; LLVM IR from Dev-XYS/Algorithms :: Eulerian-Tour(Digraph) (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.vertex = type { i32, i32, i32, i8 }

@V = external dso_local global [100010 x %struct.vertex], align 16
@ivc = external dso_local global i32, align 4
@iec = external dso_local global i32, align 4
@cnt = external dso_local global i32, align 4
@path = external dso_local global [200010 x i32], align 16
@pc = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7connecti(i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3DFSii(i32 noundef, i32 noundef) #1

; 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
  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
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef @ivc, ptr noundef @iec)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %21, %0
  %13 = load i32, ptr %5, align 4, !tbaa !5
  %14 = load i32, ptr @iec, align 4, !tbaa !5
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %24

17:                                               ; preds = %12
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = load i32, ptr %4, align 4, !tbaa !5
  call void @_Z8add_edgeii(i32 noundef %19, i32 noundef %20)
  br label %21

21:                                               ; preds = %17
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %5, align 4, !tbaa !5
  br label %12, !llvm.loop !9

24:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %55, %24
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = load i32, ptr @ivc, align 4, !tbaa !5
  %28 = icmp sle i32 %26, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %25
  store i32 5, ptr %7, align 4
  br label %58

30:                                               ; preds = %25
  %31 = load i32, ptr %6, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [100010 x %struct.vertex], ptr @V, i64 0, i64 %32
  %34 = getelementptr inbounds %struct.vertex, ptr %33, i32 0, i32 1
  %35 = load i32, ptr %34, align 4, !tbaa !11
  %36 = load i32, ptr %6, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [100010 x %struct.vertex], ptr @V, i64 0, i64 %37
  %39 = getelementptr inbounds %struct.vertex, ptr %38, i32 0, i32 2
  %40 = load i32, ptr %39, align 8, !tbaa !14
  %41 = icmp ne i32 %35, %40
  br i1 %41, label %42, label %44

42:                                               ; preds = %30
  %43 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  br label %58

44:                                               ; preds = %30
  %45 = load i32, ptr %6, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [100010 x %struct.vertex], ptr @V, i64 0, i64 %46
  %48 = getelementptr inbounds %struct.vertex, ptr %47, i32 0, i32 1
  %49 = load i32, ptr %48, align 4, !tbaa !11
  %50 = icmp eq i32 %49, 0
  br i1 %50, label %51, label %54

51:                                               ; preds = %44
  %52 = load i32, ptr @cnt, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr @cnt, align 4, !tbaa !5
  br label %54

54:                                               ; preds = %51, %44
  br label %55

55:                                               ; preds = %54
  %56 = load i32, ptr %6, align 4, !tbaa !5
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %6, align 4, !tbaa !5
  br label %25, !llvm.loop !15

58:                                               ; preds = %42, %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  %59 = load i32, ptr %7, align 4
  switch i32 %59, label %112 [
    i32 5, label %60
  ]

60:                                               ; preds = %58
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 1, ptr %9, align 4, !tbaa !5
  br label %61

61:                                               ; preds = %77, %60
  %62 = load i32, ptr %9, align 4, !tbaa !5
  %63 = load i32, ptr @ivc, align 4, !tbaa !5
  %64 = icmp sle i32 %62, %63
  br i1 %64, label %66, label %65

65:                                               ; preds = %61
  store i32 8, ptr %7, align 4
  br label %80

66:                                               ; preds = %61
  %67 = load i32, ptr %9, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [100010 x %struct.vertex], ptr @V, i64 0, i64 %68
  %70 = getelementptr inbounds %struct.vertex, ptr %69, i32 0, i32 1
  %71 = load i32, ptr %70, align 4, !tbaa !11
  %72 = icmp ne i32 %71, 0
  br i1 %72, label %73, label %76

73:                                               ; preds = %66
  %74 = load i32, ptr %9, align 4, !tbaa !5
  call void @_Z7connecti(i32 noundef %74)
  %75 = load i32, ptr %9, align 4, !tbaa !5
  store i32 %75, ptr %8, align 4, !tbaa !5
  store i32 8, ptr %7, align 4
  br label %80

76:                                               ; preds = %66
  br label %77

77:                                               ; preds = %76
  %78 = load i32, ptr %9, align 4, !tbaa !5
  %79 = add nsw i32 %78, 1
  store i32 %79, ptr %9, align 4, !tbaa !5
  br label %61, !llvm.loop !16

80:                                               ; preds = %73, %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr @cnt, align 4, !tbaa !5
  %83 = load i32, ptr @ivc, align 4, !tbaa !5
  %84 = icmp slt i32 %82, %83
  br i1 %84, label %85, label %87

85:                                               ; preds = %81
  %86 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  br label %111

87:                                               ; preds = %81
  %88 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  %89 = load i32, ptr @iec, align 4, !tbaa !5
  %90 = icmp eq i32 %89, 0
  br i1 %90, label %91, label %92

91:                                               ; preds = %87
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  br label %111

92:                                               ; preds = %87
  %93 = load i32, ptr %8, align 4, !tbaa !5
  %94 = load i32, ptr %8, align 4, !tbaa !5
  call void @_Z3DFSii(i32 noundef %93, i32 noundef %94)
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  %95 = load i32, ptr @pc, align 4, !tbaa !5
  %96 = sub nsw i32 %95, 1
  store i32 %96, ptr %10, align 4, !tbaa !5
  br label %97

97:                                               ; preds = %107, %92
  %98 = load i32, ptr %10, align 4, !tbaa !5
  %99 = icmp sge i32 %98, 0
  br i1 %99, label %101, label %100

100:                                              ; preds = %97
  store i32 11, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %110

101:                                              ; preds = %97
  %102 = load i32, ptr %10, align 4, !tbaa !5
  %103 = sext i32 %102 to i64
  %104 = getelementptr inbounds [200010 x i32], ptr @path, i64 0, i64 %103
  %105 = load i32, ptr %104, align 4, !tbaa !5
  %106 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, i32 noundef %105)
  br label %107

107:                                              ; preds = %101
  %108 = load i32, ptr %10, align 4, !tbaa !5
  %109 = add nsw i32 %108, -1
  store i32 %109, ptr %10, align 4, !tbaa !5
  br label %97, !llvm.loop !17

110:                                              ; preds = %100
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  br label %111

111:                                              ; preds = %110, %91, %85
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %112

112:                                              ; preds = %111, %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %113 = load i32, ptr %1, align 4
  ret i32 %113
}

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 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!12, !6, i64 4}
!12 = !{!"_ZTS6vertex", !6, i64 0, !6, i64 4, !6, i64 8, !13, i64 12}
!13 = !{!"bool", !7, i64 0}
!14 = !{!12, !6, i64 8}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}
!17 = distinct !{!17, !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.vertex = type { i32, i32, i32, i8 }

@V = external dso_local local_unnamed_addr global [100010 x %struct.vertex], align 16
@ivc = external dso_local global i32, align 4
@iec = external dso_local global i32, align 4
@cnt = external dso_local local_unnamed_addr global i32, align 4
@path = external dso_local local_unnamed_addr global [200010 x i32], align 16
@pc = external dso_local local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 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 uwtable
declare dso_local void @_Z7connecti(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3DFSii(i32 noundef, i32 noundef) local_unnamed_addr #1

; 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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull @ivc, ptr noundef nonnull @iec)
  %5 = load i32, ptr @iec, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %0
  %7 = load i32, ptr @ivc, align 4, !tbaa !5
  %cnt.promoted = load i32, ptr @cnt, align 4, !tbaa !5
  %.not33 = icmp slt i32 %7, 1
  br i1 %.not33, label %.loopexit29, label %.lr.ph35.preheader

.lr.ph35.preheader:                               ; preds = %.preheader
  %8 = add nuw i32 %7, 1
  %wide.trip.count = zext i32 %8 to i64
  br label %.lr.ph35

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.02332 = phi i32 [ %12, %.lr.ph ], [ 0, %0 ]
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z8add_edgeii(i32 noundef %10, i32 noundef %11)
  %12 = add nuw nsw i32 %.02332, 1
  %13 = load i32, ptr @iec, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %.lr.ph, label %.preheader, !llvm.loop !9

.critedge.preheader:                              ; preds = %27
  br i1 %.not33, label %.loopexit29, label %.lr.ph38.preheader

.lr.ph38.preheader:                               ; preds = %.critedge.preheader
  %15 = add nuw i32 %7, 1
  %16 = add nuw i32 %7, 1
  %wide.trip.count46 = zext i32 %16 to i64
  br label %.lr.ph38

.lr.ph35:                                         ; preds = %.lr.ph35.preheader, %27
  %indvars.iv = phi i64 [ 1, %.lr.ph35.preheader ], [ %indvars.iv.next, %27 ]
  %17 = phi i32 [ %cnt.promoted, %.lr.ph35.preheader ], [ %28, %27 ]
  %18 = getelementptr inbounds [100010 x %struct.vertex], ptr @V, i64 0, i64 %indvars.iv
  %19 = getelementptr inbounds i8, ptr %18, i64 4
  %20 = load i32, ptr %19, align 4, !tbaa !11
  %21 = getelementptr inbounds i8, ptr %18, i64 8
  %22 = load i32, ptr %21, align 8, !tbaa !14
  %.not26 = icmp eq i32 %20, %22
  br i1 %.not26, label %23, label %.loopexit.sink.split

