1; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s 2; 3; Note: Print verbose stackmaps using -debug-only=stackmaps. 4 5; CHECK-LABEL: .section .llvm_stackmaps 6; CHECK-NEXT: __LLVM_StackMaps: 7; Header 8; CHECK-NEXT: .byte 3 9; CHECK-NEXT: .byte 0 10; CHECK-NEXT: .hword 0 11; Num Functions 12; CHECK-NEXT: .word 14 13; Num LargeConstants 14; CHECK-NEXT: .word 4 15; Num Callsites 16; CHECK-NEXT: .word 18 17 18; Functions and stack size 19; CHECK-NEXT: .xword constantargs 20; CHECK-NEXT: .xword 16 21; CHECK-NEXT: .xword 1 22; CHECK-NEXT: .xword osrinline 23; CHECK-NEXT: .xword 32 24; CHECK-NEXT: .xword 1 25; CHECK-NEXT: .xword osrcold 26; CHECK-NEXT: .xword 16 27; CHECK-NEXT: .xword 1 28; CHECK-NEXT: .xword propertyRead 29; CHECK-NEXT: .xword 16 30; CHECK-NEXT: .xword 1 31; CHECK-NEXT: .xword propertyWrite 32; CHECK-NEXT: .xword 16 33; CHECK-NEXT: .xword 1 34; CHECK-NEXT: .xword jsVoidCall 35; CHECK-NEXT: .xword 16 36; CHECK-NEXT: .xword 1 37; CHECK-NEXT: .xword jsIntCall 38; CHECK-NEXT: .xword 16 39; CHECK-NEXT: .xword 1 40; CHECK-NEXT: .xword spilledValue 41; CHECK-NEXT: .xword 144 42; CHECK-NEXT: .xword 1 43; CHECK-NEXT: .xword spilledStackMapValue 44; CHECK-NEXT: .xword 128 45; CHECK-NEXT: .xword 1 46; CHECK-NEXT: .xword liveConstant 47; CHECK-NEXT: .xword 16 48; CHECK-NEXT: .xword 1 49; CHECK-NEXT: .xword directFrameIdx 50; CHECK-NEXT: .xword 64 51; CHECK-NEXT: .xword 2 52; CHECK-NEXT: .xword longid 53; CHECK-NEXT: .xword 16 54; CHECK-NEXT: .xword 4 55; CHECK-NEXT: .xword clobberLR 56; CHECK-NEXT: .xword 112 57; CHECK-NEXT: .xword 1 58; CHECK-NEXT: .xword needsStackRealignment 59; CHECK-NEXT: .xword -1 60; CHECK-NEXT: .xword 1 61 62; Large Constants 63; CHECK-NEXT: .xword 2147483648 64; CHECK-NEXT: .xword 4294967295 65; CHECK-NEXT: .xword 4294967296 66; CHECK-NEXT: .xword 4294967297 67 68; Callsites 69; Constant arguments 70; 71; CHECK-NEXT: .xword 1 72; CHECK-NEXT: .word .L{{.*}}-constantargs 73; CHECK-NEXT: .hword 0 74; CHECK-NEXT: .hword 14 75; SmallConstant 76; CHECK-NEXT: .byte 4 77; CHECK-NEXT: .byte 0 78; CHECK-NEXT: .hword 8 79; CHECK-NEXT: .hword 0 80; CHECK-NEXT: .hword 0 81; CHECK-NEXT: .word -1 82; SmallConstant 83; CHECK-NEXT: .byte 4 84; CHECK-NEXT: .byte 0 85; CHECK-NEXT: .hword 8 86; CHECK-NEXT: .hword 0 87; CHECK-NEXT: .hword 0 88; CHECK-NEXT: .word -1 89; SmallConstant 90; CHECK-NEXT: .byte 4 91; CHECK-NEXT: .byte 0 92; CHECK-NEXT: .hword 8 93; CHECK-NEXT: .hword 0 94; CHECK-NEXT: .hword 0 95; CHECK-NEXT: .word 65536 96; SmallConstant 97; CHECK-NEXT: .byte 4 98; CHECK-NEXT: .byte 0 99; CHECK-NEXT: .hword 8 100; CHECK-NEXT: .hword 0 101; CHECK-NEXT: .hword 0 102; CHECK-NEXT: .word 2000000000 103; SmallConstant 104; CHECK-NEXT: .byte 4 105; CHECK-NEXT: .byte 0 106; CHECK-NEXT: .hword 8 107; CHECK-NEXT: .hword 0 108; CHECK-NEXT: .hword 0 109; CHECK-NEXT: .word 2147483647 110; SmallConstant 111; CHECK-NEXT: .byte 4 112; CHECK-NEXT: .byte 0 113; CHECK-NEXT: .hword 8 114; CHECK-NEXT: .hword 0 115; CHECK-NEXT: .hword 0 116; CHECK-NEXT: .word -1 117; SmallConstant 118; CHECK-NEXT: .byte 4 119; CHECK-NEXT: .byte 0 120; CHECK-NEXT: .hword 8 121; CHECK-NEXT: .hword 0 122; CHECK-NEXT: .hword 0 123; CHECK-NEXT: .word -1 124; SmallConstant 125; CHECK-NEXT: .byte 4 126; CHECK-NEXT: .byte 0 127; CHECK-NEXT: .hword 8 128; CHECK-NEXT: .hword 0 129; CHECK-NEXT: .hword 0 130; CHECK-NEXT: .word 0 131; LargeConstant at index 0 132; CHECK-NEXT: .byte 5 133; CHECK-NEXT: .byte 0 134; CHECK-NEXT: .hword 8 135; CHECK-NEXT: .hword 0 136; CHECK-NEXT: .hword 0 137; CHECK-NEXT: .word 0 138; LargeConstant at index 1 139; CHECK-NEXT: .byte 5 140; CHECK-NEXT: .byte 0 141; CHECK-NEXT: .hword 8 142; CHECK-NEXT: .hword 0 143; CHECK-NEXT: .hword 0 144; CHECK-NEXT: .word 1 145; LargeConstant at index 2 146; CHECK-NEXT: .byte 5 147; CHECK-NEXT: .byte 0 148; CHECK-NEXT: .hword 8 149; CHECK-NEXT: .hword 0 150; CHECK-NEXT: .hword 0 151; CHECK-NEXT: .word 2 152; SmallConstant 153; CHECK-NEXT: .byte 4 154; CHECK-NEXT: .byte 0 155; CHECK-NEXT: .hword 8 156; CHECK-NEXT: .hword 0 157; CHECK-NEXT: .hword 0 158; CHECK-NEXT: .word -1 159; SmallConstant 160; CHECK-NEXT: .byte 4 161; CHECK-NEXT: .byte 0 162; CHECK-NEXT: .hword 8 163; CHECK-NEXT: .hword 0 164; CHECK-NEXT: .hword 0 165; CHECK-NEXT: .word 66 166; LargeConstant at index 2 167; CHECK-NEXT: .byte 5 168; CHECK-NEXT: .byte 0 169; CHECK-NEXT: .hword 8 170; CHECK-NEXT: .hword 0 171; CHECK-NEXT: .hword 0 172; CHECK-NEXT: .word 3 173 174define void @constantargs() { 175entry: 176 %0 = inttoptr i64 12345 to i8* 177 tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 16, i8* %0, i32 0, i16 65535, i16 -1, i32 65536, i32 2000000000, i32 2147483647, i32 -1, i32 4294967295, i32 4294967296, i64 2147483648, i64 4294967295, i64 4294967296, i64 -1, i128 66, i128 4294967297) 178 ret void 179} 180 181; Inline OSR Exit 182; 183; CHECK-LABEL: .word .L{{.*}}-osrinline 184; CHECK-NEXT: .hword 0 185; CHECK-NEXT: .hword 2 186; CHECK-NEXT: .byte 1 187; CHECK-NEXT: .byte 0 188; CHECK-NEXT: .hword 8 189; CHECK-NEXT: .hword {{[0-9]+}} 190; CHECK-NEXT: .hword 0 191; CHECK-NEXT: .word 0 192; CHECK-NEXT: .byte 1 193; CHECK-NEXT: .byte 0 194; CHECK-NEXT: .hword 8 195; CHECK-NEXT: .hword {{[0-9]+}} 196; CHECK-NEXT: .hword 0 197; CHECK-NEXT: .word 0 198define void @osrinline(i64 %a, i64 %b) { 199entry: 200 ; Runtime void->void call. 201 call void inttoptr (i64 -559038737 to void ()*)() 202 ; Followed by inline OSR patchpoint with 12-byte shadow and 2 live vars. 203 call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 12, i64 %a, i64 %b) 204 ret void 205} 206 207; Cold OSR Exit 208; 209; 2 live variables in register. 210; 211; CHECK-LABEL: .word .L{{.*}}-osrcold 212; CHECK-NEXT: .hword 0 213; CHECK-NEXT: .hword 2 214; CHECK-NEXT: .byte 1 215; CHECK-NEXT: .byte 0 216; CHECK-NEXT: .hword 8 217; CHECK-NEXT: .hword {{[0-9]+}} 218; CHECK-NEXT: .hword 0 219; CHECK-NEXT: .word 0 220; CHECK-NEXT: .byte 1 221; CHECK-NEXT: .byte 0 222; CHECK-NEXT: .hword 8 223; CHECK-NEXT: .hword {{[0-9]+}} 224; CHECK-NEXT: .hword 0 225; CHECK-NEXT: .word 0 226define void @osrcold(i64 %a, i64 %b) { 227entry: 228 %test = icmp slt i64 %a, %b 229 br i1 %test, label %ret, label %cold 230cold: 231 ; OSR patchpoint with 12-byte nop-slide and 2 live vars. 232 %thunk = inttoptr i64 3735928559 to i8* 233 call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4, i32 16, i8* %thunk, i32 0, i64 %a, i64 %b) 234 unreachable 235ret: 236 ret void 237} 238 239; Property Read 240; CHECK-LABEL: .word .L{{.*}}-propertyRead 241; CHECK-NEXT: .hword 0 242; CHECK-NEXT: .hword 2 243; CHECK-NEXT: .byte 1 244; CHECK-NEXT: .byte 0 245; CHECK-NEXT: .hword 8 246; CHECK-NEXT: .hword {{[0-9]+}} 247; CHECK-NEXT: .hword 0 248; CHECK-NEXT: .word 0 249; CHECK-NEXT: .byte 1 250; CHECK-NEXT: .byte 0 251; CHECK-NEXT: .hword 8 252; CHECK-NEXT: .hword {{[0-9]+}} 253; CHECK-NEXT: .hword 0 254; CHECK-NEXT: .word 0 255define i64 @propertyRead(i64* %obj) { 256entry: 257 %resolveRead = inttoptr i64 3735928559 to i8* 258 %result = call anyregcc i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 16, i8* %resolveRead, i32 1, i64* %obj) 259 %add = add i64 %result, 3 260 ret i64 %add 261} 262 263; Property Write 264; CHECK-LABEL: .word .L{{.*}}-propertyWrite 265; CHECK-NEXT: .hword 0 266; CHECK-NEXT: .hword 2 267; CHECK-NEXT: .byte 1 268; CHECK-NEXT: .byte 0 269; CHECK-NEXT: .hword 8 270; CHECK-NEXT: .hword {{[0-9]+}} 271; CHECK-NEXT: .hword 0 272; CHECK-NEXT: .word 0 273; CHECK-NEXT: .byte 1 274; CHECK-NEXT: .byte 0 275; CHECK-NEXT: .hword 8 276; CHECK-NEXT: .hword {{[0-9]+}} 277; CHECK-NEXT: .hword 0 278; CHECK-NEXT: .word 0 279define void @propertyWrite(i64 %dummy1, i64* %obj, i64 %dummy2, i64 %a) { 280entry: 281 %resolveWrite = inttoptr i64 3735928559 to i8* 282 call anyregcc void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 6, i32 16, i8* %resolveWrite, i32 2, i64* %obj, i64 %a) 283 ret void 284} 285 286; Void JS Call 287; 288; 2 live variables in registers. 289; 290; CHECK-LABEL: .word .L{{.*}}-jsVoidCall 291; CHECK-NEXT: .hword 0 292; CHECK-NEXT: .hword 2 293; CHECK-NEXT: .byte 1 294; CHECK-NEXT: .byte 0 295; CHECK-NEXT: .hword 8 296; CHECK-NEXT: .hword {{[0-9]+}} 297; CHECK-NEXT: .hword 0 298; CHECK-NEXT: .word 0 299; CHECK-NEXT: .byte 1 300; CHECK-NEXT: .byte 0 301; CHECK-NEXT: .hword 8 302; CHECK-NEXT: .hword {{[0-9]+}} 303; CHECK-NEXT: .hword 0 304; CHECK-NEXT: .word 0 305define void @jsVoidCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) { 306entry: 307 %resolveCall = inttoptr i64 3735928559 to i8* 308 call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 7, i32 16, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2) 309 ret void 310} 311 312; i64 JS Call 313; 314; 2 live variables in registers. 315; 316; CHECK-LABEL: .word .L{{.*}}-jsIntCall 317; CHECK-NEXT: .hword 0 318; CHECK-NEXT: .hword 2 319; CHECK-NEXT: .byte 1 320; CHECK-NEXT: .byte 0 321; CHECK-NEXT: .hword 8 322; CHECK-NEXT: .hword {{[0-9]+}} 323; CHECK-NEXT: .hword 0 324; CHECK-NEXT: .word 0 325; CHECK-NEXT: .byte 1 326; CHECK-NEXT: .byte 0 327; CHECK-NEXT: .hword 8 328; CHECK-NEXT: .hword {{[0-9]+}} 329; CHECK-NEXT: .hword 0 330; CHECK-NEXT: .word 0 331define i64 @jsIntCall(i64 %dummy1, i64* %obj, i64 %arg, i64 %l1, i64 %l2) { 332entry: 333 %resolveCall = inttoptr i64 3735928559 to i8* 334 %result = call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 8, i32 16, i8* %resolveCall, i32 2, i64* %obj, i64 %arg, i64 %l1, i64 %l2) 335 %add = add i64 %result, 3 336 ret i64 %add 337} 338 339; Spilled stack map values. 340; 341; Verify 28 stack map entries. 342; 343; CHECK-LABEL: .word .L{{.*}}-spilledValue 344; CHECK-NEXT: .hword 0 345; CHECK-NEXT: .hword 28 346; 347; Check that at least one is a spilled entry from RBP. 348; Location: Indirect RBP + ... 349; CHECK: .byte 3 350; CHECK-NEXT: .byte 0 351; CHECK-NEXT: .hword 8 352; CHECK-NEXT: .hword 29 353; CHECK-NEXT: .hword 0 354; CHECK-NEXT: .word 355define void @spilledValue(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27) { 356entry: 357 call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 11, i32 20, i8* null, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27) 358 ret void 359} 360 361; Spilled stack map values. 362; 363; Verify 30 stack map entries. 364; 365; CHECK-LABEL: .word .L{{.*}}-spilledStackMapValue 366; CHECK-NEXT: .hword 0 367; CHECK-NEXT: .hword 30 368; 369; Check that at least one is a spilled entry from RBP. 370; Location: Indirect RBP + ... 371; CHECK: .byte 3 372; CHECK-NEXT: .byte 0 373; CHECK-NEXT: .hword 8 374; CHECK-NEXT: .hword 29 375; CHECK-NEXT: .hword 0 376; CHECK-NEXT: .word 377define webkit_jscc void @spilledStackMapValue(i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27, i64 %l28, i64 %l29) { 378entry: 379 call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 16, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i64 %l25, i64 %l26, i64 %l27, i64 %l28, i64 %l29) 380 ret void 381} 382 383; Map a constant value. 384; 385; CHECK-LABEL: .word .L{{.*}}-liveConstant 386; CHECK-NEXT: .hword 0 387; 1 location 388; CHECK-NEXT: .hword 1 389; Loc 0: SmallConstant 390; CHECK-NEXT: .byte 4 391; CHECK-NEXT: .byte 0 392; CHECK-NEXT: .hword 8 393; CHECK-NEXT: .hword 0 394; CHECK-NEXT: .hword 0 395; CHECK-NEXT: .word 33 396 397define void @liveConstant() { 398 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 4, i32 33) 399 ret void 400} 401 402; Directly map an alloca's address. 403; 404; Callsite 16 405; CHECK-LABEL: .word .L{{.*}}-directFrameIdx 406; CHECK-NEXT: .hword 0 407; 1 location 408; CHECK-NEXT: .hword 1 409; Loc 0: Direct RBP - ofs 410; CHECK-NEXT: .byte 2 411; CHECK-NEXT: .byte 0 412; CHECK-NEXT: .hword 8 413; CHECK-NEXT: .hword 29 414; CHECK-NEXT: .hword 0 415; CHECK-NEXT: .word 416 417; Callsite 17 418; CHECK-LABEL: .word .L{{.*}}-directFrameIdx 419; CHECK-NEXT: .hword 0 420; 2 locations 421; CHECK-NEXT: .hword 2 422; Loc 0: Direct RBP - ofs 423; CHECK-NEXT: .byte 2 424; CHECK-NEXT: .byte 0 425; CHECK-NEXT: .hword 8 426; CHECK-NEXT: .hword 29 427; CHECK-NEXT: .hword 0 428; CHECK-NEXT: .word 429; Loc 1: Direct RBP - ofs 430; CHECK-NEXT: .byte 2 431; CHECK-NEXT: .byte 0 432; CHECK-NEXT: .hword 8 433; CHECK-NEXT: .hword 29 434; CHECK-NEXT: .hword 0 435; CHECK-NEXT: .word 436define void @directFrameIdx() { 437entry: 438 %metadata1 = alloca i64, i32 3, align 8 439 store i64 11, i64* %metadata1 440 store i64 12, i64* %metadata1 441 store i64 13, i64* %metadata1 442 call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 0, i64* %metadata1) 443 %metadata2 = alloca i8, i32 4, align 8 444 %metadata3 = alloca i16, i32 4, align 8 445 call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 17, i32 4, i8* null, i32 0, i8* %metadata2, i16* %metadata3) 446 ret void 447} 448 449; Test a 64-bit ID. 450; 451; CHECK: .xword 4294967295 452; CHECK-LABEL: .word .L{{.*}}-longid 453; CHECK: .xword 4294967296 454; CHECK-LABEL: .word .L{{.*}}-longid 455; CHECK: .xword 9223372036854775807 456; CHECK-LABEL: .word .L{{.*}}-longid 457; CHECK: .xword -1 458; CHECK-LABEL: .word .L{{.*}}-longid 459define void @longid() { 460entry: 461 tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967295, i32 0, i8* null, i32 0) 462 tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967296, i32 0, i8* null, i32 0) 463 tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 9223372036854775807, i32 0, i8* null, i32 0) 464 tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 -1, i32 0, i8* null, i32 0) 465 ret void 466} 467 468; Map a value when R11 is the only free register. 469; The scratch register should not be used for a live stackmap value. 470; 471; CHECK-LABEL: .word .L{{.*}}-clobberLR 472; CHECK-NEXT: .hword 0 473; 1 location 474; CHECK-NEXT: .hword 1 475; Loc 0: Indirect fp - offset 476; CHECK-NEXT: .byte 3 477; CHECK-NEXT: .byte 0 478; CHECK-NEXT: .hword 4 479; CHECK-NEXT: .hword 29 480; CHECK-NEXT: .hword 0 481; CHECK-NEXT: .word -{{[0-9]+}} 482define void @clobberLR(i32 %a) { 483 tail call void asm sideeffect "nop", "~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{x29},~{x31}"() nounwind 484 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 8, i32 %a) 485 ret void 486} 487 488; A stack frame which needs to be realigned at runtime (to meet alignment 489; criteria for values on the stack) does not have a fixed frame size. 490; CHECK-LABEL: .word .L{{.*}}-needsStackRealignment 491; CHECK-NEXT: .hword 0 492; 0 locations 493; CHECK-NEXT: .hword 0 494define void @needsStackRealignment() { 495 %val = alloca i64, i32 3, align 128 496 tail call void (...) @escape_values(i64* %val) 497; Note: Adding any non-constant to the stackmap would fail because we 498; expected to be able to address off the frame pointer. In a realigned 499; frame, we must use the stack pointer instead. This is a separate bug. 500 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0) 501 ret void 502} 503declare void @escape_values(...) 504 505declare void @llvm.experimental.stackmap(i64, i32, ...) 506declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...) 507declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...) 508