; LLVM IR from libtcod/libtcod :: src/libtcod (bsp_c)

; 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: 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: nounwind uwtable
declare dso_local ptr @TCOD_bsp_left(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @TCOD_bsp_right(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @TCOD_bsp_is_leaf(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @TCOD_bsp_contains(ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @TCOD_bsp_find_node(ptr noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %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, !tbaa !5
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = call zeroext i1 @TCOD_bsp_contains(ptr noundef %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 %49

16:                                               ; preds = %3
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = call zeroext i1 @TCOD_bsp_is_leaf(ptr noundef %17)
  br i1 %18, label %47, label %19

19:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = call ptr @TCOD_bsp_left(ptr noundef %20)
  store ptr %21, ptr %8, align 8, !tbaa !5
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = load i32, ptr %6, align 4, !tbaa !9
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = call zeroext i1 @TCOD_bsp_contains(ptr noundef %22, i32 noundef %23, i32 noundef %24)
  br i1 %25, label %26, label %31

26:                                               ; preds = %19
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = load i32, ptr %7, align 4, !tbaa !9
  %30 = call ptr @TCOD_bsp_find_node(ptr noundef %27, i32 noundef %28, i32 noundef %29)
  store ptr %30, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %44

31:                                               ; preds = %19
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = call ptr @TCOD_bsp_right(ptr noundef %32)
  store ptr %33, ptr %9, align 8, !tbaa !5
  %34 = load ptr, ptr %9, align 8, !tbaa !5
  %35 = load i32, ptr %6, align 4, !tbaa !9
  %36 = load i32, ptr %7, align 4, !tbaa !9
  %37 = call zeroext i1 @TCOD_bsp_contains(ptr noundef %34, i32 noundef %35, i32 noundef %36)
  br i1 %37, label %38, label %43

38:                                               ; preds = %31
  %39 = load ptr, ptr %9, align 8, !tbaa !5
  %40 = load i32, ptr %6, align 4, !tbaa !9
  %41 = load i32, ptr %7, align 4, !tbaa !9
  %42 = call ptr @TCOD_bsp_find_node(ptr noundef %39, i32 noundef %40, i32 noundef %41)
  store ptr %42, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %44

43:                                               ; preds = %31
  store i32 0, ptr %10, align 4
  br label %44

44:                                               ; preds = %43, %38, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  %45 = load i32, ptr %10, align 4
  switch i32 %45, label %51 [
    i32 0, label %46
    i32 1, label %49
  ]

46:                                               ; preds = %44
  br label %47

47:                                               ; preds = %46, %16
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %48, ptr %4, align 8
  br label %49

49:                                               ; preds = %47, %44, %15
  %50 = load ptr, ptr %4, align 8
  ret ptr %50

51:                                               ; preds = %44
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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/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: nounwind uwtable
declare dso_local ptr @TCOD_bsp_left(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @TCOD_bsp_right(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @TCOD_bsp_is_leaf(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @TCOD_bsp_contains(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @TCOD_bsp_find_node(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = tail call zeroext i1 @TCOD_bsp_contains(ptr noundef %0, i32 noundef %1, i32 noundef %2)
  br i1 %4, label %.lr.ph, label %.thread

.lr.ph:                                           ; preds = %3, %tailrecurse.backedge
  %.tr26 = phi ptr [ %.tr.be, %tailrecurse.backedge ], [ %0, %3 ]
  %5 = tail call zeroext i1 @TCOD_bsp_is_leaf(ptr noundef %.tr26)
  br i1 %5, label %.thread, label %6

6:                                                ; preds = %.lr.ph
  %7 = tail call ptr @TCOD_bsp_left(ptr noundef %.tr26)
  %8 = tail call zeroext i1 @TCOD_bsp_contains(ptr noundef %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 zeroext i1 @TCOD_bsp_contains(ptr noundef %.tr.be, i32 noundef %1, i32 noundef %2)
  br i1 %9, label %.lr.ph, label %.thread

10:                                               ; preds = %6
  %11 = tail call ptr @TCOD_bsp_right(ptr noundef %.tr26)
  %12 = tail call zeroext i1 @TCOD_bsp_contains(ptr noundef %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 ], [ %.tr26, %.lr.ph ], [ %.tr26, %10 ], [ null, %tailrecurse.backedge ]
  ret ptr %.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" }

!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