; LLVM IR from bhumijgupta/huffman-compression-library :: examples (benchmark)

; 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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.25 }
%union.anon.25 = type { i32 }
%"class.std::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::allocator" = type { i8 }
%"class.std::unordered_map.5" = type { %"class.std::_Hashtable.6" }
%"class.std::_Hashtable.6" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::bitset" = type { %"struct.std::_Base_bitset" }
%"struct.std::_Base_bitset" = type { i64 }

@.str.4 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [12 x i8], align 1
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.6 = external hidden unnamed_addr constant [48 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [37 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11huffmantool8traverseEPK12charFreqPairRSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS9_ESt8equal_toIS9_ESaISt4pairIKS9_cEEES9_(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef, ptr noundef nonnull align 8 dereferenceable(56), ptr noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN11huffmantool8readTreeERSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 8 dereferenceable(256)) #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt8noskipwsRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #4

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11huffmantool9lposSlashENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #6

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_PKS5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #4

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256)) #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE4openERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZStorSt13_Ios_OpenmodeS_(i32 noundef, i32 noundef) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN12charFreqPairD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2EOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11huffmantool14decompressFileENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 1 dereferenceable(1) %1, ptr noundef %2, ptr noundef %3) #2 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca i1, align 1
  %17 = alloca i1, align 1
  %18 = alloca %"class.std::__cxx11::basic_string", align 8
  %19 = alloca %"class.std::__cxx11::basic_string", align 8
  %20 = alloca %"class.std::basic_ifstream", align 8
  %21 = alloca %"class.std::basic_ofstream", align 8
  %22 = alloca %"class.std::__cxx11::basic_string", align 8
  %23 = alloca %"class.std::allocator", align 1
  %24 = alloca i32, align 4
  %25 = alloca ptr, align 8
  %26 = alloca %"class.std::unordered_map.5", align 8
  %27 = alloca %"class.std::__cxx11::basic_string", align 8
  %28 = alloca %"class.std::allocator", align 1
  %29 = alloca i32, align 4
  %30 = alloca %"class.std::__cxx11::basic_string", align 8
  %31 = alloca %"class.std::allocator", align 1
  %32 = alloca i32, align 4
  %33 = alloca i8, align 1
  %34 = alloca %"class.std::__cxx11::basic_string", align 8
  %35 = alloca %"class.std::bitset", align 8
  %36 = alloca i32, align 4
  %37 = alloca %"class.std::allocator", align 1
  store ptr %0, ptr %5, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  %38 = load ptr, ptr %6, align 8
  %39 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef @.str.4)
  br i1 %39, label %40, label %104

40:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull align 8 dereferenceable(32) %2)
  %41 = call noundef i32 @_ZN11huffmantool9lposSlashENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 1 dereferenceable(1) %38, ptr noundef %10)
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  store i32 %41, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #7
  %42 = load i32, ptr %9, align 4, !tbaa !9
  %43 = add nsw i32 %42, 1
  %44 = sext i32 %43 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %12, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef 0, i64 noundef %44)
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_PKS5_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %11, ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef @.str.8)
          to label %45 unwind label %74

45:                                               ; preds = %40
  %46 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %11) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #7
  %47 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %48 = load i32, ptr %9, align 4, !tbaa !9
  %49 = sext i32 %48 to i64
  %50 = sub i64 %47, %49
  %51 = add i64 %50, 1
  %52 = icmp uge i64 %51, 11
  store i1 false, ptr %16, align 1
  store i1 false, ptr %17, align 1
  br i1 %52, label %53, label %59

53:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #7
  store i1 true, ptr %16, align 1
  %54 = load i32, ptr %9, align 4, !tbaa !9
  %55 = add nsw i32 %54, 1
  %56 = sext i32 %55 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %56, i64 noundef 11)
  store i1 true, ptr %17, align 1
  %57 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef @.str.5)
          to label %58 unwind label %78

58:                                               ; preds = %53
  br label %59

59:                                               ; preds = %58, %45
  %60 = phi i1 [ false, %45 ], [ %57, %58 ]
  %61 = load i1, ptr %17, align 1
  br i1 %61, label %62, label %63

62:                                               ; preds = %59
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #7
  br label %63

63:                                               ; preds = %62, %59
  %64 = load i1, ptr %16, align 1
  br i1 %64, label %65, label %66

65:                                               ; preds = %63
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #7
  br label %66

66:                                               ; preds = %65, %63
  br i1 %60, label %67, label %92

67:                                               ; preds = %66
  call void @llvm.lifetime.start.p0(i64 32, ptr %18) #7
  %68 = load i32, ptr %9, align 4, !tbaa !9
  %69 = add nsw i32 %68, 11
  %70 = add nsw i32 %69, 1
  %71 = sext i32 %70 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %18, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %71, i64 noundef -1)
  %72 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %18)
          to label %73 unwind label %88

73:                                               ; preds = %67
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %18) #7
  br label %102

74:                                               ; preds = %40
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %13, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %14, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #7
  br label %103

78:                                               ; preds = %53
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %13, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %14, align 4
  %82 = load i1, ptr %17, align 1
  br i1 %82, label %83, label %84

83:                                               ; preds = %78
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #7
  br label %84

84:                                               ; preds = %83, %78
  %85 = load i1, ptr %16, align 1
  br i1 %85, label %86, label %87

86:                                               ; preds = %84
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #7
  br label %87

87:                                               ; preds = %86, %84
  br label %103

88:                                               ; preds = %67
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %13, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %14, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %18) #7
  br label %103

92:                                               ; preds = %66
  call void @llvm.lifetime.start.p0(i64 32, ptr %19) #7
  %93 = load i32, ptr %9, align 4, !tbaa !9
  %94 = add nsw i32 %93, 1
  %95 = sext i32 %94 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %19, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %95, i64 noundef -1)
  %96 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %19)
          to label %97 unwind label %98

97:                                               ; preds = %92
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #7
  br label %102

98:                                               ; preds = %92
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %13, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %14, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #7
  br label %103

102:                                              ; preds = %97, %73
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %104

103:                                              ; preds = %98, %88, %87, %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %270

104:                                              ; preds = %102, %4
  call void @llvm.lifetime.start.p0(i64 520, ptr %20) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256) %20)
  call void @llvm.lifetime.start.p0(i64 512, ptr %21) #7
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(248) %21)
          to label %105 unwind label %114

105:                                              ; preds = %104
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %20, ptr noundef nonnull align 8 dereferenceable(32) %2, i32 noundef 8)
          to label %106 unwind label %118

106:                                              ; preds = %105
  %107 = invoke noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256) %20)
          to label %108 unwind label %118

108:                                              ; preds = %106
  br i1 %107, label %135, label %109

109:                                              ; preds = %108
  call void @llvm.lifetime.start.p0(i64 32, ptr %22) #7
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %22, ptr noundef @.str.6, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %110 unwind label %122

110:                                              ; preds = %109
  %111 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull align 8 dereferenceable(32) %22)
          to label %112 unwind label %126

112:                                              ; preds = %110
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %22) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %22) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %23) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %23) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %23)
          to label %113 unwind label %131

113:                                              ; preds = %112
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %23) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %23) #7
  store i32 1, ptr %24, align 4
  br label %267

114:                                              ; preds = %104
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %13, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %14, align 4
  br label %269

118:                                              ; preds = %106, %105
  %119 = landingpad { ptr, i32 }
          cleanup
  %120 = extractvalue { ptr, i32 } %119, 0
  store ptr %120, ptr %13, align 8
  %121 = extractvalue { ptr, i32 } %119, 1
  store i32 %121, ptr %14, align 4
  br label %268

122:                                              ; preds = %109
  %123 = landingpad { ptr, i32 }
          cleanup
  %124 = extractvalue { ptr, i32 } %123, 0
  store ptr %124, ptr %13, align 8
  %125 = extractvalue { ptr, i32 } %123, 1
  store i32 %125, ptr %14, align 4
  br label %130

126:                                              ; preds = %110
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %13, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %14, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %22) #7
  br label %130

130:                                              ; preds = %126, %122
  call void @llvm.lifetime.end.p0(i64 32, ptr %22) #7
  br label %268

131:                                              ; preds = %112
  %132 = landingpad { ptr, i32 }
          cleanup
  %133 = extractvalue { ptr, i32 } %132, 0
  store ptr %133, ptr %13, align 8
  %134 = extractvalue { ptr, i32 } %132, 1
  store i32 %134, ptr %14, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %23) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %23) #7
  br label %268

135:                                              ; preds = %108
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #7
  %136 = invoke noundef ptr @_ZN11huffmantool8readTreeERSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 1 dereferenceable(1) %38, ptr noundef nonnull align 8 dereferenceable(256) %20)
          to label %137 unwind label %180

137:                                              ; preds = %135
  store ptr %136, ptr %25, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 56, ptr %26) #7
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %26) #7
  %138 = load ptr, ptr %25, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %28) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %28) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %27, ptr noundef @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %28)
          to label %139 unwind label %184

139:                                              ; preds = %137
  invoke void @_ZN11huffmantool8traverseEPK12charFreqPairRSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS9_ESt8equal_toIS9_ESaISt4pairIKS9_cEEES9_(ptr noundef nonnull align 1 dereferenceable(1) %38, ptr noundef %138, ptr noundef nonnull align 8 dereferenceable(56) %26, ptr noundef %27)
          to label %140 unwind label %188

140:                                              ; preds = %139
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %27) #7
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %28) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %28) #7
  %141 = load ptr, ptr %25, align 8, !tbaa !5
  %142 = icmp eq ptr %141, null
  br i1 %142, label %144, label %143

143:                                              ; preds = %140
  call void @_ZN12charFreqPairD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %141) #7
  call void @_ZdlPvm(ptr noundef %141, i64 noundef 24) #8
  br label %144

144:                                              ; preds = %143, %140
  call void @llvm.lifetime.start.p0(i64 4, ptr %29) #7
  %145 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef @_ZSt8noskipwsRSt8ios_base)
          to label %146 unwind label %193

146:                                              ; preds = %144
  %147 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %145, ptr noundef nonnull align 4 dereferenceable(4) %29)
          to label %148 unwind label %193

148:                                              ; preds = %146
  %149 = invoke noundef i32 @_ZStorSt13_Ios_OpenmodeS_(i32 noundef 16, i32 noundef 32)
          to label %150 unwind label %193

150:                                              ; preds = %148
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE4openERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %21, ptr noundef nonnull align 8 dereferenceable(32) %3, i32 noundef %149)
          to label %151 unwind label %193

151:                                              ; preds = %150
  call void @llvm.lifetime.start.p0(i64 32, ptr %30) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %31) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %31) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %30, ptr noundef @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %31)
          to label %152 unwind label %197

152:                                              ; preds = %151
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %31) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %31) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %32) #7
  store i32 0, ptr %32, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %33) #7
  br label %153

153:                                              ; preds = %244, %152
  %154 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef @_ZSt8noskipwsRSt8ios_base)
          to label %155 unwind label %201

155:                                              ; preds = %153
  %156 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) %154, ptr noundef nonnull align 1 dereferenceable(1) %33)
          to label %157 unwind label %201

157:                                              ; preds = %155
  %158 = load ptr, ptr %156, align 8, !tbaa !11
  %159 = getelementptr i8, ptr %158, i64 -24
  %160 = load i64, ptr %159, align 8
  %161 = getelementptr inbounds i8, ptr %156, i64 %160
  %162 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %161)
          to label %163 unwind label %201

163:                                              ; preds = %157
  br i1 %162, label %164, label %168

164:                                              ; preds = %163
  %165 = load i32, ptr %32, align 4, !tbaa !9
  %166 = load i32, ptr %29, align 4, !tbaa !9
  %167 = icmp ne i32 %165, %166
  br label %168

168:                                              ; preds = %164, %163
  %169 = phi i1 [ false, %163 ], [ %167, %164 ]
  br i1 %169, label %170, label %246

170:                                              ; preds = %168
  call void @llvm.lifetime.start.p0(i64 32, ptr %34) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %35) #7
  %171 = load i8, ptr %33, align 1, !tbaa !13
  %172 = sext i8 %171 to i64
  call void @_ZNSt6bitsetILm8EEC2Ey(ptr noundef nonnull align 8 dereferenceable(8) %35, i64 noundef %172) #7
  invoke void @_ZNKSt6bitsetILm8EE9to_stringB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %34, ptr noundef nonnull align 8 dereferenceable(8) %35)
          to label %173 unwind label %205

173:                                              ; preds = %170
  call void @llvm.lifetime.end.p0(i64 8, ptr %35) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %36) #7
  store i32 0, ptr %36, align 4, !tbaa !9
  br label %174

174:                                              ; preds = %240, %173
  %175 = load i32, ptr %36, align 4, !tbaa !9
  %176 = zext i32 %175 to i64
  %177 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %34) #7
  %178 = icmp ult i64 %176, %177
  br i1 %178, label %209, label %179

179:                                              ; preds = %174
  store i32 4, ptr %24, align 4
  br label %243

180:                                              ; preds = %135
  %181 = landingpad { ptr, i32 }
          cleanup
  %182 = extractvalue { ptr, i32 } %181, 0
  store ptr %182, ptr %13, align 8
  %183 = extractvalue { ptr, i32 } %181, 1
  store i32 %183, ptr %14, align 4
  br label %266

184:                                              ; preds = %137
  %185 = landingpad { ptr, i32 }
          cleanup
  %186 = extractvalue { ptr, i32 } %185, 0
  store ptr %186, ptr %13, align 8
  %187 = extractvalue { ptr, i32 } %185, 1
  store i32 %187, ptr %14, align 4
  br label %192

