; LLVM IR from div-bargali/Data-Structures-and-Algorithms :: C++/Data-Structures/Tree (Binary_Search_Tree_Implementation)

; 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"

@__const.main.ar = external hidden unnamed_addr constant [7 x i32], align 16

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

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z9InsertionP4Nodei(ptr noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7inorderP4Node(ptr noundef) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca [7 x i32], align 16
  %4 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  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 28, ptr %3) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %3, ptr align 16 @__const.main.ar, i64 28, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %16, %0
  %6 = load i32, ptr %4, align 4, !tbaa !9
  %7 = icmp slt i32 %6, 7
  br i1 %7, label %9, label %8

8:                                                ; preds = %5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %19

9:                                                ; preds = %5
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [7 x i32], ptr %3, i64 0, i64 %12
  %14 = load i32, ptr %13, align 4, !tbaa !9
  %15 = call noundef ptr @_Z9InsertionP4Nodei(ptr noundef %10, i32 noundef %14)
  store ptr %15, ptr %2, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %9
  %17 = load i32, ptr %4, align 4, !tbaa !9
  %18 = add nsw i32 %17, 1
  store i32 %18, ptr %4, align 4, !tbaa !9
  br label %5, !llvm.loop !11

19:                                               ; preds = %8
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  call void @_Z7inorderP4Node(ptr noundef %20)
  call void @llvm.lifetime.end.p0(i64 28, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #4
  ret i32 0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@__const.main.ar = external hidden unnamed_addr constant [7 x i32], align 16

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z9InsertionP4Nodei(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7inorderP4Node(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = load i32, ptr @__const.main.ar, align 16, !tbaa !5
  %2 = tail call noundef ptr @_Z9InsertionP4Nodei(ptr noundef null, i32 noundef %1)
  %3 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.ar, i64 4), align 4, !tbaa !5
  %4 = tail call noundef ptr @_Z9InsertionP4Nodei(ptr noundef %2, i32 noundef %3)
  %5 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.ar, i64 8), align 8, !tbaa !5
  %6 = tail call noundef ptr @_Z9InsertionP4Nodei(ptr noundef %4, i32 noundef %5)
  %7 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.ar, i64 12), align 4, !tbaa !5
  %8 = tail call noundef ptr @_Z9InsertionP4Nodei(ptr noundef %6, i32 noundef %7)
  %9 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.ar, i64 16), align 16, !tbaa !5
  %10 = tail call noundef ptr @_Z9InsertionP4Nodei(ptr noundef %8, i32 noundef %9)
  %11 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.ar, i64 20), align 4, !tbaa !5
  %12 = tail call noundef ptr @_Z9InsertionP4Nodei(ptr noundef %10, i32 noundef %11)
  %13 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.ar, i64 24), align 8, !tbaa !5
  %14 = tail call noundef ptr @_Z9InsertionP4Nodei(ptr noundef %12, i32 noundef %13)
  tail call void @_Z7inorderP4Node(ptr noundef %14)
  ret i32 0
}

attributes #0 = { 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 #1 = { 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" }

!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"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass