; LLVM IR from libtcod/libtcod :: src/libtcod/bsp.ll (ZN7TCODBsp8findNodeEii)

; 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"

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK7TCODBsp7getLeftEv(ptr noundef nonnull align 8 dereferenceable(54)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK7TCODBsp8getRightEv(ptr noundef nonnull align 8 dereferenceable(54)) #0 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK7TCODBsp8containsEii(ptr noundef nonnull align 8 dereferenceable(54), i32 noundef, i32 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN7TCODBsp8findNodeEii(ptr noundef nonnull align 8 dereferenceable(54) %0, i32 noundef %1, i32 noundef %2) #2 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %11 = load ptr, ptr %5, align 8
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = call noundef zeroext i1 @_ZNK7TCODBsp8containsEii(ptr noundef nonnull align 8 dereferenceable(54) %11, i32 noundef %12, i32 noundef %13)
  br i1 %14, label %16, label %15

15:                                               ; preds = %3
  store ptr null, ptr %4, align 8
  br label %45

16:                                               ; preds = %3
  %17 = call noundef zeroext i1 @_ZNK7TCODBsp6isLeafEv(ptr noundef nonnull align 8 dereferenceable(54) %11)
  br i1 %17, label %44, label %18

18:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %19 = call noundef ptr @_ZNK7TCODBsp7getLeftEv(ptr noundef nonnull align 8 dereferenceable(54) %11)
  store ptr %19, ptr %8, align 8, !tbaa !5
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = load i32, ptr %6, align 4, !tbaa !9
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = call noundef zeroext i1 @_ZNK7TCODBsp8containsEii(ptr noundef nonnull align 8 dereferenceable(54) %20, i32 noundef %21, i32 noundef %22)
  br i1 %23, label %24, label %29

24:                                               ; preds = %18
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  %26 = load i32, ptr %6, align 4, !tbaa !9
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = call noundef ptr @_ZN7TCODBsp8findNodeEii(ptr noundef nonnull align 8 dereferenceable(54) %25, i32 noundef %26, i32 noundef %27)
  store ptr %28, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %41

29:                                               ; preds = %18
  %30 = call noundef ptr @_ZNK7TCODBsp8getRightEv(ptr noundef nonnull align 8 dereferenceable(54) %11)
  store ptr %30, ptr %9, align 8, !tbaa !5
  %31 = load ptr, ptr %9, align 8, !tbaa !5
  %32 = load i32, ptr %6, align 4, !tbaa !9
  %33 = load i32, ptr %7, align 4, !tbaa !9
  %34 = call noundef zeroext i1 @_ZNK7TCODBsp8containsEii(ptr noundef nonnull align 8 dereferenceable(54) %31, i32 noundef %32, i32 noundef %33)
  br i1 %34, label %35, label %40

35:                                               ; preds = %29
  %36 = load ptr, ptr %9, align 8, !tbaa !5
  %37 = load i32, ptr %6, align 4, !tbaa !9
  %38 = load i32, ptr %7, align 4, !tbaa !9
  %39 = call noundef ptr @_ZN7TCODBsp8findNodeEii(ptr noundef nonnull align 8 dereferenceable(54) %36, i32 noundef %37, i32 noundef %38)
  store ptr %39, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %41

40:                                               ; preds = %29
  store i32 0, ptr %10, align 4
  br label %41

41:                                               ; preds = %40, %35, %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %42 = load i32, ptr %10, align 4
  switch i32 %42, label %47 [
    i32 0, label %43
    i32 1, label %45
  ]

43:                                               ; preds = %41
  br label %44

44:                                               ; preds = %43, %16
  store ptr %11, ptr %4, align 8
  br label %45

45:                                               ; preds = %44, %41, %15
  %46 = load ptr, ptr %4, align 8
  ret ptr %46

47:                                               ; preds = %41
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK7TCODBsp6isLeafEv(ptr noundef nonnull align 8 dereferenceable(54)) #0 align 2

attributes #0 = { mustprogress 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 = { 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 #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, !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}


; 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 nounwind uwtable
declare dso_local noundef ptr @_ZNK7TCODBsp7getLeftEv(ptr noundef nonnull align 8 dereferenceable(54)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK7TCODBsp8getRightEv(ptr noundef nonnull align 8 dereferenceable(54)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK7TCODBsp8containsEii(ptr noundef nonnull align 8 dereferenceable(54), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZN7TCODBsp8findNodeEii(ptr noundef nonnull align 8 dereferenceable(54) %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 align 2 {
  %4 = tail call noundef zeroext i1 @_ZNK7TCODBsp8containsEii(ptr noundef nonnull align 8 dereferenceable(54) %0, i32 noundef %1, i32 noundef %2)
  br i1 %4, label %.lr.ph, label %.thread

.lr.ph:                                           ; preds = %3, %tailrecurse.backedge
  %.tr22 = phi ptr [ %.tr.be, %tailrecurse.backedge ], [ %0, %3 ]
  %5 = tail call noundef zeroext i1 @_ZNK7TCODBsp6isLeafEv(ptr noundef nonnull align 8 dereferenceable(54) %.tr22)
  br i1 %5, label %.thread, label %6

6:                                                ; preds = %.lr.ph
  %7 = tail call noundef ptr @_ZNK7TCODBsp7getLeftEv(ptr noundef nonnull align 8 dereferenceable(54) %.tr22)
  %8 = tail call noundef zeroext i1 @_ZNK7TCODBsp8containsEii(ptr noundef nonnull align 8 dereferenceable(54) %7, i32 noundef %1, i32 noundef %2)
  br i1 %8, label %tailrecurse.backedge, label %10

tailrecurse.backedge:                             ; preds = %6, %10
  %.tr.be = phi ptr [ %7, %6 ], [ %11, %10 ]
  %9 = tail call noundef zeroext i1 @_ZNK7TCODBsp8containsEii(ptr noundef nonnull align 8 dereferenceable(54) %.tr.be, i32 noundef %1, i32 noundef %2)
  br i1 %9, label %.lr.ph, label %.thread

10:                                               ; preds = %6
  %11 = tail call noundef ptr @_ZNK7TCODBsp8getRightEv(ptr noundef nonnull align 8 dereferenceable(54) %.tr22)
  %12 = tail call noundef zeroext i1 @_ZNK7TCODBsp8containsEii(ptr noundef nonnull align 8 dereferenceable(54) %11, i32 noundef %1, i32 noundef %2)
  br i1 %12, label %tailrecurse.backedge, label %.thread

.thread:                                          ; preds = %tailrecurse.backedge, %10, %.lr.ph, %3
  %.1 = phi ptr [ null, %3 ], [ %.tr22, %.lr.ph ], [ %.tr22, %10 ], [ null, %tailrecurse.backedge ]
  ret ptr %.1
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK7TCODBsp6isLeafEv(ptr noundef nonnull align 8 dereferenceable(54)) local_unnamed_addr #0 align 2

attributes #0 = { mustprogress 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" }

!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)"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass