; LLVM IR from ahampriyanshu/algo-ds-101 :: Data-Structures/LinkedList/Doubly_Linked_List (doubly)

; 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 { i32, ptr, ptr }

@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [27 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [97 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @printf(ptr noundef, ...) #1

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @delete_Link(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  store ptr %11, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = load ptr, ptr %12, align 8, !tbaa !5
  %14 = icmp eq ptr %13, null
  br i1 %14, label %15, label %17

15:                                               ; preds = %2
  %16 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  store i32 1, ptr %9, align 4
  br label %141

17:                                               ; preds = %2
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.node, ptr %18, i32 0, i32 1
  %20 = load ptr, ptr %19, align 8, !tbaa !9
  %21 = icmp eq ptr %20, null
  br i1 %21, label %22, label %32

22:                                               ; preds = %17
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.node, ptr %23, i32 0, i32 2
  %25 = load ptr, ptr %24, align 8, !tbaa !12
  %26 = icmp eq ptr %25, null
  br i1 %26, label %27, label %32

27:                                               ; preds = %22
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %28, ptr %5, align 8, !tbaa !5
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %29) #4
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr null, ptr %30, align 8, !tbaa !5
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr null, ptr %31, align 8, !tbaa !5
  br label %140

32:                                               ; preds = %22, %17
  %33 = call i32 (ptr, ...) @printf(ptr noundef @.str.6)
  %34 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %7)
  %35 = load i32, ptr %7, align 4, !tbaa !13
  %36 = icmp eq i32 %35, 3
  br i1 %36, label %37, label %40

37:                                               ; preds = %32
  %38 = call i32 (ptr, ...) @printf(ptr noundef @.str.7)
  %39 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %8)
  br label %40

40:                                               ; preds = %37, %32
  %41 = load i32, ptr %7, align 4, !tbaa !13
  %42 = icmp eq i32 %41, 1
  br i1 %42, label %43, label %52

43:                                               ; preds = %40
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = load ptr, ptr %44, align 8, !tbaa !5
  store ptr %45, ptr %5, align 8, !tbaa !5
  %46 = load ptr, ptr %3, align 8, !tbaa !5
  %47 = load ptr, ptr %46, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.node, ptr %47, i32 0, i32 2
  %49 = load ptr, ptr %48, align 8, !tbaa !12
  %50 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %49, ptr %50, align 8, !tbaa !5
  %51 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %51) #4
  store i32 1, ptr %9, align 4
  br label %141

52:                                               ; preds = %40
  %53 = load i32, ptr %7, align 4, !tbaa !13
  %54 = icmp eq i32 %53, 2
  br i1 %54, label %55, label %69

55:                                               ; preds = %52
  %56 = load ptr, ptr %4, align 8, !tbaa !5
  %57 = load ptr, ptr %56, align 8, !tbaa !5
  store ptr %57, ptr %5, align 8, !tbaa !5
  %58 = load ptr, ptr %4, align 8, !tbaa !5
  %59 = load ptr, ptr %58, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct.node, ptr %59, i32 0, i32 1
  %61 = load ptr, ptr %60, align 8, !tbaa !9
  %62 = getelementptr inbounds %struct.node, ptr %61, i32 0, i32 2
  store ptr null, ptr %62, align 8, !tbaa !12
  %63 = load ptr, ptr %4, align 8, !tbaa !5
  %64 = load ptr, ptr %63, align 8, !tbaa !5
  %65 = getelementptr inbounds %struct.node, ptr %64, i32 0, i32 1
  %66 = load ptr, ptr %65, align 8, !tbaa !9
  %67 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %66, ptr %67, align 8, !tbaa !5
  %68 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %68) #4
  store i32 1, ptr %9, align 4
  br label %141

69:                                               ; preds = %52
  %70 = load i32, ptr %7, align 4, !tbaa !13
  %71 = icmp eq i32 %70, 3
  br i1 %71, label %72, label %135

72:                                               ; preds = %69
  %73 = load ptr, ptr %4, align 8, !tbaa !5
  %74 = load ptr, ptr %73, align 8, !tbaa !5
  %75 = getelementptr inbounds %struct.node, ptr %74, i32 0, i32 0
  %76 = load i32, ptr %75, align 8, !tbaa !14
  %77 = load i32, ptr %8, align 4, !tbaa !13
  %78 = icmp eq i32 %76, %77
  br i1 %78, label %79, label %88

79:                                               ; preds = %72
  %80 = load ptr, ptr %4, align 8, !tbaa !5
  %81 = load ptr, ptr %80, align 8, !tbaa !5
  store ptr %81, ptr %5, align 8, !tbaa !5
  %82 = load ptr, ptr %4, align 8, !tbaa !5
  %83 = load ptr, ptr %82, align 8, !tbaa !5
  %84 = getelementptr inbounds %struct.node, ptr %83, i32 0, i32 1
  %85 = load ptr, ptr %84, align 8, !tbaa !9
  %86 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %85, ptr %86, align 8, !tbaa !5
  %87 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %87) #4
  store i32 1, ptr %9, align 4
  br label %141

88:                                               ; preds = %72
  %89 = load ptr, ptr %3, align 8, !tbaa !5
  %90 = load ptr, ptr %89, align 8, !tbaa !5
  %91 = getelementptr inbounds %struct.node, ptr %90, i32 0, i32 0
  %92 = load i32, ptr %91, align 8, !tbaa !14
  %93 = load i32, ptr %8, align 4, !tbaa !13
  %94 = icmp eq i32 %92, %93
  br i1 %94, label %95, label %104

95:                                               ; preds = %88
  %96 = load ptr, ptr %3, align 8, !tbaa !5
  %97 = load ptr, ptr %96, align 8, !tbaa !5
  store ptr %97, ptr %5, align 8, !tbaa !5
  %98 = load ptr, ptr %3, align 8, !tbaa !5
  %99 = load ptr, ptr %98, align 8, !tbaa !5
  %100 = getelementptr inbounds %struct.node, ptr %99, i32 0, i32 2
  %101 = load ptr, ptr %100, align 8, !tbaa !12
  %102 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %101, ptr %102, align 8, !tbaa !5
  %103 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %103) #4
  store i32 1, ptr %9, align 4
  br label %141

104:                                              ; preds = %88
  br label %105

105:                                              ; preds = %113, %104
  %106 = load ptr, ptr %6, align 8, !tbaa !5
  %107 = getelementptr inbounds %struct.node, ptr %106, i32 0, i32 2
  %108 = load ptr, ptr %107, align 8, !tbaa !12
  %109 = getelementptr inbounds %struct.node, ptr %108, i32 0, i32 0
  %110 = load i32, ptr %109, align 8, !tbaa !14
  %111 = load i32, ptr %8, align 4, !tbaa !13
  %112 = icmp ne i32 %110, %111
  br i1 %112, label %113, label %117

113:                                              ; preds = %105
  %114 = load ptr, ptr %6, align 8, !tbaa !5
  %115 = getelementptr inbounds %struct.node, ptr %114, i32 0, i32 2
  %116 = load ptr, ptr %115, align 8, !tbaa !12
  store ptr %116, ptr %6, align 8, !tbaa !5
  br label %105, !llvm.loop !15

117:                                              ; preds = %105
  %118 = load ptr, ptr %6, align 8, !tbaa !5
  %119 = getelementptr inbounds %struct.node, ptr %118, i32 0, i32 2
  %120 = load ptr, ptr %119, align 8, !tbaa !12
  store ptr %120, ptr %5, align 8, !tbaa !5
  %121 = load ptr, ptr %6, align 8, !tbaa !5
  %122 = getelementptr inbounds %struct.node, ptr %121, i32 0, i32 2
  %123 = load ptr, ptr %122, align 8, !tbaa !12
  %124 = getelementptr inbounds %struct.node, ptr %123, i32 0, i32 2
  %125 = load ptr, ptr %124, align 8, !tbaa !12
  %126 = load ptr, ptr %6, align 8, !tbaa !5
  %127 = getelementptr inbounds %struct.node, ptr %126, i32 0, i32 2
  store ptr %125, ptr %127, align 8, !tbaa !12
  %128 = load ptr, ptr %6, align 8, !tbaa !5
  %129 = load ptr, ptr %6, align 8, !tbaa !5
  %130 = getelementptr inbounds %struct.node, ptr %129, i32 0, i32 2
  %131 = load ptr, ptr %130, align 8, !tbaa !12
  %132 = getelementptr inbounds %struct.node, ptr %131, i32 0, i32 1
  store ptr %128, ptr %132, align 8, !tbaa !9
  %133 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %133) #4
  br label %134

134:                                              ; preds = %117
  br label %137

135:                                              ; preds = %69
  %136 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  br label %137

137:                                              ; preds = %135, %134
  br label %138

138:                                              ; preds = %137
  br label %139

139:                                              ; preds = %138
  br label %140

140:                                              ; preds = %139, %27
  store i32 0, ptr %9, align 4
  br label %141

141:                                              ; preds = %140, %95, %79, %55, %43, %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  %142 = load i32, ptr %9, align 4
  switch i32 %142, label %144 [
    i32 0, label %143
    i32 1, label %143
  ]

143:                                              ; preds = %141, %141
  ret void

144:                                              ; preds = %141
  unreachable
}

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

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 #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, !6, i64 8}
!10 = !{!"node", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 16}
!13 = !{!11, !11, i64 0}
!14 = !{!10, !11, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; 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 [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [27 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [97 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @delete_Link(ptr nocapture noundef %0, ptr nocapture noundef %1) local_unnamed_addr #2 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %5 = load ptr, ptr %0, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %9

7:                                                ; preds = %2
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5)
  br label %65

9:                                                ; preds = %2
  %10 = getelementptr inbounds i8, ptr %5, i64 8
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %18

13:                                               ; preds = %9
  %14 = getelementptr inbounds i8, ptr %5, i64 16
  %15 = load ptr, ptr %14, align 8, !tbaa !12
  %16 = icmp eq ptr %15, null
  br i1 %16, label %17, label %18

17:                                               ; preds = %13
  tail call void @free(ptr noundef nonnull %5) #4
  store ptr null, ptr %1, align 8, !tbaa !5
  store ptr null, ptr %0, align 8, !tbaa !5
  br label %65

18:                                               ; preds = %13, %9
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6)
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3)
  %21 = load i32, ptr %3, align 4, !tbaa !13
  %22 = icmp eq i32 %21, 3
  br i1 %22, label %23, label %26

23:                                               ; preds = %18
  %24 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7)
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4)
  %.pr = load i32, ptr %3, align 4, !tbaa !13
  br label %26

26:                                               ; preds = %23, %18
  %27 = phi i32 [ %.pr, %23 ], [ %21, %18 ]
  switch i32 %27, label %63 [
    i32 1, label %28
    i32 2, label %32
    i32 3, label %40
  ]

28:                                               ; preds = %26
  %29 = load ptr, ptr %0, align 8, !tbaa !5
  %30 = getelementptr inbounds i8, ptr %29, i64 16
  %31 = load ptr, ptr %30, align 8, !tbaa !12
  store ptr %31, ptr %0, align 8, !tbaa !5
  call void @free(ptr noundef %29) #4
  br label %65

32:                                               ; preds = %26
  %33 = load ptr, ptr %1, align 8, !tbaa !5
  %34 = getelementptr inbounds i8, ptr %33, i64 8
  %35 = load ptr, ptr %34, align 8, !tbaa !9
  %36 = getelementptr inbounds i8, ptr %35, i64 16
  store ptr null, ptr %36, align 8, !tbaa !12
  %37 = load ptr, ptr %1, align 8, !tbaa !5
  %38 = getelementptr inbounds i8, ptr %37, i64 8
  %39 = load ptr, ptr %38, align 8, !tbaa !9
  store ptr %39, ptr %1, align 8, !tbaa !5
  call void @free(ptr noundef %33) #4
  br label %65

40:                                               ; preds = %26
  %41 = load ptr, ptr %1, align 8, !tbaa !5
  %42 = load i32, ptr %41, align 8, !tbaa !14
  %43 = load i32, ptr %4, align 4, !tbaa !13
  %44 = icmp eq i32 %42, %43
  br i1 %44, label %45, label %48

45:                                               ; preds = %40
  %46 = getelementptr inbounds i8, ptr %41, i64 8
  %47 = load ptr, ptr %46, align 8, !tbaa !9
  store ptr %47, ptr %1, align 8, !tbaa !5
  call void @free(ptr noundef nonnull %41) #4
  br label %65

48:                                               ; preds = %40
  %49 = load ptr, ptr %0, align 8, !tbaa !5
  %50 = load i32, ptr %49, align 8, !tbaa !14
  %51 = icmp eq i32 %50, %43
  br i1 %51, label %52, label %.preheader

52:                                               ; preds = %48
  %53 = getelementptr inbounds i8, ptr %49, i64 16
  %54 = load ptr, ptr %53, align 8, !tbaa !12
  store ptr %54, ptr %0, align 8, !tbaa !5
  call void @free(ptr noundef nonnull %49) #4
  br label %65

.preheader:                                       ; preds = %48, %.preheader
  %.0 = phi ptr [ %56, %.preheader ], [ %5, %48 ]
  %55 = getelementptr inbounds i8, ptr %.0, i64 16
  %56 = load ptr, ptr %55, align 8, !tbaa !12
  %57 = load i32, ptr %56, align 8, !tbaa !14
  %.not = icmp eq i32 %57, %43
  br i1 %.not, label %58, label %.preheader, !llvm.loop !15

58:                                               ; preds = %.preheader
  %59 = getelementptr inbounds i8, ptr %.0, i64 16
  %60 = getelementptr inbounds i8, ptr %56, i64 16
  %61 = load ptr, ptr %60, align 8, !tbaa !12
  store ptr %61, ptr %59, align 8, !tbaa !12
  %62 = getelementptr inbounds i8, ptr %61, i64 8
  store ptr %.0, ptr %62, align 8, !tbaa !9
  call void @free(ptr noundef nonnull %56) #4
  br label %65

63:                                               ; preds = %26
  %64 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  br label %65

65:                                               ; preds = %17, %63, %58, %52, %45, %32, %28, %7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  ret void
}

; 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"node", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 16}
!13 = !{!11, !11, i64 0}
!14 = !{!10, !11, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass