1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506
|
; RUN: opt -passes='declare-to-assign,verify' %s -S -o - \
; RUN: | FileCheck %s --implicit-check-not="call void @llvm.dbg"
;; This test checks that `trackAssignments` is working correctly by using the
;; pass-wrapper `declare-to-assign`. Each function checks some specific
;; functionality and has its checks inline.
;; $ cat test.cpp
;; struct Inner { int A, B; };
;; struct Outer { Inner A, B; };
;; struct Large { int A[10]; };
;; struct LCopyCtor { int A[4]; LCopyCtor(); LCopyCtor(LCopyCtor const &); };
;; int Value, Index, Cond;
;; Inner InnerA, InnerB;
;; Large L;
;;
;; void zeroInit() { int Z[3] = {0, 0, 0}; }
;;
;; void memcpyInit() { int A[4] = {0, 1, 2, 3}; }
;;
;; void setField() {
;; Outer O;
;; O.A.B = Value;
;; }
;;
;; void unknownOffset() {
;; int A[2];
;; A[Index] = Value;
;; }
;;
;; Inner sharedAlloca() {
;; if (Cond) {
;; Inner A = InnerA;
;; return A;
;; } else {
;; Inner B = InnerB;
;; return B;
;; }
;; }
;;
;; Large sret() {
;; Large X = L;
;; return X;
;; }
;;
;; void byval(Large X) {}
;;
;; LCopyCtor indirectReturn() {
;; LCopyCtor R;
;; return R;
;; }
;;
;; $ clang++ -g test.cpp -o - -emit-llvm -S -Xclang -disable-llvm-passes -O2
;;
;; Then these functions are added manually to the IR using
;; $ clang++ -g test.cpp -o - -emit-llvm -S -O0
;; and removing the optnone attributes:
;;
;; __attribute__((always_inline))
;; int sqr(int Y) { return Y * Y; }
;; int fun(int X) { return sqr(X); }
source_filename = "test.cpp"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
%struct.Inner = type { i32, i32 }
%struct.Large = type { [10 x i32] }
%struct.Outer = type { %struct.Inner, %struct.Inner }
%struct.LCopyCtor = type { [4 x i32] }
@Value = dso_local global i32 0, align 4, !dbg !0
@Index = dso_local global i32 0, align 4, !dbg !5
@Cond = dso_local global i32 0, align 4, !dbg !8
@InnerA = dso_local global %struct.Inner zeroinitializer, align 4, !dbg !10
@InnerB = dso_local global %struct.Inner zeroinitializer, align 4, !dbg !16
@L = dso_local global %struct.Large zeroinitializer, align 4, !dbg !18
@__const._Z10memcpyInitv.A = private unnamed_addr constant [4 x i32] [i32 0, i32 1, i32 2, i32 3], align 16
;; Zero init with a memset.
;;
;; void zeroInit() { int Z[3] = {0, 0, 0}; }
;;
;; Check that we get two dbg.assign intrinsics. The first linked to the alloca
;; and the second linked to the zero-init-memset, which should have a constant 0
;; for the value component.
define dso_local void @_Z8zeroInitv() #0 !dbg !31 {
; CHECK-LABEL: define dso_local void @_Z8zeroInitv
entry:
%Z = alloca [3 x i32], align 4
; CHECK: %Z = alloca [3 x i32], align 4, !DIAssignID ![[ID_0:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_0:[0-9]+]], metadata !DIExpression(), metadata ![[ID_0]], metadata ptr %Z, metadata !DIExpression())
%0 = bitcast ptr %Z to ptr, !dbg !39
call void @llvm.lifetime.start.p0i8(i64 12, ptr %0) #5, !dbg !39
call void @llvm.dbg.declare(metadata ptr %Z, metadata !35, metadata !DIExpression()), !dbg !40
%1 = bitcast ptr %Z to ptr, !dbg !40
call void @llvm.memset.p0i8.i64(ptr align 4 %1, i8 0, i64 12, i1 false), !dbg !40
; CHECK: @llvm.memset{{.*}}, !DIAssignID ![[ID_1:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i8 0, metadata ![[VAR_0]], metadata !DIExpression(), metadata ![[ID_1]], metadata ptr %1, metadata !DIExpression())
%2 = bitcast ptr %Z to ptr, !dbg !41
call void @llvm.lifetime.end.p0i8(i64 12, ptr %2) #5, !dbg !41
ret void, !dbg !41
}
;; Init with a memcpy (from a global).
;;
;; void memcpyInit() { int A[4] = {0, 1, 2, 3}; }
;;
;; Check that we get two dbg.assign intrinsics. The first linked to the alloca
;; and the second linked to the initialising memcpy, which should have an Undef
;; value component.
define dso_local void @_Z10memcpyInitv() #0 !dbg !42 {
; CHECK-LABEL: define dso_local void @_Z10memcpyInitv
entry:
%A = alloca [4 x i32], align 16
; CHECK: %A = alloca [4 x i32], align 16, !DIAssignID ![[ID_2:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_1:[0-9]+]], metadata !DIExpression(), metadata ![[ID_2]], metadata ptr %A, metadata !DIExpression())
%0 = bitcast ptr %A to ptr, !dbg !48
call void @llvm.lifetime.start.p0i8(i64 16, ptr %0) #5, !dbg !48
call void @llvm.dbg.declare(metadata ptr %A, metadata !44, metadata !DIExpression()), !dbg !49
%1 = bitcast ptr %A to ptr, !dbg !49
call void @llvm.memcpy.p0i8.p0i8.i64(ptr align 16 %1, ptr align 16 bitcast (ptr @__const._Z10memcpyInitv.A to ptr), i64 16, i1 false), !dbg !49
; CHECK: @llvm.memcpy{{.*}}, !DIAssignID ![[ID_3:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_1]], metadata !DIExpression(), metadata ![[ID_3]], metadata ptr %1, metadata !DIExpression())
%2 = bitcast ptr %A to ptr, !dbg !50
call void @llvm.lifetime.end.p0i8(i64 16, ptr %2) #5, !dbg !50
ret void, !dbg !50
}
;; Assign to field of local variable.
;;
;; void setField() {
;; Outer O;
;; O.A.B = Value;
;; }
;;
;; Check that we get two dbg.assign intrinsics. The first linked to the alloca
;; and the second linked to the store to O.A.B, which should include the
;; appropriate fragment info (SizeInBits: 32, OffsetInBits: 32) with respect to
;; the base variable.
define dso_local void @_Z8setFieldv() #0 !dbg !51 {
; CHECK-LABEL: define dso_local void @_Z8setFieldv
entry:
%O = alloca %struct.Outer, align 4
; CHECK: %O = alloca %struct.Outer, align 4, !DIAssignID ![[ID_4:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_2:[0-9]+]], metadata !DIExpression(), metadata ![[ID_4]], metadata ptr %O, metadata !DIExpression())
%0 = bitcast ptr %O to ptr, !dbg !58
call void @llvm.lifetime.start.p0i8(i64 16, ptr %0) #5, !dbg !58
call void @llvm.dbg.declare(metadata ptr %O, metadata !53, metadata !DIExpression()), !dbg !59
%1 = load i32, ptr @Value, align 4, !dbg !60, !tbaa !61
%A = getelementptr inbounds %struct.Outer, ptr %O, i32 0, i32 0, !dbg !65
%B = getelementptr inbounds %struct.Inner, ptr %A, i32 0, i32 1, !dbg !66
store i32 %1, ptr %B, align 4, !dbg !67, !tbaa !68
; CHECK: store i32 %1, ptr %B, align 4,{{.*}}!DIAssignID ![[ID_5:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 %1, metadata ![[VAR_2]], metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata ![[ID_5]], metadata ptr %B, metadata !DIExpression())
%2 = bitcast ptr %O to ptr, !dbg !71
call void @llvm.lifetime.end.p0i8(i64 16, ptr %2) #5, !dbg !71
ret void, !dbg !71
}
;; Assign to (statically) unknown offset into a local variable.
;;
;; void unknownOffset() {
;; int A[2];
;; A[Index] = Value;
;; }
;;
;; Check that we get only one dbg.assign intrinsic and that it is linked to the
;; alloca. The assignment doesn't get a dbg.assign intrinsic because we cannot
;; encode the fragment info for the assignment.
;; Note: This doesn't mean we lose the assignment entirely: the backend will
;; interpret the store (as it sees it) as an assignment.
define dso_local void @_Z13unknownOffsetv() #0 !dbg !72 {
; CHECK-LABEL: define dso_local void @_Z13unknownOffsetv
entry:
%A = alloca [2 x i32], align 4
; CHECK: %A = alloca [2 x i32], align 4, !DIAssignID ![[ID_6:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_3:[0-9]+]], metadata !DIExpression(), metadata ![[ID_6]], metadata ptr %A, metadata !DIExpression())
%0 = bitcast ptr %A to ptr, !dbg !78
call void @llvm.lifetime.start.p0i8(i64 8, ptr %0) #5, !dbg !78
call void @llvm.dbg.declare(metadata ptr %A, metadata !74, metadata !DIExpression()), !dbg !79
%1 = load i32, ptr @Value, align 4, !dbg !80, !tbaa !61
%2 = load i32, ptr @Index, align 4, !dbg !81, !tbaa !61
%idxprom = sext i32 %2 to i64, !dbg !82
%arrayidx = getelementptr inbounds [2 x i32], ptr %A, i64 0, i64 %idxprom, !dbg !82
store i32 %1, ptr %arrayidx, align 4, !dbg !83, !tbaa !61
%3 = bitcast ptr %A to ptr, !dbg !84
call void @llvm.lifetime.end.p0i8(i64 8, ptr %3) #5, !dbg !84
ret void, !dbg !84
}
;; Assignments to variables which share the same backing storage.
;;
;; Inner sharedAlloca() {
;; if (Cond) {
;; Inner A = InnerA;
;; return A;
;; } else {
;; Inner B = InnerB;
;; return B;
;; }
;; }
;;
define dso_local i64 @_Z12sharedAllocav() #0 !dbg !85 {
; CHECK-LABEL: define dso_local i64 @_Z12sharedAllocav
entry:
%retval = alloca %struct.Inner, align 4
; CHECK: %retval = alloca %struct.Inner, align 4, !DIAssignID ![[ID_7:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_4:[0-9]+]], metadata !DIExpression(), metadata ![[ID_7]], metadata ptr %retval, metadata !DIExpression())
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_5:[0-9]+]], metadata !DIExpression(), metadata ![[ID_7]], metadata ptr %retval, metadata !DIExpression())
%0 = load i32, ptr @Cond, align 4, !dbg !94, !tbaa !61
%tobool = icmp ne i32 %0, 0, !dbg !94
br i1 %tobool, label %if.then, label %if.else, !dbg !95
if.then: ; preds = %entry
; CHECK: if.then:
call void @llvm.dbg.declare(metadata ptr %retval, metadata !89, metadata !DIExpression()), !dbg !96
%1 = bitcast ptr %retval to ptr, !dbg !97
call void @llvm.memcpy.p0i8.p0i8.i64(ptr align 4 %1, ptr align 4 bitcast (ptr @InnerA to ptr), i64 8, i1 false), !dbg !97, !tbaa.struct !98
; CHECK: call void @llvm.memcpy{{.*}}, !DIAssignID ![[ID_8:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_4]], metadata !DIExpression(), metadata ![[ID_8]], metadata ptr %1, metadata !DIExpression())
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_5]], metadata !DIExpression(), metadata ![[ID_8]], metadata ptr %1, metadata !DIExpression())
br label %return, !dbg !99
if.else: ; preds = %entry
; CHECK: if.else:
call void @llvm.dbg.declare(metadata ptr %retval, metadata !92, metadata !DIExpression()), !dbg !100
%2 = bitcast ptr %retval to ptr, !dbg !101
call void @llvm.memcpy.p0i8.p0i8.i64(ptr align 4 %2, ptr align 4 bitcast (ptr @InnerB to ptr), i64 8, i1 false), !dbg !101, !tbaa.struct !98
; CHECK: call void @llvm.memcpy{{.*}}, !DIAssignID ![[ID_9:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_4]], metadata !DIExpression(), metadata ![[ID_9]], metadata ptr %2, metadata !DIExpression())
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_5]], metadata !DIExpression(), metadata ![[ID_9]], metadata ptr %2, metadata !DIExpression())
br label %return, !dbg !102
return: ; preds = %if.else, %if.then
%3 = bitcast ptr %retval to ptr, !dbg !103
%4 = load i64, ptr %3, align 4, !dbg !103
ret i64 %4, !dbg !103
}
;; Caller-allocated memory for a local (sret parameter).
;;
;; Large sret() {
;; Large X = L;
;; return X;
;; }
;;
;; TODO: Currently not supported by `trackAssignments` (or the rest of the
;; assignment tracking pipeline). In lieu of being able to xfail a part of a
;; test, check that the dbg.declare is preserved so the test fails (and can be
;; updated) when this is fixed.
define dso_local void @_Z4sretv(ptr noalias sret(%struct.Large) align 4 %agg.result) #0 !dbg !104 {
; CHECK-LABEL: define dso_local void @_Z4sretv
entry:
; CHECK: call void @llvm.dbg.declare
call void @llvm.dbg.declare(metadata ptr %agg.result, metadata !108, metadata !DIExpression()), !dbg !109
%0 = bitcast ptr %agg.result to ptr, !dbg !110
call void @llvm.memcpy.p0i8.p0i8.i64(ptr align 4 %0, ptr align 4 bitcast (ptr @L to ptr), i64 40, i1 false), !dbg !110, !tbaa.struct !111
ret void, !dbg !113
}
;; Caller-allocated memory for a local (byval parameter).
;;
;; void byval(Large X) {}
;;
;; TODO: See comment for sret parameters above.
define dso_local void @_Z5byval5Large(ptr noundef byval(%struct.Large) align 8 %X) #0 !dbg !114 {
; CHECK-LABEL: define dso_local void @_Z5byval5Large
entry:
; CHECK: llvm.dbg.declare
call void @llvm.dbg.declare(metadata ptr %X, metadata !118, metadata !DIExpression()), !dbg !119
ret void, !dbg !120
}
;; Caller-allocated memory for a local (sret parameter) with address stored to
;; local alloca.
;;
;; LCopyCtor indirectReturn() {
;; LCopyCtor R;
;; return R;
;; }
;;
;; A sret parameter is used here also, but in this case clang emits an alloca
;; to store the passed-in address for the storage for the variable. The
;; dbg.declare for the local R therefore requires a DW_OP_deref expression.
;; TODO: This isn't supported yet, so check the dbg.declare remains.
define dso_local void @_Z14indirectReturnv(ptr noalias sret(%struct.LCopyCtor) align 4 %agg.result) #0 !dbg !121 {
; CHECK-LABEL: define dso_local void @_Z14indirectReturnv
entry:
%result.ptr = alloca ptr, align 8
%0 = bitcast ptr %agg.result to ptr
store ptr %0, ptr %result.ptr, align 8
call void @llvm.dbg.declare(metadata ptr %result.ptr, metadata !126, metadata !DIExpression(DW_OP_deref)), !dbg !127
; CHECK: call void @llvm.dbg.declare
call void @_ZN9LCopyCtorC1Ev(ptr noundef nonnull align 4 dereferenceable(16) %agg.result), !dbg !127
ret void, !dbg !128
}
;; Inlined variable.
;;
;; __attribute__((always_inline))
;; int sqr(int Y) { return Y * Y; }
;; int fun(int X) { return sqr(X); }
;;
;; Check that dbg.assign intrinsics correctly inherit the !dbg attachment from
;; the dbg.declre.
define dso_local noundef i32 @_Z3funi(i32 noundef %X) !dbg !139 {
; CHECK-LABEL: define dso_local noundef i32 @_Z3funi
entry:
%Y.addr.i = alloca i32, align 4
; CHECK: %Y.addr.i = alloca i32, align 4, !DIAssignID ![[ID_10:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_6:[0-9]+]], metadata !DIExpression(), metadata ![[ID_10]], metadata ptr %Y.addr.i, metadata !DIExpression()), !dbg ![[DBG_0:[0-9]+]]
%X.addr = alloca i32, align 4
; CHECK-NEXT: %X.addr = alloca i32, align 4, !DIAssignID ![[ID_11:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[VAR_7:[0-9]+]], metadata !DIExpression(), metadata ![[ID_11]], metadata ptr %X.addr, metadata !DIExpression()), !dbg ![[DBG_1:[0-9]+]]
store i32 %X, ptr %X.addr, align 4
; CHECK-NEXT: store i32 %X, ptr %X.addr, align 4, !DIAssignID ![[ID_12:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 %X, metadata ![[VAR_7]], metadata !DIExpression(), metadata ![[ID_12]], metadata ptr %X.addr, metadata !DIExpression()), !dbg ![[DBG_1]]
call void @llvm.dbg.declare(metadata ptr %X.addr, metadata !140, metadata !DIExpression()), !dbg !141
%0 = load i32, ptr %X.addr, align 4, !dbg !142
store i32 %0, ptr %Y.addr.i, align 4
; CHECK: store i32 %0, ptr %Y.addr.i, align 4, !DIAssignID ![[ID_13:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 %0, metadata ![[VAR_6]], metadata !DIExpression(), metadata ![[ID_13]], metadata ptr %Y.addr.i, metadata !DIExpression()), !dbg ![[DBG_0]]
call void @llvm.dbg.declare(metadata ptr %Y.addr.i, metadata !133, metadata !DIExpression()), !dbg !143
%1 = load i32, ptr %Y.addr.i, align 4, !dbg !145
%2 = load i32, ptr %Y.addr.i, align 4, !dbg !146
%mul.i = mul nsw i32 %1, %2, !dbg !147
ret i32 %mul.i, !dbg !148
}
declare void @llvm.lifetime.start.p0i8(i64 immarg, ptr nocapture) #1
declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
declare void @llvm.memset.p0i8.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3
declare void @llvm.memcpy.p0i8.p0i8.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4
declare void @llvm.lifetime.end.p0i8(i64 immarg, ptr nocapture) #1
declare dso_local void @_ZN9LCopyCtorC1Ev(ptr noundef nonnull align 4 dereferenceable(16)) unnamed_addr
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!26, !27, !28, !29, !1000}
!llvm.ident = !{!30}
; CHECK-DAG: ![[VAR_0]] = !DILocalVariable(name: "Z",
; CHECK-DAG: ![[VAR_1]] = !DILocalVariable(name: "A",
; CHECK-DAG: ![[VAR_2]] = !DILocalVariable(name: "O",
; CHECK-DAG: ![[VAR_3]] = !DILocalVariable(name: "A",
; CHECK-DAG: ![[VAR_4]] = !DILocalVariable(name: "B",
; CHECK-DAG: ![[VAR_5]] = !DILocalVariable(name: "A",
; CHECK-DAG: ![[VAR_6]] = !DILocalVariable(name: "Y", arg: 1, scope: ![[SQR:[0-9]+]],
; CHECK-DAG: ![[VAR_7]] = !DILocalVariable(name: "X", arg: 1, scope: ![[FUN:[0-9]+]],
; CHECK-DAG: ![[SQR]] = distinct !DISubprogram(name: "sqr",
; CHECK-DAG: ![[FUN]] = distinct !DISubprogram(name: "fun",
; CHECK-DAG: ![[DBG_0]] = !DILocation(line: 0, scope: ![[SQR]], inlinedAt: ![[SQR_INLINE_SITE:[0-9]+]])
; CHECK-DAG: [[SQR_INLINE_SITE]] = distinct !DILocation(line: 3, column: 25, scope: ![[FUN]])
; CHECK-DAG: ![[DBG_1]] = !DILocation(line: 0, scope: ![[FUN]])
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "Value", scope: !2, file: !3, line: 5, type: !7, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 14.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
!3 = !DIFile(filename: "test.cpp", directory: "/")
!4 = !{!0, !5, !8, !10, !16, !18}
!5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
!6 = distinct !DIGlobalVariable(name: "Index", scope: !2, file: !3, line: 5, type: !7, isLocal: false, isDefinition: true)
!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!8 = !DIGlobalVariableExpression(var: !9, expr: !DIExpression())
!9 = distinct !DIGlobalVariable(name: "Cond", scope: !2, file: !3, line: 5, type: !7, isLocal: false, isDefinition: true)
!10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression())
!11 = distinct !DIGlobalVariable(name: "InnerA", scope: !2, file: !3, line: 6, type: !12, isLocal: false, isDefinition: true)
!12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Inner", file: !3, line: 1, size: 64, flags: DIFlagTypePassByValue, elements: !13, identifier: "_ZTS5Inner")
!13 = !{!14, !15}
!14 = !DIDerivedType(tag: DW_TAG_member, name: "A", scope: !12, file: !3, line: 1, baseType: !7, size: 32)
!15 = !DIDerivedType(tag: DW_TAG_member, name: "B", scope: !12, file: !3, line: 1, baseType: !7, size: 32, offset: 32)
!16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression())
!17 = distinct !DIGlobalVariable(name: "InnerB", scope: !2, file: !3, line: 6, type: !12, isLocal: false, isDefinition: true)
!18 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression())
!19 = distinct !DIGlobalVariable(name: "L", scope: !2, file: !3, line: 7, type: !20, isLocal: false, isDefinition: true)
!20 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Large", file: !3, line: 3, size: 320, flags: DIFlagTypePassByValue, elements: !21, identifier: "_ZTS5Large")
!21 = !{!22}
!22 = !DIDerivedType(tag: DW_TAG_member, name: "A", scope: !20, file: !3, line: 3, baseType: !23, size: 320)
!23 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 320, elements: !24)
!24 = !{!25}
!25 = !DISubrange(count: 10)
!26 = !{i32 7, !"Dwarf Version", i32 5}
!27 = !{i32 2, !"Debug Info Version", i32 3}
!28 = !{i32 1, !"wchar_size", i32 4}
!29 = !{i32 7, !"uwtable", i32 1}
!30 = !{!"clang version 14.0.0"}
!31 = distinct !DISubprogram(name: "zeroInit", linkageName: "_Z8zeroInitv", scope: !3, file: !3, line: 9, type: !32, scopeLine: 9, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !34)
!32 = !DISubroutineType(types: !33)
!33 = !{null}
!34 = !{!35}
!35 = !DILocalVariable(name: "Z", scope: !31, file: !3, line: 9, type: !36)
!36 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 96, elements: !37)
!37 = !{!38}
!38 = !DISubrange(count: 3)
!39 = !DILocation(line: 9, column: 19, scope: !31)
!40 = !DILocation(line: 9, column: 23, scope: !31)
!41 = !DILocation(line: 9, column: 41, scope: !31)
!42 = distinct !DISubprogram(name: "memcpyInit", linkageName: "_Z10memcpyInitv", scope: !3, file: !3, line: 11, type: !32, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !43)
!43 = !{!44}
!44 = !DILocalVariable(name: "A", scope: !42, file: !3, line: 11, type: !45)
!45 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 128, elements: !46)
!46 = !{!47}
!47 = !DISubrange(count: 4)
!48 = !DILocation(line: 11, column: 21, scope: !42)
!49 = !DILocation(line: 11, column: 25, scope: !42)
!50 = !DILocation(line: 11, column: 46, scope: !42)
!51 = distinct !DISubprogram(name: "setField", linkageName: "_Z8setFieldv", scope: !3, file: !3, line: 13, type: !32, scopeLine: 13, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !52)
!52 = !{!53}
!53 = !DILocalVariable(name: "O", scope: !51, file: !3, line: 14, type: !54)
!54 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Outer", file: !3, line: 2, size: 128, flags: DIFlagTypePassByValue, elements: !55, identifier: "_ZTS5Outer")
!55 = !{!56, !57}
!56 = !DIDerivedType(tag: DW_TAG_member, name: "A", scope: !54, file: !3, line: 2, baseType: !12, size: 64)
!57 = !DIDerivedType(tag: DW_TAG_member, name: "B", scope: !54, file: !3, line: 2, baseType: !12, size: 64, offset: 64)
!58 = !DILocation(line: 14, column: 3, scope: !51)
!59 = !DILocation(line: 14, column: 9, scope: !51)
!60 = !DILocation(line: 15, column: 11, scope: !51)
!61 = !{!62, !62, i64 0}
!62 = !{!"int", !63, i64 0}
!63 = !{!"omnipotent char", !64, i64 0}
!64 = !{!"Simple C++ TBAA"}
!65 = !DILocation(line: 15, column: 5, scope: !51)
!66 = !DILocation(line: 15, column: 7, scope: !51)
!67 = !DILocation(line: 15, column: 9, scope: !51)
!68 = !{!69, !62, i64 4}
!69 = !{!"_ZTS5Outer", !70, i64 0, !70, i64 8}
!70 = !{!"_ZTS5Inner", !62, i64 0, !62, i64 4}
!71 = !DILocation(line: 16, column: 1, scope: !51)
!72 = distinct !DISubprogram(name: "unknownOffset", linkageName: "_Z13unknownOffsetv", scope: !3, file: !3, line: 18, type: !32, scopeLine: 18, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !73)
!73 = !{!74}
!74 = !DILocalVariable(name: "A", scope: !72, file: !3, line: 19, type: !75)
!75 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 64, elements: !76)
!76 = !{!77}
!77 = !DISubrange(count: 2)
!78 = !DILocation(line: 19, column: 3, scope: !72)
!79 = !DILocation(line: 19, column: 7, scope: !72)
!80 = !DILocation(line: 20, column: 14, scope: !72)
!81 = !DILocation(line: 20, column: 5, scope: !72)
!82 = !DILocation(line: 20, column: 3, scope: !72)
!83 = !DILocation(line: 20, column: 12, scope: !72)
!84 = !DILocation(line: 21, column: 1, scope: !72)
!85 = distinct !DISubprogram(name: "sharedAlloca", linkageName: "_Z12sharedAllocav", scope: !3, file: !3, line: 23, type: !86, scopeLine: 23, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !88)
!86 = !DISubroutineType(types: !87)
!87 = !{!12}
!88 = !{!89, !92}
!89 = !DILocalVariable(name: "A", scope: !90, file: !3, line: 25, type: !12)
!90 = distinct !DILexicalBlock(scope: !91, file: !3, line: 24, column: 13)
!91 = distinct !DILexicalBlock(scope: !85, file: !3, line: 24, column: 7)
!92 = !DILocalVariable(name: "B", scope: !93, file: !3, line: 28, type: !12)
!93 = distinct !DILexicalBlock(scope: !91, file: !3, line: 27, column: 10)
!94 = !DILocation(line: 24, column: 7, scope: !91)
!95 = !DILocation(line: 24, column: 7, scope: !85)
!96 = !DILocation(line: 25, column: 11, scope: !90)
!97 = !DILocation(line: 25, column: 15, scope: !90)
!98 = !{i64 0, i64 4, !61, i64 4, i64 4, !61}
!99 = !DILocation(line: 26, column: 5, scope: !90)
!100 = !DILocation(line: 28, column: 11, scope: !93)
!101 = !DILocation(line: 28, column: 15, scope: !93)
!102 = !DILocation(line: 29, column: 5, scope: !93)
!103 = !DILocation(line: 31, column: 1, scope: !85)
!104 = distinct !DISubprogram(name: "sret", linkageName: "_Z4sretv", scope: !3, file: !3, line: 33, type: !105, scopeLine: 33, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !107)
!105 = !DISubroutineType(types: !106)
!106 = !{!20}
!107 = !{!108}
!108 = !DILocalVariable(name: "X", scope: !104, file: !3, line: 34, type: !20)
!109 = !DILocation(line: 34, column: 9, scope: !104)
!110 = !DILocation(line: 34, column: 13, scope: !104)
!111 = !{i64 0, i64 40, !112}
!112 = !{!63, !63, i64 0}
!113 = !DILocation(line: 35, column: 3, scope: !104)
!114 = distinct !DISubprogram(name: "byval", linkageName: "_Z5byval5Large", scope: !3, file: !3, line: 38, type: !115, scopeLine: 38, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !117)
!115 = !DISubroutineType(types: !116)
!116 = !{null, !20}
!117 = !{!118}
!118 = !DILocalVariable(name: "X", arg: 1, scope: !114, file: !3, line: 38, type: !20)
!119 = !DILocation(line: 38, column: 18, scope: !114)
!120 = !DILocation(line: 38, column: 22, scope: !114)
!121 = distinct !DISubprogram(name: "indirectReturn", linkageName: "_Z14indirectReturnv", scope: !2, file: !3, line: 41, type: !122, scopeLine: 41, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !125)
!122 = !DISubroutineType(types: !123)
!123 = !{!124}
!124 = !DICompositeType(tag: DW_TAG_structure_type, name: "LCopyCtor", file: !3, line: 4, size: 128, flags: DIFlagFwdDecl | DIFlagNonTrivial, identifier: "_ZTS9LCopyCtor")
!125 = !{}
!126 = !DILocalVariable(name: "R", scope: !121, file: !3, line: 42, type: !124)
!127 = !DILocation(line: 42, column: 13, scope: !121)
!128 = !DILocation(line: 43, column: 3, scope: !121)
!129 = distinct !DISubprogram(name: "sqr", linkageName: "_Z3sqri", scope: !2, file: !3, line: 2, type: !130, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !132)
!130 = !DISubroutineType(types: !131)
!131 = !{!7, !7}
!132 = !{}
!133 = !DILocalVariable(name: "Y", arg: 1, scope: !129, file: !3, line: 2, type: !7)
!134 = !DILocation(line: 2, column: 13, scope: !129)
!135 = !DILocation(line: 2, column: 25, scope: !129)
!136 = !DILocation(line: 2, column: 29, scope: !129)
!137 = !DILocation(line: 2, column: 27, scope: !129)
!138 = !DILocation(line: 2, column: 18, scope: !129)
!139 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funi", scope: !2, file: !3, line: 3, type: !130, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !132)
!140 = !DILocalVariable(name: "X", arg: 1, scope: !139, file: !3, line: 3, type: !7)
!141 = !DILocation(line: 3, column: 13, scope: !139)
!142 = !DILocation(line: 3, column: 29, scope: !139)
!143 = !DILocation(line: 2, column: 13, scope: !129, inlinedAt: !144)
!144 = distinct !DILocation(line: 3, column: 25, scope: !139)
!145 = !DILocation(line: 2, column: 25, scope: !129, inlinedAt: !144)
!146 = !DILocation(line: 2, column: 29, scope: !129, inlinedAt: !144)
!147 = !DILocation(line: 2, column: 27, scope: !129, inlinedAt: !144)
!148 = !DILocation(line: 3, column: 18, scope: !139)
!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
|