1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 import java.lang.reflect.Method; 18 19 public class Main { 20 21 public static void assertBooleanEquals(boolean expected, boolean result) { 22 if (expected != result) { 23 throw new Error("Expected: " + expected + ", found: " + result); 24 } 25 } 26 27 public static void assertIntEquals(int expected, int result) { 28 if (expected != result) { 29 throw new Error("Expected: " + expected + ", found: " + result); 30 } 31 } 32 33 public static void assertLongEquals(long expected, long result) { 34 if (expected != result) { 35 throw new Error("Expected: " + expected + ", found: " + result); 36 } 37 } 38 39 public static void assertFloatEquals(float expected, float result) { 40 if (expected != result) { 41 throw new Error("Expected: " + expected + ", found: " + result); 42 } 43 } 44 45 public static void assertDoubleEquals(double expected, double result) { 46 if (expected != result) { 47 throw new Error("Expected: " + expected + ", found: " + result); 48 } 49 } 50 51 public static void assertStringEquals(String expected, String result) { 52 if (expected == null ? result != null : !expected.equals(result)) { 53 throw new Error("Expected: " + expected + ", found: " + result); 54 } 55 } 56 57 /** 58 * Tiny programs exercising optimizations of arithmetic identities. 59 */ 60 61 /// CHECK-START: long Main.$noinline$Add0(long) instruction_simplifier (before) 62 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 63 /// CHECK-DAG: <<Const0:j\d+>> LongConstant 0 64 /// CHECK-DAG: <<Add:j\d+>> Add [<<Const0>>,<<Arg>>] 65 /// CHECK-DAG: Return [<<Add>>] 66 67 /// CHECK-START: long Main.$noinline$Add0(long) instruction_simplifier (after) 68 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 69 /// CHECK-DAG: Return [<<Arg>>] 70 71 /// CHECK-START: long Main.$noinline$Add0(long) instruction_simplifier (after) 72 /// CHECK-NOT: Add 73 74 public static long $noinline$Add0(long arg) { 75 return 0 + arg; 76 } 77 78 /// CHECK-START: int Main.$noinline$AddAddSubAddConst(int) instruction_simplifier (before) 79 /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue 80 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 81 /// CHECK-DAG: <<Const2:i\d+>> IntConstant 2 82 /// CHECK-DAG: <<ConstM3:i\d+>> IntConstant -3 83 /// CHECK-DAG: <<Const4:i\d+>> IntConstant 4 84 /// CHECK-DAG: <<Add1:i\d+>> Add [<<ArgValue>>,<<Const1>>] 85 /// CHECK-DAG: <<Add2:i\d+>> Add [<<Add1>>,<<Const2>>] 86 /// CHECK-DAG: <<Add3:i\d+>> Add [<<Add2>>,<<ConstM3>>] 87 /// CHECK-DAG: <<Add4:i\d+>> Add [<<Add3>>,<<Const4>>] 88 /// CHECK-DAG: Return [<<Add4>>] 89 90 /// CHECK-START: int Main.$noinline$AddAddSubAddConst(int) instruction_simplifier (after) 91 /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue 92 /// CHECK-DAG: <<Const4:i\d+>> IntConstant 4 93 /// CHECK-DAG: <<Add:i\d+>> Add [<<ArgValue>>,<<Const4>>] 94 /// CHECK-DAG: Return [<<Add>>] 95 96 public static int $noinline$AddAddSubAddConst(int arg) { 97 return arg + 1 + 2 - 3 + 4; 98 } 99 100 /// CHECK-START: int Main.$noinline$AndAllOnes(int) instruction_simplifier (before) 101 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 102 /// CHECK-DAG: <<ConstF:i\d+>> IntConstant -1 103 /// CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<ConstF>>] 104 /// CHECK-DAG: Return [<<And>>] 105 106 /// CHECK-START: int Main.$noinline$AndAllOnes(int) instruction_simplifier (after) 107 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 108 /// CHECK-DAG: Return [<<Arg>>] 109 110 /// CHECK-START: int Main.$noinline$AndAllOnes(int) instruction_simplifier (after) 111 /// CHECK-NOT: And 112 113 public static int $noinline$AndAllOnes(int arg) { 114 return arg & -1; 115 } 116 117 /// CHECK-START: int Main.$noinline$UShr28And15(int) instruction_simplifier (before) 118 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 119 /// CHECK-DAG: <<Const28:i\d+>> IntConstant 28 120 /// CHECK-DAG: <<Const15:i\d+>> IntConstant 15 121 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const28>>] 122 /// CHECK-DAG: <<And:i\d+>> And [<<UShr>>,<<Const15>>] 123 /// CHECK-DAG: Return [<<And>>] 124 125 /// CHECK-START: int Main.$noinline$UShr28And15(int) instruction_simplifier (after) 126 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 127 /// CHECK-DAG: <<Const28:i\d+>> IntConstant 28 128 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const28>>] 129 /// CHECK-DAG: Return [<<UShr>>] 130 131 /// CHECK-START: int Main.$noinline$UShr28And15(int) instruction_simplifier (after) 132 /// CHECK-NOT: And 133 134 public static int $noinline$UShr28And15(int arg) { 135 return (arg >>> 28) & 15; 136 } 137 138 /// CHECK-START: long Main.$noinline$UShr60And15(long) instruction_simplifier (before) 139 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 140 /// CHECK-DAG: <<Const60:i\d+>> IntConstant 60 141 /// CHECK-DAG: <<Const15:j\d+>> LongConstant 15 142 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const60>>] 143 /// CHECK-DAG: <<And:j\d+>> And [<<UShr>>,<<Const15>>] 144 /// CHECK-DAG: Return [<<And>>] 145 146 /// CHECK-START: long Main.$noinline$UShr60And15(long) instruction_simplifier (after) 147 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 148 /// CHECK-DAG: <<Const60:i\d+>> IntConstant 60 149 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const60>>] 150 /// CHECK-DAG: Return [<<UShr>>] 151 152 /// CHECK-START: long Main.$noinline$UShr60And15(long) instruction_simplifier (after) 153 /// CHECK-NOT: And 154 155 public static long $noinline$UShr60And15(long arg) { 156 return (arg >>> 60) & 15; 157 } 158 159 /// CHECK-START: int Main.$noinline$UShr28And7(int) instruction_simplifier (before) 160 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 161 /// CHECK-DAG: <<Const28:i\d+>> IntConstant 28 162 /// CHECK-DAG: <<Const7:i\d+>> IntConstant 7 163 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const28>>] 164 /// CHECK-DAG: <<And:i\d+>> And [<<UShr>>,<<Const7>>] 165 /// CHECK-DAG: Return [<<And>>] 166 167 /// CHECK-START: int Main.$noinline$UShr28And7(int) instruction_simplifier (after) 168 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 169 /// CHECK-DAG: <<Const28:i\d+>> IntConstant 28 170 /// CHECK-DAG: <<Const7:i\d+>> IntConstant 7 171 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const28>>] 172 /// CHECK-DAG: <<And:i\d+>> And [<<UShr>>,<<Const7>>] 173 /// CHECK-DAG: Return [<<And>>] 174 175 public static int $noinline$UShr28And7(int arg) { 176 return (arg >>> 28) & 7; 177 } 178 179 /// CHECK-START: long Main.$noinline$UShr60And7(long) instruction_simplifier (before) 180 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 181 /// CHECK-DAG: <<Const60:i\d+>> IntConstant 60 182 /// CHECK-DAG: <<Const7:j\d+>> LongConstant 7 183 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const60>>] 184 /// CHECK-DAG: <<And:j\d+>> And [<<UShr>>,<<Const7>>] 185 /// CHECK-DAG: Return [<<And>>] 186 187 /// CHECK-START: long Main.$noinline$UShr60And7(long) instruction_simplifier (after) 188 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 189 /// CHECK-DAG: <<Const60:i\d+>> IntConstant 60 190 /// CHECK-DAG: <<Const7:j\d+>> LongConstant 7 191 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const60>>] 192 /// CHECK-DAG: <<And:j\d+>> And [<<UShr>>,<<Const7>>] 193 /// CHECK-DAG: Return [<<And>>] 194 195 public static long $noinline$UShr60And7(long arg) { 196 return (arg >>> 60) & 7; 197 } 198 199 /// CHECK-START: int Main.$noinline$Shr24And255(int) instruction_simplifier (before) 200 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 201 /// CHECK-DAG: <<Const24:i\d+>> IntConstant 24 202 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 203 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Arg>>,<<Const24>>] 204 /// CHECK-DAG: <<And:i\d+>> And [<<Shr>>,<<Const255>>] 205 /// CHECK-DAG: Return [<<And>>] 206 207 /// CHECK-START: int Main.$noinline$Shr24And255(int) instruction_simplifier (after) 208 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 209 /// CHECK-DAG: <<Const24:i\d+>> IntConstant 24 210 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const24>>] 211 /// CHECK-DAG: Return [<<UShr>>] 212 213 /// CHECK-START: int Main.$noinline$Shr24And255(int) instruction_simplifier (after) 214 /// CHECK-NOT: Shr 215 /// CHECK-NOT: And 216 217 public static int $noinline$Shr24And255(int arg) { 218 return (arg >> 24) & 255; 219 } 220 221 /// CHECK-START: int Main.$noinline$Shr25And127(int) instruction_simplifier (before) 222 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 223 /// CHECK-DAG: <<Const25:i\d+>> IntConstant 25 224 /// CHECK-DAG: <<Const127:i\d+>> IntConstant 127 225 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Arg>>,<<Const25>>] 226 /// CHECK-DAG: <<And:i\d+>> And [<<Shr>>,<<Const127>>] 227 /// CHECK-DAG: Return [<<And>>] 228 229 /// CHECK-START: int Main.$noinline$Shr25And127(int) instruction_simplifier (after) 230 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 231 /// CHECK-DAG: <<Const25:i\d+>> IntConstant 25 232 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Arg>>,<<Const25>>] 233 /// CHECK-DAG: Return [<<UShr>>] 234 235 /// CHECK-START: int Main.$noinline$Shr25And127(int) instruction_simplifier (after) 236 /// CHECK-NOT: Shr 237 /// CHECK-NOT: And 238 239 public static int $noinline$Shr25And127(int arg) { 240 return (arg >> 25) & 127; 241 } 242 243 /// CHECK-START: long Main.$noinline$Shr56And255(long) instruction_simplifier (before) 244 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 245 /// CHECK-DAG: <<Const56:i\d+>> IntConstant 56 246 /// CHECK-DAG: <<Const255:j\d+>> LongConstant 255 247 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const56>>] 248 /// CHECK-DAG: <<And:j\d+>> And [<<Shr>>,<<Const255>>] 249 /// CHECK-DAG: Return [<<And>>] 250 251 /// CHECK-START: long Main.$noinline$Shr56And255(long) instruction_simplifier (after) 252 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 253 /// CHECK-DAG: <<Const56:i\d+>> IntConstant 56 254 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const56>>] 255 /// CHECK-DAG: Return [<<UShr>>] 256 257 /// CHECK-START: long Main.$noinline$Shr56And255(long) instruction_simplifier (after) 258 /// CHECK-NOT: Shr 259 /// CHECK-NOT: And 260 261 public static long $noinline$Shr56And255(long arg) { 262 return (arg >> 56) & 255; 263 } 264 265 /// CHECK-START: long Main.$noinline$Shr57And127(long) instruction_simplifier (before) 266 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 267 /// CHECK-DAG: <<Const57:i\d+>> IntConstant 57 268 /// CHECK-DAG: <<Const127:j\d+>> LongConstant 127 269 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const57>>] 270 /// CHECK-DAG: <<And:j\d+>> And [<<Shr>>,<<Const127>>] 271 /// CHECK-DAG: Return [<<And>>] 272 273 /// CHECK-START: long Main.$noinline$Shr57And127(long) instruction_simplifier (after) 274 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 275 /// CHECK-DAG: <<Const57:i\d+>> IntConstant 57 276 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const57>>] 277 /// CHECK-DAG: Return [<<UShr>>] 278 279 /// CHECK-START: long Main.$noinline$Shr57And127(long) instruction_simplifier (after) 280 /// CHECK-NOT: Shr 281 /// CHECK-NOT: And 282 283 public static long $noinline$Shr57And127(long arg) { 284 return (arg >> 57) & 127; 285 } 286 287 /// CHECK-START: int Main.$noinline$Shr24And127(int) instruction_simplifier (before) 288 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 289 /// CHECK-DAG: <<Const24:i\d+>> IntConstant 24 290 /// CHECK-DAG: <<Const127:i\d+>> IntConstant 127 291 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Arg>>,<<Const24>>] 292 /// CHECK-DAG: <<And:i\d+>> And [<<Shr>>,<<Const127>>] 293 /// CHECK-DAG: Return [<<And>>] 294 295 /// CHECK-START: int Main.$noinline$Shr24And127(int) instruction_simplifier (after) 296 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 297 /// CHECK-DAG: <<Const24:i\d+>> IntConstant 24 298 /// CHECK-DAG: <<Const127:i\d+>> IntConstant 127 299 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Arg>>,<<Const24>>] 300 /// CHECK-DAG: <<And:i\d+>> And [<<Shr>>,<<Const127>>] 301 /// CHECK-DAG: Return [<<And>>] 302 303 public static int $noinline$Shr24And127(int arg) { 304 return (arg >> 24) & 127; 305 } 306 307 /// CHECK-START: long Main.$noinline$Shr56And127(long) instruction_simplifier (before) 308 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 309 /// CHECK-DAG: <<Const56:i\d+>> IntConstant 56 310 /// CHECK-DAG: <<Const127:j\d+>> LongConstant 127 311 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const56>>] 312 /// CHECK-DAG: <<And:j\d+>> And [<<Shr>>,<<Const127>>] 313 /// CHECK-DAG: Return [<<And>>] 314 315 /// CHECK-START: long Main.$noinline$Shr56And127(long) instruction_simplifier (after) 316 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 317 /// CHECK-DAG: <<Const56:i\d+>> IntConstant 56 318 /// CHECK-DAG: <<Const127:j\d+>> LongConstant 127 319 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const56>>] 320 /// CHECK-DAG: <<And:j\d+>> And [<<Shr>>,<<Const127>>] 321 /// CHECK-DAG: Return [<<And>>] 322 323 public static long $noinline$Shr56And127(long arg) { 324 return (arg >> 56) & 127; 325 } 326 327 /// CHECK-START: long Main.$noinline$Div1(long) instruction_simplifier (before) 328 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 329 /// CHECK-DAG: <<Const1:j\d+>> LongConstant 1 330 /// CHECK-DAG: <<Div:j\d+>> Div [<<Arg>>,<<Const1>>] 331 /// CHECK-DAG: Return [<<Div>>] 332 333 /// CHECK-START: long Main.$noinline$Div1(long) instruction_simplifier (after) 334 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 335 /// CHECK-DAG: Return [<<Arg>>] 336 337 /// CHECK-START: long Main.$noinline$Div1(long) instruction_simplifier (after) 338 /// CHECK-NOT: Div 339 340 public static long $noinline$Div1(long arg) { 341 return arg / 1; 342 } 343 344 /// CHECK-START: int Main.$noinline$DivN1(int) instruction_simplifier (before) 345 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 346 /// CHECK-DAG: <<ConstN1:i\d+>> IntConstant -1 347 /// CHECK-DAG: <<Div:i\d+>> Div [<<Arg>>,<<ConstN1>>] 348 /// CHECK-DAG: Return [<<Div>>] 349 350 /// CHECK-START: int Main.$noinline$DivN1(int) instruction_simplifier (after) 351 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 352 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg>>] 353 /// CHECK-DAG: Return [<<Neg>>] 354 355 /// CHECK-START: int Main.$noinline$DivN1(int) instruction_simplifier (after) 356 /// CHECK-NOT: Div 357 358 public static int $noinline$DivN1(int arg) { 359 return arg / -1; 360 } 361 362 /// CHECK-START: long Main.$noinline$Mul1(long) instruction_simplifier (before) 363 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 364 /// CHECK-DAG: <<Const1:j\d+>> LongConstant 1 365 /// CHECK-DAG: <<Mul:j\d+>> Mul [<<Const1>>,<<Arg>>] 366 /// CHECK-DAG: Return [<<Mul>>] 367 368 /// CHECK-START: long Main.$noinline$Mul1(long) instruction_simplifier (after) 369 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 370 /// CHECK-DAG: Return [<<Arg>>] 371 372 /// CHECK-START: long Main.$noinline$Mul1(long) instruction_simplifier (after) 373 /// CHECK-NOT: Mul 374 375 public static long $noinline$Mul1(long arg) { 376 return arg * 1; 377 } 378 379 /// CHECK-START: int Main.$noinline$MulN1(int) instruction_simplifier (before) 380 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 381 /// CHECK-DAG: <<ConstN1:i\d+>> IntConstant -1 382 /// CHECK-DAG: <<Mul:i\d+>> Mul [<<Arg>>,<<ConstN1>>] 383 /// CHECK-DAG: Return [<<Mul>>] 384 385 /// CHECK-START: int Main.$noinline$MulN1(int) instruction_simplifier (after) 386 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 387 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg>>] 388 /// CHECK-DAG: Return [<<Neg>>] 389 390 /// CHECK-START: int Main.$noinline$MulN1(int) instruction_simplifier (after) 391 /// CHECK-NOT: Mul 392 393 public static int $noinline$MulN1(int arg) { 394 return arg * -1; 395 } 396 397 /// CHECK-START: long Main.$noinline$MulPowerOfTwo128(long) instruction_simplifier (before) 398 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 399 /// CHECK-DAG: <<Const128:j\d+>> LongConstant 128 400 /// CHECK-DAG: <<Mul:j\d+>> Mul [<<Const128>>,<<Arg>>] 401 /// CHECK-DAG: Return [<<Mul>>] 402 403 /// CHECK-START: long Main.$noinline$MulPowerOfTwo128(long) instruction_simplifier (after) 404 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 405 /// CHECK-DAG: <<Const7:i\d+>> IntConstant 7 406 /// CHECK-DAG: <<Shl:j\d+>> Shl [<<Arg>>,<<Const7>>] 407 /// CHECK-DAG: Return [<<Shl>>] 408 409 /// CHECK-START: long Main.$noinline$MulPowerOfTwo128(long) instruction_simplifier (after) 410 /// CHECK-NOT: Mul 411 412 public static long $noinline$MulPowerOfTwo128(long arg) { 413 return arg * 128; 414 } 415 416 /// CHECK-START: long Main.$noinline$MulMulMulConst(long) instruction_simplifier (before) 417 /// CHECK-DAG: <<ArgValue:j\d+>> ParameterValue 418 /// CHECK-DAG: <<Const10:j\d+>> LongConstant 10 419 /// CHECK-DAG: <<Const11:j\d+>> LongConstant 11 420 /// CHECK-DAG: <<Const12:j\d+>> LongConstant 12 421 /// CHECK-DAG: <<Mul1:j\d+>> Mul [<<Const10>>,<<ArgValue>>] 422 /// CHECK-DAG: <<Mul2:j\d+>> Mul [<<Mul1>>,<<Const11>>] 423 /// CHECK-DAG: <<Mul3:j\d+>> Mul [<<Mul2>>,<<Const12>>] 424 /// CHECK-DAG: Return [<<Mul3>>] 425 426 /// CHECK-START: long Main.$noinline$MulMulMulConst(long) instruction_simplifier (after) 427 /// CHECK-DAG: <<ArgValue:j\d+>> ParameterValue 428 /// CHECK-DAG: <<Const1320:j\d+>> LongConstant 1320 429 /// CHECK-DAG: <<Mul:j\d+>> Mul [<<ArgValue>>,<<Const1320>>] 430 /// CHECK-DAG: Return [<<Mul>>] 431 432 public static long $noinline$MulMulMulConst(long arg) { 433 return 10 * arg * 11 * 12; 434 } 435 436 /// CHECK-START: int Main.$noinline$Or0(int) instruction_simplifier (before) 437 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 438 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 439 /// CHECK-DAG: <<Or:i\d+>> Or [<<Arg>>,<<Const0>>] 440 /// CHECK-DAG: Return [<<Or>>] 441 442 /// CHECK-START: int Main.$noinline$Or0(int) instruction_simplifier (after) 443 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 444 /// CHECK-DAG: Return [<<Arg>>] 445 446 /// CHECK-START: int Main.$noinline$Or0(int) instruction_simplifier (after) 447 /// CHECK-NOT: Or 448 449 public static int $noinline$Or0(int arg) { 450 return arg | 0; 451 } 452 453 /// CHECK-START: long Main.$noinline$OrSame(long) instruction_simplifier (before) 454 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 455 /// CHECK-DAG: <<Or:j\d+>> Or [<<Arg>>,<<Arg>>] 456 /// CHECK-DAG: Return [<<Or>>] 457 458 /// CHECK-START: long Main.$noinline$OrSame(long) instruction_simplifier (after) 459 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 460 /// CHECK-DAG: Return [<<Arg>>] 461 462 /// CHECK-START: long Main.$noinline$OrSame(long) instruction_simplifier (after) 463 /// CHECK-NOT: Or 464 465 public static long $noinline$OrSame(long arg) { 466 return arg | arg; 467 } 468 469 /// CHECK-START: int Main.$noinline$Shl0(int) instruction_simplifier (before) 470 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 471 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 472 /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Arg>>,<<Const0>>] 473 /// CHECK-DAG: Return [<<Shl>>] 474 475 /// CHECK-START: int Main.$noinline$Shl0(int) instruction_simplifier (after) 476 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 477 /// CHECK-DAG: Return [<<Arg>>] 478 479 /// CHECK-START: int Main.$noinline$Shl0(int) instruction_simplifier (after) 480 /// CHECK-NOT: Shl 481 482 public static int $noinline$Shl0(int arg) { 483 return arg << 0; 484 } 485 486 /// CHECK-START: long Main.$noinline$Shr0(long) instruction_simplifier (before) 487 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 488 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 489 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const0>>] 490 /// CHECK-DAG: Return [<<Shr>>] 491 492 /// CHECK-START: long Main.$noinline$Shr0(long) instruction_simplifier (after) 493 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 494 /// CHECK-DAG: Return [<<Arg>>] 495 496 /// CHECK-START: long Main.$noinline$Shr0(long) instruction_simplifier (after) 497 /// CHECK-NOT: Shr 498 499 public static long $noinline$Shr0(long arg) { 500 return arg >> 0; 501 } 502 503 /// CHECK-START: long Main.$noinline$Shr64(long) instruction_simplifier (before) 504 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 505 /// CHECK-DAG: <<Const64:i\d+>> IntConstant 64 506 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Arg>>,<<Const64>>] 507 /// CHECK-DAG: Return [<<Shr>>] 508 509 /// CHECK-START: long Main.$noinline$Shr64(long) instruction_simplifier (after) 510 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 511 /// CHECK-DAG: Return [<<Arg>>] 512 513 /// CHECK-START: long Main.$noinline$Shr64(long) instruction_simplifier (after) 514 /// CHECK-NOT: Shr 515 516 public static long $noinline$Shr64(long arg) { 517 return arg >> 64; 518 } 519 520 /// CHECK-START: long Main.$noinline$Sub0(long) instruction_simplifier (before) 521 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 522 /// CHECK-DAG: <<Const0:j\d+>> LongConstant 0 523 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Arg>>,<<Const0>>] 524 /// CHECK-DAG: Return [<<Sub>>] 525 526 /// CHECK-START: long Main.$noinline$Sub0(long) instruction_simplifier (after) 527 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 528 /// CHECK-DAG: Return [<<Arg>>] 529 530 /// CHECK-START: long Main.$noinline$Sub0(long) instruction_simplifier (after) 531 /// CHECK-NOT: Sub 532 533 public static long $noinline$Sub0(long arg) { 534 return arg - 0; 535 } 536 537 /// CHECK-START: int Main.$noinline$SubAliasNeg(int) instruction_simplifier (before) 538 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 539 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 540 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const0>>,<<Arg>>] 541 /// CHECK-DAG: Return [<<Sub>>] 542 543 /// CHECK-START: int Main.$noinline$SubAliasNeg(int) instruction_simplifier (after) 544 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 545 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg>>] 546 /// CHECK-DAG: Return [<<Neg>>] 547 548 /// CHECK-START: int Main.$noinline$SubAliasNeg(int) instruction_simplifier (after) 549 /// CHECK-NOT: Sub 550 551 public static int $noinline$SubAliasNeg(int arg) { 552 return 0 - arg; 553 } 554 555 /// CHECK-START: int Main.$noinline$SubAddConst1(int) instruction_simplifier (before) 556 /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue 557 /// CHECK-DAG: <<Const5:i\d+>> IntConstant 5 558 /// CHECK-DAG: <<Const6:i\d+>> IntConstant 6 559 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const5>>,<<ArgValue>>] 560 /// CHECK-DAG: <<Add:i\d+>> Add [<<Sub>>,<<Const6>>] 561 /// CHECK-DAG: Return [<<Add>>] 562 563 /// CHECK-START: int Main.$noinline$SubAddConst1(int) instruction_simplifier (after) 564 /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue 565 /// CHECK-DAG: <<Const11:i\d+>> IntConstant 11 566 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const11>>,<<ArgValue>>] 567 /// CHECK-DAG: Return [<<Sub>>] 568 569 public static int $noinline$SubAddConst1(int arg) { 570 return 5 - arg + 6; 571 } 572 573 /// CHECK-START: int Main.$noinline$SubAddConst2(int) instruction_simplifier (before) 574 /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue 575 /// CHECK-DAG: <<Const14:i\d+>> IntConstant 14 576 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 577 /// CHECK-DAG: <<Add:i\d+>> Add [<<ArgValue>>,<<Const13>>] 578 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const14>>,<<Add>>] 579 /// CHECK-DAG: Return [<<Sub>>] 580 581 /// CHECK-START: int Main.$noinline$SubAddConst2(int) instruction_simplifier (after) 582 /// CHECK-DAG: <<ArgValue:i\d+>> ParameterValue 583 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 584 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Const1>>,<<ArgValue>>] 585 /// CHECK-DAG: Return [<<Sub>>] 586 587 public static int $noinline$SubAddConst2(int arg) { 588 return 14 - (arg + 13); 589 } 590 591 /// CHECK-START: long Main.$noinline$SubSubConst(long) instruction_simplifier (before) 592 /// CHECK-DAG: <<ArgValue:j\d+>> ParameterValue 593 /// CHECK-DAG: <<Const17:j\d+>> LongConstant 17 594 /// CHECK-DAG: <<Const18:j\d+>> LongConstant 18 595 /// CHECK-DAG: <<Sub1:j\d+>> Sub [<<Const18>>,<<ArgValue>>] 596 /// CHECK-DAG: <<Sub2:j\d+>> Sub [<<Const17>>,<<Sub1>>] 597 /// CHECK-DAG: Return [<<Sub2>>] 598 599 /// CHECK-START: long Main.$noinline$SubSubConst(long) instruction_simplifier (after) 600 /// CHECK-DAG: <<ArgValue:j\d+>> ParameterValue 601 /// CHECK-DAG: <<ConstM1:j\d+>> LongConstant -1 602 /// CHECK-DAG: <<Add:j\d+>> Add [<<ArgValue>>,<<ConstM1>>] 603 /// CHECK-DAG: Return [<<Add>>] 604 605 public static long $noinline$SubSubConst(long arg) { 606 return 17 - (18 - arg); 607 } 608 609 /// CHECK-START: long Main.$noinline$UShr0(long) instruction_simplifier (before) 610 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 611 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 612 /// CHECK-DAG: <<UShr:j\d+>> UShr [<<Arg>>,<<Const0>>] 613 /// CHECK-DAG: Return [<<UShr>>] 614 615 /// CHECK-START: long Main.$noinline$UShr0(long) instruction_simplifier (after) 616 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 617 /// CHECK-DAG: Return [<<Arg>>] 618 619 /// CHECK-START: long Main.$noinline$UShr0(long) instruction_simplifier (after) 620 /// CHECK-NOT: UShr 621 622 public static long $noinline$UShr0(long arg) { 623 return arg >>> 0; 624 } 625 626 /// CHECK-START: int Main.$noinline$Xor0(int) instruction_simplifier (before) 627 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 628 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 629 /// CHECK-DAG: <<Xor:i\d+>> Xor [<<Arg>>,<<Const0>>] 630 /// CHECK-DAG: Return [<<Xor>>] 631 632 /// CHECK-START: int Main.$noinline$Xor0(int) instruction_simplifier (after) 633 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 634 /// CHECK-DAG: Return [<<Arg>>] 635 636 /// CHECK-START: int Main.$noinline$Xor0(int) instruction_simplifier (after) 637 /// CHECK-NOT: Xor 638 639 public static int $noinline$Xor0(int arg) { 640 return arg ^ 0; 641 } 642 643 /** 644 * Test that addition or subtraction operation with both inputs negated are 645 * optimized to use a single negation after the operation. 646 * The transformation tested is implemented in 647 * `InstructionSimplifierVisitor::TryMoveNegOnInputsAfterBinop`. 648 */ 649 650 /// CHECK-START: int Main.$noinline$AddNegs1(int, int) instruction_simplifier (before) 651 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 652 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 653 /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg1>>] 654 /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Arg2>>] 655 /// CHECK-DAG: <<Add:i\d+>> Add [<<Neg1>>,<<Neg2>>] 656 /// CHECK-DAG: Return [<<Add>>] 657 658 /// CHECK-START: int Main.$noinline$AddNegs1(int, int) instruction_simplifier (after) 659 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 660 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 661 /// CHECK-NOT: Neg 662 /// CHECK-DAG: <<Add:i\d+>> Add [<<Arg1>>,<<Arg2>>] 663 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Add>>] 664 /// CHECK-DAG: Return [<<Neg>>] 665 666 public static int $noinline$AddNegs1(int arg1, int arg2) { 667 return -arg1 + -arg2; 668 } 669 670 /** 671 * This is similar to the test-case AddNegs1, but the negations have 672 * multiple uses. 673 * The transformation tested is implemented in 674 * `InstructionSimplifierVisitor::TryMoveNegOnInputsAfterBinop`. 675 * The current code won't perform the previous optimization. The 676 * transformations do not look at other uses of their inputs. As they don't 677 * know what will happen with other uses, they do not take the risk of 678 * increasing the register pressure by creating or extending live ranges. 679 */ 680 681 /// CHECK-START: int Main.$noinline$AddNegs2(int, int) instruction_simplifier (before) 682 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 683 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 684 /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg1>>] 685 /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Arg2>>] 686 /// CHECK-DAG: <<Add1:i\d+>> Add [<<Neg1>>,<<Neg2>>] 687 /// CHECK-DAG: <<Add2:i\d+>> Add [<<Neg1>>,<<Neg2>>] 688 /// CHECK-DAG: <<Or:i\d+>> Or [<<Add1>>,<<Add2>>] 689 /// CHECK-DAG: Return [<<Or>>] 690 691 /// CHECK-START: int Main.$noinline$AddNegs2(int, int) instruction_simplifier (after) 692 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 693 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 694 /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg1>>] 695 /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Arg2>>] 696 /// CHECK-DAG: <<Add1:i\d+>> Add [<<Neg1>>,<<Neg2>>] 697 /// CHECK-DAG: <<Add2:i\d+>> Add [<<Neg1>>,<<Neg2>>] 698 /// CHECK-NOT: Neg 699 /// CHECK-DAG: <<Or:i\d+>> Or [<<Add1>>,<<Add2>>] 700 /// CHECK-DAG: Return [<<Or>>] 701 702 /// CHECK-START: int Main.$noinline$AddNegs2(int, int) GVN (after) 703 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 704 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 705 /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg1>>] 706 /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Arg2>>] 707 /// CHECK-DAG: <<Add:i\d+>> Add [<<Neg1>>,<<Neg2>>] 708 /// CHECK-DAG: <<Or:i\d+>> Or [<<Add>>,<<Add>>] 709 /// CHECK-DAG: Return [<<Or>>] 710 711 public static int $noinline$AddNegs2(int arg1, int arg2) { 712 int temp1 = -arg1; 713 int temp2 = -arg2; 714 return (temp1 + temp2) | (temp1 + temp2); 715 } 716 717 /** 718 * This follows test-cases AddNegs1 and AddNegs2. 719 * The transformation tested is implemented in 720 * `InstructionSimplifierVisitor::TryMoveNegOnInputsAfterBinop`. 721 * The optimization should not happen if it moves an additional instruction in 722 * the loop. 723 */ 724 725 /// CHECK-START: long Main.$noinline$AddNegs3(long, long) instruction_simplifier (before) 726 // -------------- Arguments and initial negation operations. 727 /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue 728 /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue 729 /// CHECK-DAG: <<Neg1:j\d+>> Neg [<<Arg1>>] 730 /// CHECK-DAG: <<Neg2:j\d+>> Neg [<<Arg2>>] 731 /// CHECK: Goto 732 // -------------- Loop 733 /// CHECK: SuspendCheck 734 /// CHECK: <<Add:j\d+>> Add [<<Neg1>>,<<Neg2>>] 735 /// CHECK: Goto 736 737 /// CHECK-START: long Main.$noinline$AddNegs3(long, long) instruction_simplifier (after) 738 // -------------- Arguments and initial negation operations. 739 /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue 740 /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue 741 /// CHECK-DAG: <<Neg1:j\d+>> Neg [<<Arg1>>] 742 /// CHECK-DAG: <<Neg2:j\d+>> Neg [<<Arg2>>] 743 /// CHECK: Goto 744 // -------------- Loop 745 /// CHECK: SuspendCheck 746 /// CHECK: <<Add:j\d+>> Add [<<Neg1>>,<<Neg2>>] 747 /// CHECK-NOT: Neg 748 /// CHECK: Goto 749 750 public static long $noinline$AddNegs3(long arg1, long arg2) { 751 long res = 0; 752 long n_arg1 = -arg1; 753 long n_arg2 = -arg2; 754 for (long i = 0; i < 1; i++) { 755 res += n_arg1 + n_arg2 + i; 756 } 757 return res; 758 } 759 760 /** 761 * Test the simplification of an addition with a negated argument into a 762 * subtraction. 763 * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitAdd`. 764 */ 765 766 /// CHECK-START: long Main.$noinline$AddNeg1(long, long) instruction_simplifier (before) 767 /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue 768 /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue 769 /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg1>>] 770 /// CHECK-DAG: <<Add:j\d+>> Add [<<Neg>>,<<Arg2>>] 771 /// CHECK-DAG: Return [<<Add>>] 772 773 /// CHECK-START: long Main.$noinline$AddNeg1(long, long) instruction_simplifier (after) 774 /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue 775 /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue 776 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Arg2>>,<<Arg1>>] 777 /// CHECK-DAG: Return [<<Sub>>] 778 779 /// CHECK-START: long Main.$noinline$AddNeg1(long, long) instruction_simplifier (after) 780 /// CHECK-NOT: Neg 781 /// CHECK-NOT: Add 782 783 public static long $noinline$AddNeg1(long arg1, long arg2) { 784 return -arg1 + arg2; 785 } 786 787 /** 788 * This is similar to the test-case AddNeg1, but the negation has two uses. 789 * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitAdd`. 790 * The current code won't perform the previous optimization. The 791 * transformations do not look at other uses of their inputs. As they don't 792 * know what will happen with other uses, they do not take the risk of 793 * increasing the register pressure by creating or extending live ranges. 794 */ 795 796 /// CHECK-START: long Main.$noinline$AddNeg2(long, long) instruction_simplifier (before) 797 /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue 798 /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue 799 /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg2>>] 800 /// CHECK-DAG: <<Add1:j\d+>> Add [<<Arg1>>,<<Neg>>] 801 /// CHECK-DAG: <<Add2:j\d+>> Add [<<Arg1>>,<<Neg>>] 802 /// CHECK-DAG: <<Res:j\d+>> Or [<<Add1>>,<<Add2>>] 803 /// CHECK-DAG: Return [<<Res>>] 804 805 /// CHECK-START: long Main.$noinline$AddNeg2(long, long) instruction_simplifier (after) 806 /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue 807 /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue 808 /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg2>>] 809 /// CHECK-DAG: <<Add1:j\d+>> Add [<<Arg1>>,<<Neg>>] 810 /// CHECK-DAG: <<Add2:j\d+>> Add [<<Arg1>>,<<Neg>>] 811 /// CHECK-DAG: <<Res:j\d+>> Or [<<Add1>>,<<Add2>>] 812 /// CHECK-DAG: Return [<<Res>>] 813 814 /// CHECK-START: long Main.$noinline$AddNeg2(long, long) instruction_simplifier (after) 815 /// CHECK-NOT: Sub 816 817 public static long $noinline$AddNeg2(long arg1, long arg2) { 818 long temp = -arg2; 819 return (arg1 + temp) | (arg1 + temp); 820 } 821 822 /** 823 * Test simplification of the `-(-var)` pattern. 824 * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNeg`. 825 */ 826 827 /// CHECK-START: long Main.$noinline$NegNeg1(long) instruction_simplifier (before) 828 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 829 /// CHECK-DAG: <<Neg1:j\d+>> Neg [<<Arg>>] 830 /// CHECK-DAG: <<Neg2:j\d+>> Neg [<<Neg1>>] 831 /// CHECK-DAG: Return [<<Neg2>>] 832 833 /// CHECK-START: long Main.$noinline$NegNeg1(long) instruction_simplifier (after) 834 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 835 /// CHECK-DAG: Return [<<Arg>>] 836 837 /// CHECK-START: long Main.$noinline$NegNeg1(long) instruction_simplifier (after) 838 /// CHECK-NOT: Neg 839 840 public static long $noinline$NegNeg1(long arg) { 841 return -(-arg); 842 } 843 844 /** 845 * Test 'multi-step' simplification, where a first transformation yields a 846 * new simplification possibility for the current instruction. 847 * The transformations tested are implemented in `InstructionSimplifierVisitor::VisitNeg` 848 * and in `InstructionSimplifierVisitor::VisitAdd`. 849 */ 850 851 /// CHECK-START: int Main.$noinline$NegNeg2(int) instruction_simplifier (before) 852 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 853 /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Arg>>] 854 /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Neg1>>] 855 /// CHECK-DAG: <<Add:i\d+>> Add [<<Neg2>>,<<Neg1>>] 856 /// CHECK-DAG: Return [<<Add>>] 857 858 /// CHECK-START: int Main.$noinline$NegNeg2(int) instruction_simplifier (after) 859 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 860 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg>>,<<Arg>>] 861 /// CHECK-DAG: Return [<<Sub>>] 862 863 /// CHECK-START: int Main.$noinline$NegNeg2(int) instruction_simplifier (after) 864 /// CHECK-NOT: Neg 865 /// CHECK-NOT: Add 866 867 /// CHECK-START: int Main.$noinline$NegNeg2(int) constant_folding$after_gvn (after) 868 /// CHECK: <<Const0:i\d+>> IntConstant 0 869 /// CHECK-NOT: Neg 870 /// CHECK-NOT: Add 871 /// CHECK: Return [<<Const0>>] 872 873 public static int $noinline$NegNeg2(int arg) { 874 int temp = -arg; 875 return temp + -temp; 876 } 877 878 /** 879 * Test another 'multi-step' simplification, where a first transformation 880 * yields a new simplification possibility for the current instruction. 881 * The transformations tested are implemented in `InstructionSimplifierVisitor::VisitNeg` 882 * and in `InstructionSimplifierVisitor::VisitSub`. 883 */ 884 885 /// CHECK-START: long Main.$noinline$NegNeg3(long) instruction_simplifier (before) 886 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 887 /// CHECK-DAG: <<Const0:j\d+>> LongConstant 0 888 /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg>>] 889 /// CHECK-DAG: <<Sub:j\d+>> Sub [<<Const0>>,<<Neg>>] 890 /// CHECK-DAG: Return [<<Sub>>] 891 892 /// CHECK-START: long Main.$noinline$NegNeg3(long) instruction_simplifier (after) 893 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 894 /// CHECK-DAG: Return [<<Arg>>] 895 896 /// CHECK-START: long Main.$noinline$NegNeg3(long) instruction_simplifier (after) 897 /// CHECK-NOT: Neg 898 /// CHECK-NOT: Sub 899 900 public static long $noinline$NegNeg3(long arg) { 901 return 0 - -arg; 902 } 903 904 /** 905 * Test that a negated subtraction is simplified to a subtraction with its 906 * arguments reversed. 907 * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNeg`. 908 */ 909 910 /// CHECK-START: int Main.$noinline$NegSub1(int, int) instruction_simplifier (before) 911 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 912 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 913 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg1>>,<<Arg2>>] 914 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Sub>>] 915 /// CHECK-DAG: Return [<<Neg>>] 916 917 /// CHECK-START: int Main.$noinline$NegSub1(int, int) instruction_simplifier (after) 918 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 919 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 920 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg2>>,<<Arg1>>] 921 /// CHECK-DAG: Return [<<Sub>>] 922 923 /// CHECK-START: int Main.$noinline$NegSub1(int, int) instruction_simplifier (after) 924 /// CHECK-NOT: Neg 925 926 public static int $noinline$NegSub1(int arg1, int arg2) { 927 return -(arg1 - arg2); 928 } 929 930 /** 931 * This is similar to the test-case NegSub1, but the subtraction has 932 * multiple uses. 933 * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitNeg`. 934 * The current code won't perform the previous optimization. The 935 * transformations do not look at other uses of their inputs. As they don't 936 * know what will happen with other uses, they do not take the risk of 937 * increasing the register pressure by creating or extending live ranges. 938 */ 939 940 /// CHECK-START: int Main.$noinline$NegSub2(int, int) instruction_simplifier (before) 941 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 942 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 943 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg1>>,<<Arg2>>] 944 /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Sub>>] 945 /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Sub>>] 946 /// CHECK-DAG: <<Or:i\d+>> Or [<<Neg1>>,<<Neg2>>] 947 /// CHECK-DAG: Return [<<Or>>] 948 949 /// CHECK-START: int Main.$noinline$NegSub2(int, int) instruction_simplifier (after) 950 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 951 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 952 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Arg1>>,<<Arg2>>] 953 /// CHECK-DAG: <<Neg1:i\d+>> Neg [<<Sub>>] 954 /// CHECK-DAG: <<Neg2:i\d+>> Neg [<<Sub>>] 955 /// CHECK-DAG: <<Or:i\d+>> Or [<<Neg1>>,<<Neg2>>] 956 /// CHECK-DAG: Return [<<Or>>] 957 958 public static int $noinline$NegSub2(int arg1, int arg2) { 959 int temp = arg1 - arg2; 960 return -temp | -temp; 961 } 962 963 /** 964 * Test the simplification of a subtraction with a negated argument. 965 * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitSub`. 966 */ 967 968 /// CHECK-START: int Main.$noinline$SubNeg1(int, int) instruction_simplifier (before) 969 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 970 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 971 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg1>>] 972 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Neg>>,<<Arg2>>] 973 /// CHECK-DAG: Return [<<Sub>>] 974 975 /// CHECK-START: int Main.$noinline$SubNeg1(int, int) instruction_simplifier (after) 976 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 977 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 978 /// CHECK-DAG: <<Add:i\d+>> Add [<<Arg1>>,<<Arg2>>] 979 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Add>>] 980 /// CHECK-DAG: Return [<<Neg>>] 981 982 /// CHECK-START: int Main.$noinline$SubNeg1(int, int) instruction_simplifier (after) 983 /// CHECK-NOT: Sub 984 985 public static int $noinline$SubNeg1(int arg1, int arg2) { 986 return -arg1 - arg2; 987 } 988 989 /** 990 * This is similar to the test-case SubNeg1, but the negation has 991 * multiple uses. 992 * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitSub`. 993 * The current code won't perform the previous optimization. The 994 * transformations do not look at other uses of their inputs. As they don't 995 * know what will happen with other uses, they do not take the risk of 996 * increasing the register pressure by creating or extending live ranges. 997 */ 998 999 /// CHECK-START: int Main.$noinline$SubNeg2(int, int) instruction_simplifier (before) 1000 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 1001 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 1002 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg1>>] 1003 /// CHECK-DAG: <<Sub1:i\d+>> Sub [<<Neg>>,<<Arg2>>] 1004 /// CHECK-DAG: <<Sub2:i\d+>> Sub [<<Neg>>,<<Arg2>>] 1005 /// CHECK-DAG: <<Or:i\d+>> Or [<<Sub1>>,<<Sub2>>] 1006 /// CHECK-DAG: Return [<<Or>>] 1007 1008 /// CHECK-START: int Main.$noinline$SubNeg2(int, int) instruction_simplifier (after) 1009 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 1010 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 1011 /// CHECK-DAG: <<Neg:i\d+>> Neg [<<Arg1>>] 1012 /// CHECK-DAG: <<Sub1:i\d+>> Sub [<<Neg>>,<<Arg2>>] 1013 /// CHECK-DAG: <<Sub2:i\d+>> Sub [<<Neg>>,<<Arg2>>] 1014 /// CHECK-DAG: <<Or:i\d+>> Or [<<Sub1>>,<<Sub2>>] 1015 /// CHECK-DAG: Return [<<Or>>] 1016 1017 /// CHECK-START: int Main.$noinline$SubNeg2(int, int) instruction_simplifier (after) 1018 /// CHECK-NOT: Add 1019 1020 public static int $noinline$SubNeg2(int arg1, int arg2) { 1021 int temp = -arg1; 1022 return (temp - arg2) | (temp - arg2); 1023 } 1024 1025 /** 1026 * This follows test-cases SubNeg1 and SubNeg2. 1027 * The transformation tested is implemented in `InstructionSimplifierVisitor::VisitSub`. 1028 * The optimization should not happen if it moves an additional instruction in 1029 * the loop. 1030 */ 1031 1032 /// CHECK-START: long Main.$noinline$SubNeg3(long, long) instruction_simplifier (before) 1033 // -------------- Arguments and initial negation operation. 1034 /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue 1035 /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue 1036 /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg1>>] 1037 /// CHECK: Goto 1038 // -------------- Loop 1039 /// CHECK: SuspendCheck 1040 /// CHECK: <<Sub:j\d+>> Sub [<<Neg>>,<<Arg2>>] 1041 /// CHECK: Goto 1042 1043 /// CHECK-START: long Main.$noinline$SubNeg3(long, long) instruction_simplifier (after) 1044 // -------------- Arguments and initial negation operation. 1045 /// CHECK-DAG: <<Arg1:j\d+>> ParameterValue 1046 /// CHECK-DAG: <<Arg2:j\d+>> ParameterValue 1047 /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Arg1>>] 1048 /// CHECK-DAG: Goto 1049 // -------------- Loop 1050 /// CHECK: SuspendCheck 1051 /// CHECK: <<Sub:j\d+>> Sub [<<Neg>>,<<Arg2>>] 1052 /// CHECK-NOT: Neg 1053 /// CHECK: Goto 1054 1055 public static long $noinline$SubNeg3(long arg1, long arg2) { 1056 long res = 0; 1057 long temp = -arg1; 1058 for (long i = 0; i < 1; i++) { 1059 res += temp - arg2 - i; 1060 } 1061 return res; 1062 } 1063 1064 /// CHECK-START: boolean Main.$noinline$EqualBoolVsIntConst(boolean) dead_code_elimination$after_inlining (before) 1065 /// CHECK-DAG: <<Arg:z\d+>> ParameterValue 1066 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 1067 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 1068 /// CHECK-DAG: <<Const2:i\d+>> IntConstant 2 1069 /// CHECK-DAG: If [<<Arg>>] 1070 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Const0>>,<<Const1>>] 1071 /// CHECK-DAG: <<Cond:z\d+>> Equal [<<Phi1>>,<<Const2>>] 1072 /// CHECK-DAG: If [<<Cond>>] 1073 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Const0>>,<<Const1>>] 1074 /// CHECK-DAG: Return [<<Phi2>>] 1075 1076 /// CHECK-START: boolean Main.$noinline$EqualBoolVsIntConst(boolean) dead_code_elimination$after_inlining (after) 1077 /// CHECK-DAG: <<True:i\d+>> IntConstant 1 1078 /// CHECK-DAG: Return [<<True>>] 1079 1080 public static boolean $noinline$EqualBoolVsIntConst(boolean arg) { 1081 // Make calls that will be inlined to make sure the instruction simplifier 1082 // sees the simplification (dead code elimination will also try to simplify it). 1083 return (arg ? $inline$ReturnArg(0) : $inline$ReturnArg(1)) != 2; 1084 } 1085 1086 public static int $inline$ReturnArg(int arg) { 1087 return arg; 1088 } 1089 1090 /// CHECK-START: boolean Main.$noinline$NotEqualBoolVsIntConst(boolean) instruction_simplifier$after_inlining (before) 1091 /// CHECK-DAG: <<Arg:z\d+>> ParameterValue 1092 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 1093 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 1094 /// CHECK-DAG: <<Const2:i\d+>> IntConstant 2 1095 /// CHECK-DAG: If [<<Arg>>] 1096 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Const0>>,<<Const1>>] 1097 /// CHECK-DAG: <<Cond:z\d+>> NotEqual [<<Phi1>>,<<Const2>>] 1098 /// CHECK-DAG: If [<<Cond>>] 1099 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Const0>>,<<Const1>>] 1100 /// CHECK-DAG: Return [<<Phi2>>] 1101 1102 /// CHECK-START: boolean Main.$noinline$NotEqualBoolVsIntConst(boolean) dead_code_elimination$after_inlining (after) 1103 /// CHECK-DAG: <<False:i\d+>> IntConstant 0 1104 /// CHECK-DAG: Return [<<False>>] 1105 1106 public static boolean $noinline$NotEqualBoolVsIntConst(boolean arg) { 1107 // Make calls that will be inlined to make sure the instruction simplifier 1108 // sees the simplification (dead code elimination will also try to simplify it). 1109 return (arg ? $inline$ReturnArg(0) : $inline$ReturnArg(1)) == 2; 1110 } 1111 1112 /// CHECK-START: float Main.$noinline$Div2(float) instruction_simplifier (before) 1113 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1114 /// CHECK-DAG: <<Const2:f\d+>> FloatConstant 2 1115 /// CHECK-DAG: <<Div:f\d+>> Div [<<Arg>>,<<Const2>>] 1116 /// CHECK-DAG: Return [<<Div>>] 1117 1118 /// CHECK-START: float Main.$noinline$Div2(float) instruction_simplifier (after) 1119 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1120 /// CHECK-DAG: <<ConstP5:f\d+>> FloatConstant 0.5 1121 /// CHECK-DAG: <<Mul:f\d+>> Mul [<<Arg>>,<<ConstP5>>] 1122 /// CHECK-DAG: Return [<<Mul>>] 1123 1124 /// CHECK-START: float Main.$noinline$Div2(float) instruction_simplifier (after) 1125 /// CHECK-NOT: Div 1126 1127 public static float $noinline$Div2(float arg) { 1128 return arg / 2.0f; 1129 } 1130 1131 /// CHECK-START: double Main.$noinline$Div2(double) instruction_simplifier (before) 1132 /// CHECK-DAG: <<Arg:d\d+>> ParameterValue 1133 /// CHECK-DAG: <<Const2:d\d+>> DoubleConstant 2 1134 /// CHECK-DAG: <<Div:d\d+>> Div [<<Arg>>,<<Const2>>] 1135 /// CHECK-DAG: Return [<<Div>>] 1136 1137 /// CHECK-START: double Main.$noinline$Div2(double) instruction_simplifier (after) 1138 /// CHECK-DAG: <<Arg:d\d+>> ParameterValue 1139 /// CHECK-DAG: <<ConstP5:d\d+>> DoubleConstant 0.5 1140 /// CHECK-DAG: <<Mul:d\d+>> Mul [<<Arg>>,<<ConstP5>>] 1141 /// CHECK-DAG: Return [<<Mul>>] 1142 1143 /// CHECK-START: double Main.$noinline$Div2(double) instruction_simplifier (after) 1144 /// CHECK-NOT: Div 1145 public static double $noinline$Div2(double arg) { 1146 return arg / 2.0; 1147 } 1148 1149 /// CHECK-START: float Main.$noinline$DivMP25(float) instruction_simplifier (before) 1150 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1151 /// CHECK-DAG: <<ConstMP25:f\d+>> FloatConstant -0.25 1152 /// CHECK-DAG: <<Div:f\d+>> Div [<<Arg>>,<<ConstMP25>>] 1153 /// CHECK-DAG: Return [<<Div>>] 1154 1155 /// CHECK-START: float Main.$noinline$DivMP25(float) instruction_simplifier (after) 1156 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1157 /// CHECK-DAG: <<ConstM4:f\d+>> FloatConstant -4 1158 /// CHECK-DAG: <<Mul:f\d+>> Mul [<<Arg>>,<<ConstM4>>] 1159 /// CHECK-DAG: Return [<<Mul>>] 1160 1161 /// CHECK-START: float Main.$noinline$DivMP25(float) instruction_simplifier (after) 1162 /// CHECK-NOT: Div 1163 1164 public static float $noinline$DivMP25(float arg) { 1165 return arg / -0.25f; 1166 } 1167 1168 /// CHECK-START: double Main.$noinline$DivMP25(double) instruction_simplifier (before) 1169 /// CHECK-DAG: <<Arg:d\d+>> ParameterValue 1170 /// CHECK-DAG: <<ConstMP25:d\d+>> DoubleConstant -0.25 1171 /// CHECK-DAG: <<Div:d\d+>> Div [<<Arg>>,<<ConstMP25>>] 1172 /// CHECK-DAG: Return [<<Div>>] 1173 1174 /// CHECK-START: double Main.$noinline$DivMP25(double) instruction_simplifier (after) 1175 /// CHECK-DAG: <<Arg:d\d+>> ParameterValue 1176 /// CHECK-DAG: <<ConstM4:d\d+>> DoubleConstant -4 1177 /// CHECK-DAG: <<Mul:d\d+>> Mul [<<Arg>>,<<ConstM4>>] 1178 /// CHECK-DAG: Return [<<Mul>>] 1179 1180 /// CHECK-START: double Main.$noinline$DivMP25(double) instruction_simplifier (after) 1181 /// CHECK-NOT: Div 1182 public static double $noinline$DivMP25(double arg) { 1183 return arg / -0.25f; 1184 } 1185 1186 /** 1187 * Test strength reduction of factors of the form (2^n + 1). 1188 */ 1189 1190 /// CHECK-START: int Main.$noinline$mulPow2Plus1(int) instruction_simplifier (before) 1191 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1192 /// CHECK-DAG: <<Const9:i\d+>> IntConstant 9 1193 /// CHECK: Mul [<<Arg>>,<<Const9>>] 1194 1195 /// CHECK-START: int Main.$noinline$mulPow2Plus1(int) instruction_simplifier (after) 1196 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1197 /// CHECK-DAG: <<Const3:i\d+>> IntConstant 3 1198 /// CHECK: <<Shift:i\d+>> Shl [<<Arg>>,<<Const3>>] 1199 /// CHECK-NEXT: Add [<<Arg>>,<<Shift>>] 1200 1201 public static int $noinline$mulPow2Plus1(int arg) { 1202 return arg * 9; 1203 } 1204 1205 /** 1206 * Test strength reduction of factors of the form (2^n - 1). 1207 */ 1208 1209 /// CHECK-START: long Main.$noinline$mulPow2Minus1(long) instruction_simplifier (before) 1210 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 1211 /// CHECK-DAG: <<Const31:j\d+>> LongConstant 31 1212 /// CHECK: Mul [<<Const31>>,<<Arg>>] 1213 1214 /// CHECK-START: long Main.$noinline$mulPow2Minus1(long) instruction_simplifier (after) 1215 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 1216 /// CHECK-DAG: <<Const5:i\d+>> IntConstant 5 1217 /// CHECK: <<Shift:j\d+>> Shl [<<Arg>>,<<Const5>>] 1218 /// CHECK-NEXT: Sub [<<Shift>>,<<Arg>>] 1219 1220 public static long $noinline$mulPow2Minus1(long arg) { 1221 return arg * 31; 1222 } 1223 1224 /// CHECK-START: int Main.$noinline$booleanFieldNotEqualOne() instruction_simplifier$after_inlining (before) 1225 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 1226 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1227 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1228 /// CHECK-DAG: <<Field:z\d+>> StaticFieldGet 1229 /// CHECK-DAG: <<NE:z\d+>> NotEqual [<<Field>>,<<Const1>>] 1230 /// CHECK-DAG: If [<<NE>>] 1231 /// CHECK-DAG: <<Phi:i\d+>> Phi [<<Const13>>,<<Const54>>] 1232 /// CHECK-DAG: Return [<<Phi>>] 1233 1234 /// CHECK-START: int Main.$noinline$booleanFieldNotEqualOne() select_generator (after) 1235 /// CHECK-DAG: <<Field:z\d+>> StaticFieldGet 1236 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1237 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1238 /// CHECK-DAG: <<Select:i\d+>> Select [<<Const54>>,<<Const13>>,<<Field>>] 1239 /// CHECK-DAG: Return [<<Select>>] 1240 1241 public static int $noinline$booleanFieldNotEqualOne() { 1242 return (booleanField == $inline$true()) ? 13 : 54; 1243 } 1244 1245 /// CHECK-START: int Main.$noinline$booleanFieldEqualZero() instruction_simplifier$after_inlining (before) 1246 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 1247 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1248 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1249 /// CHECK-DAG: <<Field:z\d+>> StaticFieldGet 1250 /// CHECK-DAG: <<EQ:z\d+>> Equal [<<Field>>,<<Const0>>] 1251 /// CHECK-DAG: If [<<EQ>>] 1252 /// CHECK-DAG: <<Phi:i\d+>> Phi [<<Const13>>,<<Const54>>] 1253 /// CHECK-DAG: Return [<<Phi>>] 1254 1255 /// CHECK-START: int Main.$noinline$booleanFieldEqualZero() select_generator (after) 1256 /// CHECK-DAG: <<Field:z\d+>> StaticFieldGet 1257 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1258 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1259 /// CHECK-DAG: <<Select:i\d+>> Select [<<Const54>>,<<Const13>>,<<Field>>] 1260 /// CHECK-DAG: Return [<<Select>>] 1261 1262 public static int $noinline$booleanFieldEqualZero() { 1263 return (booleanField != $inline$false()) ? 13 : 54; 1264 } 1265 1266 /// CHECK-START: int Main.$noinline$intConditionNotEqualOne(int) instruction_simplifier$after_inlining (before) 1267 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1268 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 1269 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 1270 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1271 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 1272 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1273 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] 1274 /// CHECK-DAG: If [<<LE>>] 1275 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Const1>>,<<Const0>>] 1276 /// CHECK-DAG: <<NE:z\d+>> NotEqual [<<Phi1>>,<<Const1>>] 1277 /// CHECK-DAG: If [<<NE>>] 1278 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Const13>>,<<Const54>>] 1279 /// CHECK-DAG: Return [<<Phi2>>] 1280 1281 /// CHECK-START: int Main.$noinline$intConditionNotEqualOne(int) select_generator (after) 1282 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1283 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1284 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 1285 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1286 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] 1287 /// CHECK-DAG: <<Result:i\d+>> Select [<<Const13>>,<<Const54>>,<<LE>>] 1288 /// CHECK-DAG: Return [<<Result>>] 1289 // Note that we match `LE` from Select because there are two identical 1290 // LessThanOrEqual instructions. 1291 1292 public static int $noinline$intConditionNotEqualOne(int i) { 1293 return ((i > 42) == $inline$true()) ? 13 : 54; 1294 } 1295 1296 /// CHECK-START: int Main.$noinline$intConditionEqualZero(int) instruction_simplifier$after_inlining (before) 1297 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1298 /// CHECK-DAG: <<Const0:i\d+>> IntConstant 0 1299 /// CHECK-DAG: <<Const1:i\d+>> IntConstant 1 1300 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1301 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 1302 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1303 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] 1304 /// CHECK-DAG: If [<<LE>>] 1305 /// CHECK-DAG: <<Phi1:i\d+>> Phi [<<Const1>>,<<Const0>>] 1306 /// CHECK-DAG: <<EQ:z\d+>> Equal [<<Phi1>>,<<Const0>>] 1307 /// CHECK-DAG: If [<<EQ>>] 1308 /// CHECK-DAG: <<Phi2:i\d+>> Phi [<<Const13>>,<<Const54>>] 1309 /// CHECK-DAG: Return [<<Phi2>>] 1310 1311 /// CHECK-START: int Main.$noinline$intConditionEqualZero(int) select_generator (after) 1312 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1313 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1314 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 1315 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1316 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] 1317 /// CHECK-DAG: <<Result:i\d+>> Select [<<Const13>>,<<Const54>>,<<LE>>] 1318 /// CHECK-DAG: Return [<<Result>>] 1319 // Note that we match `LE` from Select because there are two identical 1320 // LessThanOrEqual instructions. 1321 1322 public static int $noinline$intConditionEqualZero(int i) { 1323 return ((i > 42) != $inline$false()) ? 13 : 54; 1324 } 1325 1326 // Test that conditions on float/double are not flipped. 1327 1328 /// CHECK-START: int Main.$noinline$floatConditionNotEqualOne(float) builder (after) 1329 /// CHECK: LessThanOrEqual 1330 1331 /// CHECK-START: int Main.$noinline$floatConditionNotEqualOne(float) instruction_simplifier$before_codegen (after) 1332 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1333 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1334 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1335 /// CHECK-DAG: <<Const42:f\d+>> FloatConstant 42 1336 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] 1337 /// CHECK-DAG: <<Select:i\d+>> Select [<<Const13>>,<<Const54>>,<<LE>>] 1338 /// CHECK-DAG: Return [<<Select>>] 1339 1340 public static int $noinline$floatConditionNotEqualOne(float f) { 1341 return ((f > 42.0f) == true) ? 13 : 54; 1342 } 1343 1344 /// CHECK-START: int Main.$noinline$doubleConditionEqualZero(double) builder (after) 1345 /// CHECK: LessThanOrEqual 1346 1347 /// CHECK-START: int Main.$noinline$doubleConditionEqualZero(double) instruction_simplifier$before_codegen (after) 1348 /// CHECK-DAG: <<Arg:d\d+>> ParameterValue 1349 /// CHECK-DAG: <<Const13:i\d+>> IntConstant 13 1350 /// CHECK-DAG: <<Const54:i\d+>> IntConstant 54 1351 /// CHECK-DAG: <<Const42:d\d+>> DoubleConstant 42 1352 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Arg>>,<<Const42>>] 1353 /// CHECK-DAG: <<Select:i\d+>> Select [<<Const13>>,<<Const54>>,<<LE>>] 1354 /// CHECK-DAG: Return [<<Select>>] 1355 1356 public static int $noinline$doubleConditionEqualZero(double d) { 1357 return ((d > 42.0) != false) ? 13 : 54; 1358 } 1359 1360 /// CHECK-START: int Main.$noinline$intToDoubleToInt(int) instruction_simplifier (before) 1361 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1362 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] 1363 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] 1364 /// CHECK-DAG: Return [<<Int>>] 1365 1366 /// CHECK-START: int Main.$noinline$intToDoubleToInt(int) instruction_simplifier (after) 1367 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1368 /// CHECK-DAG: Return [<<Arg>>] 1369 1370 /// CHECK-START: int Main.$noinline$intToDoubleToInt(int) instruction_simplifier (after) 1371 /// CHECK-NOT: TypeConversion 1372 1373 public static int $noinline$intToDoubleToInt(int value) { 1374 // Lossless conversion followed by a conversion back. 1375 return (int) (double) value; 1376 } 1377 1378 /// CHECK-START: java.lang.String Main.$noinline$intToDoubleToIntPrint(int) instruction_simplifier (before) 1379 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1380 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] 1381 /// CHECK-DAG: {{i\d+}} TypeConversion [<<Double>>] 1382 1383 /// CHECK-START: java.lang.String Main.$noinline$intToDoubleToIntPrint(int) instruction_simplifier (after) 1384 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1385 /// CHECK-DAG: {{d\d+}} TypeConversion [<<Arg>>] 1386 1387 /// CHECK-START: java.lang.String Main.$noinline$intToDoubleToIntPrint(int) instruction_simplifier (after) 1388 /// CHECK-DAG: TypeConversion 1389 /// CHECK-NOT: TypeConversion 1390 1391 public static String $noinline$intToDoubleToIntPrint(int value) { 1392 // Lossless conversion followed by a conversion back 1393 // with another use of the intermediate result. 1394 double d = (double) value; 1395 int i = (int) d; 1396 return "d=" + d + ", i=" + i; 1397 } 1398 1399 /// CHECK-START: int Main.$noinline$byteToDoubleToInt(byte) instruction_simplifier (before) 1400 /// CHECK-DAG: <<Arg:b\d+>> ParameterValue 1401 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] 1402 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] 1403 /// CHECK-DAG: Return [<<Int>>] 1404 1405 /// CHECK-START: int Main.$noinline$byteToDoubleToInt(byte) instruction_simplifier (after) 1406 /// CHECK-DAG: <<Arg:b\d+>> ParameterValue 1407 /// CHECK-DAG: Return [<<Arg>>] 1408 1409 /// CHECK-START: int Main.$noinline$byteToDoubleToInt(byte) instruction_simplifier (after) 1410 /// CHECK-NOT: TypeConversion 1411 1412 public static int $noinline$byteToDoubleToInt(byte value) { 1413 // Lossless conversion followed by another conversion, use implicit conversion. 1414 return (int) (double) value; 1415 } 1416 1417 /// CHECK-START: int Main.$noinline$floatToDoubleToInt(float) instruction_simplifier (before) 1418 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1419 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] 1420 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] 1421 /// CHECK-DAG: Return [<<Int>>] 1422 1423 /// CHECK-START: int Main.$noinline$floatToDoubleToInt(float) instruction_simplifier (after) 1424 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1425 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] 1426 /// CHECK-DAG: Return [<<Int>>] 1427 1428 /// CHECK-START: int Main.$noinline$floatToDoubleToInt(float) instruction_simplifier (after) 1429 /// CHECK-DAG: TypeConversion 1430 /// CHECK-NOT: TypeConversion 1431 1432 public static int $noinline$floatToDoubleToInt(float value) { 1433 // Lossless conversion followed by another conversion. 1434 return (int) (double) value; 1435 } 1436 1437 /// CHECK-START: java.lang.String Main.$noinline$floatToDoubleToIntPrint(float) instruction_simplifier (before) 1438 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1439 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] 1440 /// CHECK-DAG: {{i\d+}} TypeConversion [<<Double>>] 1441 1442 /// CHECK-START: java.lang.String Main.$noinline$floatToDoubleToIntPrint(float) instruction_simplifier (after) 1443 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1444 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] 1445 /// CHECK-DAG: {{i\d+}} TypeConversion [<<Double>>] 1446 1447 public static String $noinline$floatToDoubleToIntPrint(float value) { 1448 // Lossless conversion followed by another conversion with 1449 // an extra use of the intermediate result. 1450 double d = (double) value; 1451 int i = (int) d; 1452 return "d=" + d + ", i=" + i; 1453 } 1454 1455 /// CHECK-START: short Main.$noinline$byteToDoubleToShort(byte) instruction_simplifier (before) 1456 /// CHECK-DAG: <<Arg:b\d+>> ParameterValue 1457 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] 1458 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] 1459 /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Int>>] 1460 /// CHECK-DAG: Return [<<Short>>] 1461 1462 /// CHECK-START: short Main.$noinline$byteToDoubleToShort(byte) instruction_simplifier (after) 1463 /// CHECK-DAG: <<Arg:b\d+>> ParameterValue 1464 /// CHECK-DAG: Return [<<Arg>>] 1465 1466 /// CHECK-START: short Main.$noinline$byteToDoubleToShort(byte) instruction_simplifier (after) 1467 /// CHECK-NOT: TypeConversion 1468 1469 public static short $noinline$byteToDoubleToShort(byte value) { 1470 // Originally, this is byte->double->int->short. The first conversion is lossless, 1471 // so we merge this with the second one to byte->int which we omit as it's an implicit 1472 // conversion. Then we eliminate the resulting byte->short as an implicit conversion. 1473 return (short) (double) value; 1474 } 1475 1476 /// CHECK-START: short Main.$noinline$charToDoubleToShort(char) instruction_simplifier (before) 1477 /// CHECK-DAG: <<Arg:c\d+>> ParameterValue 1478 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] 1479 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Double>>] 1480 /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Int>>] 1481 /// CHECK-DAG: Return [<<Short>>] 1482 1483 /// CHECK-START: short Main.$noinline$charToDoubleToShort(char) instruction_simplifier (after) 1484 /// CHECK-DAG: <<Arg:c\d+>> ParameterValue 1485 /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Arg>>] 1486 /// CHECK-DAG: Return [<<Short>>] 1487 1488 /// CHECK-START: short Main.$noinline$charToDoubleToShort(char) instruction_simplifier (after) 1489 /// CHECK-DAG: TypeConversion 1490 /// CHECK-NOT: TypeConversion 1491 1492 public static short $noinline$charToDoubleToShort(char value) { 1493 // Originally, this is char->double->int->short. The first conversion is lossless, 1494 // so we merge this with the second one to char->int which we omit as it's an implicit 1495 // conversion. Then we are left with the resulting char->short conversion. 1496 return (short) (double) value; 1497 } 1498 1499 /// CHECK-START: short Main.$noinline$floatToIntToShort(float) instruction_simplifier (before) 1500 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1501 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] 1502 /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Int>>] 1503 /// CHECK-DAG: Return [<<Short>>] 1504 1505 /// CHECK-START: short Main.$noinline$floatToIntToShort(float) instruction_simplifier (after) 1506 /// CHECK-DAG: <<Arg:f\d+>> ParameterValue 1507 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] 1508 /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Int>>] 1509 /// CHECK-DAG: Return [<<Short>>] 1510 1511 public static short $noinline$floatToIntToShort(float value) { 1512 // Lossy FP to integral conversion followed by another conversion: no simplification. 1513 return (short) value; 1514 } 1515 1516 /// CHECK-START: int Main.$noinline$intToFloatToInt(int) instruction_simplifier (before) 1517 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1518 /// CHECK-DAG: <<Float:f\d+>> TypeConversion [<<Arg>>] 1519 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Float>>] 1520 /// CHECK-DAG: Return [<<Int>>] 1521 1522 /// CHECK-START: int Main.$noinline$intToFloatToInt(int) instruction_simplifier (after) 1523 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1524 /// CHECK-DAG: <<Float:f\d+>> TypeConversion [<<Arg>>] 1525 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Float>>] 1526 /// CHECK-DAG: Return [<<Int>>] 1527 1528 public static int $noinline$intToFloatToInt(int value) { 1529 // Lossy integral to FP conversion followed another conversion: no simplification. 1530 return (int) (float) value; 1531 } 1532 1533 /// CHECK-START: double Main.$noinline$longToIntToDouble(long) instruction_simplifier (before) 1534 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 1535 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] 1536 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Int>>] 1537 /// CHECK-DAG: Return [<<Double>>] 1538 1539 /// CHECK-START: double Main.$noinline$longToIntToDouble(long) instruction_simplifier (after) 1540 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 1541 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] 1542 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Int>>] 1543 /// CHECK-DAG: Return [<<Double>>] 1544 1545 public static double $noinline$longToIntToDouble(long value) { 1546 // Lossy long-to-int conversion followed an integral to FP conversion: no simplification. 1547 return (double) (int) value; 1548 } 1549 1550 /// CHECK-START: long Main.$noinline$longToIntToLong(long) instruction_simplifier (before) 1551 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 1552 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] 1553 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Int>>] 1554 /// CHECK-DAG: Return [<<Long>>] 1555 1556 /// CHECK-START: long Main.$noinline$longToIntToLong(long) instruction_simplifier (after) 1557 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 1558 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Arg>>] 1559 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Int>>] 1560 /// CHECK-DAG: Return [<<Long>>] 1561 1562 public static long $noinline$longToIntToLong(long value) { 1563 // Lossy long-to-int conversion followed an int-to-long conversion: no simplification. 1564 return (long) (int) value; 1565 } 1566 1567 /// CHECK-START: short Main.$noinline$shortToCharToShort(short) instruction_simplifier (before) 1568 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1569 /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] 1570 /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<Char>>] 1571 /// CHECK-DAG: Return [<<Short>>] 1572 1573 /// CHECK-START: short Main.$noinline$shortToCharToShort(short) instruction_simplifier (after) 1574 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1575 /// CHECK-DAG: Return [<<Arg>>] 1576 1577 public static short $noinline$shortToCharToShort(short value) { 1578 // Integral conversion followed by non-widening integral conversion to original type. 1579 return (short) (char) value; 1580 } 1581 1582 /// CHECK-START: int Main.$noinline$shortToLongToInt(short) instruction_simplifier (before) 1583 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1584 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Arg>>] 1585 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<Long>>] 1586 /// CHECK-DAG: Return [<<Int>>] 1587 1588 /// CHECK-START: int Main.$noinline$shortToLongToInt(short) instruction_simplifier (after) 1589 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1590 /// CHECK-DAG: Return [<<Arg>>] 1591 1592 public static int $noinline$shortToLongToInt(short value) { 1593 // Integral conversion followed by non-widening integral conversion, use implicit conversion. 1594 return (int) (long) value; 1595 } 1596 1597 /// CHECK-START: byte Main.$noinline$shortToCharToByte(short) instruction_simplifier (before) 1598 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1599 /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] 1600 /// CHECK-DAG: <<Byte:b\d+>> TypeConversion [<<Char>>] 1601 /// CHECK-DAG: Return [<<Byte>>] 1602 1603 /// CHECK-START: byte Main.$noinline$shortToCharToByte(short) instruction_simplifier (after) 1604 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1605 /// CHECK-DAG: <<Byte:b\d+>> TypeConversion [<<Arg>>] 1606 /// CHECK-DAG: Return [<<Byte>>] 1607 1608 public static byte $noinline$shortToCharToByte(short value) { 1609 // Integral conversion followed by non-widening integral conversion losing bits 1610 // from the original type. Simplify to use only one conversion. 1611 return (byte) (char) value; 1612 } 1613 1614 /// CHECK-START: java.lang.String Main.$noinline$shortToCharToBytePrint(short) instruction_simplifier (before) 1615 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1616 /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] 1617 /// CHECK-DAG: {{b\d+}} TypeConversion [<<Char>>] 1618 1619 /// CHECK-START: java.lang.String Main.$noinline$shortToCharToBytePrint(short) instruction_simplifier (after) 1620 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1621 /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] 1622 /// CHECK-DAG: {{b\d+}} TypeConversion [<<Char>>] 1623 1624 public static String $noinline$shortToCharToBytePrint(short value) { 1625 // Integral conversion followed by non-widening integral conversion losing bits 1626 // from the original type with an extra use of the intermediate result. 1627 char c = (char) value; 1628 byte b = (byte) c; 1629 return "c=" + ((int) c) + ", b=" + ((int) b); // implicit conversions. 1630 } 1631 1632 /// CHECK-START: long Main.$noinline$intAndSmallLongConstant(int) instruction_simplifier (before) 1633 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1634 /// CHECK-DAG: <<Mask:j\d+>> LongConstant -12345678 1635 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Arg>>] 1636 /// CHECK-DAG: <<And:j\d+>> And [<<Long>>,<<Mask>>] 1637 /// CHECK-DAG: Return [<<And>>] 1638 1639 /// CHECK-START: long Main.$noinline$intAndSmallLongConstant(int) instruction_simplifier (after) 1640 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1641 /// CHECK-DAG: <<Mask:i\d+>> IntConstant -12345678 1642 /// CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<Mask>>] 1643 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<And>>] 1644 /// CHECK-DAG: Return [<<Long>>] 1645 1646 public static long $noinline$intAndSmallLongConstant(int value) { 1647 return value & -12345678L; // Shall be simplified (constant is 32-bit). 1648 } 1649 1650 /// CHECK-START: long Main.$noinline$intAndLargeLongConstant(int) instruction_simplifier (before) 1651 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1652 /// CHECK-DAG: <<Mask:j\d+>> LongConstant 9876543210 1653 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Arg>>] 1654 /// CHECK-DAG: <<And:j\d+>> And [<<Long>>,<<Mask>>] 1655 /// CHECK-DAG: Return [<<And>>] 1656 1657 /// CHECK-START: long Main.$noinline$intAndLargeLongConstant(int) instruction_simplifier (after) 1658 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1659 /// CHECK-DAG: <<Mask:j\d+>> LongConstant 9876543210 1660 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Arg>>] 1661 /// CHECK-DAG: <<And:j\d+>> And [<<Long>>,<<Mask>>] 1662 /// CHECK-DAG: Return [<<And>>] 1663 1664 public static long $noinline$intAndLargeLongConstant(int value) { 1665 return value & 9876543210L; // Shall not be simplified (constant is not 32-bit). 1666 } 1667 1668 /// CHECK-START: long Main.$noinline$intShr28And15L(int) instruction_simplifier (before) 1669 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1670 /// CHECK-DAG: <<Shift:i\d+>> IntConstant 28 1671 /// CHECK-DAG: <<Mask:j\d+>> LongConstant 15 1672 /// CHECK-DAG: <<Shifted:i\d+>> Shr [<<Arg>>,<<Shift>>] 1673 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Shifted>>] 1674 /// CHECK-DAG: <<And:j\d+>> And [<<Long>>,<<Mask>>] 1675 /// CHECK-DAG: Return [<<And>>] 1676 1677 /// CHECK-START: long Main.$noinline$intShr28And15L(int) instruction_simplifier (after) 1678 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1679 /// CHECK-DAG: <<Shift:i\d+>> IntConstant 28 1680 /// CHECK-DAG: <<Shifted:i\d+>> UShr [<<Arg>>,<<Shift>>] 1681 /// CHECK-DAG: <<Long:j\d+>> TypeConversion [<<Shifted>>] 1682 /// CHECK-DAG: Return [<<Long>>] 1683 1684 public static long $noinline$intShr28And15L(int value) { 1685 return (value >> 28) & 15L; 1686 } 1687 1688 /// CHECK-START: byte Main.$noinline$longAnd0xffToByte(long) instruction_simplifier (before) 1689 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 1690 /// CHECK-DAG: <<Mask:j\d+>> LongConstant 255 1691 /// CHECK-DAG: <<And:j\d+>> And [<<Mask>>,<<Arg>>] 1692 /// CHECK-DAG: <<Int:i\d+>> TypeConversion [<<And>>] 1693 /// CHECK-DAG: <<Byte:b\d+>> TypeConversion [<<Int>>] 1694 /// CHECK-DAG: Return [<<Byte>>] 1695 1696 /// CHECK-START: byte Main.$noinline$longAnd0xffToByte(long) instruction_simplifier (after) 1697 /// CHECK-DAG: <<Arg:j\d+>> ParameterValue 1698 /// CHECK-DAG: <<Byte:b\d+>> TypeConversion [<<Arg>>] 1699 /// CHECK-DAG: Return [<<Byte>>] 1700 1701 /// CHECK-START: byte Main.$noinline$longAnd0xffToByte(long) instruction_simplifier (after) 1702 /// CHECK-NOT: And 1703 1704 public static byte $noinline$longAnd0xffToByte(long value) { 1705 return (byte) (value & 0xff); 1706 } 1707 1708 /// CHECK-START: char Main.$noinline$intAnd0x1ffffToChar(int) instruction_simplifier (before) 1709 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1710 /// CHECK-DAG: <<Mask:i\d+>> IntConstant 131071 1711 /// CHECK-DAG: <<And:i\d+>> And [<<Mask>>,<<Arg>>] 1712 /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<And>>] 1713 /// CHECK-DAG: Return [<<Char>>] 1714 1715 /// CHECK-START: char Main.$noinline$intAnd0x1ffffToChar(int) instruction_simplifier (after) 1716 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1717 /// CHECK-DAG: <<Char:c\d+>> TypeConversion [<<Arg>>] 1718 /// CHECK-DAG: Return [<<Char>>] 1719 1720 /// CHECK-START: char Main.$noinline$intAnd0x1ffffToChar(int) instruction_simplifier (after) 1721 /// CHECK-NOT: And 1722 1723 public static char $noinline$intAnd0x1ffffToChar(int value) { 1724 // Keeping all significant bits and one more. 1725 return (char) (value & 0x1ffff); 1726 } 1727 1728 /// CHECK-START: short Main.$noinline$intAnd0x17fffToShort(int) instruction_simplifier (before) 1729 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1730 /// CHECK-DAG: <<Mask:i\d+>> IntConstant 98303 1731 /// CHECK-DAG: <<And:i\d+>> And [<<Mask>>,<<Arg>>] 1732 /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<And>>] 1733 /// CHECK-DAG: Return [<<Short>>] 1734 1735 /// CHECK-START: short Main.$noinline$intAnd0x17fffToShort(int) instruction_simplifier (after) 1736 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1737 /// CHECK-DAG: <<Mask:i\d+>> IntConstant 98303 1738 /// CHECK-DAG: <<And:i\d+>> And [<<Mask>>,<<Arg>>] 1739 /// CHECK-DAG: <<Short:s\d+>> TypeConversion [<<And>>] 1740 /// CHECK-DAG: Return [<<Short>>] 1741 1742 public static short $noinline$intAnd0x17fffToShort(int value) { 1743 // No simplification: clearing a significant bit. 1744 return (short) (value & 0x17fff); 1745 } 1746 1747 /// CHECK-START: double Main.$noinline$shortAnd0xffffToShortToDouble(short) instruction_simplifier (before) 1748 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1749 /// CHECK-DAG: <<Mask:i\d+>> IntConstant 65535 1750 /// CHECK-DAG: <<And:i\d+>> And [<<Mask>>,<<Arg>>] 1751 /// CHECK-DAG: <<Same:s\d+>> TypeConversion [<<And>>] 1752 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Same>>] 1753 /// CHECK-DAG: Return [<<Double>>] 1754 1755 /// CHECK-START: double Main.$noinline$shortAnd0xffffToShortToDouble(short) instruction_simplifier (after) 1756 /// CHECK-DAG: <<Arg:s\d+>> ParameterValue 1757 /// CHECK-DAG: <<Double:d\d+>> TypeConversion [<<Arg>>] 1758 /// CHECK-DAG: Return [<<Double>>] 1759 1760 public static double $noinline$shortAnd0xffffToShortToDouble(short value) { 1761 short same = (short) (value & 0xffff); 1762 return (double) same; 1763 } 1764 1765 /// CHECK-START: int Main.$noinline$intReverseCondition(int) instruction_simplifier (before) 1766 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1767 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 1768 /// CHECK-DAG: <<LE:z\d+>> LessThanOrEqual [<<Const42>>,<<Arg>>] 1769 1770 /// CHECK-START: int Main.$noinline$intReverseCondition(int) instruction_simplifier (after) 1771 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 1772 /// CHECK-DAG: <<Const42:i\d+>> IntConstant 42 1773 /// CHECK-DAG: <<GE:z\d+>> GreaterThanOrEqual [<<Arg>>,<<Const42>>] 1774 1775 public static int $noinline$intReverseCondition(int i) { 1776 return (42 > i) ? 13 : 54; 1777 } 1778 1779 /// CHECK-START: int Main.$noinline$intReverseConditionNaN(int) instruction_simplifier (before) 1780 /// CHECK-DAG: <<Const42:d\d+>> DoubleConstant 42 1781 /// CHECK-DAG: <<Result:d\d+>> InvokeStaticOrDirect 1782 /// CHECK-DAG: <<CMP:i\d+>> Compare [<<Const42>>,<<Result>>] 1783 1784 /// CHECK-START: int Main.$noinline$intReverseConditionNaN(int) instruction_simplifier (after) 1785 /// CHECK-DAG: <<Const42:d\d+>> DoubleConstant 42 1786 /// CHECK-DAG: <<Result:d\d+>> InvokeStaticOrDirect 1787 /// CHECK-DAG: <<EQ:z\d+>> Equal [<<Result>>,<<Const42>>] 1788 1789 public static int $noinline$intReverseConditionNaN(int i) { 1790 return (42 != Math.sqrt(i)) ? 13 : 54; 1791 } 1792 1793 public static int $noinline$runSmaliTest(String name, boolean input) { 1794 try { 1795 Class<?> c = Class.forName("SmaliTests"); 1796 Method m = c.getMethod(name, boolean.class); 1797 return (Integer) m.invoke(null, input); 1798 } catch (Exception ex) { 1799 throw new Error(ex); 1800 } 1801 } 1802 1803 public static boolean $noinline$runSmaliTest2Boolean(String name, boolean input) { 1804 try { 1805 Class<?> c = Class.forName("SmaliTests2"); 1806 Method m = c.getMethod(name, boolean.class); 1807 return (Boolean) m.invoke(null, input); 1808 } catch (Exception ex) { 1809 throw new Error(ex); 1810 } 1811 } 1812 1813 public static int $noinline$runSmaliTestInt(String postfix, String name, int arg) { 1814 try { 1815 Class<?> c = Class.forName("SmaliTests" + postfix); 1816 Method m = c.getMethod(name, int.class); 1817 return (Integer) m.invoke(null, arg); 1818 } catch (Exception ex) { 1819 throw new Error(ex); 1820 } 1821 } 1822 1823 public static int $noinline$runSmaliTestInt(String name, int arg) { 1824 return $noinline$runSmaliTestInt("", name, arg); 1825 } 1826 1827 public static long $noinline$runSmaliTest2Long(String name, long arg) { 1828 try { 1829 Class<?> c = Class.forName("SmaliTests2"); 1830 Method m = c.getMethod(name, long.class); 1831 return (Long) m.invoke(null, arg); 1832 } catch (Exception ex) { 1833 throw new Error(ex); 1834 } 1835 } 1836 1837 /// CHECK-START: int Main.$noinline$intUnnecessaryShiftMasking(int, int) instruction_simplifier (before) 1838 /// CHECK: <<Value:i\d+>> ParameterValue 1839 /// CHECK: <<Shift:i\d+>> ParameterValue 1840 /// CHECK-DAG: <<Const31:i\d+>> IntConstant 31 1841 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const31>>] 1842 /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Value>>,<<And>>] 1843 /// CHECK-DAG: Return [<<Shl>>] 1844 1845 /// CHECK-START: int Main.$noinline$intUnnecessaryShiftMasking(int, int) instruction_simplifier (after) 1846 /// CHECK: <<Value:i\d+>> ParameterValue 1847 /// CHECK: <<Shift:i\d+>> ParameterValue 1848 /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Value>>,<<Shift>>] 1849 /// CHECK-DAG: Return [<<Shl>>] 1850 1851 public static int $noinline$intUnnecessaryShiftMasking(int value, int shift) { 1852 return value << (shift & 31); 1853 } 1854 1855 /// CHECK-START: long Main.$noinline$longUnnecessaryShiftMasking(long, int) instruction_simplifier (before) 1856 /// CHECK: <<Value:j\d+>> ParameterValue 1857 /// CHECK: <<Shift:i\d+>> ParameterValue 1858 /// CHECK-DAG: <<Const63:i\d+>> IntConstant 63 1859 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const63>>] 1860 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Value>>,<<And>>] 1861 /// CHECK-DAG: Return [<<Shr>>] 1862 1863 /// CHECK-START: long Main.$noinline$longUnnecessaryShiftMasking(long, int) instruction_simplifier (after) 1864 /// CHECK: <<Value:j\d+>> ParameterValue 1865 /// CHECK: <<Shift:i\d+>> ParameterValue 1866 /// CHECK-DAG: <<Shr:j\d+>> Shr [<<Value>>,<<Shift>>] 1867 /// CHECK-DAG: Return [<<Shr>>] 1868 1869 public static long $noinline$longUnnecessaryShiftMasking(long value, int shift) { 1870 return value >> (shift & 63); 1871 } 1872 1873 /// CHECK-START: int Main.$noinline$intUnnecessaryWiderShiftMasking(int, int) instruction_simplifier (before) 1874 /// CHECK: <<Value:i\d+>> ParameterValue 1875 /// CHECK: <<Shift:i\d+>> ParameterValue 1876 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 1877 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const255>>] 1878 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Value>>,<<And>>] 1879 /// CHECK-DAG: Return [<<UShr>>] 1880 1881 /// CHECK-START: int Main.$noinline$intUnnecessaryWiderShiftMasking(int, int) instruction_simplifier (after) 1882 /// CHECK: <<Value:i\d+>> ParameterValue 1883 /// CHECK: <<Shift:i\d+>> ParameterValue 1884 /// CHECK-DAG: <<UShr:i\d+>> UShr [<<Value>>,<<Shift>>] 1885 /// CHECK-DAG: Return [<<UShr>>] 1886 1887 public static int $noinline$intUnnecessaryWiderShiftMasking(int value, int shift) { 1888 return value >>> (shift & 0xff); 1889 } 1890 1891 /// CHECK-START: long Main.$noinline$longSmallerShiftMasking(long, int) instruction_simplifier (before) 1892 /// CHECK: <<Value:j\d+>> ParameterValue 1893 /// CHECK: <<Shift:i\d+>> ParameterValue 1894 /// CHECK-DAG: <<Const3:i\d+>> IntConstant 3 1895 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const3>>] 1896 /// CHECK-DAG: <<Shl:j\d+>> Shl [<<Value>>,<<And>>] 1897 /// CHECK-DAG: Return [<<Shl>>] 1898 1899 /// CHECK-START: long Main.$noinline$longSmallerShiftMasking(long, int) instruction_simplifier (after) 1900 /// CHECK: <<Value:j\d+>> ParameterValue 1901 /// CHECK: <<Shift:i\d+>> ParameterValue 1902 /// CHECK-DAG: <<Const3:i\d+>> IntConstant 3 1903 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const3>>] 1904 /// CHECK-DAG: <<Shl:j\d+>> Shl [<<Value>>,<<And>>] 1905 /// CHECK-DAG: Return [<<Shl>>] 1906 1907 public static long $noinline$longSmallerShiftMasking(long value, int shift) { 1908 return value << (shift & 3); 1909 } 1910 1911 /// CHECK-START: int Main.$noinline$otherUseOfUnnecessaryShiftMasking(int, int) instruction_simplifier (before) 1912 /// CHECK: <<Value:i\d+>> ParameterValue 1913 /// CHECK: <<Shift:i\d+>> ParameterValue 1914 /// CHECK-DAG: <<Const31:i\d+>> IntConstant 31 1915 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const31>>] 1916 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Value>>,<<And>>] 1917 /// CHECK-DAG: <<Add:i\d+>> Add [<<Shr>>,<<And>>] 1918 /// CHECK-DAG: Return [<<Add>>] 1919 1920 /// CHECK-START: int Main.$noinline$otherUseOfUnnecessaryShiftMasking(int, int) instruction_simplifier (after) 1921 /// CHECK: <<Value:i\d+>> ParameterValue 1922 /// CHECK: <<Shift:i\d+>> ParameterValue 1923 /// CHECK-DAG: <<Const31:i\d+>> IntConstant 31 1924 /// CHECK-DAG: <<And:i\d+>> And [<<Shift>>,<<Const31>>] 1925 /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Value>>,<<Shift>>] 1926 /// CHECK-DAG: <<Add:i\d+>> Add [<<Shr>>,<<And>>] 1927 /// CHECK-DAG: Return [<<Add>>] 1928 1929 public static int $noinline$otherUseOfUnnecessaryShiftMasking(int value, int shift) { 1930 int temp = shift & 31; 1931 return (value >> temp) + temp; 1932 } 1933 1934 /// CHECK-START: int Main.$noinline$intUnnecessaryShiftModifications(int, int) instruction_simplifier (before) 1935 /// CHECK: <<Value:i\d+>> ParameterValue 1936 /// CHECK: <<Shift:i\d+>> ParameterValue 1937 /// CHECK-DAG: <<Const32:i\d+>> IntConstant 32 1938 /// CHECK-DAG: <<Const64:i\d+>> IntConstant 64 1939 /// CHECK-DAG: <<Const96:i\d+>> IntConstant 96 1940 /// CHECK-DAG: <<Const128:i\d+>> IntConstant 128 1941 /// CHECK-DAG: <<Or:i\d+>> Or [<<Shift>>,<<Const32>>] 1942 /// CHECK-DAG: <<Xor:i\d+>> Xor [<<Shift>>,<<Const64>>] 1943 /// CHECK-DAG: <<Add:i\d+>> Add [<<Shift>>,<<Const96>>] 1944 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Shift>>,<<Const128>>] 1945 /// CHECK-DAG: <<Conv:b\d+>> TypeConversion [<<Shift>>] 1946 /// CHECK-DAG: Shl [<<Value>>,<<Or>>] 1947 /// CHECK-DAG: Shr [<<Value>>,<<Xor>>] 1948 /// CHECK-DAG: UShr [<<Value>>,<<Add>>] 1949 /// CHECK-DAG: Shl [<<Value>>,<<Sub>>] 1950 /// CHECK-DAG: Shr [<<Value>>,<<Conv>>] 1951 1952 /// CHECK-START: int Main.$noinline$intUnnecessaryShiftModifications(int, int) instruction_simplifier (after) 1953 /// CHECK: <<Value:i\d+>> ParameterValue 1954 /// CHECK: <<Shift:i\d+>> ParameterValue 1955 /// CHECK-DAG: Shl [<<Value>>,<<Shift>>] 1956 /// CHECK-DAG: Shr [<<Value>>,<<Shift>>] 1957 /// CHECK-DAG: UShr [<<Value>>,<<Shift>>] 1958 /// CHECK-DAG: Shl [<<Value>>,<<Shift>>] 1959 /// CHECK-DAG: Shr [<<Value>>,<<Shift>>] 1960 1961 public static int $noinline$intUnnecessaryShiftModifications(int value, int shift) { 1962 int c128 = 128; 1963 return (value << (shift | 32)) + 1964 (value >> (shift ^ 64)) + 1965 (value >>> (shift + 96)) + 1966 (value << (shift - c128)) + // Needs a named constant to generate Sub. 1967 (value >> ((byte) shift)); 1968 } 1969 1970 /// CHECK-START: int Main.$noinline$intNecessaryShiftModifications(int, int) instruction_simplifier (before) 1971 /// CHECK: <<Value:i\d+>> ParameterValue 1972 /// CHECK: <<Shift:i\d+>> ParameterValue 1973 /// CHECK-DAG: <<Const33:i\d+>> IntConstant 33 1974 /// CHECK-DAG: <<Const65:i\d+>> IntConstant 65 1975 /// CHECK-DAG: <<Const97:i\d+>> IntConstant 97 1976 /// CHECK-DAG: <<Const129:i\d+>> IntConstant 129 1977 /// CHECK-DAG: <<Or:i\d+>> Or [<<Shift>>,<<Const33>>] 1978 /// CHECK-DAG: <<Xor:i\d+>> Xor [<<Shift>>,<<Const65>>] 1979 /// CHECK-DAG: <<Add:i\d+>> Add [<<Shift>>,<<Const97>>] 1980 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Shift>>,<<Const129>>] 1981 /// CHECK-DAG: Shl [<<Value>>,<<Or>>] 1982 /// CHECK-DAG: Shr [<<Value>>,<<Xor>>] 1983 /// CHECK-DAG: UShr [<<Value>>,<<Add>>] 1984 /// CHECK-DAG: Shl [<<Value>>,<<Sub>>] 1985 1986 /// CHECK-START: int Main.$noinline$intNecessaryShiftModifications(int, int) instruction_simplifier (after) 1987 /// CHECK: <<Value:i\d+>> ParameterValue 1988 /// CHECK: <<Shift:i\d+>> ParameterValue 1989 /// CHECK-DAG: <<Const33:i\d+>> IntConstant 33 1990 /// CHECK-DAG: <<Const65:i\d+>> IntConstant 65 1991 /// CHECK-DAG: <<Const97:i\d+>> IntConstant 97 1992 /// CHECK-DAG: <<Const129:i\d+>> IntConstant 129 1993 /// CHECK-DAG: <<Or:i\d+>> Or [<<Shift>>,<<Const33>>] 1994 /// CHECK-DAG: <<Xor:i\d+>> Xor [<<Shift>>,<<Const65>>] 1995 /// CHECK-DAG: <<Add:i\d+>> Add [<<Shift>>,<<Const97>>] 1996 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Shift>>,<<Const129>>] 1997 /// CHECK-DAG: Shl [<<Value>>,<<Or>>] 1998 /// CHECK-DAG: Shr [<<Value>>,<<Xor>>] 1999 /// CHECK-DAG: UShr [<<Value>>,<<Add>>] 2000 /// CHECK-DAG: Shl [<<Value>>,<<Sub>>] 2001 2002 public static int $noinline$intNecessaryShiftModifications(int value, int shift) { 2003 int c129 = 129; 2004 return (value << (shift | 33)) + 2005 (value >> (shift ^ 65)) + 2006 (value >>> (shift + 97)) + 2007 (value << (shift - c129)); // Needs a named constant to generate Sub. 2008 } 2009 2010 /// CHECK-START: int Main.$noinline$intAddSubSimplifyArg1(int, int) instruction_simplifier (before) 2011 /// CHECK: <<X:i\d+>> ParameterValue 2012 /// CHECK: <<Y:i\d+>> ParameterValue 2013 /// CHECK-DAG: <<Sum:i\d+>> Add [<<X>>,<<Y>>] 2014 /// CHECK-DAG: <<Res:i\d+>> Sub [<<Sum>>,<<X>>] 2015 /// CHECK-DAG: Return [<<Res>>] 2016 2017 /// CHECK-START: int Main.$noinline$intAddSubSimplifyArg1(int, int) instruction_simplifier (after) 2018 /// CHECK: <<X:i\d+>> ParameterValue 2019 /// CHECK: <<Y:i\d+>> ParameterValue 2020 /// CHECK-DAG: <<Sum:i\d+>> Add [<<X>>,<<Y>>] 2021 /// CHECK-DAG: Return [<<Y>>] 2022 2023 public static int $noinline$intAddSubSimplifyArg1(int x, int y) { 2024 int sum = x + y; 2025 return sum - x; 2026 } 2027 2028 /// CHECK-START: int Main.$noinline$intAddSubSimplifyArg2(int, int) instruction_simplifier (before) 2029 /// CHECK: <<X:i\d+>> ParameterValue 2030 /// CHECK: <<Y:i\d+>> ParameterValue 2031 /// CHECK-DAG: <<Sum:i\d+>> Add [<<X>>,<<Y>>] 2032 /// CHECK-DAG: <<Res:i\d+>> Sub [<<Sum>>,<<Y>>] 2033 /// CHECK-DAG: Return [<<Res>>] 2034 2035 /// CHECK-START: int Main.$noinline$intAddSubSimplifyArg2(int, int) instruction_simplifier (after) 2036 /// CHECK: <<X:i\d+>> ParameterValue 2037 /// CHECK: <<Y:i\d+>> ParameterValue 2038 /// CHECK-DAG: <<Sum:i\d+>> Add [<<X>>,<<Y>>] 2039 /// CHECK-DAG: Return [<<X>>] 2040 2041 public static int $noinline$intAddSubSimplifyArg2(int x, int y) { 2042 int sum = x + y; 2043 return sum - y; 2044 } 2045 2046 /// CHECK-START: int Main.$noinline$intSubAddSimplifyLeft(int, int) instruction_simplifier (before) 2047 /// CHECK: <<X:i\d+>> ParameterValue 2048 /// CHECK: <<Y:i\d+>> ParameterValue 2049 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<X>>,<<Y>>] 2050 /// CHECK-DAG: <<Res:i\d+>> Add [<<Sub>>,<<Y>>] 2051 /// CHECK-DAG: Return [<<Res>>] 2052 2053 /// CHECK-START: int Main.$noinline$intSubAddSimplifyLeft(int, int) instruction_simplifier (after) 2054 /// CHECK: <<X:i\d+>> ParameterValue 2055 /// CHECK: <<Y:i\d+>> ParameterValue 2056 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<X>>,<<Y>>] 2057 /// CHECK-DAG: Return [<<X>>] 2058 2059 public static int $noinline$intSubAddSimplifyLeft(int x, int y) { 2060 int sub = x - y; 2061 return sub + y; 2062 } 2063 2064 /// CHECK-START: int Main.$noinline$intSubAddSimplifyRight(int, int) instruction_simplifier (before) 2065 /// CHECK: <<X:i\d+>> ParameterValue 2066 /// CHECK: <<Y:i\d+>> ParameterValue 2067 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<X>>,<<Y>>] 2068 /// CHECK-DAG: <<Res:i\d+>> Add [<<Y>>,<<Sub>>] 2069 /// CHECK-DAG: Return [<<Res>>] 2070 2071 /// CHECK-START: int Main.$noinline$intSubAddSimplifyRight(int, int) instruction_simplifier (after) 2072 /// CHECK: <<X:i\d+>> ParameterValue 2073 /// CHECK: <<Y:i\d+>> ParameterValue 2074 /// CHECK-DAG: <<Sub:i\d+>> Sub [<<X>>,<<Y>>] 2075 /// CHECK-DAG: Return [<<X>>] 2076 2077 public static int $noinline$intSubAddSimplifyRight(int x, int y) { 2078 int sub = x - y; 2079 return y + sub; 2080 } 2081 2082 /// CHECK-START: float Main.$noinline$floatAddSubSimplifyArg1(float, float) instruction_simplifier (before) 2083 /// CHECK: <<X:f\d+>> ParameterValue 2084 /// CHECK: <<Y:f\d+>> ParameterValue 2085 /// CHECK-DAG: <<Sum:f\d+>> Add [<<X>>,<<Y>>] 2086 /// CHECK-DAG: <<Res:f\d+>> Sub [<<Sum>>,<<X>>] 2087 /// CHECK-DAG: Return [<<Res>>] 2088 2089 /// CHECK-START: float Main.$noinline$floatAddSubSimplifyArg1(float, float) instruction_simplifier (after) 2090 /// CHECK: <<X:f\d+>> ParameterValue 2091 /// CHECK: <<Y:f\d+>> ParameterValue 2092 /// CHECK-DAG: <<Sum:f\d+>> Add [<<X>>,<<Y>>] 2093 /// CHECK-DAG: <<Res:f\d+>> Sub [<<Sum>>,<<X>>] 2094 /// CHECK-DAG: Return [<<Res>>] 2095 2096 public static float $noinline$floatAddSubSimplifyArg1(float x, float y) { 2097 float sum = x + y; 2098 return sum - x; 2099 } 2100 2101 /// CHECK-START: float Main.$noinline$floatAddSubSimplifyArg2(float, float) instruction_simplifier (before) 2102 /// CHECK: <<X:f\d+>> ParameterValue 2103 /// CHECK: <<Y:f\d+>> ParameterValue 2104 /// CHECK-DAG: <<Sum:f\d+>> Add [<<X>>,<<Y>>] 2105 /// CHECK-DAG: <<Res:f\d+>> Sub [<<Sum>>,<<Y>>] 2106 /// CHECK-DAG: Return [<<Res>>] 2107 2108 /// CHECK-START: float Main.$noinline$floatAddSubSimplifyArg2(float, float) instruction_simplifier (after) 2109 /// CHECK: <<X:f\d+>> ParameterValue 2110 /// CHECK: <<Y:f\d+>> ParameterValue 2111 /// CHECK-DAG: <<Sum:f\d+>> Add [<<X>>,<<Y>>] 2112 /// CHECK-DAG: <<Res:f\d+>> Sub [<<Sum>>,<<Y>>] 2113 /// CHECK-DAG: Return [<<Res>>] 2114 2115 public static float $noinline$floatAddSubSimplifyArg2(float x, float y) { 2116 float sum = x + y; 2117 return sum - y; 2118 } 2119 2120 /// CHECK-START: float Main.$noinline$floatSubAddSimplifyLeft(float, float) instruction_simplifier (before) 2121 /// CHECK: <<X:f\d+>> ParameterValue 2122 /// CHECK: <<Y:f\d+>> ParameterValue 2123 /// CHECK-DAG: <<Sub:f\d+>> Sub [<<X>>,<<Y>>] 2124 /// CHECK-DAG: <<Res:f\d+>> Add [<<Sub>>,<<Y>>] 2125 /// CHECK-DAG: Return [<<Res>>] 2126 2127 /// CHECK-START: float Main.$noinline$floatSubAddSimplifyLeft(float, float) instruction_simplifier (after) 2128 /// CHECK: <<X:f\d+>> ParameterValue 2129 /// CHECK: <<Y:f\d+>> ParameterValue 2130 /// CHECK-DAG: <<Sub:f\d+>> Sub [<<X>>,<<Y>>] 2131 /// CHECK-DAG: <<Res:f\d+>> Add [<<Sub>>,<<Y>>] 2132 /// CHECK-DAG: Return [<<Res>>] 2133 2134 public static float $noinline$floatSubAddSimplifyLeft(float x, float y) { 2135 float sub = x - y; 2136 return sub + y; 2137 } 2138 2139 /// CHECK-START: float Main.$noinline$floatSubAddSimplifyRight(float, float) instruction_simplifier (before) 2140 /// CHECK: <<X:f\d+>> ParameterValue 2141 /// CHECK: <<Y:f\d+>> ParameterValue 2142 /// CHECK-DAG: <<Sub:f\d+>> Sub [<<X>>,<<Y>>] 2143 /// CHECK-DAG: <<Res:f\d+>> Add [<<Y>>,<<Sub>>] 2144 /// CHECK-DAG: Return [<<Res>>] 2145 2146 /// CHECK-START: float Main.$noinline$floatSubAddSimplifyRight(float, float) instruction_simplifier (after) 2147 /// CHECK: <<X:f\d+>> ParameterValue 2148 /// CHECK: <<Y:f\d+>> ParameterValue 2149 /// CHECK-DAG: <<Sub:f\d+>> Sub [<<X>>,<<Y>>] 2150 /// CHECK-DAG: <<Res:f\d+>> Add [<<Y>>,<<Sub>>] 2151 /// CHECK-DAG: Return [<<Res>>] 2152 2153 public static float $noinline$floatSubAddSimplifyRight(float x, float y) { 2154 float sub = x - y; 2155 return y + sub; 2156 } 2157 2158 /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteField(Main) instruction_simplifier (before) 2159 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 2160 /// CHECK-DAG: <<Get:b\d+>> InstanceFieldGet 2161 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] 2162 /// CHECK-DAG: Return [<<And>>] 2163 2164 /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteField(Main) instruction_simplifier (after) 2165 /// CHECK-DAG: <<Get:a\d+>> InstanceFieldGet 2166 /// CHECK-DAG: Return [<<Get>>] 2167 2168 /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteField(Main) instruction_simplifier (after) 2169 /// CHECK-NOT: And 2170 /// CHECK-NOT: TypeConversion 2171 public static int $noinline$getUint8FromInstanceByteField(Main m) { 2172 return m.instanceByteField & 0xff; 2173 } 2174 2175 /// CHECK-START: int Main.$noinline$getUint8FromStaticByteField() instruction_simplifier (before) 2176 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 2177 /// CHECK-DAG: <<Get:b\d+>> StaticFieldGet 2178 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] 2179 /// CHECK-DAG: Return [<<And>>] 2180 2181 /// CHECK-START: int Main.$noinline$getUint8FromStaticByteField() instruction_simplifier (after) 2182 /// CHECK-DAG: <<Get:a\d+>> StaticFieldGet 2183 /// CHECK-DAG: Return [<<Get>>] 2184 2185 /// CHECK-START: int Main.$noinline$getUint8FromStaticByteField() instruction_simplifier (after) 2186 /// CHECK-NOT: And 2187 /// CHECK-NOT: TypeConversion 2188 public static int $noinline$getUint8FromStaticByteField() { 2189 return staticByteField & 0xff; 2190 } 2191 2192 /// CHECK-START: int Main.$noinline$getUint8FromByteArray(byte[]) instruction_simplifier (before) 2193 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 2194 /// CHECK-DAG: <<Get:b\d+>> ArrayGet 2195 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] 2196 /// CHECK-DAG: Return [<<And>>] 2197 2198 /// CHECK-START: int Main.$noinline$getUint8FromByteArray(byte[]) instruction_simplifier (after) 2199 /// CHECK-DAG: <<Get:a\d+>> ArrayGet 2200 /// CHECK-DAG: Return [<<Get>>] 2201 2202 /// CHECK-START: int Main.$noinline$getUint8FromByteArray(byte[]) instruction_simplifier (after) 2203 /// CHECK-NOT: And 2204 /// CHECK-NOT: TypeConversion 2205 public static int $noinline$getUint8FromByteArray(byte[] a) { 2206 return a[0] & 0xff; 2207 } 2208 2209 /// CHECK-START: int Main.$noinline$getUint16FromInstanceShortField(Main) instruction_simplifier (before) 2210 /// CHECK-DAG: <<Cst65535:i\d+>> IntConstant 65535 2211 /// CHECK-DAG: <<Get:s\d+>> InstanceFieldGet 2212 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Cst65535>>] 2213 /// CHECK-DAG: Return [<<And>>] 2214 2215 /// CHECK-START: int Main.$noinline$getUint16FromInstanceShortField(Main) instruction_simplifier (after) 2216 /// CHECK-DAG: <<Get:c\d+>> InstanceFieldGet 2217 /// CHECK-DAG: Return [<<Get>>] 2218 2219 /// CHECK-START: int Main.$noinline$getUint16FromInstanceShortField(Main) instruction_simplifier (after) 2220 /// CHECK-NOT: And 2221 /// CHECK-NOT: TypeConversion 2222 public static int $noinline$getUint16FromInstanceShortField(Main m) { 2223 return m.instanceShortField & 0xffff; 2224 } 2225 2226 /// CHECK-START: int Main.$noinline$getUint16FromStaticShortField() instruction_simplifier (before) 2227 /// CHECK-DAG: <<Cst65535:i\d+>> IntConstant 65535 2228 /// CHECK-DAG: <<Get:s\d+>> StaticFieldGet 2229 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Cst65535>>] 2230 /// CHECK-DAG: Return [<<And>>] 2231 2232 /// CHECK-START: int Main.$noinline$getUint16FromStaticShortField() instruction_simplifier (after) 2233 /// CHECK-DAG: <<Get:c\d+>> StaticFieldGet 2234 /// CHECK-DAG: Return [<<Get>>] 2235 2236 /// CHECK-START: int Main.$noinline$getUint16FromStaticShortField() instruction_simplifier (after) 2237 /// CHECK-NOT: And 2238 /// CHECK-NOT: TypeConversion 2239 public static int $noinline$getUint16FromStaticShortField() { 2240 return staticShortField & 0xffff; 2241 } 2242 2243 /// CHECK-START: int Main.$noinline$getUint16FromShortArray(short[]) instruction_simplifier (before) 2244 /// CHECK-DAG: <<Cst65535:i\d+>> IntConstant 65535 2245 /// CHECK-DAG: <<Get:s\d+>> ArrayGet 2246 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Cst65535>>] 2247 /// CHECK-DAG: Return [<<And>>] 2248 2249 /// CHECK-START: int Main.$noinline$getUint16FromShortArray(short[]) instruction_simplifier (after) 2250 /// CHECK-DAG: <<Get:c\d+>> ArrayGet 2251 /// CHECK-DAG: Return [<<Get>>] 2252 2253 /// CHECK-START: int Main.$noinline$getUint16FromShortArray(short[]) instruction_simplifier (after) 2254 /// CHECK-NOT: And 2255 /// CHECK-NOT: TypeConversion 2256 public static int $noinline$getUint16FromShortArray(short[] a) { 2257 return a[0] & 0xffff; 2258 } 2259 2260 /// CHECK-START: int Main.$noinline$getInt16FromInstanceCharField(Main) instruction_simplifier (before) 2261 /// CHECK-DAG: <<Get:c\d+>> InstanceFieldGet 2262 /// CHECK-DAG: <<Conv:s\d+>> TypeConversion [<<Get>>] 2263 /// CHECK-DAG: Return [<<Conv>>] 2264 2265 /// CHECK-START: int Main.$noinline$getInt16FromInstanceCharField(Main) instruction_simplifier (after) 2266 /// CHECK-DAG: <<Get:s\d+>> InstanceFieldGet 2267 /// CHECK-DAG: Return [<<Get>>] 2268 2269 /// CHECK-START: int Main.$noinline$getInt16FromInstanceCharField(Main) instruction_simplifier (after) 2270 /// CHECK-NOT: And 2271 /// CHECK-NOT: TypeConversion 2272 public static int $noinline$getInt16FromInstanceCharField(Main m) { 2273 return (short) m.instanceCharField; 2274 } 2275 2276 /// CHECK-START: int Main.$noinline$getInt16FromStaticCharField() instruction_simplifier (before) 2277 /// CHECK-DAG: <<Get:c\d+>> StaticFieldGet 2278 /// CHECK-DAG: <<Conv:s\d+>> TypeConversion [<<Get>>] 2279 /// CHECK-DAG: Return [<<Conv>>] 2280 2281 /// CHECK-START: int Main.$noinline$getInt16FromStaticCharField() instruction_simplifier (after) 2282 /// CHECK-DAG: <<Get:s\d+>> StaticFieldGet 2283 /// CHECK-DAG: Return [<<Get>>] 2284 2285 /// CHECK-START: int Main.$noinline$getInt16FromStaticCharField() instruction_simplifier (after) 2286 /// CHECK-NOT: And 2287 /// CHECK-NOT: TypeConversion 2288 public static int $noinline$getInt16FromStaticCharField() { 2289 return (short) staticCharField; 2290 } 2291 2292 /// CHECK-START: int Main.$noinline$getInt16FromCharArray(char[]) instruction_simplifier (before) 2293 /// CHECK-DAG: <<Get:c\d+>> ArrayGet 2294 /// CHECK-DAG: <<Conv:s\d+>> TypeConversion [<<Get>>] 2295 /// CHECK-DAG: Return [<<Conv>>] 2296 2297 /// CHECK-START: int Main.$noinline$getInt16FromCharArray(char[]) instruction_simplifier (after) 2298 /// CHECK-DAG: <<Get:s\d+>> ArrayGet 2299 /// CHECK-DAG: Return [<<Get>>] 2300 2301 /// CHECK-START: int Main.$noinline$getInt16FromCharArray(char[]) instruction_simplifier (after) 2302 /// CHECK-NOT: And 2303 /// CHECK-NOT: TypeConversion 2304 public static int $noinline$getInt16FromCharArray(char[] a) { 2305 return (short) a[0]; 2306 } 2307 2308 /// CHECK-START: int Main.$noinline$byteToUint8AndBack() instruction_simplifier (before) 2309 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 2310 /// CHECK-DAG: <<Get:b\d+>> StaticFieldGet 2311 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] 2312 /// CHECK-DAG: <<Invoke:i\d+>> InvokeStaticOrDirect [<<And>>{{(,[ij]\d+)?}}] 2313 /// CHECK-DAG: Return [<<Invoke>>] 2314 2315 /// CHECK-START: int Main.$noinline$byteToUint8AndBack() instruction_simplifier (after) 2316 /// CHECK-DAG: <<Get:a\d+>> StaticFieldGet 2317 /// CHECK-DAG: <<Invoke:i\d+>> InvokeStaticOrDirect [<<Get>>{{(,[ij]\d+)?}}] 2318 /// CHECK-DAG: Return [<<Invoke>>] 2319 2320 /// CHECK-START: int Main.$noinline$byteToUint8AndBack() instruction_simplifier$after_inlining (before) 2321 /// CHECK-DAG: <<Get:a\d+>> StaticFieldGet 2322 /// CHECK-DAG: <<Conv:b\d+>> TypeConversion [<<Get>>] 2323 /// CHECK-DAG: Return [<<Conv>>] 2324 2325 /// CHECK-START: int Main.$noinline$byteToUint8AndBack() instruction_simplifier$after_inlining (after) 2326 /// CHECK-DAG: <<Get:b\d+>> StaticFieldGet 2327 /// CHECK-DAG: Return [<<Get>>] 2328 public static int $noinline$byteToUint8AndBack() { 2329 return $inline$toByte(staticByteField & 0xff); 2330 } 2331 2332 public static int $inline$toByte(int value) { 2333 return (byte) value; 2334 } 2335 2336 /// CHECK-START: int Main.$noinline$getStaticCharFieldAnd0xff() instruction_simplifier (before) 2337 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 2338 /// CHECK-DAG: <<Get:c\d+>> StaticFieldGet 2339 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] 2340 /// CHECK-DAG: Return [<<And>>] 2341 2342 /// CHECK-START: int Main.$noinline$getStaticCharFieldAnd0xff() instruction_simplifier (after) 2343 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 2344 /// CHECK-DAG: <<Get:c\d+>> StaticFieldGet 2345 /// CHECK-DAG: <<Cnv:a\d+>> TypeConversion [<<Get>>] 2346 /// CHECK-DAG: Return [<<Cnv>>] 2347 2348 /// CHECK-START: int Main.$noinline$getStaticCharFieldAnd0xff() instruction_simplifier (after) 2349 /// CHECK-NOT: {{a\d+}} StaticFieldGet 2350 public static int $noinline$getStaticCharFieldAnd0xff() { 2351 return staticCharField & 0xff; 2352 } 2353 2354 /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteFieldWithAnotherUse(Main) instruction_simplifier (before) 2355 /// CHECK-DAG: <<Const8:i\d+>> IntConstant 8 2356 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 2357 /// CHECK-DAG: <<Get:b\d+>> InstanceFieldGet 2358 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Const255>>] 2359 /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Get>>,<<Const8>>] 2360 /// CHECK-DAG: <<Add:i\d+>> Add [<<And>>,<<Shl>>] 2361 /// CHECK-DAG: Return [<<Add>>] 2362 2363 /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteFieldWithAnotherUse(Main) instruction_simplifier (after) 2364 /// CHECK-DAG: <<Const8:i\d+>> IntConstant 8 2365 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 2366 /// CHECK-DAG: <<Get:b\d+>> InstanceFieldGet 2367 /// CHECK-DAG: <<Cnv:a\d+>> TypeConversion [<<Get>>] 2368 /// CHECK-DAG: <<Shl:i\d+>> Shl [<<Get>>,<<Const8>>] 2369 /// CHECK-DAG: <<Add:i\d+>> Add [<<Cnv>>,<<Shl>>] 2370 /// CHECK-DAG: Return [<<Add>>] 2371 2372 /// CHECK-START: int Main.$noinline$getUint8FromInstanceByteFieldWithAnotherUse(Main) instruction_simplifier (after) 2373 /// CHECK-NOT: {{a\d+}} InstanceFieldGet 2374 public static int $noinline$getUint8FromInstanceByteFieldWithAnotherUse(Main m) { 2375 byte b = m.instanceByteField; 2376 int v1 = b & 0xff; 2377 int v2 = (b << 8); 2378 return v1 + v2; 2379 } 2380 2381 /// CHECK-START: int Main.$noinline$intAnd0xffToChar(int) instruction_simplifier (before) 2382 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 2383 /// CHECK-DAG: <<Const255:i\d+>> IntConstant 255 2384 /// CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<Const255>>] 2385 /// CHECK-DAG: <<Conv:c\d+>> TypeConversion [<<And>>] 2386 /// CHECK-DAG: Return [<<Conv>>] 2387 2388 /// CHECK-START: int Main.$noinline$intAnd0xffToChar(int) instruction_simplifier (after) 2389 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 2390 /// CHECK-DAG: <<Conv:a\d+>> TypeConversion [<<Arg>>] 2391 /// CHECK-DAG: Return [<<Conv>>] 2392 public static int $noinline$intAnd0xffToChar(int value) { 2393 return (char) (value & 0xff); 2394 } 2395 2396 /// CHECK-START: int Main.$noinline$intAnd0x1ffToChar(int) instruction_simplifier (before) 2397 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 2398 /// CHECK-DAG: <<Const511:i\d+>> IntConstant 511 2399 /// CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<Const511>>] 2400 /// CHECK-DAG: <<Conv:c\d+>> TypeConversion [<<And>>] 2401 /// CHECK-DAG: Return [<<Conv>>] 2402 2403 // TODO: Simplify this. Unlike the $noinline$intAnd0xffToChar(), the TypeConversion 2404 // to `char` is not eliminated despite the result of the And being within the `char` range. 2405 2406 // CHECK-START: int Main.$noinline$intAnd0x1ffToChar(int) instruction_simplifier (after) 2407 // CHECK-DAG: <<Arg:i\d+>> ParameterValue 2408 // CHECK-DAG: <<Const511:i\d+>> IntConstant 511 2409 // CHECK-DAG: <<And:i\d+>> And [<<Arg>>,<<Const511>>] 2410 // CHECK-DAG: Return [<<And>>] 2411 public static int $noinline$intAnd0x1ffToChar(int value) { 2412 return (char) (value & 0x1ff); 2413 } 2414 2415 /// CHECK-START: int Main.$noinline$getInstanceCharFieldAnd0x1ffff(Main) instruction_simplifier (before) 2416 /// CHECK-DAG: <<Cst1ffff:i\d+>> IntConstant 131071 2417 /// CHECK-DAG: <<Get:c\d+>> InstanceFieldGet 2418 /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<Cst1ffff>>] 2419 /// CHECK-DAG: Return [<<And>>] 2420 2421 /// CHECK-START: int Main.$noinline$getInstanceCharFieldAnd0x1ffff(Main) instruction_simplifier (after) 2422 /// CHECK-DAG: <<Get:c\d+>> InstanceFieldGet 2423 /// CHECK-DAG: Return [<<Get>>] 2424 public static int $noinline$getInstanceCharFieldAnd0x1ffff(Main m) { 2425 return m.instanceCharField & 0x1ffff; 2426 } 2427 2428 /// CHECK-START: int Main.$noinline$bug68142795Byte(byte) instruction_simplifier (before) 2429 /// CHECK-DAG: <<Arg:b\d+>> ParameterValue 2430 /// CHECK-DAG: <<Const:i\d+>> IntConstant 255 2431 /// CHECK-DAG: <<And1:i\d+>> And [<<Arg>>,<<Const>>] 2432 /// CHECK-DAG: <<And2:i\d+>> And [<<And1>>,<<Const>>] 2433 /// CHECK-DAG: <<Conv:b\d+>> TypeConversion [<<And2>>] 2434 /// CHECK-DAG: Return [<<Conv>>] 2435 2436 /// CHECK-START: int Main.$noinline$bug68142795Byte(byte) instruction_simplifier (after) 2437 /// CHECK-DAG: <<Arg:b\d+>> ParameterValue 2438 /// CHECK-DAG: Return [<<Arg>>] 2439 public static int $noinline$bug68142795Byte(byte b) { 2440 return (byte)(0xff & (b & 0xff)); 2441 } 2442 2443 /// CHECK-START: int Main.$noinline$bug68142795Elaborate(byte) instruction_simplifier (before) 2444 /// CHECK-DAG: <<Arg:b\d+>> ParameterValue 2445 /// CHECK-DAG: <<Int255:i\d+>> IntConstant 255 2446 /// CHECK-DAG: <<Long255:j\d+>> LongConstant 255 2447 /// CHECK-DAG: <<And1:i\d+>> And [<<Arg>>,<<Int255>>] 2448 /// CHECK-DAG: <<Conv1:j\d+>> TypeConversion [<<And1>>] 2449 /// CHECK-DAG: <<And2:j\d+>> And [<<Conv1>>,<<Long255>>] 2450 /// CHECK-DAG: <<Conv2:i\d+>> TypeConversion [<<And2>>] 2451 /// CHECK-DAG: <<Conv3:b\d+>> TypeConversion [<<Conv2>>] 2452 /// CHECK-DAG: Return [<<Conv3>>] 2453 2454 /// CHECK-START: int Main.$noinline$bug68142795Elaborate(byte) instruction_simplifier (after) 2455 /// CHECK-DAG: <<Arg:b\d+>> ParameterValue 2456 /// CHECK-DAG: Return [<<Arg>>] 2457 public static int $noinline$bug68142795Elaborate(byte b) { 2458 return (byte)((int)(((long)(b & 0xff)) & 255L)); 2459 } 2460 2461 /// CHECK-START: int Main.$noinline$emptyStringIndexOf(int) instruction_simplifier (before) 2462 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 2463 /// CHECK-DAG: <<Empty:l\d+>> LoadString 2464 /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg>>] intrinsic:StringIndexOf 2465 /// CHECK-DAG: Return [<<Equals>>] 2466 2467 /// CHECK-START: int Main.$noinline$emptyStringIndexOf(int) instruction_simplifier (after) 2468 /// CHECK-NOT: InvokeVirtual 2469 2470 /// CHECK-START: int Main.$noinline$emptyStringIndexOf(int) instruction_simplifier (after) 2471 /// CHECK-DAG: <<Minus1:i\d+>> IntConstant -1 2472 /// CHECK-DAG: Return [<<Minus1>>] 2473 public static int $noinline$emptyStringIndexOf(int ch) { 2474 return "".indexOf(ch); 2475 } 2476 2477 /// CHECK-START: int Main.$noinline$emptyStringIndexOfAfter(int, int) instruction_simplifier (before) 2478 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 2479 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 2480 /// CHECK-DAG: <<Empty:l\d+>> LoadString 2481 /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg1>>,<<Arg2>>] intrinsic:StringIndexOfAfter 2482 /// CHECK-DAG: Return [<<Equals>>] 2483 2484 /// CHECK-START: int Main.$noinline$emptyStringIndexOfAfter(int, int) instruction_simplifier (after) 2485 /// CHECK-NOT: InvokeVirtual 2486 2487 /// CHECK-START: int Main.$noinline$emptyStringIndexOfAfter(int, int) instruction_simplifier (after) 2488 /// CHECK-DAG: <<Minus1:i\d+>> IntConstant -1 2489 /// CHECK-DAG: Return [<<Minus1>>] 2490 public static int $noinline$emptyStringIndexOfAfter(int ch, int fromIndex) { 2491 return "".indexOf(ch, fromIndex); 2492 } 2493 2494 /// CHECK-START: int Main.$noinline$singleCharStringIndexOf(int) instruction_simplifier (before) 2495 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 2496 /// CHECK-DAG: <<Empty:l\d+>> LoadString 2497 /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg>>] intrinsic:StringIndexOf 2498 /// CHECK-DAG: Return [<<Equals>>] 2499 2500 /// CHECK-START: int Main.$noinline$singleCharStringIndexOf(int) instruction_simplifier (after) 2501 /// CHECK-NOT: InvokeVirtual 2502 2503 /// CHECK-START: int Main.$noinline$singleCharStringIndexOf(int) instruction_simplifier (after) 2504 /// CHECK-DAG: <<Arg:i\d+>> ParameterValue 2505 /// CHECK-DAG: <<x:i\d+>> IntConstant 120 2506 /// CHECK-DAG: <<Zero:i\d+>> IntConstant 0 2507 /// CHECK-DAG: <<Minus1:i\d+>> IntConstant -1 2508 /// CHECK-DAG: <<Eq:z\d+>> Equal [<<Arg>>,<<x>>] 2509 /// CHECK-DAG: <<Select:i\d+>> Select [<<Minus1>>,<<Zero>>,<<Eq>>] 2510 /// CHECK-DAG: Return [<<Select>>] 2511 public static int $noinline$singleCharStringIndexOf(int ch) { 2512 return "x".indexOf(ch); 2513 } 2514 2515 /// CHECK-START: int Main.$noinline$singleCharStringIndexOfAfter(int, int) instruction_simplifier (before) 2516 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 2517 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 2518 /// CHECK-DAG: <<Empty:l\d+>> LoadString 2519 /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg1>>,<<Arg2>>] intrinsic:StringIndexOfAfter 2520 /// CHECK-DAG: Return [<<Equals>>] 2521 2522 /// CHECK-START: int Main.$noinline$singleCharStringIndexOfAfter(int, int) instruction_simplifier (after) 2523 /// CHECK-DAG: <<Arg1:i\d+>> ParameterValue 2524 /// CHECK-DAG: <<Arg2:i\d+>> ParameterValue 2525 /// CHECK-DAG: <<Empty:l\d+>> LoadString 2526 /// CHECK-DAG: <<Equals:i\d+>> InvokeVirtual [<<Empty>>,<<Arg1>>,<<Arg2>>] intrinsic:StringIndexOfAfter 2527 /// CHECK-DAG: Return [<<Equals>>] 2528 public static int $noinline$singleCharStringIndexOfAfter(int ch, int fromIndex) { 2529 return "x".indexOf(ch, fromIndex); // Not simplified. 2530 } 2531 2532 public static void main(String[] args) throws Exception { 2533 Class smaliTests2 = Class.forName("SmaliTests2"); 2534 Method $noinline$XorAllOnes = smaliTests2.getMethod("$noinline$XorAllOnes", int.class); 2535 Method $noinline$NotNot1 = smaliTests2.getMethod("$noinline$NotNot1", long.class); 2536 Method $noinline$NotNot2 = smaliTests2.getMethod("$noinline$NotNot2", int.class); 2537 Method $noinline$NotNotBool = smaliTests2.getMethod("$noinline$NotNotBool", boolean.class); 2538 Method $noinline$bug68142795Short = smaliTests2.getMethod("$noinline$bug68142795Short", short.class); 2539 Method $noinline$bug68142795Boolean = smaliTests2.getMethod("$noinline$bug68142795Boolean", boolean.class); 2540 2541 int arg = 123456; 2542 float floatArg = 123456.125f; 2543 2544 assertLongEquals(arg, $noinline$Add0(arg)); 2545 assertIntEquals(5, $noinline$AddAddSubAddConst(1)); 2546 assertIntEquals(arg, $noinline$AndAllOnes(arg)); 2547 assertLongEquals(arg, $noinline$Div1(arg)); 2548 assertIntEquals(-arg, $noinline$DivN1(arg)); 2549 assertLongEquals(arg, $noinline$Mul1(arg)); 2550 assertIntEquals(-arg, $noinline$MulN1(arg)); 2551 assertLongEquals((128 * arg), $noinline$MulPowerOfTwo128(arg)); 2552 assertLongEquals(2640, $noinline$MulMulMulConst(2)); 2553 assertIntEquals(arg, $noinline$Or0(arg)); 2554 assertLongEquals(arg, $noinline$OrSame(arg)); 2555 assertIntEquals(arg, $noinline$Shl0(arg)); 2556 assertLongEquals(arg, $noinline$Shr0(arg)); 2557 assertLongEquals(arg, $noinline$Shr64(arg)); 2558 assertLongEquals(arg, $noinline$Sub0(arg)); 2559 assertIntEquals(-arg, $noinline$SubAliasNeg(arg)); 2560 assertIntEquals(9, $noinline$SubAddConst1(2)); 2561 assertIntEquals(-2, $noinline$SubAddConst2(3)); 2562 assertLongEquals(3, $noinline$SubSubConst(4)); 2563 assertLongEquals(arg, $noinline$UShr0(arg)); 2564 assertIntEquals(arg, $noinline$Xor0(arg)); 2565 assertIntEquals(~arg, (int)$noinline$XorAllOnes.invoke(null, arg)); 2566 assertIntEquals(-(arg + arg + 1), $noinline$AddNegs1(arg, arg + 1)); 2567 assertIntEquals(-(arg + arg + 1), $noinline$AddNegs2(arg, arg + 1)); 2568 assertLongEquals(-(2 * arg + 1), $noinline$AddNegs3(arg, arg + 1)); 2569 assertLongEquals(1, $noinline$AddNeg1(arg, arg + 1)); 2570 assertLongEquals(-1, $noinline$AddNeg2(arg, arg + 1)); 2571 assertLongEquals(arg, $noinline$NegNeg1(arg)); 2572 assertIntEquals(0, $noinline$NegNeg2(arg)); 2573 assertLongEquals(arg, $noinline$NegNeg3(arg)); 2574 assertIntEquals(1, $noinline$NegSub1(arg, arg + 1)); 2575 assertIntEquals(1, $noinline$NegSub2(arg, arg + 1)); 2576 assertLongEquals(arg, (long)$noinline$NotNot1.invoke(null, arg)); 2577 assertLongEquals(arg, $noinline$runSmaliTest2Long("$noinline$NotNot1", arg)); 2578 assertIntEquals(-1, (int)$noinline$NotNot2.invoke(null, arg)); 2579 assertIntEquals(-1, $noinline$runSmaliTestInt("2", "$noinline$NotNot2", arg)); 2580 assertIntEquals(-(arg + arg + 1), $noinline$SubNeg1(arg, arg + 1)); 2581 assertIntEquals(-(arg + arg + 1), $noinline$SubNeg2(arg, arg + 1)); 2582 assertLongEquals(-(2 * arg + 1), $noinline$SubNeg3(arg, arg + 1)); 2583 assertBooleanEquals(true, $noinline$EqualBoolVsIntConst(true)); 2584 assertBooleanEquals(true, $noinline$EqualBoolVsIntConst(true)); 2585 assertBooleanEquals(false, $noinline$NotEqualBoolVsIntConst(false)); 2586 assertBooleanEquals(false, $noinline$NotEqualBoolVsIntConst(false)); 2587 assertBooleanEquals(true, (boolean)$noinline$NotNotBool.invoke(null, true)); 2588 assertBooleanEquals(true, $noinline$runSmaliTest2Boolean("$noinline$NotNotBool", true)); 2589 assertBooleanEquals(false, (boolean)$noinline$NotNotBool.invoke(null, false)); 2590 assertBooleanEquals(false, $noinline$runSmaliTest2Boolean("$noinline$NotNotBool", false)); 2591 assertFloatEquals(50.0f, $noinline$Div2(100.0f)); 2592 assertDoubleEquals(75.0, $noinline$Div2(150.0)); 2593 assertFloatEquals(-400.0f, $noinline$DivMP25(100.0f)); 2594 assertDoubleEquals(-600.0, $noinline$DivMP25(150.0)); 2595 assertIntEquals(0xc, $noinline$UShr28And15(0xc1234567)); 2596 assertLongEquals(0xcL, $noinline$UShr60And15(0xc123456787654321L)); 2597 assertIntEquals(0x4, $noinline$UShr28And7(0xc1234567)); 2598 assertLongEquals(0x4L, $noinline$UShr60And7(0xc123456787654321L)); 2599 assertIntEquals(0xc1, $noinline$Shr24And255(0xc1234567)); 2600 assertIntEquals(0x60, $noinline$Shr25And127(0xc1234567)); 2601 assertLongEquals(0xc1L, $noinline$Shr56And255(0xc123456787654321L)); 2602 assertLongEquals(0x60L, $noinline$Shr57And127(0xc123456787654321L)); 2603 assertIntEquals(0x41, $noinline$Shr24And127(0xc1234567)); 2604 assertLongEquals(0x41L, $noinline$Shr56And127(0xc123456787654321L)); 2605 assertIntEquals(0, $noinline$mulPow2Plus1(0)); 2606 assertIntEquals(9, $noinline$mulPow2Plus1(1)); 2607 assertIntEquals(18, $noinline$mulPow2Plus1(2)); 2608 assertIntEquals(900, $noinline$mulPow2Plus1(100)); 2609 assertIntEquals(111105, $noinline$mulPow2Plus1(12345)); 2610 assertLongEquals(0, $noinline$mulPow2Minus1(0)); 2611 assertLongEquals(31, $noinline$mulPow2Minus1(1)); 2612 assertLongEquals(62, $noinline$mulPow2Minus1(2)); 2613 assertLongEquals(3100, $noinline$mulPow2Minus1(100)); 2614 assertLongEquals(382695, $noinline$mulPow2Minus1(12345)); 2615 2616 booleanField = false; 2617 assertIntEquals($noinline$booleanFieldNotEqualOne(), 54); 2618 assertIntEquals($noinline$booleanFieldEqualZero(), 54); 2619 booleanField = true; 2620 assertIntEquals(13, $noinline$booleanFieldNotEqualOne()); 2621 assertIntEquals(13, $noinline$booleanFieldEqualZero()); 2622 assertIntEquals(54, $noinline$intConditionNotEqualOne(6)); 2623 assertIntEquals(13, $noinline$intConditionNotEqualOne(43)); 2624 assertIntEquals(54, $noinline$intConditionEqualZero(6)); 2625 assertIntEquals(13, $noinline$intConditionEqualZero(43)); 2626 assertIntEquals(54, $noinline$floatConditionNotEqualOne(6.0f)); 2627 assertIntEquals(13, $noinline$floatConditionNotEqualOne(43.0f)); 2628 assertIntEquals(54, $noinline$doubleConditionEqualZero(6.0)); 2629 assertIntEquals(13, $noinline$doubleConditionEqualZero(43.0)); 2630 2631 assertIntEquals(1234567, $noinline$intToDoubleToInt(1234567)); 2632 assertIntEquals(Integer.MIN_VALUE, $noinline$intToDoubleToInt(Integer.MIN_VALUE)); 2633 assertIntEquals(Integer.MAX_VALUE, $noinline$intToDoubleToInt(Integer.MAX_VALUE)); 2634 assertStringEquals("d=7654321.0, i=7654321", $noinline$intToDoubleToIntPrint(7654321)); 2635 assertIntEquals(12, $noinline$byteToDoubleToInt((byte) 12)); 2636 assertIntEquals(Byte.MIN_VALUE, $noinline$byteToDoubleToInt(Byte.MIN_VALUE)); 2637 assertIntEquals(Byte.MAX_VALUE, $noinline$byteToDoubleToInt(Byte.MAX_VALUE)); 2638 assertIntEquals(11, $noinline$floatToDoubleToInt(11.3f)); 2639 assertStringEquals("d=12.25, i=12", $noinline$floatToDoubleToIntPrint(12.25f)); 2640 assertIntEquals(123, $noinline$byteToDoubleToShort((byte) 123)); 2641 assertIntEquals(Byte.MIN_VALUE, $noinline$byteToDoubleToShort(Byte.MIN_VALUE)); 2642 assertIntEquals(Byte.MAX_VALUE, $noinline$byteToDoubleToShort(Byte.MAX_VALUE)); 2643 assertIntEquals(1234, $noinline$charToDoubleToShort((char) 1234)); 2644 assertIntEquals(Character.MIN_VALUE, $noinline$charToDoubleToShort(Character.MIN_VALUE)); 2645 assertIntEquals(/* sign-extended */ -1, $noinline$charToDoubleToShort(Character.MAX_VALUE)); 2646 assertIntEquals(12345, $noinline$floatToIntToShort(12345.75f)); 2647 assertIntEquals(Short.MAX_VALUE, $noinline$floatToIntToShort((float)(Short.MIN_VALUE - 1))); 2648 assertIntEquals(Short.MIN_VALUE, $noinline$floatToIntToShort((float)(Short.MAX_VALUE + 1))); 2649 assertIntEquals(-54321, $noinline$intToFloatToInt(-54321)); 2650 assertDoubleEquals((double) 0x12345678, $noinline$longToIntToDouble(0x1234567812345678L)); 2651 assertDoubleEquals(0.0, $noinline$longToIntToDouble(Long.MIN_VALUE)); 2652 assertDoubleEquals(-1.0, $noinline$longToIntToDouble(Long.MAX_VALUE)); 2653 assertLongEquals(0x0000000012345678L, $noinline$longToIntToLong(0x1234567812345678L)); 2654 assertLongEquals(0xffffffff87654321L, $noinline$longToIntToLong(0x1234567887654321L)); 2655 assertLongEquals(0L, $noinline$longToIntToLong(Long.MIN_VALUE)); 2656 assertLongEquals(-1L, $noinline$longToIntToLong(Long.MAX_VALUE)); 2657 assertIntEquals((short) -5678, $noinline$shortToCharToShort((short) -5678)); 2658 assertIntEquals(Short.MIN_VALUE, $noinline$shortToCharToShort(Short.MIN_VALUE)); 2659 assertIntEquals(Short.MAX_VALUE, $noinline$shortToCharToShort(Short.MAX_VALUE)); 2660 assertIntEquals(5678, $noinline$shortToLongToInt((short) 5678)); 2661 assertIntEquals(Short.MIN_VALUE, $noinline$shortToLongToInt(Short.MIN_VALUE)); 2662 assertIntEquals(Short.MAX_VALUE, $noinline$shortToLongToInt(Short.MAX_VALUE)); 2663 assertIntEquals(0x34, $noinline$shortToCharToByte((short) 0x1234)); 2664 assertIntEquals(-0x10, $noinline$shortToCharToByte((short) 0x12f0)); 2665 assertIntEquals(0, $noinline$shortToCharToByte(Short.MIN_VALUE)); 2666 assertIntEquals(-1, $noinline$shortToCharToByte(Short.MAX_VALUE)); 2667 assertStringEquals("c=1025, b=1", $noinline$shortToCharToBytePrint((short) 1025)); 2668 assertStringEquals("c=1023, b=-1", $noinline$shortToCharToBytePrint((short) 1023)); 2669 assertStringEquals("c=65535, b=-1", $noinline$shortToCharToBytePrint((short) -1)); 2670 2671 assertLongEquals(0x55411410L, $noinline$intAndSmallLongConstant(0x55555555)); 2672 assertLongEquals(0xffffffffaa028aa2L, $noinline$intAndSmallLongConstant(0xaaaaaaaa)); 2673 assertLongEquals(0x44101440L, $noinline$intAndLargeLongConstant(0x55555555)); 2674 assertLongEquals(0x208a002aaL, $noinline$intAndLargeLongConstant(0xaaaaaaaa)); 2675 assertLongEquals(7L, $noinline$intShr28And15L(0x76543210)); 2676 2677 assertIntEquals(0x21, $noinline$longAnd0xffToByte(0x1234432112344321L)); 2678 assertIntEquals(0, $noinline$longAnd0xffToByte(Long.MIN_VALUE)); 2679 assertIntEquals(-1, $noinline$longAnd0xffToByte(Long.MAX_VALUE)); 2680 assertIntEquals(0x1234, $noinline$intAnd0x1ffffToChar(0x43211234)); 2681 assertIntEquals(0, $noinline$intAnd0x1ffffToChar(Integer.MIN_VALUE)); 2682 assertIntEquals(Character.MAX_VALUE, $noinline$intAnd0x1ffffToChar(Integer.MAX_VALUE)); 2683 assertIntEquals(0x4321, $noinline$intAnd0x17fffToShort(0x87654321)); 2684 assertIntEquals(0x0888, $noinline$intAnd0x17fffToShort(0x88888888)); 2685 assertIntEquals(0, $noinline$intAnd0x17fffToShort(Integer.MIN_VALUE)); 2686 assertIntEquals(Short.MAX_VALUE, $noinline$intAnd0x17fffToShort(Integer.MAX_VALUE)); 2687 2688 assertDoubleEquals(0.0, $noinline$shortAnd0xffffToShortToDouble((short) 0)); 2689 assertDoubleEquals(1.0, $noinline$shortAnd0xffffToShortToDouble((short) 1)); 2690 assertDoubleEquals(-2.0, $noinline$shortAnd0xffffToShortToDouble((short) -2)); 2691 assertDoubleEquals(12345.0, $noinline$shortAnd0xffffToShortToDouble((short) 12345)); 2692 assertDoubleEquals((double)Short.MAX_VALUE, 2693 $noinline$shortAnd0xffffToShortToDouble(Short.MAX_VALUE)); 2694 assertDoubleEquals((double)Short.MIN_VALUE, 2695 $noinline$shortAnd0xffffToShortToDouble(Short.MIN_VALUE)); 2696 2697 assertIntEquals(13, $noinline$intReverseCondition(41)); 2698 assertIntEquals(13, $noinline$intReverseConditionNaN(-5)); 2699 2700 for (String condition : new String[] { "Equal", "NotEqual" }) { 2701 for (String constant : new String[] { "True", "False" }) { 2702 for (String side : new String[] { "Rhs", "Lhs" }) { 2703 String name = condition + constant + side; 2704 assertIntEquals(5, $noinline$runSmaliTest(name, true)); 2705 assertIntEquals(3, $noinline$runSmaliTest(name, false)); 2706 } 2707 } 2708 } 2709 2710 assertIntEquals(0, $noinline$runSmaliTestInt("AddSubConst", 1)); 2711 assertIntEquals(3, $noinline$runSmaliTestInt("SubAddConst", 2)); 2712 assertIntEquals(-16, $noinline$runSmaliTestInt("SubSubConst1", 3)); 2713 assertIntEquals(-5, $noinline$runSmaliTestInt("SubSubConst2", 4)); 2714 assertIntEquals(26, $noinline$runSmaliTestInt("SubSubConst3", 5)); 2715 assertIntEquals(0x5e6f7808, $noinline$intUnnecessaryShiftMasking(0xabcdef01, 3)); 2716 assertIntEquals(0x5e6f7808, $noinline$intUnnecessaryShiftMasking(0xabcdef01, 3 + 32)); 2717 assertLongEquals(0xffffffffffffeaf3L, 2718 $noinline$longUnnecessaryShiftMasking(0xabcdef0123456789L, 50)); 2719 assertLongEquals(0xffffffffffffeaf3L, 2720 $noinline$longUnnecessaryShiftMasking(0xabcdef0123456789L, 50 + 64)); 2721 assertIntEquals(0x2af37b, $noinline$intUnnecessaryWiderShiftMasking(0xabcdef01, 10)); 2722 assertIntEquals(0x2af37b, $noinline$intUnnecessaryWiderShiftMasking(0xabcdef01, 10 + 128)); 2723 assertLongEquals(0xaf37bc048d159e24L, 2724 $noinline$longSmallerShiftMasking(0xabcdef0123456789L, 2)); 2725 assertLongEquals(0xaf37bc048d159e24L, 2726 $noinline$longSmallerShiftMasking(0xabcdef0123456789L, 2 + 256)); 2727 assertIntEquals(0xfffd5e7c, $noinline$otherUseOfUnnecessaryShiftMasking(0xabcdef01, 13)); 2728 assertIntEquals(0xfffd5e7c, $noinline$otherUseOfUnnecessaryShiftMasking(0xabcdef01, 13 + 512)); 2729 assertIntEquals(0x5f49eb48, $noinline$intUnnecessaryShiftModifications(0xabcdef01, 2)); 2730 assertIntEquals(0xbd4c29b0, $noinline$intUnnecessaryShiftModifications(0xabcdef01, 3)); 2731 assertIntEquals(0xc0fed1ca, $noinline$intNecessaryShiftModifications(0xabcdef01, 2)); 2732 assertIntEquals(0x03578ebc, $noinline$intNecessaryShiftModifications(0xabcdef01, 3)); 2733 2734 assertIntEquals(654321, $noinline$intAddSubSimplifyArg1(arg, 654321)); 2735 assertIntEquals(arg, $noinline$intAddSubSimplifyArg2(arg, 654321)); 2736 assertIntEquals(arg, $noinline$intSubAddSimplifyLeft(arg, 654321)); 2737 assertIntEquals(arg, $noinline$intSubAddSimplifyRight(arg, 654321)); 2738 assertFloatEquals(654321.125f, $noinline$floatAddSubSimplifyArg1(floatArg, 654321.125f)); 2739 assertFloatEquals(floatArg, $noinline$floatAddSubSimplifyArg2(floatArg, 654321.125f)); 2740 assertFloatEquals(floatArg, $noinline$floatSubAddSimplifyLeft(floatArg, 654321.125f)); 2741 assertFloatEquals(floatArg, $noinline$floatSubAddSimplifyRight(floatArg, 654321.125f)); 2742 2743 Main m = new Main(); 2744 m.instanceByteField = -1; 2745 assertIntEquals(0xff, $noinline$getUint8FromInstanceByteField(m)); 2746 staticByteField = -2; 2747 assertIntEquals(0xfe, $noinline$getUint8FromStaticByteField()); 2748 assertIntEquals(0xfd, $noinline$getUint8FromByteArray(new byte[] { -3 })); 2749 m.instanceShortField = -4; 2750 assertIntEquals(0xfffc, $noinline$getUint16FromInstanceShortField(m)); 2751 staticShortField = -5; 2752 assertIntEquals(0xfffb, $noinline$getUint16FromStaticShortField()); 2753 assertIntEquals(0xfffa, $noinline$getUint16FromShortArray(new short[] { -6 })); 2754 m.instanceCharField = 0xfff9; 2755 assertIntEquals(-7, $noinline$getInt16FromInstanceCharField(m)); 2756 staticCharField = 0xfff8; 2757 assertIntEquals(-8, $noinline$getInt16FromStaticCharField()); 2758 assertIntEquals(-9, $noinline$getInt16FromCharArray(new char[] { 0xfff7 })); 2759 2760 staticCharField = 0xfff6; 2761 assertIntEquals(0xf6, $noinline$getStaticCharFieldAnd0xff()); 2762 2763 staticByteField = -11; 2764 assertIntEquals(-11, $noinline$byteToUint8AndBack()); 2765 2766 m.instanceByteField = -12; 2767 assertIntEquals(0xfffff4f4, $noinline$getUint8FromInstanceByteFieldWithAnotherUse(m)); 2768 2769 assertIntEquals(0x21, $noinline$intAnd0xffToChar(0x87654321)); 2770 assertIntEquals(0x121, $noinline$intAnd0x1ffToChar(0x87654321)); 2771 2772 m.instanceCharField = 'x'; 2773 assertIntEquals('x', $noinline$getInstanceCharFieldAnd0x1ffff(m)); 2774 2775 assertIntEquals(0x7f, $noinline$bug68142795Byte((byte) 0x7f)); 2776 assertIntEquals((byte) 0x80, $noinline$bug68142795Byte((byte) 0x80)); 2777 assertIntEquals(0x7fff, (int)$noinline$bug68142795Short.invoke(null, (short) 0x7fff)); 2778 assertIntEquals((short) 0x8000, (int)$noinline$bug68142795Short.invoke(null, (short) 0x8000)); 2779 assertIntEquals(0, (int)$noinline$bug68142795Boolean.invoke(null, false)); 2780 assertIntEquals(1, (int)$noinline$bug68142795Boolean.invoke(null, true)); 2781 assertIntEquals(0x7f, $noinline$bug68142795Elaborate((byte) 0x7f)); 2782 assertIntEquals((byte) 0x80, $noinline$bug68142795Elaborate((byte) 0x80)); 2783 2784 assertIntEquals(-1, $noinline$emptyStringIndexOf('a')); 2785 assertIntEquals(-1, $noinline$emptyStringIndexOf('Z')); 2786 assertIntEquals(-1, $noinline$emptyStringIndexOfAfter('a', 0)); 2787 assertIntEquals(-1, $noinline$emptyStringIndexOfAfter('Z', -1)); 2788 2789 assertIntEquals(-1, $noinline$singleCharStringIndexOf('a')); 2790 assertIntEquals(0, $noinline$singleCharStringIndexOf('x')); 2791 assertIntEquals(-1, $noinline$singleCharStringIndexOf('Z')); 2792 assertIntEquals(-1, $noinline$singleCharStringIndexOfAfter('a', 0)); 2793 assertIntEquals(0, $noinline$singleCharStringIndexOfAfter('x', -1)); 2794 assertIntEquals(-1, $noinline$singleCharStringIndexOfAfter('x', 1)); 2795 assertIntEquals(-1, $noinline$singleCharStringIndexOfAfter('Z', -1)); 2796 } 2797 2798 private static boolean $inline$true() { return true; } 2799 private static boolean $inline$false() { return false; } 2800 2801 public static boolean booleanField; 2802 2803 public static byte staticByteField; 2804 public static char staticCharField; 2805 public static short staticShortField; 2806 2807 public byte instanceByteField; 2808 public char instanceCharField; 2809 public short instanceShortField; 2810 } 2811
