1 /* 2 * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6689060 27 * @summary Escape Analysis does not work with Compressed Oops 28 * 29 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+EliminateAutoBox -XX:AutoBoxCacheMax=20000 30 * -XX:CompileCommand=exclude,compiler.escapeAnalysis.Test6689060::dummy 31 * compiler.escapeAnalysis.Test6689060 32 */ 33 34 package compiler.escapeAnalysis; 35 36 import java.lang.reflect.Array; 37 38 public class Test6689060 { 39 static class Point { 40 int x; 41 int y; 42 Point next; 43 int ax[]; 44 int ay[]; 45 Point pax[]; 46 Point pay[]; 47 getNext()48 public Point getNext() { 49 return next; 50 } 51 } 52 dummy()53 void dummy() { 54 // Empty method to verify correctness of DebugInfo. 55 // Use -XX:CompileCommand=exclude,Test.dummy 56 } 57 ival(int i)58 int ival(int i) { 59 return i * 2; 60 } 61 test80(int y, int l, int i)62 int test80(int y, int l, int i) { 63 Point p = new Point(); 64 p.ax = new int[2]; 65 p.ay = new int[2]; 66 int x = 3; 67 p.ax[0] = x; 68 p.ay[1] = 3 * x + y; 69 dummy(); 70 return p.ax[0] * p.ay[1]; 71 } 72 test81(int y, int l, int i)73 int test81(int y, int l, int i) { 74 Point p = new Point(); 75 p.ax = new int[2]; 76 p.ay = new int[2]; 77 int x = 3; 78 p.ax[0] = x; 79 p.ay[1] = 3 * x + y; 80 dummy(); 81 return p.ax[0] * p.ay[1]; 82 } 83 84 test44(int y)85 int test44(int y) { 86 Point p1 = new Point(); 87 p1.x = ival(3); 88 dummy(); 89 p1.y = 3 * p1.x + y; 90 return p1.y; 91 } 92 test43(int y)93 int test43(int y) { 94 Point p1 = new Point(); 95 if ((y & 1) == 1) { 96 p1.x = ival(3); 97 } else { 98 p1.x = ival(5); 99 } 100 dummy(); 101 p1.y = 3 * p1.x + y; 102 return p1.y; 103 } 104 test42(int y)105 int test42(int y) { 106 Point p1 = new Point(); 107 p1.x = 3; 108 for (int i = 0; i < y; i++) { 109 if ((i & 1) == 1) { 110 p1.x += 4; 111 } 112 } 113 p1.y = 3 * y + p1.x; 114 return p1.y; 115 } 116 test40(int y)117 int test40(int y) { 118 Point p1 = new Point(); 119 if ((y & 1) == 1) { 120 p1.x = 3; 121 } else { 122 p1.x = 5; 123 } 124 p1.y = 3 * p1.x + y; 125 return p1.y; 126 } 127 test41(int y)128 int test41(int y) { 129 Point p1 = new Point(); 130 if ((y & 1) == 1) { 131 p1.x += 4; 132 } else { 133 p1.x += 5; 134 } 135 p1.y = 3 * p1.x + y; 136 return p1.y; 137 } 138 test00(int y)139 Point test00(int y) { 140 int x = 3; 141 Point p = new Point(); 142 p.x = x; 143 p.y = 3 * x + y; 144 return p; 145 } 146 test01(int y)147 Point test01(int y) { 148 int x = 3; 149 Point p = new Point(); 150 p.x = x; 151 p.y = 3 * x + y; 152 dummy(); 153 return p; 154 } 155 test02(int y)156 Point test02(int y) { 157 int x = 3; 158 Point p1 = null; 159 for (int i = 0; i < y; i++) { 160 Point p2 = new Point(); 161 p2.x = x; 162 p2.y = 3 * y + x; 163 p2.next = p1; 164 p1 = p2; 165 } 166 return p1; 167 } 168 test03(int y)169 Point test03(int y) { 170 int x = 3; 171 Point p1 = null; 172 for (int i = 0; i < y; i++) { 173 Point p2 = new Point(); 174 p2.x = x; 175 p2.y = 3 * y + x; 176 p2.next = p1; 177 p1 = p2; 178 } 179 dummy(); 180 return p1; 181 } 182 test04(int y)183 Point test04(int y) { 184 int x = 3; 185 Point p1 = null; 186 for (int i = 0; i < y; i++) { 187 Point p2 = new Point(); 188 p2.x = x; 189 p2.y = 3 * y + x; 190 p2.next = p1; 191 dummy(); 192 p1 = p2; 193 } 194 return p1; 195 } 196 test05(int y)197 int test05(int y) { 198 int x = 3; 199 Point p1 = new Point(); 200 for (int i = 0; i < y; i++) { 201 Point p2 = new Point(); 202 p2.x = x; 203 p2.y = 3 * y + x; 204 p1.next = p2; 205 p1 = p2; 206 } 207 return p1.y; 208 } 209 test0(int y)210 int test0(int y) { 211 int x = 3; 212 Point p = new Point(); 213 p.x = x; 214 p.y = 3 * x + y; 215 dummy(); 216 return p.x * p.y; 217 } 218 test1(int y)219 int test1(int y) { 220 Point p = new Point(); 221 if ((y & 1) == 1) { 222 p = new Point(); // Kill previous 223 } 224 int x = 3; 225 p.x = x; 226 p.y = 3 * x + y; 227 dummy(); 228 return p.x * p.y; 229 } 230 test2(int y)231 int test2(int y) { 232 Point p1 = new Point(); 233 Point p2 = new Point(); 234 p1.x = 3; 235 p2.x = 4; 236 p1.y = 3 * p2.x + y; 237 p2.y = 3 * p1.x + y; 238 dummy(); 239 return p1.y * p2.y; 240 } 241 test3(int y, Point p1)242 int test3(int y, Point p1) { 243 Point p2 = new Point(); 244 p1.x = 3; 245 p2.x = 4; 246 p1.y = 3 * p2.x + y; 247 p2.y = 3 * p1.x + y; 248 dummy(); 249 return p1.y * p2.y; 250 } 251 test4(int y)252 int test4(int y) { 253 Point p1 = new Point(); 254 Point p2 = new Point(); 255 if ((y & 1) == 1) { 256 p1.x = 3; 257 p2.x = 4; 258 } else { 259 p1.x = 5; 260 p2.x = 6; 261 } 262 p1.y = 3 * p2.x + y; 263 p2.y = 3 * p1.x + y; 264 dummy(); 265 return p1.y * p2.y; 266 } 267 test5(int y, Point p1)268 int test5(int y, Point p1) { 269 Point p2 = new Point(); 270 if ((y & 1) == 1) { 271 p1.x = 3; 272 p2.x = 4; 273 } else { 274 p1.x = 5; 275 p2.x = 6; 276 } 277 p1.y = 3 * p2.x + y; 278 p2.y = 3 * p1.x + y; 279 dummy(); 280 return p1.y * p2.y; 281 } 282 test6(int y)283 int test6(int y) { 284 Point p1 = new Point(); 285 Point p2 = new Point(); 286 p1.next = p2; 287 if ((y & 1) == 1) { 288 p1.x = 3; 289 p1.getNext().x = 4; 290 } else { 291 p1.x = 5; 292 p1.getNext().x = 6; 293 } 294 p1.y = 3 * p2.x + y; 295 p2.y = 3 * p1.x + y; 296 dummy(); 297 return p1.y * p2.y; 298 } 299 test7(int y, Point p1)300 int test7(int y, Point p1) { 301 Point p2 = new Point(); 302 p1.next = p2; 303 if ((y & 1) == 1) { 304 p1.x = 3; 305 p1.getNext().x = 4; 306 } else { 307 p1.x = 5; 308 p1.getNext().x = 6; 309 } 310 p1.y = 3 * p2.x + y; 311 p2.y = 3 * p1.x + y; 312 dummy(); 313 return p1.y * p2.y; 314 } 315 test8(int y, int l, int i)316 int test8(int y, int l, int i) { 317 Point p = new Point(); 318 p.ax = new int[l]; 319 p.ay = new int[l]; 320 int x = 3; 321 p.ax[i] = x; 322 p.ay[i] = 3 * x + y; 323 dummy(); 324 return p.ax[i] * p.ay[i]; 325 } 326 test9(int y, int l, int i)327 int test9(int y, int l, int i) { 328 Point p = new Point(); 329 p.pax = new Point[l]; 330 p.pay = new Point[l]; 331 p.pax[i] = new Point(); 332 p.pay[i] = new Point(); 333 p.pax[i].x = 3; 334 p.pay[i].x = 4; 335 p.pax[i].y = 3 * p.pay[i].x + y; 336 p.pay[i].y = 3 * p.pax[i].x + y; 337 dummy(); 338 return p.pax[i].y * p.pay[i].y; 339 } 340 test10(int y, int l, int i, Class cls)341 int test10(int y, int l, int i, Class cls) { 342 Point p = new Point(); 343 try { 344 p.pax = (Point[]) Array.newInstance(cls, l); 345 p.pax[i] = (Point) cls.newInstance(); 346 } catch (java.lang.InstantiationException ex) { 347 return 0; 348 } catch (java.lang.IllegalAccessException ex) { 349 return 0; 350 } 351 p.pax[i].x = 3; 352 p.pax[i].y = 3 * p.pax[i].x + y; 353 dummy(); 354 return p.pax[i].x * p.pax[i].y; 355 } 356 test11(int y)357 int test11(int y) { 358 Point p1 = new Point(); 359 Point p2 = new Point(); 360 p1.next = p2; 361 if ((y & 1) == 1) { 362 p1.x = 3; 363 p1.next.x = 4; 364 } else { 365 p1.x = 5; 366 p1.next.x = 6; 367 } 368 p1.y = 3 * p1.next.x + y; 369 p1.next.y = 3 * p1.x + y; 370 dummy(); 371 return p1.y * p1.next.y; 372 } 373 test12(int y)374 int test12(int y) { 375 Point p1 = new Point(); 376 p1.next = p1; 377 if ((y & 1) == 1) { 378 p1.x = 3; 379 p1.next.x = 4; 380 } else { 381 p1.x = 5; 382 p1.next.x = 6; 383 } 384 p1.y = 3 * p1.next.x + y; 385 p1.next.y = 3 * p1.x + y; 386 dummy(); 387 return p1.y * p1.next.y; 388 } 389 390 main(String args[])391 public static void main(String args[]) { 392 Test6689060 tsr = new Test6689060(); 393 Point p = new Point(); 394 Point ptmp = p; 395 Class cls = Point.class; 396 int y = 0; 397 for (int i = 0; i < 10000; i++) { 398 ptmp.next = tsr.test00(1); 399 ptmp.next = tsr.test01(1); 400 ptmp.next = tsr.test02(1); 401 ptmp.next = tsr.test03(1); 402 ptmp.next = tsr.test04(1); 403 404 y = tsr.test05(1); 405 406 y = tsr.test80(y, 1, 0); 407 y = tsr.test81(y, 1, 0); 408 409 y = tsr.test44(y); 410 y = tsr.test43(y); 411 y = tsr.test42(y); 412 y = tsr.test40(y); 413 y = tsr.test41(y); 414 415 y = tsr.test0(y); 416 y = tsr.test1(y); 417 y = tsr.test2(y); 418 y = tsr.test3(y, p); 419 y = tsr.test4(y); 420 y = tsr.test5(y, p); 421 y = tsr.test6(y); 422 y = tsr.test7(y, p); 423 y = tsr.test8(y, 1, 0); 424 y = tsr.test9(y, 1, 0); 425 y = tsr.test10(y, 1, 0, cls); 426 y = tsr.test11(y); 427 y = tsr.test12(y); 428 } 429 for (int i = 0; i < 10000; i++) { 430 ptmp.next = tsr.test00(1); 431 ptmp.next = tsr.test01(1); 432 ptmp.next = tsr.test02(1); 433 ptmp.next = tsr.test03(1); 434 ptmp.next = tsr.test04(1); 435 436 y = tsr.test05(1); 437 438 y = tsr.test80(y, 1, 0); 439 y = tsr.test81(y, 1, 0); 440 441 y = tsr.test44(y); 442 y = tsr.test43(y); 443 y = tsr.test42(y); 444 y = tsr.test40(y); 445 y = tsr.test41(y); 446 447 y = tsr.test0(y); 448 y = tsr.test1(y); 449 y = tsr.test2(y); 450 y = tsr.test3(y, p); 451 y = tsr.test4(y); 452 y = tsr.test5(y, p); 453 y = tsr.test6(y); 454 y = tsr.test7(y, p); 455 y = tsr.test8(y, 1, 0); 456 y = tsr.test9(y, 1, 0); 457 y = tsr.test10(y, 1, 0, cls); 458 y = tsr.test11(y); 459 y = tsr.test12(y); 460 } 461 for (int i = 0; i < 10000; i++) { 462 ptmp.next = tsr.test00(1); 463 ptmp.next = tsr.test01(1); 464 ptmp.next = tsr.test02(1); 465 ptmp.next = tsr.test03(1); 466 ptmp.next = tsr.test04(1); 467 468 y = tsr.test05(1); 469 470 y = tsr.test80(y, 1, 0); 471 y = tsr.test81(y, 1, 0); 472 473 y = tsr.test44(y); 474 y = tsr.test43(y); 475 y = tsr.test42(y); 476 y = tsr.test40(y); 477 y = tsr.test41(y); 478 479 y = tsr.test0(y); 480 y = tsr.test1(y); 481 y = tsr.test2(y); 482 y = tsr.test3(y, p); 483 y = tsr.test4(y); 484 y = tsr.test5(y, p); 485 y = tsr.test6(y); 486 y = tsr.test7(y, p); 487 y = tsr.test8(y, 1, 0); 488 y = tsr.test9(y, 1, 0); 489 y = tsr.test10(y, 1, 0, cls); 490 y = tsr.test11(y); 491 y = tsr.test12(y); 492 } 493 494 int z = 0; 495 y = tsr.test80(0, 1, 0); 496 z += y; 497 System.out.println("After 'test80' y=" + y); 498 y = tsr.test81(0, 1, 0); 499 z += y; 500 System.out.println("After 'test81' y=" + y); 501 502 y = tsr.test44(0); 503 z += y; 504 System.out.println("After 'test44' y=" + y); 505 y = tsr.test43(0); 506 z += y; 507 System.out.println("After 'test43' y=" + y); 508 y = tsr.test42(0); 509 z += y; 510 System.out.println("After 'test42' y=" + y); 511 y = tsr.test40(0); 512 z += y; 513 System.out.println("After 'test40' y=" + y); 514 y = tsr.test41(0); 515 z += y; 516 System.out.println("After 'test41' y=" + y); 517 518 ptmp.next = tsr.test00(1); 519 z += y; 520 System.out.println("After 'test00' p.y=" + ptmp.next.y); 521 ptmp.next = tsr.test01(1); 522 z += y; 523 System.out.println("After 'test01' p.y=" + ptmp.next.y); 524 ptmp.next = tsr.test02(1); 525 z += y; 526 System.out.println("After 'test02' p.y=" + ptmp.next.y); 527 ptmp.next = tsr.test03(1); 528 z += y; 529 System.out.println("After 'test03' p.y=" + ptmp.next.y); 530 ptmp.next = tsr.test04(1); 531 z += y; 532 System.out.println("After 'test04' p.y=" + ptmp.next.y); 533 534 y = tsr.test05(1); 535 z += y; 536 System.out.println("After 'test05' y=" + y); 537 538 y = tsr.test0(0); 539 z += y; 540 System.out.println("After 'test0' y=" + y); 541 y = tsr.test1(0); 542 z += y; 543 System.out.println("After 'test1' y=" + y); 544 y = tsr.test2(0); 545 z += y; 546 System.out.println("After 'test2' y=" + y); 547 y = tsr.test3(0, new Point()); 548 z += y; 549 System.out.println("After 'test3' y=" + y); 550 y = tsr.test4(0); 551 z += y; 552 System.out.println("After 'test4' y=" + y); 553 y = tsr.test5(0, new Point()); 554 z += y; 555 System.out.println("After 'test5' y=" + y); 556 y = tsr.test6(0); 557 z += y; 558 System.out.println("After 'test6' y=" + y); 559 y = tsr.test7(0, new Point()); 560 z += y; 561 System.out.println("After 'test7' y=" + y); 562 y = tsr.test8(0, 1, 0); 563 z += y; 564 System.out.println("After 'test8' y=" + y); 565 y = tsr.test9(0, 1, 0); 566 z += y; 567 System.out.println("After 'test9' y=" + y); 568 y = tsr.test10(0, 1, 0, cls); 569 z += y; 570 System.out.println("After 'test10' y=" + y); 571 y = tsr.test11(0); 572 z += y; 573 System.out.println("After 'test11' y=" + y); 574 y = tsr.test12(0); 575 z += y; 576 System.out.println("After 'test12' y=" + y); 577 System.out.println("Sum of y =" + z); 578 } 579 } 580