; LLVM IR from openai/procgen :: procgen/src/mazegen.ll (ZN7MazeGen13get_neighborsEiiRSt6vectorIiSaIiEE)

; 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.MazeGen = type { %class.Grid, ptr, i32, i32, i32, %"class.std::vector.0", %"class.std::vector", %"class.std::set", %"class.std::vector" }
%class.Grid = type { i32, i32, %"class.std::vector" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; 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 i32 @_ZN7MazeGen7get_objEi(ptr noundef nonnull align 8 dereferenceable(176), i32 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7MazeGen13get_neighborsEiiRSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull align 8 dereferenceable(24) %3) #1 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = 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
  store ptr %3, ptr %8, align 8, !tbaa !5
  %15 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = getelementptr inbounds %class.MazeGen, ptr %15, i32 0, i32 3
  %18 = load i32, ptr %17, align 4, !tbaa !11
  %19 = srem i32 %16, %18
  store i32 %19, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = getelementptr inbounds %class.MazeGen, ptr %15, i32 0, i32 3
  %22 = load i32, ptr %21, align 4, !tbaa !11
  %23 = sdiv i32 %20, %22
  store i32 %23, ptr %10, align 4, !tbaa !9
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %24) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  store i32 -1, ptr %11, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %68, %4
  %26 = load i32, ptr %11, align 4, !tbaa !9
  %27 = icmp sle i32 %26, 1
  br i1 %27, label %29, label %28

28:                                               ; preds = %25
  store i32 2, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %71

29:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  store i32 -1, ptr %13, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %64, %29
  %31 = load i32, ptr %13, align 4, !tbaa !9
  %32 = icmp sle i32 %31, 1
  br i1 %32, label %34, label %33

33:                                               ; preds = %30
  store i32 5, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  br label %67

34:                                               ; preds = %30
  %35 = load i32, ptr %11, align 4, !tbaa !9
  %36 = icmp eq i32 %35, 0
  br i1 %36, label %37, label %41

37:                                               ; preds = %34
  %38 = load i32, ptr %13, align 4, !tbaa !9
  %39 = icmp eq i32 %38, 0
  br i1 %39, label %40, label %41

40:                                               ; preds = %37
  br label %64

41:                                               ; preds = %37, %34
  %42 = load i32, ptr %11, align 4, !tbaa !9
  %43 = icmp ne i32 %42, 0
  br i1 %43, label %44, label %48

44:                                               ; preds = %41
  %45 = load i32, ptr %13, align 4, !tbaa !9
  %46 = icmp ne i32 %45, 0
  br i1 %46, label %47, label %48

47:                                               ; preds = %44
  br label %64

48:                                               ; preds = %44, %41
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  %49 = getelementptr inbounds %class.MazeGen, ptr %15, i32 0, i32 0
  %50 = load i32, ptr %9, align 4, !tbaa !9
  %51 = load i32, ptr %11, align 4, !tbaa !9
  %52 = add nsw i32 %50, %51
  %53 = load i32, ptr %10, align 4, !tbaa !9
  %54 = load i32, ptr %13, align 4, !tbaa !9
  %55 = add nsw i32 %53, %54
  %56 = call noundef i32 @_ZNK4GridIiE8to_indexEii(ptr noundef nonnull align 8 dereferenceable(32) %49, i32 noundef %52, i32 noundef %55)
  store i32 %56, ptr %14, align 4, !tbaa !9
  %57 = load i32, ptr %14, align 4, !tbaa !9
  %58 = call noundef i32 @_ZN7MazeGen7get_objEi(ptr noundef nonnull align 8 dereferenceable(176) %15, i32 noundef %57)
  %59 = load i32, ptr %7, align 4, !tbaa !9
  %60 = icmp eq i32 %58, %59
  br i1 %60, label %61, label %63

61:                                               ; preds = %48
  %62 = load ptr, ptr %8, align 8, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %62, ptr noundef nonnull align 4 dereferenceable(4) %14)
  br label %63

63:                                               ; preds = %61, %48
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  br label %64

64:                                               ; preds = %63, %47, %40
  %65 = load i32, ptr %13, align 4, !tbaa !9
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %13, align 4, !tbaa !9
  br label %30, !llvm.loop !31

67:                                               ; preds = %33
  br label %68

68:                                               ; preds = %67
  %69 = load i32, ptr %11, align 4, !tbaa !9
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %11, align 4, !tbaa !9
  br label %25, !llvm.loop !33

71:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4GridIiE8to_indexEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

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 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 #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}
!11 = !{!12, !10, i64 44}
!12 = !{!"_ZTS7MazeGen", !13, i64 0, !6, i64 32, !10, i64 40, !10, i64 44, !10, i64 48, !18, i64 56, !14, i64 80, !22, i64 104, !14, i64 152}
!13 = !{!"_ZTS4GridIiE", !10, i64 0, !10, i64 4, !14, i64 8}
!14 = !{!"_ZTSSt6vectorIiSaIiEE", !15, i64 0}
!15 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!18 = !{!"_ZTSSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EE", !19, i64 0}
!19 = !{!"_ZTSSt12_Vector_baseISt3setIiSt4lessIiESaIiEESaIS4_EE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseISt3setIiSt4lessIiESaIiEESaIS4_EE12_Vector_implE", !21, i64 0}
!21 = !{!"_ZTSNSt12_Vector_baseISt3setIiSt4lessIiESaIiEESaIS4_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!22 = !{!"_ZTSSt3setIiSt4lessIiESaIiEE", !23, i64 0}
!23 = !{!"_ZTSSt8_Rb_treeIiiSt9_IdentityIiESt4lessIiESaIiEE", !24, i64 0}
!24 = !{!"_ZTSNSt8_Rb_treeIiiSt9_IdentityIiESt4lessIiESaIiEE13_Rb_tree_implIS3_Lb1EEE", !25, i64 0, !27, i64 8}
!25 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIiEE", !26, i64 0}
!26 = !{!"_ZTSSt4lessIiE"}
!27 = !{!"_ZTSSt15_Rb_tree_header", !28, i64 0, !30, i64 32}
!28 = !{!"_ZTSSt18_Rb_tree_node_base", !29, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!29 = !{!"_ZTSSt14_Rb_tree_color", !7, i64 0}
!30 = !{!"long", !7, i64 0}
!31 = distinct !{!31, !32}
!32 = !{!"llvm.loop.mustprogress"}
!33 = distinct !{!33, !32}


