; LLVM IR from tusharnankani/binary-tree-visualizer :: tree_traversal (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.node = type { ptr, ptr }
%struct.t_node = type { ptr, ptr, i32 }

@.str.1 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [25 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [93 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local ptr @new_qNode(ptr 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: nounwind uwtable
declare dso_local ptr @new_tNode(i32 noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @Inorder(ptr noundef) #0

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
declare dso_local void @Preorder(ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @Postorder(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #4
  store ptr null, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %13 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef %3)
  %15 = load i32, ptr %3, align 4, !tbaa !9
  %16 = call ptr @new_tNode(i32 noundef %15)
  store ptr %16, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = call ptr @new_qNode(ptr noundef %17)
  store ptr %18, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %19, ptr %7, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %70, %0
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %76

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.node, ptr %24, i32 0, i32 1
  %26 = load ptr, ptr %25, align 8, !tbaa !11
  store ptr %26, ptr %8, align 8, !tbaa !5
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.t_node, ptr %27, i32 0, i32 2
  %29 = load i32, ptr %28, align 8, !tbaa !13
  %30 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, i32 noundef %29)
  %31 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef %4)
  %32 = load i32, ptr %4, align 4, !tbaa !9
  %33 = icmp ne i32 %32, -1
  br i1 %33, label %34, label %48

34:                                               ; preds = %23
  %35 = load i32, ptr %4, align 4, !tbaa !9
  %36 = call ptr @new_tNode(i32 noundef %35)
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.t_node, ptr %37, i32 0, i32 0
  store ptr %36, ptr %38, align 8, !tbaa !15
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.t_node, ptr %39, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8, !tbaa !15
  %42 = call ptr @new_qNode(ptr noundef %41)
  %43 = load ptr, ptr %7, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.node, ptr %43, i32 0, i32 0
  store ptr %42, ptr %44, align 8, !tbaa !16
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  %46 = getelementptr inbounds %struct.node, ptr %45, i32 0, i32 0
  %47 = load ptr, ptr %46, align 8, !tbaa !16
  store ptr %47, ptr %7, align 8, !tbaa !5
  br label %48

48:                                               ; preds = %34, %23
  %49 = load ptr, ptr %8, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.t_node, ptr %49, i32 0, i32 2
  %51 = load i32, ptr %50, align 8, !tbaa !13
  %52 = call i32 (ptr, ...) @printf(ptr noundef @.str.5, i32 noundef %51)
  %53 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef %5)
  %54 = load i32, ptr %5, align 4, !tbaa !9
  %55 = icmp ne i32 %54, -1
  br i1 %55, label %56, label %70

56:                                               ; preds = %48
  %57 = load i32, ptr %5, align 4, !tbaa !9
  %58 = call ptr @new_tNode(i32 noundef %57)
  %59 = load ptr, ptr %8, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct.t_node, ptr %59, i32 0, i32 1
  store ptr %58, ptr %60, align 8, !tbaa !17
  %61 = load ptr, ptr %8, align 8, !tbaa !5
  %62 = getelementptr inbounds %struct.t_node, ptr %61, i32 0, i32 1
  %63 = load ptr, ptr %62, align 8, !tbaa !17
  %64 = call ptr @new_qNode(ptr noundef %63)
  %65 = load ptr, ptr %7, align 8, !tbaa !5
  %66 = getelementptr inbounds %struct.node, ptr %65, i32 0, i32 0
  store ptr %64, ptr %66, align 8, !tbaa !16
  %67 = load ptr, ptr %7, align 8, !tbaa !5
  %68 = getelementptr inbounds %struct.node, ptr %67, i32 0, i32 0
  %69 = load ptr, ptr %68, align 8, !tbaa !16
  store ptr %69, ptr %7, align 8, !tbaa !5
  br label %70

70:                                               ; preds = %56, %48
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %71 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %71, ptr %9, align 8, !tbaa !5
  %72 = load ptr, ptr %6, align 8, !tbaa !5
  %73 = getelementptr inbounds %struct.node, ptr %72, i32 0, i32 0
  %74 = load ptr, ptr %73, align 8, !tbaa !16
  store ptr %74, ptr %6, align 8, !tbaa !5
  %75 = load ptr, ptr %9, align 8, !tbaa !5
  call void @free(ptr noundef %75) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %20, !llvm.loop !18

76:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 1, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  br label %77

77:                                               ; preds = %96, %76
  %78 = load i32, ptr %10, align 4, !tbaa !9
  %79 = icmp ne i32 %78, 0
  br i1 %79, label %80, label %98

80:                                               ; preds = %77
  %81 = call i32 (ptr, ...) @printf(ptr noundef @.str.6)
  %82 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef %11)
  %83 = load i32, ptr %11, align 4, !tbaa !9
  switch i32 %83, label %94 [
    i32 1, label %84
    i32 2, label %87
    i32 3, label %90
    i32 4, label %93
  ]

84:                                               ; preds = %80
  %85 = call i32 (ptr, ...) @printf(ptr noundef @.str.7)
  %86 = load ptr, ptr %2, align 8, !tbaa !5
  call void @Inorder(ptr noundef %86)
  br label %96

87:                                               ; preds = %80
  %88 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  %89 = load ptr, ptr %2, align 8, !tbaa !5
  call void @Preorder(ptr noundef %89)
  br label %96

90:                                               ; preds = %80
  %91 = call i32 (ptr, ...) @printf(ptr noundef @.str.9)
  %92 = load ptr, ptr %2, align 8, !tbaa !5
  call void @Postorder(ptr noundef %92)
  br label %96

93:                                               ; preds = %80
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %96

94:                                               ; preds = %80
  %95 = call i32 (ptr, ...) @printf(ptr noundef @.str.10)
  br label %96

96:                                               ; preds = %94, %93, %90, %87, %84
  %97 = call i32 (ptr, ...) @printf(ptr noundef @.str.11)
  br label %77, !llvm.loop !20

98:                                               ; preds = %77
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #4
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

attributes #0 = { 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 = { "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 = { 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 #4 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"node", !6, i64 0, !6, i64 8}
!13 = !{!14, !10, i64 16}
!14 = !{!"t_node", !6, i64 0, !6, i64 8, !10, i64 16}
!15 = !{!14, !6, i64 0}
!16 = !{!12, !6, i64 0}
!17 = !{!14, !6, i64 8}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}
!20 = distinct !{!20, !19}


; 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"

@.str.1 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [25 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [93 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local ptr @new_qNode(ptr 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: nounwind uwtable
declare dso_local ptr @new_tNode(i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @Inorder(ptr noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @Preorder(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @Postorder(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  %6 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull %1)
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = call ptr @new_tNode(i32 noundef %8)
  %10 = call ptr @new_qNode(ptr noundef %9)
  %.not28 = icmp eq ptr %10, null
  br i1 %.not28, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %30
  %.02030 = phi ptr [ %31, %30 ], [ %10, %0 ]
  %.02129 = phi ptr [ %.2, %30 ], [ %10, %0 ]
  %11 = getelementptr inbounds i8, ptr %.02030, i64 8
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %13 = getelementptr inbounds i8, ptr %12, i64 16
  %14 = load i32, ptr %13, align 8, !tbaa !12
  %15 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i32 noundef %14)
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull %2)
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %.not26 = icmp eq i32 %17, -1
  br i1 %.not26, label %21, label %18

18:                                               ; preds = %.lr.ph
  %19 = call ptr @new_tNode(i32 noundef %17)
  store ptr %19, ptr %12, align 8, !tbaa !14
  %20 = call ptr @new_qNode(ptr noundef %19)
  store ptr %20, ptr %.02129, align 8, !tbaa !15
  br label %21

21:                                               ; preds = %18, %.lr.ph
  %.122 = phi ptr [ %20, %18 ], [ %.02129, %.lr.ph ]
  %22 = load i32, ptr %13, align 8, !tbaa !12
  %23 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5, i32 noundef %22)
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull %3)
  %25 = load i32, ptr %3, align 4, !tbaa !5
  %.not27 = icmp eq i32 %25, -1
  br i1 %.not27, label %30, label %26

26:                                               ; preds = %21
  %27 = call ptr @new_tNode(i32 noundef %25)
  %28 = getelementptr inbounds i8, ptr %12, i64 8
  store ptr %27, ptr %28, align 8, !tbaa !16
  %29 = call ptr @new_qNode(ptr noundef %27)
  store ptr %29, ptr %.122, align 8, !tbaa !15
  br label %30

30:                                               ; preds = %26, %21
  %.2 = phi ptr [ %29, %26 ], [ %.122, %21 ]
  %31 = load ptr, ptr %.02030, align 8, !tbaa !15
  call void @free(ptr noundef nonnull %.02030) #4
  %.not = icmp eq ptr %31, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !17

._crit_edge:                                      ; preds = %30, %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  br label %32

32:                                               ; preds = %44, %._crit_edge
  %33 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6)
  %34 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull %4)
  %35 = load i32, ptr %4, align 4, !tbaa !5
  switch i32 %35, label %42 [
    i32 1, label %36
    i32 2, label %38
    i32 3, label %40
    i32 4, label %46
  ]

36:                                               ; preds = %32
  %37 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7)
  call void @Inorder(ptr noundef %9)
  br label %44

38:                                               ; preds = %32
  %39 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  call void @Preorder(ptr noundef %9)
  br label %44

40:                                               ; preds = %32
  %41 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.9)
  call void @Postorder(ptr noundef %9)
  br label %44

42:                                               ; preds = %32
  %43 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.10)
  br label %44

44:                                               ; preds = %42, %40, %38, %36
  %45 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.11)
  br label %32, !llvm.loop !19

46:                                               ; preds = %32
  %47 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.11)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

attributes #0 = { 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 = { 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 #3 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { 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/C++ TBAA"}
!9 = !{!10, !11, i64 8}
!10 = !{!"node", !11, i64 0, !11, i64 8}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!13, !6, i64 16}
!13 = !{!"t_node", !11, i64 0, !11, i64 8, !6, i64 16}
!14 = !{!13, !11, i64 0}
!15 = !{!10, !11, i64 0}
!16 = !{!13, !11, i64 8}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}
!19 = distinct !{!19, !18}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass