1 ; Just a test case for a crash reported in 2 ; https://bugs.llvm.org/show_bug.cgi?id=33636 3 ; RUN: llc -mtriple=powerpc64le-unknown-unknown -mcpu=pwr8 < %s | FileCheck %s 4 @g_225 = external unnamed_addr global i16, align 2 5 @g_756 = external global [6 x i32], align 4 6 @g_3456 = external global i32, align 4 7 @g_3708 = external global [9 x i32], align 4 8 @g_1252 = external global i8*, align 8 9 @g_3043 = external global float*, align 8 10 11 ; Function Attrs: nounwind 12 define void @main() { 13 br i1 undef, label %1, label %4 14 15 ; <label>:1: ; preds = %0 16 br i1 undef, label %2, label %3 17 18 ; <label>:2: ; preds = %1 19 br label %3 20 21 ; <label>:3: ; preds = %2, %1 22 br label %4 23 24 ; <label>:4: ; preds = %3, %0 25 br label %5 26 27 ; <label>:5: ; preds = %5, %4 28 br i1 undef, label %6, label %5 29 30 ; <label>:6: ; preds = %5 31 br i1 undef, label %7, label %8 32 33 ; <label>:7: ; preds = %6 34 br i1 undef, label %70, label %69 35 36 ; <label>:8: ; preds = %6 37 br i1 undef, label %9, label %50 38 39 ; <label>:9: ; preds = %8 40 br label %11 41 42 ; <label>:10: ; preds = %28 43 br i1 undef, label %11, label %12 44 45 ; <label>:11: ; preds = %10, %9 46 br label %13 47 48 ; <label>:12: ; preds = %10 49 br label %30 50 51 ; <label>:13: ; preds = %23, %11 52 br i1 undef, label %17, label %14 53 54 ; <label>:14: ; preds = %13 55 br i1 undef, label %16, label %15 56 57 ; <label>:15: ; preds = %14 58 br label %22 59 60 ; <label>:16: ; preds = %14 61 br label %17 62 63 ; <label>:17: ; preds = %16, %13 64 br i1 undef, label %18, label %19 65 66 ; <label>:18: ; preds = %17 67 br label %19 68 69 ; <label>:19: ; preds = %18, %17 70 br i1 undef, label %48, label %20 71 72 ; <label>:20: ; preds = %19 73 br i1 undef, label %48, label %21 74 75 ; <label>:21: ; preds = %20 76 br label %22 77 78 ; <label>:22: ; preds = %21, %15 79 br i1 undef, label %23, label %24 80 81 ; <label>:23: ; preds = %22 82 br label %13 83 84 ; <label>:24: ; preds = %22 85 br i1 undef, label %28, label %25 86 87 ; <label>:25: ; preds = %24 88 br label %26 89 90 ; <label>:26: ; preds = %26, %25 91 br i1 undef, label %26, label %27 92 93 ; <label>:27: ; preds = %26 94 br label %48 95 96 ; <label>:28: ; preds = %24 97 br i1 undef, label %29, label %10 98 99 ; <label>:29: ; preds = %28 100 br label %48 101 102 ; <label>:30: ; preds = %33, %12 103 br i1 undef, label %32, label %33 104 105 ; <label>:31: ; preds = %33 106 br label %34 107 108 ; <label>:32: ; preds = %30 109 br label %33 110 111 ; <label>:33: ; preds = %32, %30 112 br i1 undef, label %30, label %31 113 114 ; <label>:34: ; preds = %47, %31 115 br i1 undef, label %35, label %36 116 117 ; <label>:35: ; preds = %34 118 br label %36 119 120 ; <label>:36: ; preds = %35, %34 121 br label %37 122 123 ; <label>:37: ; preds = %45, %36 124 br i1 undef, label %40, label %38 125 126 ; <label>:38: ; preds = %37 127 br i1 undef, label %39, label %46 128 129 ; <label>:39: ; preds = %38 130 br label %41 131 132 ; <label>:40: ; preds = %37 133 br label %41 134 135 ; <label>:41: ; preds = %40, %39 136 br label %42 137 138 ; <label>:42: ; preds = %44, %41 139 br i1 undef, label %43, label %44 140 141 ; <label>:43: ; preds = %42 142 br label %44 143 144 ; <label>:44: ; preds = %43, %42 145 br i1 undef, label %42, label %45 146 147 ; <label>:45: ; preds = %44 148 br i1 undef, label %37, label %47 149 150 ; <label>:46: ; preds = %38 151 br label %48 152 153 ; <label>:47: ; preds = %45 154 br i1 undef, label %34, label %49 155 156 ; <label>:48: ; preds = %46, %29, %27, %20, %19 157 br label %65 158 159 ; <label>:49: ; preds = %47 160 br label %58 161 162 ; <label>:50: ; preds = %8 163 br i1 undef, label %52, label %51 164 165 ; <label>:51: ; preds = %50 166 br label %57 167 168 ; <label>:52: ; preds = %50 169 br label %53 170 171 ; <label>:53: ; preds = %56, %52 172 br i1 undef, label %54, label %59 173 174 ; <label>:54: ; preds = %53 175 br i1 undef, label %60, label %59 176 177 ; <label>:55: ; preds = %64 178 br label %56 179 180 ; <label>:56: ; preds = %64, %55 181 br i1 undef, label %57, label %53 182 183 ; <label>:57: ; preds = %56, %51 184 br label %58 185 186 ; <label>:58: ; preds = %57, %49 187 br label %65 188 189 ; <label>:59: ; preds = %63, %62, %61, %60, %54, %53 190 br label %65 191 192 ; <label>:60: ; preds = %54 193 br i1 undef, label %61, label %59 194 195 ; <label>:61: ; preds = %60 196 br i1 undef, label %62, label %59 197 198 ; <label>:62: ; preds = %61 199 br i1 undef, label %63, label %59 200 201 ; <label>:63: ; preds = %62 202 br i1 undef, label %64, label %59 203 204 ; <label>:64: ; preds = %63 205 br i1 undef, label %55, label %56 206 207 ; <label>:65: ; preds = %59, %58, %48 208 br i1 undef, label %66, label %67 209 210 ; <label>:66: ; preds = %65 211 br label %67 212 213 ; <label>:67: ; preds = %66, %65 214 br i1 undef, label %68, label %92 215 216 ; <label>:68: ; preds = %67 217 br label %92 218 219 ; <label>:69: ; preds = %7 220 br label %70 221 222 ; <label>:70: ; preds = %69, %7 223 br i1 undef, label %72, label %71 224 225 ; <label>:71: ; preds = %70 226 br label %72 227 228 ; <label>:72: ; preds = %71, %70 229 br i1 undef, label %73, label %74 230 231 ; <label>:73: ; preds = %72 232 br label %74 233 234 ; <label>:74: ; preds = %73, %72 235 br i1 undef, label %85, label %75 236 237 ; <label>:75: ; preds = %74 238 br i1 undef, label %84, label %76 239 240 ; <label>:76: ; preds = %75 241 br i1 undef, label %78, label %77 242 243 ; <label>:77: ; preds = %77, %76 244 br i1 undef, label %84, label %77 245 246 ; <label>:78: ; preds = %76 247 br label %79 248 249 ; <label>:79: ; preds = %83, %78 250 br i1 undef, label %83, label %80 251 252 ; <label>:80: ; preds = %79 253 br i1 undef, label %81, label %82 254 255 ; <label>:81: ; preds = %80 256 br label %83 257 258 ; <label>:82: ; preds = %80 259 br label %83 260 261 ; <label>:83: ; preds = %82, %81, %79 262 br i1 undef, label %90, label %79 263 264 ; <label>:84: ; preds = %77, %75 265 br label %92 266 267 ; <label>:85: ; preds = %74 268 br i1 undef, label %86, label %88 269 270 ; <label>:86: ; preds = %85 271 br i1 undef, label %89, label %87 272 273 ; <label>:87: ; preds = %86 274 br i1 undef, label %89, label %88 275 276 ; <label>:88: ; preds = %87, %85 277 br label %89 278 279 ; <label>:89: ; preds = %88, %87, %86 280 br label %92 281 282 ; <label>:90: ; preds = %83 283 br i1 undef, label %92, label %91 284 285 ; <label>:91: ; preds = %90 286 br label %92 287 288 ; <label>:92: ; preds = %91, %90, %89, %84, %68, %67 289 br label %93 290 291 ; <label>:93: ; preds = %100, %92 292 br label %94 293 294 ; <label>:94: ; preds = %98, %93 295 br label %95 296 297 ; <label>:95: ; preds = %97, %94 298 br i1 undef, label %96, label %97 299 300 ; <label>:96: ; preds = %95 301 br label %97 302 303 ; <label>:97: ; preds = %96, %95 304 br i1 undef, label %95, label %98 305 306 ; <label>:98: ; preds = %97 307 store i32 7, i32* getelementptr inbounds ([9 x i32], [9 x i32]* @g_3708, i64 0, i64 7), align 4 308 %99 = load volatile i32, i32* @g_3456, align 4 309 br i1 undef, label %94, label %100 310 311 ; <label>:100: ; preds = %98 312 br i1 undef, label %93, label %101 313 314 ; <label>:101: ; preds = %100 315 br label %102 316 317 ; <label>:102: ; preds = %117, %101 318 br label %103 319 320 ; <label>:103: ; preds = %109, %102 321 store i8** @g_1252, i8*** undef, align 8 322 br i1 undef, label %105, label %104 323 324 ; <label>:104: ; preds = %103 325 br label %105 326 327 ; <label>:105: ; preds = %104, %103 328 %106 = icmp eq i32 0, 0 329 br i1 %106, label %107, label %116 330 331 ; <label>:107: ; preds = %105 332 br i1 icmp ne (i32* getelementptr inbounds ([6 x i32], [6 x i32]* @g_756, i64 0, i64 0), i32* getelementptr inbounds ([9 x i32], [9 x i32]* @g_3708, i64 0, i64 4)), label %109, label %108 333 334 ; <label>:108: ; preds = %107 335 br label %109 336 337 ; <label>:109: ; preds = %108, %107 338 %110 = phi i32 [ sdiv (i32 32, i32 zext (i1 icmp eq (i32* getelementptr inbounds ([6 x i32], [6 x i32]* @g_756, i64 0, i64 0), i32* getelementptr inbounds ([9 x i32], [9 x i32]* @g_3708, i64 0, i64 4)) to i32)), %108 ], [ 32, %107 ] 339 %111 = trunc i32 %110 to i8 340 %112 = icmp ne i8 %111, 0 341 %113 = and i1 %112, icmp eq (i32* getelementptr inbounds ([6 x i32], [6 x i32]* @g_756, i64 0, i64 0), i32* getelementptr inbounds ([9 x i32], [9 x i32]* @g_3708, i64 0, i64 4)) 342 %114 = zext i1 %113 to i16 343 store i16 %114, i16* @g_225, align 2 344 %115 = load volatile float*, float** @g_3043, align 8 345 br i1 undef, label %103, label %117 346 347 ; <label>:116: ; preds = %105 348 br label %119 349 350 ; <label>:117: ; preds = %109 351 br i1 undef, label %102, label %118 352 353 ; <label>:118: ; preds = %117 354 br label %119 355 356 ; <label>:119: ; preds = %118, %116 357 br i1 undef, label %120, label %231 358 359 ; <label>:120: ; preds = %119 360 br label %232 361 362 ; <label>:121: ; preds = %230 363 br label %122 364 365 ; <label>:122: ; preds = %230, %121 366 br i1 undef, label %124, label %123 367 368 ; <label>:123: ; preds = %122 369 br label %124 370 371 ; <label>:124: ; preds = %123, %122 372 br i1 undef, label %228, label %225 373 374 ; <label>:125: ; preds = %218 375 br label %127 376 377 ; <label>:126: ; preds = %218 378 br label %127 379 380 ; <label>:127: ; preds = %216, %126, %125 381 br i1 undef, label %204, label %128 382 383 ; <label>:128: ; preds = %127 384 br label %205 385 386 ; <label>:129: ; preds = %216 387 br i1 undef, label %131, label %130 388 389 ; <label>:130: ; preds = %129 390 br label %131 391 392 ; <label>:131: ; preds = %130, %129 393 br i1 undef, label %133, label %132 394 395 ; <label>:132: ; preds = %131 396 br label %133 397 398 ; <label>:133: ; preds = %132, %131 399 br label %134 400 401 ; <label>:134: ; preds = %203, %133 402 br i1 undef, label %193, label %135 403 404 ; <label>:135: ; preds = %134 405 br label %194 406 407 ; <label>:136: ; preds = %203 408 br i1 undef, label %138, label %137 409 410 ; <label>:137: ; preds = %136 411 br label %138 412 413 ; <label>:138: ; preds = %137, %136 414 br i1 undef, label %192, label %139 415 416 ; <label>:139: ; preds = %138 417 br label %191 418 419 ; <label>:140: ; preds = %191, %190 420 br i1 undef, label %180, label %141 421 422 ; <label>:141: ; preds = %140 423 br label %181 424 425 ; <label>:142: ; preds = %190 426 br i1 undef, label %143, label %178 427 428 ; <label>:143: ; preds = %142 429 br label %179 430 431 ; <label>:144: ; preds = %179 432 br label %176 433 434 ; <label>:145: ; preds = %179 435 br label %176 436 437 ; <label>:146: ; preds = %177, %175, %174 438 br i1 undef, label %165, label %147 439 440 ; <label>:147: ; preds = %146 441 br label %166 442 443 ; <label>:148: ; preds = %174 444 br label %149 445 446 ; <label>:149: ; preds = %164, %148 447 br i1 undef, label %154, label %150 448 449 ; <label>:150: ; preds = %149 450 br label %155 451 452 ; <label>:151: ; preds = %164 453 br i1 undef, label %153, label %152 454 455 ; <label>:152: ; preds = %151 456 br label %153 457 458 ; <label>:153: ; preds = %152, %151 459 ret void 460 461 ; <label>:154: ; preds = %149 462 br label %155 463 464 ; <label>:155: ; preds = %154, %150 465 br i1 undef, label %157, label %156 466 467 ; <label>:156: ; preds = %155 468 br label %158 469 470 ; <label>:157: ; preds = %155 471 br label %158 472 473 ; <label>:158: ; preds = %157, %156 474 br i1 undef, label %160, label %159 475 476 ; <label>:159: ; preds = %158 477 br label %161 478 479 ; <label>:160: ; preds = %158 480 br label %161 481 482 ; <label>:161: ; preds = %160, %159 483 br i1 undef, label %163, label %162 484 485 ; <label>:162: ; preds = %161 486 br label %164 487 488 ; <label>:163: ; preds = %161 489 br label %164 490 491 ; <label>:164: ; preds = %163, %162 492 br i1 undef, label %151, label %149 493 494 ; <label>:165: ; preds = %146 495 br label %166 496 497 ; <label>:166: ; preds = %165, %147 498 br i1 undef, label %168, label %167 499 500 ; <label>:167: ; preds = %166 501 br label %169 502 503 ; <label>:168: ; preds = %166 504 br label %169 505 506 ; <label>:169: ; preds = %168, %167 507 br i1 undef, label %171, label %170 508 509 ; <label>:170: ; preds = %169 510 br label %172 511 512 ; <label>:171: ; preds = %169 513 br label %172 514 515 ; <label>:172: ; preds = %171, %170 516 br i1 undef, label %174, label %173 517 518 ; <label>:173: ; preds = %172 519 br label %174 520 521 ; <label>:174: ; preds = %173, %172 522 br i1 undef, label %148, label %146 523 524 ; <label>:175: ; preds = %176 525 br label %146 526 527 ; <label>:176: ; preds = %145, %144 528 br i1 undef, label %177, label %175 529 530 ; <label>:177: ; preds = %176 531 br label %146 532 533 ; <label>:178: ; preds = %142 534 br label %179 535 536 ; <label>:179: ; preds = %178, %143 537 br i1 undef, label %145, label %144 538 539 ; <label>:180: ; preds = %140 540 br label %181 541 542 ; <label>:181: ; preds = %180, %141 543 br i1 undef, label %183, label %182 544 545 ; <label>:182: ; preds = %181 546 br label %184 547 548 ; <label>:183: ; preds = %181 549 br label %184 550 551 ; <label>:184: ; preds = %183, %182 552 br i1 