llvm.org GIT mirror llvm / release_39 test / CodeGen / X86 / wineh-coreclr.ll
release_39

Tree @release_39 (Download .tar.gz)

wineh-coreclr.ll @release_39raw · history · blame

  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
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
; RUN: llc -mtriple=x86_64-pc-windows-coreclr -verify-machineinstrs < %s | FileCheck %s

declare void @ProcessCLRException()
declare void @f(i32)
declare void @g(i8 addrspace(1)*)
declare i8 addrspace(1)* @llvm.eh.exceptionpointer.p1i8(token)

; Simplified IR for pseudo-C# like the following:
; void test1() {
;   try {
;     f(1);
;     try {
;       f(2);
;     } catch (type1) {
;       f(3);
;     } catch (type2) {
;       f(4);
;       try {
;         f(5);
;       } fault {
;         f(6);
;       }
;     }
;   } finally {
;     f(7);
;   }
;   f(8);
; }
;
; CHECK-LABEL: test1:     # @test1
; CHECK-NEXT: [[test1_begin:.*func_begin.*]]:
define void @test1() personality i8* bitcast (void ()* @ProcessCLRException to i8*) {
entry:
; CHECK: # %entry
; CHECK: leaq [[FPOffset:[0-9]+]](%rsp), %rbp
; CHECK: .seh_endprologue
; CHECK: movq %rsp, [[PSPSymOffset:[0-9]+]](%rsp)
; CHECK: [[test1_before_f1:.+]]:
; CHECK-NEXT: movl $1, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f1:.+]]:
  invoke void @f(i32 1)
    to label %inner_try unwind label %finally
inner_try:
; CHECK: # %inner_try
; CHECK: [[test1_before_f2:.+]]:
; CHECK-NEXT: movl $2, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f2:.+]]:
  invoke void @f(i32 2)
    to label %finally.clone unwind label %exn.dispatch
exn.dispatch:
  %catchswitch = catchswitch within none [label %catch1, label %catch2] unwind label %finally
catch1:
  %catch.pad1 = catchpad within %catchswitch [i32 1]
; CHECK: .seh_proc [[test1_catch1:[^ ]+]]
; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
;                        ^ all funclets use the same frame size
; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
;                              ^ establisher frame pointer passed in rcx
; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
; CHECK: leaq [[FPOffset]](%rcx), %rbp
; CHECK: .seh_endprologue
; CHECK: movq %rdx, %rcx
;             ^ exception pointer passed in rdx
; CHECK-NEXT: callq g
  %exn1 = call i8 addrspace(1)* @llvm.eh.exceptionpointer.p1i8(token %catch.pad1)
  call void @g(i8 addrspace(1)* %exn1) [ "funclet"(token %catch.pad1) ]
; CHECK: [[test1_before_f3:.+]]:
; CHECK-NEXT: movl $3, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f3:.+]]:
  invoke void @f(i32 3) [ "funclet"(token %catch.pad1) ]
    to label %catch1.ret unwind label %finally
catch1.ret:
  catchret from %catch.pad1 to label %finally.clone
catch2:
  %catch.pad2 = catchpad within %catchswitch [i32 2]
; CHECK: .seh_proc [[test1_catch2:[^ ]+]]
; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
;                        ^ all funclets use the same frame size
; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
;                              ^ establisher frame pointer passed in rcx
; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
; CHECK: leaq [[FPOffset]](%rcx), %rbp
; CHECK: .seh_endprologue
; CHECK: movq %rdx, %rcx
;             ^ exception pointer passed in rdx
; CHECK-NEXT: callq g
  %exn2 = call i8 addrspace(1)* @llvm.eh.exceptionpointer.p1i8(token %catch.pad2)
  call void @g(i8 addrspace(1)* %exn2) [ "funclet"(token %catch.pad2) ]
; CHECK: [[test1_before_f4:.+]]:
; CHECK-NEXT: movl $4, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f4:.+]]:
  invoke void @f(i32 4) [ "funclet"(token %catch.pad2) ]
    to label %try_in_catch unwind label %finally
try_in_catch:
; CHECK: # %try_in_catch
; CHECK: [[test1_before_f5:.+]]:
; CHECK-NEXT: movl $5, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f5:.+]]:
  invoke void @f(i32 5) [ "funclet"(token %catch.pad2) ]
    to label %catch2.ret unwind label %fault
fault:
; CHECK: .seh_proc [[test1_fault:[^ ]+]]
  %fault.pad = cleanuppad within %catch.pad2 [i32 undef]
; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
;                        ^ all funclets use the same frame size
; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
;                              ^ establisher frame pointer passed in rcx
; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
; CHECK: leaq [[FPOffset]](%rcx), %rbp
; CHECK: .seh_endprologue
; CHECK: [[test1_before_f6:.+]]:
; CHECK-NEXT: movl $6, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test1_after_f6:.+]]:
  invoke void @f(i32 6) [ "funclet"(token %fault.pad) ]
    to label %fault.ret unwind label %finally
fault.ret:
  cleanupret from %fault.pad unwind label %finally
catch2.ret:
  catchret from %catch.pad2 to label %finally.clone
finally.clone:
  call void @f(i32 7)
  br label %tail
finally:
; CHECK: .seh_proc [[test1_finally:[^ ]+]]
  %finally.pad = cleanuppad within none []
; CHECK: .seh_stackalloc [[FuncletFrameSize:[0-9]+]]
;                        ^ all funclets use the same frame size
; CHECK: movq [[PSPSymOffset]](%rcx), %rcx
;                              ^ establisher frame pointer passed in rcx
; CHECK: movq %rcx, [[PSPSymOffset]](%rsp)
; CHECK: leaq [[FPOffset]](%rcx), %rbp
; CHECK: .seh_endprologue
; CHECK-NEXT: movl $7, %ecx
; CHECK-NEXT: callq f
  call void @f(i32 7) [ "funclet"(token %finally.pad) ]
  cleanupret from %finally.pad unwind to caller
tail:
  call void @f(i32 8)
  ret void
; CHECK: [[test1_end:.*func_end.*]]:
}

