Lines Matching full:apint
1 //===- llvm/unittest/ADT/APInt.cpp - APInt unit tests ---------------------===//
10 #include "llvm/ADT/APInt.h"
19 // Test that APInt shift left works when bitwidth > 64 and shiftamt == 0
21 APInt One = APInt::getNullValue(65) + 1;
22 APInt Shl = One.shl(0);
28 APInt Minus3(128, static_cast<uint64_t>(-3), true);
32 APInt Minus1(128, static_cast<uint64_t>(-1), true);
46 APInt i33minus2(33, static_cast<uint64_t>(-2), true);
59 APInt i65(65, 0, true);
67 APInt i65minus(65, 0, true);
77 APInt u128max = APInt::getAllOnesValue(128);
85 APInt u64max(128, static_cast<uint64_t>(-1), false);
94 APInt zero(128, 0, true);
104 APInt one(128, 1, true);
116 const APInt neg_two(1, static_cast<uint64_t>(-2), true);
117 const APInt neg_one(1, static_cast<uint64_t>(-1), true);
118 const APInt zero(1, 0);
119 const APInt one(1, 1);
120 const APInt two(1, 2);
185 APInt q(8, 0);
186 APInt r(8, 0);
187 APInt one(8, 1);
188 APInt two(8, 2);
189 APInt nine(8, 9);
190 APInt four(8, 4);
197 APInt::sdivrem(nine, two, q, r);
200 APInt::sdivrem(-nine, two, q, r);
203 APInt::sdivrem(nine, -two, q, r);
206 APInt::sdivrem(-nine, -two, q, r);
214 APInt a{256, "1ffffffffffffffff", 16};
215 APInt b{256, "1ffffffffffffffff", 16};
216 APInt c{256, 0};
223 APInt::udivrem(p, a, q, r);
230 APInt::udivrem(p, b, q, r);
237 APInt::sdivrem(p, a, q, r);
244 APInt::sdivrem(p, b, q, r);
251 APInt a{1024, "111111ffffffffffffffff"
255 APInt b{1024, "112233ceff"
260 APInt c{1024, 7919};
267 APInt::udivrem(p, a, q, r);
274 APInt::udivrem(p, b, q, r);
281 APInt::sdivrem(p, a, q, r);
288 APInt::sdivrem(p, b, q, r);
295 APInt a{256, "ffffffffffffff0000000", 16};
296 APInt b{256, "80000001ffffffffffffffff", 16};
297 APInt c{256, 4219};
304 APInt::udivrem(p, a, q, r);
311 APInt::udivrem(p, b, q, r);
318 APInt::sdivrem(p, a, q, r);
325 APInt::sdivrem(p, b, q, r);
332 auto a = APInt{4096, 1}.shl(2000);
333 auto b = APInt{4096, 5}.shl(2001);
334 auto c = APInt{4096, 4219*13};
341 q = APInt{1024, 0}; // test non-single word APInt conversion in divide()
342 r = APInt{1024, 0};
343 APInt::udivrem(p, a, q, r);
350 q = APInt{1024, 0};
351 r = APInt{1024, 0};
352 APInt::udivrem(p, b, q, r);
359 q = APInt{1024, 0};
360 r = APInt{1024, 0};
361 APInt::sdivrem(p, a, q, r);
368 q = APInt{1024, 0};
369 r = APInt{1024, 0};
370 APInt::sdivrem(p, b, q, r);
377 auto a = APInt{1024, 19}.shl(811);
378 auto b = APInt{1024, 4356013}; // one word
379 auto c = APInt{1024, 1};
386 APInt::udivrem(p, a, q, r);
393 APInt::udivrem(p, b, q, r);
400 APInt::sdivrem(p, a, q, r);
407 APInt::sdivrem(p, b, q, r);
413 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 2));
414 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 2));
415 EXPECT_EQ(APInt(32, 2), APInt(32, "10", 2));
416 EXPECT_EQ(APInt(32, 3), APInt(32, "11", 2));
417 EXPECT_EQ(APInt(32, 4), APInt(32, "100", 2));
419 EXPECT_EQ(APInt(32, 0), APInt(32, "+0", 2));
420 EXPECT_EQ(APInt(32, 1), APInt(32, "+1", 2));
421 EXPECT_EQ(APInt(32, 2), APInt(32, "+10", 2));
422 EXPECT_EQ(APInt(32, 3), APInt(32, "+11", 2));
423 EXPECT_EQ(APInt(32, 4), APInt(32, "+100", 2));
425 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 2));
426 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 2));
427 EXPECT_EQ(APInt(32, uint64_t(-2LL)), APInt(32, "-10", 2));
428 EXPECT_EQ(APInt(32, uint64_t(-3LL)), APInt(32, "-11", 2));
429 EXPECT_EQ(APInt(32, uint64_t(-4LL)), APInt(32, "-100", 2));
432 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 8));
433 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 8));
434 EXPECT_EQ(APInt(32, 7), APInt(32, "7", 8));
435 EXPECT_EQ(APInt(32, 8), APInt(32, "10", 8));
436 EXPECT_EQ(APInt(32, 15), APInt(32, "17", 8));
437 EXPECT_EQ(APInt(32, 16), APInt(32, "20", 8));
439 EXPECT_EQ(APInt(32, +0), APInt(32, "+0", 8));
440 EXPECT_EQ(APInt(32, +1), APInt(32, "+1", 8));
441 EXPECT_EQ(APInt(32, +7), APInt(32, "+7", 8));
442 EXPECT_EQ(APInt(32, +8), APInt(32, "+10", 8));
443 EXPECT_EQ(APInt(32, +15), APInt(32, "+17", 8));
444 EXPECT_EQ(APInt(32, +16), APInt(32, "+20", 8));
446 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 8));
447 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 8));
448 EXPECT_EQ(APInt(32, uint64_t(-7LL)), APInt(32, "-7", 8));
449 EXPECT_EQ(APInt(32, uint64_t(-8LL)), APInt(32, "-10", 8));
450 EXPECT_EQ(APInt(32, uint64_t(-15LL)), APInt(32, "-17", 8));
451 EXPECT_EQ(APInt(32, uint64_t(-16LL)), APInt(32, "-20", 8));
454 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 10));
455 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 10));
456 EXPECT_EQ(APInt(32, 9), APInt(32, "9", 10));
457 EXPECT_EQ(APInt(32, 10), APInt(32, "10", 10));
458 EXPECT_EQ(APInt(32, 19), APInt(32, "19", 10));
459 EXPECT_EQ(APInt(32, 20), APInt(32, "20", 10));
461 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 10));
462 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 10));
463 EXPECT_EQ(APInt(32, uint64_t(-9LL)), APInt(32, "-9", 10));
464 EXPECT_EQ(APInt(32, uint64_t(-10LL)), APInt(32, "-10", 10));
465 EXPECT_EQ(APInt(32, uint64_t(-19LL)), APInt(32, "-19", 10));
466 EXPECT_EQ(APInt(32, uint64_t(-20LL)), APInt(32, "-20", 10));
469 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 16));
470 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 16));
471 EXPECT_EQ(APInt(32, 15), APInt(32, "F", 16));
472 EXPECT_EQ(APInt(32, 16), APInt(32, "10", 16));
473 EXPECT_EQ(APInt(32, 31), APInt(32, "1F", 16));
474 EXPECT_EQ(APInt(32, 32), APInt(32, "20", 16));
476 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 16));
477 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 16));
478 EXPECT_EQ(APInt(32, uint64_t(-15LL)), APInt(32, "-F", 16));
479 EXPECT_EQ(APInt(32, uint64_t(-16LL)), APInt(32, "-10", 16));
480 EXPECT_EQ(APInt(32, uint64_t(-31LL)), APInt(32, "-1F", 16));
481 EXPECT_EQ(APInt(32, uint64_t(-32LL)), APInt(32, "-20", 16));
483 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 36));
484 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 36));
485 EXPECT_EQ(APInt(32, 35), APInt(32, "Z", 36));
486 EXPECT_EQ(APInt(32, 36), APInt(32, "10", 36));
487 EXPECT_EQ(APInt(32, 71), APInt(32, "1Z", 36));
488 EXPECT_EQ(APInt(32, 72), APInt(32, "20", 36));
490 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 36));
491 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 36));
492 EXPECT_EQ(APInt(32, uint64_t(-35LL)), APInt(32, "-Z", 36));
493 EXPECT_EQ(APInt(32, uint64_t(-36LL)), APInt(32, "-10", 36));
494 EXPECT_EQ(APInt(32, uint64_t(-71LL)), APInt(32, "-1Z", 36));
495 EXPECT_EQ(APInt(32, uint64_t(-72LL)), APInt(32, "-20", 36));
499 EXPECT_EQ(APInt(32, uint64_t(1)), APInt(32, ArrayRef<uint64_t>(1)));
503 EXPECT_EQ(1U, APInt::getBitsNeeded( "0", 2));
504 EXPECT_EQ(1U, APInt::getBitsNeeded( "1", 2));
505 EXPECT_EQ(2U, APInt::getBitsNeeded( "10", 2));
506 EXPECT_EQ(2U, APInt::getBitsNeeded( "11", 2));
507 EXPECT_EQ(3U, APInt::getBitsNeeded("100", 2));
509 EXPECT_EQ(1U, APInt::getBitsNeeded( "+0", 2));
510 EXPECT_EQ(1U, APInt::getBitsNeeded( "+1", 2));
511 EXPECT_EQ(2U, APInt::getBitsNeeded( "+10", 2));
512 EXPECT_EQ(2U, APInt::getBitsNeeded( "+11", 2));
513 EXPECT_EQ(3U, APInt::getBitsNeeded("+100", 2));
515 EXPECT_EQ(2U, APInt::getBitsNeeded( "-0", 2));
516 EXPECT_EQ(2U, APInt::getBitsNeeded( "-1", 2));
517 EXPECT_EQ(3U, APInt::getBitsNeeded( "-10", 2));
518 EXPECT_EQ(3U, APInt::getBitsNeeded( "-11", 2));
519 EXPECT_EQ(4U, APInt::getBitsNeeded("-100", 2));
523 EXPECT_EQ(3U, APInt::getBitsNeeded( "0", 8));
524 EXPECT_EQ(3U, APInt::getBitsNeeded( "7", 8));
525 EXPECT_EQ(6U, APInt::getBitsNeeded("10", 8));
526 EXPECT_EQ(6U, APInt::getBitsNeeded("17", 8));
527 EXPECT_EQ(6U, APInt::getBitsNeeded("20", 8));
529 EXPECT_EQ(3U, APInt::getBitsNeeded( "+0", 8));
530 EXPECT_EQ(3U, APInt::getBitsNeeded( "+7", 8));
531 EXPECT_EQ(6U, APInt::getBitsNeeded("+10", 8));
532 EXPECT_EQ(6U, APInt::getBitsNeeded("+17", 8));
533 EXPECT_EQ(6U, APInt::getBitsNeeded("+20", 8));
535 EXPECT_EQ(4U, APInt::getBitsNeeded( "-0", 8));
536 EXPECT_EQ(4U, APInt::getBitsNeeded( "-7", 8));
537 EXPECT_EQ(7U, APInt::getBitsNeeded("-10", 8));
538 EXPECT_EQ(7U, APInt::getBitsNeeded("-17", 8));
539 EXPECT_EQ(7U, APInt::getBitsNeeded("-20", 8));
543 EXPECT_EQ(1U, APInt::getBitsNeeded( "0", 10));
544 EXPECT_EQ(2U, APInt::getBitsNeeded( "3", 10));
545 EXPECT_EQ(4U, APInt::getBitsNeeded( "9", 10));
546 EXPECT_EQ(4U, APInt::getBitsNeeded("10", 10));
547 EXPECT_EQ(5U, APInt::getBitsNeeded("19", 10));
548 EXPECT_EQ(5U, APInt::getBitsNeeded("20", 10));
550 EXPECT_EQ(1U, APInt::getBitsNeeded( "+0", 10));
551 EXPECT_EQ(4U, APInt::getBitsNeeded( "+9", 10));
552 EXPECT_EQ(4U, APInt::getBitsNeeded("+10", 10));
553 EXPECT_EQ(5U, APInt::getBitsNeeded("+19", 10));
554 EXPECT_EQ(5U, APInt::getBitsNeeded("+20", 10));
556 EXPECT_EQ(2U, APInt::getBitsNeeded( "-0", 10));
557 EXPECT_EQ(5U, APInt::getBitsNeeded( "-9", 10));
558 EXPECT_EQ(5U, APInt::getBitsNeeded("-10", 10));
559 EXPECT_EQ(6U, APInt::getBitsNeeded("-19", 10));
560 EXPECT_EQ(6U, APInt::getBitsNeeded("-20", 10));
564 EXPECT_EQ(4U, APInt::getBitsNeeded( "0", 16));
565 EXPECT_EQ(4U, APInt::getBitsNeeded( "F", 16));
566 EXPECT_EQ(8U, APInt::getBitsNeeded("10", 16));
567 EXPECT_EQ(8U, APInt::getBitsNeeded("1F", 16));
568 EXPECT_EQ(8U, APInt::getBitsNeeded("20", 16));
570 EXPECT_EQ(4U, APInt::getBitsNeeded( "+0", 16));
571 EXPECT_EQ(4U, APInt::getBitsNeeded( "+F", 16));
572 EXPECT_EQ(8U, APInt::getBitsNeeded("+10", 16));
573 EXPECT_EQ(8U, APInt::getBitsNeeded("+1F", 16));
574 EXPECT_EQ(8U, APInt::getBitsNeeded("+20", 16));
576 EXPECT_EQ(5U, APInt::getBitsNeeded( "-0", 16));
577 EXPECT_EQ(5U, APInt::getBitsNeeded( "-F", 16));
578 EXPECT_EQ(9U, APInt::getBitsNeeded("-10", 16));
579 EXPECT_EQ(9U, APInt::getBitsNeeded("-1F", 16));
580 EXPECT_EQ(9U, APInt::getBitsNeeded("-20", 16));
587 APInt(8, 0).toString(S, 2, true, true);
590 APInt(8, 0).toString(S, 8, true, true);
593 APInt(8, 0).toString(S, 10, true, true);
596 APInt(8, 0).toString(S, 16, true, true);
599 APInt(8, 0).toString(S, 36, true, false);
604 APInt(8, 255, isSigned).toString(S, 2, isSigned, true);
607 APInt(8, 255, isSigned).toString(S, 8, isSigned, true);
610 APInt(8, 255, isSigned).toString(S, 10, isSigned, true);
613 APInt(8, 255, isSigned).toString(S, 16, isSigned, true);
616 APInt(8, 255, isSigned).toString(S, 36, isSigned, false);
621 APInt(8, 255, isSigned).toString(S, 2, isSigned, true);
624 APInt(8, 255, isSigned).toString(S, 8, isSigned, true);
627 APInt(8, 255, isSigned).toString(S, 10, isSigned, true);
630 APInt(8, 255, isSigned).toString(S, 16, isSigned, true);
633 APInt(8, 255, isSigned).toString(S, 36, isSigned, false);
639 EXPECT_EQ(APInt(15, 7).logBase2(), 2U);
640 EXPECT_EQ(APInt(15, 7).ceilLogBase2(), 3U);
641 EXPECT_EQ(APInt(15, 7).exactLogBase2(), -1);
642 EXPECT_EQ(APInt(15, 8).logBase2(), 3U);
643 EXPECT_EQ(APInt(15, 8).ceilLogBase2(), 3U);
644 EXPECT_EQ(APInt(15, 8).exactLogBase2(), 3);
645 EXPECT_EQ(APInt(15, 9).logBase2(), 3U);
646 EXPECT_EQ(APInt(15, 9).ceilLogBase2(), 4U);
647 EXPECT_EQ(APInt(15, 9).exactLogBase2(), -1);
651 EXPECT_EQ(APInt(32, 3).magic().m, APInt(32, "55555556", 16));
652 EXPECT_EQ(APInt(32, 3).magic().s, 0U);
653 EXPECT_EQ(APInt(32, 5).magic().m, APInt(32, "66666667", 16));
654 EXPECT_EQ(APInt(32, 5).magic().s, 1U);
655 EXPECT_EQ(APInt(32, 7).magic().m, APInt(32, "92492493", 16));
656 EXPECT_EQ(APInt(32, 7).magic().s, 2U);
660 EXPECT_EQ(APInt(32, 3).magicu().m, APInt(32, "AAAAAAAB", 16));
661 EXPECT_EQ(APInt(32, 3).magicu().s, 1U);
662 EXPECT_EQ(APInt(32, 5).magicu().m, APInt(32, "CCCCCCCD", 16));
663 EXPECT_EQ(APInt(32, 5).magicu().s, 2U);
664 EXPECT_EQ(APInt(32, 7).magicu().m, APInt(32, "24924925", 16));
665 EXPECT_EQ(APInt(32, 7).magicu().s, 3U);
666 EXPECT_EQ(APInt(64, 25).magicu(1).m, APInt(64, "A3D70A3D70A3D70B", 16));
667 EXPECT_EQ(APInt(64, 25).magicu(1).s, 4U);
673 EXPECT_DEATH(APInt(0, "", 0), "Bitwidth too small");
674 EXPECT_DEATH(APInt(32, "", 0), "Invalid string length");
675 EXPECT_DEATH(APInt(32, "0", 0), "Radix should be 2, 8, 10, 16, or 36!");
676 EXPECT_DEATH(APInt(32, "", 10), "Invalid string length");
677 EXPECT_DEATH(APInt(32, "-", 10), "String is only a sign, needs a value.");
678 EXPECT_DEATH(APInt(1, "1234", 10), "Insufficient bit width");
679 EXPECT_DEATH(APInt(32, "\0", 10), "Invalid string length");
680 EXPECT_DEATH(APInt(32, StringRef("1\02", 3), 10), "Invalid character in digit string");
681 EXPECT_DEATH(APInt(32, "1L", 10), "Invalid character in digit string");
687 APInt ValA(65, -1ULL);
688 APInt ValB(65, 4);
689 APInt ValC(65, 0);
696 EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotl(0));
697 EXPECT_EQ(APInt(8, 2), APInt(8, 1).rotl(1));
698 EXPECT_EQ(APInt(8, 4), APInt(8, 1).rotl(2));
699 EXPECT_EQ(APInt(8, 16), APInt(8, 1).rotl(4));
700 EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotl(8));
702 EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotl(0));
703 EXPECT_EQ(APInt(8, 32), APInt(8, 16).rotl(1));
704 EXPECT_EQ(APInt(8, 64), APInt(8, 16).rotl(2));
705 EXPECT_EQ(APInt(8, 1), APInt(8, 16).rotl(4));
706 EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotl(8));
708 EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotr(0));
709 EXPECT_EQ(APInt(8, 8), APInt(8, 16).rotr(1));
710 EXPECT_EQ(APInt(8, 4), APInt(8, 16).rotr(2));
711 EXPECT_EQ(APInt(8, 1), APInt(8, 16).rotr(4));
712 EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotr(8));
714 EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotr(0));
715 EXPECT_EQ(APInt(8, 128), APInt(8, 1).rotr(1));
716 EXPECT_EQ(APInt(8, 64), APInt(8, 1).rotr(2));
717 EXPECT_EQ(APInt(8, 16), APInt(8, 1).rotr(4));
718 EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotr(8));
720 APInt Big(256, "00004000800000000000000000003fff8000000000000000", 16);
721 APInt Rot(256, "3fff80000000000000000000000000000000000040008000", 16);
726 APInt ValA(8, 0x01);
727 EXPECT_EQ(ValA, APInt::getSplat(8, ValA));
728 EXPECT_EQ(APInt(64, 0x0101010101010101ULL), APInt::getSplat(64, ValA));
730 APInt ValB(3, 5);
731 EXPECT_EQ(APInt(4, 0xD), APInt::getSplat(4, ValB));
732 EXPECT_EQ(APInt(15, 0xDB6D), APInt::getSplat(15, ValB));
741 integerPart carry = APInt::tcDecrement(&singleWord, 1);
749 integerPart carry = APInt::tcDecrement(&singleWord, 1);
760 APInt::tcDecrement(test, 4);
761 EXPECT_EQ(APInt::tcCompare(test, expected, 4), 0);
768 integerPart carry = APInt::tcDecrement(test, 4);
770 EXPECT_EQ(APInt::tcCompare(test, expected, 4), 0);
777 integerPart carry = APInt::tcDecrement(test, 4);
779 EXPECT_EQ(APInt::tcCompare(test, expected, 4), 0);
786 integerPart carry = APInt::tcDecrement(test, 4);
788 EXPECT_EQ(APInt::tcCompare(test, expected, 4), 0);
795 integerPart carry = APInt::tcDecrement(test, 4);
797 EXPECT_EQ(APInt::tcCompare(test, expected, 4), 0);
804 APInt A1(64, E1);
817 APInt A2(integerPartWidth*4, E2);
827 // Check that we can properly construct very large APInt. It is very
830 APInt A9(UINT32_MAX, 0);
839 APInt A1(64, I1);
844 APInt A2(64, I2);
849 APInt A3(64, I3);
856 APInt A4(integerPartWidth*4, I4);
861 APInt A5(integerPartWidth*4, I5);
866 APInt A6(integerPartWidth*4, I6);
870 APInt A7(1, 1);
872 APInt A8(1, 0);
877 APInt A9(UINT32_MAX, 0);
882 APInt A(32, 0x01010101);
890 APInt B(24, 0xAAAAAA);
897 APInt C(24, 0xABAAAB);
904 APInt D(32, 0xABBAABBA);
912 APInt E(32, 0);
930 APInt X(32, 0xdeadbeef);
936 APInt Y(128, Bits);
