; 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"

%"class.std::basic_istream" = type { ptr, i64, %"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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %72, %0
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  store i32 2, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  br label %92

18:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %20 = load i32, ptr %5, align 4, !tbaa !5
  %21 = zext i32 %20 to i64
  %22 = call ptr @llvm.stacksave.p0()
  store ptr %22, ptr %6, align 8
  %23 = alloca %"class.std::__cxx11::basic_string", i64 %21, align 16
  store i64 %21, ptr %7, align 8
  %24 = icmp eq i64 %21, 0
  br i1 %24, label %31, label %25

25:                                               ; preds = %18
  %26 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %23, i64 %21
  br label %27

27:                                               ; preds = %27, %25
  %28 = phi ptr [ %23, %25 ], [ %29, %27 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %28) #8
  %29 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %28, i64 1
  %30 = icmp eq ptr %29, %26
  br i1 %30, label %31, label %27

31:                                               ; preds = %27, %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %32

32:                                               ; preds = %43, %31
  %33 = load i32, ptr %8, align 4, !tbaa !5
  %34 = load i32, ptr %5, align 4, !tbaa !5
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  br label %50

37:                                               ; preds = %32
  %38 = load i32, ptr %8, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %23, i64 %39
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %40)
          to label %42 unwind label %46

42:                                               ; preds = %37
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %8, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %8, align 4, !tbaa !5
  br label %32, !llvm.loop !9

46:                                               ; preds = %37
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %9, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  br label %84

50:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 40, ptr %11) #8
  %51 = load i32, ptr %5, align 4, !tbaa !5
  invoke void @_Z6winnerPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr dead_on_unwind writable sret(%"struct.std::pair") align 8 %11, ptr noundef %23, i32 noundef %51)
          to label %52 unwind label %75

52:                                               ; preds = %50
  %53 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  %54 = 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) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %53)
          to label %55 unwind label %79

55:                                               ; preds = %52
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %54, ptr noundef @.str)
          to label %57 unwind label %79

57:                                               ; preds = %55
  %58 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 1
  %59 = load i32, ptr %58, align 8, !tbaa !11
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %56, i32 noundef %59)
          to label %61 unwind label %79

61:                                               ; preds = %57
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %63 unwind label %79

63:                                               ; preds = %61
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %11) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr %11) #8
  %64 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %23, i64 %21
  %65 = icmp eq ptr %23, %64
  br i1 %65, label %70, label %66

66:                                               ; preds = %66, %63
  %67 = phi ptr [ %64, %63 ], [ %68, %66 ]
  %68 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %67, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %68) #8
  %69 = icmp eq ptr %68, %23
  br i1 %69, label %70, label %66

70:                                               ; preds = %66, %63
  %71 = load ptr, ptr %6, align 8
  call void @llvm.stackrestore.p0(ptr %71)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  br label %72

72:                                               ; preds = %70
  %73 = load i32, ptr %3, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %3, align 4, !tbaa !5
  br label %13, !llvm.loop !17

75:                                               ; preds = %50
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %9, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %10, align 4
  br label %83

79:                                               ; preds = %61, %57, %55, %52
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %9, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %10, align 4
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %11) #8
  br label %83

83:                                               ; preds = %79, %75
  call void @llvm.lifetime.end.p0(i64 40, ptr %11) #8
  br label %84

84:                                               ; preds = %83, %46
  %85 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %23, i64 %21
  %86 = icmp eq ptr %23, %85
  br i1 %86, label %91, label %87

87:                                               ; preds = %87, %84
  %88 = phi ptr [ %85, %84 ], [ %89, %87 ]
  %89 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %88, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %89) #8
  %90 = icmp eq ptr %89, %23
  br i1 %90, label %91, label %87

91:                                               ; preds = %87, %84
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %94

92:                                               ; preds = %17
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  %93 = load i32, ptr %1, align 4
  ret i32 %93

94:                                               ; preds = %91
  %95 = load ptr, ptr %9, align 8
  %96 = load i32, ptr %10, align 4
  %97 = insertvalue { ptr, i32 } poison, ptr %95, 0
  %98 = insertvalue { ptr, i32 } %97, i32 %96, 1
  resume { ptr, i32 } %98
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #2

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) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6winnerPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8, ptr noundef, i32 noundef) #5

; 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) #6

; 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)) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #7 align 2

; 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: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { nocallback nofree nosync nounwind willreturn }
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 = { 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 #6 = { 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 #7 = { 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 #8 = { 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 = !{!12, !6, i64 32}
!12 = !{!"_ZTSSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiE", !13, i64 0, !6, i64 32}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !14, i64 0, !16, i64 8, !7, i64 16}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = distinct !{!17, !10}


; 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_istream" = type { ptr, i64, %"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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph34, label %._crit_edge35

.lr.ph34:                                         ; preds = %0
  %7 = getelementptr inbounds i8, ptr %3, i64 32
  br label %8

._crit_edge35:                                    ; preds = %.loopexit19, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0

8:                                                ; preds = %.lr.ph34, %.loopexit19
  %.01132 = phi i32 [ 0, %.lr.ph34 ], [ %45, %.loopexit19 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #8
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = zext i32 %10 to i64
  %12 = call ptr @llvm.stacksave.p0()
  %13 = alloca %"class.std::__cxx11::basic_string", i64 %11, align 16
  %14 = icmp eq i32 %10, 0
  br i1 %14, label %.loopexit20, label %15

15:                                               ; preds = %8
  %16 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %13, i64 %11
  br label %17

17:                                               ; preds = %17, %15
  %18 = phi ptr [ %13, %15 ], [ %19, %17 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #8
  %19 = getelementptr inbounds i8, ptr %18, i64 32
  %20 = icmp eq ptr %19, %16
  br i1 %20, label %.loopexit20, label %17

.loopexit20:                                      ; preds = %17, %8
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %25, %.loopexit20
  %.lcssa = phi i32 [ %21, %.loopexit20 ], [ %26, %25 ]
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #8
  invoke void @_Z6winnerPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr dead_on_unwind nonnull writable sret(%"struct.std::pair") align 8 %3, ptr noundef nonnull %13, i32 noundef %.lcssa)
          to label %31 unwind label %48

.lr.ph:                                           ; preds = %.loopexit20, %25
  %indvars.iv = phi i64 [ %indvars.iv.next, %25 ], [ 0, %.loopexit20 ]
  %23 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %13, i64 %indvars.iv
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %23)
          to label %25 unwind label %29

25:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = icmp slt i64 %indvars.iv.next, %27
  br i1 %28, label %.lr.ph, label %._crit_edge, !llvm.loop !9

29:                                               ; preds = %.lr.ph
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %53

31:                                               ; preds = %._crit_edge
  %32 = 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) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %33 unwind label %50

33:                                               ; preds = %31
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %32, ptr noundef nonnull @.str)
          to label %35 unwind label %50

35:                                               ; preds = %33
  %36 = load i32, ptr %7, align 8, !tbaa !11
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %34, i32 noundef %36)
          to label %38 unwind label %50

38:                                               ; preds = %35
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %37, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %40 unwind label %50

40:                                               ; preds = %38
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %3) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #8
  br i1 %14, label %.loopexit19, label %.preheader18.preheader

.preheader18.preheader:                           ; preds = %40
  %41 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %13, i64 %11
  br label %.preheader18

.preheader18:                                     ; preds = %.preheader18.preheader, %.preheader18
  %42 = phi ptr [ %43, %.preheader18 ], [ %41, %.preheader18.preheader ]
  %43 = getelementptr inbounds i8, ptr %42, i64 -32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %43) #8
  %44 = icmp eq ptr %43, %13
  br i1 %44, label %.loopexit19, label %.preheader18

.loopexit19:                                      ; preds = %.preheader18, %40
  call void @llvm.stackrestore.p0(ptr %12)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  %45 = add nuw nsw i32 %.01132, 1
  %46 = load i32, ptr %1, align 4, !tbaa !5
  %47 = icmp slt i32 %45, %46
  br i1 %47, label %8, label %._crit_edge35, !llvm.loop !17

48:                                               ; preds = %._crit_edge
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %52

50:                                               ; preds = %38, %35, %33, %31
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %3) #8
  br label %52

52:                                               ; preds = %50, %48
  %.pn = phi { ptr, i32 } [ %51, %50 ], [ %49, %48 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #8
  br label %53

53:                                               ; preds = %52, %29
  %.pn16 = phi { ptr, i32 } [ %30, %29 ], [ %.pn, %52 ]
  br i1 %14, label %.loopexit, label %.preheader.preheader

.preheader.preheader:                             ; preds = %53
  %54 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %13, i64 %11
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.preheader
  %55 = phi ptr [ %56, %.preheader ], [ %54, %.preheader.preheader ]
  %56 = getelementptr inbounds i8, ptr %55, i64 -32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %56) #8
  %57 = icmp eq ptr %56, %13
  br i1 %57, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %53
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn16
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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 #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

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) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6winnerPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8, ptr noundef, i32 noundef) local_unnamed_addr #5

; 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 #6

; 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 #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #7 align 2

; 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: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { mustprogress nocallback nofree nosync nounwind willreturn }
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 = { 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 #6 = { 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 #7 = { 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 #8 = { 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 = !{!12, !6, i64 32}
!12 = !{!"_ZTSSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiE", !13, i64 0, !6, i64 32}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !14, i64 0, !16, i64 8, !7, i64 16}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = distinct !{!17, !10}


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