188:                                              ; preds = %139
  %189 = landingpad { ptr, i32 }
          cleanup
  %190 = extractvalue { ptr, i32 } %189, 0
  store ptr %190, ptr %13, align 8
  %191 = extractvalue { ptr, i32 } %189, 1
  store i32 %191, ptr %14, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %27) #7
  br label %192

192:                                              ; preds = %188, %184
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %28) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %28) #7
  br label %265

193:                                              ; preds = %150, %148, %146, %144
  %194 = landingpad { ptr, i32 }
          cleanup
  %195 = extractvalue { ptr, i32 } %194, 0
  store ptr %195, ptr %13, align 8
  %196 = extractvalue { ptr, i32 } %194, 1
  store i32 %196, ptr %14, align 4
  br label %264

197:                                              ; preds = %151
  %198 = landingpad { ptr, i32 }
          cleanup
  %199 = extractvalue { ptr, i32 } %198, 0
  store ptr %199, ptr %13, align 8
  %200 = extractvalue { ptr, i32 } %198, 1
  store i32 %200, ptr %14, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %31) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %31) #7
  br label %263

201:                                              ; preds = %252, %247, %246, %157, %155, %153
  %202 = landingpad { ptr, i32 }
          cleanup
  %203 = extractvalue { ptr, i32 } %202, 0
  store ptr %203, ptr %13, align 8
  %204 = extractvalue { ptr, i32 } %202, 1
  store i32 %204, ptr %14, align 4
  br label %262

205:                                              ; preds = %170
  %206 = landingpad { ptr, i32 }
          cleanup
  %207 = extractvalue { ptr, i32 } %206, 0
  store ptr %207, ptr %13, align 8
  %208 = extractvalue { ptr, i32 } %206, 1
  store i32 %208, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %35) #7
  br label %245

209:                                              ; preds = %174
  %210 = load i32, ptr %36, align 4, !tbaa !9
  %211 = zext i32 %210 to i64
  %212 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %34, i64 noundef %211)
          to label %213 unwind label %234

213:                                              ; preds = %209
  %214 = load i8, ptr %212, align 1, !tbaa !13
  %215 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %30, i8 noundef signext %214)
          to label %216 unwind label %234

216:                                              ; preds = %213
  %217 = invoke noundef i64 @_ZNKSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEE5countERSB_(ptr noundef nonnull align 8 dereferenceable(56) %26, ptr noundef nonnull align 8 dereferenceable(32) %30)
          to label %218 unwind label %234

218:                                              ; preds = %216
  %219 = icmp ugt i64 %217, 0
  br i1 %219, label %220, label %239

220:                                              ; preds = %218
  %221 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %26, ptr noundef nonnull align 8 dereferenceable(32) %30)
          to label %222 unwind label %234

222:                                              ; preds = %220
  %223 = load i8, ptr %221, align 1, !tbaa !13
  %224 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %21, i8 noundef signext %223)
          to label %225 unwind label %234

225:                                              ; preds = %222
  %226 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %30, ptr noundef @.str.4)
          to label %227 unwind label %234

227:                                              ; preds = %225
  %228 = load i32, ptr %32, align 4, !tbaa !9
  %229 = add nsw i32 %228, 1
  store i32 %229, ptr %32, align 4, !tbaa !9
  %230 = load i32, ptr %32, align 4, !tbaa !9
  %231 = load i32, ptr %29, align 4, !tbaa !9
  %232 = icmp eq i32 %230, %231
  br i1 %232, label %233, label %238

233:                                              ; preds = %227
  store i32 4, ptr %24, align 4
  br label %243

234:                                              ; preds = %225, %222, %220, %216, %213, %209
  %235 = landingpad { ptr, i32 }
          cleanup
  %236 = extractvalue { ptr, i32 } %235, 0
  store ptr %236, ptr %13, align 8
  %237 = extractvalue { ptr, i32 } %235, 1
  store i32 %237, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %36) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %34) #7
  br label %245

238:                                              ; preds = %227
  br label %239

239:                                              ; preds = %238, %218
  br label %240

240:                                              ; preds = %239
  %241 = load i32, ptr %36, align 4, !tbaa !9
  %242 = add i32 %241, 1
  store i32 %242, ptr %36, align 4, !tbaa !9
  br label %174, !llvm.loop !14

243:                                              ; preds = %233, %179
  call void @llvm.lifetime.end.p0(i64 4, ptr %36) #7
  br label %244

244:                                              ; preds = %243
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %34) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %34) #7
  br label %153, !llvm.loop !16

245:                                              ; preds = %234, %205
  call void @llvm.lifetime.end.p0(i64 32, ptr %34) #7
  br label %262

246:                                              ; preds = %168
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256) %20)
          to label %247 unwind label %201

247:                                              ; preds = %246
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248) %21)
          to label %248 unwind label %201

248:                                              ; preds = %247
  %249 = load i32, ptr %32, align 4, !tbaa !9
  %250 = load i32, ptr %29, align 4, !tbaa !9
  %251 = icmp ne i32 %249, %250
  br i1 %251, label %252, label %260

252:                                              ; preds = %248
  %253 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.9)
          to label %254 unwind label %201

254:                                              ; preds = %252
  call void @llvm.lifetime.start.p0(i64 1, ptr %37) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %37) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %37)
          to label %255 unwind label %256

255:                                              ; preds = %254
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %37) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %37) #7
  store i32 1, ptr %24, align 4
  br label %261

256:                                              ; preds = %254
  %257 = landingpad { ptr, i32 }
          cleanup
  %258 = extractvalue { ptr, i32 } %257, 0
  store ptr %258, ptr %13, align 8
  %259 = extractvalue { ptr, i32 } %257, 1
  store i32 %259, ptr %14, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %37) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %37) #7
  br label %262

260:                                              ; preds = %248
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2EOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  store i32 1, ptr %24, align 4
  br label %261

261:                                              ; preds = %260, %255
  call void @llvm.lifetime.end.p0(i64 1, ptr %33) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %32) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %30) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %30) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %29) #7
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %26) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr %26) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  br label %267

262:                                              ; preds = %256, %245, %201
  call void @llvm.lifetime.end.p0(i64 1, ptr %33) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %32) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %30) #7
  br label %263

263:                                              ; preds = %262, %197
  call void @llvm.lifetime.end.p0(i64 32, ptr %30) #7
  br label %264

264:                                              ; preds = %263, %193
  call void @llvm.lifetime.end.p0(i64 4, ptr %29) #7
  br label %265

265:                                              ; preds = %264, %192
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %26) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr %26) #7
  br label %266

266:                                              ; preds = %265, %180
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  br label %268

267:                                              ; preds = %261, %113
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %21) #7
  call void @llvm.lifetime.end.p0(i64 512, ptr %21) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %20) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr %20) #7
  ret void

268:                                              ; preds = %266, %131, %130, %118
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %21) #7
  br label %269

269:                                              ; preds = %268, %114
  call void @llvm.lifetime.end.p0(i64 512, ptr %21) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %20) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr %20) #7
  br label %270

270:                                              ; preds = %269, %103
  %271 = load ptr, ptr %13, align 8
  %272 = load i32, ptr %14, align 4
  %273 = insertvalue { ptr, i32 } poison, ptr %271, 0
  %274 = insertvalue { ptr, i32 } %273, i32 %272, 1
  resume { ptr, i32 } %274
}

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6bitsetILm8EEC2Ey(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt6bitsetILm8EE9to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEE5countERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { "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 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 = { nobuiltin 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 #6 = { 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 #7 = { nounwind }
attributes #8 = { builtin 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, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}


; 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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.25 }
%union.anon.25 = type { i32 }
%"class.std::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::allocator" = type { i8 }
%"class.std::unordered_map.5" = type { %"class.std::_Hashtable.6" }
%"class.std::_Hashtable.6" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::bitset" = type { %"struct.std::_Base_bitset" }
%"struct.std::_Base_bitset" = type { i64 }

@.str.4 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [12 x i8], align 1
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.6 = external hidden unnamed_addr constant [48 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [37 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11huffmantool8traverseEPK12charFreqPairRSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS9_ESt8equal_toIS9_ESaISt4pairIKS9_cEEES9_(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef, ptr noundef nonnull align 8 dereferenceable(56), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN11huffmantool8readTreeERSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 8 dereferenceable(256)) local_unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt8noskipwsRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #4

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11huffmantool9lposSlashENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_PKS5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE4openERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZStorSt13_Ios_OpenmodeS_(i32 noundef, i32 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN12charFreqPairD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2EOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11huffmantool14decompressFileENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 1 dereferenceable(1) %1, ptr noundef %2, ptr noundef nonnull %3) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca %"class.std::basic_ifstream", align 8
  %12 = alloca %"class.std::basic_ofstream", align 8
  %13 = alloca %"class.std::__cxx11::basic_string", align 8
  %14 = alloca %"class.std::allocator", align 1
  %15 = alloca %"class.std::unordered_map.5", align 8
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  %17 = alloca %"class.std::allocator", align 1
  %18 = alloca i32, align 4
  %19 = alloca %"class.std::__cxx11::basic_string", align 8
  %20 = alloca %"class.std::allocator", align 1
  %21 = alloca i8, align 1
  %22 = alloca %"class.std::__cxx11::basic_string", align 8
  %23 = alloca %"class.std::bitset", align 8
  %24 = alloca %"class.std::allocator", align 1
  %25 = tail call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str.4)
  br i1 %25, label %26, label %50

26:                                               ; preds = %4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(32) %2)
  %27 = call noundef i32 @_ZN11huffmantool9lposSlashENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 1 dereferenceable(1) %1, ptr noundef nonnull %5)
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #7
  %28 = add nsw i32 %27, 1
  %29 = sext i32 %28 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef 0, i64 noundef %29)
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_PKS5_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull @.str.8)
          to label %30 unwind label %42

30:                                               ; preds = %26
  %31 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  %32 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %33 = sext i32 %27 to i64
  %reass.sub = sub i64 %32, %33
  %34 = add i64 %reass.sub, -10
  %35 = icmp ult i64 %34, -11
  br i1 %35, label %.critedge, label %.critedge.thread

.critedge:                                        ; preds = %30
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #7
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %29, i64 noundef 11)
  %36 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull @.str.5)
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #7
  br i1 %36, label %37, label %.critedge.thread

37:                                               ; preds = %.critedge
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #7
  %38 = add nsw i32 %27, 12
  %39 = sext i32 %38 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %9, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %39, i64 noundef -1)
  %40 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %41 unwind label %44

41:                                               ; preds = %37
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #7
  br label %50

42:                                               ; preds = %26
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  br label %162

44:                                               ; preds = %37
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #7
  br label %162

.critedge.thread:                                 ; preds = %30, %.critedge
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %10) #7
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %10, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %29, i64 noundef -1)
  %46 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %47 unwind label %48

47:                                               ; preds = %.critedge.thread
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #7
  br label %50

48:                                               ; preds = %.critedge.thread
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #7
  br label %162

50:                                               ; preds = %41, %47, %4
  call void @llvm.lifetime.start.p0(i64 520, ptr nonnull %11) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256) %11)
  call void @llvm.lifetime.start.p0(i64 512, ptr nonnull %12) #7
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(248) %12)
          to label %51 unwind label %59

51:                                               ; preds = %50
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %11, ptr noundef nonnull align 8 dereferenceable(32) %2, i32 noundef 8)
          to label %52 unwind label %61

52:                                               ; preds = %51
  %53 = call noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256) %11)
  br i1 %53, label %70, label %54

54:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %13) #7
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %13, ptr noundef nonnull @.str.6, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %55 unwind label %63

55:                                               ; preds = %54
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull align 8 dereferenceable(32) %13)
          to label %57 unwind label %65

57:                                               ; preds = %55
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %13) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %14) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %58 unwind label %68

58:                                               ; preds = %57
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %14) #7
  br label %159

59:                                               ; preds = %50
  %60 = landingpad { ptr, i32 }
          cleanup
  br label %161

61:                                               ; preds = %51
  %62 = landingpad { ptr, i32 }
          cleanup
  br label %160

63:                                               ; preds = %54
  %64 = landingpad { ptr, i32 }
          cleanup
  br label %67

65:                                               ; preds = %55
  %66 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #7
  br label %67

67:                                               ; preds = %65, %63
  %.pn42 = phi { ptr, i32 } [ %66, %65 ], [ %64, %63 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %13) #7
  br label %160

68:                                               ; preds = %57
  %69 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %14) #7
  br label %160

70:                                               ; preds = %52
  %71 = invoke noundef ptr @_ZN11huffmantool8readTreeERSt14basic_ifstreamIcSt11char_traitsIcEE(ptr noundef nonnull align 1 dereferenceable(1) %1, ptr noundef nonnull align 8 dereferenceable(256) %11)
          to label %72 unwind label %104

72:                                               ; preds = %70
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %15) #7
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %15) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %17) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %73 unwind label %106

73:                                               ; preds = %72
  invoke void @_ZN11huffmantool8traverseEPK12charFreqPairRSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS9_ESt8equal_toIS9_ESaISt4pairIKS9_cEEES9_(ptr noundef nonnull align 1 dereferenceable(1) %1, ptr noundef %71, ptr noundef nonnull align 8 dereferenceable(56) %15, ptr noundef nonnull %16)
          to label %74 unwind label %108

74:                                               ; preds = %73
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #7
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #7
  %75 = icmp eq ptr %71, null
  br i1 %75, label %77, label %76

76:                                               ; preds = %74
  call void @_ZN12charFreqPairD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %71) #7
  call void @_ZdlPvm(ptr noundef nonnull %71, i64 noundef 24) #8
  br label %77

77:                                               ; preds = %76, %74
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %18) #7
  %78 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull @_ZSt8noskipwsRSt8ios_base)
          to label %79 unwind label %111

79:                                               ; preds = %77
  %80 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %78, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %81 unwind label %111

81:                                               ; preds = %79
  %82 = call noundef i32 @_ZStorSt13_Ios_OpenmodeS_(i32 noundef 16, i32 noundef 32)
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE4openERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %12, ptr noundef nonnull align 8 dereferenceable(32) %3, i32 noundef %82)
          to label %83 unwind label %111

83:                                               ; preds = %81
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %19) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %20) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %19, ptr noundef nonnull @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %20)
          to label %84 unwind label %113

84:                                               ; preds = %83
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %20) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %21) #7
  br label %85

85:                                               ; preds = %._crit_edge, %84
  %.018 = phi i32 [ 0, %84 ], [ %.3, %._crit_edge ]
  %86 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull @_ZSt8noskipwsRSt8ios_base)
          to label %87 unwind label %.loopexit

87:                                               ; preds = %85
  %88 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) %86, ptr noundef nonnull align 1 dereferenceable(1) %21)
          to label %89 unwind label %.loopexit

89:                                               ; preds = %87
  %90 = load ptr, ptr %88, align 8, !tbaa !5
  %91 = getelementptr i8, ptr %90, i64 -24
  %92 = load i64, ptr %91, align 8
  %93 = getelementptr inbounds i8, ptr %88, i64 %92
  %94 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %93)
          to label %95 unwind label %.loopexit

95:                                               ; preds = %89
  %96 = load i32, ptr %18, align 4
  %97 = icmp ne i32 %.018, %96
  %98 = select i1 %94, i1 %97, i1 false
  br i1 %98, label %99, label %143

99:                                               ; preds = %95
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %22) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %23) #7
  %100 = load i8, ptr %21, align 1, !tbaa !8
  %101 = sext i8 %100 to i64
  call void @_ZNSt6bitsetILm8EEC2Ey(ptr noundef nonnull align 8 dereferenceable(8) %23, i64 noundef %101) #7
  invoke void @_ZNKSt6bitsetILm8EE9to_stringB5cxx11Ev(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %22, ptr noundef nonnull align 8 dereferenceable(8) %23)
          to label %102 unwind label %115

102:                                              ; preds = %99
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %23) #7
  %103 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %22) #7
  %.not64 = icmp eq i64 %103, 0
  br i1 %.not64, label %._crit_edge, label %.lr.ph

104:                                              ; preds = %70
  %105 = landingpad { ptr, i32 }
          cleanup
  br label %160

106:                                              ; preds = %72
  %107 = landingpad { ptr, i32 }
          cleanup
  br label %110

108:                                              ; preds = %73
  %109 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #7
  br label %110

110:                                              ; preds = %108, %106
  %.pn44 = phi { ptr, i32 } [ %109, %108 ], [ %107, %106 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #7
  br label %158

111:                                              ; preds = %81, %79, %77
  %112 = landingpad { ptr, i32 }
          cleanup
  br label %157

113:                                              ; preds = %83
  %114 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %20) #7
  br label %156

.loopexit:                                        ; preds = %85, %87, %89
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %155

.loopexit.split-lp:                               ; preds = %143, %144, %147
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %155

115:                                              ; preds = %99
  %116 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %23) #7
  br label %142

.lr.ph:                                           ; preds = %102, %137
  %117 = phi i64 [ %139, %137 ], [ 0, %102 ]
  %.061 = phi i32 [ %138, %137 ], [ 0, %102 ]
  %.160 = phi i32 [ %.2, %137 ], [ %.018, %102 ]
  %118 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %22, i64 noundef %117)
  %119 = load i8, ptr %118, align 1, !tbaa !8
  %120 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %19, i8 noundef signext %119)
          to label %121 unwind label %135

121:                                              ; preds = %.lr.ph
  %122 = invoke noundef i64 @_ZNKSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEE5countERSB_(ptr noundef nonnull align 8 dereferenceable(56) %15, ptr noundef nonnull align 8 dereferenceable(32) %19)
          to label %123 unwind label %135

123:                                              ; preds = %121
  %.not46 = icmp eq i64 %122, 0
  br i1 %.not46, label %137, label %124