undef, label %186, label %185 553 554 ; <label>:185: ; preds = %184 555 br label %187 556 557 ; <label>:186: ; preds = %184 558 br label %187 559 560 ; <label>:187: ; preds = %186, %185 561 br i1 undef, label %189, label %188 562 563 ; <label>:188: ; preds = %187 564 br label %190 565 566 ; <label>:189: ; preds = %187 567 br label %190 568 569 ; <label>:190: ; preds = %189, %188 570 br i1 undef, label %142, label %140 571 572 ; <label>:191: ; preds = %192, %139 573 br label %140 574 575 ; <label>:192: ; preds = %138 576 br label %191 577 578 ; <label>:193: ; preds = %134 579 br label %194 580 581 ; <label>:194: ; preds = %193, %135 582 br i1 undef, label %196, label %195 583 584 ; <label>:195: ; preds = %194 585 br label %197 586 587 ; <label>:196: ; preds = %194 588 br label %197 589 590 ; <label>:197: ; preds = %196, %195 591 br i1 undef, label %199, label %198 592 593 ; <label>:198: ; preds = %197 594 br label %200 595 596 ; <label>:199: ; preds = %197 597 br label %200 598 599 ; <label>:200: ; preds = %199, %198 600 br i1 undef, label %202, label %201 601 602 ; <label>:201: ; preds = %200 603 br label %203 604 605 ; <label>:202: ; preds = %200 606 br label %203 607 608 ; <label>:203: ; preds = %202, %201 609 br i1 undef, label %136, label %134 610 611 ; <label>:204: ; preds = %127 612 br label %205 613 614 ; <label>:205: ; preds = %204, %128 615 br i1 undef, label %207, label %206 616 617 ; <label>:206: ; preds = %205 618 br label %208 619 620 ; <label>:207: ; preds = %205 621 br label %208 622 623 ; <label>:208: ; preds = %207, %206 624 br i1 undef, label %210, label %209 625 626 ; <label>:209: ; preds = %208 627 br label %211 628 629 ; <label>:210: ; preds = %208 630 br label %211 631 632 ; <label>:211: ; preds = %210, %209 633 br i1 undef, label %213, label %212 634 635 ; <label>:212: ; preds = %211 636 br label %214 637 638 ; <label>:213: ; preds = %211 639 br label %214 640 641 ; <label>:214: ; preds = %213, %212 642 br i1 undef, label %216, label %215 643 644 ; <label>:215: ; preds = %214 645 br label %216 646 647 ; <label>:216: ; preds = %215, %214 648 br i1 undef, label %129, label %127 649 650 ; <label>:217: ; preds = %220 651 br label %218 652 653 ; <label>:218: ; preds = %221, %217 654 br i1 undef, label %126, label %125 655 656 ; <label>:219: ; preds = %223 657 br label %220 658 659 ; <label>:220: ; preds = %224, %219 660 br i1 undef, label %221, label %217 661 662 ; <label>:221: ; preds = %220 663 br label %218 664 665 ; <label>:222: ; preds = %226 666 br label %223 667 668 ; <label>:223: ; preds = %227, %222 669 br i1 undef, label %224, label %219 670 671 ; <label>:224: ; preds = %223 672 br label %220 673 674 ; <label>:225: ; preds = %124 675 br label %226 676 677 ; <label>:226: ; preds = %228, %225 678 br i1 undef, label %227, label %222 679 680 ; <label>:227: ; preds = %226 681 br label %223 682 683 ; <label>:228: ; preds = %124 684 br label %226 685 686 ; <label>:229: ; preds = %232 687 br label %230 688 689 ; <label>:230: ; preds = %233, %229 690 br i1 undef, label %122, label %121 691 692 ; <label>:231: ; preds = %119 693 br label %232 694 695 ; <label>:232: ; preds = %231, %120 696 br i1 undef, label %233, label %229 697 698 ; <label>:233: ; preds = %232 699 br label %230 700 701 ; CHECK: blr 702 } 703
