; LLVM IR from yinqiwen/ardb :: src/common/util (string_helper)

; 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] }

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

; 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 #1 align 2

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

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

declare i32 @__gxx_personality_v0(...)

; 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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) #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4ardb21random_between_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_(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) #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i1, align 1
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i8, align 1
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i8, align 1
  %14 = alloca i8, align 1
  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
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = call noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef nonnull align 8 dereferenceable(32) %16) #6
  br i1 %17, label %18, label %20

18:                                               ; preds = %3
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %19)
  br label %146

20:                                               ; preds = %3
  store i1 false, ptr %7, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %21) #6
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %23) #6
  %25 = icmp ult i64 %22, %24
  br i1 %25, label %26, label %29

26:                                               ; preds = %20
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %27) #6
  br label %32

29:                                               ; preds = %20
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %30) #6
  br label %32

32:                                               ; preds = %29, %26
  %33 = phi i64 [ %28, %26 ], [ %31, %29 ]
  %34 = trunc i64 %33 to i32
  store i32 %34, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %35

35:                                               ; preds = %97, %32
  %36 = load i32, ptr %9, align 4, !tbaa !9
  %37 = load i32, ptr %8, align 4, !tbaa !9
  %38 = icmp ult i32 %36, %37
  br i1 %38, label %39, label %100

39:                                               ; preds = %35
  %40 = load ptr, ptr %5, align 8, !tbaa !5
  %41 = call noundef zeroext i1 @_ZStleIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %40) #6
  br i1 %41, label %42, label %64

42:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #6
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  %44 = load i32, ptr %9, align 4, !tbaa !9
  %45 = zext i32 %44 to i64
  %46 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %43, i64 noundef %45) #6
  %47 = load i8, ptr %46, align 1, !tbaa !11
  %48 = sext i8 %47 to i32
  %49 = load ptr, ptr %6, align 8, !tbaa !5
  %50 = load i32, ptr %9, align 4, !tbaa !9
  %51 = zext i32 %50 to i64
  %52 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %49, i64 noundef %51) #6
  %53 = load i8, ptr %52, align 1, !tbaa !11
  %54 = sext i8 %53 to i32
  %55 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef %48, i32 noundef %54)
          to label %56 unwind label %60

56:                                               ; preds = %42
  %57 = trunc i32 %55 to i8
  store i8 %57, ptr %10, align 1, !tbaa !11
  %58 = load i8, ptr %10, align 1, !tbaa !11
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %58)
          to label %59 unwind label %60

59:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  br label %96

60:                                               ; preds = %56, %42
  %61 = landingpad { ptr, i32 }
          cleanup
  %62 = extractvalue { ptr, i32 } %61, 0
  store ptr %62, ptr %11, align 8
  %63 = extractvalue { ptr, i32 } %61, 1
  store i32 %63, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  br label %143

64:                                               ; preds = %39
  %65 = load ptr, ptr %6, align 8, !tbaa !5
  %66 = call noundef zeroext i1 @_ZStltIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %65) #6
  br i1 %66, label %67, label %94

67:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #6
  %68 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef 0, i32 noundef 255)
          to label %69 unwind label %89

69:                                               ; preds = %67
  %70 = trunc i32 %68 to i8
  store i8 %70, ptr %13, align 1, !tbaa !11
  %71 = load i8, ptr %13, align 1, !tbaa !11
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %71)
          to label %72 unwind label %89

72:                                               ; preds = %69
  %73 = load ptr, ptr %6, align 8, !tbaa !5
  %74 = call noundef zeroext i1 @_ZStgeIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %73) #6
  br i1 %74, label %75, label %93

75:                                               ; preds = %72
  %76 = load ptr, ptr %6, align 8, !tbaa !5
  %77 = load i32, ptr %9, align 4, !tbaa !9
  %78 = zext i32 %77 to i64
  %79 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %76, i64 noundef %78) #6
  %80 = load i8, ptr %79, align 1, !tbaa !11
  %81 = sext i8 %80 to i32
  %82 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef 0, i32 noundef %81)
          to label %83 unwind label %89

83:                                               ; preds = %75
  %84 = trunc i32 %82 to i8
  %85 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #6
  %86 = sub i64 %85, 1
  %87 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %86)
          to label %88 unwind label %89

88:                                               ; preds = %83
  store i8 %84, ptr %87, align 1, !tbaa !11
  br label %93

89:                                               ; preds = %83, %75, %69, %67
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %11, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #6
  br label %143

93:                                               ; preds = %88, %72
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #6
  br label %95

94:                                               ; preds = %64
  call void @abort() #7
  unreachable

95:                                               ; preds = %93
  br label %96

96:                                               ; preds = %95, %59
  br label %97

97:                                               ; preds = %96
  %98 = load i32, ptr %9, align 4, !tbaa !9
  %99 = add i32 %98, 1
  store i32 %99, ptr %9, align 4, !tbaa !9
  br label %35, !llvm.loop !12

100:                                              ; preds = %35
  %101 = load ptr, ptr %5, align 8, !tbaa !5
  %102 = call noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %101) #6
  br i1 %102, label %103, label %141

103:                                              ; preds = %100
  br label %104

104:                                              ; preds = %137, %103
  %105 = load i32, ptr %9, align 4, !tbaa !9
  %106 = zext i32 %105 to i64
  %107 = load ptr, ptr %6, align 8, !tbaa !5
  %108 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %107) #6
  %109 = icmp ult i64 %106, %108
  br i1 %109, label %110, label %140

110:                                              ; preds = %104
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #6
  %111 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef 0, i32 noundef 255)
          to label %112 unwind label %132

112:                                              ; preds = %110
  %113 = trunc i32 %111 to i8
  store i8 %113, ptr %14, align 1, !tbaa !11
  %114 = load i8, ptr %14, align 1, !tbaa !11
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %114)
          to label %115 unwind label %132

115:                                              ; preds = %112
  %116 = load ptr, ptr %6, align 8, !tbaa !5
  %117 = call noundef zeroext i1 @_ZStgeIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %116) #6
  br i1 %117, label %118, label %136

118:                                              ; preds = %115
  %119 = load ptr, ptr %6, align 8, !tbaa !5
  %120 = load i32, ptr %9, align 4, !tbaa !9
  %121 = zext i32 %120 to i64
  %122 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %119, i64 noundef %121) #6
  %123 = load i8, ptr %122, align 1, !tbaa !11
  %124 = sext i8 %123 to i32
  %125 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef 0, i32 noundef %124)
          to label %126 unwind label %132

126:                                              ; preds = %118
  %127 = trunc i32 %125 to i8
  %128 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #6
  %129 = sub i64 %128, 1
  %130 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %129)
          to label %131 unwind label %132

131:                                              ; preds = %126
  store i8 %127, ptr %130, align 1, !tbaa !11
  br label %136

132:                                              ; preds = %126, %118, %112, %110
  %133 = landingpad { ptr, i32 }
          cleanup
  %134 = extractvalue { ptr, i32 } %133, 0
  store ptr %134, ptr %11, align 8
  %135 = extractvalue { ptr, i32 } %133, 1
  store i32 %135, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  br label %143

136:                                              ; preds = %131, %115
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  br label %137

137:                                              ; preds = %136
  %138 = load i32, ptr %9, align 4, !tbaa !9
  %139 = add i32 %138, 1
  store i32 %139, ptr %9, align 4, !tbaa !9
  br label %104, !llvm.loop !14

140:                                              ; preds = %104
  br label %141

141:                                              ; preds = %140, %100
  store i1 true, ptr %7, align 1
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  %142 = load i1, ptr %7, align 1
  br i1 %142, label %145, label %144

143:                                              ; preds = %132, %89, %60
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #6
  br label %147

144:                                              ; preds = %141
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #6
  br label %145

145:                                              ; preds = %144, %141
  br label %146

146:                                              ; preds = %145, %18
  ret void

147:                                              ; preds = %143
  %148 = load ptr, ptr %11, align 8
  %149 = load i32, ptr %12, align 4
  %150 = insertvalue { ptr, i32 } poison, ptr %148, 0
  %151 = insertvalue { ptr, i32 } %150, i32 %149, 1
  resume { ptr, i32 } %151
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStleIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef, i32 noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStltIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStgeIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: noreturn nounwind
declare void @abort() #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress 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 = { "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 = { noreturn nounwind "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 }
attributes #7 = { noreturn 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}


; 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] }

; 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: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 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 #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4ardb21random_between_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_(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 #0 personality ptr @__gxx_personality_v0 {
  %4 = tail call noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  br i1 %4, label %5, label %6

5:                                                ; preds = %3
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %1)
  br label %.loopexit

6:                                                ; preds = %3
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %7 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %8 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %9 = icmp ult i64 %7, %8
  %. = select i1 %9, ptr %1, ptr %2
  %10 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %.) #5
  %11 = trunc i64 %10 to i32
  %.not = icmp eq i32 %11, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %6
  %wide.trip.count = and i64 %10, 4294967295
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %46
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %46 ]
  %12 = tail call noundef zeroext i1 @_ZStleIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  br i1 %12, label %13, label %25

13:                                               ; preds = %.lr.ph
  %14 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv) #5
  %15 = load i8, ptr %14, align 1, !tbaa !5
  %16 = sext i8 %15 to i32
  %17 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv) #5
  %18 = load i8, ptr %17, align 1, !tbaa !5
  %19 = sext i8 %18 to i32
  %20 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef %16, i32 noundef %19)
          to label %21 unwind label %23

21:                                               ; preds = %13
  %22 = trunc i32 %20 to i8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %22)
          to label %46 unwind label %23

23:                                               ; preds = %21, %13
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %74

25:                                               ; preds = %.lr.ph
  %26 = tail call noundef zeroext i1 @_ZStltIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  br i1 %26, label %27, label %45

27:                                               ; preds = %25
  %28 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef 0, i32 noundef 255)
          to label %29 unwind label %43

29:                                               ; preds = %27
  %30 = trunc i32 %28 to i8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %30)
          to label %31 unwind label %43

31:                                               ; preds = %29
  %32 = tail call noundef zeroext i1 @_ZStgeIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  br i1 %32, label %33, label %46

33:                                               ; preds = %31
  %34 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv) #5
  %35 = load i8, ptr %34, align 1, !tbaa !5
  %36 = sext i8 %35 to i32
  %37 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef 0, i32 noundef %36)
          to label %38 unwind label %43

38:                                               ; preds = %33
  %39 = trunc i32 %37 to i8
  %40 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %41 = add i64 %40, -1
  %42 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %41)
  store i8 %39, ptr %42, align 1, !tbaa !5
  br label %46

43:                                               ; preds = %33, %29, %27
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %74

45:                                               ; preds = %25
  tail call void @abort() #6
  unreachable

46:                                               ; preds = %31, %38, %21
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !8

._crit_edge:                                      ; preds = %46, %6
  %47 = tail call noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  br i1 %47, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %._crit_edge
  %48 = and i64 %10, 4294967295
  %49 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %50 = icmp ugt i64 %49, %48
  br i1 %50, label %.lr.ph40, label %.loopexit

.lr.ph40:                                         ; preds = %.preheader, %69
  %51 = phi i64 [ %71, %69 ], [ %48, %.preheader ]
  %.139 = phi i32 [ %70, %69 ], [ %11, %.preheader ]
  %52 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef 0, i32 noundef 255)
          to label %53 unwind label %67

53:                                               ; preds = %.lr.ph40
  %54 = trunc i32 %52 to i8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %54)
          to label %55 unwind label %67

55:                                               ; preds = %53
  %56 = tail call noundef zeroext i1 @_ZStgeIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  br i1 %56, label %57, label %69

57:                                               ; preds = %55
  %58 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %51) #5
  %59 = load i8, ptr %58, align 1, !tbaa !5
  %60 = sext i8 %59 to i32
  %61 = invoke noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef 0, i32 noundef %60)
          to label %62 unwind label %67

62:                                               ; preds = %57
  %63 = trunc i32 %61 to i8
  %64 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %65 = add i64 %64, -1
  %66 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %65)
  store i8 %63, ptr %66, align 1, !tbaa !5
  br label %69

67:                                               ; preds = %57, %53, %.lr.ph40
  %68 = landingpad { ptr, i32 }
          cleanup
  br label %74

69:                                               ; preds = %62, %55
  %70 = add i32 %.139, 1
  %71 = zext i32 %70 to i64
  %72 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %73 = icmp ugt i64 %72, %71
  br i1 %73, label %.lr.ph40, label %.loopexit, !llvm.loop !10

74:                                               ; preds = %67, %43, %23
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %44, %43 ], [ %68, %67 ]
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  resume { ptr, i32 } %.pn

.loopexit:                                        ; preds = %69, %.preheader, %._crit_edge, %5
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcEN9__gnu_cxx11__enable_ifIXsr9__is_charIT_EE7__valueEbE6__typeERKNSt7__cxx1112basic_stringIS2_St11char_traitsIS2_ESaIS2_EEESC_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStleIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

declare noundef i32 @_ZN4ardb20random_between_int32Eii(i32 noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStltIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStgeIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: noreturn nounwind
declare void @abort() local_unnamed_addr #4

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 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 #2 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "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 = { noreturn nounwind "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 }
attributes #6 = { noreturn 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"}
!10 = distinct !{!10, !9}


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