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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs \
; RUN: -mtriple=powerpc64le-linux-gnu < %s | FileCheck \
; RUN: -check-prefix=CHECK-LE %s
; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs \
; RUN: -mtriple=powerpc64-linux-gnu < %s | FileCheck \
; RUN: -check-prefix=CHECK-BE %s
; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs \
; RUN: -mtriple=powerpc-linux-gnu < %s | FileCheck \
; RUN: -check-prefix=CHECK-32 %s
; Free probe
define i8 @f0() #0 nounwind {
; CHECK-LE-LABEL: f0:
; CHECK-LE: # %bb.0: # %entry
; CHECK-LE-NEXT: li r3, 3
; CHECK-LE-NEXT: stb r3, -64(r1)
; CHECK-LE-NEXT: lbz r3, -64(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f0:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: li r3, 3
; CHECK-BE-NEXT: stb r3, -64(r1)
; CHECK-BE-NEXT: lbz r3, -64(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f0:
; CHECK-32: # %bb.0: # %entry
; CHECK-32-NEXT: stwu r1, -80(r1)
; CHECK-32-NEXT: li r3, 3
; CHECK-32-NEXT: stb r3, 16(r1)
; CHECK-32-NEXT: lbz r3, 16(r1)
; CHECK-32-NEXT: addi r1, r1, 80
; CHECK-32-NEXT: blr
entry:
%a = alloca i8, i64 64
%b = getelementptr inbounds i8, i8* %a, i64 63
store volatile i8 3, i8* %a
%c = load volatile i8, i8* %a
ret i8 %c
}
define i8 @f1() #0 "stack-probe-size"="0" {
; CHECK-LE-LABEL: f1:
; CHECK-LE: # %bb.0: # %entry
; CHECK-LE-NEXT: mr r0, r1
; CHECK-LE-NEXT: .cfi_def_cfa r0, 0
; CHECK-LE-NEXT: li r12, 259
; CHECK-LE-NEXT: mtctr r12
; CHECK-LE-NEXT: .LBB1_1: # %entry
; CHECK-LE-NEXT: #
; CHECK-LE-NEXT: stdu r0, -16(r1)
; CHECK-LE-NEXT: bdnz .LBB1_1
; CHECK-LE-NEXT: # %bb.2: # %entry
; CHECK-LE-NEXT: .cfi_def_cfa_register r1
; CHECK-LE-NEXT: .cfi_def_cfa_offset 4144
; CHECK-LE-NEXT: li r3, 3
; CHECK-LE-NEXT: stb r3, 48(r1)
; CHECK-LE-NEXT: lbz r3, 48(r1)
; CHECK-LE-NEXT: addi r1, r1, 4144
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f1:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: mr r0, r1
; CHECK-BE-NEXT: .cfi_def_cfa r0, 0
; CHECK-BE-NEXT: li r12, 260
; CHECK-BE-NEXT: mtctr r12
; CHECK-BE-NEXT: .LBB1_1: # %entry
; CHECK-BE-NEXT: #
; CHECK-BE-NEXT: stdu r0, -16(r1)
; CHECK-BE-NEXT: bdnz .LBB1_1
; CHECK-BE-NEXT: # %bb.2: # %entry
; CHECK-BE-NEXT: .cfi_def_cfa_register r1
; CHECK-BE-NEXT: .cfi_def_cfa_offset 4160
; CHECK-BE-NEXT: li r3, 3
; CHECK-BE-NEXT: stb r3, 64(r1)
; CHECK-BE-NEXT: lbz r3, 64(r1)
; CHECK-BE-NEXT: addi r1, r1, 4160
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f1:
; CHECK-32: # %bb.0: # %entry
; CHECK-32-NEXT: mr r0, r1
; CHECK-32-NEXT: .cfi_def_cfa r0, 0
; CHECK-32-NEXT: li r12, 257
; CHECK-32-NEXT: mtctr r12
; CHECK-32-NEXT: .LBB1_1: # %entry
; CHECK-32-NEXT: #
; CHECK-32-NEXT: stwu r0, -16(r1)
; CHECK-32-NEXT: bdnz .LBB1_1
; CHECK-32-NEXT: # %bb.2: # %entry
; CHECK-32-NEXT: .cfi_def_cfa_register r1
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: .cfi_def_cfa_offset 4112
; CHECK-32-NEXT: li r3, 3
; CHECK-32-NEXT: stb r3, 16(r1)
; CHECK-32-NEXT: lbz r3, 16(r1)
; CHECK-32-NEXT: addi r1, r1, 4112
; CHECK-32-NEXT: blr
entry:
%a = alloca i8, i64 4096
%b = getelementptr inbounds i8, i8* %a, i64 63
store volatile i8 3, i8* %a
%c = load volatile i8, i8* %a
ret i8 %c
}
define i8 @f2() #0 {
; CHECK-LE-LABEL: f2:
; CHECK-LE: # %bb.0: # %entry
; CHECK-LE-NEXT: mr r0, r1
; CHECK-LE-NEXT: .cfi_def_cfa r0, 0
; CHECK-LE-NEXT: stdu r0, -48(r1)
; CHECK-LE-NEXT: li r12, 16
; CHECK-LE-NEXT: mtctr r12
; CHECK-LE-NEXT: .LBB2_1: # %entry
; CHECK-LE-NEXT: #
; CHECK-LE-NEXT: stdu r0, -4096(r1)
; CHECK-LE-NEXT: bdnz .LBB2_1
; CHECK-LE-NEXT: # %bb.2: # %entry
; CHECK-LE-NEXT: .cfi_def_cfa_register r1
; CHECK-LE-NEXT: .cfi_def_cfa_offset 65584
; CHECK-LE-NEXT: li r3, 3
; CHECK-LE-NEXT: stb r3, 48(r1)
; CHECK-LE-NEXT: lbz r3, 48(r1)
; CHECK-LE-NEXT: ld r1, 0(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f2:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: mr r0, r1
; CHECK-BE-NEXT: .cfi_def_cfa r0, 0
; CHECK-BE-NEXT: stdu r0, -64(r1)
; CHECK-BE-NEXT: li r12, 16
; CHECK-BE-NEXT: mtctr r12
; CHECK-BE-NEXT: .LBB2_1: # %entry
; CHECK-BE-NEXT: #
; CHECK-BE-NEXT: stdu r0, -4096(r1)
; CHECK-BE-NEXT: bdnz .LBB2_1
; CHECK-BE-NEXT: # %bb.2: # %entry
; CHECK-BE-NEXT: .cfi_def_cfa_register r1
; CHECK-BE-NEXT: .cfi_def_cfa_offset 65600
; CHECK-BE-NEXT: li r3, 3
; CHECK-BE-NEXT: stb r3, 64(r1)
; CHECK-BE-NEXT: lbz r3, 64(r1)
; CHECK-BE-NEXT: ld r1, 0(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f2:
; CHECK-32: # %bb.0: # %entry
; CHECK-32-NEXT: mr r0, r1
; CHECK-32-NEXT: .cfi_def_cfa r0, 0
; CHECK-32-NEXT: stwu r0, -16(r1)
; CHECK-32-NEXT: li r12, 16
; CHECK-32-NEXT: mtctr r12
; CHECK-32-NEXT: .LBB2_1: # %entry
; CHECK-32-NEXT: #
; CHECK-32-NEXT: stwu r0, -4096(r1)
; CHECK-32-NEXT: bdnz .LBB2_1
; CHECK-32-NEXT: # %bb.2: # %entry
; CHECK-32-NEXT: .cfi_def_cfa_register r1
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: .cfi_def_cfa_offset 65552
; CHECK-32-NEXT: li r3, 3
; CHECK-32-NEXT: stb r3, 16(r1)
; CHECK-32-NEXT: mr r0, r31
; CHECK-32-NEXT: lbz r3, 16(r1)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
entry:
%a = alloca i8, i64 65536
%b = getelementptr inbounds i8, i8* %a, i64 63
store volatile i8 3, i8* %a
%c = load volatile i8, i8* %a
ret i8 %c
}
define i8 @f3() #0 "stack-probe-size"="32768" {
; CHECK-LE-LABEL: f3:
; CHECK-LE: # %bb.0: # %entry
; CHECK-LE-NEXT: mr r0, r1
; CHECK-LE-NEXT: .cfi_def_cfa r0, 0
; CHECK-LE-NEXT: stdu r0, -48(r1)
; CHECK-LE-NEXT: stdu r0, -32768(r1)
; CHECK-LE-NEXT: stdu r0, -32768(r1)
; CHECK-LE-NEXT: .cfi_def_cfa_register r1
; CHECK-LE-NEXT: .cfi_def_cfa_offset 65584
; CHECK-LE-NEXT: li r3, 3
; CHECK-LE-NEXT: stb r3, 48(r1)
; CHECK-LE-NEXT: lbz r3, 48(r1)
; CHECK-LE-NEXT: ld r1, 0(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f3:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: mr r0, r1
; CHECK-BE-NEXT: .cfi_def_cfa r0, 0
; CHECK-BE-NEXT: stdu r0, -64(r1)
; CHECK-BE-NEXT: stdu r0, -32768(r1)
; CHECK-BE-NEXT: stdu r0, -32768(r1)
; CHECK-BE-NEXT: .cfi_def_cfa_register r1
; CHECK-BE-NEXT: .cfi_def_cfa_offset 65600
; CHECK-BE-NEXT: li r3, 3
; CHECK-BE-NEXT: stb r3, 64(r1)
; CHECK-BE-NEXT: lbz r3, 64(r1)
; CHECK-BE-NEXT: ld r1, 0(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f3:
; CHECK-32: # %bb.0: # %entry
; CHECK-32-NEXT: mr r0, r1
; CHECK-32-NEXT: .cfi_def_cfa r0, 0
; CHECK-32-NEXT: stwu r0, -16(r1)
; CHECK-32-NEXT: stwu r0, -32768(r1)
; CHECK-32-NEXT: stwu r0, -32768(r1)
; CHECK-32-NEXT: .cfi_def_cfa_register r1
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: .cfi_def_cfa_offset 65552
; CHECK-32-NEXT: li r3, 3
; CHECK-32-NEXT: stb r3, 16(r1)
; CHECK-32-NEXT: mr r0, r31
; CHECK-32-NEXT: lbz r3, 16(r1)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
entry:
%a = alloca i8, i64 65536
%b = getelementptr inbounds i8, i8* %a, i64 63
store volatile i8 3, i8* %a
%c = load volatile i8, i8* %a
ret i8 %c
}
; Same as f2, but without protection.
define i8 @f4() {
; CHECK-LE-LABEL: f4:
; CHECK-LE: # %bb.0: # %entry
; CHECK-LE-NEXT: lis r0, -2
; CHECK-LE-NEXT: ori r0, r0, 65488
; CHECK-LE-NEXT: stdux r1, r1, r0
; CHECK-LE-NEXT: .cfi_def_cfa_offset 65584
; CHECK-LE-NEXT: li r3, 3
; CHECK-LE-NEXT: stb r3, 48(r1)
; CHECK-LE-NEXT: lbz r3, 48(r1)
; CHECK-LE-NEXT: ld r1, 0(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f4:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: lis r0, -2
; CHECK-BE-NEXT: ori r0, r0, 65472
; CHECK-BE-NEXT: stdux r1, r1, r0
; CHECK-BE-NEXT: .cfi_def_cfa_offset 65600
; CHECK-BE-NEXT: li r3, 3
; CHECK-BE-NEXT: stb r3, 64(r1)
; CHECK-BE-NEXT: lbz r3, 64(r1)
; CHECK-BE-NEXT: ld r1, 0(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f4:
; CHECK-32: # %bb.0: # %entry
; CHECK-32-NEXT: lis r0, -2
; CHECK-32-NEXT: ori r0, r0, 65520
; CHECK-32-NEXT: stwux r1, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: .cfi_def_cfa_offset 65552
; CHECK-32-NEXT: li r3, 3
; CHECK-32-NEXT: stb r3, 16(r1)
; CHECK-32-NEXT: mr r0, r31
; CHECK-32-NEXT: lbz r3, 16(r1)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
entry:
%a = alloca i8, i64 65536
%b = getelementptr inbounds i8, i8* %a, i64 63
store volatile i8 3, i8* %a
%c = load volatile i8, i8* %a
ret i8 %c
}
define i8 @f5() #0 "stack-probe-size"="65536" {
; CHECK-LE-LABEL: f5:
; CHECK-LE: # %bb.0: # %entry
; CHECK-LE-NEXT: mr r0, r1
; CHECK-LE-NEXT: .cfi_def_cfa r0, 0
; CHECK-LE-NEXT: stdu r0, -48(r1)
; CHECK-LE-NEXT: li r12, 16
; CHECK-LE-NEXT: mtctr r12
; CHECK-LE-NEXT: lis r12, -1
; CHECK-LE-NEXT: ori r12, r12, 0
; CHECK-LE-NEXT: .LBB5_1: # %entry
; CHECK-LE-NEXT: #
; CHECK-LE-NEXT: stdux r0, r1, r12
; CHECK-LE-NEXT: bdnz .LBB5_1
; CHECK-LE-NEXT: # %bb.2: # %entry
; CHECK-LE-NEXT: .cfi_def_cfa_register r1
; CHECK-LE-NEXT: .cfi_def_cfa_offset 1048624
; CHECK-LE-NEXT: li r3, 3
; CHECK-LE-NEXT: stb r3, 48(r1)
; CHECK-LE-NEXT: lbz r3, 48(r1)
; CHECK-LE-NEXT: ld r1, 0(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f5:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: mr r0, r1
; CHECK-BE-NEXT: .cfi_def_cfa r0, 0
; CHECK-BE-NEXT: stdu r0, -64(r1)
; CHECK-BE-NEXT: li r12, 16
; CHECK-BE-NEXT: mtctr r12
; CHECK-BE-NEXT: lis r12, -1
; CHECK-BE-NEXT: ori r12, r12, 0
; CHECK-BE-NEXT: .LBB5_1: # %entry
; CHECK-BE-NEXT: #
; CHECK-BE-NEXT: stdux r0, r1, r12
; CHECK-BE-NEXT: bdnz .LBB5_1
; CHECK-BE-NEXT: # %bb.2: # %entry
; CHECK-BE-NEXT: .cfi_def_cfa_register r1
; CHECK-BE-NEXT: .cfi_def_cfa_offset 1048640
; CHECK-BE-NEXT: li r3, 3
; CHECK-BE-NEXT: stb r3, 64(r1)
; CHECK-BE-NEXT: lbz r3, 64(r1)
; CHECK-BE-NEXT: ld r1, 0(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f5:
; CHECK-32: # %bb.0: # %entry
; CHECK-32-NEXT: mr r0, r1
; CHECK-32-NEXT: .cfi_def_cfa r0, 0
; CHECK-32-NEXT: stwu r0, -16(r1)
; CHECK-32-NEXT: li r12, 16
; CHECK-32-NEXT: mtctr r12
; CHECK-32-NEXT: lis r12, -1
; CHECK-32-NEXT: ori r12, r12, 0
; CHECK-32-NEXT: .LBB5_1: # %entry
; CHECK-32-NEXT: #
; CHECK-32-NEXT: stwux r0, r1, r12
; CHECK-32-NEXT: bdnz .LBB5_1
; CHECK-32-NEXT: # %bb.2: # %entry
; CHECK-32-NEXT: .cfi_def_cfa_register r1
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: .cfi_def_cfa_offset 1048592
; CHECK-32-NEXT: li r3, 3
; CHECK-32-NEXT: stb r3, 16(r1)
; CHECK-32-NEXT: mr r0, r31
; CHECK-32-NEXT: lbz r3, 16(r1)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
entry:
%a = alloca i8, i64 1048576
%b = getelementptr inbounds i8, i8* %a, i64 63
store volatile i8 3, i8* %a
%c = load volatile i8, i8* %a
ret i8 %c
}
define i8 @f6() #0 {
; CHECK-LE-LABEL: f6:
; CHECK-LE: # %bb.0: # %entry
; CHECK-LE-NEXT: mr r0, r1
; CHECK-LE-NEXT: .cfi_def_cfa r0, 0
; CHECK-LE-NEXT: stdu r0, -48(r1)
; CHECK-LE-NEXT: lis r12, 4
; CHECK-LE-NEXT: ori r12, r12, 0
; CHECK-LE-NEXT: mtctr r12
; CHECK-LE-NEXT: .LBB6_1: # %entry
; CHECK-LE-NEXT: #
; CHECK-LE-NEXT: stdu r0, -4096(r1)
; CHECK-LE-NEXT: bdnz .LBB6_1
; CHECK-LE-NEXT: # %bb.2: # %entry
; CHECK-LE-NEXT: .cfi_def_cfa_register r1
; CHECK-LE-NEXT: .cfi_def_cfa_offset 1073741872
; CHECK-LE-NEXT: li r3, 3
; CHECK-LE-NEXT: stb r3, 48(r1)
; CHECK-LE-NEXT: lbz r3, 48(r1)
; CHECK-LE-NEXT: ld r1, 0(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f6:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: mr r0, r1
; CHECK-BE-NEXT: .cfi_def_cfa r0, 0
; CHECK-BE-NEXT: stdu r0, -64(r1)
; CHECK-BE-NEXT: lis r12, 4
; CHECK-BE-NEXT: ori r12, r12, 0
; CHECK-BE-NEXT: mtctr r12
; CHECK-BE-NEXT: .LBB6_1: # %entry
; CHECK-BE-NEXT: #
; CHECK-BE-NEXT: stdu r0, -4096(r1)
; CHECK-BE-NEXT: bdnz .LBB6_1
; CHECK-BE-NEXT: # %bb.2: # %entry
; CHECK-BE-NEXT: .cfi_def_cfa_register r1
; CHECK-BE-NEXT: .cfi_def_cfa_offset 1073741888
; CHECK-BE-NEXT: li r3, 3
; CHECK-BE-NEXT: stb r3, 64(r1)
; CHECK-BE-NEXT: lbz r3, 64(r1)
; CHECK-BE-NEXT: ld r1, 0(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f6:
; CHECK-32: # %bb.0: # %entry
; CHECK-32-NEXT: mr r0, r1
; CHECK-32-NEXT: .cfi_def_cfa r0, 0
; CHECK-32-NEXT: stwu r0, -16(r1)
; CHECK-32-NEXT: lis r12, 4
; CHECK-32-NEXT: ori r12, r12, 0
; CHECK-32-NEXT: mtctr r12
; CHECK-32-NEXT: .LBB6_1: # %entry
; CHECK-32-NEXT: #
; CHECK-32-NEXT: stwu r0, -4096(r1)
; CHECK-32-NEXT: bdnz .LBB6_1
; CHECK-32-NEXT: # %bb.2: # %entry
; CHECK-32-NEXT: .cfi_def_cfa_register r1
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: .cfi_def_cfa_offset 1073741840
; CHECK-32-NEXT: li r3, 3
; CHECK-32-NEXT: stb r3, 16(r1)
; CHECK-32-NEXT: mr r0, r31
; CHECK-32-NEXT: lbz r3, 16(r1)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
entry:
%a = alloca i8, i64 1073741824
%b = getelementptr inbounds i8, i8* %a, i64 63
store volatile i8 3, i8* %a
%c = load volatile i8, i8* %a
ret i8 %c
}
define i8 @f7() #0 "stack-probe-size"="65536" {
; CHECK-LE-LABEL: f7:
; CHECK-LE: # %bb.0: # %entry
; CHECK-LE-NEXT: mr r0, r1
; CHECK-LE-NEXT: .cfi_def_cfa r0, 0
; CHECK-LE-NEXT: lis r12, -1
; CHECK-LE-NEXT: ori r12, r12, 13776
; CHECK-LE-NEXT: stdux r0, r1, r12
; CHECK-LE-NEXT: li r12, 15258
; CHECK-LE-NEXT: mtctr r12
; CHECK-LE-NEXT: lis r12, -1
; CHECK-LE-NEXT: ori r12, r12, 0
; CHECK-LE-NEXT: .LBB7_1: # %entry
; CHECK-LE-NEXT: #
; CHECK-LE-NEXT: stdux r0, r1, r12
; CHECK-LE-NEXT: bdnz .LBB7_1
; CHECK-LE-NEXT: # %bb.2: # %entry
; CHECK-LE-NEXT: .cfi_def_cfa_register r1
; CHECK-LE-NEXT: .cfi_def_cfa_offset 1000000048
; CHECK-LE-NEXT: li r3, 3
; CHECK-LE-NEXT: stb r3, 41(r1)
; CHECK-LE-NEXT: lbz r3, 41(r1)
; CHECK-LE-NEXT: ld r1, 0(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f7:
; CHECK-BE: # %bb.0: # %entry
; CHECK-BE-NEXT: mr r0, r1
; CHECK-BE-NEXT: .cfi_def_cfa r0, 0
; CHECK-BE-NEXT: lis r12, -1
; CHECK-BE-NEXT: ori r12, r12, 13760
; CHECK-BE-NEXT: stdux r0, r1, r12
; CHECK-BE-NEXT: li r12, 15258
; CHECK-BE-NEXT: mtctr r12
; CHECK-BE-NEXT: lis r12, -1
; CHECK-BE-NEXT: ori r12, r12, 0
; CHECK-BE-NEXT: .LBB7_1: # %entry
; CHECK-BE-NEXT: #
; CHECK-BE-NEXT: stdux r0, r1, r12
; CHECK-BE-NEXT: bdnz .LBB7_1
; CHECK-BE-NEXT: # %bb.2: # %entry
; CHECK-BE-NEXT: .cfi_def_cfa_register r1
; CHECK-BE-NEXT: .cfi_def_cfa_offset 1000000064
; CHECK-BE-NEXT: li r3, 3
; CHECK-BE-NEXT: stb r3, 57(r1)
; CHECK-BE-NEXT: lbz r3, 57(r1)
; CHECK-BE-NEXT: ld r1, 0(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f7:
; CHECK-32: # %bb.0: # %entry
; CHECK-32-NEXT: mr r0, r1
; CHECK-32-NEXT: .cfi_def_cfa r0, 0
; CHECK-32-NEXT: lis r12, -1
; CHECK-32-NEXT: ori r12, r12, 13808
; CHECK-32-NEXT: stwux r0, r1, r12
; CHECK-32-NEXT: li r12, 15258
; CHECK-32-NEXT: mtctr r12
; CHECK-32-NEXT: lis r12, -1
; CHECK-32-NEXT: ori r12, r12, 0
; CHECK-32-NEXT: .LBB7_1: # %entry
; CHECK-32-NEXT: #
; CHECK-32-NEXT: stwux r0, r1, r12
; CHECK-32-NEXT: bdnz .LBB7_1
; CHECK-32-NEXT: # %bb.2: # %entry
; CHECK-32-NEXT: .cfi_def_cfa_register r1
