; LLVM IR from codemistic/Data-Structures-and-Algorithms :: Trees/BottomView.ll (Z21setHorizontalDistanceP4Treei)

; 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"

%class.Tree = type { i32, i32, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z21setHorizontalDistanceP4Treei(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %2
  br label %22

8:                                                ; preds = %2
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %class.Tree, ptr %10, i32 0, i32 1
  store i32 %9, ptr %11, align 4, !tbaa !11
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %class.Tree, ptr %12, i32 0, i32 2
  %14 = load ptr, ptr %13, align 8, !tbaa !13
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = sub nsw i32 %15, 1
  call void @_Z21setHorizontalDistanceP4Treei(ptr noundef %14, i32 noundef %16)
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %class.Tree, ptr %17, i32 0, i32 3
  %19 = load ptr, ptr %18, align 8, !tbaa !14
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = add nsw i32 %20, 1
  call void @_Z21setHorizontalDistanceP4Treei(ptr noundef %19, i32 noundef %21)
  br label %22

22:                                               ; preds = %8, %7
  ret void
}

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" }

!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 = !{!12, !10, i64 4}
!12 = !{!"_ZTS4Tree", !10, i64 0, !10, i64 4, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 8}
!14 = !{!12, !6, 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"

; Function Attrs: mustprogress nofree nosync nounwind memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @_Z21setHorizontalDistanceP4Treei(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  br i1 %3, label %tailrecurse._crit_edge, label %tailrecurse

tailrecurse:                                      ; preds = %2, %tailrecurse
  %.tr68 = phi i32 [ %10, %tailrecurse ], [ %1, %2 ]
  %.tr7 = phi ptr [ %9, %tailrecurse ], [ %0, %2 ]
  %4 = getelementptr inbounds i8, ptr %.tr7, i64 4
  store i32 %.tr68, ptr %4, align 4, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %.tr7, i64 8
  %6 = load ptr, ptr %5, align 8, !tbaa !11
  %7 = add nsw i32 %.tr68, -1
  tail call void @_Z21setHorizontalDistanceP4Treei(ptr noundef %6, i32 noundef %7)
  %8 = getelementptr inbounds i8, ptr %.tr7, i64 16
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %10 = add nsw i32 %.tr68, 1
  %11 = icmp eq ptr %9, null
  br i1 %11, label %tailrecurse._crit_edge, label %tailrecurse

tailrecurse._crit_edge:                           ; preds = %tailrecurse, %2
  ret void
}

attributes #0 = { mustprogress nofree nosync nounwind memory(readwrite, inaccessiblemem: none) 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, !7, i64 4}
!6 = !{!"_ZTS4Tree", !7, i64 0, !7, i64 4, !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: GlobalOptPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass