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clang-p2996/llvm/test/DebugInfo/Generic/assignment-tracking/inline/inline-stores.ll
OCHyams e3cd498ff7 [Assignment Tracking][21/*] Account for assignment tracking in inliner 
The Assignment Tracking debug-info feature is outlined in this RFC:

https://discourse.llvm.org/t/
rfc-assignment-tracking-a-better-way-of-specifying-variable-locations-in-ir

The inliner requires two additions:

fixupAssignments - Update inlined instructions' DIAssignID metadata so that
inlined DIAssignID attachments are unique to the inlined instance.

trackInlinedStores - Treat inlined stores to caller-local variables
(i.e. callee stores to argument pointers that point to the caller's allocas) as
assignments. Track them using trackAssignments, which is the same method as is
used by the AssignmentTrackingPass. This means that we're able to detect stale
memory locations due to DSE after inlining. Because the stores are only tracked
_after_ inlining, any DSE or movement of stores _before_ inlining will not be
accounted for. This is an accepted limitation mentioned in the RFC.

One change is also required:

Update CloneBlock to preserve debug use-before-defs. Otherwise the assignments
will be dropped due to having the intrinsic operands replaced with empty
metadata (see use-before-def.ll in this patch and this related discourse post.

Reviewed By: jmorse

Differential Revision: https://reviews.llvm.org/D133318
2022-11-18 11:55:05 +00:00

341 lines
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; RUN: opt -passes=inline %s -S -o - -experimental-assignment-tracking \
; RUN: | FileCheck %s
;; $ cat test.cpp
;; __attribute__((always_inline))
;; static void a(int* p2, int v2) { *p2 = v2; }
;;
;; __attribute__((always_inline))
;; void b(int* p1, int v1) { a(p1, v1); }
;;
;; int f1() {
;; int f1_local;
;; a(&f1_local, 1);
;; return f1_local;
;; }
;;
;; int f2() {
;; int f2_local[2];
;; a(f2_local, 2);
;; return f2_local[0];
;; }
;;
;; int f3() {
;; int f3_local[2];
;; a(f3_local + 1, 3);
;; return f3_local[1];
;; }
;;
;; int f4(int f4_param) {
;; a(&f4_param, 4);
;; return f4_param;
;; }
;;
;; int f5(int f5_param) {
;; int &f5_alias = f5_param;
;; a(&f5_alias, 5);
;; return f5_param;
;; }
;;
;; int f6() {
;; int f6_local;
;; b(&f6_local, 6);
;; return f6_local;
;; }
;;
;; IR generated with:
;; $ clang++ -Xclang -disable-llvm-passes test.cpp -g -O2 -o - -S -emit-llvm \
;; | opt -passes=declare-to-assign,sroa -o - -S
;;
;; Check that inlined stores are tracked as assignments. FileCheck directives
;; inline.
source_filename = "test.cpp"
define dso_local void @_Z1bPii(ptr %p1, i32 %v1) #0 !dbg !7 {
entry:
call void @llvm.dbg.assign(metadata i1 undef, metadata !13, metadata !DIExpression(), metadata !15, metadata ptr undef, metadata !DIExpression()), !dbg !16
call void @llvm.dbg.assign(metadata i1 undef, metadata !14, metadata !DIExpression(), metadata !17, metadata ptr undef, metadata !DIExpression()), !dbg !16
call void @llvm.dbg.assign(metadata ptr %p1, metadata !13, metadata !DIExpression(), metadata !18, metadata ptr undef, metadata !DIExpression()), !dbg !16
call void @llvm.dbg.assign(metadata i32 %v1, metadata !14, metadata !DIExpression(), metadata !19, metadata ptr undef, metadata !DIExpression()), !dbg !16
call void @_ZL1aPii(ptr %p1, i32 %v1), !dbg !20
ret void, !dbg !21
}
define internal void @_ZL1aPii(ptr %p2, i32 %v2) #2 !dbg !22 {
entry:
call void @llvm.dbg.assign(metadata i1 undef, metadata !24, metadata !DIExpression(), metadata !26, metadata ptr undef, metadata !DIExpression()), !dbg !27
call void @llvm.dbg.assign(metadata i1 undef, metadata !25, metadata !DIExpression(), metadata !28, metadata ptr undef, metadata !DIExpression()), !dbg !27
call void @llvm.dbg.assign(metadata ptr %p2, metadata !24, metadata !DIExpression(), metadata !29, metadata ptr undef, metadata !DIExpression()), !dbg !27
call void @llvm.dbg.assign(metadata i32 %v2, metadata !25, metadata !DIExpression(), metadata !30, metadata ptr undef, metadata !DIExpression()), !dbg !27
store i32 %v2, ptr %p2, align 4, !dbg !31
ret void, !dbg !36
}
;; Store directly to local with one level of inlining. Also record f1_dbg to
;; check that the dbg.assign gets the correct scope after inlining. This check
;; isn't repeated for the other functions.
;; int f1() {
;; int f1_local;
;; a(&f1_local, 1);
;; return f1_local;
;; }
;;
; CHECK-LABEL: define dso_local i32 @_Z2f1v()
; CHECK: store i32 1, ptr %f1_local, align 4,{{.*}} !DIAssignID ![[ID_1:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 1, metadata ![[f1_local:[0-9]+]], metadata !DIExpression(), metadata ![[ID_1]], metadata ptr %f1_local, metadata !DIExpression()), !dbg ![[f1_dbg:[0-9]+]]
define dso_local i32 @_Z2f1v() #3 !dbg !37 {
entry:
%f1_local = alloca i32, align 4, !DIAssignID !42
call void @llvm.dbg.assign(metadata i1 undef, metadata !41, metadata !DIExpression(), metadata !42, metadata ptr %f1_local, metadata !DIExpression()), !dbg !43
%0 = bitcast ptr %f1_local to ptr, !dbg !44
call void @llvm.lifetime.start.p0i8(i64 4, ptr %0) #5, !dbg !44
call void @_ZL1aPii(ptr %f1_local, i32 1), !dbg !45
%1 = load i32, ptr %f1_local, align 4, !dbg !46
%2 = bitcast ptr %f1_local to ptr, !dbg !47
call void @llvm.lifetime.end.p0i8(i64 4, ptr %2) #5, !dbg !47
ret i32 %1, !dbg !48
}
;; Store directly to fragment of local at its base address.
;; int f2() {
;; int f2_local[2];
;; a(f2_local, 2);
;; return f2_local[0];
;; }
;;
; CHECK-LABEL: define dso_local i32 @_Z2f2v()
; CHECK: store i32 2, ptr %arraydecay, align 4,{{.*}} !DIAssignID ![[ID_2:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 2, metadata ![[f2_local:[0-9]+]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata ![[ID_2]], metadata ptr %arraydecay, metadata !DIExpression())
define dso_local i32 @_Z2f2v() #3 !dbg !49 {
entry:
%f2_local = alloca [2 x i32], align 4, !DIAssignID !55
call void @llvm.dbg.assign(metadata i1 undef, metadata !51, metadata !DIExpression(), metadata !55, metadata ptr %f2_local, metadata !DIExpression()), !dbg !56
%0 = bitcast ptr %f2_local to ptr, !dbg !57
call void @llvm.lifetime.start.p0i8(i64 8, ptr %0) #5, !dbg !57
%arraydecay = getelementptr inbounds [2 x i32], ptr %f2_local, i64 0, i64 0, !dbg !58
call void @_ZL1aPii(ptr %arraydecay, i32 2), !dbg !59
%arrayidx = getelementptr inbounds [2 x i32], ptr %f2_local, i64 0, i64 0, !dbg !60
%1 = load i32, ptr %arrayidx, align 4, !dbg !60
%2 = bitcast ptr %f2_local to ptr, !dbg !61
call void @llvm.lifetime.end.p0i8(i64 8, ptr %2) #5, !dbg !61
ret i32 %1, !dbg !62
}
;; Store to fragment of local using rvalue offset as argument.
;; int f3() {
;; int f3_local[2];
;; a(f3_local + 1, 3);
;; return f3_local[1];
;; }
; CHECK-LABEL: define dso_local i32 @_Z2f3v()
; CHECK: store i32 3, ptr %add.ptr, align 4,{{.*}} !DIAssignID ![[ID_3:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 3, metadata ![[f3_local:[0-9]+]], metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata ![[ID_3]], metadata ptr %add.ptr, metadata !DIExpression())
define dso_local i32 @_Z2f3v() #3 !dbg !63 {
entry:
%f3_local = alloca [2 x i32], align 4, !DIAssignID !66
call void @llvm.dbg.assign(metadata i1 undef, metadata !65, metadata !DIExpression(), metadata !66, metadata ptr %f3_local, metadata !DIExpression()), !dbg !67
%0 = bitcast ptr %f3_local to ptr, !dbg !68
call void @llvm.lifetime.start.p0i8(i64 8, ptr %0) #5, !dbg !68
%arraydecay = getelementptr inbounds [2 x i32], ptr %f3_local, i64 0, i64 0, !dbg !69
%add.ptr = getelementptr inbounds i32, ptr %arraydecay, i64 1, !dbg !70
call void @_ZL1aPii(ptr %add.ptr, i32 3), !dbg !71
%arrayidx = getelementptr inbounds [2 x i32], ptr %f3_local, i64 0, i64 1, !dbg !72
%1 = load i32, ptr %arrayidx, align 4, !dbg !72
%2 = bitcast ptr %f3_local to ptr, !dbg !73
call void @llvm.lifetime.end.p0i8(i64 8, ptr %2) #5, !dbg !73
ret i32 %1, !dbg !74
}
;; Store to parameter directly.
;; int f4(int f4_param) {
;; a(&f4_param, 4);
;; return f4_param;
;; }
; CHECK-LABEL: define dso_local i32 @_Z2f4i(i32 %f4_param)
; CHECK: store i32 4, ptr %f4_param.addr, align 4,{{.*}} !DIAssignID ![[ID_4:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 4, metadata ![[f4_param:[0-9]+]], metadata !DIExpression(), metadata ![[ID_4]], metadata ptr %f4_param.addr, metadata !DIExpression())
define dso_local i32 @_Z2f4i(i32 %f4_param) #3 !dbg !75 {
entry:
%f4_param.addr = alloca i32, align 4, !DIAssignID !80
call void @llvm.dbg.assign(metadata i1 undef, metadata !79, metadata !DIExpression(), metadata !80, metadata ptr %f4_param.addr, metadata !DIExpression()), !dbg !81
store i32 %f4_param, ptr %f4_param.addr, align 4, !DIAssignID !82
call void @llvm.dbg.assign(metadata i32 %f4_param, metadata !79, metadata !DIExpression(), metadata !82, metadata ptr %f4_param.addr, metadata !DIExpression()), !dbg !81
call void @_ZL1aPii(ptr %f4_param.addr, i32 4), !dbg !83
%0 = load i32, ptr %f4_param.addr, align 4, !dbg !84
ret i32 %0, !dbg !85
}
;; Store through an alias.
;; int f5(int f5_param) {
;; int &f5_alias = f5_param;
;; a(&f5_alias, 5);
;; return f5_param;
;; }
; CHECK-LABEL: define dso_local i32 @_Z2f5i(i32 %f5_param)
; CHECK: store i32 5, ptr %f5_param.addr, align 4,{{.*}}!DIAssignID ![[ID_5:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 5, metadata ![[f5_param:[0-9]+]], metadata !DIExpression(), metadata ![[ID_5]], metadata ptr %f5_param.addr, metadata !DIExpression())
define dso_local i32 @_Z2f5i(i32 %f5_param) #3 !dbg !86 {
entry:
%f5_param.addr = alloca i32, align 4, !DIAssignID !91
call void @llvm.dbg.assign(metadata i1 undef, metadata !88, metadata !DIExpression(), metadata !91, metadata ptr %f5_param.addr, metadata !DIExpression()), !dbg !92
call void @llvm.dbg.assign(metadata i1 undef, metadata !89, metadata !DIExpression(), metadata !93, metadata ptr undef, metadata !DIExpression()), !dbg !92
store i32 %f5_param, ptr %f5_param.addr, align 4, !DIAssignID !94
call void @llvm.dbg.assign(metadata i32 %f5_param, metadata !88, metadata !DIExpression(), metadata !94, metadata ptr %f5_param.addr, metadata !DIExpression()), !dbg !92
call void @llvm.dbg.assign(metadata ptr %f5_param.addr, metadata !89, metadata !DIExpression(), metadata !95, metadata ptr undef, metadata !DIExpression()), !dbg !92
call void @_ZL1aPii(ptr %f5_param.addr, i32 5), !dbg !96
%0 = load i32, ptr %f5_param.addr, align 4, !dbg !97
ret i32 %0, !dbg !98
}
;; int f6() {
;; int f6_local;
;; b(&f6_local, 6);
;; return f6_local;
;; }
; CHECK-LABEL: define dso_local i32 @_Z2f6v()
; CHECK: store i32 6, ptr %f6_local, align 4,{{.*}} !DIAssignID ![[ID_6:[0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 6, metadata ![[f6_local:[0-9]+]], metadata !DIExpression(), metadata ![[ID_6]], metadata ptr %f6_local, metadata !DIExpression())
define dso_local i32 @_Z2f6v() #3 !dbg !99 {
entry:
%f6_local = alloca i32, align 4, !DIAssignID !102
call void @llvm.dbg.assign(metadata i1 undef, metadata !101, metadata !DIExpression(), metadata !102, metadata ptr %f6_local, metadata !DIExpression()), !dbg !103
%0 = bitcast ptr %f6_local to ptr, !dbg !104
call void @llvm.lifetime.start.p0i8(i64 4, ptr %0) #5, !dbg !104
call void @_Z1bPii(ptr %f6_local, i32 6), !dbg !105
%1 = load i32, ptr %f6_local, align 4, !dbg !106
%2 = bitcast ptr %f6_local to ptr, !dbg !107
call void @llvm.lifetime.end.p0i8(i64 4, ptr %2) #5, !dbg !107
ret i32 %1, !dbg !108
}
declare void @llvm.lifetime.start.p0i8(i64 immarg, ptr nocapture)
declare void @llvm.lifetime.end.p0i8(i64 immarg, ptr nocapture)
declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)
; CHECK-DAG: ![[f1_local]] = !DILocalVariable(name: "f1_local",
; CHECK-DAG: ![[f2_local]] = !DILocalVariable(name: "f2_local",
; CHECK-DAG: ![[f3_local]] = !DILocalVariable(name: "f3_local",
; CHECK-DAG: ![[f4_param]] = !DILocalVariable(name: "f4_param",
; CHECK-DAG: ![[f5_param]] = !DILocalVariable(name: "f5_param",
; CHECK-DAG: ![[f6_local]] = !DILocalVariable(name: "f6_local",
; CHECK-DAG: ![[f1_dbg]] = !DILocation(line: 0, scope: ![[f1_scope:[0-9]+]])
; CHECK-DAG: ![[f1_scope]] = distinct !DISubprogram(name: "f1",
; CHECK-DAG: [[ID_1]] = distinct !DIAssignID()
; CHECK-DAG: [[ID_2]] = distinct !DIAssignID()
; CHECK-DAG: [[ID_3]] = distinct !DIAssignID()
; CHECK-DAG: [[ID_4]] = distinct !DIAssignID()
; CHECK-DAG: [[ID_5]] = distinct !DIAssignID()
; CHECK-DAG: [[ID_6]] = distinct !DIAssignID()
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}
!llvm.ident = !{!6}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
!1 = !DIFile(filename: "test.cpp", directory: "/")
!2 = !{}
!3 = !{i32 7, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{!"clang version 12.0.0)"}
!7 = distinct !DISubprogram(name: "b", linkageName: "_Z1bPii", scope: !1, file: !1, line: 5, type: !8, scopeLine: 5, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !12)
!8 = !DISubroutineType(types: !9)
!9 = !{null, !10, !11}
!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!12 = !{!13, !14}
!13 = !DILocalVariable(name: "p1", arg: 1, scope: !7, file: !1, line: 5, type: !10)
!14 = !DILocalVariable(name: "v1", arg: 2, scope: !7, file: !1, line: 5, type: !11)
!15 = distinct !DIAssignID()
!16 = !DILocation(line: 0, scope: !7)
!17 = distinct !DIAssignID()
!18 = distinct !DIAssignID()
!19 = distinct !DIAssignID()
!20 = !DILocation(line: 5, column: 27, scope: !7)
!21 = !DILocation(line: 5, column: 38, scope: !7)
!22 = distinct !DISubprogram(name: "a", linkageName: "_ZL1aPii", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !23)
!23 = !{!24, !25}
!24 = !DILocalVariable(name: "p2", arg: 1, scope: !22, file: !1, line: 2, type: !10)
!25 = !DILocalVariable(name: "v2", arg: 2, scope: !22, file: !1, line: 2, type: !11)
!26 = distinct !DIAssignID()
!27 = !DILocation(line: 0, scope: !22)
!28 = distinct !DIAssignID()
!29 = distinct !DIAssignID()
!30 = distinct !DIAssignID()
!31 = !DILocation(line: 2, column: 38, scope: !22)
!36 = !DILocation(line: 2, column: 44, scope: !22)
!37 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", scope: !1, file: !1, line: 7, type: !38, scopeLine: 7, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !40)
!38 = !DISubroutineType(types: !39)
!39 = !{!11}
!40 = !{!41}
!41 = !DILocalVariable(name: "f1_local", scope: !37, file: !1, line: 8, type: !11)
!42 = distinct !DIAssignID()
!43 = !DILocation(line: 0, scope: !37)
!44 = !DILocation(line: 8, column: 3, scope: !37)
!45 = !DILocation(line: 9, column: 3, scope: !37)
!46 = !DILocation(line: 10, column: 10, scope: !37)
!47 = !DILocation(line: 11, column: 1, scope: !37)
!48 = !DILocation(line: 10, column: 3, scope: !37)
!49 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", scope: !1, file: !1, line: 13, type: !38, scopeLine: 13, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !50)
!50 = !{!51}
!51 = !DILocalVariable(name: "f2_local", scope: !49, file: !1, line: 14, type: !52)
!52 = !DICompositeType(tag: DW_TAG_array_type, baseType: !11, size: 64, elements: !53)
!53 = !{!54}
!54 = !DISubrange(count: 2)
!55 = distinct !DIAssignID()
!56 = !DILocation(line: 0, scope: !49)
!57 = !DILocation(line: 14, column: 3, scope: !49)
!58 = !DILocation(line: 15, column: 5, scope: !49)
!59 = !DILocation(line: 15, column: 3, scope: !49)
!60 = !DILocation(line: 16, column: 10, scope: !49)
!61 = !DILocation(line: 17, column: 1, scope: !49)
!62 = !DILocation(line: 16, column: 3, scope: !49)
!63 = distinct !DISubprogram(name: "f3", linkageName: "_Z2f3v", scope: !1, file: !1, line: 19, type: !38, scopeLine: 19, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !64)
!64 = !{!65}
!65 = !DILocalVariable(name: "f3_local", scope: !63, file: !1, line: 20, type: !52)
!66 = distinct !DIAssignID()
!67 = !DILocation(line: 0, scope: !63)
!68 = !DILocation(line: 20, column: 3, scope: !63)
!69 = !DILocation(line: 21, column: 5, scope: !63)
!70 = !DILocation(line: 21, column: 14, scope: !63)
!71 = !DILocation(line: 21, column: 3, scope: !63)
!72 = !DILocation(line: 22, column: 10, scope: !63)
!73 = !DILocation(line: 23, column: 1, scope: !63)
!74 = !DILocation(line: 22, column: 3, scope: !63)
!75 = distinct !DISubprogram(name: "f4", linkageName: "_Z2f4i", scope: !1, file: !1, line: 25, type: !76, scopeLine: 25, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !78)
!76 = !DISubroutineType(types: !77)
!77 = !{!11, !11}
!78 = !{!79}
!79 = !DILocalVariable(name: "f4_param", arg: 1, scope: !75, file: !1, line: 25, type: !11)
!80 = distinct !DIAssignID()
!81 = !DILocation(line: 0, scope: !75)
!82 = distinct !DIAssignID()
!83 = !DILocation(line: 26, column: 3, scope: !75)
!84 = !DILocation(line: 27, column: 10, scope: !75)
!85 = !DILocation(line: 27, column: 3, scope: !75)
!86 = distinct !DISubprogram(name: "f5", linkageName: "_Z2f5i", scope: !1, file: !1, line: 30, type: !76, scopeLine: 30, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !87)
!87 = !{!88, !89}
!88 = !DILocalVariable(name: "f5_param", arg: 1, scope: !86, file: !1, line: 30, type: !11)
!89 = !DILocalVariable(name: "f5_alias", scope: !86, file: !1, line: 31, type: !90)
!90 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !11, size: 64)
!91 = distinct !DIAssignID()
!92 = !DILocation(line: 0, scope: !86)
!93 = distinct !DIAssignID()
!94 = distinct !DIAssignID()
!95 = distinct !DIAssignID()
!96 = !DILocation(line: 32, column: 3, scope: !86)
!97 = !DILocation(line: 33, column: 10, scope: !86)
!98 = !DILocation(line: 33, column: 3, scope: !86)
!99 = distinct !DISubprogram(name: "f6", linkageName: "_Z2f6v", scope: !1, file: !1, line: 36, type: !38, scopeLine: 36, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !100)
!100 = !{!101}
!101 = !DILocalVariable(name: "f6_local", scope: !99, file: !1, line: 37, type: !11)
!102 = distinct !DIAssignID()
!103 = !DILocation(line: 0, scope: !99)
!104 = !DILocation(line: 37, column: 3, scope: !99)
!105 = !DILocation(line: 38, column: 3, scope: !99)
!106 = !DILocation(line: 39, column: 10, scope: !99)
!107 = !DILocation(line: 40, column: 1, scope: !99)
!108 = !DILocation(line: 39, column: 3, scope: !99)
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