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: .cfi_def_cfa_offset 1000000016
; CHECK-32-NEXT: li r3, 3
; CHECK-32-NEXT: stb r3, 9(r1)
; CHECK-32-NEXT: mr r0, r31
; CHECK-32-NEXT: lbz r3, 9(r1)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
entry:
%a = alloca i8, i64 1000000007
%b = getelementptr inbounds i8, i8* %a, i64 101
store volatile i8 3, i8* %a
%c = load volatile i8, i8* %a
ret i8 %c
}
; alloca + align < probe_size
define i32 @f8(i64 %i) local_unnamed_addr #0 {
; CHECK-LE-LABEL: f8:
; CHECK-LE: # %bb.0:
; CHECK-LE-NEXT: clrldi r0, r1, 58
; CHECK-LE-NEXT: std r30, -16(r1)
; CHECK-LE-NEXT: mr r30, r1
; CHECK-LE-NEXT: subfic r0, r0, -896
; CHECK-LE-NEXT: stdux r1, r1, r0
; CHECK-LE-NEXT: .cfi_def_cfa_register r30
; CHECK-LE-NEXT: .cfi_offset r30, -16
; CHECK-LE-NEXT: addi r4, r1, 64
; CHECK-LE-NEXT: sldi r3, r3, 2
; CHECK-LE-NEXT: li r5, 1
; CHECK-LE-NEXT: stwx r5, r4, r3
; CHECK-LE-NEXT: lwz r3, 64(r1)
; CHECK-LE-NEXT: mr r1, r30
; CHECK-LE-NEXT: ld r30, -16(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f8:
; CHECK-BE: # %bb.0:
; CHECK-BE-NEXT: clrldi r0, r1, 58
; CHECK-BE-NEXT: std r30, -16(r1)
; CHECK-BE-NEXT: mr r30, r1
; CHECK-BE-NEXT: subfic r0, r0, -896
; CHECK-BE-NEXT: stdux r1, r1, r0
; CHECK-BE-NEXT: .cfi_def_cfa_register r30
; CHECK-BE-NEXT: .cfi_offset r30, -16
; CHECK-BE-NEXT: addi r4, r1, 64
; CHECK-BE-NEXT: li r5, 1
; CHECK-BE-NEXT: sldi r3, r3, 2
; CHECK-BE-NEXT: stwx r5, r4, r3
; CHECK-BE-NEXT: lwz r3, 64(r1)
; CHECK-BE-NEXT: mr r1, r30
; CHECK-BE-NEXT: ld r30, -16(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f8:
; CHECK-32: # %bb.0:
; CHECK-32-NEXT: clrlwi r0, r1, 26
; CHECK-32-NEXT: subfic r0, r0, -896
; CHECK-32-NEXT: stwux r1, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: addic r0, r0, -8
; CHECK-32-NEXT: stwx r30, 0, r0
; CHECK-32-NEXT: addic r30, r0, 8
; CHECK-32-NEXT: .cfi_def_cfa_register r30
; CHECK-32-NEXT: .cfi_offset r30, -8
; CHECK-32-NEXT: addi r3, r1, 64
; CHECK-32-NEXT: li r5, 1
; CHECK-32-NEXT: slwi r4, r4, 2
; CHECK-32-NEXT: stwx r5, r3, r4
; CHECK-32-NEXT: mr r0, r31
; CHECK-32-NEXT: lwz r3, 64(r1)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: lwz r30, -8(r31)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
%a = alloca i32, i32 200, align 64
%b = getelementptr inbounds i32, i32* %a, i64 %i
store volatile i32 1, i32* %b
%c = load volatile i32, i32* %a
ret i32 %c
}
; alloca > probe_size, align > probe_size
define i32 @f9(i64 %i) local_unnamed_addr #0 {
; CHECK-LE-LABEL: f9:
; CHECK-LE: # %bb.0:
; CHECK-LE-NEXT: clrldi r12, r1, 53
; CHECK-LE-NEXT: std r30, -16(r1)
; CHECK-LE-NEXT: mr r30, r1
; CHECK-LE-NEXT: sub r0, r1, r12
; CHECK-LE-NEXT: li r12, -10240
; CHECK-LE-NEXT: add r0, r12, r0
; CHECK-LE-NEXT: sub r12, r0, r1
; CHECK-LE-NEXT: cmpdi r12, -4096
; CHECK-LE-NEXT: bge cr0, .LBB9_2
; CHECK-LE-NEXT: .LBB9_1:
; CHECK-LE-NEXT: stdu r30, -4096(r1)
; CHECK-LE-NEXT: addi r12, r12, 4096
; CHECK-LE-NEXT: cmpdi r12, -4096
; CHECK-LE-NEXT: blt cr0, .LBB9_1
; CHECK-LE-NEXT: .LBB9_2:
; CHECK-LE-NEXT: stdux r30, r1, r12
; CHECK-LE-NEXT: mr r0, r30
; CHECK-LE-NEXT: .cfi_def_cfa_register r0
; CHECK-LE-NEXT: .cfi_def_cfa_register r30
; CHECK-LE-NEXT: .cfi_offset r30, -16
; CHECK-LE-NEXT: addi r4, r1, 2048
; CHECK-LE-NEXT: sldi r3, r3, 2
; CHECK-LE-NEXT: li r5, 1
; CHECK-LE-NEXT: stwx r5, r4, r3
; CHECK-LE-NEXT: lwz r3, 2048(r1)
; CHECK-LE-NEXT: mr r1, r30
; CHECK-LE-NEXT: ld r30, -16(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f9:
; CHECK-BE: # %bb.0:
; CHECK-BE-NEXT: clrldi r12, r1, 53
; CHECK-BE-NEXT: std r30, -16(r1)
; CHECK-BE-NEXT: mr r30, r1
; CHECK-BE-NEXT: sub r0, r1, r12
; CHECK-BE-NEXT: li r12, -10240
; CHECK-BE-NEXT: add r0, r12, r0
; CHECK-BE-NEXT: sub r12, r0, r1
; CHECK-BE-NEXT: cmpdi r12, -4096
; CHECK-BE-NEXT: bge cr0, .LBB9_2
; CHECK-BE-NEXT: .LBB9_1:
; CHECK-BE-NEXT: stdu r30, -4096(r1)
; CHECK-BE-NEXT: addi r12, r12, 4096
; CHECK-BE-NEXT: cmpdi r12, -4096
; CHECK-BE-NEXT: blt cr0, .LBB9_1
; CHECK-BE-NEXT: .LBB9_2:
; CHECK-BE-NEXT: stdux r30, r1, r12
; CHECK-BE-NEXT: mr r0, r30
; CHECK-BE-NEXT: .cfi_def_cfa_register r0
; CHECK-BE-NEXT: .cfi_def_cfa_register r30
; CHECK-BE-NEXT: .cfi_offset r30, -16
; CHECK-BE-NEXT: addi r4, r1, 2048
; CHECK-BE-NEXT: li r5, 1
; CHECK-BE-NEXT: sldi r3, r3, 2
; CHECK-BE-NEXT: stwx r5, r4, r3
; CHECK-BE-NEXT: lwz r3, 2048(r1)
; CHECK-BE-NEXT: mr r1, r30
; CHECK-BE-NEXT: ld r30, -16(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f9:
; CHECK-32: # %bb.0:
; CHECK-32-NEXT: clrlwi r12, r1, 21
; CHECK-32-NEXT: sub r0, r1, r12
; CHECK-32-NEXT: li r12, -10240
; CHECK-32-NEXT: add r0, r12, r0
; CHECK-32-NEXT: sub r12, r0, r1
; CHECK-32-NEXT: mr r0, r1
; CHECK-32-NEXT: cmpwi r12, -4096
; CHECK-32-NEXT: bge cr0, .LBB9_2
; CHECK-32-NEXT: .LBB9_1:
; CHECK-32-NEXT: stwu r0, -4096(r1)
; CHECK-32-NEXT: addi r12, r12, 4096
; CHECK-32-NEXT: cmpwi r12, -4096
; CHECK-32-NEXT: blt cr0, .LBB9_1
; CHECK-32-NEXT: .LBB9_2:
; CHECK-32-NEXT: stwux r0, r1, r12
; CHECK-32-NEXT: .cfi_def_cfa_register r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: addic r0, r0, -8
; CHECK-32-NEXT: stwx r30, 0, r0
; CHECK-32-NEXT: addic r30, r0, 8
; CHECK-32-NEXT: .cfi_def_cfa_register r30
; CHECK-32-NEXT: .cfi_offset r30, -8
; CHECK-32-NEXT: addi r3, r1, 2048
; CHECK-32-NEXT: li r5, 1
; CHECK-32-NEXT: slwi r4, r4, 2
; CHECK-32-NEXT: stwx r5, r3, r4
; CHECK-32-NEXT: mr r0, r31
; CHECK-32-NEXT: lwz r3, 2048(r1)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: lwz r30, -8(r31)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
%a = alloca i32, i32 2000, align 2048
%b = getelementptr inbounds i32, i32* %a, i64 %i
store volatile i32 1, i32* %b
%c = load volatile i32, i32* %a
ret i32 %c
}
; alloca < probe_size, align < probe_size, alloca + align > probe_size
define i32 @f10(i64 %i) local_unnamed_addr #0 {
; CHECK-LE-LABEL: f10:
; CHECK-LE: # %bb.0:
; CHECK-LE-NEXT: clrldi r12, r1, 54
; CHECK-LE-NEXT: std r30, -16(r1)
; CHECK-LE-NEXT: mr r30, r1
; CHECK-LE-NEXT: sub r0, r1, r12
; CHECK-LE-NEXT: li r12, -5120
; CHECK-LE-NEXT: add r0, r12, r0
; CHECK-LE-NEXT: sub r12, r0, r1
; CHECK-LE-NEXT: cmpdi r12, -4096
; CHECK-LE-NEXT: bge cr0, .LBB10_2
; CHECK-LE-NEXT: .LBB10_1:
; CHECK-LE-NEXT: stdu r30, -4096(r1)
; CHECK-LE-NEXT: addi r12, r12, 4096
; CHECK-LE-NEXT: cmpdi r12, -4096
; CHECK-LE-NEXT: blt cr0, .LBB10_1
; CHECK-LE-NEXT: .LBB10_2:
; CHECK-LE-NEXT: stdux r30, r1, r12
; CHECK-LE-NEXT: mr r0, r30
; CHECK-LE-NEXT: .cfi_def_cfa_register r0
; CHECK-LE-NEXT: .cfi_def_cfa_register r30
; CHECK-LE-NEXT: .cfi_offset r30, -16
; CHECK-LE-NEXT: addi r4, r1, 1024
; CHECK-LE-NEXT: sldi r3, r3, 2
; CHECK-LE-NEXT: li r5, 1
; CHECK-LE-NEXT: stwx r5, r4, r3
; CHECK-LE-NEXT: lwz r3, 1024(r1)
; CHECK-LE-NEXT: mr r1, r30
; CHECK-LE-NEXT: ld r30, -16(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f10:
; CHECK-BE: # %bb.0:
; CHECK-BE-NEXT: clrldi r12, r1, 54
; CHECK-BE-NEXT: std r30, -16(r1)
; CHECK-BE-NEXT: mr r30, r1
; CHECK-BE-NEXT: sub r0, r1, r12
; CHECK-BE-NEXT: li r12, -5120
; CHECK-BE-NEXT: add r0, r12, r0
; CHECK-BE-NEXT: sub r12, r0, r1
; CHECK-BE-NEXT: cmpdi r12, -4096
; CHECK-BE-NEXT: bge cr0, .LBB10_2
; CHECK-BE-NEXT: .LBB10_1:
; CHECK-BE-NEXT: stdu r30, -4096(r1)
; CHECK-BE-NEXT: addi r12, r12, 4096
; CHECK-BE-NEXT: cmpdi r12, -4096
; CHECK-BE-NEXT: blt cr0, .LBB10_1
; CHECK-BE-NEXT: .LBB10_2:
; CHECK-BE-NEXT: stdux r30, r1, r12
; CHECK-BE-NEXT: mr r0, r30
; CHECK-BE-NEXT: .cfi_def_cfa_register r0
; CHECK-BE-NEXT: .cfi_def_cfa_register r30
; CHECK-BE-NEXT: .cfi_offset r30, -16
; CHECK-BE-NEXT: addi r4, r1, 1024
; CHECK-BE-NEXT: li r5, 1
; CHECK-BE-NEXT: sldi r3, r3, 2
; CHECK-BE-NEXT: stwx r5, r4, r3
; CHECK-BE-NEXT: lwz r3, 1024(r1)
; CHECK-BE-NEXT: mr r1, r30
; CHECK-BE-NEXT: ld r30, -16(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f10:
; CHECK-32: # %bb.0:
; CHECK-32-NEXT: clrlwi r12, r1, 22
; CHECK-32-NEXT: sub r0, r1, r12
; CHECK-32-NEXT: li r12, -5120
; CHECK-32-NEXT: add r0, r12, r0
; CHECK-32-NEXT: sub r12, r0, r1
; CHECK-32-NEXT: mr r0, r1
; CHECK-32-NEXT: cmpwi r12, -4096
; CHECK-32-NEXT: bge cr0, .LBB10_2
; CHECK-32-NEXT: .LBB10_1:
; CHECK-32-NEXT: stwu r0, -4096(r1)
; CHECK-32-NEXT: addi r12, r12, 4096
; CHECK-32-NEXT: cmpwi r12, -4096
; CHECK-32-NEXT: blt cr0, .LBB10_1
; CHECK-32-NEXT: .LBB10_2:
; CHECK-32-NEXT: stwux r0, r1, r12
; CHECK-32-NEXT: .cfi_def_cfa_register r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: addic r0, r0, -8
; CHECK-32-NEXT: stwx r30, 0, r0
; CHECK-32-NEXT: addic r30, r0, 8
; CHECK-32-NEXT: .cfi_def_cfa_register r30
; CHECK-32-NEXT: .cfi_offset r30, -8
; CHECK-32-NEXT: addi r3, r1, 1024
; CHECK-32-NEXT: li r5, 1
; CHECK-32-NEXT: slwi r4, r4, 2
; CHECK-32-NEXT: stwx r5, r3, r4
; CHECK-32-NEXT: mr r0, r31
; CHECK-32-NEXT: lwz r3, 1024(r1)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: lwz r30, -8(r31)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
%a = alloca i32, i32 1000, align 1024
%b = getelementptr inbounds i32, i32* %a, i64 %i
store volatile i32 1, i32* %b
%c = load volatile i32, i32* %a
ret i32 %c
}
define void @f11(i32 %vla_size, i64 %i) #0 {
; CHECK-LE-LABEL: f11:
; CHECK-LE: # %bb.0:
; CHECK-LE-NEXT: clrldi r12, r1, 49
; CHECK-LE-NEXT: std r31, -8(r1)
; CHECK-LE-NEXT: std r30, -16(r1)
; CHECK-LE-NEXT: mr r30, r1
; CHECK-LE-NEXT: sub r0, r1, r12
; CHECK-LE-NEXT: lis r12, -2
; CHECK-LE-NEXT: ori r12, r12, 32768
; CHECK-LE-NEXT: add r0, r12, r0
; CHECK-LE-NEXT: sub r12, r0, r1
; CHECK-LE-NEXT: cmpdi r12, -4096
; CHECK-LE-NEXT: bge cr0, .LBB11_2
; CHECK-LE-NEXT: .LBB11_1:
; CHECK-LE-NEXT: stdu r30, -4096(r1)
; CHECK-LE-NEXT: addi r12, r12, 4096
; CHECK-LE-NEXT: cmpdi r12, -4096
; CHECK-LE-NEXT: blt cr0, .LBB11_1
; CHECK-LE-NEXT: .LBB11_2:
; CHECK-LE-NEXT: stdux r30, r1, r12
; CHECK-LE-NEXT: mr r0, r30
; CHECK-LE-NEXT: .cfi_def_cfa_register r0
; CHECK-LE-NEXT: .cfi_def_cfa_register r30
; CHECK-LE-NEXT: .cfi_offset r31, -8
; CHECK-LE-NEXT: .cfi_offset r30, -16
; CHECK-LE-NEXT: clrldi r3, r3, 32
; CHECK-LE-NEXT: lis r5, 1
; CHECK-LE-NEXT: mr r31, r1
; CHECK-LE-NEXT: li r6, 1
; CHECK-LE-NEXT: addi r3, r3, 15
; CHECK-LE-NEXT: ori r5, r5, 0
; CHECK-LE-NEXT: rldicl r3, r3, 60, 4
; CHECK-LE-NEXT: sldi r4, r4, 2
; CHECK-LE-NEXT: add r5, r31, r5
; CHECK-LE-NEXT: rldicl r3, r3, 4, 31
; CHECK-LE-NEXT: stwx r6, r5, r4
; CHECK-LE-NEXT: li r4, -32768
; CHECK-LE-NEXT: neg r7, r3
; CHECK-LE-NEXT: ld r3, 0(r1)
; CHECK-LE-NEXT: and r4, r7, r4
; CHECK-LE-NEXT: mr r7, r4
; CHECK-LE-NEXT: li r4, -4096
; CHECK-LE-NEXT: divd r5, r7, r4
; CHECK-LE-NEXT: mulld r4, r5, r4
; CHECK-LE-NEXT: sub r5, r7, r4
; CHECK-LE-NEXT: add r4, r1, r7
; CHECK-LE-NEXT: stdux r3, r1, r5
; CHECK-LE-NEXT: cmpd r1, r4
; CHECK-LE-NEXT: beq cr0, .LBB11_4
; CHECK-LE-NEXT: .LBB11_3:
; CHECK-LE-NEXT: stdu r3, -4096(r1)
; CHECK-LE-NEXT: cmpd r1, r4
; CHECK-LE-NEXT: bne cr0, .LBB11_3
; CHECK-LE-NEXT: .LBB11_4:
; CHECK-LE-NEXT: addi r3, r1, -32768
; CHECK-LE-NEXT: lbz r3, 0(r3)
; CHECK-LE-NEXT: mr r1, r30
; CHECK-LE-NEXT: ld r31, -8(r1)
; CHECK-LE-NEXT: ld r30, -16(r1)
; CHECK-LE-NEXT: blr
;
; CHECK-BE-LABEL: f11:
; CHECK-BE: # %bb.0:
; CHECK-BE-NEXT: clrldi r12, r1, 49
; CHECK-BE-NEXT: std r31, -8(r1)
; CHECK-BE-NEXT: std r30, -16(r1)
; CHECK-BE-NEXT: mr r30, r1
; CHECK-BE-NEXT: sub r0, r1, r12
; CHECK-BE-NEXT: lis r12, -2
; CHECK-BE-NEXT: ori r12, r12, 32768
; CHECK-BE-NEXT: add r0, r12, r0
; CHECK-BE-NEXT: sub r12, r0, r1
; CHECK-BE-NEXT: cmpdi r12, -4096
; CHECK-BE-NEXT: bge cr0, .LBB11_2
; CHECK-BE-NEXT: .LBB11_1:
; CHECK-BE-NEXT: stdu r30, -4096(r1)
; CHECK-BE-NEXT: addi r12, r12, 4096
; CHECK-BE-NEXT: cmpdi r12, -4096
; CHECK-BE-NEXT: blt cr0, .LBB11_1
; CHECK-BE-NEXT: .LBB11_2:
; CHECK-BE-NEXT: stdux r30, r1, r12
; CHECK-BE-NEXT: mr r0, r30
; CHECK-BE-NEXT: .cfi_def_cfa_register r0
; CHECK-BE-NEXT: .cfi_def_cfa_register r30
; CHECK-BE-NEXT: .cfi_offset r31, -8
; CHECK-BE-NEXT: .cfi_offset r30, -16
; CHECK-BE-NEXT: clrldi r3, r3, 32
; CHECK-BE-NEXT: lis r5, 1
; CHECK-BE-NEXT: addi r3, r3, 15
; CHECK-BE-NEXT: mr r31, r1
; CHECK-BE-NEXT: ori r5, r5, 0
; CHECK-BE-NEXT: rldicl r3, r3, 60, 4
; CHECK-BE-NEXT: add r5, r31, r5
; CHECK-BE-NEXT: sldi r4, r4, 2
; CHECK-BE-NEXT: li r6, 1
; CHECK-BE-NEXT: rldicl r3, r3, 4, 31
; CHECK-BE-NEXT: stwx r6, r5, r4
; CHECK-BE-NEXT: neg r7, r3
; CHECK-BE-NEXT: li r4, -32768
; CHECK-BE-NEXT: and r4, r7, r4
; CHECK-BE-NEXT: ld r3, 0(r1)
; CHECK-BE-NEXT: mr r7, r4
; CHECK-BE-NEXT: li r4, -4096
; CHECK-BE-NEXT: divd r5, r7, r4
; CHECK-BE-NEXT: mulld r4, r5, r4
; CHECK-BE-NEXT: sub r5, r7, r4
; CHECK-BE-NEXT: add r4, r1, r7
; CHECK-BE-NEXT: stdux r3, r1, r5
; CHECK-BE-NEXT: cmpd r1, r4
; CHECK-BE-NEXT: beq cr0, .LBB11_4
; CHECK-BE-NEXT: .LBB11_3:
; CHECK-BE-NEXT: stdu r3, -4096(r1)
; CHECK-BE-NEXT: cmpd r1, r4
; CHECK-BE-NEXT: bne cr0, .LBB11_3
; CHECK-BE-NEXT: .LBB11_4:
; CHECK-BE-NEXT: addi r3, r1, -32768
; CHECK-BE-NEXT: lbz r3, 0(r3)
; CHECK-BE-NEXT: mr r1, r30
; CHECK-BE-NEXT: ld r31, -8(r1)
; CHECK-BE-NEXT: ld r30, -16(r1)
; CHECK-BE-NEXT: blr
;
; CHECK-32-LABEL: f11:
; CHECK-32: # %bb.0:
; CHECK-32-NEXT: clrlwi r12, r1, 17
; CHECK-32-NEXT: sub r0, r1, r12
; CHECK-32-NEXT: lis r12, -2
; CHECK-32-NEXT: ori r12, r12, 32768
; CHECK-32-NEXT: add r0, r12, r0
; CHECK-32-NEXT: sub r12, r0, r1
; CHECK-32-NEXT: mr r0, r1
; CHECK-32-NEXT: cmpwi r12, -4096
; CHECK-32-NEXT: bge cr0, .LBB11_2
; CHECK-32-NEXT: .LBB11_1:
; CHECK-32-NEXT: stwu r0, -4096(r1)
; CHECK-32-NEXT: addi r12, r12, 4096
; CHECK-32-NEXT: cmpwi r12, -4096
; CHECK-32-NEXT: blt cr0, .LBB11_1
; CHECK-32-NEXT: .LBB11_2:
; CHECK-32-NEXT: stwux r0, r1, r12
; CHECK-32-NEXT: .cfi_def_cfa_register r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: sub r0, r1, r0
; CHECK-32-NEXT: addic r0, r0, -4
; CHECK-32-NEXT: stwx r31, 0, r0
; CHECK-32-NEXT: addic r0, r0, -4
; CHECK-32-NEXT: stwx r30, 0, r0
; CHECK-32-NEXT: addic r30, r0, 8
; CHECK-32-NEXT: .cfi_def_cfa_register r30
; CHECK-32-NEXT: .cfi_offset r31, -4
; CHECK-32-NEXT: .cfi_offset r30, -8
; CHECK-32-NEXT: lis r4, 1
; CHECK-32-NEXT: mr r31, r1
; CHECK-32-NEXT: ori r4, r4, 0
; CHECK-32-NEXT: addi r3, r3, 15
; CHECK-32-NEXT: add r4, r31, r4
; CHECK-32-NEXT: li r5, 1
; CHECK-32-NEXT: slwi r6, r6, 2
; CHECK-32-NEXT: rlwinm r3, r3, 0, 0, 27
; CHECK-32-NEXT: neg r7, r3
; CHECK-32-NEXT: stwx r5, r4, r6
; CHECK-32-NEXT: li r4, -32768
; CHECK-32-NEXT: and r4, r7, r4
; CHECK-32-NEXT: lwz r3, 0(r1)
; CHECK-32-NEXT: mr r7, r4
; CHECK-32-NEXT: li r4, -4096
; CHECK-32-NEXT: divw r5, r7, r4
; CHECK-32-NEXT: mullw r4, r5, r4
; CHECK-32-NEXT: sub r5, r7, r4
; CHECK-32-NEXT: add r4, r1, r7
; CHECK-32-NEXT: stwux r3, r1, r5
; CHECK-32-NEXT: cmpw r1, r4
; CHECK-32-NEXT: beq cr0, .LBB11_4
; CHECK-32-NEXT: .LBB11_3:
; CHECK-32-NEXT: stwu r3, -4096(r1)
; CHECK-32-NEXT: cmpw r1, r4
; CHECK-32-NEXT: bne cr0, .LBB11_3
; CHECK-32-NEXT: .LBB11_4:
; CHECK-32-NEXT: addi r3, r1, -32768
; CHECK-32-NEXT: lbz r3, 0(r3)
; CHECK-32-NEXT: lwz r31, 0(r1)
; CHECK-32-NEXT: lwz r0, -4(r31)
; CHECK-32-NEXT: lwz r30, -8(r31)
; CHECK-32-NEXT: mr r1, r31
; CHECK-32-NEXT: mr r31, r0
; CHECK-32-NEXT: blr
%a = alloca i32, i32 4096, align 32768
%b = getelementptr inbounds i32, i32* %a, i64 %i
store volatile i32 1, i32* %b
%1 = zext i32 %vla_size to i64
%vla = alloca i8, i64 %1, align 2048
%2 = load volatile i8, i8* %vla, align 2048
ret void
}
attributes #0 = { "probe-stack"="inline-asm" }
|