; LLVM IR from begeekmyfriend/leetcode :: 0124_binary_tree_maximum_path_sum (bst_max_path)

; 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.TreeNode = type { i32, ptr, ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca %struct.TreeNode, align 8
  %3 = alloca %struct.TreeNode, align 8
  %4 = alloca %struct.TreeNode, align 8
  %5 = alloca %struct.TreeNode, align 8
  %6 = alloca %struct.TreeNode, align 8
  %7 = alloca %struct.TreeNode, align 8
  %8 = alloca %struct.TreeNode, align 8
  %9 = alloca %struct.TreeNode, align 8
  %10 = alloca %struct.TreeNode, align 8
  %11 = alloca %struct.TreeNode, align 8
  %12 = alloca %struct.TreeNode, align 8
  %13 = alloca %struct.TreeNode, align 8
  %14 = alloca %struct.TreeNode, align 8
  %15 = alloca %struct.TreeNode, align 8
  %16 = alloca %struct.TreeNode, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %15) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %16) #3
  %17 = getelementptr inbounds %struct.TreeNode, ptr %8, i32 0, i32 0
  store i32 -7, ptr %17, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.TreeNode, ptr %7, i32 0, i32 0
  store i32 -6, ptr %18, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.TreeNode, ptr %6, i32 0, i32 0
  store i32 -5, ptr %19, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.TreeNode, ptr %5, i32 0, i32 0
  store i32 -4, ptr %20, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.TreeNode, ptr %4, i32 0, i32 0
  store i32 -3, ptr %21, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.TreeNode, ptr %3, i32 0, i32 0
  store i32 -2, ptr %22, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.TreeNode, ptr %2, i32 0, i32 0
  store i32 -1, ptr %23, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.TreeNode, ptr %9, i32 0, i32 0
  store i32 0, ptr %24, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.TreeNode, ptr %10, i32 0, i32 0
  store i32 1, ptr %25, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.TreeNode, ptr %11, i32 0, i32 0
  store i32 2, ptr %26, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.TreeNode, ptr %12, i32 0, i32 0
  store i32 3, ptr %27, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.TreeNode, ptr %13, i32 0, i32 0
  store i32 4, ptr %28, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.TreeNode, ptr %14, i32 0, i32 0
  store i32 5, ptr %29, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.TreeNode, ptr %15, i32 0, i32 0
  store i32 6, ptr %30, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.TreeNode, ptr %16, i32 0, i32 0
  store i32 7, ptr %31, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.TreeNode, ptr %8, i32 0, i32 1
  store ptr null, ptr %32, align 8, !tbaa !11
  %33 = getelementptr inbounds %struct.TreeNode, ptr %8, i32 0, i32 2
  store ptr null, ptr %33, align 8, !tbaa !12
  %34 = getelementptr inbounds %struct.TreeNode, ptr %7, i32 0, i32 1
  store ptr %8, ptr %34, align 8, !tbaa !11
  %35 = getelementptr inbounds %struct.TreeNode, ptr %7, i32 0, i32 2
  store ptr %6, ptr %35, align 8, !tbaa !12
  %36 = getelementptr inbounds %struct.TreeNode, ptr %6, i32 0, i32 1
  store ptr null, ptr %36, align 8, !tbaa !11
  %37 = getelementptr inbounds %struct.TreeNode, ptr %6, i32 0, i32 2
  store ptr null, ptr %37, align 8, !tbaa !12
  %38 = getelementptr inbounds %struct.TreeNode, ptr %5, i32 0, i32 1
  store ptr %7, ptr %38, align 8, !tbaa !11
  %39 = getelementptr inbounds %struct.TreeNode, ptr %5, i32 0, i32 2
  store ptr %3, ptr %39, align 8, !tbaa !12
  %40 = getelementptr inbounds %struct.TreeNode, ptr %4, i32 0, i32 1
  store ptr null, ptr %40, align 8, !tbaa !11
  %41 = getelementptr inbounds %struct.TreeNode, ptr %4, i32 0, i32 2
  store ptr null, ptr %41, align 8, !tbaa !12
  %42 = getelementptr inbounds %struct.TreeNode, ptr %3, i32 0, i32 1
  store ptr %4, ptr %42, align 8, !tbaa !11
  %43 = getelementptr inbounds %struct.TreeNode, ptr %3, i32 0, i32 2
  store ptr %2, ptr %43, align 8, !tbaa !12
  %44 = getelementptr inbounds %struct.TreeNode, ptr %2, i32 0, i32 1
  store ptr null, ptr %44, align 8, !tbaa !11
  %45 = getelementptr inbounds %struct.TreeNode, ptr %2, i32 0, i32 2
  store ptr null, ptr %45, align 8, !tbaa !12
  %46 = getelementptr inbounds %struct.TreeNode, ptr %9, i32 0, i32 1
  store ptr %5, ptr %46, align 8, !tbaa !11
  %47 = getelementptr inbounds %struct.TreeNode, ptr %9, i32 0, i32 2
  store ptr %13, ptr %47, align 8, !tbaa !12
  %48 = getelementptr inbounds %struct.TreeNode, ptr %10, i32 0, i32 1
  store ptr null, ptr %48, align 8, !tbaa !11
  %49 = getelementptr inbounds %struct.TreeNode, ptr %10, i32 0, i32 2
  store ptr null, ptr %49, align 8, !tbaa !12
  %50 = getelementptr inbounds %struct.TreeNode, ptr %11, i32 0, i32 1
  store ptr %10, ptr %50, align 8, !tbaa !11
  %51 = getelementptr inbounds %struct.TreeNode, ptr %11, i32 0, i32 2
  store ptr %12, ptr %51, align 8, !tbaa !12
  %52 = getelementptr inbounds %struct.TreeNode, ptr %12, i32 0, i32 1
  store ptr null, ptr %52, align 8, !tbaa !11
  %53 = getelementptr inbounds %struct.TreeNode, ptr %12, i32 0, i32 2
  store ptr null, ptr %53, align 8, !tbaa !12
  %54 = getelementptr inbounds %struct.TreeNode, ptr %13, i32 0, i32 1
  store ptr %11, ptr %54, align 8, !tbaa !11
  %55 = getelementptr inbounds %struct.TreeNode, ptr %13, i32 0, i32 2
  store ptr %15, ptr %55, align 8, !tbaa !12
  %56 = getelementptr inbounds %struct.TreeNode, ptr %14, i32 0, i32 1
  store ptr null, ptr %56, align 8, !tbaa !11
  %57 = getelementptr inbounds %struct.TreeNode, ptr %14, i32 0, i32 2
  store ptr null, ptr %57, align 8, !tbaa !12
  %58 = getelementptr inbounds %struct.TreeNode, ptr %15, i32 0, i32 1
  store ptr %14, ptr %58, align 8, !tbaa !11
  %59 = getelementptr inbounds %struct.TreeNode, ptr %15, i32 0, i32 2
  store ptr %16, ptr %59, align 8, !tbaa !12
  %60 = getelementptr inbounds %struct.TreeNode, ptr %16, i32 0, i32 1
  store ptr null, ptr %60, align 8, !tbaa !11
  %61 = getelementptr inbounds %struct.TreeNode, ptr %16, i32 0, i32 2
  store ptr null, ptr %61, align 8, !tbaa !12
  %62 = call i32 @maxPathSum(ptr noundef %9)
  %63 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %62)
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #3
  ret i32 0
}

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

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

; Function Attrs: nounwind uwtable
declare hidden i32 @maxPathSum(ptr noundef) #0

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

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 }

!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, !7, i64 0}
!6 = !{!"TreeNode", !7, i64 0, !10, i64 8, !10, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!6, !10, i64 16}


; 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.TreeNode = type { i32, ptr, ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca %struct.TreeNode, align 8
  %2 = alloca %struct.TreeNode, align 8
  %3 = alloca %struct.TreeNode, align 8
  %4 = alloca %struct.TreeNode, align 8
  %5 = alloca %struct.TreeNode, align 8
  %6 = alloca %struct.TreeNode, align 8
  %7 = alloca %struct.TreeNode, align 8
  %8 = alloca %struct.TreeNode, align 8
  %9 = alloca %struct.TreeNode, align 8
  %10 = alloca %struct.TreeNode, align 8
  %11 = alloca %struct.TreeNode, align 8
  %12 = alloca %struct.TreeNode, align 8
  %13 = alloca %struct.TreeNode, align 8
  %14 = alloca %struct.TreeNode, align 8
  %15 = alloca %struct.TreeNode, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %11) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %12) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %13) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %14) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %15) #4
  store i32 -7, ptr %7, align 8, !tbaa !5
  store i32 -6, ptr %6, align 8, !tbaa !5
  store i32 -5, ptr %5, align 8, !tbaa !5
  store i32 -4, ptr %4, align 8, !tbaa !5
  store i32 -3, ptr %3, align 8, !tbaa !5
  store i32 -2, ptr %2, align 8, !tbaa !5
  store i32 -1, ptr %1, align 8, !tbaa !5
  store i32 0, ptr %8, align 8, !tbaa !5
  store i32 1, ptr %9, align 8, !tbaa !5
  store i32 2, ptr %10, align 8, !tbaa !5
  store i32 3, ptr %11, align 8, !tbaa !5
  store i32 4, ptr %12, align 8, !tbaa !5
  store i32 5, ptr %13, align 8, !tbaa !5
  store i32 6, ptr %14, align 8, !tbaa !5
  store i32 7, ptr %15, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %7, i64 8
  %17 = getelementptr inbounds i8, ptr %6, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %16, i8 0, i64 16, i1 false)
  store ptr %7, ptr %17, align 8, !tbaa !11
  %18 = getelementptr inbounds i8, ptr %6, i64 16
  store ptr %5, ptr %18, align 8, !tbaa !12
  %19 = getelementptr inbounds i8, ptr %5, i64 8
  %20 = getelementptr inbounds i8, ptr %4, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %19, i8 0, i64 16, i1 false)
  store ptr %6, ptr %20, align 8, !tbaa !11
  %21 = getelementptr inbounds i8, ptr %4, i64 16
  store ptr %2, ptr %21, align 8, !tbaa !12
  %22 = getelementptr inbounds i8, ptr %3, i64 8
  %23 = getelementptr inbounds i8, ptr %2, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %22, i8 0, i64 16, i1 false)
  store ptr %3, ptr %23, align 8, !tbaa !11
  %24 = getelementptr inbounds i8, ptr %2, i64 16
  store ptr %1, ptr %24, align 8, !tbaa !12
  %25 = getelementptr inbounds i8, ptr %1, i64 8
  %26 = getelementptr inbounds i8, ptr %8, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %25, i8 0, i64 16, i1 false)
  store ptr %4, ptr %26, align 8, !tbaa !11
  %27 = getelementptr inbounds i8, ptr %8, i64 16
  store ptr %12, ptr %27, align 8, !tbaa !12
  %28 = getelementptr inbounds i8, ptr %9, i64 8
  %29 = getelementptr inbounds i8, ptr %10, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %28, i8 0, i64 16, i1 false)
  store ptr %9, ptr %29, align 8, !tbaa !11
  %30 = getelementptr inbounds i8, ptr %10, i64 16
  store ptr %11, ptr %30, align 8, !tbaa !12
  %31 = getelementptr inbounds i8, ptr %11, i64 8
  %32 = getelementptr inbounds i8, ptr %12, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %31, i8 0, i64 16, i1 false)
  store ptr %10, ptr %32, align 8, !tbaa !11
  %33 = getelementptr inbounds i8, ptr %12, i64 16
  store ptr %14, ptr %33, align 8, !tbaa !12
  %34 = getelementptr inbounds i8, ptr %13, i64 8
  %35 = getelementptr inbounds i8, ptr %14, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %34, i8 0, i64 16, i1 false)
  store ptr %13, ptr %35, align 8, !tbaa !11
  %36 = getelementptr inbounds i8, ptr %14, i64 16
  store ptr %15, ptr %36, align 8, !tbaa !12
  %37 = getelementptr inbounds i8, ptr %15, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %37, i8 0, i64 16, i1 false)
  %38 = call i32 @maxPathSum(ptr noundef nonnull %8)
  %39 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %38)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %15) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %14) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %13) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #4
  ret i32 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: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare hidden i32 @maxPathSum(ptr noundef) local_unnamed_addr #0

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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, !7, i64 0}
!6 = !{!"TreeNode", !7, i64 0, !10, i64 8, !10, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!6, !10, i64 16}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass