; LLVM IR from Thre4dripper/DSA-Programs :: 14. Binary Search Tree/Insertion.ll (Z6InsertiP4Node)

; 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 }

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z6InsertiP4Node(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store ptr null, ptr %6, align 8, !tbaa !9
  %8 = load ptr, ptr %5, align 8, !tbaa !9
  %9 = icmp eq ptr %8, null
  br i1 %9, label %10, label %20

10:                                               ; preds = %2
  %11 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #4
  store ptr %11, ptr %6, align 8, !tbaa !9
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.Node, ptr %13, i32 0, i32 0
  store i32 %12, ptr %14, align 8, !tbaa !11
  %15 = load ptr, ptr %6, align 8, !tbaa !9
  %16 = getelementptr inbounds %struct.Node, ptr %15, i32 0, i32 2
  store ptr null, ptr %16, align 8, !tbaa !13
  %17 = load ptr, ptr %6, align 8, !tbaa !9
  %18 = getelementptr inbounds %struct.Node, ptr %17, i32 0, i32 1
  store ptr null, ptr %18, align 8, !tbaa !14
  %19 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %19, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %51

20:                                               ; preds = %2
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = load ptr, ptr %5, align 8, !tbaa !9
  %23 = getelementptr inbounds %struct.Node, ptr %22, i32 0, i32 0
  %24 = load i32, ptr %23, align 8, !tbaa !11
  %25 = icmp slt i32 %21, %24
  br i1 %25, label %26, label %34

26:                                               ; preds = %20
  %27 = load i32, ptr %4, align 4, !tbaa !5
  %28 = load ptr, ptr %5, align 8, !tbaa !9
  %29 = getelementptr inbounds %struct.Node, ptr %28, i32 0, i32 1
  %30 = load ptr, ptr %29, align 8, !tbaa !14
  %31 = call noundef ptr @_Z6InsertiP4Node(i32 noundef %27, ptr noundef %30)
  %32 = load ptr, ptr %5, align 8, !tbaa !9
  %33 = getelementptr inbounds %struct.Node, ptr %32, i32 0, i32 1
  store ptr %31, ptr %33, align 8, !tbaa !14
  br label %49

34:                                               ; preds = %20
  %35 = load i32, ptr %4, align 4, !tbaa !5
  %36 = load ptr, ptr %5, align 8, !tbaa !9
  %37 = getelementptr inbounds %struct.Node, ptr %36, i32 0, i32 0
  %38 = load i32, ptr %37, align 8, !tbaa !11
  %39 = icmp sgt i32 %35, %38
  br i1 %39, label %40, label %48

40:                                               ; preds = %34
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = load ptr, ptr %5, align 8, !tbaa !9
  %43 = getelementptr inbounds %struct.Node, ptr %42, i32 0, i32 2
  %44 = load ptr, ptr %43, align 8, !tbaa !13
  %45 = call noundef ptr @_Z6InsertiP4Node(i32 noundef %41, ptr noundef %44)
  %46 = load ptr, ptr %5, align 8, !tbaa !9
  %47 = getelementptr inbounds %struct.Node, ptr %46, i32 0, i32 2
  store ptr %45, ptr %47, align 8, !tbaa !13
  br label %48

48:                                               ; preds = %40, %34
  br label %49

49:                                               ; preds = %48, %26
  %50 = load ptr, ptr %5, align 8, !tbaa !9
  store ptr %50, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %51

51:                                               ; preds = %49, %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %52 = load ptr, ptr %3, align 8
  ret ptr %52
}

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

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

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

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nobuiltin allocsize(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 }
attributes #4 = { builtin allocsize(0) }

!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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTS4Node", !6, i64 0, !10, i64 8, !10, i64 16}
!13 = !{!12, !10, i64 16}
!14 = !{!12, !10, i64 8}


; 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"

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z6InsertiP4Node(i32 noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %1, null
  br i1 %3, label %4, label %7

4:                                                ; preds = %2
  %5 = tail call noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #3
  store i32 %0, ptr %5, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %5, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %6, i8 0, i64 16, i1 false)
  br label %common.ret20

7:                                                ; preds = %2
  %8 = load i32, ptr %1, align 8, !tbaa !5
  %9 = icmp sgt i32 %8, %0
  br i1 %9, label %10, label %14

common.ret20:                                     ; preds = %14, %4, %16, %10
  %common.ret20.op = phi ptr [ %1, %10 ], [ %1, %16 ], [ %5, %4 ], [ %1, %14 ]
  ret ptr %common.ret20.op

10:                                               ; preds = %7
  %11 = getelementptr inbounds i8, ptr %1, i64 8
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = tail call noundef ptr @_Z6InsertiP4Node(i32 noundef %0, ptr noundef %12)
  store ptr %13, ptr %11, align 8, !tbaa !11
  br label %common.ret20

14:                                               ; preds = %7
  %15 = icmp slt i32 %8, %0
  br i1 %15, label %16, label %common.ret20

16:                                               ; preds = %14
  %17 = getelementptr inbounds i8, ptr %1, i64 16
  %18 = load ptr, ptr %17, align 8, !tbaa !12
  %19 = tail call noundef ptr @_Z6InsertiP4Node(i32 noundef %0, ptr noundef %18)
  store ptr %19, ptr %17, align 8, !tbaa !12
  br label %common.ret20
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

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 = { nobuiltin allocsize(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 nounwind willreturn memory(argmem: write) }
attributes #3 = { builtin allocsize(0) }

!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 = !{!"_ZTS4Node", !7, i64 0, !10, i64 8, !10, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple 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,SROAPass,SimplifyCFGPass,TailCallElimPass