; LLVM IR from Dev-XYS/Algorithms :: Least-Common-Ancestor(Tarjan) (main)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.qvertex = type { i32 }
%struct.qedge = type { i32, i32, i32 }

@QV = external dso_local global [100000 x %struct.qvertex], align 16
@QE = external dso_local global [100000 x %struct.qedge], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [29 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z8add_edgeii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z9add_qedgeii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z11initial_seti(i32 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3DFSii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 1, ptr %4, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %25, %0
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %28

19:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %5, ptr noundef %6)
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = load i32, ptr %6, align 4, !tbaa !5
  call void @_Z8add_edgeii(i32 noundef %21, i32 noundef %22)
  %23 = load i32, ptr %6, align 4, !tbaa !5
  %24 = load i32, ptr %5, align 4, !tbaa !5
  call void @_Z8add_edgeii(i32 noundef %23, i32 noundef %24)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %25

25:                                               ; preds = %19
  %26 = load i32, ptr %4, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %4, align 4, !tbaa !5
  br label %14, !llvm.loop !9

28:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %40, %28
  %30 = load i32, ptr %7, align 4, !tbaa !5
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %43

34:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  %35 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %8, ptr noundef %9)
  %36 = load i32, ptr %8, align 4, !tbaa !5
  %37 = load i32, ptr %9, align 4, !tbaa !5
  call void @_Z9add_qedgeii(i32 noundef %36, i32 noundef %37)
  %38 = load i32, ptr %9, align 4, !tbaa !5
  %39 = load i32, ptr %8, align 4, !tbaa !5
  call void @_Z9add_qedgeii(i32 noundef %38, i32 noundef %39)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %40

40:                                               ; preds = %34
  %41 = load i32, ptr %7, align 4, !tbaa !5
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %7, align 4, !tbaa !5
  br label %29, !llvm.loop !11

43:                                               ; preds = %33
  %44 = load i32, ptr %2, align 4, !tbaa !5
  call void @_Z11initial_seti(i32 noundef %44)
  call void @_Z3DFSii(i32 noundef 1, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 1, ptr %10, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %88, %43
  %46 = load i32, ptr %10, align 4, !tbaa !5
  %47 = load i32, ptr %2, align 4, !tbaa !5
  %48 = icmp sle i32 %46, %47
  br i1 %48, label %50, label %49

49:                                               ; preds = %45
  store i32 8, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %91

50:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  %51 = load i32, ptr %10, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [100000 x %struct.qvertex], ptr @QV, i64 0, i64 %52
  %54 = getelementptr inbounds %struct.qvertex, ptr %53, i32 0, i32 0
  %55 = load i32, ptr %54, align 4, !tbaa !12
  store i32 %55, ptr %12, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %81, %50
  %57 = load i32, ptr %12, align 4, !tbaa !5
  %58 = icmp ne i32 %57, 0
  br i1 %58, label %60, label %59

59:                                               ; preds = %56
  store i32 11, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %87

60:                                               ; preds = %56
  %61 = load i32, ptr %12, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds [100000 x %struct.qedge], ptr @QE, i64 0, i64 %62
  %64 = getelementptr inbounds %struct.qedge, ptr %63, i32 0, i32 2
  %65 = load i32, ptr %64, align 4, !tbaa !14
  %66 = icmp ne i32 %65, 0
  br i1 %66, label %67, label %80

67:                                               ; preds = %60
  %68 = load i32, ptr %10, align 4, !tbaa !5
  %69 = load i32, ptr %12, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [100000 x %struct.qedge], ptr @QE, i64 0, i64 %70
  %72 = getelementptr inbounds %struct.qedge, ptr %71, i32 0, i32 0
  %73 = load i32, ptr %72, align 4, !tbaa !16
  %74 = load i32, ptr %12, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds [100000 x %struct.qedge], ptr @QE, i64 0, i64 %75
  %77 = getelementptr inbounds %struct.qedge, ptr %76, i32 0, i32 2
  %78 = load i32, ptr %77, align 4, !tbaa !14
  %79 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %68, i32 noundef %73, i32 noundef %78)
  br label %80

80:                                               ; preds = %67, %60
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %12, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [100000 x %struct.qedge], ptr @QE, i64 0, i64 %83
  %85 = getelementptr inbounds %struct.qedge, ptr %84, i32 0, i32 1
  %86 = load i32, ptr %85, align 4, !tbaa !17
  store i32 %86, ptr %12, align 4, !tbaa !5
  br label %56, !llvm.loop !18

87:                                               ; preds = %59
  br label %88

88:                                               ; preds = %87
  %89 = load i32, ptr %10, align 4, !tbaa !5
  %90 = add nsw i32 %89, 1
  store i32 %90, ptr %10, align 4, !tbaa !5
  br label %45, !llvm.loop !19

91:                                               ; preds = %49
  store i32 0, ptr %1, align 4
  store i32 1, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %92 = load i32, ptr %1, align 4
  ret i32 %92
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #4

declare i32 @printf(ptr noundef, ...) #4

attributes #0 = { mustprogress 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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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" }
attributes #3 = { mustprogress norecurse 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" }
attributes #4 = { "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" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !6, i64 0}
!13 = !{!"_ZTS7qvertex", !6, i64 0}
!14 = !{!15, !6, i64 8}
!15 = !{!"_ZTS5qedge", !6, i64 0, !6, i64 4, !6, i64 8}
!16 = !{!15, !6, i64 0}
!17 = !{!15, !6, i64 4}
!18 = distinct !{!18, !10}
!19 = distinct !{!19, !10}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.qvertex = type { i32 }
%struct.qedge = type { i32, i32, i32 }

@QV = external dso_local local_unnamed_addr global [100000 x %struct.qvertex], align 16
@QE = external dso_local local_unnamed_addr global [100000 x %struct.qedge], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [29 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z8add_edgeii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z9add_qedgeii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z11initial_seti(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3DFSii(i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 1
  br i1 %9, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %0
  %10 = phi i32 [ %8, %0 ], [ %19, %.lr.ph ]
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %.lr.ph22, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01620 = phi i32 [ %18, %.lr.ph ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3, ptr noundef nonnull %4)
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = load i32, ptr %4, align 4, !tbaa !5
  call void @_Z8add_edgeii(i32 noundef %14, i32 noundef %15)
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z8add_edgeii(i32 noundef %16, i32 noundef %17)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  %18 = add nuw nsw i32 %.01620, 1
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge.loopexit:                             ; preds = %.lr.ph22
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %21 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %10, %.preheader ]
  call void @_Z11initial_seti(i32 noundef %21)
  call void @_Z3DFSii(i32 noundef 1, i32 noundef 0)
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %.not29 = icmp slt i32 %22, 1
  br i1 %.not29, label %._crit_edge33, label %.lr.ph32

.lr.ph22:                                         ; preds = %.preheader, %.lr.ph22
  %.01521 = phi i32 [ %28, %.lr.ph22 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #5
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %5, ptr noundef nonnull %6)
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = load i32, ptr %6, align 4, !tbaa !5
  call void @_Z9add_qedgeii(i32 noundef %24, i32 noundef %25)
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = load i32, ptr %5, align 4, !tbaa !5
  call void @_Z9add_qedgeii(i32 noundef %26, i32 noundef %27)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  %28 = add nuw nsw i32 %.01521, 1
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %.lr.ph22, label %._crit_edge.loopexit, !llvm.loop !11

._crit_edge33:                                    ; preds = %._crit_edge28, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0

.lr.ph32:                                         ; preds = %._crit_edge, %._crit_edge28
  %31 = phi i32 [ %34, %._crit_edge28 ], [ %22, %._crit_edge ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge28 ], [ 1, %._crit_edge ]
  %32 = getelementptr inbounds [100000 x %struct.qvertex], ptr @QV, i64 0, i64 %indvars.iv
  %.023 = load i32, ptr %32, align 4, !tbaa !5
  %.not1824 = icmp eq i32 %.023, 0
  br i1 %.not1824, label %._crit_edge28, label %.lr.ph27.preheader

.lr.ph27.preheader:                               ; preds = %.lr.ph32
  %33 = trunc nuw nsw i64 %indvars.iv to i32
  br label %.lr.ph27

._crit_edge28.loopexit:                           ; preds = %43
  %.pre35 = load i32, ptr %1, align 4, !tbaa !5
  br label %._crit_edge28

._crit_edge28:                                    ; preds = %._crit_edge28.loopexit, %.lr.ph32
  %34 = phi i32 [ %.pre35, %._crit_edge28.loopexit ], [ %31, %.lr.ph32 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %35 = sext i32 %34 to i64
  %.not.not = icmp slt i64 %indvars.iv, %35
  br i1 %.not.not, label %.lr.ph32, label %._crit_edge33, !llvm.loop !12

.lr.ph27:                                         ; preds = %.lr.ph27.preheader, %43
  %.025 = phi i32 [ %.0, %43 ], [ %.023, %.lr.ph27.preheader ]
  %36 = sext i32 %.025 to i64
  %37 = getelementptr inbounds [100000 x %struct.qedge], ptr @QE, i64 0, i64 %36
  %38 = getelementptr inbounds i8, ptr %37, i64 8
  %39 = load i32, ptr %38, align 4, !tbaa !13
  %.not19 = icmp eq i32 %39, 0
  br i1 %.not19, label %43, label %40

40:                                               ; preds = %.lr.ph27
  %41 = load i32, ptr %37, align 4, !tbaa !15
  %42 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %33, i32 noundef %41, i32 noundef %39)
  br label %43

43:                                               ; preds = %.lr.ph27, %40
  %44 = getelementptr inbounds i8, ptr %37, i64 4
  %.0 = load i32, ptr %44, align 4, !tbaa !5
  %.not18 = icmp eq i32 %.0, 0
  br i1 %.not18, label %._crit_edge28.loopexit, label %.lr.ph27, !llvm.loop !16
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

attributes #0 = { mustprogress 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" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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" }
attributes #3 = { mustprogress norecurse 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" }
attributes #4 = { nofree nounwind "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" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = !{!14, !6, i64 8}
!14 = !{!"_ZTS5qedge", !6, i64 0, !6, i64 4, !6, i64 8}
!15 = !{!14, !6, i64 0}
!16 = distinct !{!16, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass