; LLVM IR from AdarshGaur/Competitive-Programming :: Codeforces/Educational Codeforces Round 122 (Rated for Div. 2)/A. Div. 7.ll (Z5solvev)

; 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::__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

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %12 = 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) %2)
          to label %13 unwind label %22

13:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %14 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %15 unwind label %26

15:                                               ; preds = %13
  %16 = sext i32 %14 to i64
  store i64 %16, ptr %5, align 8, !tbaa !5
  %17 = load i64, ptr %5, align 8, !tbaa !5
  %18 = srem i64 %17, 7
  %19 = icmp eq i64 %18, 0
  br i1 %19, label %20, label %30

20:                                               ; preds = %15
  %21 = load i64, ptr %5, align 8, !tbaa !5
  store i64 %21, ptr %1, align 8
  store i32 1, ptr %6, align 4
  br label %99

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %3, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %4, align 4
  br label %102

26:                                               ; preds = %13
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %3, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %4, align 4
  br label %101

30:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %31 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %32 = sub i64 %31, 1
  store i64 %32, ptr %7, align 8, !tbaa !5
  br label %33

33:                                               ; preds = %91, %30
  %34 = load i64, ptr %7, align 8, !tbaa !5
  %35 = icmp sge i64 %34, 0
  br i1 %35, label %37, label %36

36:                                               ; preds = %33
  store i32 2, ptr %6, align 4
  br label %95

37:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %38 unwind label %43

38:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  store i64 0, ptr %9, align 8, !tbaa !5
  br label %39

39:                                               ; preds = %81, %38
  %40 = load i64, ptr %9, align 8, !tbaa !5
  %41 = icmp sle i64 %40, 9
  br i1 %41, label %47, label %42

42:                                               ; preds = %39
  store i32 5, ptr %6, align 4
  br label %84

43:                                               ; preds = %37
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %3, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %4, align 4
  br label %94

47:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #5
  %48 = load i64, ptr %9, align 8, !tbaa !5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %10, i64 noundef %48)
          to label %49 unwind label %64

49:                                               ; preds = %47
  %50 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %10, i64 noundef 0)
          to label %51 unwind label %68

51:                                               ; preds = %49
  %52 = load i8, ptr %50, align 1, !tbaa !9
  %53 = load i64, ptr %7, align 8, !tbaa !5
  %54 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %53)
          to label %55 unwind label %68

55:                                               ; preds = %51
  store i8 %52, ptr %54, align 1, !tbaa !9
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %56 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef null, i32 noundef 10)
          to label %57 unwind label %73

57:                                               ; preds = %55
  %58 = sext i32 %56 to i64
  store i64 %58, ptr %11, align 8, !tbaa !5
  %59 = load i64, ptr %11, align 8, !tbaa !5
  %60 = srem i64 %59, 7
  %61 = icmp eq i64 %60, 0
  br i1 %61, label %62, label %77

62:                                               ; preds = %57
  %63 = load i64, ptr %11, align 8, !tbaa !5
  store i64 %63, ptr %1, align 8
  store i32 1, ptr %6, align 4
  br label %78

64:                                               ; preds = %47
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %3, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %4, align 4
  br label %72

68:                                               ; preds = %51, %49
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %3, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %4, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #5
  br label %72

72:                                               ; preds = %68, %64
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #5
  br label %86

73:                                               ; preds = %55
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %3, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %86

77:                                               ; preds = %57
  store i32 0, ptr %6, align 4
  br label %78

78:                                               ; preds = %77, %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  %79 = load i32, ptr %6, align 4
  switch i32 %79, label %84 [
    i32 0, label %80
  ]

80:                                               ; preds = %78
  br label %81

81:                                               ; preds = %80
  %82 = load i64, ptr %9, align 8, !tbaa !5
  %83 = add nsw i64 %82, 1
  store i64 %83, ptr %9, align 8, !tbaa !5
  br label %39, !llvm.loop !10

84:                                               ; preds = %78, %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  %85 = load i32, ptr %6, align 4
  switch i32 %85, label %88 [
    i32 5, label %87
  ]

86:                                               ; preds = %73, %72
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  br label %94

87:                                               ; preds = %84
  store i32 0, ptr %6, align 4
  br label %88

88:                                               ; preds = %87, %84
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  %89 = load i32, ptr %6, align 4
  switch i32 %89, label %95 [
    i32 0, label %90
  ]

90:                                               ; preds = %88
  br label %91

91:                                               ; preds = %90
  %92 = load i64, ptr %7, align 8, !tbaa !5
  %93 = add nsw i64 %92, -1
  store i64 %93, ptr %7, align 8, !tbaa !5
  br label %33, !llvm.loop !12

94:                                               ; preds = %86, %43
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %101

95:                                               ; preds = %88, %36
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  %96 = load i32, ptr %6, align 4
  switch i32 %96, label %99 [
    i32 2, label %97
  ]

97:                                               ; preds = %95
  %98 = load i64, ptr %5, align 8, !tbaa !5
  store i64 %98, ptr %1, align 8
  store i32 1, ptr %6, align 4
  br label %99

99:                                               ; preds = %97, %95, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #5
  %100 = load i64, ptr %1, align 8
  ret i64 %100

101:                                              ; preds = %94, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %102

102:                                              ; preds = %101, %22
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #5
  br label %103

103:                                              ; preds = %102
  %104 = load ptr, ptr %3, align 8
  %105 = load i32, ptr %4, align 4
  %106 = insertvalue { ptr, i32 } poison, ptr %104, 0
  %107 = insertvalue { ptr, i32 } %106, i32 %105, 1
  resume { ptr, i32 } %107
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) #4

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, i64 noundef) #4

; 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) #2 align 2

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

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

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

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

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


; 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::__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

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %4 = 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) %1)
          to label %5 unwind label %10

5:                                                ; preds = %0
  %6 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef null, i32 noundef 10)
          to label %7 unwind label %12

7:                                                ; preds = %5
  %8 = srem i32 %6, 7
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %.loopexit, label %14

10:                                               ; preds = %0
  %11 = landingpad { ptr, i32 }
          cleanup
  br label %97

12:                                               ; preds = %5
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %97

14:                                               ; preds = %7
  %15 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %.02141 = add i64 %15, -1
  %16 = icmp slt i64 %.02141, 0
  br i1 %16, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %14, %80
  %.02142 = phi i64 [ %.021, %80 ], [ %.02141, %14 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %.preheader.preheader unwind label %82

.preheader.preheader:                             ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 0)
          to label %84 unwind label %91

.preheader.1:                                     ; preds = %89
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 1)
          to label %17 unwind label %91

17:                                               ; preds = %.preheader.1
  %18 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %19 = load i8, ptr %18, align 1, !tbaa !5
  %20 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %19, ptr %20, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %21 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %22 unwind label %93

22:                                               ; preds = %17
  %23 = srem i32 %21, 7
  %.not.1 = icmp eq i32 %23, 0
  br i1 %.not.1, label %.thread, label %.preheader.2

.preheader.2:                                     ; preds = %22
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 2)
          to label %24 unwind label %91

24:                                               ; preds = %.preheader.2
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %26 = load i8, ptr %25, align 1, !tbaa !5
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %26, ptr %27, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %28 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %29 unwind label %93

29:                                               ; preds = %24
  %30 = srem i32 %28, 7
  %.not.2 = icmp eq i32 %30, 0
  br i1 %.not.2, label %.thread, label %.preheader.3

.preheader.3:                                     ; preds = %29
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 3)
          to label %31 unwind label %91

31:                                               ; preds = %.preheader.3
  %32 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %33 = load i8, ptr %32, align 1, !tbaa !5
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %33, ptr %34, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %35 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %36 unwind label %93

36:                                               ; preds = %31
  %37 = srem i32 %35, 7
  %.not.3 = icmp eq i32 %37, 0
  br i1 %.not.3, label %.thread, label %.preheader.4

.preheader.4:                                     ; preds = %36
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 4)
          to label %38 unwind label %91

38:                                               ; preds = %.preheader.4
  %39 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %40 = load i8, ptr %39, align 1, !tbaa !5
  %41 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %40, ptr %41, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %42 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %43 unwind label %93

43:                                               ; preds = %38
  %44 = srem i32 %42, 7
  %.not.4 = icmp eq i32 %44, 0
  br i1 %.not.4, label %.thread, label %.preheader.5

.preheader.5:                                     ; preds = %43
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 5)
          to label %45 unwind label %91

45:                                               ; preds = %.preheader.5
  %46 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %47 = load i8, ptr %46, align 1, !tbaa !5
  %48 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %47, ptr %48, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %49 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %50 unwind label %93

50:                                               ; preds = %45
  %51 = srem i32 %49, 7
  %.not.5 = icmp eq i32 %51, 0
  br i1 %.not.5, label %.thread, label %.preheader.6

.preheader.6:                                     ; preds = %50
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 6)
          to label %52 unwind label %91

52:                                               ; preds = %.preheader.6
  %53 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %54 = load i8, ptr %53, align 1, !tbaa !5
  %55 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %54, ptr %55, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %56 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %57 unwind label %93

57:                                               ; preds = %52
  %58 = srem i32 %56, 7
  %.not.6 = icmp eq i32 %58, 0
  br i1 %.not.6, label %.thread, label %.preheader.7

.preheader.7:                                     ; preds = %57
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 7)
          to label %59 unwind label %91

59:                                               ; preds = %.preheader.7
  %60 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %61 = load i8, ptr %60, align 1, !tbaa !5
  %62 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %61, ptr %62, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %63 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %64 unwind label %93

64:                                               ; preds = %59
  %65 = srem i32 %63, 7
  %.not.7 = icmp eq i32 %65, 0
  br i1 %.not.7, label %.thread, label %.preheader.8

.preheader.8:                                     ; preds = %64
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 8)
          to label %66 unwind label %91

66:                                               ; preds = %.preheader.8
  %67 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %68 = load i8, ptr %67, align 1, !tbaa !5
  %69 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %68, ptr %69, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %70 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %71 unwind label %93

71:                                               ; preds = %66
  %72 = srem i32 %70, 7
  %.not.8 = icmp eq i32 %72, 0
  br i1 %.not.8, label %.thread, label %.preheader.9

.preheader.9:                                     ; preds = %71
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  invoke void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, i64 noundef 9)
          to label %73 unwind label %91

73:                                               ; preds = %.preheader.9
  %74 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %75 = load i8, ptr %74, align 1, !tbaa !5
  %76 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %75, ptr %76, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %77 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %78 unwind label %93

78:                                               ; preds = %73
  %79 = srem i32 %77, 7
  %.not.9 = icmp eq i32 %79, 0
  br i1 %.not.9, label %.thread, label %80

80:                                               ; preds = %78
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  %.021 = add nsw i64 %.02142, -1
  %81 = icmp slt i64 %.02142, 1
  br i1 %81, label %.loopexit, label %.lr.ph, !llvm.loop !8

82:                                               ; preds = %.lr.ph
  %83 = landingpad { ptr, i32 }
          cleanup
  br label %96

84:                                               ; preds = %.preheader.preheader
  %85 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %86 = load i8, ptr %85, align 1, !tbaa !5
  %87 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02142)
  store i8 %86, ptr %87, align 1, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  %88 = invoke noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef null, i32 noundef 10)
          to label %89 unwind label %93

89:                                               ; preds = %84
  %90 = srem i32 %88, 7
  %.not = icmp eq i32 %90, 0
  br i1 %.not, label %.thread, label %.preheader.1

.thread:                                          ; preds = %78, %71, %64, %57, %50, %43, %36, %29, %22, %89
  %.lcssa = phi i32 [ %88, %89 ], [ %21, %22 ], [ %28, %29 ], [ %35, %36 ], [ %42, %43 ], [ %49, %50 ], [ %56, %57 ], [ %63, %64 ], [ %70, %71 ], [ %77, %78 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  br label %.loopexit

91:                                               ; preds = %.preheader.9, %.preheader.8, %.preheader.7, %.preheader.6, %.preheader.5, %.preheader.4, %.preheader.3, %.preheader.2, %.preheader.1, %.preheader.preheader
  %92 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  br label %95

93:                                               ; preds = %73, %66, %59, %52, %45, %38, %31, %24, %17, %84
  %94 = landingpad { ptr, i32 }
          cleanup
  br label %95

95:                                               ; preds = %93, %91
  %.pn = phi { ptr, i32 } [ %94, %93 ], [ %92, %91 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  br label %96

96:                                               ; preds = %95, %82
  %.pn.pn = phi { ptr, i32 } [ %.pn, %95 ], [ %83, %82 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  br label %97

.loopexit:                                        ; preds = %80, %14, %.thread, %7
  %.5.in = phi i32 [ %6, %7 ], [ %.lcssa, %.thread ], [ %6, %14 ], [ %6, %80 ]
  %.5 = sext i32 %.5.in to i64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  ret i64 %.5

97:                                               ; preds = %12, %96, %10
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %11, %10 ], [ %.pn.pn, %96 ], [ %13, %12 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn.pn.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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 #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) local_unnamed_addr #4

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZNSt7__cxx119to_stringEl(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, i64 noundef) local_unnamed_addr #4

; 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 #2 align 2

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

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

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass