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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902
|
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s
; This test set ensures that we can correctly operate with recurrencies from
; different loops.
; Check that we can evaluate a sum of phis from two different loops in any
; order.
define void @test_00(i1 %arg) {
; CHECK-LABEL: 'test_00'
; CHECK-NEXT: Classifying expressions for: @test_00
; CHECK-NEXT: %phi1 = phi i32 [ 10, %entry ], [ %phi1.inc, %loop1 ]
; CHECK-NEXT: --> {10,+,1}<nuw><nsw><%loop1> U: [10,175) S: [10,175) Exits: 174 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi2 = phi i32 [ 4, %entry ], [ %phi2.inc, %loop1 ]
; CHECK-NEXT: --> {4,+,2}<nuw><nsw><%loop1> U: [4,333) S: [4,333) Exits: 332 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi3 = phi i32 [ 6, %entry ], [ %phi3.inc, %loop1 ]
; CHECK-NEXT: --> {6,+,3}<nuw><nsw><%loop1> U: [6,499) S: [6,499) Exits: 498 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi1.inc = add i32 %phi1, 1
; CHECK-NEXT: --> {11,+,1}<nuw><nsw><%loop1> U: [11,176) S: [11,176) Exits: 175 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi2.inc = add i32 %phi2, 2
; CHECK-NEXT: --> {6,+,2}<nuw><nsw><%loop1> U: [6,335) S: [6,335) Exits: 334 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi3.inc = add i32 %phi3, 3
; CHECK-NEXT: --> {9,+,3}<nuw><nsw><%loop1> U: [9,502) S: [9,502) Exits: 501 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %sum1 = add i32 %phi1, %phi2
; CHECK-NEXT: --> {14,+,3}<%loop1> U: [14,507) S: [14,507) Exits: 506 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %sum2 = add i32 %sum1, %phi3
; CHECK-NEXT: --> {20,+,6}<%loop1> U: [20,1005) S: [20,1005) Exits: 1004 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi4 = phi i32 [ 63, %loop1 ], [ %phi4.inc, %loop2 ]
; CHECK-NEXT: --> {63,+,1}<nuw><nsw><%loop2> U: [63,205) S: [63,205) Exits: 204 LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi5 = phi i32 [ 53, %loop1 ], [ %phi5.inc, %loop2 ]
; CHECK-NEXT: --> {53,+,2}<nuw><nsw><%loop2> U: [53,336) S: [53,336) Exits: 335 LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi6 = phi i32 [ 43, %loop1 ], [ %phi6.inc, %loop2 ]
; CHECK-NEXT: --> {43,+,3}<nuw><nsw><%loop2> U: [43,467) S: [43,467) Exits: 466 LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi4.inc = add i32 %phi4, 1
; CHECK-NEXT: --> {64,+,1}<nuw><nsw><%loop2> U: [64,206) S: [64,206) Exits: 205 LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi5.inc = add i32 %phi5, 2
; CHECK-NEXT: --> {55,+,2}<nuw><nsw><%loop2> U: [55,338) S: [55,338) Exits: 337 LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi6.inc = add i32 %phi6, 3
; CHECK-NEXT: --> {46,+,3}<nuw><nsw><%loop2> U: [46,470) S: [46,470) Exits: 469 LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %sum3 = add i32 %phi4, %phi5
; CHECK-NEXT: --> {116,+,3}<%loop2> U: [116,540) S: [116,540) Exits: 539 LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %sum4 = add i32 %sum3, %phi6
; CHECK-NEXT: --> {159,+,6}<%loop2> U: [159,1006) S: [159,1006) Exits: 1005 LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %s1 = add i32 %phi1, %phi4
; CHECK-NEXT: --> {{\{\{}}73,+,1}<nuw><nsw><%loop1>,+,1}<nw><%loop2> U: [73,379) S: [73,379) --> 378 U: [378,379) S: [378,379)
; CHECK-NEXT: %s2 = add i32 %phi5, %phi2
; CHECK-NEXT: --> {{\{\{}}57,+,2}<nuw><nsw><%loop1>,+,2}<nw><%loop2> U: [57,668) S: [57,668) --> 667 U: [667,668) S: [667,668)
; CHECK-NEXT: %s3 = add i32 %sum1, %sum3
; CHECK-NEXT: --> {{\{\{}}130,+,3}<%loop1>,+,3}<%loop2> U: [130,1046) S: [130,1046) --> 1045 U: [1045,1046) S: [1045,1046)
; CHECK-NEXT: %s4 = add i32 %sum4, %sum2
; CHECK-NEXT: --> {{\{\{}}179,+,6}<%loop1>,+,6}<%loop2> U: [179,2010) S: [179,2010) --> 2009 U: [2009,2010) S: [2009,2010)
; CHECK-NEXT: %s5 = add i32 %phi3, %sum3
; CHECK-NEXT: --> {{\{\{}}122,+,3}<nuw><nsw><%loop1>,+,3}<%loop2> U: [122,1038) S: [122,1038) --> 1037 U: [1037,1038) S: [1037,1038)
; CHECK-NEXT: %s6 = add i32 %sum2, %phi6
; CHECK-NEXT: --> {{\{\{}}63,+,6}<%loop1>,+,3}<nw><%loop2> U: [63,1471) S: [63,1471) --> 1470 U: [1470,1471) S: [1470,1471)
; CHECK-NEXT: Determining loop execution counts for: @test_00
; CHECK-NEXT: Loop %loop2: backedge-taken count is i32 141
; CHECK-NEXT: Loop %loop2: constant max backedge-taken count is i32 141
; CHECK-NEXT: Loop %loop2: symbolic max backedge-taken count is i32 141
; CHECK-NEXT: Loop %loop2: Trip multiple is 142
; CHECK-NEXT: Loop %loop1: backedge-taken count is i32 164
; CHECK-NEXT: Loop %loop1: constant max backedge-taken count is i32 164
; CHECK-NEXT: Loop %loop1: symbolic max backedge-taken count is i32 164
; CHECK-NEXT: Loop %loop1: Trip multiple is 165
;
entry:
br label %loop1
loop1:
%phi1 = phi i32 [ 10, %entry ], [ %phi1.inc, %loop1 ]
%phi2 = phi i32 [ 4, %entry ], [ %phi2.inc, %loop1 ]
%phi3 = phi i32 [ 6, %entry ], [ %phi3.inc, %loop1 ]
%phi1.inc = add i32 %phi1, 1
%phi2.inc = add i32 %phi2, 2
%phi3.inc = add i32 %phi3, 3
%sum1 = add i32 %phi1, %phi2
%sum2 = add i32 %sum1, %phi3
%cond1 = icmp ult i32 %sum2, 1000
br i1 %cond1, label %loop1, label %loop2
loop2:
%phi4 = phi i32 [ 63, %loop1 ], [ %phi4.inc, %loop2 ]
%phi5 = phi i32 [ 53, %loop1 ], [ %phi5.inc, %loop2 ]
%phi6 = phi i32 [ 43, %loop1 ], [ %phi6.inc, %loop2 ]
%phi4.inc = add i32 %phi4, 1
%phi5.inc = add i32 %phi5, 2
%phi6.inc = add i32 %phi6, 3
%sum3 = add i32 %phi4, %phi5
%sum4 = add i32 %sum3, %phi6
%cond2 = icmp ult i32 %sum4, 1000
br i1 %cond2, label %loop2, label %exit
exit:
%s1 = add i32 %phi1, %phi4
%s2 = add i32 %phi5, %phi2
%s3 = add i32 %sum1, %sum3
%s4 = add i32 %sum4, %sum2
%s5 = add i32 %phi3, %sum3
%s6 = add i32 %sum2, %phi6
ret void
}
; Check that we can evaluate a sum of phis+invariants from two different loops
; in any order.
define void @test_01(i32 %a, i32 %b) {
; CHECK-LABEL: 'test_01'
; CHECK-NEXT: Classifying expressions for: @test_01
; CHECK-NEXT: %phi1 = phi i32 [ %a, %entry ], [ %phi1.inc, %loop1 ]
; CHECK-NEXT: --> {%a,+,1}<nw><%loop1> U: full-set S: full-set Exits: (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))) + %a) LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi2 = phi i32 [ %b, %entry ], [ %phi2.inc, %loop1 ]
; CHECK-NEXT: --> {%b,+,2}<nw><%loop1> U: full-set S: full-set Exits: ((2 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))<nuw><nsw> + %b) LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi3 = phi i32 [ 6, %entry ], [ %phi3.inc, %loop1 ]
; CHECK-NEXT: --> {6,+,3}<nuw><nsw><%loop1> U: [6,508) S: [6,508) Exits: (6 + (3 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))<nuw>)<nuw> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi1.inc = add i32 %phi1, 1
; CHECK-NEXT: --> {(1 + %a),+,1}<nw><%loop1> U: full-set S: full-set Exits: (1 + ((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))) + %a) LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi2.inc = add i32 %phi2, 2
; CHECK-NEXT: --> {(2 + %b),+,2}<nw><%loop1> U: full-set S: full-set Exits: (2 + (2 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))<nuw><nsw> + %b) LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi3.inc = add i32 %phi3, 3
; CHECK-NEXT: --> {9,+,3}<nuw><nsw><%loop1> U: [9,511) S: [9,511) Exits: (9 + (3 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))<nuw>)<nuw> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %sum1 = add i32 %phi1, %phi2
; CHECK-NEXT: --> {(%a + %b),+,3}<%loop1> U: full-set S: full-set Exits: ((3 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))<nuw> + %a + %b) LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %sum2 = add i32 %sum1, %phi3
; CHECK-NEXT: --> {(6 + %a + %b),+,6}<%loop1> U: full-set S: full-set Exits: (6 + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + %a + %b) LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %is1 = add i32 %sum2, %a
; CHECK-NEXT: --> {(6 + (2 * %a) + %b),+,6}<%loop1> U: full-set S: full-set Exits: (6 + (2 * %a) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + %b) LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi4 = phi i32 [ 63, %loop1 ], [ %phi4.inc, %loop2 ]
; CHECK-NEXT: --> {63,+,1}<nuw><nsw><%loop2> U: [63,231) S: [63,231) Exits: (63 + ((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))) LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi5 = phi i32 [ 53, %loop1 ], [ %phi5.inc, %loop2 ]
; CHECK-NEXT: --> {53,+,2}<nuw><nsw><%loop2> U: [53,388) S: [53,388) Exits: (53 + (2 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))<nuw><nsw>)<nuw><nsw> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi6 = phi i32 [ 43, %loop1 ], [ %phi6.inc, %loop2 ]
; CHECK-NEXT: --> {43,+,3}<nuw><nsw><%loop2> U: [43,545) S: [43,545) Exits: (43 + (3 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))<nuw>)<nuw> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi4.inc = add i32 %phi4, 1
; CHECK-NEXT: --> {64,+,1}<nuw><nsw><%loop2> U: [64,232) S: [64,232) Exits: (64 + ((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))) LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi5.inc = add i32 %phi5, 2
; CHECK-NEXT: --> {55,+,2}<nuw><nsw><%loop2> U: [55,390) S: [55,390) Exits: (55 + (2 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))<nuw><nsw>)<nuw><nsw> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi6.inc = add i32 %phi6, 3
; CHECK-NEXT: --> {46,+,3}<nuw><nsw><%loop2> U: [46,548) S: [46,548) Exits: (46 + (3 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))<nuw>)<nuw> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %sum3 = add i32 %phi4, %phi5
; CHECK-NEXT: --> {116,+,3}<%loop2> U: [116,618) S: [116,618) Exits: (116 + (3 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))<nuw>)<nuw> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %sum4 = add i32 %sum3, %phi6
; CHECK-NEXT: --> {159,+,6}<%loop2> U: [159,1162) S: [159,1162) Exits: (159 + (6 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))) LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %is2 = add i32 %sum4, %b
; CHECK-NEXT: --> {(159 + %b),+,6}<%loop2> U: full-set S: full-set Exits: (159 + (6 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))) + %b) LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %ec2 = add i32 %is1, %is2
; CHECK-NEXT: --> {{\{\{}}(165 + (2 * %a) + (2 * %b)),+,6}<%loop1>,+,6}<%loop2> U: full-set S: full-set --> {(165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))),+,6}<%loop2> U: full-set S: full-set Exits: (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (6 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))) LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %s1 = add i32 %phi1, %is1
; CHECK-NEXT: --> {(6 + (3 * %a) + %b),+,7}<%loop1> U: full-set S: full-set --> (6 + (3 * %a) + (7 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + %b) U: full-set S: full-set
; CHECK-NEXT: %s2 = add i32 %is2, %phi4
; CHECK-NEXT: --> {(222 + %b),+,7}<%loop2> U: full-set S: full-set --> (222 + (7 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))) + %b) U: full-set S: full-set
; CHECK-NEXT: %s3 = add i32 %is1, %phi5
; CHECK-NEXT: --> {{\{\{}}(59 + (2 * %a) + %b),+,6}<%loop1>,+,2}<nw><%loop2> U: full-set S: full-set --> (59 + (2 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))<nuw><nsw> + (2 * %a) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + %b) U: full-set S: full-set
; CHECK-NEXT: %s4 = add i32 %phi2, %is2
; CHECK-NEXT: --> {{\{\{}}(159 + (2 * %b)),+,2}<nw><%loop1>,+,6}<%loop2> U: full-set S: full-set --> (159 + (2 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))<nuw><nsw> + (2 * %b) + (6 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))) U: full-set S: full-set
; CHECK-NEXT: %s5 = add i32 %is1, %is2
; CHECK-NEXT: --> {{\{\{}}(165 + (2 * %a) + (2 * %b)),+,6}<%loop1>,+,6}<%loop2> U: full-set S: full-set --> (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (6 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))) U: full-set S: full-set
; CHECK-NEXT: %s6 = add i32 %is2, %is1
; CHECK-NEXT: --> {{\{\{}}(165 + (2 * %a) + (2 * %b)),+,6}<%loop1>,+,6}<%loop2> U: full-set S: full-set --> (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (6 * (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))))))) U: full-set S: full-set
; CHECK-NEXT: Determining loop execution counts for: @test_01
; CHECK-NEXT: Loop %loop2: backedge-taken count is (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))
; CHECK-NEXT: Loop %loop2: constant max backedge-taken count is i32 167
; CHECK-NEXT: Loop %loop2: symbolic max backedge-taken count is (((-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (-1 * (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))<nuw><nsw> + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))))))))) /u 6) + (1 umin (-165 + (-6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))) + (-2 * %a) + (-2 * %b) + (1000 umax (165 + (2 * %a) + (2 * %b) + (6 * (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))))))))
; CHECK-NEXT: Loop %loop2: Trip multiple is 1
; CHECK-NEXT: Loop %loop1: backedge-taken count is (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))
; CHECK-NEXT: Loop %loop1: constant max backedge-taken count is i32 167
; CHECK-NEXT: Loop %loop1: symbolic max backedge-taken count is (((-6 + (-2 * %a) + (-1 * (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))<nuw><nsw> + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b))) /u 6) + (1 umin (-6 + (-2 * %a) + (-1 * %b) + (1000 umax (6 + (2 * %a) + %b)))))
; CHECK-NEXT: Loop %loop1: Trip multiple is 1
;
entry:
br label %loop1
loop1:
%phi1 = phi i32 [ %a, %entry ], [ %phi1.inc, %loop1 ]
%phi2 = phi i32 [ %b, %entry ], [ %phi2.inc, %loop1 ]
%phi3 = phi i32 [ 6, %entry ], [ %phi3.inc, %loop1 ]
%phi1.inc = add i32 %phi1, 1
%phi2.inc = add i32 %phi2, 2
%phi3.inc = add i32 %phi3, 3
%sum1 = add i32 %phi1, %phi2
%sum2 = add i32 %sum1, %phi3
%is1 = add i32 %sum2, %a
%cond1 = icmp ult i32 %is1, 1000
br i1 %cond1, label %loop1, label %loop2
loop2:
%phi4 = phi i32 [ 63, %loop1 ], [ %phi4.inc, %loop2 ]
%phi5 = phi i32 [ 53, %loop1 ], [ %phi5.inc, %loop2 ]
%phi6 = phi i32 [ 43, %loop1 ], [ %phi6.inc, %loop2 ]
%phi4.inc = add i32 %phi4, 1
%phi5.inc = add i32 %phi5, 2
%phi6.inc = add i32 %phi6, 3
%sum3 = add i32 %phi4, %phi5
%sum4 = add i32 %sum3, %phi6
%is2 = add i32 %sum4, %b
%ec2 = add i32 %is1, %is2
%cond2 = icmp ult i32 %ec2, 1000
br i1 %cond2, label %loop2, label %exit
exit:
%s1 = add i32 %phi1, %is1
%s2 = add i32 %is2, %phi4
%s3 = add i32 %is1, %phi5
%s4 = add i32 %phi2, %is2
%s5 = add i32 %is1, %is2
%s6 = add i32 %is2, %is1
ret void
}
; Check that we can correctly evaluate a sum of phis+variants from two different
; loops in any order.
define void @test_02(i32 %a, i32 %b, ptr %p) {
; CHECK-LABEL: 'test_02'
; CHECK-NEXT: Classifying expressions for: @test_02
; CHECK-NEXT: %phi1 = phi i32 [ %a, %entry ], [ %phi1.inc, %loop1 ]
; CHECK-NEXT: --> {%a,+,1}<%loop1> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi2 = phi i32 [ %b, %entry ], [ %phi2.inc, %loop1 ]
; CHECK-NEXT: --> {%b,+,2}<%loop1> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi3 = phi i32 [ 6, %entry ], [ %phi3.inc, %loop1 ]
; CHECK-NEXT: --> {6,+,3}<%loop1> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi1.inc = add i32 %phi1, 1
; CHECK-NEXT: --> {(1 + %a),+,1}<%loop1> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi2.inc = add i32 %phi2, 2
; CHECK-NEXT: --> {(2 + %b),+,2}<%loop1> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi3.inc = add i32 %phi3, 3
; CHECK-NEXT: --> {9,+,3}<%loop1> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %v1 = load i32, ptr %p, align 4
; CHECK-NEXT: --> %v1 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Variant }
; CHECK-NEXT: %sum1 = add i32 %phi1, %phi2
; CHECK-NEXT: --> {(%a + %b),+,3}<%loop1> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %sum2 = add i32 %sum1, %phi3
; CHECK-NEXT: --> {(6 + %a + %b),+,6}<%loop1> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %is1 = add i32 %sum2, %v1
; CHECK-NEXT: --> ({(6 + %a + %b),+,6}<%loop1> + %v1) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Variant }
; CHECK-NEXT: %phi4 = phi i32 [ %a, %loop1 ], [ %phi4.inc, %loop2 ]
; CHECK-NEXT: --> {%a,+,1}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi5 = phi i32 [ %b, %loop1 ], [ %phi5.inc, %loop2 ]
; CHECK-NEXT: --> {%b,+,2}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi6 = phi i32 [ 43, %loop1 ], [ %phi6.inc, %loop2 ]
; CHECK-NEXT: --> {43,+,3}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi4.inc = add i32 %phi4, 1
; CHECK-NEXT: --> {(1 + %a),+,1}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi5.inc = add i32 %phi5, 2
; CHECK-NEXT: --> {(2 + %b),+,2}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi6.inc = add i32 %phi6, 3
; CHECK-NEXT: --> {46,+,3}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %v2 = load i32, ptr %p, align 4
; CHECK-NEXT: --> %v2 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %sum3 = add i32 %phi4, %phi5
; CHECK-NEXT: --> {(%a + %b),+,3}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %sum4 = add i32 %sum3, %phi6
; CHECK-NEXT: --> {(43 + %a + %b),+,6}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %is2 = add i32 %sum4, %v2
; CHECK-NEXT: --> ({(43 + %a + %b),+,6}<%loop2> + %v2) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %is3 = add i32 %v1, %sum2
; CHECK-NEXT: --> ({(6 + %a + %b),+,6}<%loop1> + %v1) U: full-set S: full-set Exits: ({(6 + %a + %b),+,6}<%loop1> + %v1) LoopDispositions: { %loop2: Invariant }
; CHECK-NEXT: %ec2 = add i32 %is1, %is3
; CHECK-NEXT: --> (2 * ({(6 + %a + %b),+,6}<%loop1> + %v1)) U: [0,-1) S: [-2147483648,2147483647) Exits: (2 * ({(6 + %a + %b),+,6}<%loop1> + %v1)) LoopDispositions: { %loop2: Invariant }
; CHECK-NEXT: %s1 = add i32 %phi1, %is1
; CHECK-NEXT: --> ({(6 + (2 * %a) + %b),+,7}<%loop1> + %v1) U: full-set S: full-set
; CHECK-NEXT: %s2 = add i32 %is2, %phi4
; CHECK-NEXT: --> ({(43 + (2 * %a) + %b),+,7}<%loop2> + %v2) U: full-set S: full-set
; CHECK-NEXT: %s3 = add i32 %is1, %phi5
; CHECK-NEXT: --> {({(6 + (2 * %b) + %a),+,6}<%loop1> + %v1),+,2}<%loop2> U: full-set S: full-set
; CHECK-NEXT: %s4 = add i32 %phi2, %is2
; CHECK-NEXT: --> ({{\{\{}}(43 + (2 * %b) + %a),+,2}<%loop1>,+,6}<%loop2> + %v2) U: full-set S: full-set
; CHECK-NEXT: %s5 = add i32 %is1, %is2
; CHECK-NEXT: --> ({({(49 + (2 * %a) + (2 * %b)),+,6}<%loop1> + %v1),+,6}<%loop2> + %v2) U: full-set S: full-set
; CHECK-NEXT: %s6 = add i32 %is2, %is1
; CHECK-NEXT: --> ({({(49 + (2 * %a) + (2 * %b)),+,6}<%loop1> + %v1),+,6}<%loop2> + %v2) U: full-set S: full-set
; CHECK-NEXT: Determining loop execution counts for: @test_02
; CHECK-NEXT: Loop %loop2: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop2: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop2: Unpredictable symbolic max backedge-taken count.
; CHECK-NEXT: Loop %loop1: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop1: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop1: Unpredictable symbolic max backedge-taken count.
;
entry:
br label %loop1
loop1:
%phi1 = phi i32 [ %a, %entry ], [ %phi1.inc, %loop1 ]
%phi2 = phi i32 [ %b, %entry ], [ %phi2.inc, %loop1 ]
%phi3 = phi i32 [ 6, %entry ], [ %phi3.inc, %loop1 ]
%phi1.inc = add i32 %phi1, 1
%phi2.inc = add i32 %phi2, 2
%phi3.inc = add i32 %phi3, 3
%v1 = load i32, ptr %p
%sum1 = add i32 %phi1, %phi2
%sum2 = add i32 %sum1, %phi3
%is1 = add i32 %sum2, %v1
%cond1 = icmp ult i32 %is1, 1000
br i1 %cond1, label %loop1, label %loop2
loop2:
%phi4 = phi i32 [ %a, %loop1 ], [ %phi4.inc, %loop2 ]
%phi5 = phi i32 [ %b, %loop1 ], [ %phi5.inc, %loop2 ]
%phi6 = phi i32 [ 43, %loop1 ], [ %phi6.inc, %loop2 ]
%phi4.inc = add i32 %phi4, 1
%phi5.inc = add i32 %phi5, 2
%phi6.inc = add i32 %phi6, 3
%v2 = load i32, ptr %p
%sum3 = add i32 %phi4, %phi5
%sum4 = add i32 %sum3, %phi6
%is2 = add i32 %sum4, %v2
%is3 = add i32 %v1, %sum2
%ec2 = add i32 %is1, %is3
%cond2 = icmp ult i32 %ec2, 1000
br i1 %cond2, label %loop2, label %exit
exit:
%s1 = add i32 %phi1, %is1
%s2 = add i32 %is2, %phi4
%s3 = add i32 %is1, %phi5
%s4 = add i32 %phi2, %is2
%s5 = add i32 %is1, %is2
%s6 = add i32 %is2, %is1
ret void
}
; Mix of previous use cases that demonstrates %s3 can be incorrectly treated as
; a recurrence of loop1 because of operands order if we pick recurrencies in an
; incorrect order. It also shows that we cannot safely fold v1 (SCEVUnknown)
; because we cannot prove for sure that it doesn't use Phis of loop 2.
define void @test_03(i32 %a, i32 %b, i32 %c, ptr %p) {
; CHECK-LABEL: 'test_03'
; CHECK-NEXT: Classifying expressions for: @test_03
; CHECK-NEXT: %phi1 = phi i32 [ %a, %entry ], [ %phi1.inc, %loop1 ]
; CHECK-NEXT: --> {%a,+,1}<%loop1> U: full-set S: full-set Exits: (%a umax %c) LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi1.inc = add i32 %phi1, 1
; CHECK-NEXT: --> {(1 + %a),+,1}<%loop1> U: full-set S: full-set Exits: (1 + (%a umax %c)) LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %phi2 = phi i32 [ %a, %loop1 ], [ %phi2.inc, %loop2 ]
; CHECK-NEXT: --> {%a,+,2}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %phi2.inc = add i32 %phi2, 2
; CHECK-NEXT: --> {(2 + %a),+,2}<%loop2> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %v1 = load i32, ptr %p, align 4
; CHECK-NEXT: --> %v1 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %s1 = add i32 %phi1, %v1
; CHECK-NEXT: --> ({%a,+,1}<%loop1> + %v1) U: full-set S: full-set --> ((%a umax %c) + %v1) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %s2 = add i32 %s1, %b
; CHECK-NEXT: --> ({(%a + %b),+,1}<%loop1> + %v1) U: full-set S: full-set --> ((%a umax %c) + %b + %v1) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %s3 = add i32 %s2, %phi2
; CHECK-NEXT: --> ({{\{\{}}((2 * %a) + %b),+,1}<%loop1>,+,2}<%loop2> + %v1) U: full-set S: full-set --> ({((%a umax %c) + %a + %b),+,2}<%loop2> + %v1) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: Determining loop execution counts for: @test_03
; CHECK-NEXT: Loop %loop2: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop2: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop2: Unpredictable symbolic max backedge-taken count.
; CHECK-NEXT: Loop %loop1: backedge-taken count is ((-1 * %a) + (%a umax %c))
; CHECK-NEXT: Loop %loop1: constant max backedge-taken count is i32 -1
; CHECK-NEXT: Loop %loop1: symbolic max backedge-taken count is ((-1 * %a) + (%a umax %c))
; CHECK-NEXT: Loop %loop1: Trip multiple is 1
;
entry:
br label %loop1
loop1:
%phi1 = phi i32 [ %a, %entry ], [ %phi1.inc, %loop1 ]
%phi1.inc = add i32 %phi1, 1
%cond1 = icmp ult i32 %phi1, %c
br i1 %cond1, label %loop1, label %loop2
loop2:
%phi2 = phi i32 [ %a, %loop1 ], [ %phi2.inc, %loop2 ]
%phi2.inc = add i32 %phi2, 2
%v1 = load i32, ptr %p
%s1 = add i32 %phi1, %v1
%s2 = add i32 %s1, %b
%s3 = add i32 %s2, %phi2
%cond2 = icmp ult i32 %s3, %c
br i1 %cond2, label %loop2, label %exit
exit:
ret void
}
; Another mix of previous use cases that demonstrates that incorrect picking of
; a loop for a recurrence may cause a crash of SCEV analysis.
define void @test_04(i1 %arg) {
; CHECK-LABEL: 'test_04'
; CHECK-NEXT: Classifying expressions for: @test_04
; CHECK-NEXT: %tmp = phi i64 [ 2, %bb ], [ %tmp4, %bb3 ]
; CHECK-NEXT: --> {2,+,1}<nuw><nsw><%loop1> U: [2,-9223372036854775808) S: [2,-9223372036854775808) Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %tmp2 = trunc i64 %tmp to i32
; CHECK-NEXT: --> {2,+,1}<%loop1> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %tmp4 = add nuw nsw i64 %tmp, 1
; CHECK-NEXT: --> {3,+,1}<nuw><%loop1> U: [3,0) S: [3,0) Exits: <<Unknown>> LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %tmp7 = phi i64 [ %tmp15, %loop2 ], [ 2, %loop1 ]
; CHECK-NEXT: --> {2,+,1}<nuw><nsw><%loop2> U: [2,9223372036854775807) S: [2,9223372036854775807) Exits: (-1 + (3 smax {2,+,1}<nuw><nsw><%loop1>))<nsw> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %tmp8 = load i8, ptr addrspace(1) undef, align 1
; CHECK-NEXT: --> %tmp8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %tmp9 = sext i8 %tmp8 to i64
; CHECK-NEXT: --> (sext i8 %tmp8 to i64) U: [-128,128) S: [-128,128) Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %tmp10 = sub i64 %tmp9, %tmp7
; CHECK-NEXT: --> ((sext i8 %tmp8 to i64) + {-2,+,-1}<nsw><%loop2>) U: [9223372036854775682,126) S: [9223372036854775682,126) Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %tmp11 = add i64 %tmp10, undef
; CHECK-NEXT: --> ((sext i8 %tmp8 to i64) + {(-2 + undef),+,-1}<nw><%loop2>) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %tmp13 = trunc i64 %tmp11 to i32
; CHECK-NEXT: --> ((sext i8 %tmp8 to i32) + {(-2 + (trunc i64 undef to i32)),+,-1}<%loop2>) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %tmp14 = sub i32 %tmp13, %tmp2
; CHECK-NEXT: --> ((sext i8 %tmp8 to i32) + {{\{\{}}(-4 + (trunc i64 undef to i32)),+,-1}<%loop1>,+,-1}<%loop2>) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop2: Variant }
; CHECK-NEXT: %tmp15 = add nuw nsw i64 %tmp7, 1
; CHECK-NEXT: --> {3,+,1}<nuw><nsw><%loop2> U: [3,-9223372036854775808) S: [3,-9223372036854775808) Exits: (3 smax {2,+,1}<nuw><nsw><%loop1>) LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: Determining loop execution counts for: @test_04
; CHECK-NEXT: Loop %loop2: backedge-taken count is (-3 + (3 smax {2,+,1}<nuw><nsw><%loop1>))<nsw>
; CHECK-NEXT: Loop %loop2: constant max backedge-taken count is i64 9223372036854775804
; CHECK-NEXT: Loop %loop2: symbolic max backedge-taken count is (-3 + (3 smax {2,+,1}<nuw><nsw><%loop1>))<nsw>
; CHECK-NEXT: Loop %loop2: Trip multiple is 1
; CHECK-NEXT: Loop %loop1: Unpredictable backedge-taken count.
; CHECK-NEXT: Loop %loop1: Unpredictable constant max backedge-taken count.
; CHECK-NEXT: Loop %loop1: Unpredictable symbolic max backedge-taken count.
;
; `{{[{][{]}}` is the ugliness needed to match `{{`
bb:
br label %loop1
loop1:
%tmp = phi i64 [ 2, %bb ], [ %tmp4, %bb3 ]
%tmp2 = trunc i64 %tmp to i32
br i1 %arg, label %loop2, label %bb3
bb3:
%tmp4 = add nuw nsw i64 %tmp, 1
br label %loop1
bb5:
ret void
loop2:
%tmp7 = phi i64 [ %tmp15, %loop2 ], [ 2, %loop1 ]
%tmp8 = load i8, ptr addrspace(1) undef, align 1
%tmp9 = sext i8 %tmp8 to i64
%tmp10 = sub i64 %tmp9, %tmp7
%tmp11 = add i64 %tmp10, undef
%tmp13 = trunc i64 %tmp11 to i32
%tmp14 = sub i32 %tmp13, %tmp2
%tmp15 = add nuw nsw i64 %tmp7, 1
%tmp16 = icmp slt i64 %tmp15, %tmp
br i1 %tmp16, label %loop2, label %bb5
}
@A = weak global [1000 x i32] zeroinitializer, align 32
; Demonstrate a situation when we can add two recs with different degrees from
; the same loop.