124:                                              ; preds = %123
  %125 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %15, ptr noundef nonnull align 8 dereferenceable(32) %19)
          to label %126 unwind label %135

126:                                              ; preds = %124
  %127 = load i8, ptr %125, align 1, !tbaa !8
  %128 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %12, i8 noundef signext %127)
          to label %129 unwind label %135

129:                                              ; preds = %126
  %130 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %19, ptr noundef nonnull @.str.4)
          to label %131 unwind label %135

131:                                              ; preds = %129
  %132 = add nsw i32 %.160, 1
  %133 = load i32, ptr %18, align 4, !tbaa !10
  %134 = icmp eq i32 %132, %133
  br i1 %134, label %._crit_edge, label %137

135:                                              ; preds = %129, %126, %124, %121, %.lr.ph
  %136 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %22) #7
  br label %142

137:                                              ; preds = %123, %131
  %.2 = phi i32 [ %132, %131 ], [ %.160, %123 ]
  %138 = add i32 %.061, 1
  %139 = zext i32 %138 to i64
  %140 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %22) #7
  %141 = icmp ugt i64 %140, %139
  br i1 %141, label %.lr.ph, label %._crit_edge, !llvm.loop !12

._crit_edge:                                      ; preds = %137, %131, %102
  %.3 = phi i32 [ %.018, %102 ], [ %132, %131 ], [ %.2, %137 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %22) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %22) #7
  br label %85, !llvm.loop !14

142:                                              ; preds = %135, %115
  %.pn47 = phi { ptr, i32 } [ %136, %135 ], [ %116, %115 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %22) #7
  br label %155

143:                                              ; preds = %95
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256) %11)
          to label %144 unwind label %.loopexit.split-lp

144:                                              ; preds = %143
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248) %12)
          to label %145 unwind label %.loopexit.split-lp

145:                                              ; preds = %144
  %146 = load i32, ptr %18, align 4, !tbaa !10
  %.not = icmp eq i32 %.018, %146
  br i1 %.not, label %153, label %147

147:                                              ; preds = %145
  %148 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.9)
          to label %149 unwind label %.loopexit.split-lp

149:                                              ; preds = %147
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %24) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %24) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %24)
          to label %150 unwind label %151

150:                                              ; preds = %149
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %24) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %24) #7
  br label %154

151:                                              ; preds = %149
  %152 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %24) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %24) #7
  br label %155

153:                                              ; preds = %145
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2EOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  br label %154

154:                                              ; preds = %153, %150
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %21) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %19) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %18) #7
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %15) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %15) #7
  br label %159

155:                                              ; preds = %.loopexit, %.loopexit.split-lp, %151, %142
  %.pn47.pn = phi { ptr, i32 } [ %.pn47, %142 ], [ %152, %151 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %21) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #7
  br label %156

156:                                              ; preds = %155, %113
  %.pn47.pn.pn = phi { ptr, i32 } [ %.pn47.pn, %155 ], [ %114, %113 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %19) #7
  br label %157

157:                                              ; preds = %156, %111
  %.pn47.pn.pn.pn = phi { ptr, i32 } [ %.pn47.pn.pn, %156 ], [ %112, %111 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %18) #7
  br label %158

158:                                              ; preds = %157, %110
  %.pn47.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn47.pn.pn.pn, %157 ], [ %.pn44, %110 ]
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %15) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %15) #7
  br label %160

159:                                              ; preds = %154, %58
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %12) #7
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %12) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %11) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %11) #7
  ret void

160:                                              ; preds = %104, %158, %68, %67, %61
  %.pn47.pn.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %69, %68 ], [ %.pn42, %67 ], [ %62, %61 ], [ %.pn47.pn.pn.pn.pn, %158 ], [ %105, %104 ]
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %12) #7
  br label %161

161:                                              ; preds = %160, %59
  %.pn47.pn.pn.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn47.pn.pn.pn.pn.pn.pn, %160 ], [ %60, %59 ]
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %12) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %11) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %11) #7
  br label %162

162:                                              ; preds = %42, %44, %48, %161
  %.pn47.pn.pn.pn.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn47.pn.pn.pn.pn.pn.pn.pn, %161 ], [ %45, %44 ], [ %49, %48 ], [ %43, %42 ]
  resume { ptr, i32 } %.pn47.pn.pn.pn.pn.pn.pn.pn.pn
}

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6bitsetILm8EEC2Ey(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt6bitsetILm8EE9to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEE5countERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_cEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { "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 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 = { nobuiltin 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 #6 = { 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 #7 = { nounwind }
attributes #8 = { builtin 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"omnipotent char", !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !9, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass