp, sp, #144
; CHECK-NEXT: .seh_stackalloc 144
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#large_array$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#large_array$exit_thunk"
; CHECK: .weak_anti_dep large_array
; CHECK: .weak_anti_dep "#large_array"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, large_array
; CHECK-NEXT: add x11, x11, :lo12:large_array
; CHECK-NEXT: ldr x8, [x8, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$m24$m24D16m32
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$m24$m24D16m32
; CHECK-NEXT: blr x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
%T1 = type { i16 }
%T2 = type { i32, float }
%T3 = type { i64, double }
%T4 = type { i64, double, i8 }
declare %T2 @simple_struct(%T1, %T2, %T3, %T4) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$m8$i8m8m16m24;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$m8$i8m8m16m24
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #112
; CHECK-NEXT: .seh_stackalloc 112
; CHECK-NEXT: stp x29, x30, [sp, #96] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 96
; CHECK-NEXT: add x29, sp, #96
; CHECK-NEXT: .seh_add_fp 96
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: stur w1, [x29, #-8]
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: stur s0, [x29, #-4]
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: ldur x1, [x29, #-8]
; CHECK-NEXT: stur x2, [x29, #-24]
; CHECK-NEXT: sub x2, x29, #24
; CHECK-NEXT: str x3, [sp, #48]
; CHECK-NEXT: add x3, sp, #48
; CHECK-NEXT: stur d1, [x29, #-16]
; CHECK-NEXT: str d2, [sp, #56]
; CHECK-NEXT: strb w4, [sp, #64]
; CHECK-NEXT: blr x16
; CHECK-NEXT: str x8, [sp, #40]
; CHECK-NEXT: mov x0, x8
; CHECK-NEXT: ldr s0, [sp, #44]
; CHECK-NEXT: // kill: def $w0 killed $w0 killed $x0
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #96] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 96
; CHECK-NEXT: add sp, sp, #112
; CHECK-NEXT: .seh_stackalloc 112
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#simple_struct$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#simple_struct$exit_thunk"
; CHECK: .weak_anti_dep simple_struct
; CHECK: .weak_anti_dep "#simple_struct"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, simple_struct
; CHECK-NEXT: add x11, x11, :lo12:simple_struct
; CHECK-NEXT: ldr x8, [x8, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$m8$i8m8m16m24
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$m8$i8m8m16m24
; CHECK-NEXT: blr x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
declare <4 x i8> @small_vector(<4 x i8> %0) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$m$m;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$m$m
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #64
; CHECK-NEXT: .seh_stackalloc 64
; CHECK-NEXT: stp x29, x30, [sp, #48] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 48
; CHECK-NEXT: add x29, sp, #48
; CHECK-NEXT: .seh_add_fp 48
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: uzp1 v0.8b, v0.8b, v0.8b
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: fmov w0, s0
; CHECK-NEXT: stur s0, [x29, #-4]
; CHECK-NEXT: blr x16
; CHECK-NEXT: stur w8, [x29, #-8]
; CHECK-NEXT: ldur s0, [x29, #-8]
; CHECK-NEXT: ushll v0.8h, v0.8b, #0
; CHECK-NEXT: // kill: def $d0 killed $d0 killed $q0
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #48] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 48
; CHECK-NEXT: add sp, sp, #64
; CHECK-NEXT: .seh_stackalloc 64
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#small_vector$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#small_vector$exit_thunk"
; CHECK: .weak_anti_dep small_vector
; CHECK: .weak_anti_dep "#small_vector"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, small_vector
; CHECK-NEXT: add x11, x11, :lo12:small_vector
; CHECK-NEXT: ldr x8, [x8, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$m$m
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$m$m
; CHECK-NEXT: blr x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
declare <8 x i16> @large_vector(<8 x i16> %0) nounwind;
; CHECK-LABEL: .def $iexit_thunk$cdecl$m16$m16;
; CHECK: .section .wowthk$aa,"xr",discard,$iexit_thunk$cdecl$m16$m16
; CHECK: // %bb.0:
; CHECK-NEXT: sub sp, sp, #80
; CHECK-NEXT: .seh_stackalloc 80
; CHECK-NEXT: stp x29, x30, [sp, #64] // 16-byte Folded Spill
; CHECK-NEXT: .seh_save_fplr 64
; CHECK-NEXT: add x29, sp, #64
; CHECK-NEXT: .seh_add_fp 64
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_dispatch_call_no_redirect
; CHECK-NEXT: sub x0, x29, #16
; CHECK-NEXT: add x1, sp, #32
; CHECK-NEXT: ldr x16, [x8, :lo12:__os_arm64x_dispatch_call_no_redirect]
; CHECK-NEXT: str q0, [sp, #32]
; CHECK-NEXT: blr x16
; CHECK-NEXT: ldur q0, [x29, #-16]
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldp x29, x30, [sp, #64] // 16-byte Folded Reload
; CHECK-NEXT: .seh_save_fplr 64
; CHECK-NEXT: add sp, sp, #80
; CHECK-NEXT: .seh_stackalloc 80
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: ret
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .def "#large_vector$exit_thunk";
; CHECK: .section .wowthk$aa,"xr",discard,"#large_vector$exit_thunk"
; CHECK: .weak_anti_dep large_vector
; CHECK: .weak_anti_dep "#large_vector"
; CHECK: // %bb.0:
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: adrp x8, __os_arm64x_check_icall
; CHECK-NEXT: adrp x11, large_vector
; CHECK-NEXT: add x11, x11, :lo12:large_vector
; CHECK-NEXT: ldr x8, [x8, :lo12:__os_arm64x_check_icall]
; CHECK-NEXT: adrp x10, $iexit_thunk$cdecl$m16$m16
; CHECK-NEXT: add x10, x10, :lo12:$iexit_thunk$cdecl$m16$m16
; CHECK-NEXT: blr x8
; CHECK-NEXT: .seh_startepilogue
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: .seh_save_reg_x x30, 16
; CHECK-NEXT: .seh_endepilogue
; CHECK-NEXT: br x11
; CHECK-NEXT: .seh_endfunclet
; CHECK-NEXT: .seh_endproc
; CHECK-LABEL: .section .hybmp$x,"yi"
; CHECK-NEXT: .symidx "#func_caller"
; CHECK-NEXT: .symidx $ientry_thunk$cdecl$v$v
; CHECK-NEXT: .word 1
; CHECK-NEXT: .symidx no_op
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$v$v
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#no_op$exit_thunk"
; CHECK-NEXT: .symidx no_op
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx simple_integers
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$i8$i8i8i8i8
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#simple_integers$exit_thunk"
; CHECK-NEXT: .symidx simple_integers
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx simple_floats
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$d$fd
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#simple_floats$exit_thunk"
; CHECK-NEXT: .symidx simple_floats
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx has_varargs
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$v$varargs
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#has_varargs$exit_thunk"
; CHECK-NEXT: .symidx has_varargs
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx has_sret
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$m100$v
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#has_sret$exit_thunk"
; CHECK-NEXT: .symidx has_sret
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx has_aligned_sret
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$m16$v
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#has_aligned_sret$exit_thunk"
; CHECK-NEXT: .symidx has_aligned_sret
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx small_array
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$m2$m2F8
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#small_array$exit_thunk"
; CHECK-NEXT: .symidx small_array
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx large_array
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$m24$m24D16m32
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#large_array$exit_thunk"
; CHECK-NEXT: .symidx large_array
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx simple_struct
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$m8$i8m8m16m24
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#simple_struct$exit_thunk"
; CHECK-NEXT: .symidx simple_struct
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx small_vector
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$m$m
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#small_vector$exit_thunk"
; CHECK-NEXT: .symidx small_vector
; CHECK-NEXT: .word 0
; CHECK-NEXT: .symidx large_vector
; CHECK-NEXT: .symidx $iexit_thunk$cdecl$m16$m16
; CHECK-NEXT: .word 4
; CHECK-NEXT: .symidx "#large_vector$exit_thunk"
; CHECK-NEXT: .symidx large_vector
; CHECK-NEXT: .word 0
define void @func_caller() nounwind {
call void @no_op()
call i64 @simple_integers(i8 0, i16 0, i32 0, i64 0)
call double @simple_floats(float 0.0, double 0.0)
call void (...) @has_varargs()
%c = alloca i8
call void @has_sret(ptr sret([100 x i8]) %c)
%aligned = alloca %TSRet, align 32
store %TSRet { i64 0, i64 0 }, ptr %aligned, align 32
call void @has_aligned_sret(ptr align 32 sret(%TSRet) %aligned)
call [2 x i8] @small_array([2 x i8] [i8 0, i8 0], [2 x float] [float 0.0, float 0.0])
call [3 x i64] @large_array([3 x i64] [i64 0, i64 0, i64 0], [2 x double] [double 0.0, double 0.0], [2 x [2 x i64]] [[2 x i64] [i64 0, i64 0], [2 x i64] [i64 0, i64 0]])
call %T2 @simple_struct(%T1 { i16 0 }, %T2 { i32 0, float 0.0 }, %T3 { i64 0, double 0.0 }, %T4 { i64 0, double 0.0, i8 0 })
call <4 x i8> @small_vector(<4 x i8> <i8 0, i8 0, i8 0, i8 0>)
call <8 x i16> @large_vector(<8 x i16> <i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>)
ret void
}
|
