1; RUN: opt < %s -lcssa -verify-loop-info -verify-dom-info -disable-output 2; PR5437 3 4; LCSSA should work correctly in the case of an indirectbr that exits 5; the loop, and the loop has exits with predecessors not within the loop 6; (and btw these edges are unsplittable due to the indirectbr). 7 8define i32 @js_Interpret() nounwind { 9entry: 10 br i1 undef, label %"4", label %"3" 11 12"3": ; preds = %entry 13 ret i32 0 14 15"4": ; preds = %entry 16 br i1 undef, label %"6", label %"5" 17 18"5": ; preds = %"4" 19 unreachable 20 21"6": ; preds = %"4" 22 br i1 undef, label %"10", label %"13" 23 24"10": ; preds = %"6" 25 br i1 undef, label %"22", label %"15" 26 27"13": ; preds = %"6" 28 unreachable 29 30"15": ; preds = %"23", %"10" 31 unreachable 32 33"22": ; preds = %"10" 34 br label %"23" 35 36"23": ; preds = %"1375", %"22" 37 %0 = phi i32 [ undef, %"22" ], [ %1, %"1375" ] ; <i32> [#uses=1] 38 indirectbr i8* undef, [label %"15", label %"24", label %"25", label %"26", label %"27", label %"28", label %"29", label %"30", label %"32", label %"32", label %"33", label %"167", label %"173", label %"173", label %"173", label %"173", label %"173", label %"192", label %"193", label %"194", label %"196", label %"206", label %"231", label %"241", label %"251", label %"261", label %"307", label %"353", label %"354", label %"355", label %"361", label %"367", label %"400", label %"433", label %"466", label %"499", label %"509", label %"519", label %"529", label %"571", label %"589", label %"607", label %"635", label %"655", label %"664", label %"671", label %"680", label %"687", label %"692", label %"698", label %"704", label %"715", label %"715", label %"716", label %"725", label %"725", label %"725", label %"725", label %"724", label %"724", label %"724", label %"724", label %"737", label %"737", label %"737", label %"737", label %"761", label %"758", label %"759", label %"760", label %"766", label %"763", label %"764", label %"765", label %"771", label %"768", label %"769", label %"770", label %"780", label %"777", label %"778", label %"779", label %"821", label %"826", label %"831", label %"832", label %"833", label %"836", label %"836", label %"886", label %"905", label %"978", label %"978", label %"1136", label %"1166", label %"1179", label %"1201", label %"1212", label %"1212", label %"1274", label %"1284", label %"1284", label %"1346", label %"1347", label %"1348", label %"1349", label %"1350", label %"1353", label %"1353", label %"1353", label %"1355", label %"1355", label %"1357", label %"1357", label %"1358", label %"1359", label %"1374", label %"1375", label %"1376", label %"1377", label %"1378", label %"1379", label %"1386", label %"1395", label %"1394", label %"1425", label %"1426", label %"1440", label %"1449", label %"1455", label %"1461", label %"1471", label %"1482", label %"1484", label %"1486", label %"1489", label %"1489", label %"1492", label %"1494", label %"1494", label %"1497", label %"1499", label %"1499", label %"1515", label %"1546", label %"1546", label %"1566", label %"1584", label %"1587", label %"1591", label %"1605", label %"1609", label %"1609", label %"1640", label %"1648", label %"1651", label %"1703", label %"1710", label %"1718", label %"1724", label %"1725", label %"1726", label %"1727", label %"1728", label %"1731", label %"1732", label %"1733", label %"1734", label %"1735", label %"1741", label %"1750", label %"1752", label %"1754", label %"1755", label %"1757", label %"1759", label %"1761", label %"1764", label %"1764", label %"1766", label %"1768", label %"1775", label %"1775", label %"1781", label %"1781", label %"1790", label %"1827", label %"1836", label %"1836", label %"1845", label %"1845", label %"1848", label %"1849", label %"1851", label %"1853", label %"1856", label %"1861", label %"1861"] 39 40"24": ; preds = %"23" 41 unreachable 42 43"25": ; preds = %"23" 44 unreachable 45 46"26": ; preds = %"23" 47 unreachable 48 49"27": ; preds = %"23" 50 unreachable 51 52"28": ; preds = %"23" 53 unreachable 54 55"29": ; preds = %"23" 56 unreachable 57 58"30": ; preds = %"23" 59 unreachable 60 61"32": ; preds = %"23", %"23" 62 unreachable 63 64"33": ; preds = %"23" 65 unreachable 66 67"167": ; preds = %"23" 68 unreachable 69 70"173": ; preds = %"23", %"23", %"23", %"23", %"23" 71 unreachable 72 73"192": ; preds = %"23" 74 unreachable 75 76"193": ; preds = %"23" 77 unreachable 78 79"194": ; preds = %"23" 80 unreachable 81 82"196": ; preds = %"23" 83 unreachable 84 85"206": ; preds = %"23" 86 unreachable 87 88"231": ; preds = %"23" 89 unreachable 90 91"241": ; preds = %"23" 92 unreachable 93 94"251": ; preds = %"23" 95 unreachable 96 97"261": ; preds = %"23" 98 unreachable 99 100"307": ; preds = %"23" 101 unreachable 102 103"353": ; preds = %"23" 104 unreachable 105 106"354": ; preds = %"23" 107 unreachable 108 109"355": ; preds = %"23" 110 unreachable 111 112"361": ; preds = %"23" 113 unreachable 114 115"367": ; preds = %"23" 116 unreachable 117 118"400": ; preds = %"23" 119 unreachable 120 121"433": ; preds = %"23" 122 unreachable 123 124"466": ; preds = %"23" 125 unreachable 126 127"499": ; preds = %"23" 128 unreachable 129 130"509": ; preds = %"23" 131 unreachable 132 133"519": ; preds = %"23" 134 unreachable 135 136"529": ; preds = %"23" 137 unreachable 138 139"571": ; preds = %"23" 140 unreachable 141 142"589": ; preds = %"23" 143 unreachable 144 145"607": ; preds = %"23" 146 unreachable 147 148"635": ; preds = %"23" 149 unreachable 150 151"655": ; preds = %"23" 152 unreachable 153 154"664": ; preds = %"23" 155 unreachable 156 157"671": ; preds = %"23" 158 unreachable 159 160"680": ; preds = %"23" 161 unreachable 162 163"687": ; preds = %"23" 164 unreachable 165 166"692": ; preds = %"23" 167 br label %"1862" 168 169"698": ; preds = %"23" 170 unreachable 171 172"704": ; preds = %"23" 173 unreachable 174 175"715": ; preds = %"23", %"23" 176 unreachable 177 178"716": ; preds = %"23" 179 unreachable 180 181"724": ; preds = %"23", %"23", %"23", %"23" 182 unreachable 183 184"725": ; preds = %"23", %"23", %"23", %"23" 185 unreachable 186 187"737": ; preds = %"23", %"23", %"23", %"23" 188 unreachable 189 190"758": ; preds = %"23" 191 unreachable 192 193"759": ; preds = %"23" 194 unreachable 195 196"760": ; preds = %"23" 197 unreachable 198 199"761": ; preds = %"23" 200 unreachable 201 202"763": ; preds = %"23" 203 unreachable 204 205"764": ; preds = %"23" 206 unreachable 207 208"765": ; preds = %"23" 209 br label %"766" 210 211"766": ; preds = %"765", %"23" 212 unreachable 213 214"768": ; preds = %"23" 215 unreachable 216 217"769": ; preds = %"23" 218 unreachable 219 220"770": ; preds = %"23" 221 unreachable 222 223"771": ; preds = %"23" 224 unreachable 225 226"777": ; preds = %"23" 227 unreachable 228 229"778": ; preds = %"23" 230 unreachable 231 232"779": ; preds = %"23" 233 unreachable 234 235"780": ; preds = %"23" 236 unreachable 237 238"821": ; preds = %"23" 239 unreachable 240 241"826": ; preds = %"23" 242 unreachable 243 244"831": ; preds = %"23" 245 unreachable 246 247"832": ; preds = %"23" 248 unreachable 249 250"833": ; preds = %"23" 251 unreachable 252 253"836": ; preds = %"23", %"23" 254 unreachable 255 256"886": ; preds = %"23" 257 unreachable 258 259"905": ; preds = %"23" 260 unreachable 261 262"978": ; preds = %"23", %"23" 263 unreachable 264 265"1136": ; preds = %"23" 266 unreachable 267 268"1166": ; preds = %"23" 269 unreachable 270 271"1179": ; preds = %"23" 272 unreachable 273 274"1201": ; preds = %"23" 275 unreachable 276 277"1212": ; preds = %"23", %"23" 278 unreachable 279 280"1274": ; preds = %"23" 281 unreachable 282 283"1284": ; preds = %"23", %"23" 284 unreachable 285 286"1346": ; preds = %"23" 287 unreachable 288 289"1347": ; preds = %"23" 290 unreachable 291 292"1348": ; preds = %"23" 293 unreachable 294 295"1349": ; preds = %"23" 296 unreachable 297 298"1350": ; preds = %"23" 299 unreachable 300 301"1353": ; preds = %"23", %"23", %"23" 302 unreachable 303 304"1355": ; preds = %"23", %"23" 305 unreachable 306 307"1357": ; preds = %"23", %"23" 308 unreachable 309 310"1358": ; preds = %"23" 311 unreachable 312 313"1359": ; preds = %"23" 314 unreachable 315 316"1374": ; preds = %"23" 317 unreachable 318 319"1375": ; preds = %"23" 320 %1 = zext i8 undef to i32 ; <i32> [#uses=1] 321 br label %"23" 322 323"1376": ; preds = %"23" 324 unreachable 325 326"1377": ; preds = %"23" 327 unreachable 328 329"1378": ; preds = %"23" 330 unreachable 331 332"1379": ; preds = %"23" 333 unreachable 334 335"1386": ; preds = %"23" 336 unreachable 337 338"1394": ; preds = %"23" 339 unreachable 340 341"1395": ; preds = %"23" 342 unreachable 343 344"1425": ; preds = %"23" 345 unreachable 346 347"1426": ; preds = %"23" 348 unreachable 349 350"1440": ; preds = %"23" 351 unreachable 352 353"1449": ; preds = %"23" 354 unreachable 355 356"1455": ; preds = %"23" 357 unreachable 358 359"1461": ; preds = %"23" 360 unreachable 361 362"1471": ; preds = %"23" 363 unreachable 364 365"1482": ; preds = %"23" 366 unreachable 367 368"1484": ; preds = %"23" 369 unreachable 370 371"1486": ; preds = %"23" 372 unreachable 373 374"1489": ; preds = %"23", %"23" 375 unreachable 376 377"1492": ; preds = %"23" 378 unreachable 379 380"1494": ; preds = %"23", %"23" 381 unreachable 382 383"1497": ; preds = %"23" 384 unreachable 385 386"1499": ; preds = %"23", %"23" 387 unreachable 388 389"1515": ; preds = %"23" 390 unreachable 391 392"1546": ; preds = %"23", %"23" 393 unreachable 394 395"1566": ; preds = %"23" 396 br i1 undef, label %"1569", label %"1568" 397 398"1568": ; preds = %"1566" 399 unreachable 400 401"1569": ; preds = %"1566" 402 unreachable 403 404"1584": ; preds = %"23" 405 unreachable 406 407"1587": ; preds = %"23" 408 unreachable 409 410"1591": ; preds = %"23" 411 unreachable 412 413"1605": ; preds = %"23" 414 unreachable 415 416"1609": ; preds = %"23", %"23" 417 unreachable 418 419"1640": ; preds = %"23" 420 unreachable 421 422"1648": ; preds = %"23" 423 unreachable 424 425"1651": ; preds = %"23" 426 unreachable 427 428"1703": ; preds = %"23" 429 unreachable 430 431"1710": ; preds = %"23" 432 unreachable 433 434"1718": ; preds = %"23" 435 unreachable 436 437"1724": ; preds = %"23" 438 unreachable 439 440"1725": ; preds = %"23" 441 unreachable 442 443"1726": ; preds = %"23" 444 unreachable 445 446"1727": ; preds = %"23" 447 unreachable 448 449"1728": ; preds = %"23" 450 unreachable 451 452"1731": ; preds = %"23" 453 unreachable 454 455"1732": ; preds = %"23" 456 unreachable 457 458"1733": ; preds = %"23" 459 unreachable 460 461"1734": ; preds = %"23" 462 unreachable 463 464"1735": ; preds = %"23" 465 unreachable 466 467"1741": ; preds = %"23" 468 unreachable 469 470"1750": ; preds = %"23" 471 unreachable 472 473"1752": ; preds = %"23" 474 unreachable 475 476"1754": ; preds = %"23" 477 unreachable 478 479"1755": ; preds = %"23" 480 unreachable 481 482"1757": ; preds = %"23" 483 unreachable 484 485"1759": ; preds = %"23" 486 unreachable 487 488"1761": ; preds = %"23" 489 unreachable 490 491"1764": ; preds = %"23", %"23" 492 %2 = icmp eq i32 %0, 168 ; <i1> [#uses=0] 493 unreachable 494 495"1766": ; preds = %"23" 496 unreachable 497 498"1768": ; preds = %"23" 499 unreachable 500 501"1775": ; preds = %"23", %"23" 502 unreachable 503 504"1781": ; preds = %"23", %"23" 505 unreachable 506 507"1790": ; preds = %"23" 508 unreachable 509 510"1827": ; preds = %"23" 511 unreachable 512 513"1836": ; preds = %"23", %"23" 514 br label %"1862" 515 516"1845": ; preds = %"23", %"23" 517 unreachable 518 519"1848": ; preds = %"23" 520 unreachable 521 522"1849": ; preds = %"23" 523 unreachable 524 525"1851": ; preds = %"23" 526 unreachable 527 528"1853": ; preds = %"23" 529 unreachable 530 531"1856": ; preds = %"23" 532 unreachable 533 534"1861": ; preds = %"23", %"23" 535 unreachable 536 537"41": ; preds = %"23", %"23" 538 unreachable 539 540"1862": ; preds = %"1836", %"692" 541 unreachable 542} 543