define void @test_05(i32 %N) {
; CHECK-LABEL: 'test_05'
; CHECK-NEXT: Classifying expressions for: @test_05
; CHECK-NEXT: %"alloca point" = bitcast i32 0 to i32
; CHECK-NEXT: --> 0 U: [0,1) S: [0,1)
; CHECK-NEXT: %tmp = getelementptr [1000 x i32], ptr @A, i32 0, i32 %i.0
; CHECK-NEXT: --> {(8 + @A)<nuw><nsw>,+,4}<nw><%bb3> U: [40,-3623) S: [-9223372036854775808,9223372036854775805) Exits: (408 + @A)<nuw> LoopDispositions: { %bb3: Computable }
; CHECK-NEXT: %tmp2 = add i32 %i.0, 1
; CHECK-NEXT: --> {3,+,1}<nuw><nsw><%bb3> U: [3,104) S: [3,104) Exits: 103 LoopDispositions: { %bb3: Computable }
; CHECK-NEXT: %i.0 = phi i32 [ 2, %entry ], [ %tmp2, %bb ]
; CHECK-NEXT: --> {2,+,1}<nuw><nsw><%bb3> U: [2,103) S: [2,103) Exits: 102 LoopDispositions: { %bb3: Computable }
; CHECK-NEXT: %SQ = mul i32 %i.0, %i.0
; CHECK-NEXT: --> {4,+,5,+,2}<%bb3> U: full-set S: full-set Exits: 10404 LoopDispositions: { %bb3: Computable }
; CHECK-NEXT: %tmp4 = mul i32 %i.0, 2
; CHECK-NEXT: --> {4,+,2}<nuw><nsw><%bb3> U: [4,205) S: [4,205) Exits: 204 LoopDispositions: { %bb3: Computable }
; CHECK-NEXT: %tmp5 = sub i32 %SQ, %tmp4
; CHECK-NEXT: --> {0,+,3,+,2}<%bb3> U: full-set S: full-set Exits: 10200 LoopDispositions: { %bb3: Computable }
; CHECK-NEXT: Determining loop execution counts for: @test_05
; CHECK-NEXT: Loop %bb3: backedge-taken count is i32 100
; CHECK-NEXT: Loop %bb3: constant max backedge-taken count is i32 100
; CHECK-NEXT: Loop %bb3: symbolic max backedge-taken count is i32 100
; CHECK-NEXT: Loop %bb3: Trip multiple is 101
;
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
br label %bb3
bb: ; preds = %bb3
%tmp = getelementptr [1000 x i32], ptr @A, i32 0, i32 %i.0 ; <ptr> [#uses=1]
store i32 123, ptr %tmp
%tmp2 = add i32 %i.0, 1 ; <i32> [#uses=1]
br label %bb3
bb3: ; preds = %bb, %entry
%i.0 = phi i32 [ 2, %entry ], [ %tmp2, %bb ] ; <i32> [#uses=3]
%SQ = mul i32 %i.0, %i.0
%tmp4 = mul i32 %i.0, 2
%tmp5 = sub i32 %SQ, %tmp4
%tmp3 = icmp sle i32 %tmp5, 9999 ; <i1> [#uses=1]
br i1 %tmp3, label %bb, label %bb5
bb5: ; preds = %bb3
br label %return
return: ; preds = %bb5
ret void
}
; Check that we can add Phis from different loops with different nesting, nested
; loop comes first.
define void @test_06() {
; CHECK-LABEL: 'test_06'
; CHECK-NEXT: Classifying expressions for: @test_06
; CHECK-NEXT: %phi1 = phi i32 [ 10, %entry ], [ %phi1.inc, %loop1.exit ]
; CHECK-NEXT: --> {10,+,1}<nuw><nsw><%loop1> U: [10,1000) S: [10,1000) Exits: 999 LoopDispositions: { %loop1: Computable, %loop2: Invariant }
; CHECK-NEXT: %phi2 = phi i32 [ 20, %loop1 ], [ %phi2.inc, %loop2 ]
; CHECK-NEXT: --> {20,+,2}<nuw><nsw><%loop2> U: [20,999) S: [20,999) Exits: 998 LoopDispositions: { %loop2: Computable, %loop1: Variant }
; CHECK-NEXT: %phi2.inc = add i32 %phi2, 2
; CHECK-NEXT: --> {22,+,2}<nuw><nsw><%loop2> U: [22,1001) S: [22,1001) Exits: 1000 LoopDispositions: { %loop2: Computable, %loop1: Variant }
; CHECK-NEXT: %phi1.inc = add i32 %phi1, 1
; CHECK-NEXT: --> {11,+,1}<nuw><nsw><%loop1> U: [11,1001) S: [11,1001) Exits: 1000 LoopDispositions: { %loop1: Computable, %loop2: Invariant }
; CHECK-NEXT: %phi3 = phi i32 [ 30, %loop1.exit ], [ %phi3.inc, %loop3 ]
; CHECK-NEXT: --> {30,+,3}<nuw><nsw><%loop3> U: [30,1000) S: [30,1000) Exits: 999 LoopDispositions: { %loop3: Computable }
; CHECK-NEXT: %phi3.inc = add i32 %phi3, 3
; CHECK-NEXT: --> {33,+,3}<nuw><nsw><%loop3> U: [33,1003) S: [33,1003) Exits: 1002 LoopDispositions: { %loop3: Computable }
; CHECK-NEXT: %s1 = add i32 %phi1, %phi2
; CHECK-NEXT: --> {{\{\{}}30,+,1}<nuw><nsw><%loop1>,+,2}<nw><%loop2> U: [30,1998) S: [30,1998) --> 1997 U: [1997,1998) S: [1997,1998)
; CHECK-NEXT: %s2 = add i32 %phi2, %phi1
; CHECK-NEXT: --> {{\{\{}}30,+,1}<nuw><nsw><%loop1>,+,2}<nw><%loop2> U: [30,1998) S: [30,1998) --> 1997 U: [1997,1998) S: [1997,1998)
; CHECK-NEXT: %s3 = add i32 %phi1, %phi3
; CHECK-NEXT: --> {{\{\{}}40,+,1}<nuw><nsw><%loop1>,+,3}<nw><%loop3> U: [40,1999) S: [40,1999) --> 1998 U: [1998,1999) S: [1998,1999)
; CHECK-NEXT: %s4 = add i32 %phi3, %phi1
; CHECK-NEXT: --> {{\{\{}}40,+,1}<nuw><nsw><%loop1>,+,3}<nw><%loop3> U: [40,1999) S: [40,1999) --> 1998 U: [1998,1999) S: [1998,1999)
; CHECK-NEXT: %s5 = add i32 %phi2, %phi3
; CHECK-NEXT: --> {{\{\{}}50,+,2}<nuw><nsw><%loop2>,+,3}<nw><%loop3> U: [50,1998) S: [50,1998) --> 1997 U: [1997,1998) S: [1997,1998)
; CHECK-NEXT: %s6 = add i32 %phi3, %phi2
; CHECK-NEXT: --> {{\{\{}}50,+,2}<nuw><nsw><%loop2>,+,3}<nw><%loop3> U: [50,1998) S: [50,1998) --> 1997 U: [1997,1998) S: [1997,1998)
; CHECK-NEXT: Determining loop execution counts for: @test_06
; CHECK-NEXT: Loop %loop3: backedge-taken count is i32 323
; CHECK-NEXT: Loop %loop3: constant max backedge-taken count is i32 323
; CHECK-NEXT: Loop %loop3: symbolic max backedge-taken count is i32 323
; CHECK-NEXT: Loop %loop3: Trip multiple is 324
; CHECK-NEXT: Loop %loop2: backedge-taken count is i32 489
; CHECK-NEXT: Loop %loop2: constant max backedge-taken count is i32 489
; CHECK-NEXT: Loop %loop2: symbolic max backedge-taken count is i32 489
; CHECK-NEXT: Loop %loop2: Trip multiple is 490
; CHECK-NEXT: Loop %loop1: backedge-taken count is i32 989
; CHECK-NEXT: Loop %loop1: constant max backedge-taken count is i32 989
; CHECK-NEXT: Loop %loop1: symbolic max backedge-taken count is i32 989
; CHECK-NEXT: Loop %loop1: Trip multiple is 990
;
entry:
br label %loop1
loop1:
%phi1 = phi i32 [ 10, %entry ], [ %phi1.inc, %loop1.exit ]
br label %loop2
loop2:
%phi2 = phi i32 [ 20, %loop1 ], [ %phi2.inc, %loop2 ]
%phi2.inc = add i32 %phi2, 2
%cond2 = icmp ult i32 %phi2.inc, 1000
br i1 %cond2, label %loop2, label %loop1.exit
loop1.exit:
%phi1.inc = add i32 %phi1, 1
%cond1 = icmp ult i32 %phi1.inc, 1000
br i1 %cond1, label %loop1, label %loop3
loop3:
%phi3 = phi i32 [ 30, %loop1.exit ], [ %phi3.inc, %loop3 ]
%phi3.inc = add i32 %phi3, 3
%cond3 = icmp ult i32 %phi3.inc, 1000
br i1 %cond3, label %loop3, label %exit
exit:
%s1 = add i32 %phi1, %phi2
%s2 = add i32 %phi2, %phi1
%s3 = add i32 %phi1, %phi3
%s4 = add i32 %phi3, %phi1
%s5 = add i32 %phi2, %phi3
%s6 = add i32 %phi3, %phi2
ret void
}
; Check that we can add Phis from different loops with different nesting, nested
; loop comes second.
define void @test_07() {
; CHECK-LABEL: 'test_07'
; CHECK-NEXT: Classifying expressions for: @test_07
; CHECK-NEXT: %phi3 = phi i32 [ 30, %entry ], [ %phi3.inc, %loop3 ]
; CHECK-NEXT: --> {30,+,3}<nuw><nsw><%loop3> U: [30,1000) S: [30,1000) Exits: 999 LoopDispositions: { %loop3: Computable }
; CHECK-NEXT: %phi3.inc = add i32 %phi3, 3
; CHECK-NEXT: --> {33,+,3}<nuw><nsw><%loop3> U: [33,1003) S: [33,1003) Exits: 1002 LoopDispositions: { %loop3: Computable }
; CHECK-NEXT: %phi1 = phi i32 [ 10, %loop3 ], [ %phi1.inc, %loop1.exit ]
; CHECK-NEXT: --> {10,+,1}<nuw><nsw><%loop1> U: [10,11) S: [10,11) Exits: 10 LoopDispositions: { %loop1: Computable, %loop2: Invariant }
; CHECK-NEXT: %phi2 = phi i32 [ 20, %loop1 ], [ %phi2.inc, %loop2 ]
; CHECK-NEXT: --> {20,+,2}<nuw><nsw><%loop2> U: [20,999) S: [20,999) Exits: 998 LoopDispositions: { %loop2: Computable, %loop1: Variant }
; CHECK-NEXT: %phi2.inc = add i32 %phi2, 2
; CHECK-NEXT: --> {22,+,2}<nuw><nsw><%loop2> U: [22,1001) S: [22,1001) Exits: 1000 LoopDispositions: { %loop2: Computable, %loop1: Variant }
; CHECK-NEXT: %phi1.inc = add i32 %phi1, 1
; CHECK-NEXT: --> {11,+,1}<nuw><nsw><%loop1> U: [11,12) S: [11,12) Exits: 11 LoopDispositions: { %loop1: Computable, %loop2: Invariant }
; CHECK-NEXT: %s1 = add i32 %phi1, %phi2
; CHECK-NEXT: --> {{\{\{}}30,+,1}<nuw><nsw><%loop1>,+,2}<nw><%loop2> U: [30,1009) S: [30,1009) --> 1008 U: [1008,1009) S: [1008,1009)
; CHECK-NEXT: %s2 = add i32 %phi2, %phi1
; CHECK-NEXT: --> {{\{\{}}30,+,1}<nuw><nsw><%loop1>,+,2}<nw><%loop2> U: [30,1009) S: [30,1009) --> 1008 U: [1008,1009) S: [1008,1009)
; CHECK-NEXT: %s3 = add i32 %phi1, %phi3
; CHECK-NEXT: --> {{\{\{}}40,+,3}<nuw><nsw><%loop3>,+,1}<nw><%loop1> U: [40,1010) S: [40,1010) --> 1009 U: [1009,1010) S: [1009,1010)
; CHECK-NEXT: %s4 = add i32 %phi3, %phi1
; CHECK-NEXT: --> {{\{\{}}40,+,3}<nuw><nsw><%loop3>,+,1}<nw><%loop1> U: [40,1010) S: [40,1010) --> 1009 U: [1009,1010) S: [1009,1010)
; CHECK-NEXT: %s5 = add i32 %phi2, %phi3
; CHECK-NEXT: --> {{\{\{}}50,+,3}<nuw><nsw><%loop3>,+,2}<nw><%loop2> U: [50,1998) S: [50,1998) --> 1997 U: [1997,1998) S: [1997,1998)
; CHECK-NEXT: %s6 = add i32 %phi3, %phi2
; CHECK-NEXT: --> {{\{\{}}50,+,3}<nuw><nsw><%loop3>,+,2}<nw><%loop2> U: [50,1998) S: [50,1998) --> 1997 U: [1997,1998) S: [1997,1998)
; CHECK-NEXT: Determining loop execution counts for: @test_07
; CHECK-NEXT: Loop %loop2: backedge-taken count is i32 489
; CHECK-NEXT: Loop %loop2: constant max backedge-taken count is i32 489
; CHECK-NEXT: Loop %loop2: symbolic max backedge-taken count is i32 489
; CHECK-NEXT: Loop %loop2: Trip multiple is 490
; CHECK-NEXT: Loop %loop1: backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop1: constant max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop1: symbolic max backedge-taken count is i32 0
; CHECK-NEXT: Loop %loop1: Trip multiple is 1
; CHECK-NEXT: Loop %loop3: backedge-taken count is i32 323
; CHECK-NEXT: Loop %loop3: constant max backedge-taken count is i32 323
; CHECK-NEXT: Loop %loop3: symbolic max backedge-taken count is i32 323
; CHECK-NEXT: Loop %loop3: Trip multiple is 324
;
entry:
br label %loop3
loop3:
%phi3 = phi i32 [ 30, %entry ], [ %phi3.inc, %loop3 ]
%phi3.inc = add i32 %phi3, 3
%cond3 = icmp ult i32 %phi3.inc, 1000
br i1 %cond3, label %loop3, label %loop1
loop1:
%phi1 = phi i32 [ 10, %loop3 ], [ %phi1.inc, %loop1.exit ]
br label %loop2
loop2:
%phi2 = phi i32 [ 20, %loop1 ], [ %phi2.inc, %loop2 ]
%phi2.inc = add i32 %phi2, 2
%cond2 = icmp ult i32 %phi2.inc, 1000
br i1 %cond2, label %loop2, label %loop1.exit
loop1.exit:
%phi1.inc = add i32 %phi1, 1
%cond1 = icmp ult i32 %phi1.inc, 1000
br i1 %cond1, label %exit, label %loop1
exit:
%s1 = add i32 %phi1, %phi2
%s2 = add i32 %phi2, %phi1
%s3 = add i32 %phi1, %phi3
%s4 = add i32 %phi3, %phi1
%s5 = add i32 %phi2, %phi3
%s6 = add i32 %phi3, %phi2
ret void
}
; Make sure that a complicated Phi does not get folded with rec's start value
; of a loop which is above.
define void @test_08() {
; CHECK-LABEL: 'test_08'
; CHECK-NEXT: Classifying expressions for: @test_08
; CHECK-NEXT: %iv.1.1 = phi i64 [ 2, %entry ], [ %iv.1.1.next, %loop_1_back_branch ]
; CHECK-NEXT: --> {2,+,1}<nuw><nsw><%loop_1> U: [2,4) S: [2,4) Exits: 3 LoopDispositions: { %loop_1: Computable }
; CHECK-NEXT: %iv.1.2 = phi i32 [ -1, %entry ], [ %iv.1.2.next, %loop_1_back_branch ]
; CHECK-NEXT: --> {-1,+,1}<nsw><%loop_1> U: [-1,1) S: [-1,1) Exits: 0 LoopDispositions: { %loop_1: Computable }
; CHECK-NEXT: %iv.1.1.next = add nuw nsw i64 %iv.1.1, 1
; CHECK-NEXT: --> {3,+,1}<nuw><nsw><%loop_1> U: [3,5) S: [3,5) Exits: 4 LoopDispositions: { %loop_1: Computable }
; CHECK-NEXT: %iv.1.2.next = add nsw i32 %iv.1.2, 1
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%loop_1> U: [0,2) S: [0,2) Exits: 1 LoopDispositions: { %loop_1: Computable }
; CHECK-NEXT: %tmp6 = sub i64 1, %iv.1.1
; CHECK-NEXT: --> {-1,+,-1}<nsw><%loop_1> U: [-2,0) S: [-2,0) --> -2 U: [-2,-1) S: [-2,-1)
; CHECK-NEXT: %tmp7 = trunc i64 %tmp6 to i32
; CHECK-NEXT: --> {-1,+,-1}<%loop_1> U: [-2,0) S: [-2,0) --> -2 U: [-2,-1) S: [-2,-1)
; CHECK-NEXT: %iv.2.1 = phi i64 [ 0, %loop_2_preheader ], [ %tmp16, %loop_2 ]
; CHECK-NEXT: --> %iv.2.1 U: full-set S: full-set Exits: 0 LoopDispositions: { %loop_2: Variant }
; CHECK-NEXT: %iv.2.2 = phi i64 [ 0, %loop_2_preheader ], [ %iv.2.2.next, %loop_2 ]
; CHECK-NEXT: --> {0,+,-1}<nuw><nsw><%loop_2> U: [0,1) S: [0,1) Exits: 0 LoopDispositions: { %loop_2: Computable }
; CHECK-NEXT: %iv.2.3 = phi i64 [ 2, %loop_2_preheader ], [ %iv.2.3.next, %loop_2 ]
; CHECK-NEXT: --> {2,+,1}<nuw><nsw><%loop_2> U: [2,3) S: [2,3) Exits: 2 LoopDispositions: { %loop_2: Computable }
; CHECK-NEXT: %tmp11 = add i64 %iv.2.2, %iv.2.1
; CHECK-NEXT: --> ({0,+,-1}<nuw><nsw><%loop_2> + %iv.2.1) U: full-set S: full-set Exits: 0 LoopDispositions: { %loop_2: Variant }
; CHECK-NEXT: %tmp12 = trunc i64 %tmp11 to i32
; CHECK-NEXT: --> ((trunc i64 %iv.2.1 to i32) + {0,+,-1}<%loop_2>) U: full-set S: full-set Exits: 0 LoopDispositions: { %loop_2: Variant }
; CHECK-NEXT: %tmp14 = mul i32 %tmp12, %tmp7
; CHECK-NEXT: --> (((trunc i64 %iv.2.1 to i32) + {0,+,-1}<%loop_2>) * {-1,+,-1}<%loop_1>) U: full-set S: full-set --> (-2 * ((trunc i64 %iv.2.1 to i32) + {0,+,-1}<%loop_2>)) U: [0,-1) S: [-2147483648,2147483647) Exits: 0 LoopDispositions: { %loop_2: Variant }
; CHECK-NEXT: %tmp16 = mul i64 %iv.2.1, %iv.1.1
; CHECK-NEXT: --> ({2,+,1}<nuw><nsw><%loop_1> * %iv.2.1) U: full-set S: full-set --> (3 * %iv.2.1) U: full-set S: full-set Exits: 0 LoopDispositions: { %loop_2: Variant }
; CHECK-NEXT: %iv.2.3.next = add nuw nsw i64 %iv.2.3, 1
; CHECK-NEXT: --> {3,+,1}<nuw><nsw><%loop_2> U: [3,4) S: [3,4) Exits: 3 LoopDispositions: { %loop_2: Computable }
; CHECK-NEXT: %iv.2.2.next = add nsw i64 %iv.2.2, -1
; CHECK-NEXT: --> {-1,+,-1}<nuw><nsw><%loop_2> U: [-1,0) S: [-1,0) Exits: -1 LoopDispositions: { %loop_2: Computable }
; CHECK-NEXT: %tmp10 = add i32 %iv.1.2, 3
; CHECK-NEXT: --> {2,+,1}<nuw><nsw><%loop_1> U: [2,4) S: [2,4) --> 3 U: [3,4) S: [3,4)
; CHECK-NEXT: Determining loop execution counts for: @test_08
; CHECK-NEXT: Loop %loop_2: backedge-taken count is i64 0
; CHECK-NEXT: Loop %loop_2: constant max backedge-taken count is i64 0
; CHECK-NEXT: Loop %loop_2: symbolic max backedge-taken count is i64 0
; CHECK-NEXT: Loop %loop_2: Trip multiple is 1
; CHECK-NEXT: Loop %loop_1: backedge-taken count is i64 1
; CHECK-NEXT: Loop %loop_1: constant max backedge-taken count is i64 1
; CHECK-NEXT: Loop %loop_1: symbolic max backedge-taken count is i64 1
; CHECK-NEXT: Loop %loop_1: Trip multiple is 2
;
entry:
br label %loop_1
loop_1:
%iv.1.1 = phi i64 [ 2, %entry ], [ %iv.1.1.next, %loop_1_back_branch ]
%iv.1.2 = phi i32 [ -1, %entry ], [ %iv.1.2.next, %loop_1_back_branch ]
br label %loop_1_exit
dead:
br label %loop_1_exit
loop_1_exit:
%tmp5 = icmp sgt i64 %iv.1.1, 2
br i1 %tmp5, label %loop_2_preheader, label %loop_1_back_branch
loop_1_back_branch:
%iv.1.1.next = add nuw nsw i64 %iv.1.1, 1
%iv.1.2.next = add nsw i32 %iv.1.2, 1
br label %loop_1
loop_2_preheader:
%tmp6 = sub i64 1, %iv.1.1
%tmp7 = trunc i64 %tmp6 to i32
br label %loop_2
loop_2:
%iv.2.1 = phi i64 [ 0, %loop_2_preheader ], [ %tmp16, %loop_2 ]
%iv.2.2 = phi i64 [ 0, %loop_2_preheader ], [ %iv.2.2.next, %loop_2 ]
%iv.2.3 = phi i64 [ 2, %loop_2_preheader ], [ %iv.2.3.next, %loop_2 ]
%tmp11 = add i64 %iv.2.2, %iv.2.1
%tmp12 = trunc i64 %tmp11 to i32
%tmp14 = mul i32 %tmp12, %tmp7
%tmp16 = mul i64 %iv.2.1, %iv.1.1
%iv.2.3.next = add nuw nsw i64 %iv.2.3, 1
%iv.2.2.next = add nsw i64 %iv.2.2, -1
%tmp17 = icmp slt i64 %iv.2.3.next, %iv.1.1
br i1 %tmp17, label %loop_2, label %exit
exit:
%tmp10 = add i32 %iv.1.2, 3
ret void
}
define i64 @test_09(i32 %param) {
; CHECK-LABEL: 'test_09'
; CHECK-NEXT: Classifying expressions for: @test_09
; CHECK-NEXT: %iv1 = phi i64 [ %iv1.next, %guarded ], [ 0, %outer.loop ]
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%loop1> U: [0,3) S: [0,3) Exits: 2 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %iv1.trunc = trunc i64 %iv1 to i32
; CHECK-NEXT: --> {0,+,1}<%loop1> U: [0,3) S: [0,3) Exits: 2 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %iv1.next = add nuw nsw i64 %iv1, 1
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%loop1> U: [1,4) S: [1,4) Exits: 3 LoopDispositions: { %loop1: Computable }
; CHECK-NEXT: %iv2 = phi i32 [ %iv2.next, %loop2 ], [ %param, %loop2.preheader ]
; CHECK-NEXT: --> {%param,+,1}<%loop2> U: full-set S: full-set Exits: (2 smax %param) LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %iv2.next = add i32 %iv2, 1
; CHECK-NEXT: --> {(1 + %param),+,1}<%loop2> U: full-set S: full-set Exits: (1 + (2 smax %param))<nuw> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %iv2.ext = sext i32 %iv2.next to i64
; CHECK-NEXT: --> (sext i32 {(1 + %param),+,1}<%loop2> to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) --> (sext i32 (1 + (2 smax %param))<nuw> to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648)
; CHECK-NEXT: %ret = mul i64 %iv1, %iv2.ext
; CHECK-NEXT: --> ((sext i32 {(1 + %param),+,1}<%loop2> to i64) * {0,+,1}<nuw><nsw><%loop1>) U: [-4294967296,4294967295) S: [-4294967296,4294967295) --> (2 * (sext i32 (1 + (2 smax %param))<nuw> to i64))<nsw> U: [0,-1) S: [-4294967296,4294967295)
; CHECK-NEXT: Determining loop execution counts for: @test_09
; CHECK-NEXT: Loop %loop2: backedge-taken count is ((-1 * %param) + (2 smax %param))
; CHECK-NEXT: Loop %loop2: constant max backedge-taken count is i32 -2147483646
; CHECK-NEXT: Loop %loop2: symbolic max backedge-taken count is ((-1 * %param) + (2 smax %param))
; CHECK-NEXT: Loop %loop2: Trip multiple is 1
; CHECK-NEXT: Loop %loop1: <multiple exits> backedge-taken count is i64 2
; CHECK-NEXT: exit count for loop1: i64 100
; CHECK-NEXT: exit count for guarded: i32 2
; CHECK-NEXT: Loop %loop1: constant max backedge-taken count is i64 2
; CHECK-NEXT: Loop %loop1: symbolic max backedge-taken count is i64 2
; CHECK-NEXT: symbolic max exit count for loop1: i64 100
; CHECK-NEXT: symbolic max exit count for guarded: i32 2
; CHECK-NEXT: Loop %loop1: Trip multiple is 1
;
entry:
br label %outer.loop
outer.loop: ; preds = %loop2.exit, %entry
br label %loop1
loop1: ; preds = %guarded, %outer.loop
%iv1 = phi i64 [ %iv1.next, %guarded ], [ 0, %outer.loop ]
%iv1.trunc = trunc i64 %iv1 to i32
%cond1 = icmp ult i64 %iv1, 100
br i1 %cond1, label %guarded, label %deopt
guarded: ; preds = %loop1
%iv1.next = add nuw nsw i64 %iv1, 1
%tmp16 = icmp slt i32 %iv1.trunc, 2
br i1 %tmp16, label %loop1, label %loop2.preheader
deopt: ; preds = %loop1
unreachable
loop2.preheader: ; preds = %guarded
br label %loop2
loop2: ; preds = %loop2, %loop2.preheader
%iv2 = phi i32 [ %iv2.next, %loop2 ], [ %param, %loop2.preheader ]
%iv2.next = add i32 %iv2, 1
%cond2 = icmp slt i32 %iv2, %iv1.trunc
br i1 %cond2, label %loop2, label %exit
exit: ; preds = %loop2.exit
%iv2.ext = sext i32 %iv2.next to i64
%ret = mul i64 %iv1, %iv2.ext
ret i64 %ret
}
define i64 @test_10(i32 %param) {
; CHECK-LABEL: 'test_10'
; CHECK-NEXT: Classifying expressions for: @test_10
; CHECK-NEXT: %uncle = phi i64 [ %uncle.outer.next, %uncle.loop.backedge ], [ 0, %outer.loop ]
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%uncle.loop> U: [0,1) S: [0,1) Exits: <<Unknown>> LoopDispositions: { %uncle.loop: Computable, %loop1: Invariant }
; CHECK-NEXT: %iv1 = phi i64 [ %iv1.next, %guarded ], [ 0, %uncle.loop ]
; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%loop1> U: [0,3) S: [0,3) Exits: 2 LoopDispositions: { %loop1: Computable, %uncle.loop: Variant }
; CHECK-NEXT: %iv1.trunc = trunc i64 %iv1 to i32
; CHECK-NEXT: --> {0,+,1}<%loop1> U: [0,3) S: [0,3) Exits: 2 LoopDispositions: { %loop1: Computable, %uncle.loop: Variant }
; CHECK-NEXT: %iv1.next = add nuw nsw i64 %iv1, 1
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%loop1> U: [1,4) S: [1,4) Exits: 3 LoopDispositions: { %loop1: Computable, %uncle.loop: Variant }
; CHECK-NEXT: %uncle.outer.next = add i64 %uncle, 1
; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%uncle.loop> U: [1,2) S: [1,2) Exits: <<Unknown>> LoopDispositions: { %uncle.loop: Computable, %loop1: Invariant }
; CHECK-NEXT: %iv2 = phi i32 [ %iv2.next, %loop2 ], [ %param, %loop2.preheader ]
; CHECK-NEXT: --> {%param,+,1}<%loop2> U: full-set S: full-set Exits: (2 smax %param) LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %iv2.next = add i32 %iv2, 1
; CHECK-NEXT: --> {(1 + %param),+,1}<%loop2> U: full-set S: full-set Exits: (1 + (2 smax %param))<nuw> LoopDispositions: { %loop2: Computable }
; CHECK-NEXT: %iv2.ext = sext i32 %iv2.next to i64
; CHECK-NEXT: --> (sext i32 {(1 + %param),+,1}<%loop2> to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648) --> (sext i32 (1 + (2 smax %param))<nuw> to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648)
; CHECK-NEXT: %ret = mul i64 %iv1, %iv2.ext
; CHECK-NEXT: --> ((sext i32 {(1 + %param),+,1}<%loop2> to i64) * {0,+,1}<nuw><nsw><%loop1>) U: [-4294967296,4294967295) S: [-4294967296,4294967295) --> (2 * (sext i32 (1 + (2 smax %param))<nuw> to i64))<nsw> U: [0,-1) S: [-4294967296,4294967295)
; CHECK-NEXT: Determining loop execution counts for: @test_10
; CHECK-NEXT: Loop %loop2: backedge-taken count is ((-1 * %param) + (2 smax %param))
; CHECK-NEXT: Loop %loop2: constant max backedge-taken count is i32 -2147483646
; CHECK-NEXT: Loop %loop2: symbolic max backedge-taken count is ((-1 * %param) + (2 smax %param))
; CHECK-NEXT: Loop %loop2: Trip multiple is 1
; CHECK-NEXT: Loop %loop1: <multiple exits> backedge-taken count is i64 2
; CHECK-NEXT: exit count for loop1: i64 100
; CHECK-NEXT: exit count for guarded: i32 2
; CHECK-NEXT: Loop %loop1: constant max backedge-taken count is i64 2
; CHECK-NEXT: Loop %loop1: symbolic max backedge-taken count is i64 2
; CHECK-NEXT: symbolic max exit count for loop1: i64 100
; CHECK-NEXT: symbolic max exit count for guarded: i32 2
; CHECK-NEXT: Loop %loop1: Trip multiple is 1
; CHECK-NEXT: Loop %uncle.loop: <multiple exits> Unpredictable backedge-taken count.
; CHECK-NEXT: exit count for loop1: ***COULDNOTCOMPUTE***
; CHECK-NEXT: exit count for uncle.loop.backedge: i64 0
; CHECK-NEXT: Loop %uncle.loop: constant max backedge-taken count is i64 0
; CHECK-NEXT: Loop %uncle.loop: symbolic max backedge-taken count is i64 0
; CHECK-NEXT: symbolic max exit count for loop1: ***COULDNOTCOMPUTE***
; CHECK-NEXT: symbolic max exit count for uncle.loop.backedge: i64 0
;
entry:
br label %outer.loop
outer.loop: ; preds = %entry
br label %uncle.loop
uncle.loop: ; preds = %uncle.loop.backedge, %outer.loop
%uncle = phi i64 [ %uncle.outer.next, %uncle.loop.backedge ], [ 0, %outer.loop ]
br label %loop1
loop1: ; preds = %guarded, %uncle.loop
%iv1 = phi i64 [ %iv1.next, %guarded ], [ 0, %uncle.loop ]
%iv1.trunc = trunc i64 %iv1 to i32
%cond1 = icmp ult i64 %iv1, 100
br i1 %cond1, label %guarded, label %deopt
guarded: ; preds = %loop1
%iv1.next = add nuw nsw i64 %iv1, 1
%tmp16 = icmp slt i32 %iv1.trunc, 2
br i1 %tmp16, label %loop1, label %uncle.loop.backedge
uncle.loop.backedge: ; preds = %guarded
%uncle.outer.next = add i64 %uncle, 1
%cond.uncle = icmp ult i64 %uncle, 120
br i1 %cond.uncle, label %loop2.preheader, label %uncle.loop
deopt: ; preds = %loop1
unreachable
loop2.preheader: ; preds = %uncle.loop.backedge
br label %loop2
loop2: ; preds = %loop2, %loop2.preheader
%iv2 = phi i32 [ %iv2.next, %loop2 ], [ %param, %loop2.preheader ]
%iv2.next = add i32 %iv2, 1
%cond2 = icmp slt i32 %iv2, %iv1.trunc
br i1 %cond2, label %loop2, label %exit
exit: ; preds = %loop2
%iv2.ext = sext i32 %iv2.next to i64
%ret = mul i64 %iv1, %iv2.ext
ret i64 %ret
}
|