; LLVM IR from abhisheknaiidu/dsa :: DSA/Strings (roman-integer)

; 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 }
%"struct.std::pair" = type { i8, i32 }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = 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::initializer_list" = type { ptr, i64 }
%"struct.std::hash" = type { i8 }
%"struct.std::equal_to" = type { i8 }
%"class.std::allocator.2" = type { i8 }
%"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::allocator.5" = type { i8 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@constinit = external hidden constant [7 x %"struct.std::pair"], align 4
@.str.4 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z14abhisheknaiiduv() #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::unordered_map", align 8
  %7 = alloca %"class.std::initializer_list", align 8
  %8 = alloca [7 x %"struct.std::pair"], align 4
  %9 = alloca %"struct.std::hash", align 1
  %10 = alloca %"struct.std::equal_to", align 1
  %11 = alloca %"class.std::allocator.2", align 1
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"class.std::allocator.5", align 1
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @_Z14abhisheknaiiduv()
  call void @llvm.lifetime.start.p0(i64 56, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 56, ptr %8) #7
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 4 @constinit, i64 56, i1 false), !tbaa.struct !11
  %18 = getelementptr inbounds %"class.std::initializer_list", ptr %7, i32 0, i32 0
  store ptr %8, ptr %18, align 8, !tbaa !13
  %19 = getelementptr inbounds %"class.std::initializer_list", ptr %7, i32 0, i32 1
  store i64 7, ptr %19, align 8, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #7
  call void @_ZNSaISt4pairIKciEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  %20 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8
  %22 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 1
  %23 = load i64, ptr %22, align 8
  invoke void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEC2ESt16initializer_listIS6_EmRKS1_RKS3_RKS7_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr %21, i64 %23, i64 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %9, ptr noundef nonnull align 1 dereferenceable(1) %10, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %24 unwind label %32

24:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %25 unwind label %36

25:                                               ; preds = %24
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  store i32 0, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %79, %25
  %27 = load i32, ptr %17, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %14) #7
  %30 = icmp ult i64 %28, %29
  br i1 %30, label %40, label %31

31:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %86

32:                                               ; preds = %2
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %12, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %13, align 4
  call void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr %8) #7
  br label %97

36:                                               ; preds = %24
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %12, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %13, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #7
  br label %96

40:                                               ; preds = %26
  %41 = load i32, ptr %17, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %14, i64 noundef %42)
          to label %44 unwind label %82

44:                                               ; preds = %40
  %45 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 1 dereferenceable(1) %43)
          to label %46 unwind label %82

46:                                               ; preds = %44
  %47 = load i32, ptr %45, align 4, !tbaa !5
  %48 = load i32, ptr %17, align 4, !tbaa !5
  %49 = add nsw i32 %48, 1
  %50 = sext i32 %49 to i64
  %51 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %14, i64 noundef %50)
          to label %52 unwind label %82

52:                                               ; preds = %46
  %53 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 1 dereferenceable(1) %51)
          to label %54 unwind label %82

54:                                               ; preds = %52
  %55 = load i32, ptr %53, align 4, !tbaa !5
  %56 = icmp slt i32 %47, %55
  br i1 %56, label %57, label %67

57:                                               ; preds = %54
  %58 = load i32, ptr %17, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %14, i64 noundef %59)
          to label %61 unwind label %82

61:                                               ; preds = %57
  %62 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 1 dereferenceable(1) %60)
          to label %63 unwind label %82

63:                                               ; preds = %61
  %64 = load i32, ptr %62, align 4, !tbaa !5
  %65 = load i32, ptr %16, align 4, !tbaa !5
  %66 = sub nsw i32 %65, %64
  store i32 %66, ptr %16, align 4, !tbaa !5
  br label %77

67:                                               ; preds = %54
  %68 = load i32, ptr %17, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %14, i64 noundef %69)
          to label %71 unwind label %82

71:                                               ; preds = %67
  %72 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 1 dereferenceable(1) %70)
          to label %73 unwind label %82

73:                                               ; preds = %71
  %74 = load i32, ptr %72, align 4, !tbaa !5
  %75 = load i32, ptr %16, align 4, !tbaa !5
  %76 = add nsw i32 %75, %74
  store i32 %76, ptr %16, align 4, !tbaa !5
  br label %77

77:                                               ; preds = %73, %63
  %78 = phi ptr [ %16, %63 ], [ %16, %73 ]
  br label %79

79:                                               ; preds = %77
  %80 = load i32, ptr %17, align 4, !tbaa !5
  %81 = add nsw i32 %80, 1
  store i32 %81, ptr %17, align 4, !tbaa !5
  br label %26, !llvm.loop !17

82:                                               ; preds = %71, %67, %61, %57, %52, %46, %44, %40
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %12, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %95

86:                                               ; preds = %31
  %87 = load i32, ptr %16, align 4, !tbaa !5
  %88 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %87)
          to label %89 unwind label %91

89:                                               ; preds = %86
  store i32 0, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #7
  call void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr %6) #7
  %90 = load i32, ptr %3, align 4
  ret i32 %90

91:                                               ; preds = %86
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %12, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %13, align 4
  br label %95

95:                                               ; preds = %91, %82
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #7
  br label %96

96:                                               ; preds = %95, %36
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #7
  call void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #7
  br label %97

97:                                               ; preds = %96, %32
  call void @llvm.lifetime.end.p0(i64 56, ptr %6) #7
  br label %98

98:                                               ; preds = %97
  %99 = load ptr, ptr %12, align 8
  %100 = load i32, ptr %13, align 4
  %101 = insertvalue { ptr, i32 } poison, ptr %99, 0
  %102 = insertvalue { ptr, i32 } %101, i32 %100, 1
  resume { ptr, i32 } %102
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIKciEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEC2ESt16initializer_listIS6_EmRKS1_RKS3_RKS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr, i64, i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 1 dereferenceable(1)) #0 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) #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(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 #4 align 2

attributes #0 = { 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 #1 = { mustprogress norecurse 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { "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 }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{i64 0, i64 56, !12}
!12 = !{!7, !7, i64 0}
!13 = !{!14, !10, i64 0}
!14 = !{!"_ZTSSt16initializer_listISt4pairIKciEE", !10, i64 0, !15, i64 8}
!15 = !{!"long", !7, i64 0}
!16 = !{!14, !15, i64 8}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


; 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 }
%"struct.std::pair" = type { i8, i32 }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = 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 }
%"struct.std::hash" = type { i8 }
%"struct.std::equal_to" = type { i8 }
%"class.std::allocator.2" = type { i8 }
%"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::allocator.5" = type { i8 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@constinit = external hidden local_unnamed_addr constant [7 x %"struct.std::pair"], align 4
@.str.4 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z14abhisheknaiiduv() local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::unordered_map", align 8
  %4 = alloca [7 x %"struct.std::pair"], align 4
  %5 = alloca %"struct.std::hash", align 1
  %6 = alloca %"struct.std::equal_to", align 1
  %7 = alloca %"class.std::allocator.2", align 1
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::allocator.5", align 1
  tail call void @_Z14abhisheknaiiduv()
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %4) #7
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(56) %4, ptr noundef nonnull align 4 dereferenceable(56) @constinit, i64 56, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSaISt4pairIKciEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEC2ESt16initializer_listIS6_EmRKS1_RKS3_RKS7_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr nonnull %4, i64 7, i64 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %5, ptr noundef nonnull align 1 dereferenceable(1) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %10 unwind label %14

10:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %11 unwind label %16

11:                                               ; preds = %10
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #7
  %12 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  %.not = icmp eq i64 %12, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %38, %11
  %.011.lcssa = phi i32 [ 0, %11 ], [ %.1, %38 ]
  %13 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.011.lcssa)
          to label %43 unwind label %44

14:                                               ; preds = %2
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %4) #7
  br label %48

16:                                               ; preds = %10
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #7
  br label %47

.lr.ph:                                           ; preds = %11, %38
  %indvars.iv = phi i64 [ %indvars.iv.next, %38 ], [ 0, %11 ]
  %.01122 = phi i32 [ %.1, %38 ], [ 0, %11 ]
  %18 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %indvars.iv)
  %19 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %20 unwind label %41

20:                                               ; preds = %.lr.ph
  %21 = load i32, ptr %19, align 4, !tbaa !9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %22 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %indvars.iv.next)
  %23 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 1 dereferenceable(1) %22)
          to label %24 unwind label %41

24:                                               ; preds = %20
  %25 = load i32, ptr %23, align 4, !tbaa !9
  %26 = icmp slt i32 %21, %25
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %indvars.iv)
  br i1 %26, label %28, label %33

28:                                               ; preds = %24
  %29 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 1 dereferenceable(1) %27)
          to label %30 unwind label %41

30:                                               ; preds = %28
  %31 = load i32, ptr %29, align 4, !tbaa !9
  %32 = sub nsw i32 %.01122, %31
  br label %38

33:                                               ; preds = %24
  %34 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 1 dereferenceable(1) %27)
          to label %35 unwind label %41

35:                                               ; preds = %33
  %36 = load i32, ptr %34, align 4, !tbaa !9
  %37 = add nsw i32 %36, %.01122
  br label %38

38:                                               ; preds = %30, %35
  %.1 = phi i32 [ %32, %30 ], [ %37, %35 ]
  %39 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  %40 = icmp ugt i64 %39, %indvars.iv.next
  br i1 %40, label %.lr.ph, label %._crit_edge, !llvm.loop !11

41:                                               ; preds = %33, %28, %20, %.lr.ph
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %46

43:                                               ; preds = %._crit_edge
  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
  call void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #7
  ret i32 0

44:                                               ; preds = %._crit_edge
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %46

46:                                               ; preds = %44, %41
  %.pn = phi { ptr, i32 } [ %42, %41 ], [ %45, %44 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  br label %47

47:                                               ; preds = %46, %16
  %.pn.pn = phi { ptr, i32 } [ %.pn, %46 ], [ %17, %16 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #7
  call void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #7
  br label %48

48:                                               ; preds = %47, %14
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %47 ], [ %15, %14 ]
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #7
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIKciEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEC2ESt16initializer_listIS6_EmRKS1_RKS3_RKS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr, i64, i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #0 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 #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(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 #4 align 2

attributes #0 = { 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 #1 = { mustprogress norecurse 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { "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 }

!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 = !{i64 0, i64 56, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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