; LLVM IR from sumitsojha88/Placement-Preparation :: Geeks For Geeks Solutions/HashMap (Winner of an election)

; 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"

%"struct.std::pair" = type <{ %"class.std::__cxx11::basic_string", i32, [4 x 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::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 }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6winnerPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8 %0, ptr noundef %1, i32 noundef %2) #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::unordered_map", align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i1, align 1
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = load i32, ptr %6, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %16, i64 %18
  call void @_ZSt4sortIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEvT_S7_(ptr noundef %15, ptr noundef %19)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 56, ptr %8) #5
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %56, %3
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %59

25:                                               ; preds = %20
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = load i32, ptr %9, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %26, i64 %28
  %30 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %8, ptr noundef nonnull align 8 dereferenceable(32) %29)
          to label %31 unwind label %51

31:                                               ; preds = %25
  %32 = load i32, ptr %30, align 4, !tbaa !9
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %30, align 4, !tbaa !9
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = load i32, ptr %9, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %34, i64 %36
  %38 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %8, ptr noundef nonnull align 8 dereferenceable(32) %37)
          to label %39 unwind label %51

39:                                               ; preds = %31
  %40 = load i32, ptr %38, align 4, !tbaa !9
  %41 = load i32, ptr %7, align 4, !tbaa !9
  %42 = icmp sgt i32 %40, %41
  br i1 %42, label %43, label %55

43:                                               ; preds = %39
  %44 = load ptr, ptr %5, align 8, !tbaa !5
  %45 = load i32, ptr %9, align 4, !tbaa !9
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %44, i64 %46
  %48 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %8, ptr noundef nonnull align 8 dereferenceable(32) %47)
          to label %49 unwind label %51

49:                                               ; preds = %43
  %50 = load i32, ptr %48, align 4, !tbaa !9
  store i32 %50, ptr %7, align 4, !tbaa !9
  br label %55

51:                                               ; preds = %43, %31, %25
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %10, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %105

55:                                               ; preds = %49, %39
  br label %56

56:                                               ; preds = %55
  %57 = load i32, ptr %9, align 4, !tbaa !9
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %9, align 4, !tbaa !9
  br label %20, !llvm.loop !11

59:                                               ; preds = %24
  store i1 false, ptr %12, align 1
  invoke void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiEC2IS5_iTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES9_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(36) %0)
          to label %60 unwind label %66

60:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %61

61:                                               ; preds = %95, %60
  %62 = load i32, ptr %13, align 4, !tbaa !9
  %63 = load i32, ptr %6, align 4, !tbaa !9
  %64 = icmp slt i32 %62, %63
  br i1 %64, label %70, label %65

65:                                               ; preds = %61
  store i32 5, ptr %14, align 4
  br label %98

66:                                               ; preds = %59
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %10, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %11, align 4
  br label %105

70:                                               ; preds = %61
  %71 = load ptr, ptr %5, align 8, !tbaa !5
  %72 = load i32, ptr %13, align 4, !tbaa !9
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %71, i64 %73
  %75 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %8, ptr noundef nonnull align 8 dereferenceable(32) %74)
          to label %76 unwind label %90

76:                                               ; preds = %70
  %77 = load i32, ptr %75, align 4, !tbaa !9
  %78 = load i32, ptr %7, align 4, !tbaa !9
  %79 = icmp eq i32 %77, %78
  br i1 %79, label %80, label %94

80:                                               ; preds = %76
  %81 = load ptr, ptr %5, align 8, !tbaa !5
  %82 = load i32, ptr %13, align 4, !tbaa !9
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %81, i64 %83
  %85 = getelementptr inbounds %"struct.std::pair", ptr %0, i32 0, i32 0
  %86 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %85, ptr noundef nonnull align 8 dereferenceable(32) %84)
          to label %87 unwind label %90

87:                                               ; preds = %80
  %88 = load i32, ptr %7, align 4, !tbaa !9
  %89 = getelementptr inbounds %"struct.std::pair", ptr %0, i32 0, i32 1
  store i32 %88, ptr %89, align 8, !tbaa !13
  store i1 true, ptr %12, align 1
  store i32 1, ptr %14, align 4
  br label %98

90:                                               ; preds = %80, %70
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %10, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %0) #5
  br label %105

94:                                               ; preds = %76
  br label %95

95:                                               ; preds = %94
  %96 = load i32, ptr %13, align 4, !tbaa !9
  %97 = add nsw i32 %96, 1
  store i32 %97, ptr %13, align 4, !tbaa !9
  br label %61, !llvm.loop !18

98:                                               ; preds = %87, %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  %99 = load i32, ptr %14, align 4
  switch i32 %99, label %101 [
    i32 5, label %100
  ]

