Lines Matching refs:APInt
1 //===- llvm/unittest/ADT/APInt.cpp - APInt unit tests ---------------------===//
12 #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 i65minus(65, 0, true);
69 APInt u128max = APInt::getAllOnesValue(128);
77 APInt u64max(128, static_cast<uint64_t>(-1), false);
86 APInt zero(128, 0, true);
96 APInt one(128, 1, true);
108 const APInt neg_two(1, static_cast<uint64_t>(-2), true);
109 const APInt neg_one(1, static_cast<uint64_t>(-1), true);
110 const APInt zero(1, 0);
111 const APInt one(1, 1);
112 const APInt two(1, 2);
177 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 2));
178 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 2));
179 EXPECT_EQ(APInt(32, 2), APInt(32, "10", 2));
180 EXPECT_EQ(APInt(32, 3), APInt(32, "11", 2));
181 EXPECT_EQ(APInt(32, 4), APInt(32, "100", 2));
183 EXPECT_EQ(APInt(32, 0), APInt(32, "+0", 2));
184 EXPECT_EQ(APInt(32, 1), APInt(32, "+1", 2));
185 EXPECT_EQ(APInt(32, 2), APInt(32, "+10", 2));
186 EXPECT_EQ(APInt(32, 3), APInt(32, "+11", 2));
187 EXPECT_EQ(APInt(32, 4), APInt(32, "+100", 2));
189 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 2));
190 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 2));
191 EXPECT_EQ(APInt(32, uint64_t(-2LL)), APInt(32, "-10", 2));
192 EXPECT_EQ(APInt(32, uint64_t(-3LL)), APInt(32, "-11", 2));
193 EXPECT_EQ(APInt(32, uint64_t(-4LL)), APInt(32, "-100", 2));
196 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 8));
197 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 8));
198 EXPECT_EQ(APInt(32, 7), APInt(32, "7", 8));
199 EXPECT_EQ(APInt(32, 8), APInt(32, "10", 8));
200 EXPECT_EQ(APInt(32, 15), APInt(32, "17", 8));
201 EXPECT_EQ(APInt(32, 16), APInt(32, "20", 8));
203 EXPECT_EQ(APInt(32, +0), APInt(32, "+0", 8));
204 EXPECT_EQ(APInt(32, +1), APInt(32, "+1", 8));
205 EXPECT_EQ(APInt(32, +7), APInt(32, "+7", 8));
206 EXPECT_EQ(APInt(32, +8), APInt(32, "+10", 8));
207 EXPECT_EQ(APInt(32, +15), APInt(32, "+17", 8));
208 EXPECT_EQ(APInt(32, +16), APInt(32, "+20", 8));
210 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 8));
211 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 8));
212 EXPECT_EQ(APInt(32, uint64_t(-7LL)), APInt(32, "-7", 8));
213 EXPECT_EQ(APInt(32, uint64_t(-8LL)), APInt(32, "-10", 8));
214 EXPECT_EQ(APInt(32, uint64_t(-15LL)), APInt(32, "-17", 8));
215 EXPECT_EQ(APInt(32, uint64_t(-16LL)), APInt(32, "-20", 8));
218 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 10));
219 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 10));
220 EXPECT_EQ(APInt(32, 9), APInt(32, "9", 10));
221 EXPECT_EQ(APInt(32, 10), APInt(32, "10", 10));
222 EXPECT_EQ(APInt(32, 19), APInt(32, "19", 10));
223 EXPECT_EQ(APInt(32, 20), APInt(32, "20", 10));
225 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 10));
226 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 10));
227 EXPECT_EQ(APInt(32, uint64_t(-9LL)), APInt(32, "-9", 10));
228 EXPECT_EQ(APInt(32, uint64_t(-10LL)), APInt(32, "-10", 10));
229 EXPECT_EQ(APInt(32, uint64_t(-19LL)), APInt(32, "-19", 10));
230 EXPECT_EQ(APInt(32, uint64_t(-20LL)), APInt(32, "-20", 10));
233 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 16));
234 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 16));
235 EXPECT_EQ(APInt(32, 15), APInt(32, "F", 16));
236 EXPECT_EQ(APInt(32, 16), APInt(32, "10", 16));
237 EXPECT_EQ(APInt(32, 31), APInt(32, "1F", 16));
238 EXPECT_EQ(APInt(32, 32), APInt(32, "20", 16));
240 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 16));
241 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 16));
242 EXPECT_EQ(APInt(32, uint64_t(-15LL)), APInt(32, "-F", 16));
243 EXPECT_EQ(APInt(32, uint64_t(-16LL)), APInt(32, "-10", 16));
244 EXPECT_EQ(APInt(32, uint64_t(-31LL)), APInt(32, "-1F", 16));
245 EXPECT_EQ(APInt(32, uint64_t(-32LL)), APInt(32, "-20", 16));
247 EXPECT_EQ(APInt(32, 0), APInt(32, "0", 36));
248 EXPECT_EQ(APInt(32, 1), APInt(32, "1", 36));
249 EXPECT_EQ(APInt(32, 35), APInt(32, "Z", 36));
250 EXPECT_EQ(APInt(32, 36), APInt(32, "10", 36));
251 EXPECT_EQ(APInt(32, 71), APInt(32, "1Z", 36));
252 EXPECT_EQ(APInt(32, 72), APInt(32, "20", 36));
254 EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 36));
255 EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 36));
256 EXPECT_EQ(APInt(32, uint64_t(-35LL)), APInt(32, "-Z", 36));
257 EXPECT_EQ(APInt(32, uint64_t(-36LL)), APInt(32, "-10", 36));
258 EXPECT_EQ(APInt(32, uint64_t(-71LL)), APInt(32, "-1Z", 36));
259 EXPECT_EQ(APInt(32, uint64_t(-72LL)), APInt(32, "-20", 36));
263 EXPECT_EQ(APInt(32, uint64_t(1)), APInt(32, ArrayRef<uint64_t>(1)));
267 EXPECT_EQ(1U, APInt::getBitsNeeded( "0", 2));
268 EXPECT_EQ(1U, APInt::getBitsNeeded( "1", 2));
269 EXPECT_EQ(2U, APInt::getBitsNeeded( "10", 2));
270 EXPECT_EQ(2U, APInt::getBitsNeeded( "11", 2));
271 EXPECT_EQ(3U, APInt::getBitsNeeded("100", 2));
273 EXPECT_EQ(1U, APInt::getBitsNeeded( "+0", 2));
274 EXPECT_EQ(1U, APInt::getBitsNeeded( "+1", 2));
275 EXPECT_EQ(2U, APInt::getBitsNeeded( "+10", 2));
276 EXPECT_EQ(2U, APInt::getBitsNeeded( "+11", 2));
277 EXPECT_EQ(3U, APInt::getBitsNeeded("+100", 2));
279 EXPECT_EQ(2U, APInt::getBitsNeeded( "-0", 2));
280 EXPECT_EQ(2U, APInt::getBitsNeeded( "-1", 2));
281 EXPECT_EQ(3U, APInt::getBitsNeeded( "-10", 2));
282 EXPECT_EQ(3U, APInt::getBitsNeeded( "-11", 2));
283 EXPECT_EQ(4U, APInt::getBitsNeeded("-100", 2));
287 EXPECT_EQ(3U, APInt::getBitsNeeded( "0", 8));
288 EXPECT_EQ(3U, APInt::getBitsNeeded( "7", 8));
289 EXPECT_EQ(6U, APInt::getBitsNeeded("10", 8));
290 EXPECT_EQ(6U, APInt::getBitsNeeded("17", 8));
291 EXPECT_EQ(6U, APInt::getBitsNeeded("20", 8));
293 EXPECT_EQ(3U, APInt::getBitsNeeded( "+0", 8));
294 EXPECT_EQ(3U, APInt::getBitsNeeded( "+7", 8));
295 EXPECT_EQ(6U, APInt::getBitsNeeded("+10", 8));
296 EXPECT_EQ(6U, APInt::getBitsNeeded("+17", 8));
297 EXPECT_EQ(6U, APInt::getBitsNeeded("+20", 8));
299 EXPECT_EQ(4U, APInt::getBitsNeeded( "-0", 8));
300 EXPECT_EQ(4U, APInt::getBitsNeeded( "-7", 8));
301 EXPECT_EQ(7U, APInt::getBitsNeeded("-10", 8));
302 EXPECT_EQ(7U, APInt::getBitsNeeded("-17", 8));
303 EXPECT_EQ(7U, APInt::getBitsNeeded("-20", 8));
307 EXPECT_EQ(1U, APInt::getBitsNeeded( "0", 10));
308 EXPECT_EQ(2U, APInt::getBitsNeeded( "3", 10));
309 EXPECT_EQ(4U, APInt::getBitsNeeded( "9", 10));
310 EXPECT_EQ(4U, APInt::getBitsNeeded("10", 10));
311 EXPECT_EQ(5U, APInt::getBitsNeeded("19", 10));
312 EXPECT_EQ(5U, APInt::getBitsNeeded("20", 10));
314 EXPECT_EQ(1U, APInt::getBitsNeeded( "+0", 10));
315 EXPECT_EQ(4U, APInt::getBitsNeeded( "+9", 10));
316 EXPECT_EQ(4U, APInt::getBitsNeeded("+10", 10));
317 EXPECT_EQ(5U, APInt::getBitsNeeded("+19", 10));
318 EXPECT_EQ(5U, APInt::getBitsNeeded("+20", 10));
320 EXPECT_EQ(2U, APInt::getBitsNeeded( "-0", 10));
321 EXPECT_EQ(5U, APInt::getBitsNeeded( "-9", 10));
322 EXPECT_EQ(5U, APInt::getBitsNeeded("-10", 10));
323 EXPECT_EQ(6U, APInt::getBitsNeeded("-19", 10));
324 EXPECT_EQ(6U, APInt::getBitsNeeded("-20", 10));
328 EXPECT_EQ(4U, APInt::getBitsNeeded( "0", 16));
329 EXPECT_EQ(4U, APInt::getBitsNeeded( "F", 16));
330 EXPECT_EQ(8U, APInt::getBitsNeeded("10", 16));
331 EXPECT_EQ(8U, APInt::getBitsNeeded("1F", 16));
332 EXPECT_EQ(8U, APInt::getBitsNeeded("20", 16));
334 EXPECT_EQ(4U, APInt::getBitsNeeded( "+0", 16));
335 EXPECT_EQ(4U, APInt::getBitsNeeded( "+F", 16));
336 EXPECT_EQ(8U, APInt::getBitsNeeded("+10", 16));
337 EXPECT_EQ(8U, APInt::getBitsNeeded("+1F", 16));
338 EXPECT_EQ(8U, APInt::getBitsNeeded("+20", 16));
340 EXPECT_EQ(5U, APInt::getBitsNeeded( "-0", 16));
341 EXPECT_EQ(5U, APInt::getBitsNeeded( "-F", 16));
342 EXPECT_EQ(9U, APInt::getBitsNeeded("-10", 16));
343 EXPECT_EQ(9U, APInt::getBitsNeeded("-1F", 16));
344 EXPECT_EQ(9U, APInt::getBitsNeeded("-20", 16));
351 APInt(8, 0).toString(S, 2, true, true);
354 APInt(8, 0).toString(S, 8, true, true);
357 APInt(8, 0).toString(S, 10, true, true);
360 APInt(8, 0).toString(S, 16, true, true);
363 APInt(8, 0).toString(S, 36, true, false);
368 APInt(8, 255, isSigned).toString(S, 2, isSigned, true);
371 APInt(8, 255, isSigned).toString(S, 8, isSigned, true);
374 APInt(8, 255, isSigned).toString(S, 10, isSigned, true);
377 APInt(8, 255, isSigned).toString(S, 16, isSigned, true);
380 APInt(8, 255, isSigned).toString(S, 36, isSigned, false);
385 APInt(8, 255, isSigned).toString(S, 2, isSigned, true);
388 APInt(8, 255, isSigned).toString(S, 8, isSigned, true);
391 APInt(8, 255, isSigned).toString(S, 10, isSigned, true);
394 APInt(8, 255, isSigned).toString(S, 16, isSigned, true);
397 APInt(8, 255, isSigned).toString(S, 36, isSigned, false);
403 EXPECT_EQ(APInt(15, 7).logBase2(), 2U);
404 EXPECT_EQ(APInt(15, 7).ceilLogBase2(), 3U);
405 EXPECT_EQ(APInt(15, 7).exactLogBase2(), -1);
406 EXPECT_EQ(APInt(15, 8).logBase2(), 3U);
407 EXPECT_EQ(APInt(15, 8).ceilLogBase2(), 3U);
408 EXPECT_EQ(APInt(15, 8).exactLogBase2(), 3);
409 EXPECT_EQ(APInt(15, 9).logBase2(), 3U);
410 EXPECT_EQ(APInt(15, 9).ceilLogBase2(), 4U);
411 EXPECT_EQ(APInt(15, 9).exactLogBase2(), -1);
415 EXPECT_EQ(APInt(32, 3).magic().m, APInt(32, "55555556", 16));
416 EXPECT_EQ(APInt(32, 3).magic().s, 0U);
417 EXPECT_EQ(APInt(32, 5).magic().m, APInt(32, "66666667", 16));
418 EXPECT_EQ(APInt(32, 5).magic().s, 1U);
419 EXPECT_EQ(APInt(32, 7).magic().m, APInt(32, "92492493", 16));
420 EXPECT_EQ(APInt(32, 7).magic().s, 2U);
424 EXPECT_EQ(APInt(32, 3).magicu().m, APInt(32, "AAAAAAAB", 16));
425 EXPECT_EQ(APInt(32, 3).magicu().s, 1U);
426 EXPECT_EQ(APInt(32, 5).magicu().m, APInt(32, "CCCCCCCD", 16));
427 EXPECT_EQ(APInt(32, 5).magicu().s, 2U);
428 EXPECT_EQ(APInt(32, 7).magicu().m, APInt(32, "24924925", 16));
429 EXPECT_EQ(APInt(32, 7).magicu().s, 3U);
430 EXPECT_EQ(APInt(64, 25).magicu(1).m, APInt(64, "A3D70A3D70A3D70B", 16));
431 EXPECT_EQ(APInt(64, 25).magicu(1).s, 4U);
437 EXPECT_DEATH(APInt(0, "", 0), "Bitwidth too small");
438 EXPECT_DEATH(APInt(32, "", 0), "Invalid string length");
439 EXPECT_DEATH(APInt(32, "0", 0), "Radix should be 2, 8, 10, 16, or 36!");
440 EXPECT_DEATH(APInt(32, "", 10), "Invalid string length");
441 EXPECT_DEATH(APInt(32, "-", 10), "String is only a sign, needs a value.");
442 EXPECT_DEATH(APInt(1, "1234", 10), "Insufficient bit width");
443 EXPECT_DEATH(APInt(32, "\0", 10), "Invalid string length");
444 EXPECT_DEATH(APInt(32, StringRef("1\02", 3), 10), "Invalid character in digit string");
445 EXPECT_DEATH(APInt(32, "1L", 10), "Invalid character in digit string");
451 APInt ValA(65, -1ULL);
452 APInt ValB(65, 4);
453 APInt ValC(65, 0);
460 EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotl(0));
461 EXPECT_EQ(APInt(8, 2), APInt(8, 1).rotl(1));
462 EXPECT_EQ(APInt(8, 4), APInt(8, 1).rotl(2));
463 EXPECT_EQ(APInt(8, 16), APInt(8, 1).rotl(4));
464 EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotl(8));
466 EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotl(0));
467 EXPECT_EQ(APInt(8, 32), APInt(8, 16).rotl(1));
468 EXPECT_EQ(APInt(8, 64), APInt(8, 16).rotl(2));
469 EXPECT_EQ(APInt(8, 1), APInt(8, 16).rotl(4));
470 EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotl(8));
472 EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotr(0));
473 EXPECT_EQ(APInt(8, 8), APInt(8, 16).rotr(1));
474 EXPECT_EQ(APInt(8, 4), APInt(8, 16).rotr(2));
475 EXPECT_EQ(APInt(8, 1), APInt(8, 16).rotr(4));
476 EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotr(8));
478 EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotr(0));
479 EXPECT_EQ(APInt(8, 128), APInt(8, 1).rotr(1));
480 EXPECT_EQ(APInt(8, 64), APInt(8, 1).rotr(2));
481 EXPECT_EQ(APInt(8, 16), APInt(8, 1).rotr(4));
482 EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotr(8));
484 APInt Big(256, "00004000800000000000000000003fff8000000000000000", 16);
485 APInt Rot(256, "3fff80000000000000000000000000000000000040008000", 16);