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

; Function Attrs: mustprogress 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 i32 @_ZN7MazeGen7get_objEi(ptr noundef nonnull align 8 dereferenceable(176), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7MazeGen13get_neighborsEiiRSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull align 8 dereferenceable(24) %3) local_unnamed_addr #1 align 2 {
.preheader:
  %4 = alloca i32, align 4
  %5 = getelementptr inbounds i8, ptr %0, i64 44
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = srem i32 %1, %6
  %8 = sdiv i32 %1, %6
  tail call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  %9 = add nsw i32 %8, -1
  %10 = add nsw i32 %8, 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %11 = add nsw i32 %7, -1
  %12 = tail call noundef i32 @_ZNK4GridIiE8to_indexEii(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %11, i32 noundef %8)
  store i32 %12, ptr %4, align 4, !tbaa !29
  %13 = tail call noundef i32 @_ZN7MazeGen7get_objEi(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %12)
  %14 = icmp eq i32 %13, %2
  br i1 %14, label %26, label %.split.us.loopexit25

15:                                               ; preds = %.split.us.loopexit25
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  br label %16

16:                                               ; preds = %15, %.split.us.loopexit25
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %17 = call noundef i32 @_ZNK4GridIiE8to_indexEii(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %7, i32 noundef %10)
  store i32 %17, ptr %4, align 4, !tbaa !29
  %18 = call noundef i32 @_ZN7MazeGen7get_objEi(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %17)
  %19 = icmp eq i32 %18, %2
  br i1 %19, label %20, label %.split.us.loopexit.1

20:                                               ; preds = %16
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  br label %.split.us.loopexit.1

.split.us.loopexit.1:                             ; preds = %20, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %21 = add nsw i32 %7, 1
  %22 = call noundef i32 @_ZNK4GridIiE8to_indexEii(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %21, i32 noundef %8)
  store i32 %22, ptr %4, align 4, !tbaa !29
  %23 = call noundef i32 @_ZN7MazeGen7get_objEi(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %22)
  %24 = icmp eq i32 %23, %2
  br i1 %24, label %25, label %.split.us.loopexit25.2

25:                                               ; preds = %.split.us.loopexit.1
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  br label %.split.us.loopexit25.2

.split.us.loopexit25.2:                           ; preds = %25, %.split.us.loopexit.1
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  ret void

26:                                               ; preds = %.preheader
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  br label %.split.us.loopexit25

.split.us.loopexit25:                             ; preds = %26, %.preheader
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %27 = call noundef i32 @_ZNK4GridIiE8to_indexEii(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %7, i32 noundef %9)
  store i32 %27, ptr %4, align 4, !tbaa !29
  %28 = call noundef i32 @_ZN7MazeGen7get_objEi(ptr noundef nonnull align 8 dereferenceable(176) %0, i32 noundef %27)
  %29 = icmp eq i32 %28, %2
  br i1 %29, label %15, label %16
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4GridIiE8to_indexEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress 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 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 #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, !8, i64 44}
!6 = !{!"_ZTS7MazeGen", !7, i64 0, !15, i64 32, !8, i64 40, !8, i64 44, !8, i64 48, !16, i64 56, !11, i64 80, !20, i64 104, !11, i64 152}
!7 = !{!"_ZTS4GridIiE", !8, i64 0, !8, i64 4, !11, i64 8}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"_ZTSSt6vectorIiSaIiEE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!15 = !{!"any pointer", !9, i64 0}
!16 = !{!"_ZTSSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseISt3setIiSt4lessIiESaIiEESaIS4_EE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseISt3setIiSt4lessIiESaIiEESaIS4_EE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseISt3setIiSt4lessIiESaIiEESaIS4_EE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!20 = !{!"_ZTSSt3setIiSt4lessIiESaIiEE", !21, i64 0}
!21 = !{!"_ZTSSt8_Rb_treeIiiSt9_IdentityIiESt4lessIiESaIiEE", !22, i64 0}
!22 = !{!"_ZTSNSt8_Rb_treeIiiSt9_IdentityIiESt4lessIiESaIiEE13_Rb_tree_implIS3_Lb1EEE", !23, i64 0, !25, i64 8}
!23 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIiEE", !24, i64 0}
!24 = !{!"_ZTSSt4lessIiE"}
!25 = !{!"_ZTSSt15_Rb_tree_header", !26, i64 0, !28, i64 32}
!26 = !{!"_ZTSSt18_Rb_tree_node_base", !27, i64 0, !15, i64 8, !15, i64 16, !15, i64 24}
!27 = !{!"_ZTSSt14_Rb_tree_color", !9, i64 0}
!28 = !{!"long", !9, i64 0}
!29 = !{!8, !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass