; LLVM IR from emeraldacoustics/atcoder-solutions :: abc363_c (main)

; 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" }
%"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.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; 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 %"class.std::__cxx11::basic_string", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca i8, align 1
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 0, ptr %1, align 4
  %16 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %17 = 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)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %19 = 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) %4)
          to label %20 unwind label %38

20:                                               ; preds = %0
  %21 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %22 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %21, ptr %22, align 8
  %23 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  %25 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  %26 = load ptr, ptr %25, align 8
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  %28 = load ptr, ptr %27, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %26, ptr %28)
          to label %29 unwind label %38

29:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %30

30:                                               ; preds = %107, %29
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #6
  store i8 1, ptr %10, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %86, %30
  %32 = load i32, ptr %11, align 4, !tbaa !5
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = sub nsw i32 %33, %34
  %36 = icmp sle i32 %32, %35
  br i1 %36, label %42, label %37

37:                                               ; preds = %31
  store i32 4, ptr %12, align 4
  br label %89

38:                                               ; preds = %20, %0
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %5, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %6, align 4
  br label %120

42:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %43

43:                                               ; preds = %74, %42
  %44 = load i32, ptr %13, align 4, !tbaa !5
  %45 = load i32, ptr %3, align 4, !tbaa !5
  %46 = icmp slt i32 %44, %45
  br i1 %46, label %47, label %77

47:                                               ; preds = %43
  %48 = load i32, ptr %11, align 4, !tbaa !5
  %49 = load i32, ptr %13, align 4, !tbaa !5
  %50 = add nsw i32 %48, %49
  %51 = sext i32 %50 to i64
  %52 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %51)
          to label %53 unwind label %69

53:                                               ; preds = %47
  %54 = load i8, ptr %52, align 1, !tbaa !11
  %55 = sext i8 %54 to i32
  %56 = load i32, ptr %11, align 4, !tbaa !5
  %57 = load i32, ptr %3, align 4, !tbaa !5
  %58 = add nsw i32 %56, %57
  %59 = load i32, ptr %13, align 4, !tbaa !5
  %60 = sub nsw i32 %58, %59
  %61 = sub nsw i32 %60, 1
  %62 = sext i32 %61 to i64
  %63 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %62)
          to label %64 unwind label %69

64:                                               ; preds = %53
  %65 = load i8, ptr %63, align 1, !tbaa !11
  %66 = sext i8 %65 to i32
  %67 = icmp ne i32 %55, %66
  br i1 %67, label %68, label %73

68:                                               ; preds = %64
  br label %77

69:                                               ; preds = %53, %47
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %5, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  br label %119

73:                                               ; preds = %64
  br label %74

74:                                               ; preds = %73
  %75 = load i32, ptr %13, align 4, !tbaa !5
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr %13, align 4, !tbaa !5
  br label %43, !llvm.loop !12

77:                                               ; preds = %68, %43
  %78 = load i32, ptr %13, align 4, !tbaa !5
  %79 = load i32, ptr %3, align 4, !tbaa !5
  %80 = icmp eq i32 %78, %79
  br i1 %80, label %81, label %82

81:                                               ; preds = %77
  store i8 0, ptr %10, align 1, !tbaa !9
  store i32 4, ptr %12, align 4
  br label %83

82:                                               ; preds = %77
  store i32 0, ptr %12, align 4
  br label %83

83:                                               ; preds = %82, %81
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  %84 = load i32, ptr %12, align 4
  switch i32 %84, label %89 [
    i32 0, label %85
  ]

85:                                               ; preds = %83
  br label %86

86:                                               ; preds = %85
  %87 = load i32, ptr %11, align 4, !tbaa !5
  %88 = add nsw i32 %87, 1
  store i32 %88, ptr %11, align 4, !tbaa !5
  br label %31, !llvm.loop !14

89:                                               ; preds = %83, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %90

90:                                               ; preds = %89
  %91 = load i8, ptr %10, align 1, !tbaa !9, !range !15, !noundef !16
  %92 = trunc i8 %91 to i1
  br i1 %92, label %93, label %96

93:                                               ; preds = %90
  %94 = load i32, ptr %9, align 4, !tbaa !5
  %95 = add nsw i32 %94, 1
  store i32 %95, ptr %9, align 4, !tbaa !5
  br label %96

96:                                               ; preds = %93, %90
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  br label %97

97:                                               ; preds = %96
  %98 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %99 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %98, ptr %99, align 8
  %100 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %101 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %100, ptr %101, align 8
  %102 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %103 = load ptr, ptr %102, align 8
  %104 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %105 = load ptr, ptr %104, align 8
  %106 = invoke noundef zeroext i1 @_ZSt16next_permutationIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEbT_SA_(ptr %103, ptr %105)
          to label %107 unwind label %115

107:                                              ; preds = %97
  br i1 %106, label %30, label %108, !llvm.loop !17

108:                                              ; preds = %107
  %109 = load i32, ptr %9, align 4, !tbaa !5
  %110 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %109)
          to label %111 unwind label %115

111:                                              ; preds = %108
  %112 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %110, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %113 unwind label %115

113:                                              ; preds = %111
  store i32 0, ptr %1, align 4
  store i32 1, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %114 = load i32, ptr %1, align 4
  ret i32 %114

115:                                              ; preds = %111, %108, %97
  %116 = landingpad { ptr, i32 }
          cleanup
  %117 = extractvalue { ptr, i32 } %116, 0
  store ptr %117, ptr %5, align 8
  %118 = extractvalue { ptr, i32 } %116, 1
  store i32 %118, ptr %6, align 4
  br label %119

119:                                              ; preds = %115, %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %120

120:                                              ; preds = %119, %38
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %121

121:                                              ; preds = %120
  %122 = load ptr, ptr %5, align 8
  %123 = load i32, ptr %6, align 4
  %124 = insertvalue { ptr, i32 } poison, ptr %122, 0
  %125 = insertvalue { ptr, i32 } %124, i32 %123, 1
  resume { ptr, i32 } %125
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 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)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #3 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZSt16next_permutationIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEbT_SA_(ptr, ptr) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; 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)) #4

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = { 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 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !13}


; 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" }
%"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

; 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 %"class.std::__cxx11::basic_string", align 8
  %4 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %5 = 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)
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %7 = 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) %3)
          to label %8 unwind label %26

8:                                                ; preds = %0
  %9 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %10 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %9, ptr %10)
          to label %.preheader28 unwind label %26

.preheader28:                                     ; preds = %8, %49
  %.022 = phi i32 [ %spec.select, %49 ], [ 0, %8 ]
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %.not33 = icmp slt i32 %11, %12
  br i1 %.not33, label %._crit_edge36, label %.preheader.lr.ph

.preheader.lr.ph:                                 ; preds = %.preheader28
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.preheader, label %.preheader.lr.ph.split.us

.preheader.lr.ph.split.us:                        ; preds = %.preheader.lr.ph
  %.not26.us = icmp eq i32 %12, 0
  br i1 %.not26.us, label %._crit_edge36, label %.lr.ph41

.lr.ph41:                                         ; preds = %.preheader.lr.ph.split.us
  %14 = sub nsw i32 %11, %12
  %smax = call i32 @llvm.smax.i32(i32 %14, i32 0)
  %15 = add nuw i32 %smax, 1
  %xtraiter = and i32 %15, 7
  %16 = icmp slt i32 %14, 7
  br i1 %16, label %._crit_edge36.loopexit45.unr-lcssa, label %.lr.ph41.new

.lr.ph41.new:                                     ; preds = %.lr.ph41
  %unroll_iter = and i32 %15, -8
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us, %.lr.ph41.new
  %17 = phi i32 [ 1, %.lr.ph41.new ], [ %18, %.preheader.us ]
  %niter = phi i32 [ 0, %.lr.ph41.new ], [ %niter.next.7, %.preheader.us ]
  %18 = add nuw i32 %17, 8
  %niter.next.7 = add i32 %niter, 8
  %niter.ncmp.7 = icmp eq i32 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7, label %._crit_edge36.loopexit45.unr-lcssa.loopexit, label %.preheader.us, !llvm.loop !9

19:                                               ; preds = %._crit_edge
  %indvars.iv.next48 = add nuw nsw i64 %indvars.iv47, 1
  %20 = load i32, ptr %1, align 4, !tbaa !5
  %21 = sub nsw i32 %20, %42
  %22 = sext i32 %21 to i64
  %.not.not = icmp slt i64 %indvars.iv47, %22
  br i1 %.not.not, label %.preheader, label %._crit_edge36, !llvm.loop !11

.preheader:                                       ; preds = %.preheader.lr.ph, %19
  %23 = phi i32 [ %42, %19 ], [ %12, %.preheader.lr.ph ]
  %indvars.iv47 = phi i64 [ %indvars.iv.next48, %19 ], [ 0, %.preheader.lr.ph ]
  %24 = icmp sgt i32 %23, 0
  br i1 %24, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %.preheader
  %25 = trunc nuw nsw i64 %indvars.iv47 to i32
  br label %.lr.ph

26:                                               ; preds = %8, %0
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %56

.lr.ph:                                           ; preds = %.lr.ph.preheader, %39
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %39 ]
  %28 = add nuw nsw i64 %indvars.iv, %indvars.iv47
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %28)
  %30 = load i8, ptr %29, align 1, !tbaa !13
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = trunc nuw nsw i64 %indvars.iv to i32
  %33 = xor i32 %32, -1
  %34 = add nsw i32 %25, %33
  %35 = add i32 %34, %31
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %36)
  %38 = load i8, ptr %37, align 1, !tbaa !13
  %.not25 = icmp eq i8 %30, %38
  %.pre.pre = load i32, ptr %2, align 4, !tbaa !5
  br i1 %.not25, label %39, label %._crit_edge

39:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %40 = sext i32 %.pre.pre to i64
  %41 = icmp slt i64 %indvars.iv.next, %40
  br i1 %41, label %.lr.ph, label %._crit_edge.loopexit.split.loop.exit49, !llvm.loop !14

._crit_edge.loopexit.split.loop.exit49:           ; preds = %39
  %indvars.le = trunc i64 %indvars.iv.next to i32
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %._crit_edge.loopexit.split.loop.exit49, %.preheader
  %42 = phi i32 [ %23, %.preheader ], [ %.pre.pre, %._crit_edge.loopexit.split.loop.exit49 ], [ %.pre.pre, %.lr.ph ]
  %.018.lcssa = phi i32 [ 0, %.preheader ], [ %indvars.le, %._crit_edge.loopexit.split.loop.exit49 ], [ %32, %.lr.ph ]
  %.not26.not = icmp ne i32 %.018.lcssa, %42
  br i1 %.not26.not, label %19, label %._crit_edge36

._crit_edge36.loopexit45.unr-lcssa.loopexit:      ; preds = %.preheader.us
  %43 = add nuw i32 %17, 7
  br label %._crit_edge36.loopexit45.unr-lcssa

._crit_edge36.loopexit45.unr-lcssa:               ; preds = %._crit_edge36.loopexit45.unr-lcssa.loopexit, %.lr.ph41
  %.lcssa.ph = phi i32 [ poison, %.lr.ph41 ], [ %43, %._crit_edge36.loopexit45.unr-lcssa.loopexit ]
  %.unr = phi i32 [ 1, %.lr.ph41 ], [ %18, %._crit_edge36.loopexit45.unr-lcssa.loopexit ]
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge36.loopexit45, label %.preheader.us.epil

.preheader.us.epil:                               ; preds = %._crit_edge36.loopexit45.unr-lcssa, %.preheader.us.epil
  %44 = phi i32 [ %45, %.preheader.us.epil ], [ %.unr, %._crit_edge36.loopexit45.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.preheader.us.epil ], [ 0, %._crit_edge36.loopexit45.unr-lcssa ]
  %45 = add nuw i32 %44, 1
  %epil.iter.next = add i32 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i32 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge36.loopexit45, label %.preheader.us.epil, !llvm.loop !15

._crit_edge36.loopexit45:                         ; preds = %.preheader.us.epil, %._crit_edge36.loopexit45.unr-lcssa
  %.lcssa = phi i32 [ %.lcssa.ph, %._crit_edge36.loopexit45.unr-lcssa ], [ %44, %.preheader.us.epil ]
  %.not.us = icmp sgt i32 %.lcssa, %14
  br label %._crit_edge36

._crit_edge36:                                    ; preds = %._crit_edge, %19, %._crit_edge36.loopexit45, %.preheader.lr.ph.split.us, %.preheader28
  %.not.lcssa = phi i1 [ true, %.preheader28 ], [ false, %.preheader.lr.ph.split.us ], [ %.not.us, %._crit_edge36.loopexit45 ], [ %.not26.not, %19 ], [ %.not26.not, %._crit_edge ]
  %46 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %47 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %48 = invoke noundef zeroext i1 @_ZSt16next_permutationIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEbT_SA_(ptr %46, ptr %47)
          to label %49 unwind label %.loopexit

49:                                               ; preds = %._crit_edge36
  %50 = zext i1 %.not.lcssa to i32
  %spec.select = add nuw nsw i32 %.022, %50
  br i1 %48, label %.preheader28, label %51, !llvm.loop !17

51:                                               ; preds = %49
  %52 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %spec.select)
          to label %53 unwind label %.loopexit.split-lp

53:                                               ; preds = %51
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %52, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %55 unwind label %.loopexit.split-lp

55:                                               ; preds = %53
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

.loopexit:                                        ; preds = %._crit_edge36
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %56

.loopexit.split-lp:                               ; preds = %51, %53
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %56

56:                                               ; preds = %.loopexit, %.loopexit.split-lp, %26
  %.pn = phi { ptr, i32 } [ %27, %26 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 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 #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #3 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZSt16next_permutationIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEbT_SA_(ptr, ptr) local_unnamed_addr #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; 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)) #4

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #6

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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress 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 #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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #7 = { nounwind }

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

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


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass,TailCallElimPass