1 ; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -verify-machineinstrs | FileCheck %s -check-prefix=X32-Linux 2 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -verify-machineinstrs | FileCheck %s -check-prefix=X64-Linux 3 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -code-model=large -verify-machineinstrs | FileCheck %s -check-prefix=X64-Linux-Large 4 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnux32 -verify-machineinstrs | FileCheck %s -check-prefix=X32ABI 5 ; RUN: llc < %s -mcpu=generic -mtriple=i686-darwin -verify-machineinstrs | FileCheck %s -check-prefix=X32-Darwin 6 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-darwin -verify-machineinstrs | FileCheck %s -check-prefix=X64-Darwin 7 ; RUN: llc < %s -mcpu=generic -mtriple=i686-mingw32 -verify-machineinstrs | FileCheck %s -check-prefix=X32-MinGW 8 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-freebsd -verify-machineinstrs | FileCheck %s -check-prefix=X64-FreeBSD 9 ; RUN: llc < %s -mcpu=generic -mtriple=i686-dragonfly -verify-machineinstrs | FileCheck %s -check-prefix=X32-DFlyBSD 10 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-dragonfly -verify-machineinstrs | FileCheck %s -check-prefix=X64-DFlyBSD 11 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-mingw32 -verify-machineinstrs | FileCheck %s -check-prefix=X64-MinGW 12 13 ; We used to crash with filetype=obj 14 ; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -filetype=obj -o /dev/null 15 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -filetype=obj -o /dev/null 16 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnux32 -filetype=obj -o /dev/null 17 ; RUN: llc < %s -mcpu=generic -mtriple=i686-darwin -filetype=obj -o /dev/null 18 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-darwin -filetype=obj -o /dev/null 19 ; RUN: llc < %s -mcpu=generic -mtriple=i686-mingw32 -filetype=obj -o /dev/null 20 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-freebsd -filetype=obj -o /dev/null 21 ; RUN: llc < %s -mcpu=generic -mtriple=i686-dragonfly -filetype=obj -o /dev/null 22 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-dragonfly -filetype=obj -o /dev/null 23 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-mingw32 -filetype=obj -o /dev/null 24 25 ; RUN: not llc < %s -mcpu=generic -mtriple=x86_64-solaris 2> %t.log 26 ; RUN: FileCheck %s -input-file=%t.log -check-prefix=X64-Solaris 27 ; RUN: not llc < %s -mcpu=generic -mtriple=i686-freebsd 2> %t.log 28 ; RUN: FileCheck %s -input-file=%t.log -check-prefix=X32-FreeBSD 29 30 ; X64-Solaris: Segmented stacks not supported on this platform 31 ; X32-FreeBSD: Segmented stacks not supported on FreeBSD i386 32 33 ; Just to prevent the alloca from being optimized away 34 declare void @dummy_use(i32*, i32) 35 36 define void @test_basic() #0 { 37 %mem = alloca i32, i32 10 38 call void @dummy_use (i32* %mem, i32 10) 39 ret void 40 41 ; X32-Linux-LABEL: test_basic: 42 43 ; X32-Linux: cmpl %gs:48, %esp 44 ; X32-Linux-NEXT: ja .LBB0_2 45 46 ; X32-Linux: pushl $0 47 ; X32-Linux-NEXT: pushl $44 48 ; X32-Linux-NEXT: calll __morestack 49 ; X32-Linux-NEXT: ret 50 51 ; X64-Linux-LABEL: test_basic: 52 53 ; X64-Linux: cmpq %fs:112, %rsp 54 ; X64-Linux-NEXT: ja .LBB0_2 55 56 ; X64-Linux: movabsq $40, %r10 57 ; X64-Linux-NEXT: movabsq $0, %r11 58 ; X64-Linux-NEXT: callq __morestack 59 ; X64-Linux-NEXT: ret 60 61 ; X64-Linux-Large-LABEL: test_basic: 62 63 ; X64-Linux-Large: cmpq %fs:112, %rsp 64 ; X64-Linux-Large-NEXT: ja .LBB0_2 65 66 ; X64-Linux-Large: movabsq $40, %r10 67 ; X64-Linux-Large-NEXT: movabsq $0, %r11 68 ; X64-Linux-Large-NEXT: callq *__morestack_addr(%rip) 69 ; X64-Linux-Large-NEXT: ret 70 71 ; X32ABI-LABEL: test_basic: 72 73 ; X32ABI: cmpl %fs:64, %esp 74 ; X32ABI-NEXT: ja .LBB0_2 75 76 ; X32ABI: movl $40, %r10d 77 ; X32ABI-NEXT: movl $0, %r11d 78 ; X32ABI-NEXT: callq __morestack 79 ; X32ABI-NEXT: ret 80 81 ; X32-Darwin-LABEL: test_basic: 82 83 ; X32-Darwin: movl $432, %ecx 84 ; X32-Darwin-NEXT: cmpl %gs:(%ecx), %esp 85 ; X32-Darwin-NEXT: ja LBB0_2 86 87 ; X32-Darwin: pushl $0 88 ; X32-Darwin-NEXT: pushl $60 89 ; X32-Darwin-NEXT: calll ___morestack 90 ; X32-Darwin-NEXT: ret 91 92 ; X64-Darwin-LABEL: test_basic: 93 94 ; X64-Darwin: cmpq %gs:816, %rsp 95 ; X64-Darwin-NEXT: ja LBB0_2 96 97 ; X64-Darwin: movabsq $40, %r10 98 ; X64-Darwin-NEXT: movabsq $0, %r11 99 ; X64-Darwin-NEXT: callq ___morestack 100 ; X64-Darwin-NEXT: ret 101 102 ; X32-MinGW-LABEL: test_basic: 103 104 ; X32-MinGW: cmpl %fs:20, %esp 105 ; X32-MinGW-NEXT: ja LBB0_2 106 107 ; X32-MinGW: pushl $0 108 ; X32-MinGW-NEXT: pushl $40 109 ; X32-MinGW-NEXT: calll ___morestack 110 ; X32-MinGW-NEXT: ret 111 112 ; X64-MinGW-LABEL: test_basic: 113 114 ; X64-MinGW: cmpq %gs:40, %rsp 115 ; X64-MinGW-NEXT: ja .LBB0_2 116 117 ; X64-MinGW: movabsq $72, %r10 118 ; X64-MinGW-NEXT: movabsq $32, %r11 119 ; X64-MinGW-NEXT: callq __morestack 120 ; X64-MinGW-NEXT: retq 121 122 ; X64-FreeBSD-LABEL: test_basic: 123 124 ; X64-FreeBSD: cmpq %fs:24, %rsp 125 ; X64-FreeBSD-NEXT: ja .LBB0_2 126 127 ; X64-FreeBSD: movabsq $40, %r10 128 ; X64-FreeBSD-NEXT: movabsq $0, %r11 129 ; X64-FreeBSD-NEXT: callq __morestack 130 ; X64-FreeBSD-NEXT: ret 131 132 ; X32-DFlyBSD-LABEL: test_basic: 133 134 ; X32-DFlyBSD: cmpl %fs:16, %esp 135 ; X32-DFlyBSD-NEXT: ja .LBB0_2 136 137 ; X32-DFlyBSD: pushl $0 138 ; X32-DFlyBSD-NEXT: pushl $40 139 ; X32-DFlyBSD-NEXT: calll __morestack 140 ; X32-DFlyBSD-NEXT: ret 141 142 ; X64-DFlyBSD-LABEL: test_basic: 143 144 ; X64-DFlyBSD: cmpq %fs:32, %rsp 145 ; X64-DFlyBSD-NEXT: ja .LBB0_2 146 147 ; X64-DFlyBSD: movabsq $40, %r10 148 ; X64-DFlyBSD-NEXT: movabsq $0, %r11 149 ; X64-DFlyBSD-NEXT: callq __morestack 150 ; X64-DFlyBSD-NEXT: ret 151 152 } 153 154 define i32 @test_nested(i32 * nest %closure, i32 %other) #0 { 155 %addend = load i32 , i32 * %closure 156 %result = add i32 %other, %addend 157 %mem = alloca i32, i32 10 158 call void @dummy_use (i32* %mem, i32 10) 159 ret i32 %result 160 161 ; X32-Linux: cmpl %gs:48, %esp 162 ; X32-Linux-NEXT: ja .LBB1_2 163 164 ; X32-Linux: pushl $4 165 ; X32-Linux-NEXT: pushl $44 166 ; X32-Linux-NEXT: calll __morestack 167 ; X32-Linux-NEXT: ret 168 169 ; X64-Linux: cmpq %fs:112, %rsp 170 ; X64-Linux-NEXT: ja .LBB1_2 171 172 ; X64-Linux: movq %r10, %rax 173 ; X64-Linux-NEXT: movabsq $56, %r10 174 ; X64-Linux-NEXT: movabsq $0, %r11 175 ; X64-Linux-NEXT: callq __morestack 176 ; X64-Linux-NEXT: ret 177 ; X64-Linux-NEXT: movq %rax, %r10 178 179 ; X32ABI: cmpl %fs:64, %esp 180 ; X32ABI-NEXT: ja .LBB1_2 181 182 ; X32ABI: movl %r10d, %eax 183 ; X32ABI-NEXT: movl $56, %r10d 184 ; X32ABI-NEXT: movl $0, %r11d 185 ; X32ABI-NEXT: callq __morestack 186 ; X32ABI-NEXT: ret 187 ; X32ABI-NEXT: movq %rax, %r10 188 189 ; X32-Darwin: movl $432, %edx 190 ; X32-Darwin-NEXT: cmpl %gs:(%edx), %esp 191 ; X32-Darwin-NEXT: ja LBB1_2 192 193 ; X32-Darwin: pushl $4 194 ; X32-Darwin-NEXT: pushl $60 195 ; X32-Darwin-NEXT: calll ___morestack 196 ; X32-Darwin-NEXT: ret 197 198 ; X64-Darwin: cmpq %gs:816, %rsp 199 ; X64-Darwin-NEXT: ja LBB1_2 200 201 ; X64-Darwin: movq %r10, %rax 202 ; X64-Darwin-NEXT: movabsq $56, %r10 203 ; X64-Darwin-NEXT: movabsq $0, %r11 204 ; X64-Darwin-NEXT: callq ___morestack 205 ; X64-Darwin-NEXT: ret 206 ; X64-Darwin-NEXT: movq %rax, %r10 207 208 ; X32-MinGW: cmpl %fs:20, %esp 209 ; X32-MinGW-NEXT: ja LBB1_2 210 211 ; X32-MinGW: pushl $4 212 ; X32-MinGW-NEXT: pushl $44 213 ; X32-MinGW-NEXT: calll ___morestack 214 ; X32-MinGW-NEXT: ret 215 216 ; X64-MinGW-LABEL: test_nested: 217 ; X64-MinGW: cmpq %gs:40, %rsp 218 ; X64-MinGW-NEXT: ja .LBB1_2 219 220 ; X64-MinGW: movq %r10, %rax 221 ; X64-MinGW-NEXT: movabsq $88, %r10 222 ; X64-MinGW-NEXT: movabsq $32, %r11 223 ; X64-MinGW-NEXT: callq __morestack 224 ; X64-MinGW-NEXT: retq 225 ; X64-MinGW-NEXT: movq %rax, %r10 226 227 ; X64-FreeBSD: cmpq %fs:24, %rsp 228 ; X64-FreeBSD-NEXT: ja .LBB1_2 229 230 ; X64-FreeBSD: movq %r10, %rax 231 ; X64-FreeBSD-NEXT: movabsq $56, %r10 232 ; X64-FreeBSD-NEXT: movabsq $0, %r11 233 ; X64-FreeBSD-NEXT: callq __morestack 234 ; X64-FreeBSD-NEXT: ret 235 ; X64-FreeBSD-NEXT: movq %rax, %r10 236 237 ; X32-DFlyBSD: cmpl %fs:16, %esp 238 ; X32-DFlyBSD-NEXT: ja .LBB1_2 239 240 ; X32-DFlyBSD: pushl $4 241 ; X32-DFlyBSD-NEXT: pushl $44 242 ; X32-DFlyBSD-NEXT: calll __morestack 243 ; X32-DFlyBSD-NEXT: ret 244 245 ; X64-DFlyBSD: cmpq %fs:32, %rsp 246 ; X64-DFlyBSD-NEXT: ja .LBB1_2 247 248 ; X64-DFlyBSD: movq %r10, %rax 249 ; X64-DFlyBSD-NEXT: movabsq $56, %r10 250 ; X64-DFlyBSD-NEXT: movabsq $0, %r11 251 ; X64-DFlyBSD-NEXT: callq __morestack 252 ; X64-DFlyBSD-NEXT: ret 253 ; X64-DFlyBSD-NEXT: movq %rax, %r10 254 255 } 256 257 define void @test_large() #0 { 258 %mem = alloca i32, i32 10000 259 call void @dummy_use (i32* %mem, i32 0) 260 ret void 261 262 ; X32-Linux: leal -40012(%esp), %ecx 263 ; X32-Linux-NEXT: cmpl %gs:48, %ecx 264 ; X32-Linux-NEXT: ja .LBB2_2 265 266 ; X32-Linux: pushl $0 267 ; X32-Linux-NEXT: pushl $40012 268 ; X32-Linux-NEXT: calll __morestack 269 ; X32-Linux-NEXT: ret 270 271 ; X64-Linux: leaq -40008(%rsp), %r11 272 ; X64-Linux-NEXT: cmpq %fs:112, %r11 273 ; X64-Linux-NEXT: ja .LBB2_2 274 275 ; X64-Linux: movabsq $40008, %r10 276 ; X64-Linux-NEXT: movabsq $0, %r11 277 ; X64-Linux-NEXT: callq __morestack 278 ; X64-Linux-NEXT: ret 279 280 ; X32ABI: leal -40008(%rsp), %r11d 281 ; X32ABI-NEXT: cmpl %fs:64, %r11d 282 ; X32ABI-NEXT: ja .LBB2_2 283 284 ; X32ABI: movl $40008, %r10d 285 ; X32ABI-NEXT: movl $0, %r11d 286 ; X32ABI-NEXT: callq __morestack 287 ; X32ABI-NEXT: ret 288 289 ; X32-Darwin: leal -40012(%esp), %ecx 290 ; X32-Darwin-NEXT: movl $432, %eax 291 ; X32-Darwin-NEXT: cmpl %gs:(%eax), %ecx 292 ; X32-Darwin-NEXT: ja LBB2_2 293 294 ; X32-Darwin: pushl $0 295 ; X32-Darwin-NEXT: pushl $40012 296 ; X32-Darwin-NEXT: calll ___morestack 297 ; X32-Darwin-NEXT: ret 298 299 ; X64-Darwin: leaq -40008(%rsp), %r11 300 ; X64-Darwin-NEXT: cmpq %gs:816, %r11 301 ; X64-Darwin-NEXT: ja LBB2_2 302 303 ; X64-Darwin: movabsq $40008, %r10 304 ; X64-Darwin-NEXT: movabsq $0, %r11 305 ; X64-Darwin-NEXT: callq ___morestack 306 ; X64-Darwin-NEXT: ret 307 308 ; X32-MinGW: leal -40000(%esp), %ecx 309 ; X32-MinGW-NEXT: cmpl %fs:20, %ecx 310 ; X32-MinGW-NEXT: ja LBB2_2 311 312 ; X32-MinGW: pushl $0 313 ; X32-MinGW-NEXT: pushl $40000 314 ; X32-MinGW-NEXT: calll ___morestack 315 ; X32-MinGW-NEXT: ret 316 317 ; X64-MinGW-LABEL: test_large: 318 ; X64-MinGW: leaq -40040(%rsp), %r11 319 ; X64-MinGW-NEXT: cmpq %gs:40, %r11 320 ; X64-MinGW-NEXT: ja .LBB2_2 321 322 ; X64-MinGW: movabsq $40040, %r10 323 ; X64-MinGW-NEXT: movabsq $32, %r11 324 ; X64-MinGW-NEXT: callq __morestack 325 ; X64-MinGW-NEXT: retq 326 327 ; X64-FreeBSD: leaq -40008(%rsp), %r11 328 ; X64-FreeBSD-NEXT: cmpq %fs:24, %r11 329 ; X64-FreeBSD-NEXT: ja .LBB2_2 330 331 ; X64-FreeBSD: movabsq $40008, %r10 332 ; X64-FreeBSD-NEXT: movabsq $0, %r11 333 ; X64-FreeBSD-NEXT: callq __morestack 334 ; X64-FreeBSD-NEXT: ret 335 336 ; X32-DFlyBSD: leal -40000(%esp), %ecx 337 ; X32-DFlyBSD-NEXT: cmpl %fs:16, %ecx 338 ; X32-DFlyBSD-NEXT: ja .LBB2_2 339 340 ; X32-DFlyBSD: pushl $0 341 ; X32-DFlyBSD-NEXT: pushl $40000 342 ; X32-DFlyBSD-NEXT: calll __morestack 343 ; X32-DFlyBSD-NEXT: ret 344 345 ; X64-DFlyBSD: leaq -40008(%rsp), %r11 346 ; X64-DFlyBSD-NEXT: cmpq %fs:32, %r11 347 ; X64-DFlyBSD-NEXT: ja .LBB2_2 348 349 ; X64-DFlyBSD: movabsq $40008, %r10 350 ; X64-DFlyBSD-NEXT: movabsq $0, %r11 351 ; X64-DFlyBSD-NEXT: callq __morestack 352 ; X64-DFlyBSD-NEXT: ret 353 354 } 355 356 define fastcc void @test_fastcc() #0 { 357 %mem = alloca i32, i32 10 358 call void @dummy_use (i32* %mem, i32 10) 359 ret void 360 361 ; X32-Linux-LABEL: test_fastcc: 362 363 ; X32-Linux: cmpl %gs:48, %esp 364 ; X32-Linux-NEXT: ja .LBB3_2 365 366 ; X32-Linux: pushl $0 367 ; X32-Linux-NEXT: pushl $44 368 ; X32-Linux-NEXT: calll __morestack 369 ; X32-Linux-NEXT: ret 370 371 ; X64-Linux-LABEL: test_fastcc: 372 373 ; X64-Linux: cmpq %fs:112, %rsp 374 ; X64-Linux-NEXT: ja .LBB3_2 375 376 ; X64-Linux: movabsq $40, %r10 377 ; X64-Linux-NEXT: movabsq $0, %r11 378 ; X64-Linux-NEXT: callq __morestack 379 ; X64-Linux-NEXT: ret 380 381 ; X32ABI-LABEL: test_fastcc: 382 383 ; X32ABI: cmpl %fs:64, %esp 384 ; X32ABI-NEXT: ja .LBB3_2 385 386 ; X32ABI: movl $40, %r10d 387 ; X32ABI-NEXT: movl $0, %r11d 388 ; X32ABI-NEXT: callq __morestack 389 ; X32ABI-NEXT: ret 390 391 ; X32-Darwin-LABEL: test_fastcc: 392 393 ; X32-Darwin: movl $432, %eax 394 ; X32-Darwin-NEXT: cmpl %gs:(%eax), %esp 395 ; X32-Darwin-NEXT: ja LBB3_2 396 397 ; X32-Darwin: pushl $0 398 ; X32-Darwin-NEXT: pushl $60 399 ; X32-Darwin-NEXT: calll ___morestack 400 ; X32-Darwin-NEXT: ret 401 402 ; X64-Darwin-LABEL: test_fastcc: 403 404 ; X64-Darwin: cmpq %gs:816, %rsp 405 ; X64-Darwin-NEXT: ja LBB3_2 406 407 ; X64-Darwin: movabsq $40, %r10 408 ; X64-Darwin-NEXT: movabsq $0, %r11 409 ; X64-Darwin-NEXT: callq ___morestack 410 ; X64-Darwin-NEXT: ret 411 412 ; X32-MinGW-LABEL: test_fastcc: 413 414 ; X32-MinGW: cmpl %fs:20, %esp 415 ; X32-MinGW-NEXT: ja LBB3_2 416 417 ; X32-MinGW: pushl $0 418 ; X32-MinGW-NEXT: pushl $40 419 ; X32-MinGW-NEXT: calll ___morestack 420 ; X32-MinGW-NEXT: ret 421 422 ; X64-MinGW-LABEL: test_fastcc: 423 424 ; X64-MinGW: cmpq %gs:40, %rsp 425 ; X64-MinGW-NEXT: ja .LBB3_2 426 427 ; X64-MinGW: movabsq $72, %r10 428 ; X64-MinGW-NEXT: movabsq $32, %r11 429 ; X64-MinGW-NEXT: callq __morestack 430 ; X64-MinGW-NEXT: retq 431 432 ; X64-FreeBSD-LABEL: test_fastcc: 433 434 ; X64-FreeBSD: cmpq %fs:24, %rsp 435 ; X64-FreeBSD-NEXT: ja .LBB3_2 436 437 ; X64-FreeBSD: movabsq $40, %r10 438 ; X64-FreeBSD-NEXT: movabsq $0, %r11 439 ; X64-FreeBSD-NEXT: callq __morestack 440 ; X64-FreeBSD-NEXT: ret 441 442 ; X32-DFlyBSD-LABEL: test_fastcc: 443 444 ; X32-DFlyBSD: cmpl %fs:16, %esp 445 ; X32-DFlyBSD-NEXT: ja .LBB3_2 446 447 ; X32-DFlyBSD: pushl $0 448 ; X32-DFlyBSD-NEXT: pushl $40 449 ; X32-DFlyBSD-NEXT: calll __morestack 450 ; X32-DFlyBSD-NEXT: ret 451 452 ; X64-DFlyBSD-LABEL: test_fastcc: 453 454 ; X64-DFlyBSD: cmpq %fs:32, %rsp 455 ; X64-DFlyBSD-NEXT: ja .LBB3_2 456 457 ; X64-DFlyBSD: movabsq $40, %r10 458 ; X64-DFlyBSD-NEXT: movabsq $0, %r11 459 ; X64-DFlyBSD-NEXT: callq __morestack 460 ; X64-DFlyBSD-NEXT: ret 461 462 } 463 464 define fastcc void @test_fastcc_large() #0 { 465 %mem = alloca i32, i32 10000 466 call void @dummy_use (i32* %mem, i32 0) 467 ret void 468 469 ; X32-Linux-LABEL: test_fastcc_large: 470 471 ; X32-Linux: leal -40012(%esp), %eax 472 ; X32-Linux-NEXT: cmpl %gs:48, %eax 473 ; X32-Linux-NEXT: ja .LBB4_2 474 475 ; X32-Linux: pushl $0 476 ; X32-Linux-NEXT: pushl $40012 477 ; X32-Linux-NEXT: calll __morestack 478 ; X32-Linux-NEXT: ret 479 480 ; X64-Linux-LABEL: test_fastcc_large: 481 482 ; X64-Linux: leaq -40008(%rsp), %r11 483 ; X64-Linux-NEXT: cmpq %fs:112, %r11 484 ; X64-Linux-NEXT: ja .LBB4_2 485 486 ; X64-Linux: movabsq $40008, %r10 487 ; X64-Linux-NEXT: movabsq $0, %r11 488 ; X64-Linux-NEXT: callq __morestack 489 ; X64-Linux-NEXT: ret 490 491 ; X32ABI-LABEL: test_fastcc_large: 492 493 ; X32ABI: leal -40008(%rsp), %r11d 494 ; X32ABI-NEXT: cmpl %fs:64, %r11d 495 ; X32ABI-NEXT: ja .LBB4_2 496 497 ; X32ABI: movl $40008, %r10d 498 ; X32ABI-NEXT: movl $0, %r11d 499 ; X32ABI-NEXT: callq __morestack 500 ; X32ABI-NEXT: ret 501 502 ; X32-Darwin-LABEL: test_fastcc_large: 503 504 ; X32-Darwin: leal -40012(%esp), %eax 505 ; X32-Darwin-NEXT: movl $432, %ecx 506 ; X32-Darwin-NEXT: cmpl %gs:(%ecx), %eax 507 ; X32-Darwin-NEXT: ja LBB4_2 508 509 ; X32-Darwin: pushl $0 510 ; X32-Darwin-NEXT: pushl $40012 511 ; X32-Darwin-NEXT: calll ___morestack 512 ; X32-Darwin-NEXT: ret 513 514 ; X64-Darwin-LABEL: test_fastcc_large: 515 516 ; X64-Darwin: leaq -40008(%rsp), %r11 517 ; X64-Darwin-NEXT: cmpq %gs:816, %r11 518 ; X64-Darwin-NEXT: ja LBB4_2 519 520 ; X64-Darwin: movabsq $40008, %r10 521 ; X64-Darwin-NEXT: movabsq $0, %r11 522 ; X64-Darwin-NEXT: callq ___morestack 523 ; X64-Darwin-NEXT: ret 524 525 ; X32-MinGW-LABEL: test_fastcc_large: 526 527 ; X32-MinGW: leal -40000(%esp), %eax 528 ; X32-MinGW-NEXT: cmpl %fs:20, %eax 529 ; X32-MinGW-NEXT: ja LBB4_2 530 531 ; X32-MinGW: pushl $0 532 ; X32-MinGW-NEXT: pushl $40000 533 ; X32-MinGW-NEXT: calll ___morestack 534 ; X32-MinGW-NEXT: ret 535 536 ; X64-MinGW-LABEL: test_fastcc_large: 537 538 ; X64-MinGW: leaq -40040(%rsp), %r11 539 ; X64-MinGW-NEXT: cmpq %gs:40, %r11 540 ; X64-MinGW-NEXT: ja .LBB4_2 541 542 ; X64-MinGW: movabsq $40040, %r10 543 ; X64-MinGW-NEXT: movabsq $32, %r11 544 ; X64-MinGW-NEXT: callq __morestack 545 ; X64-MinGW-NEXT: retq 546 547 ; X64-FreeBSD-LABEL: test_fastcc_large: 548 549 ; X64-FreeBSD: leaq -40008(%rsp), %r11 550 ; X64-FreeBSD-NEXT: cmpq %fs:24, %r11 551 ; X64-FreeBSD-NEXT: ja .LBB4_2 552 553 ; X64-FreeBSD: movabsq $40008, %r10 554 ; X64-FreeBSD-NEXT: movabsq $0, %r11 555 ; X64-FreeBSD-NEXT: callq __morestack 556 ; X64-FreeBSD-NEXT: ret 557 558 ; X32-DFlyBSD-LABEL: test_fastcc_large: 559 560 ; X32-DFlyBSD: leal -40000(%esp), %eax 561 ; X32-DFlyBSD-NEXT: cmpl %fs:16, %eax 562 ; X32-DFlyBSD-NEXT: ja .LBB4_2 563 564 ; X32-DFlyBSD: pushl $0 565 ; X32-DFlyBSD-NEXT: pushl $40000 566 ; X32-DFlyBSD-NEXT: calll __morestack 567 ; X32-DFlyBSD-NEXT: ret 568 569 ; X64-DFlyBSD-LABEL: test_fastcc_large: 570 571 ; X64-DFlyBSD: leaq -40008(%rsp), %r11 572 ; X64-DFlyBSD-NEXT: cmpq %fs:32, %r11 573 ; X64-DFlyBSD-NEXT: ja .LBB4_2 574 575 ; X64-DFlyBSD: movabsq $40008, %r10 576 ; X64-DFlyBSD-NEXT: movabsq $0, %r11 577 ; X64-DFlyBSD-NEXT: callq __morestack 578 ; X64-DFlyBSD-NEXT: ret 579 580 } 581 582 define fastcc void @test_fastcc_large_with_ecx_arg(i32 %a) #0 { 583 %mem = alloca i32, i32 10000 584 call void @dummy_use (i32* %mem, i32 %a) 585 ret void 586 587 ; This is testing that the Mac implementation preserves ecx 588 589 ; X32-Darwin-LABEL: test_fastcc_large_with_ecx_arg: 590 591 ; X32-Darwin: leal -40012(%esp), %eax 592 ; X32-Darwin-NEXT: pushl %ecx 593 ; X32-Darwin-NEXT: movl $432, %ecx 594 ; X32-Darwin-NEXT: cmpl %gs:(%ecx), %eax 595 ; X32-Darwin-NEXT: popl %ecx 596 ; X32-Darwin-NEXT: ja LBB5_2 597 598 ; X32-Darwin: pushl $0 599 ; X32-Darwin-NEXT: pushl $40012 600 ; X32-Darwin-NEXT: calll ___morestack 601 ; X32-Darwin-NEXT: ret 602 603 } 604 605 define void @test_nostack() #0 { 606 ret void 607 608 ; X32-Linux-LABEL: test_nostack: 609 ; X32-Linux-NOT: calll __morestack 610 611 ; X64-Linux-LABEL: test_nostack: 612 ; X32-Linux-NOT: callq __morestack 613 614 ; X32ABI-LABEL: test_nostack: 615 ; X32ABI-NOT: callq __morestack 616 617 ; X32-Darwin-LABEL: test_nostack: 618 ; X32-Darwin-NOT: calll __morestack 619 620 ; X64-Darwin-LABEL: test_nostack: 621 ; X64-Darwin-NOT: callq __morestack 622 623 ; X32-MinGW-LABEL: test_nostack: 624 ; X32-MinGW-NOT: calll __morestack 625 626 ; X64-MinGW-LABEL: test_nostack: 627 ; X64-MinGW-NOT: callq __morestack 628 629 ; X64-FreeBSD-LABEL: test_nostack: 630 ; X64-FreeBSD-NOT: callq __morestack 631 632 ; X32-DFlyBSD-LABEL: test_nostack: 633 ; X32-DFlyBSD-NOT: calll __morestack 634 635 ; X64-DFlyBSD-LABEL: test_nostack: 636 ; X64-DFlyBSD-NOT: callq __morestack 637 } 638 639 attributes #0 = { "split-stack" } 640 641 ; X64-Linux-Large: .rodata 642 ; X64-Linux-Large-NEXT: __morestack_addr: 643 ; X64-Linux-Large-NEXT: .quad __morestack 644