; Now check for EH table in xdata (following standard xdata)
; CHECK-LABEL: .section .xdata
; standard xdata comes here
; CHECK:      .long 4{{$}}
;                   ^ number of funclets
; CHECK-NEXT: .long [[test1_catch1]]-[[test1_begin]]
;                   ^ offset from L_begin to start of 1st funclet
; CHECK-NEXT: .long [[test1_catch2]]-[[test1_begin]]
;                   ^ offset from L_begin to start of 2nd funclet
; CHECK-NEXT: .long [[test1_fault]]-[[test1_begin]]
;                   ^ offset from L_begin to start of 3rd funclet
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
;                   ^ offset from L_begin to start of 4th funclet
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
;                   ^ offset from L_begin to end of last funclet
; CHECK-NEXT: .long 7
;                   ^ number of EH clauses
; Clause 1: call f(2) is guarded by catch1
; CHECK-NEXT: .long 0
;                   ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test1_before_f2]]-[[test1_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f2]]-[[test1_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test1_catch1]]-[[test1_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test1_catch2]]-[[test1_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 1
;                   ^ type token of catch (from catchpad)
; Clause 2: call f(2) is also guarded by catch2
; CHECK-NEXT: .long 0
;                   ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test1_before_f2]]-[[test1_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f2]]-[[test1_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test1_catch2]]-[[test1_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test1_fault]]-[[test1_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 2
;                   ^ type token of catch (from catchpad)
; Clause 3: calls f(1) and f(2) are guarded by finally
; CHECK-NEXT: .long 2
;                   ^ flags (2 => finally handler)
; CHECK-NEXT: .long ([[test1_before_f1]]-[[test1_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f2]]-[[test1_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for finally)
; Clause 4: call f(3) is guarded by finally
;           This is a "duplicate" because the protected range (f(3))
;           is in funclet catch1 but the finally's immediate parent
;           is the main function, not that funclet.
; CHECK-NEXT: .long 10
;                   ^ flags (2 => finally handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test1_before_f3]]-[[test1_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f3]]-[[test1_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for finally)
; Clause 5: call f(5) is guarded by fault
; CHECK-NEXT: .long 4
;                   ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test1_before_f5]]-[[test1_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f5]]-[[test1_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test1_fault]]-[[test1_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)
; Clause 6: calls f(4) and f(5) are guarded by finally
;           This is a "duplicate" because the protected range (f(4)-f(5))
;           is in funclet catch2 but the finally's immediate parent
;           is the main function, not that funclet.
; CHECK-NEXT: .long 10
;                   ^ flags (2 => finally handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test1_before_f4]]-[[test1_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f5]]-[[test1_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for finally)
; Clause 7: call f(6) is guarded by finally
;           This is a "duplicate" because the protected range (f(3))
;           is in funclet catch1 but the finally's immediate parent
;           is the main function, not that funclet.
; CHECK-NEXT: .long 10
;                   ^ flags (2 => finally handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test1_before_f6]]-[[test1_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test1_after_f6]]-[[test1_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test1_finally]]-[[test1_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test1_end]]-[[test1_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for finally)

; Test with a cleanup that has no cleanupret, and thus needs its unwind dest
; inferred from an inner catchswitch
;
; corresponds to C# along the lines of:
; void test2() {
;   try {
;     try {
;       f(1);
;     } fault {
;       try {
;         f(2);
;       } catch(type1) {
;       }
;       __unreachable();
;     }
;   } catch(type2) {
;   }
; }
;
; CHECK-LABEL: test2:     # @test2
; CHECK-NEXT: [[test2_begin:.*func_begin.*]]:
define void @test2() personality i8* bitcast (void ()* @ProcessCLRException to i8*) {
entry:
; CHECK: .seh_endprologue
; CHECK: [[test2_before_f1:.+]]:
; CHECK-NEXT: movl $1, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test2_after_f1:.+]]:
  invoke void @f(i32 1)
    to label %exit unwind label %fault
fault:
; CHECK: .seh_proc [[test2_fault:[^ ]+]]
  %fault.pad = cleanuppad within none [i32 undef]
; CHECK: .seh_endprologue
; CHECK: [[test2_before_f2:.+]]:
; CHECK-NEXT: movl $2, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test2_after_f2:.+]]:
  invoke void @f(i32 2) ["funclet"(token %fault.pad)]
    to label %unreachable unwind label %exn.dispatch.inner
exn.dispatch.inner:
  %catchswitch.inner = catchswitch within %fault.pad [label %catch1] unwind label %exn.dispatch.outer
catch1:
  %catch.pad1 = catchpad within %catchswitch.inner [i32 1]
; CHECK: .seh_proc [[test2_catch1:[^ ]+]]
  catchret from %catch.pad1 to label %unreachable
exn.dispatch.outer:
  %catchswitch.outer = catchswitch within none [label %catch2] unwind to caller
catch2:
  %catch.pad2 = catchpad within %catchswitch.outer [i32 2]
; CHECK: .seh_proc [[test2_catch2:[^ ]+]]
  catchret from %catch.pad2 to label %exit
exit:
  ret void
unreachable:
  unreachable
; CHECK: [[test2_end:.*func_end.*]]:
}

; Now check for EH table in xdata (following standard xdata)
; CHECK-LABEL: .section .xdata
; standard xdata comes here
; CHECK:      .long 3{{$}}
;                   ^ number of funclets
; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
;                   ^ offset from L_begin to start of 1st funclet
; CHECK-NEXT: .long [[test2_catch1]]-[[test2_begin]]
;                   ^ offset from L_begin to start of 2nd funclet
; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
;                   ^ offset from L_begin to start of 3rd funclet
; CHECK-NEXT: .long [[test2_end]]-[[test2_begin]]
;                   ^ offset from L_begin to end of last funclet
; CHECK-NEXT: .long 4
;                   ^ number of EH clauses
; Clause 1: call f(1) is guarded by fault
; CHECK-NEXT: .long 4
;                   ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test2_before_f1]]-[[test2_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test2_after_f1]]-[[test2_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test2_fault]]-[[test2_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test2_catch1]]-[[test2_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)
; Clause 2: call f(1) is also guarded by catch2
; CHECK-NEXT: .long 0
;                   ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test2_before_f1]]-[[test2_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test2_after_f1]]-[[test2_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test2_end]]-[[test2_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 2
;                   ^ type token of catch (from catchpad)
; Clause 3: calls f(2) is guarded by catch1
; CHECK-NEXT: .long 0
;                   ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test2_before_f2]]-[[test2_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test2_after_f2]]-[[test2_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test2_catch1]]-[[test2_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 1
;                   ^ type token of catch (from catchpad)
; Clause 4: call f(2) is also guarded by catch2
;           This is a "duplicate" because the protected range (f(2))
;           is in funclet fault but catch2's immediate parent
;           is the main function, not that funclet.
; CHECK-NEXT: .long 8
;                   ^ flags (0 => catch handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test2_before_f2]]-[[test2_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test2_after_f2]]-[[test2_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test2_catch2]]-[[test2_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test2_end]]-[[test2_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 2
;                   ^ type token of catch (from catchpad)

; Test with several cleanups that need to infer their unwind dests from each
; other, the inner one needing to make the inference from an invoke, ignoring
; not-really-unwinding calls/unwind-to-caller catchswitches, as well as some
; internal invokes/catchswitches
;
; Corresponds to something like:
; void test3() {
;   try {
;     f(1);
;   } fault { // fault1
;     try {
;       try {
;         f(2);
;         __unreachable();
;       } fault { // fault2
;         try {
;           f(3);
;         } fault { // fault3
;           try {
;             f(4);
;           } fault { // fault4
;             f(5); // no unwind edge (e.g. front-end knew it wouldn't throw but
;                    didn't bother to specify nounwind)
;             try {
;               try {
;                 f(6);
;               } catch(type 1) {
;                 goto __unreachable;
;               }
;             } catch (type 2) { // marked "unwinds to caller" because we allow
;                                // that if the unwind won't be taken (see
;                                // SimplifyUnreachable & RemoveUnwindEdge)
;               goto _unreachable;
;             }
;             f(7);
;             __unreachable();
;           }
;         }
;       }
;     } fault { // fault 5
;     }
;   }
; }
;
; CHECK-LABEL: test3:     # @test3
; CHECK-NEXT: [[test3_begin:.*func_begin.*]]:
define void @test3() personality i8* bitcast (void ()* @ProcessCLRException to i8*) {
entry:
; CHECK: .seh_endprologue
; CHECK: [[test3_before_f1:.+]]:
; CHECK-NEXT: movl $1, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f1:.+]]:
  invoke void @f(i32 1)
    to label %exit unwind label %fault1
fault1:
 ; check lines below since this gets reordered to end-of-func
  %fault.pad1 = cleanuppad within none [i32 undef]
  invoke void @f(i32 2) ["funclet"(token %fault.pad1)]
    to label %unreachable unwind label %fault2
fault2:
 ; check lines below since this gets reordered to end-of-func
  %fault.pad2 = cleanuppad within %fault.pad1 [i32 undef]
  invoke void @f(i32 3) ["funclet"(token %fault.pad2)]
    to label %unreachable unwind label %fault3
fault3:
 ; check lines below since this gets reordered to end-of-func
  %fault.pad3 = cleanuppad within %fault.pad2 [i32 undef]
  invoke void @f(i32 4) ["funclet"(token %fault.pad3)]
    to label %unreachable unwind label %fault4
fault4:
; CHECK: .seh_proc [[test3_fault4:[^ ]+]]
  %fault.pad4 = cleanuppad within %fault.pad3 [i32 undef]
; CHECK: .seh_endprologue
  call void @f(i32 5) ["funclet"(token %fault.pad4)]
; CHECK: [[test3_before_f6:.+]]:
; CHECK-NEXT: movl $6, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f6:.+]]:
  invoke void @f(i32 6) ["funclet"(token %fault.pad4)]
    to label %fault4.cont unwind label %exn.dispatch1
fault4.cont:
; CHECK: # %fault4.cont
; CHECK: [[test3_before_f7:.+]]:
; CHECK-NEXT: movl $7, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f7:.+]]:
  invoke void @f(i32 7) ["funclet"(token %fault.pad4)]
    to label %unreachable unwind label %fault5
exn.dispatch1:
  %catchswitch1 = catchswitch within %fault.pad4 [label %catch1] unwind label %exn.dispatch2
catch1:
  %catch.pad1 = catchpad within %catchswitch1 [i32 1]
; CHECK: .seh_proc [[test3_catch1:[^ ]+]]
  catchret from %catch.pad1 to label %unreachable
exn.dispatch2:
  %catchswitch2 = catchswitch within %fault.pad4 [label %catch2] unwind to caller
catch2:
  %catch.pad2 = catchpad within %catchswitch2 [i32 2]
; CHECK: .seh_proc [[test3_catch2:[^ ]+]]
  catchret from %catch.pad2 to label %unreachable
fault5:
; CHECK: .seh_proc [[test3_fault5:[^ ]+]]
  %fault.pad5 = cleanuppad within %fault.pad1 [i32 undef]
; CHECK: .seh_endprologue
cleanupret from %fault.pad5 unwind to caller
exit:
  ret void
unreachable:
  unreachable
; CHECK: .seh_proc [[test3_fault3:[^ ]+]]
; CHECK: # %fault3
; CHECK: .seh_endprologue
; CHECK: [[test3_before_f4:.+]]:
; CHECK-NEXT: movl $4, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f4:.+]]:
; CHECK: .seh_proc [[test3_fault2:[^ ]+]]
; CHECK: # %fault2
; CHECK: .seh_endprologue
; CHECK: [[test3_before_f3:.+]]:
; CHECK-NEXT: movl $3, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f3:.+]]:
; CHECK: .seh_proc [[test3_fault1:[^ ]+]]
; CHECK: # %fault1
; CHECK: .seh_endprologue
; CHECK: [[test3_before_f2:.+]]:
; CHECK-NEXT: movl $2, %ecx
; CHECK-NEXT: callq f
; CHECK-NEXT: [[test3_after_f2:.+]]:
; CHECK: [[test3_end:.*func_end.*]]:
}

; Now check for EH table in xdata (following standard xdata)
; CHECK-LABEL: .section .xdata
; standard xdata comes here
; CHECK:      .long 7{{$}}
;                   ^ number of funclets
; CHECK-NEXT: .long [[test3_fault4]]-[[test3_begin]]
;                   ^ offset from L_begin to start of 1st funclet
; CHECK-NEXT: .long [[test3_catch1]]-[[test3_begin]]
;                   ^ offset from L_begin to start of 2nd funclet
; CHECK-NEXT: .long [[test3_catch2]]-[[test3_begin]]
;                   ^ offset from L_begin to start of 3rd funclet
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
;                   ^ offset from L_begin to start of 4th funclet
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
;                   ^ offset from L_begin to start of 5th funclet
; CHECK-NEXT: .long [[test3_fault2]]-[[test3_begin]]
;                   ^ offset from L_begin to start of 6th funclet
; CHECK-NEXT: .long [[test3_fault1]]-[[test3_begin]]
;                   ^ offset from L_begin to start of 7th funclet
; CHECK-NEXT: .long [[test3_end]]-[[test3_begin]]
;                   ^ offset from L_begin to end of last funclet
; CHECK-NEXT: .long 10
;                   ^ number of EH clauses
; Clause 1: call f(1) is guarded by fault1
; CHECK-NEXT: .long 4
;                   ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f1]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f1]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault1]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_end]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)
; Clause 3: call f(6) is guarded by catch1
; CHECK-NEXT: .long 0
;                   ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test3_before_f6]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f6]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_catch1]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_catch2]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 1
;                   ^ type token of catch (from catchpad)
; Clause 3: call f(6) is also guarded by catch2
; CHECK-NEXT: .long 0
;                   ^ flags (0 => catch handler)
; CHECK-NEXT: .long ([[test3_before_f6]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f6]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_catch2]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 2
;                   ^ type token of catch (from catchpad)
; Clause 4: call f(7) is guarded by fault5
;           This is a "duplicate" because the protected range (f(6)-f(7))
;           is in funclet fault4 but fault5's immediate parent
;           is fault1, not that funclet.
; CHECK-NEXT: .long 12
;                   ^ flags (4 => fault handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test3_before_f7]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f7]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)
; Clause 5: call f(4) is guarded by fault4
; CHECK-NEXT: .long 4
;                   ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f4]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f4]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault4]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_catch1]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)
; Clause 6: call f(4) is also guarded by fault5
;           This is a "duplicate" because the protected range (f(4))
;           is in funclet fault3 but fault5's immediate parent
;           is fault1, not that funclet.
; CHECK-NEXT: .long 12
;                   ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f4]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f4]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)
; Clause 7: call f(3) is guarded by fault3
; CHECK-NEXT: .long 4
;                   ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f3]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f3]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault2]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)
; Clause 8: call f(3) is guarded by fault5
;           This is a "duplicate" because the protected range (f(3))
;           is in funclet fault2 but fault5's immediate parent
;           is fault1, not that funclet.
; CHECK-NEXT: .long 12
;                   ^ flags (4 => fault handler | 8 => duplicate)
; CHECK-NEXT: .long ([[test3_before_f3]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f3]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)
; Clause 9: call f(2) is guarded by fault2
; CHECK-NEXT: .long 4
;                   ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f2]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f2]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault2]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault1]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)
; Clause 10: call f(2) is guarded by fault5
; CHECK-NEXT: .long 4
;                   ^ flags (4 => fault handler)
; CHECK-NEXT: .long ([[test3_before_f2]]-[[test3_begin]])+1
;                   ^ offset of start of clause
; CHECK-NEXT: .long ([[test3_after_f2]]-[[test3_begin]])+1
;                   ^ offset of end of clause
; CHECK-NEXT: .long [[test3_fault5]]-[[test3_begin]]
;                   ^ offset of start of handler
; CHECK-NEXT: .long [[test3_fault3]]-[[test3_begin]]
;                   ^ offset of end of handler
; CHECK-NEXT: .long 0
;                   ^ type token slot (null for fault)