; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Codesprints 2016/Codesprint May/Problem E (M)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; 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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #2 align 2

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

; 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) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3subRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2) #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i1, align 1
  %19 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %20) #3
  %22 = trunc i64 %21 to i32
  store i32 %22, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %38, %3
  %24 = load i32, ptr %11, align 4, !tbaa !9
  %25 = load i32, ptr %10, align 4, !tbaa !9
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %45

28:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = load i32, ptr %11, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %29, i64 noundef %31)
          to label %33 unwind label %41

33:                                               ; preds = %28
  %34 = load i8, ptr %32, align 1, !tbaa !11
  %35 = sext i8 %34 to i32
  %36 = sub nsw i32 %35, 48
  store i32 %36, ptr %12, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %37 unwind label %41

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %38

38:                                               ; preds = %37
  %39 = load i32, ptr %11, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %11, align 4, !tbaa !9
  br label %23, !llvm.loop !12

41:                                               ; preds = %33, %28
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %13, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %142

45:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  store i32 0, ptr %15, align 4, !tbaa !9
  br label %46

46:                                               ; preds = %61, %45
  %47 = load i32, ptr %15, align 4, !tbaa !9
  %48 = load i32, ptr %10, align 4, !tbaa !9
  %49 = icmp slt i32 %47, %48
  br i1 %49, label %51, label %50

50:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  br label %68

51:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #3
  %52 = load ptr, ptr %6, align 8, !tbaa !5
  %53 = load i32, ptr %15, align 4, !tbaa !9
  %54 = sext i32 %53 to i64
  %55 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %52, i64 noundef %54)
          to label %56 unwind label %64

56:                                               ; preds = %51
  %57 = load i8, ptr %55, align 1, !tbaa !11
  %58 = sext i8 %57 to i32
  %59 = sub nsw i32 %58, 48
  store i32 %59, ptr %16, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %60 unwind label %64

60:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #3
  br label %61

61:                                               ; preds = %60
  %62 = load i32, ptr %15, align 4, !tbaa !9
  %63 = add nsw i32 %62, 1
  store i32 %63, ptr %15, align 4, !tbaa !9
  br label %46, !llvm.loop !14

64:                                               ; preds = %56, %51
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %13, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  br label %142

68:                                               ; preds = %50
  %69 = load i32, ptr %10, align 4, !tbaa !9
  %70 = sext i32 %69 to i64
  invoke void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %70)
          to label %71 unwind label %78

71:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #3
  %72 = load i32, ptr %10, align 4, !tbaa !9
  %73 = sub nsw i32 %72, 1
  store i32 %73, ptr %17, align 4, !tbaa !9
  br label %74

74:                                               ; preds = %113, %71
  %75 = load i32, ptr %17, align 4, !tbaa !9
  %76 = icmp sge i32 %75, 0
  br i1 %76, label %82, label %77

77:                                               ; preds = %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #3
  br label %116

78:                                               ; preds = %68
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %13, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %14, align 4
  br label %142

82:                                               ; preds = %74
  %83 = load i32, ptr %17, align 4, !tbaa !9
  %84 = sext i32 %83 to i64
  %85 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %84) #3
  %86 = load i32, ptr %85, align 4, !tbaa !9
  %87 = load i32, ptr %17, align 4, !tbaa !9
  %88 = sext i32 %87 to i64
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %88) #3
  %90 = load i32, ptr %89, align 4, !tbaa !9
  %91 = sub nsw i32 %86, %90
  %92 = load i32, ptr %17, align 4, !tbaa !9
  %93 = sext i32 %92 to i64
  %94 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %93) #3
  store i32 %91, ptr %94, align 4, !tbaa !9
  %95 = load i32, ptr %17, align 4, !tbaa !9
  %96 = sext i32 %95 to i64
  %97 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %96) #3
  %98 = load i32, ptr %97, align 4, !tbaa !9
  %99 = icmp slt i32 %98, 0
  br i1 %99, label %100, label %112

100:                                              ; preds = %82
  %101 = load i32, ptr %17, align 4, !tbaa !9
  %102 = sext i32 %101 to i64
  %103 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %102) #3
  %104 = load i32, ptr %103, align 4, !tbaa !9
  %105 = add nsw i32 %104, 10
  store i32 %105, ptr %103, align 4, !tbaa !9
  %106 = load i32, ptr %17, align 4, !tbaa !9
  %107 = sub nsw i32 %106, 1
  %108 = sext i32 %107 to i64
  %109 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %108) #3
  %110 = load i32, ptr %109, align 4, !tbaa !9
  %111 = add nsw i32 %110, -1
  store i32 %111, ptr %109, align 4, !tbaa !9
  br label %112

112:                                              ; preds = %100, %82
  br label %113

113:                                              ; preds = %112
  %114 = load i32, ptr %17, align 4, !tbaa !9
  %115 = add nsw i32 %114, -1
  store i32 %115, ptr %17, align 4, !tbaa !9
  br label %74, !llvm.loop !15

116:                                              ; preds = %77
  store i1 false, ptr %18, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #3
  store i32 0, ptr %19, align 4, !tbaa !9
  br label %117

117:                                              ; preds = %131, %116
  %118 = load i32, ptr %19, align 4, !tbaa !9
  %119 = load i32, ptr %10, align 4, !tbaa !9
  %120 = icmp slt i32 %118, %119
  br i1 %120, label %122, label %121

121:                                              ; preds = %117
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #3
  br label %138

122:                                              ; preds = %117
  %123 = load i32, ptr %19, align 4, !tbaa !9
  %124 = sext i32 %123 to i64
  %125 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %124) #3
  %126 = load i32, ptr %125, align 4, !tbaa !9
  %127 = add nsw i32 48, %126
  %128 = trunc i32 %127 to i8
  %129 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %128)
          to label %130 unwind label %134

130:                                              ; preds = %122
  br label %131

131:                                              ; preds = %130
  %132 = load i32, ptr %19, align 4, !tbaa !9
  %133 = add nsw i32 %132, 1
  store i32 %133, ptr %19, align 4, !tbaa !9
  br label %117, !llvm.loop !16

134:                                              ; preds = %122
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %13, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br label %142

138:                                              ; preds = %121
  store i1 true, ptr %18, align 1
  %139 = load i1, ptr %18, align 1
  br i1 %139, label %141, label %140

140:                                              ; preds = %138
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br label %141

141:                                              ; preds = %140, %138
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  ret void

142:                                              ; preds = %134, %78, %64, %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  br label %143

143:                                              ; preds = %142
  %144 = load ptr, ptr %13, align 8
  %145 = load i32, ptr %14, align 4
  %146 = insertvalue { ptr, i32 } poison, ptr %144, 0
  %147 = insertvalue { ptr, i32 } %146, i32 %145, 1
  resume { ptr, i32 } %147
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = distinct !{!15, !13}
!16 = distinct !{!16, !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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; 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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_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

; 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 #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3subRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  %9 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %10 = trunc i64 %9 to i32
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = and i64 %9, 2147483647
  br label %.lr.ph

.preheader34:                                     ; preds = %16
  br i1 %11, label %.lr.ph37.preheader, label %._crit_edge

.lr.ph37.preheader:                               ; preds = %.preheader34
  %wide.trip.count51 = and i64 %9, 2147483647
  br label %.lr.ph37

.lr.ph:                                           ; preds = %.lr.ph.preheader, %16
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %16 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #3
  %12 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %13 = load i8, ptr %12, align 1, !tbaa !5
  %14 = sext i8 %13 to i32
  %15 = add nsw i32 %14, -48
  store i32 %15, ptr %7, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %16 unwind label %17

16:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #3
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.preheader34, label %.lr.ph, !llvm.loop !10

17:                                               ; preds = %.lr.ph
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #3
  br label %57

._crit_edge:                                      ; preds = %25, %3, %.preheader34
  %sext = shl i64 %9, 32
  %19 = ashr exact i64 %sext, 32
  invoke void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %19)
          to label %.preheader unwind label %28

.preheader:                                       ; preds = %._crit_edge
  br i1 %11, label %.lr.ph41.preheader, label %._crit_edge42.thread

._crit_edge42.thread:                             ; preds = %.preheader
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br label %._crit_edge46

.lr.ph41.preheader:                               ; preds = %.preheader
  %20 = and i64 %9, 2147483647
  br label %.lr.ph41

.lr.ph37:                                         ; preds = %.lr.ph37.preheader, %25
  %indvars.iv48 = phi i64 [ 0, %.lr.ph37.preheader ], [ %indvars.iv.next49, %25 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #3
  %21 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv48)
  %22 = load i8, ptr %21, align 1, !tbaa !5
  %23 = sext i8 %22 to i32
  %24 = add nsw i32 %23, -48
  store i32 %24, ptr %8, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %25 unwind label %26

25:                                               ; preds = %.lr.ph37
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %exitcond52.not = icmp eq i64 %indvars.iv.next49, %wide.trip.count51
  br i1 %exitcond52.not, label %._crit_edge, label %.lr.ph37, !llvm.loop !12

26:                                               ; preds = %.lr.ph37
  %27 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  br label %57

._crit_edge42:                                    ; preds = %47
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br i1 %11, label %.lr.ph45.preheader, label %._crit_edge46

.lr.ph45.preheader:                               ; preds = %._crit_edge42
  %wide.trip.count59 = and i64 %9, 2147483647
  br label %.lr.ph45

28:                                               ; preds = %._crit_edge
  %29 = landingpad { ptr, i32 }
          cleanup
  br label %57

.lr.ph41:                                         ; preds = %.lr.ph41.preheader, %47
  %indvars.iv53 = phi i64 [ %20, %.lr.ph41.preheader ], [ %indvars.iv.next54, %47 ]
  %indvars.iv.next54 = add nsw i64 %indvars.iv53, -1
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv.next54) #3
  %31 = load i32, ptr %30, align 4, !tbaa !8
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv.next54) #3
  %33 = load i32, ptr %32, align 4, !tbaa !8
  %34 = sub nsw i32 %31, %33
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv.next54) #3
  store i32 %34, ptr %35, align 4, !tbaa !8
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv.next54) #3
  %37 = load i32, ptr %36, align 4, !tbaa !8
  %38 = icmp slt i32 %37, 0
  br i1 %38, label %39, label %47

39:                                               ; preds = %.lr.ph41
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv.next54) #3
  %41 = load i32, ptr %40, align 4, !tbaa !8
  %42 = add nsw i32 %41, 10
  store i32 %42, ptr %40, align 4, !tbaa !8
  %43 = add nsw i64 %indvars.iv53, -2
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %43) #3
  %45 = load i32, ptr %44, align 4, !tbaa !8
  %46 = add nsw i32 %45, -1
  store i32 %46, ptr %44, align 4, !tbaa !8
  br label %47

47:                                               ; preds = %.lr.ph41, %39
  %48 = icmp ugt i64 %indvars.iv53, 1
  br i1 %48, label %.lr.ph41, label %._crit_edge42, !llvm.loop !13

.lr.ph45:                                         ; preds = %.lr.ph45.preheader, %54
  %indvars.iv56 = phi i64 [ 0, %.lr.ph45.preheader ], [ %indvars.iv.next57, %54 ]
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv56) #3
  %50 = load i32, ptr %49, align 4, !tbaa !8
  %51 = trunc i32 %50 to i8
  %52 = add i8 %51, 48
  %53 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %52)
          to label %54 unwind label %55

54:                                               ; preds = %.lr.ph45
  %indvars.iv.next57 = add nuw nsw i64 %indvars.iv56, 1
  %exitcond60.not = icmp eq i64 %indvars.iv.next57, %wide.trip.count59
  br i1 %exitcond60.not, label %._crit_edge46, label %.lr.ph45, !llvm.loop !14

55:                                               ; preds = %.lr.ph45
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br label %57

._crit_edge46:                                    ; preds = %54, %._crit_edge42.thread, %._crit_edge42
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  ret void

57:                                               ; preds = %55, %28, %26, %17
  %.pn = phi { ptr, i32 } [ %18, %17 ], [ %27, %26 ], [ %56, %55 ], [ %29, %28 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !11}


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