100:                                              ; preds = %98
  unreachable

101:                                              ; preds = %98
  %102 = load i1, ptr %12, align 1
  br i1 %102, label %104, label %103

103:                                              ; preds = %101
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %0) #5
  br label %104

104:                                              ; preds = %103, %101
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %8) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret void

105:                                              ; preds = %90, %66, %51
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %8) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %106

106:                                              ; preds = %105
  %107 = load ptr, ptr %10, align 8
  %108 = load i32, ptr %11, align 4
  %109 = insertvalue { ptr, i32 } poison, ptr %107, 0
  %110 = insertvalue { ptr, i32 } %109, i32 %108, 1
  resume { ptr, i32 } %110
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEvT_S7_(ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiEC2IS5_iTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES9_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #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 = { 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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !10, i64 32}
!14 = !{!"_ZTSSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiE", !15, i64 0, !10, i64 32}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !16, i64 0, !17, i64 8, !7, i64 16}
!16 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!17 = !{!"long", !7, i64 0}
!18 = distinct !{!18, !12}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"struct.std::pair" = type <{ %"class.std::__cxx11::basic_string", i32, [4 x 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::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 }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6winnerPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8 %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::unordered_map", align 8
  %5 = sext i32 %2 to i64
  %6 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %1, i64 %5
  tail call void @_ZSt4sortIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEvT_S7_(ptr noundef %1, ptr noundef %6)
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %4) #6
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %4) #6
  %7 = icmp sgt i32 %2, 0
  br i1 %7, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = zext nneg i32 %2 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %23, %3
  %.030.lcssa = phi i32 [ 0, %3 ], [ %.1, %23 ]
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiEC2IS5_iTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES9_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(36) %0)
  br label %24

.lr.ph:                                           ; preds = %.lr.ph.preheader, %23
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %23 ]
  %.03035 = phi i32 [ 0, %.lr.ph.preheader ], [ %.1, %23 ]
  %8 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %1, i64 %indvars.iv
  %9 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %4, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %10 unwind label %21

10:                                               ; preds = %.lr.ph
  %11 = load i32, ptr %9, align 4, !tbaa !5
  %12 = add nsw i32 %11, 1
  store i32 %12, ptr %9, align 4, !tbaa !5
  %13 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %4, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %14 unwind label %21

14:                                               ; preds = %10
  %15 = load i32, ptr %13, align 4, !tbaa !5
  %16 = icmp sgt i32 %15, %.03035
  br i1 %16, label %17, label %23

17:                                               ; preds = %14
  %18 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %4, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %19 unwind label %21

19:                                               ; preds = %17
  %20 = load i32, ptr %18, align 4, !tbaa !5
  br label %23

21:                                               ; preds = %17, %10, %.lr.ph
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %35

23:                                               ; preds = %14, %19
  %.1 = phi i32 [ %20, %19 ], [ %.03035, %14 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

24:                                               ; preds = %27, %._crit_edge
  %indvars.iv39 = phi i64 [ %indvars.iv.next40, %27 ], [ 0, %._crit_edge ]
  %.not = icmp slt i64 %indvars.iv39, %5
  call void @llvm.assume(i1 %.not)
  %25 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %1, i64 %indvars.iv39
  %26 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56) %4, ptr noundef nonnull align 8 dereferenceable(32) %25)
          to label %27 unwind label %.loopexit

27:                                               ; preds = %24
  %28 = load i32, ptr %26, align 4, !tbaa !5
  %29 = icmp eq i32 %28, %.030.lcssa
  %indvars.iv.next40 = add nuw nsw i64 %indvars.iv39, 1
  br i1 %29, label %30, label %24, !llvm.loop !11

30:                                               ; preds = %27
  %31 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %25)
          to label %32 unwind label %.loopexit.split-lp

32:                                               ; preds = %30
  %33 = getelementptr inbounds i8, ptr %0, i64 32
  store i32 %.030.lcssa, ptr %33, align 8, !tbaa !12
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %4) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %4) #6
  ret void

.loopexit:                                        ; preds = %24
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %34

.loopexit.split-lp:                               ; preds = %30
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %34

34:                                               ; preds = %.loopexit.split-lp, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %0) #6
  br label %35

35:                                               ; preds = %34, %21
  %.pn = phi { ptr, i32 } [ %22, %21 ], [ %lpad.phi, %34 ]
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %4) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %4) #6
  resume { ptr, i32 } %.pn
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEvT_S7_(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEEixERSB_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiEC2IS5_iTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES9_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_iEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write)
declare void @llvm.assume(i1 noundef) #5

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !6, i64 32}
!13 = !{!"_ZTSSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiE", !14, i64 0, !6, i64 32}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !15, i64 0, !17, i64 8, !7, i64 16}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !16, i64 0}
!16 = !{!"any pointer", !7, i64 0}
!17 = !{!"long", !7, i64 0}


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