23:                                               ; preds = %.lr.ph35
  %24 = icmp eq i32 %20, 0
  br i1 %24, label %25, label %27

25:                                               ; preds = %23
  %26 = add nsw i32 %17, 1
  store i32 %26, ptr @cnt, align 4, !tbaa !5
  br label %27

27:                                               ; preds = %23, %25
  %28 = phi i32 [ %17, %23 ], [ %26, %25 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.critedge.preheader, label %.lr.ph35, !llvm.loop !15

.lr.ph38:                                         ; preds = %.lr.ph38.preheader, %.critedge
  %indvars.iv43 = phi i64 [ 1, %.lr.ph38.preheader ], [ %indvars.iv.next44, %.critedge ]
  %29 = getelementptr inbounds [100010 x %struct.vertex], ptr @V, i64 0, i64 %indvars.iv43, i32 1
  %30 = load i32, ptr %29, align 4, !tbaa !11
  %.not28 = icmp eq i32 %30, 0
  br i1 %.not28, label %.critedge, label %31

31:                                               ; preds = %.lr.ph38
  %32 = trunc nuw nsw i64 %indvars.iv43 to i32
  call void @_Z7connecti(i32 noundef %32)
  %.pre = load i32, ptr @cnt, align 4, !tbaa !5
  %.pre51 = load i32, ptr @ivc, align 4, !tbaa !5
  br label %.loopexit29

.critedge:                                        ; preds = %.lr.ph38
  %indvars.iv.next44 = add nuw nsw i64 %indvars.iv43, 1
  %exitcond47.not = icmp eq i64 %indvars.iv.next44, %wide.trip.count46
  br i1 %exitcond47.not, label %.loopexit29, label %.lr.ph38, !llvm.loop !16

.loopexit29:                                      ; preds = %.critedge, %.preheader, %.critedge.preheader, %31
  %33 = phi i32 [ %.pre51, %31 ], [ %7, %.critedge.preheader ], [ %7, %.preheader ], [ %7, %.critedge ]
  %34 = phi i32 [ %.pre, %31 ], [ %28, %.critedge.preheader ], [ %cnt.promoted, %.preheader ], [ %28, %.critedge ]
  %.01931 = phi i32 [ %32, %31 ], [ 1, %.critedge.preheader ], [ 1, %.preheader ], [ %15, %.critedge ]
  %35 = icmp slt i32 %34, %33
  br i1 %35, label %.loopexit.sink.split, label %36

36:                                               ; preds = %.loopexit29
  %37 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  %38 = load i32, ptr @iec, align 4, !tbaa !5
  %39 = icmp eq i32 %38, 0
  br i1 %39, label %.loopexit, label %40

40:                                               ; preds = %36
  call void @_Z3DFSii(i32 noundef %.01931, i32 noundef %.01931)
  %41 = load i32, ptr @pc, align 4, !tbaa !5
  %42 = icmp sgt i32 %41, 0
  br i1 %42, label %.lr.ph40.preheader, label %.loopexit

.lr.ph40.preheader:                               ; preds = %40
  %43 = zext nneg i32 %41 to i64
  br label %.lr.ph40

.lr.ph40:                                         ; preds = %.lr.ph40.preheader, %.lr.ph40
  %indvars.iv48 = phi i64 [ %43, %.lr.ph40.preheader ], [ %indvars.iv.next49, %.lr.ph40 ]
  %indvars.iv.next49 = add nsw i64 %indvars.iv48, -1
  %44 = getelementptr inbounds [200010 x i32], ptr @path, i64 0, i64 %indvars.iv.next49
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i32 noundef %45)
  %47 = icmp ugt i64 %indvars.iv48, 1
  br i1 %47, label %.lr.ph40, label %.loopexit, !llvm.loop !17

.loopexit.sink.split:                             ; preds = %.lr.ph35, %.loopexit29
  %48 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  br label %.loopexit

.loopexit:                                        ; preds = %.lr.ph40, %.loopexit.sink.split, %40, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  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
}

; 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 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!12, !6, i64 4}
!12 = !{!"_ZTS6vertex", !6, i64 0, !6, i64 4, !6, i64 8, !13, i64 12}
!13 = !{!"bool", !7, i64 0}
!14 = !{!12, !6, i64 8}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}
!17 = distinct !{!17, !10}


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