llvm/test/MC/AArch64/seh-packed-unwind.s

   1 // Check that we generate the packed unwind info format whe possible.
   2
   3 // For tests that don't generate packed unwind info, we still check that
   4 // the epilog was packed (so that the testcase otherwise had all other
   5 // preconditions for possibly making packed unwind info).
   6
   7 // REQUIRES: aarch64-registered-target
   8 // RUN: llvm-mc -filetype=obj -triple aarch64-windows %s -o %t.o
   9 // RUN: llvm-readobj --unwind %t.o | FileCheck %s
  10
  11 // CHECK:      UnwindInformation [
  12 // CHECK-NEXT:   RuntimeFunction {
  13 // CHECK-NEXT:     Function: func1
  14 // CHECK-NEXT:     Fragment: No
  15 // CHECK-NEXT:     FunctionLength: 88
  16 // CHECK-NEXT:     RegF: 7
  17 // CHECK-NEXT:     RegI: 10
  18 // CHECK-NEXT:     HomedParameters: No
  19 // CHECK-NEXT:     CR: 0
  20 // CHECK-NEXT:     FrameSize: 160
  21 // CHECK-NEXT:     Prologue [
  22 // CHECK-NEXT:       sub sp, sp, #16
  23 // CHECK-NEXT:       stp d14, d15, [sp, #128]
  24 // CHECK-NEXT:       stp d12, d13, [sp, #112]
  25 // CHECK-NEXT:       stp d10, d11, [sp, #96]
  26 // CHECK-NEXT:       stp d8, d9, [sp, #80]
  27 // CHECK-NEXT:       stp x27, x28, [sp, #64]
  28 // CHECK-NEXT:       stp x25, x26, [sp, #48]
  29 // CHECK-NEXT:       stp x23, x24, [sp, #32]
  30 // CHECK-NEXT:       stp x21, x22, [sp, #16]
  31 // CHECK-NEXT:       stp x19, x20, [sp, #-144]!
  32 // CHECK-NEXT:       end
  33 // CHECK-NEXT:     ]
  34 // CHECK-NEXT:   }
  35 // CHECK-NEXT:   RuntimeFunction {
  36 // CHECK-NEXT:     Function: func2
  37 // CHECK-NEXT:     Fragment: No
  38 // CHECK-NEXT:     FunctionLength: 48
  39 // CHECK-NEXT:     RegF: 2
  40 // CHECK-NEXT:     RegI: 3
  41 // CHECK-NEXT:     HomedParameters: No
  42 // CHECK-NEXT:     CR: 0
  43 // CHECK-NEXT:     FrameSize: 48
  44 // CHECK-NEXT:     Prologue [
  45 // CHECK-NEXT:       str d10, [sp, #40]
  46 // CHECK-NEXT:       stp d8, d9, [sp, #24]
  47 // CHECK-NEXT:       str x21, [sp, #16]
  48 // CHECK-NEXT:       stp x19, x20, [sp, #-48]!
  49 // CHECK-NEXT:       end
  50 // CHECK-NEXT:     ]
  51 // CHECK-NEXT:   }
  52 // CHECK-NEXT:   RuntimeFunction {
  53 // CHECK-NEXT:     Function: func3
  54 // CHECK-NEXT:     Fragment: No
  55 // CHECK-NEXT:     FunctionLength: 32
  56 // CHECK-NEXT:     RegF: 3
  57 // CHECK-NEXT:     RegI: 1
  58 // CHECK-NEXT:     HomedParameters: No
  59 // CHECK-NEXT:     CR: 0
  60 // CHECK-NEXT:     FrameSize: 48
  61 // CHECK-NEXT:     Prologue [
  62 // CHECK-NEXT:       stp d10, d11, [sp, #24]
  63 // CHECK-NEXT:       stp d8, d9, [sp, #8]
  64 // CHECK-NEXT:       str x19, [sp, #-48]!
  65 // CHECK-NEXT:       end
  66 // CHECK-NEXT:     ]
  67 // CHECK-NEXT:   }
  68 // CHECK-NEXT:   RuntimeFunction {
  69 // CHECK-NEXT:     Function: func4
  70 // CHECK-NEXT:     Fragment: No
  71 // CHECK-NEXT:     FunctionLength: 24
  72 // CHECK-NEXT:     RegF: 1
  73 // CHECK-NEXT:     RegI: 0
  74 // CHECK-NEXT:     HomedParameters: No
  75 // CHECK-NEXT:     CR: 0
  76 // CHECK-NEXT:     FrameSize: 48
  77 // CHECK-NEXT:     Prologue [
  78 // CHECK-NEXT:       sub sp, sp, #32
  79 // CHECK-NEXT:       stp d8, d9, [sp, #-16]!
  80 // CHECK-NEXT:       end
  81 // CHECK-NEXT:     ]
  82 // CHECK-NEXT:   }
  83 // CHECK-NEXT:   RuntimeFunction {
  84 // CHECK-NEXT:     Function: notpacked_func5
  85 // CHECK-NEXT:     ExceptionRecord:
  86 // CHECK-NEXT:     ExceptionData {
  87 // CHECK:        RuntimeFunction {
  88 // CHECK-NEXT:     Function: func6
  89 // CHECK-NEXT:     Fragment: No
  90 // CHECK-NEXT:     FunctionLength: 24
  91 // CHECK-NEXT:     RegF: 0
  92 // CHECK-NEXT:     RegI: 0
  93 // CHECK-NEXT:     HomedParameters: No
  94 // CHECK-NEXT:     CR: 1
  95 // CHECK-NEXT:     FrameSize: 32
  96 // CHECK-NEXT:     Prologue [
  97 // CHECK-NEXT:       sub sp, sp, #16
  98 // CHECK-NEXT:       str lr, [sp, #-16]!
  99 // CHECK-NEXT:       end
 100 // CHECK-NEXT:     ]
 101 // CHECK-NEXT:   }
 102 // CHECK-NEXT:   RuntimeFunction {
 103 // CHECK-NEXT:     Function: func7
 104 // CHECK-NEXT:     Fragment: No
 105 // CHECK-NEXT:     FunctionLength: 24
 106 // CHECK-NEXT:     RegF: 0
 107 // CHECK-NEXT:     RegI: 2
 108 // CHECK-NEXT:     HomedParameters: No
 109 // CHECK-NEXT:     CR: 1
 110 // CHECK-NEXT:     FrameSize: 32
 111 // CHECK-NEXT:     Prologue [
 112 // CHECK-NEXT:       str lr, [sp, #16]
 113 // CHECK-NEXT:       stp x19, x20, [sp, #-32]!
 114 // CHECK-NEXT:       end
 115 // CHECK-NEXT:     ]
 116 // CHECK-NEXT:   }
 117 // CHECK-NEXT:   RuntimeFunction {
 118 // CHECK-NEXT:     Function: func8
 119 // CHECK-NEXT:     Fragment: No
 120 // CHECK-NEXT:     FunctionLength: 32
 121 // CHECK-NEXT:     RegF: 0
 122 // CHECK-NEXT:     RegI: 3
 123 // CHECK-NEXT:     HomedParameters: No
 124 // CHECK-NEXT:     CR: 1
 125 // CHECK-NEXT:     FrameSize: 48
 126 // CHECK-NEXT:     Prologue [
 127 // CHECK-NEXT:       sub sp, sp, #16
 128 // CHECK-NEXT:       stp x21, lr, [sp, #16]
 129 // CHECK-NEXT:       stp x19, x20, [sp, #-32]!
 130 // CHECK-NEXT:       end
 131 // CHECK-NEXT:     ]
 132 // CHECK-NEXT:   }
 133 // CHECK-NEXT:   RuntimeFunction {
 134 // CHECK-NEXT:     Function: func9
 135 // CHECK-NEXT:     Fragment: No
 136 // CHECK-NEXT:     FunctionLength: 32
 137 // CHECK-NEXT:     RegF: 0
 138 // CHECK-NEXT:     RegI: 2
 139 // CHECK-NEXT:     HomedParameters: No
 140 // CHECK-NEXT:     CR: 3
 141 // CHECK-NEXT:     FrameSize: 48
 142 // CHECK-NEXT:     Prologue [
 143 // CHECK-NEXT:       mov x29, sp
 144 // CHECK-NEXT:       stp x29, lr, [sp, #-32]!
 145 // CHECK-NEXT:       stp x19, x20, [sp, #-16]!
 146 // CHECK-NEXT:       end
 147 // CHECK-NEXT:     ]
 148 // CHECK-NEXT:   }
 149 // CHECK-NEXT:   RuntimeFunction {
 150 // CHECK-NEXT:     Function: func10
 151 // CHECK-NEXT:     Fragment: No
 152 // CHECK-NEXT:     FunctionLength: 24
 153 // CHECK-NEXT:     RegF: 0
 154 // CHECK-NEXT:     RegI: 0
 155 // CHECK-NEXT:     HomedParameters: No
 156 // CHECK-NEXT:     CR: 3
 157 // CHECK-NEXT:     FrameSize: 32
 158 // CHECK-NEXT:     Prologue [
 159 // CHECK-NEXT:       mov x29, sp
 160 // CHECK-NEXT:       stp x29, lr, [sp, #-32]!
 161 // CHECK-NEXT:       end
 162 // CHECK-NEXT:     ]
 163 // CHECK-NEXT:   }
 164 // CHECK-NEXT:   RuntimeFunction {
 165 // CHECK-NEXT:     Function: func11
 166 // CHECK-NEXT:     Fragment: No
 167 // CHECK-NEXT:     FunctionLength: 40
 168 // CHECK-NEXT:     RegF: 0
 169 // CHECK-NEXT:     RegI: 2
 170 // CHECK-NEXT:     HomedParameters: No
 171 // CHECK-NEXT:     CR: 3
 172 // CHECK-NEXT:     FrameSize: 544
 173 // CHECK-NEXT:     Prologue [
 174 // CHECK-NEXT:       mov x29, sp
 175 // CHECK-NEXT:       stp x29, lr, [sp, #0]
 176 // CHECK-NEXT:       sub sp, sp, #528
 177 // CHECK-NEXT:       stp x19, x20, [sp, #-16]!
 178 // CHECK-NEXT:       end
 179 // CHECK-NEXT:     ]
 180 // CHECK-NEXT:   }
 181 // CHECK-NEXT:   RuntimeFunction {
 182 // CHECK-NEXT:     Function: func12
 183 // CHECK-NEXT:     Fragment: No
 184 // CHECK-NEXT:     FunctionLength: 48
 185 // CHECK-NEXT:     RegF: 0
 186 // CHECK-NEXT:     RegI: 2
 187 // CHECK-NEXT:     HomedParameters: No
 188 // CHECK-NEXT:     CR: 3
 189 // CHECK-NEXT:     FrameSize: 4112
 190 // CHECK-NEXT:     Prologue [
 191 // CHECK-NEXT:       mov x29, sp
 192 // CHECK-NEXT:       stp x29, lr, [sp, #0]
 193 // CHECK-NEXT:       sub sp, sp, #16
 194 // CHECK-NEXT:       sub sp, sp, #4080
 195 // CHECK-NEXT:       stp x19, x20, [sp, #-16]!
 196 // CHECK-NEXT:       end
 197 // CHECK-NEXT:     ]
 198 // CHECK-NEXT:   }
 199 // CHECK-NEXT:   RuntimeFunction {
 200 // CHECK-NEXT:     Function: func13
 201 // CHECK-NEXT:     Fragment: No
 202 // CHECK-NEXT:     FunctionLength: 32
 203 // CHECK-NEXT:     RegF: 0
 204 // CHECK-NEXT:     RegI: 2
 205 // CHECK-NEXT:     HomedParameters: No
 206 // CHECK-NEXT:     CR: 0
 207 // CHECK-NEXT:     FrameSize: 4112
 208 // CHECK-NEXT:     Prologue [
 209 // CHECK-NEXT:       sub sp, sp, #16
 210 // CHECK-NEXT:       sub sp, sp, #4080
 211 // CHECK-NEXT:       stp x19, x20, [sp, #-16]!
 212 // CHECK-NEXT:       end
 213 // CHECK-NEXT:     ]
 214 // CHECK-NEXT:   }
 215 // CHECK-NEXT:   RuntimeFunction {
 216 // CHECK-NEXT:     Function: func14
 217 // CHECK-NEXT:     Fragment: No
 218 // CHECK-NEXT:     FunctionLength: 32
 219 // CHECK-NEXT:     RegF: 2
 220 // CHECK-NEXT:     RegI: 0
 221 // CHECK-NEXT:     HomedParameters: No
 222 // CHECK-NEXT:     CR: 1
 223 // CHECK-NEXT:     FrameSize: 32
 224 // CHECK-NEXT:     Prologue [
 225 // CHECK-NEXT:       str d10, [sp, #24]
 226 // CHECK-NEXT:       stp d8, d9, [sp, #8]
 227 // CHECK-NEXT:       str lr, [sp, #-32]!
 228 // CHECK-NEXT:       end
 229 // CHECK-NEXT:     ]
 230 // CHECK-NEXT:   }
 231 // CHECK-NEXT:   RuntimeFunction {
 232 // CHECK-NEXT:     Function: func15
 233 // CHECK-NEXT:     Fragment: No
 234 // CHECK-NEXT:     FunctionLength: 20
 235 // CHECK-NEXT:     RegF: 0
 236 // CHECK-NEXT:     RegI: 0
 237 // CHECK-NEXT:     HomedParameters: No
 238 // CHECK-NEXT:     CR: 3
 239 // CHECK-NEXT:     FrameSize: 32
 240 // CHECK-NEXT:     Prologue [
 241 // CHECK-NEXT:       mov x29, sp
 242 // CHECK-NEXT:       stp x29, lr, [sp, #-32]!
 243 // CHECK-NEXT:       end
 244 // CHECK-NEXT:     ]
 245 // CHECK-NEXT:   }
 246 // CHECK-NEXT:   RuntimeFunction {
 247 // CHECK-NEXT:     Function: func16
 248 // CHECK-NEXT:     Fragment: No
 249 // CHECK-NEXT:     FunctionLength: 28
 250 // CHECK-NEXT:     RegF: 0
 251 // CHECK-NEXT:     RegI: 0
 252 // CHECK-NEXT:     HomedParameters: No
 253 // CHECK-NEXT:     CR: 2
 254 // CHECK-NEXT:     FrameSize: 32
 255 // CHECK-NEXT:     Prologue [
 256 // CHECK-NEXT:       mov x29, sp
 257 // CHECK-NEXT:       stp x29, lr, [sp, #-32]!
 258 // CHECK-NEXT:       pacibsp
 259 // CHECK-NEXT:       end
 260 // CHECK-NEXT:     ]
 261 // CHECK-NEXT:   }
 262 // CHECK-NEXT:   RuntimeFunction {
 263 // CHECK-NEXT:     Function: func17
 264 // CHECK-NEXT:     Fragment: No
 265 // CHECK-NEXT:     FunctionLength: 40
 266 // CHECK-NEXT:     RegF: 0
 267 // CHECK-NEXT:     RegI: 2
 268 // CHECK-NEXT:     HomedParameters: No
 269 // CHECK-NEXT:     CR: 2
 270 // CHECK-NEXT:     FrameSize: 48
 271 // CHECK-NEXT:     Prologue [
 272 // CHECK-NEXT:       mov x29, sp
 273 // CHECK-NEXT:       stp x29, lr, [sp, #-32]!
 274 // CHECK-NEXT:       stp x19, x20, [sp, #-16]!
 275 // CHECK-NEXT:       pacibsp
 276 // CHECK-NEXT:       end
 277 // CHECK-NEXT:     ]
 278 // CHECK-NEXT:   }
 279 // CHECK-NEXT:   RuntimeFunction {
 280 // CHECK-NEXT:     Function: func18
 281 // CHECK-NEXT:     Fragment: No
 282 // CHECK-NEXT:     FunctionLength: 56
 283 // CHECK-NEXT:     RegF: 0
 284 // CHECK-NEXT:     RegI: 2
 285 // CHECK-NEXT:     HomedParameters: No
 286 // CHECK-NEXT:     CR: 2
 287 // CHECK-NEXT:     FrameSize: 4112
 288 // CHECK-NEXT:     Prologue [
 289 // CHECK-NEXT:       mov x29, sp
 290 // CHECK-NEXT:       stp x29, lr, [sp, #0]
 291 // CHECK-NEXT:       sub sp, sp, #16
 292 // CHECK-NEXT:       sub sp, sp, #4080
 293 // CHECK-NEXT:       stp x19, x20, [sp, #-16]!
 294 // CHECK-NEXT:       pacibsp
 295 // CHECK-NEXT:       end
 296 // CHECK-NEXT:     ]
 297 // CHECK-NEXT:   }
 298 // CHECK:        RuntimeFunction {
 299 // CHECK-NEXT:     Function: nonpacked1
 300 // CHECK-NEXT:     ExceptionRecord:
 301 // CHECK-NEXT:     ExceptionData {
 302 // CHECK:            EpiloguePacked: Yes
 303 // CHECK:        RuntimeFunction {
 304 // CHECK-NEXT:     Function: nonpacked2
 305 // CHECK-NEXT:     ExceptionRecord:
 306 // CHECK-NEXT:     ExceptionData {
 307 // CHECK:            EpiloguePacked: Yes
 308 // CHECK:        RuntimeFunction {
 309 // CHECK-NEXT:     Function: nonpacked3
 310 // CHECK-NEXT:     ExceptionRecord:
 311 // CHECK-NEXT:     ExceptionData {
 312 // CHECK:            EpiloguePacked: Yes
 313 // CHECK:        RuntimeFunction {
 314 // CHECK-NEXT:     Function: nonpacked4
 315 // CHECK-NEXT:     ExceptionRecord:
 316 // CHECK-NEXT:     ExceptionData {
 317 // CHECK:            EpiloguePacked: Yes
 318 // CHECK:        RuntimeFunction {
 319 // CHECK-NEXT:     Function: nonpacked5
 320 // CHECK-NEXT:     ExceptionRecord:
 321 // CHECK-NEXT:     ExceptionData {
 322 // CHECK:            EpiloguePacked: Yes
 323 // CHECK:        RuntimeFunction {
 324 // CHECK-NEXT:     Function: nonpacked6
 325 // CHECK-NEXT:     ExceptionRecord:
 326 // CHECK-NEXT:     ExceptionData {
 327 // CHECK:            EpiloguePacked: Yes
 328 // CHECK:        RuntimeFunction {
 329 // CHECK-NEXT:     Function: nonpacked7
 330 // CHECK-NEXT:     ExceptionRecord:
 331 // CHECK-NEXT:     ExceptionData {
 332 // CHECK:            EpiloguePacked: Yes
 333 // CHECK:        RuntimeFunction {
 334 // CHECK-NEXT:     Function: nonpacked8
 335 // CHECK-NEXT:     ExceptionRecord:
 336 // CHECK-NEXT:     ExceptionData {
 337 // CHECK:            EpiloguePacked: Yes
 338 // CHECK:        RuntimeFunction {
 339 // CHECK-NEXT:     Function: nonpacked9
 340 // CHECK-NEXT:     ExceptionRecord:
 341 // CHECK-NEXT:     ExceptionData {
 342 // CHECK:            EpiloguePacked: Yes
 343 // CHECK:        RuntimeFunction {
 344 // CHECK-NEXT:     Function: nonpacked10
 345 // CHECK-NEXT:     ExceptionRecord:
 346 // CHECK-NEXT:     ExceptionData {
 347 // CHECK:            EpiloguePacked: Yes
 348 // CHECK:        RuntimeFunction {
 349 // CHECK-NEXT:     Function: nonpacked11
 350 // CHECK-NEXT:     ExceptionRecord:
 351 // CHECK-NEXT:     ExceptionData {
 352 // CHECK:            EpiloguePacked: Yes
 353 // CHECK:        RuntimeFunction {
 354 // CHECK-NEXT:     Function: nonpacked12
 355 // CHECK-NEXT:     ExceptionRecord:
 356 // CHECK-NEXT:     ExceptionData {
 357 // CHECK:            EpiloguePacked: Yes
 358 // CHECK:        RuntimeFunction {
 359 // CHECK-NEXT:     Function: nonpacked13
 360 // CHECK-NEXT:     ExceptionRecord:
 361 // CHECK-NEXT:     ExceptionData {
 362 // CHECK:            EpiloguePacked: Yes
 363 // CHECK:        RuntimeFunction {
 364 // CHECK-NEXT:     Function: nonpacked14
 365 // CHECK-NEXT:     ExceptionRecord:
 366 // CHECK-NEXT:     ExceptionData {
 367 // CHECK:            EpiloguePacked: Yes
 368 // CHECK:        RuntimeFunction {
 369 // CHECK-NEXT:     Function: nonpacked15
 370 // CHECK-NEXT:     ExceptionRecord:
 371 // CHECK-NEXT:     ExceptionData {
 372 // CHECK:            EpiloguePacked: Yes
 373 // CHECK:        RuntimeFunction {
 374 // CHECK-NEXT:     Function: nonpacked16
 375 // CHECK-NEXT:     ExceptionRecord:
 376 // CHECK-NEXT:     ExceptionData {
 377 // CHECK:            EpiloguePacked: Yes
 378
 379
 380     .text
 381 func1:
 382     .seh_proc func1
 383     stp x19, x20, [sp, #-144]!
 384     .seh_save_r19r20_x 144
 385     stp x21, x22, [sp, #16]
 386     .seh_save_regp x21, 16
 387     stp x23, x24, [sp, #32]
 388     .seh_save_next
 389     stp x25, x26, [sp, #48]
 390     .seh_save_next
 391     stp x27, x28, [sp, #64]
 392     .seh_save_next
 393     stp d8,  d9,  [sp, #80]
 394     .seh_save_fregp d8, 80
 395     stp d10, d11, [sp, #96]
 396     .seh_save_fregp d10, 96
 397     stp d12, d13, [sp, #112]
 398     .seh_save_fregp d12, 112
 399     stp d14, d15, [sp, #128]
 400     .seh_save_fregp d14, 128
 401     sub sp,  sp,  #16
 402     .seh_stackalloc 16
 403     .seh_endprologue
 404     nop
 405     .seh_startepilogue
 406     add sp,  sp,  #16
 407     .seh_stackalloc 16
 408     ldp d14, d15, [sp, #128]
 409     .seh_save_fregp d14, 128
 410     ldp d12, d13, [sp, #112]
 411     .seh_save_fregp d12, 112
 412     ldp d10, d11, [sp, #96]
 413     .seh_save_fregp d10, 96
 414     ldp d8,  d9,  [sp, #80]
 415     .seh_save_fregp d8, 80
 416     ldp x27, x28, [sp, #64]
 417     .seh_save_next
 418     ldp x25, x26, [sp, #48]
 419     .seh_save_next
 420     ldp x23, x24, [sp, #32]
 421     .seh_save_next
 422     ldp x21, x22, [sp, #16]
 423     .seh_save_next
 424     ldp x19, x20, [sp], #144
 425     .seh_save_regp_x x19, 144
 426     .seh_endepilogue
 427     ret
 428     .seh_endproc
 429
 430 func2:
 431     .seh_proc func2
 432     stp x19, x20, [sp, #-48]!
 433     .seh_save_r19r20_x 48
 434     str x21,      [sp, #16]
 435     .seh_save_reg x21, 16
 436     stp d8,  d9,  [sp, #24]
 437     .seh_save_fregp d8, 24
 438     str d10,      [sp, #40]
 439     .seh_save_freg d10, 40
 440     sub sp,  sp,  #0
 441     .seh_stackalloc 0
 442     .seh_endprologue
 443     nop
 444     .seh_startepilogue
 445     add sp,  sp,  #0
 446     .seh_stackalloc 0
 447     ldr d10,      [sp, #40]
 448     .seh_save_freg d10, 40
 449     ldp d8,  d9,  [sp, #24]
 450     .seh_save_fregp d8, 24
 451     ldr x21,      [sp, #16]
 452     .seh_save_reg x21, 16
 453     ldp x19, x20, [sp], #48
 454     .seh_save_r19r20_x 48
 455     .seh_endepilogue
 456     ret
 457     .seh_endproc
 458
 459 func3:
 460     .seh_proc func3
 461     str x19,      [sp, #-48]!
 462     .seh_save_reg_x x19, 48
 463     stp d8,  d9,  [sp, #8]
 464     .seh_save_fregp d8, 8
 465     stp d10, d11, [sp, #24]
 466     .seh_save_fregp d10, 24
 467     .seh_endprologue
 468     nop
 469     .seh_startepilogue
 470     ldp d10, d11, [sp, #24]
 471     .seh_save_fregp d10, 24
 472     ldp d8,  d9,  [sp, #8]
 473     .seh_save_fregp d8, 8
 474     ldr x19,      [sp], #48
 475     .seh_save_reg_x x19, 48
 476     .seh_endepilogue
 477     ret
 478     .seh_endproc
 479
 480 func4:
 481     .seh_proc func4
 482     stp d8,  d9,  [sp, #-16]!
 483     .seh_save_fregp_x d8, 16
 484     sub sp,  sp,  #32
 485     .seh_stackalloc 32
 486     .seh_endprologue
 487     nop
 488     .seh_startepilogue
 489     add sp,  sp,  #32
 490     .seh_stackalloc 32
 491     ldp d8,  d9,  [sp], #16
 492     .seh_save_fregp_x d8, 16
 493     .seh_endepilogue
 494     ret
 495     .seh_endproc
 496
 497 notpacked_func5:
 498     .seh_proc notpacked_func5
 499     str x19, [sp, #-80]!
 500     .seh_save_reg_x x19, 80
 501     stp x0,  x1,  [sp, #16]
 502     .seh_nop
 503     stp x2,  x3,  [sp, #32]
 504     .seh_nop
 505     stp x4,  x5,  [sp, #48]
 506     .seh_nop
 507     stp x6,  x7,  [sp, #64]
 508     .seh_nop
 509     sub sp,  sp,  #32
 510     .seh_stackalloc 32
 511     .seh_endprologue
 512     nop
 513     .seh_startepilogue
 514     add sp,  sp,  #32
 515     .seh_stackalloc 32
 516     nop
 517     .seh_nop
 518     nop
 519     .seh_nop
 520     nop
 521     .seh_nop
 522     nop
 523     .seh_nop
 524     ldr x19, [sp], #80
 525     .seh_save_reg_x x19, 80
 526     .seh_endepilogue
 527     ret
 528     .seh_endproc
 529
 530 func6:
 531     .seh_proc func6
 532     str lr,       [sp, #-16]!
 533     .seh_save_reg_x lr, 16
 534     sub sp,  sp,  #16
 535     .seh_stackalloc 16
 536     .seh_endprologue
 537     nop
 538     .seh_startepilogue
 539     add sp,  sp,  #16
 540     .seh_stackalloc 16
 541     ldr lr,       [sp], #16
 542     .seh_save_reg_x lr, 16
 543     .seh_endepilogue
 544     ret
 545     .seh_endproc
 546
 547 func7:
 548     .seh_proc func7
 549     stp x19, x20, [sp, #-32]!
 550     .seh_save_r19r20_x 32
 551     str lr,       [sp, #16]
 552     .seh_save_reg lr, 16
 553     .seh_endprologue
 554     nop
 555     .seh_startepilogue
 556     ldr lr,       [sp, #16]
 557     .seh_save_reg lr, 16
 558     ldp x19, x20, [sp], #32
 559     .seh_save_r19r20_x 32
 560     .seh_endepilogue
 561     ret
 562     .seh_endproc
 563
 564 func8:
 565     .seh_proc func8
 566     stp x19, x20, [sp, #-32]!
 567     .seh_save_r19r20_x 32
 568     stp x21, lr,  [sp, #16]
 569     .seh_save_lrpair x21, 16
 570     sub sp,  sp,  #16
 571     .seh_stackalloc 16
 572     .seh_endprologue
 573     nop
 574     .seh_startepilogue
 575     add sp,  sp,  #16
 576     .seh_stackalloc 16
 577     ldp x21, lr,  [sp, #16]
 578     .seh_save_lrpair x21, 16
 579     ldp x19, x20, [sp], #32
 580     .seh_save_r19r20_x 32
 581     .seh_endepilogue
 582     ret
 583     .seh_endproc
 584
 585 func9:
 586     .seh_proc func9
 587     stp x19, x20, [sp, #-16]!
 588     .seh_save_r19r20_x 16
 589     stp x29, lr,  [sp, #-32]!
 590     .seh_save_fplr_x 32
 591     mov x29, sp
 592     .seh_set_fp
 593     .seh_endprologue
 594     nop
 595     .seh_startepilogue
 596     mov sp,  x29
 597     .seh_set_fp
 598     ldp x29, lr,  [sp], #32
 599     .seh_save_fplr_x 32
 600     ldp x19, x20, [sp], #16
 601     .seh_save_r19r20_x 16
 602     .seh_endepilogue
 603     ret
 604     .seh_endproc
 605
 606 func10:
 607     .seh_proc func10
 608     stp x29, lr,  [sp, #-32]!
 609     .seh_save_fplr_x 32
 610     mov x29, sp
 611     .seh_set_fp
 612     .seh_endprologue
 613     nop
 614     .seh_startepilogue
 615     mov sp,  x29
 616     .seh_set_fp
 617     ldp x29, lr,  [sp], #32
 618     .seh_save_fplr_x 32
 619     .seh_endepilogue
 620     ret
 621     .seh_endproc
 622
 623 func11:
 624     .seh_proc func11
 625     stp x19, x20, [sp, #-16]!
 626     .seh_save_r19r20_x 16
 627     sub sp,  sp,  #528
 628     .seh_stackalloc 528
 629     stp x29, lr,  [sp, #0]
 630     .seh_save_fplr 0
 631     mov x29, sp
 632     .seh_set_fp
 633     .seh_endprologue
 634     nop
 635     .seh_startepilogue
 636     mov sp,  x29
 637     .seh_set_fp
 638     ldp x29, lr,  [sp, #0]
 639     .seh_save_fplr 0
 640     add sp,  sp,  #528
 641     .seh_stackalloc 528
 642     ldp x19, x20, [sp], #16
 643     .seh_save_r19r20_x 16
 644     .seh_endepilogue
 645     ret
 646     .seh_endproc
 647
 648 func12:
 649     .seh_proc func12
 650     stp x19, x20, [sp, #-16]!
 651     .seh_save_r19r20_x 16
 652     sub sp,  sp,  #4080
 653     .seh_stackalloc 4080
 654     sub sp,  sp,  #16
 655     .seh_stackalloc 16
 656     stp x29, lr,  [sp, #0]
 657     .seh_save_fplr 0
 658     mov x29, sp
 659     .seh_set_fp
 660     .seh_endprologue
 661     nop
 662     .seh_startepilogue
 663     mov sp,  x29
 664     .seh_set_fp
 665     ldp x29, lr,  [sp, #0]
 666     .seh_save_fplr 0
 667     add sp,  sp,  #16
 668     .seh_stackalloc 16
 669     add sp,  sp,  #4080
 670     .seh_stackalloc 4080
 671     ldp x19, x20, [sp], #16
 672     .seh_save_r19r20_x 16
 673     .seh_endepilogue
 674     ret
 675     .seh_endproc
 676
 677 func13:
 678     .seh_proc func13
 679     stp x19, x20, [sp, #-16]!
 680     .seh_save_r19r20_x 16
 681     sub sp,  sp,  #4080
 682     .seh_stackalloc 4080
 683     sub sp,  sp,  #16
 684     .seh_stackalloc 16
 685     .seh_endprologue
 686     nop
 687     .seh_startepilogue
 688     add sp,  sp,  #16
 689     .seh_stackalloc 16
 690     add sp,  sp,  #4080
 691     .seh_stackalloc 4080
 692     ldp x19, x20, [sp], #16
 693     .seh_save_r19r20_x 16
 694     .seh_endepilogue
 695     ret
 696     .seh_endproc
 697
 698 func14:
 699     .seh_proc func14
 700     str lr,       [sp, #-32]!
 701     .seh_save_reg_x lr, 32
 702     stp d8,  d9,  [sp, #8]
 703     .seh_save_fregp d8, 8
 704     str d10,      [sp, #24]
 705     .seh_save_freg d10, 24
 706     .seh_endprologue
 707     nop
 708     .seh_startepilogue
 709     ldr d10,      [sp, #24]
 710     .seh_save_freg d10, 24
 711     ldp d8,  d9,  [sp, #8]
 712     .seh_save_fregp d8, 8
 713     ldr lr,       [sp], #32
 714     .seh_save_reg_x lr, 32
 715     .seh_endepilogue
 716     ret
 717     .seh_endproc
 718
 719 func15:
 720     .seh_proc func15
 721     stp x29, lr,  [sp, #-32]!
 722     .seh_save_fplr_x 32
 723     mov x29, sp
 724     .seh_set_fp
 725     .seh_endprologue
 726     nop
 727     .seh_startepilogue
 728     // Epilogue missing the .seh_set_fp, but still generating packed info.
 729     ldp x29, lr,  [sp], #32
 730     .seh_save_fplr_x 32
 731     .seh_endepilogue
 732     ret
 733     .seh_endproc
 734
 735 func16:
 736     .seh_proc func16
 737     pacibsp
 738     .seh_pac_sign_lr
 739     stp x29, lr,  [sp, #-32]!
 740     .seh_save_fplr_x 32
 741     mov x29, sp
 742     .seh_set_fp
 743     .seh_endprologue
 744     nop
 745     .seh_startepilogue
 746     ldp x29, lr, [sp], #32
 747     .seh_save_fplr_x 32
 748     autibsp
 749     .seh_pac_sign_lr
 750     .seh_endepilogue
 751     ret
 752     .seh_endproc
 753
 754 func17:
 755     .seh_proc func17
 756     pacibsp
 757     .seh_pac_sign_lr
 758     stp x19, x20, [sp, #-16]!
 759     .seh_save_r19r20_x 16
 760     stp x29, lr,  [sp, #-32]!
 761     .seh_save_fplr_x 32
 762     mov x29, sp
 763     .seh_set_fp
 764     .seh_endprologue
 765     nop
 766     .seh_startepilogue
 767     mov sp,  x29
 768     .seh_set_fp
 769     ldp x29, lr,  [sp], #32
 770     .seh_save_fplr_x 32
 771     ldp x19, x20, [sp], #16
 772     .seh_save_r19r20_x 16
 773     autibsp
 774     .seh_pac_sign_lr
 775     .seh_endepilogue
 776     ret
 777     .seh_endproc
 778
 779 func18:
 780     .seh_proc func18
 781     pacibsp
 782     .seh_pac_sign_lr
 783     stp x19, x20, [sp, #-16]!
 784     .seh_save_r19r20_x 16
 785     sub sp,  sp,  #4080
 786     .seh_stackalloc 4080
 787     sub sp,  sp,  #16
 788     .seh_stackalloc 16
 789     stp x29, lr,  [sp, #0]
 790     .seh_save_fplr 0
 791     mov x29, sp
 792     .seh_set_fp
 793     .seh_endprologue
 794     nop
 795     .seh_startepilogue
 796     mov sp,  x29
 797     .seh_set_fp
 798     ldp x29, lr,  [sp, #0]
 799     .seh_save_fplr 0
 800     add sp,  sp,  #16
 801     .seh_stackalloc 16
 802     add sp,  sp,  #4080
 803     .seh_stackalloc 4080
 804     ldp x19, x20, [sp], #16
 805     .seh_save_r19r20_x 16
 806     autibsp
 807     .seh_pac_sign_lr
 808     .seh_endepilogue
 809     ret
 810     .seh_endproc
 811
 812 nonpacked1:
 813     .seh_proc nonpacked1
 814     // Can't be packed; can't save integer registers after float registers.
 815     stp d8,  d9,  [sp, #-32]!
 816     .seh_save_fregp_x d8, 32
 817     stp x19, x20, [sp, #16]!
 818     .seh_save_regp x19, 16
 819     .seh_endprologue
 820     nop
 821     .seh_startepilogue
 822     ldp x19, x20, [sp, #16]
 823     .seh_save_regp x19, 16
 824     ldp d8,  d9,  [sp], #32
 825     .seh_save_fregp_x d8, 32
 826     .seh_endepilogue
 827     ret
 828     .seh_endproc
 829
 830 nonpacked2:
 831     .seh_proc nonpacked2
 832     // Can't be packed; x21/x22 aren't saved in the expected spot
 833     stp x19, x20, [sp, #-48]!
 834     .seh_save_r19r20_x 48
 835     stp x21, x22, [sp, #32]
 836     .seh_save_regp x21, 32
 837     .seh_endprologue
 838     nop
 839     .seh_startepilogue
 840     ldp x21, x22, [sp, #32]
 841     .seh_save_regp x21, 32
 842     ldp x19, x20, [sp], #48
 843     .seh_save_r19r20_x 48
 844     .seh_endepilogue
 845     ret
 846     .seh_endproc
 847
 848 nonpacked3:
 849     .seh_proc nonpacked3
 850     // Can't be packed; x29/x30 can't be treated as the other saved registers
 851     stp x19, x20, [sp, #-96]!
 852     .seh_save_r19r20_x 96
 853     stp x21, x22, [sp, #16]
 854     .seh_save_next
 855     stp x23, x24, [sp, #32]
 856     .seh_save_next
 857     stp x25, x26, [sp, #48]
 858     .seh_save_next
 859     stp x27, x28, [sp, #64]
 860     .seh_save_next
 861     stp x29, x30, [sp, #80]
 862     .seh_save_next
 863     .seh_endprologue
 864     nop
 865     .seh_startepilogue
 866     ldp x29, x30, [sp, #80]
 867     .seh_save_next
 868     ldp x27, x28, [sp, #64]
 869     .seh_save_next
 870     ldp x25, x26, [sp, #48]
 871     .seh_save_next
 872     ldp x23, x24, [sp, #32]
 873     .seh_save_next
 874     ldp x21, x22, [sp, #16]
 875     .seh_save_next
 876     ldp x19, x20, [sp], #96
 877     .seh_save_r19r20_x 96
 878     .seh_endepilogue
 879     ret
 880     .seh_endproc
 881
 882 nonpacked4:
 883     .seh_proc nonpacked4
 884     // Can't be packed; more predecrement for x19/x20 than used for
 885     // corresponding RegI/RegF/LR saves
 886     stp x19, x20, [sp, #-32]!
 887     .seh_save_r19r20_x 32
 888     .seh_endprologue
 889     nop
 890     .seh_startepilogue
 891     ldp x19, x20, [sp], #32
 892     .seh_save_r19r20_x 32
 893     .seh_endepilogue
 894     ret
 895     .seh_endproc
 896
 897 nonpacked5:
 898     .seh_proc nonpacked5
 899     // Can't be packed; can't save LR twice
 900     stp x19, x20, [sp, #-32]!
 901     .seh_save_r19r20_x 32
 902     str lr, [sp, #16]
 903     .seh_save_reg lr, 16
 904     str lr, [sp, #24]
 905     .seh_save_reg lr, 24
 906     .seh_endprologue
 907     nop
 908     .seh_startepilogue
 909     ldr lr, [sp, #24]
 910     .seh_save_reg lr, 24
 911     ldr lr, [sp, #16]
 912     .seh_save_reg lr, 16
 913     ldp x19, x20, [sp], #32
 914     .seh_save_r19r20_x 32
 915     .seh_endepilogue
 916     ret
 917     .seh_endproc
 918
 919 nonpacked6:
 920     .seh_proc nonpacked6
 921     // Can't be packed; can't save LR both standalone (CR 1) and as FPLR (CR 3)
 922     stp x19, x20, [sp, #-32]!
 923     .seh_save_r19r20_x 32
 924     str lr, [sp, #16]
 925     .seh_save_reg lr, 16
 926     stp x29, lr,  [sp, #-16]!
 927     .seh_save_fplr_x 16
 928     mov x29, sp
 929     .seh_set_fp
 930     .seh_endprologue
 931     nop
 932     .seh_startepilogue
 933     mov sp,  x29
 934     .seh_set_fp
 935     ldp x29, lr,  [sp], #32
 936     .seh_save_fplr_x 16
 937     ldr lr, [sp, #16]
 938     .seh_save_reg lr, 16
 939     ldp x19, x20, [sp], #32
 940     .seh_save_r19r20_x 32
 941     .seh_endepilogue
 942     ret
 943     .seh_endproc
 944
 945 nonpacked7:
 946     .seh_proc nonpacked7
 947     // Can't be packed; too many saved FP regs
 948     stp d8,  d9,  [sp, #-80]!
 949     .seh_save_fregp_x d8, 80
 950     stp d10, d11, [sp, #16]
 951     .seh_save_fregp d10, 16
 952     stp d12, d13, [sp, #32]
 953     .seh_save_fregp d12, 32
 954     stp d14, d15, [sp, #48]
 955     .seh_save_fregp d14, 48
 956     stp d16, d17, [sp, #64]
 957     .seh_save_next
 958     .seh_endprologue
 959     nop
 960     .seh_startepilogue
 961     ldp d16, d17, [sp, #64]
 962     .seh_save_next
 963     ldp d14, d15, [sp, #48]
 964     .seh_save_fregp d14, 48
 965     ldp d12, d13, [sp, #32]
 966     .seh_save_fregp d12, 32
 967     ldp d10, d11, [sp, #16]
 968     .seh_save_fregp d10, 16
 969     ldp d8,  d9,  [sp], #80
 970     .seh_save_fregp_x d8, 80
 971     .seh_endepilogue
 972     ret
 973     .seh_endproc
 974
 975 nonpacked8:
 976     .seh_proc nonpacked8
 977     // Can't be packed; Can't handle only a single FP reg
 978     str d8,  [sp, #-16]!
 979     .seh_save_freg_x d8, 16
 980     .seh_endprologue
 981     nop
 982     .seh_startepilogue
 983     ldr d8,  [sp], #16
 984     .seh_save_freg_x d8, 16
 985     .seh_endepilogue
 986     ret
 987     .seh_endproc
 988
 989 nonpacked9:
 990     .seh_proc nonpacked9
 991     // Can't be packed; can't have a separate stack adjustment with save_fplr_x
 992     sub sp, sp, #32
 993     .seh_stackalloc 32
 994     stp x29, lr,  [sp, #-16]!
 995     .seh_save_fplr_x 16
 996     mov x29, sp
 997     .seh_set_fp
 998     .seh_endprologue
 999     nop
1000     .seh_startepilogue
1001     mov sp,  x29
1002     .seh_set_fp
1003     ldp x29, lr,  [sp], #32
1004     .seh_save_fplr_x 16
1005     add sp, sp, #32
1006     .seh_stackalloc 32
1007     .seh_endepilogue
1008     ret
1009     .seh_endproc
1010
1011 nonpacked10:
1012     .seh_proc nonpacked10
1013     // Can't be packed; wrong predecrement
1014     stp x19, x20, [sp, #-16]!
1015     .seh_save_r19r20_x 16
1016     stp x21, x22, [sp, #16]
1017     .seh_save_next
1018     .seh_endprologue
1019     nop
1020     .seh_startepilogue
1021     ldp x21, x22, [sp, #16]
1022     .seh_save_next
1023     ldp x19, x20, [sp], #16
1024     .seh_save_r19r20_x 16
1025     .seh_endepilogue
1026     ret
1027     .seh_endproc
1028
1029 nonpacked11:
1030     .seh_proc nonpacked11
1031     // Can't be packed; too big stack allocation
1032     sub sp, sp, #4080
1033     .seh_stackalloc 4080
1034     sub sp, sp, #8192
1035     .seh_stackalloc 8192
1036     .seh_endprologue
1037     nop
1038     .seh_startepilogue
1039     add sp, sp, #8192
1040     .seh_stackalloc 8192
1041     add sp, sp, #4080
1042     .seh_stackalloc 4080
1043     .seh_endepilogue
1044     ret
1045     .seh_endproc
1046
1047 nonpacked12:
1048     .seh_proc nonpacked12
1049     // Can't be packed; missing .seh_set_fp
1050     stp x29, lr,  [sp, #-32]!
1051     .seh_save_fplr_x 32
1052     .seh_endprologue
1053     nop
1054     .seh_startepilogue
1055     ldp x29, lr,  [sp], #32
1056     .seh_save_fplr_x 32
1057     .seh_endepilogue
1058     ret
1059     .seh_endproc
1060
1061 nonpacked13:
1062     .seh_proc nonpacked13
1063     // Can't be packed; not doing a packed info if .seh_handlerdata is used
1064     sub sp, sp, #16
1065     .seh_stackalloc 16
1066     .seh_endprologue
1067     nop
1068     .seh_startepilogue
1069     add sp, sp, #16
1070     .seh_stackalloc 16
1071     .seh_endepilogue
1072     ret
1073     .seh_endfunclet
1074     .seh_handlerdata
1075     .long 0
1076     .text
1077     .seh_endproc
1078
1079 nonpacked14:
1080     .seh_proc nonpacked14
1081     // Can't be packed; a signed return address can only be expressed if
1082     // we save both x29 and lr on the stack.
1083     pacibsp
1084     .seh_pac_sign_lr
1085     str lr,       [sp, #-32]!
1086     .seh_save_reg_x lr, 32
1087     .seh_endprologue
1088     nop
1089     .seh_startepilogue
1090     ldr lr,       [sp], #32
1091     .seh_save_reg_x lr, 32
1092     autibsp
1093     .seh_pac_sign_lr
1094     .seh_endepilogue
1095     ret
1096     .seh_endproc
1097
1098 nonpacked15:
1099     .seh_proc nonpacked15
1100     // Can't be packed; a signed return address can only be expressed if
1101     // we save both x29 and lr on the stack.
1102     pacibsp
1103     .seh_pac_sign_lr
1104     stp x19, x20, [sp, #-32]!
1105     .seh_save_r19r20_x 32
1106     stp x21, lr,  [sp, #16]
1107     .seh_save_lrpair x21, 16
1108     sub sp,  sp,  #16
1109     .seh_stackalloc 16
1110     .seh_endprologue
1111     nop
1112     .seh_startepilogue
1113     add sp,  sp,  #16
1114     .seh_stackalloc 16
1115     ldp x21, lr,  [sp, #16]
1116     .seh_save_lrpair x21, 16
1117     ldp x19, x20, [sp], #32
1118     .seh_save_r19r20_x 32
1119     autibsp
1120     .seh_pac_sign_lr
1121     .seh_endepilogue
1122     ret
1123     .seh_endproc
1124
1125 nonpacked16:
1126     .seh_proc nonpacked16
1127     // Make sure we correctly analyze .seh_save_any_reg_p
1128     stp     x29, x30, [sp, #-176]!
1129     .seh_save_fplr_x        176
1130     stp     q6, q7, [sp, #16]
1131     .seh_save_any_reg_p     q6, 16
1132     stp     q8, q9, [sp, #48]
1133     .seh_save_any_reg_p     q8, 48
1134     stp     q10, q11, [sp, #80]
1135     .seh_save_any_reg_p     q10, 80
1136     stp     q12, q13, [sp, #112]
1137     .seh_save_any_reg_p     q12, 112
1138     stp     q14, q15, [sp, #144]
1139     .seh_save_any_reg_p     q14, 144
1140     mov     x29, sp
1141     .seh_set_fp
1142     .seh_endprologue
1143     nop
1144     .seh_startepilogue
1145     ldp     q14, q15, [sp, #144]
1146     .seh_save_any_reg_p     q14, 144
1147     ldp     q12, q13, [sp, #112]
1148     .seh_save_any_reg_p     q12, 112
1149     ldp     q10, q11, [sp, #80]
1150     .seh_save_any_reg_p     q10, 80
1151     ldp     q8, q9, [sp, #48]
1152     .seh_save_any_reg_p     q8, 48
1153     ldp     q6, q7, [sp, #16]
1154     .seh_save_any_reg_p     q6, 16
1155     ldp     x29, x30, [sp], #176
1156     .seh_save_fplr_x        176
1157     .seh_endepilogue
1158     br      x9
1159     .seh_endproc