; LLVM IR from Izaron/ACM-ICPC :: Russian Council of School Olympiads (R.S.O.Sh.)/Zaoch/2017/strudel.ll (Z6solve1v)

; 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.__gnu_pbds::tree" = type { %"class.__gnu_pbds::basic_branch" }
%"class.__gnu_pbds::basic_branch" = type { %"class.__gnu_pbds::detail::rb_tree_set" }
%"class.__gnu_pbds::detail::rb_tree_set" = type { %"class.__gnu_pbds::detail::bin_search_tree_set" }
%"class.__gnu_pbds::detail::bin_search_tree_set" = type { %"class.__gnu_pbds::tree_order_statistics_node_update", [8 x i8], ptr, i64 }
%"class.__gnu_pbds::tree_order_statistics_node_update" = type { %"struct.__gnu_pbds::detail::branch_policy" }
%"struct.__gnu_pbds::detail::branch_policy" = type { ptr }
%"struct.std::pair.0" = type <{ %"class.__gnu_pbds::detail::bin_search_tree_const_it_", i8, [7 x i8] }>
%"class.__gnu_pbds::detail::bin_search_tree_const_it_" = type { ptr }

@n = external dso_local global i32, align 4
@m = external dso_local global i64, align 8
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; 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
define dso_local void @_Z6solve1v() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.__gnu_pbds::tree", align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair.0", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  %12 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr %1) #6
  call void @_ZN10__gnu_pbds4treeIiNS_9null_typeESt4lessIiENS_11rb_tree_tagENS_33tree_order_statistics_node_updateESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %30, %0
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = load i64, ptr @m, align 8, !tbaa !9
  %19 = icmp slt i64 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %37

21:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %5, align 4, !tbaa !5
  %24 = invoke { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %25 unwind label %33

25:                                               ; preds = %21
  %26 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 0
  %27 = extractvalue { ptr, i8 } %24, 0
  store ptr %27, ptr %26, align 8
  %28 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 1
  %29 = extractvalue { ptr, i8 } %24, 1
  store i8 %29, ptr %28, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %30

30:                                               ; preds = %25
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = add nsw i32 %31, 1
  store i32 %32, ptr %4, align 4, !tbaa !5
  br label %15, !llvm.loop !11

33:                                               ; preds = %21
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %6, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %110

37:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %38

38:                                               ; preds = %105, %37
  %39 = load i32, ptr %9, align 4, !tbaa !5
  %40 = load i32, ptr @n, align 4, !tbaa !5
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %43, label %42

42:                                               ; preds = %38
  store i32 5, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %109

43:                                               ; preds = %38
  %44 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
          to label %45 unwind label %74

45:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %46 = load i32, ptr %2, align 4, !tbaa !5
  %47 = sub nsw i32 %46, 1
  %48 = sext i32 %47 to i64
  %49 = invoke ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) %1, i64 noundef %48)
          to label %50 unwind label %78

50:                                               ; preds = %45
  %51 = getelementptr inbounds %"class.__gnu_pbds::detail::bin_search_tree_const_it_", ptr %11, i32 0, i32 0
  store ptr %49, ptr %51, align 8
  %52 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %53 unwind label %78

53:                                               ; preds = %50
  %54 = load i32, ptr %52, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %55 = load i32, ptr %3, align 4, !tbaa !5
  %56 = sub nsw i32 %55, 1
  %57 = sext i32 %56 to i64
  %58 = invoke ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) %1, i64 noundef %57)
          to label %59 unwind label %82

59:                                               ; preds = %53
  %60 = getelementptr inbounds %"class.__gnu_pbds::detail::bin_search_tree_const_it_", ptr %12, i32 0, i32 0
  store ptr %58, ptr %60, align 8
  %61 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %62 unwind label %82

62:                                               ; preds = %59
  %63 = load i32, ptr %61, align 4, !tbaa !5
  %64 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %54, i32 noundef %63)
          to label %65 unwind label %82

65:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  %66 = load i32, ptr %3, align 4, !tbaa !5
  %67 = sub nsw i32 %66, 1
  store i32 %67, ptr %13, align 4, !tbaa !5
  br label %68

68:                                               ; preds = %97, %65
  %69 = load i32, ptr %13, align 4, !tbaa !5
  %70 = load i32, ptr %2, align 4, !tbaa !5
  %71 = sub nsw i32 %70, 1
  %72 = icmp sge i32 %69, %71
  br i1 %72, label %87, label %73

73:                                               ; preds = %68
  store i32 8, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %104

74:                                               ; preds = %43
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %6, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %7, align 4
  br label %108

78:                                               ; preds = %50, %45
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %6, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %7, align 4
  br label %86

82:                                               ; preds = %62, %59, %53
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %6, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %86

86:                                               ; preds = %82, %78
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %108

87:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %88 = load i32, ptr %13, align 4, !tbaa !5
  %89 = sext i32 %88 to i64
  %90 = invoke ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) %1, i64 noundef %89)
          to label %91 unwind label %100

91:                                               ; preds = %87
  %92 = getelementptr inbounds %"class.__gnu_pbds::detail::bin_search_tree_const_it_", ptr %14, i32 0, i32 0
  store ptr %90, ptr %92, align 8
  %93 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14)
          to label %94 unwind label %100

94:                                               ; preds = %91
  %95 = invoke noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E5eraseERKi(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 4 dereferenceable(4) %93)
          to label %96 unwind label %100

96:                                               ; preds = %94
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %97

97:                                               ; preds = %96
  %98 = load i32, ptr %13, align 4, !tbaa !5
  %99 = sub nsw i32 %98, 2
  store i32 %99, ptr %13, align 4, !tbaa !5
  br label %68, !llvm.loop !13

100:                                              ; preds = %94, %91, %87
  %101 = landingpad { ptr, i32 }
          cleanup
  %102 = extractvalue { ptr, i32 } %101, 0
  store ptr %102, ptr %6, align 8
  %103 = extractvalue { ptr, i32 } %101, 1
  store i32 %103, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %108

104:                                              ; preds = %73
  br label %105

105:                                              ; preds = %104
  %106 = load i32, ptr %9, align 4, !tbaa !5
  %107 = add nsw i32 %106, 1
  store i32 %107, ptr %9, align 4, !tbaa !5
  br label %38, !llvm.loop !14

108:                                              ; preds = %100, %86, %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %110

109:                                              ; preds = %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  call void @_ZN10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %1) #6
  ret void

110:                                              ; preds = %108, %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  call void @_ZN10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %1) #6
  br label %111

111:                                              ; preds = %110
  %112 = load ptr, ptr %6, align 8
  %113 = load i32, ptr %7, align 4
  %114 = insertvalue { ptr, i32 } poison, ptr %112, 0
  %115 = insertvalue { ptr, i32 } %114, i32 %113, 1
  resume { ptr, i32 } %115
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10__gnu_pbds4treeIiNS_9null_typeESt4lessIiENS_11rb_tree_tagENS_33tree_order_statistics_node_updateESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

declare i32 @__gxx_personality_v0(...)

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E5eraseERKi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 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 = { inlinehint 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 = { "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 #4 = { inlinehint 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 #5 = { 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 #6 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; 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"

%"class.__gnu_pbds::tree" = type { %"class.__gnu_pbds::basic_branch" }
%"class.__gnu_pbds::basic_branch" = type { %"class.__gnu_pbds::detail::rb_tree_set" }
%"class.__gnu_pbds::detail::rb_tree_set" = type { %"class.__gnu_pbds::detail::bin_search_tree_set" }
%"class.__gnu_pbds::detail::bin_search_tree_set" = type { %"class.__gnu_pbds::tree_order_statistics_node_update", [8 x i8], ptr, i64 }
%"class.__gnu_pbds::tree_order_statistics_node_update" = type { %"struct.__gnu_pbds::detail::branch_policy" }
%"struct.__gnu_pbds::detail::branch_policy" = type { ptr }
%"class.__gnu_pbds::detail::bin_search_tree_const_it_" = type { ptr }

@n = external dso_local local_unnamed_addr global i32, align 4
@m = external dso_local local_unnamed_addr global i64, align 8
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; 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
define dso_local void @_Z6solve1v() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.__gnu_pbds::tree", align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  %6 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  %7 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #6
  call void @_ZN10__gnu_pbds4treeIiNS_9null_typeESt4lessIiENS_11rb_tree_tagENS_33tree_order_statistics_node_updateESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  %8 = load i64, ptr @m, align 8, !tbaa !5
  %9 = icmp sgt i64 %8, 0
  br i1 %9, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %14, %0
  %10 = load i32, ptr @n, align 4, !tbaa !9
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph25, label %._crit_edge26

.lr.ph:                                           ; preds = %0, %14
  %indvars.iv = phi i64 [ %indvars.iv.next, %14 ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %12 = trunc nuw i64 %indvars.iv.next to i32
  store i32 %12, ptr %4, align 4, !tbaa !9
  %13 = invoke { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %14 unwind label %17

14:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %15 = load i64, ptr @m, align 8, !tbaa !5
  %16 = icmp sgt i64 %15, %indvars.iv.next
  br i1 %16, label %.lr.ph, label %.preheader, !llvm.loop !11

17:                                               ; preds = %.lr.ph
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %56

._crit_edge26:                                    ; preds = %._crit_edge, %.preheader
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @_ZN10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  ret void

.lr.ph25:                                         ; preds = %.preheader, %._crit_edge
  %.0924 = phi i32 [ %39, %._crit_edge ], [ 0, %.preheader ]
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %20 = load i32, ptr %2, align 4, !tbaa !9
  %21 = add nsw i32 %20, -1
  %22 = sext i32 %21 to i64
  %23 = invoke ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) %1, i64 noundef %22)
          to label %24 unwind label %42

24:                                               ; preds = %.lr.ph25
  store ptr %23, ptr %5, align 8
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5)
  %26 = load i32, ptr %25, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %27 = load i32, ptr %3, align 4, !tbaa !9
  %28 = add nsw i32 %27, -1
  %29 = sext i32 %28 to i64
  %30 = invoke ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) %1, i64 noundef %29)
          to label %31 unwind label %44

31:                                               ; preds = %24
  store ptr %30, ptr %6, align 8
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6)
  %33 = load i32, ptr %32, align 4, !tbaa !9
  %34 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %26, i32 noundef %33)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %35 = load i32, ptr %3, align 4, !tbaa !9
  %36 = load i32, ptr %2, align 4, !tbaa !9
  %.not21 = icmp slt i32 %35, %36
  br i1 %.not21, label %._crit_edge, label %.lr.ph23.preheader

.lr.ph23.preheader:                               ; preds = %31
  %37 = add i32 %35, -1
  %38 = sext i32 %37 to i64
  br label %.lr.ph23

._crit_edge:                                      ; preds = %51, %31
  %39 = add nuw nsw i32 %.0924, 1
  %40 = load i32, ptr @n, align 4, !tbaa !9
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %.lr.ph25, label %._crit_edge26, !llvm.loop !13

42:                                               ; preds = %.lr.ph25
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %46

44:                                               ; preds = %24
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br label %46

46:                                               ; preds = %44, %42
  %.pn = phi { ptr, i32 } [ %45, %44 ], [ %43, %42 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %56

.lr.ph23:                                         ; preds = %.lr.ph23.preheader, %51
  %indvars.iv28 = phi i64 [ %38, %.lr.ph23.preheader ], [ %indvars.iv.next29, %51 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %47 = invoke ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) %1, i64 noundef %indvars.iv28)
          to label %48 unwind label %54

48:                                               ; preds = %.lr.ph23
  store ptr %47, ptr %7, align 8
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7)
  %50 = invoke noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E5eraseERKi(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 4 dereferenceable(4) %49)
          to label %51 unwind label %54

51:                                               ; preds = %48
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  %indvars.iv.next29 = add nsw i64 %indvars.iv28, -2
  %52 = load i32, ptr %2, align 4, !tbaa !9
  %53 = sext i32 %52 to i64
  %.not.not = icmp sgt i64 %indvars.iv28, %53
  br i1 %.not.not, label %.lr.ph23, label %._crit_edge, !llvm.loop !14

54:                                               ; preds = %48, %.lr.ph23
  %55 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %56

56:                                               ; preds = %46, %54, %17
  %.pn18 = phi { ptr, i32 } [ %18, %17 ], [ %55, %54 ], [ %.pn, %46 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @_ZN10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn18
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10__gnu_pbds4treeIiNS_9null_typeESt4lessIiENS_11rb_tree_tagENS_33tree_order_statistics_node_updateESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E5eraseERKi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_ED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 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 = { inlinehint 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 = { nofree nounwind "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 #4 = { inlinehint 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 #5 = { 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 #6 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass