derek.holloway
7502bf64a4
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166 lines
9.5 KiB
LLVM
166 lines
9.5 KiB
LLVM
; REQUIRES: asserts && x86-registered-target
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; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/pseudo-probe-stale-profile-toplev-func.prof --salvage-stale-profile --salvage-unused-profile -report-profile-staleness -S --debug-only=sample-profile,sample-profile-matcher,sample-profile-impl -pass-remarks=inline --min-call-count-for-cg-matching=0 --min-func-count-for-cg-matching=0 --load-func-profile-for-cg-matching 2>&1 | FileCheck %s -check-prefix=CHECK-TEXT
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; RUN: llvm-profdata merge --sample %S/Inputs/pseudo-probe-stale-profile-toplev-func.prof -extbinary -o %t.extbinary
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; RUN: opt < %s -passes=sample-profile -sample-profile-file=%t.extbinary --salvage-stale-profile --salvage-unused-profile -report-profile-staleness -S --debug-only=sample-profile,sample-profile-matcher,sample-profile-impl -pass-remarks=inline --min-call-count-for-cg-matching=0 --min-func-count-for-cg-matching=0 --load-func-profile-for-cg-matching 2>&1 | FileCheck %s -check-prefix=CHECK-EXTBIN
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; CHECK-TEXT: Run stale profile matching for main
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; CHECK-TEXT-NOT: Read top-level function foo for call-graph matching
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; CHECK-TEXT: The checksums for foo_rename(IR) and foo(Profile) match.
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; CHECK-TEXT: Function:foo_rename matches profile:foo
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; CHECK-TEXT: Run stale profile matching for foo_rename
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; CHECK-TEXT: (1/3) of functions' profile are matched and (2724522/3177413) of samples are reused by call graph matching.
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; CHECK-TEXT: Processing Function main
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; CHECK-TEXT: 5: call void @foo_rename(), !dbg ![[#]] - weight: 51
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; CHECK-TEXT: Processing Function foo_rename
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; CHECK-TEXT: 2: %call = call i32 @bar(i32 noundef %0), !dbg ![[#]] - weight: 452674
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; CHECK-EXTBIN: Run stale profile matching for main
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; CHECK-EXTBIN: Read top-level function foo for call-graph matching
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; CHECK-EXTBIN: The checksums for foo_rename(IR) and foo(Profile) match.
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; CHECK-EXTBIN: Function:foo_rename matches profile:foo
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; CHECK-EXTBIN: Run stale profile matching for foo_rename
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; CHECK-EXTBIN: (1/3) of functions' profile are matched and (2724522/3177413) of samples are reused by call graph matching.
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; CHECK-EXTBIN: Processing Function main
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; CHECK-EXTBIN: 5: call void @foo_rename(), !dbg ![[#]] - weight: 51
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; CHECK-EXTBIN: Processing Function foo_rename
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; CHECK-EXTBIN: 2: %call = call i32 @bar(i32 noundef %0), !dbg ![[#]] - weight: 452674
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@x = dso_local global i32 0, align 4, !dbg !0
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; Function Attrs: noinline nounwind uwtable
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define dso_local i32 @bar(i32 noundef %x) #0 !dbg !18 {
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entry:
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#dbg_value(i32 %x, !22, !DIExpression(), !23)
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call void @llvm.pseudoprobe(i64 -2012135647395072713, i64 1, i32 0, i64 -1), !dbg !24
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%add = add nsw i32 %x, 1, !dbg !25
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ret i32 %add, !dbg !26
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}
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; Function Attrs: noinline nounwind uwtable
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define dso_local void @foo_rename() #0 !dbg !27 {
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entry:
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call void @llvm.pseudoprobe(i64 -2115950948644264162, i64 1, i32 0, i64 -1), !dbg !30
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%0 = load volatile i32, ptr @x, align 4, !dbg !30, !tbaa !31
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%call = call i32 @bar(i32 noundef %0), !dbg !35
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%1 = load volatile i32, ptr @x, align 4, !dbg !37, !tbaa !31
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%add = add nsw i32 %1, %call, !dbg !37
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store volatile i32 %add, ptr @x, align 4, !dbg !37, !tbaa !31
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ret void, !dbg !38
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}
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; Function Attrs: nounwind uwtable
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define dso_local i32 @main() #1 !dbg !39 {
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entry:
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call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 1, i32 0, i64 -1), !dbg !45
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#dbg_value(i32 0, !43, !DIExpression(), !46)
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br label %for.cond, !dbg !47
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for.cond: ; preds = %for.body, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ], !dbg !48
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#dbg_value(i32 %i.0, !43, !DIExpression(), !46)
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call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 2, i32 0, i64 -1), !dbg !49
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%cmp = icmp slt i32 %i.0, 100000, !dbg !51
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br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !52
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for.cond.cleanup: ; preds = %for.cond
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call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 3, i32 0, i64 -1), !dbg !53
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call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 7, i32 0, i64 -1), !dbg !54
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ret i32 0, !dbg !54
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for.body: ; preds = %for.cond
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call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 4, i32 0, i64 -1), !dbg !55
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call void @foo_rename(), !dbg !57
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call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 6, i32 0, i64 -1), !dbg !59
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%inc = add nsw i32 %i.0, 1, !dbg !59
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#dbg_value(i32 %inc, !43, !DIExpression(), !46)
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br label %for.cond, !dbg !60, !llvm.loop !61
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}
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; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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declare void @llvm.lifetime.start.p0(ptr nocapture) #2
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; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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declare void @llvm.lifetime.end.p0(ptr nocapture) #2
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; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite)
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declare void @llvm.pseudoprobe(i64, i64, i32, i64) #3
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attributes #0 = { noinline nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" "use-sample-profile" }
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attributes #1 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" "use-sample-profile" }
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attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!7, !8, !9, !10, !11, !12, !13}
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!llvm.ident = !{!14}
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!llvm.pseudo_probe_desc = !{!15, !16, !17}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !5, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C11, file: !3, producer: "clang version 20.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
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!3 = !DIFile(filename: "test_rename.c", directory: "/home", checksumkind: CSK_MD5, checksum: "11a33a83e4d190ebda0792d0610f0c67")
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!4 = !{!0}
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!5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{i32 7, !"Dwarf Version", i32 5}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{i32 1, !"wchar_size", i32 4}
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!10 = !{i32 8, !"PIC Level", i32 2}
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!11 = !{i32 7, !"PIE Level", i32 2}
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!12 = !{i32 7, !"uwtable", i32 2}
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!13 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
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!14 = !{!"clang version 20.0.0"}
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!15 = !{i64 -2012135647395072713, i64 4294967295, !"bar"}
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!16 = !{i64 -2115950948644264162, i64 281479271677951, !"foo_rename"}
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!17 = !{i64 -2624081020897602054, i64 281582264815352, !"main"}
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!18 = distinct !DISubprogram(name: "bar", scope: !3, file: !3, line: 3, type: !19, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !21)
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!19 = !DISubroutineType(types: !20)
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!20 = !{!6, !6}
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!21 = !{!22}
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!22 = !DILocalVariable(name: "x", arg: 1, scope: !18, file: !3, line: 3, type: !6)
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!23 = !DILocation(line: 0, scope: !18)
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!24 = !DILocation(line: 4, column: 10, scope: !18)
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!25 = !DILocation(line: 4, column: 12, scope: !18)
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!26 = !DILocation(line: 4, column: 3, scope: !18)
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!27 = distinct !DISubprogram(name: "foo_rename", scope: !3, file: !3, line: 7, type: !28, scopeLine: 7, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
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!28 = !DISubroutineType(types: !29)
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!29 = !{null}
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!30 = !DILocation(line: 8, column: 15, scope: !27)
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!31 = !{!32, !32, i64 0}
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!32 = !{!"int", !33, i64 0}
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!33 = !{!"omnipotent char", !34, i64 0}
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!34 = !{!"Simple C/C++ TBAA"}
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!35 = !DILocation(line: 8, column: 11, scope: !36)
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!36 = !DILexicalBlockFile(scope: !27, file: !3, discriminator: 455082007)
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!37 = !DILocation(line: 8, column: 8, scope: !27)
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!38 = !DILocation(line: 9, column: 1, scope: !27)
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!39 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 11, type: !40, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !42)
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!40 = !DISubroutineType(types: !41)
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!41 = !{!6}
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!42 = !{!43}
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!43 = !DILocalVariable(name: "i", scope: !44, file: !3, line: 12, type: !6)
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!44 = distinct !DILexicalBlock(scope: !39, file: !3, line: 12, column: 3)
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!45 = !DILocation(line: 12, column: 12, scope: !44)
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!46 = !DILocation(line: 0, scope: !44)
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!47 = !DILocation(line: 12, column: 8, scope: !44)
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!48 = !DILocation(line: 12, scope: !44)
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!49 = !DILocation(line: 12, column: 19, scope: !50)
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!50 = distinct !DILexicalBlock(scope: !44, file: !3, line: 12, column: 3)
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!51 = !DILocation(line: 12, column: 21, scope: !50)
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!52 = !DILocation(line: 12, column: 3, scope: !44)
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!53 = !DILocation(line: 0, scope: !39)
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!54 = !DILocation(line: 15, column: 1, scope: !39)
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!55 = !DILocation(line: 13, column: 7, scope: !56)
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!56 = distinct !DILexicalBlock(scope: !50, file: !3, line: 12, column: 40)
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!57 = !DILocation(line: 13, column: 7, scope: !58)
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!58 = !DILexicalBlockFile(scope: !56, file: !3, discriminator: 455082031)
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!59 = !DILocation(line: 12, column: 36, scope: !50)
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!60 = !DILocation(line: 12, column: 3, scope: !50)
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!61 = distinct !{!61, !52, !62, !63}
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!62 = !DILocation(line: 14, column: 3, scope: !44)
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!63 = !{!"llvm.loop.mustprogress"}
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