; LLVM IR from ShahjalalShohag/code-library :: Miscellaneous (Negative Base (Binary))

; 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::allocator" = type { i8 }

@.str.1 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [103 x i8], align 1
@__PRETTY_FUNCTION__._Z13negate_numberNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE = external hidden unnamed_addr constant [29 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.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)) #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) #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 void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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

; 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 noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4backEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13negate_numberNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  store i1 false, ptr %5, align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %14 unwind label %22

14:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %15 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %16 = trunc i64 %15 to i32
  store i32 %16, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  br label %17

17:                                               ; preds = %106, %14
  %18 = load i32, ptr %11, align 4, !tbaa !9
  %19 = load i32, ptr %9, align 4, !tbaa !9
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %26, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %109

22:                                               ; preds = %2
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %7, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #4
  br label %113

26:                                               ; preds = %17
  %27 = load i32, ptr %11, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %28)
          to label %30 unwind label %39

30:                                               ; preds = %26
  %31 = load i8, ptr %29, align 1, !tbaa !11
  %32 = sext i8 %31 to i32
  %33 = icmp eq i32 %32, 48
  br i1 %33, label %34, label %43

34:                                               ; preds = %30
  %35 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 48)
          to label %36 unwind label %39

36:                                               ; preds = %34
  %37 = load i32, ptr %11, align 4, !tbaa !9
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %12, align 4, !tbaa !9
  br label %106

39:                                               ; preds = %53, %49, %34, %26
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %7, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %8, align 4
  br label %108

43:                                               ; preds = %30
  %44 = load i32, ptr %11, align 4, !tbaa !9
  store i32 %44, ptr %12, align 4, !tbaa !9
  br label %45

45:                                               ; preds = %66, %43
  %46 = load i32, ptr %12, align 4, !tbaa !9
  %47 = load i32, ptr %9, align 4, !tbaa !9
  %48 = icmp slt i32 %46, %47
  br i1 %48, label %49, label %63

49:                                               ; preds = %45
  %50 = load i32, ptr %11, align 4, !tbaa !9
  %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) %1, i64 noundef %51)
          to label %53 unwind label %39

53:                                               ; preds = %49
  %54 = load i8, ptr %52, align 1, !tbaa !11
  %55 = sext i8 %54 to i32
  %56 = load i32, ptr %12, align 4, !tbaa !9
  %57 = sext i32 %56 to i64
  %58 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %57)
          to label %59 unwind label %39

59:                                               ; preds = %53
  %60 = load i8, ptr %58, align 1, !tbaa !11
  %61 = sext i8 %60 to i32
  %62 = icmp eq i32 %55, %61
  br label %63

63:                                               ; preds = %59, %45
  %64 = phi i1 [ false, %45 ], [ %62, %59 ]
  br i1 %64, label %65, label %69

65:                                               ; preds = %63
  br label %66

66:                                               ; preds = %65
  %67 = load i32, ptr %12, align 4, !tbaa !9
  %68 = add nsw i32 %67, 1
  store i32 %68, ptr %12, align 4, !tbaa !9
  br label %45, !llvm.loop !12

69:                                               ; preds = %63
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  %70 = load i32, ptr %12, align 4, !tbaa !9
  %71 = load i32, ptr %11, align 4, !tbaa !9
  %72 = sub nsw i32 %70, %71
  store i32 %72, ptr %13, align 4, !tbaa !9
  %73 = load i32, ptr %13, align 4, !tbaa !9
  %74 = and i32 %73, 1
  %75 = icmp ne i32 %74, 0
  br i1 %75, label %76, label %96

76:                                               ; preds = %69
  %77 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br i1 %77, label %87, label %78

78:                                               ; preds = %76
  %79 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4backEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %80 = load i8, ptr %79, align 1, !tbaa !11
  %81 = sext i8 %80 to i32
  %82 = icmp eq i32 %81, 48
  br i1 %82, label %83, label %84

83:                                               ; preds = %78
  br label %86

84:                                               ; preds = %78
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.3, i32 noundef 74, ptr noundef @__PRETTY_FUNCTION__._Z13negate_numberNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE) #5
  unreachable

85:                                               ; No predecessors!
  br label %86

86:                                               ; preds = %85, %83
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %87

87:                                               ; preds = %86, %76
  %88 = load i32, ptr %13, align 4, !tbaa !9
  %89 = add nsw i32 %88, -1
  store i32 %89, ptr %13, align 4, !tbaa !9
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 49)
          to label %90 unwind label %92

90:                                               ; preds = %87
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 49)
          to label %91 unwind label %92

91:                                               ; preds = %90
  br label %96

92:                                               ; preds = %101, %100, %90, %87
  %93 = landingpad { ptr, i32 }
          cleanup
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %7, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %108

96:                                               ; preds = %91, %69
  br label %97

97:                                               ; preds = %102, %96
  %98 = load i32, ptr %13, align 4, !tbaa !9
  %99 = icmp ne i32 %98, 0
  br i1 %99, label %100, label %105

100:                                              ; preds = %97
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 48)
          to label %101 unwind label %92

101:                                              ; preds = %100
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 49)
          to label %102 unwind label %92

102:                                              ; preds = %101
  %103 = load i32, ptr %13, align 4, !tbaa !9
  %104 = sub nsw i32 %103, 2
  store i32 %104, ptr %13, align 4, !tbaa !9
  br label %97, !llvm.loop !14

105:                                              ; preds = %97
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %106

106:                                              ; preds = %105, %36
  %107 = load i32, ptr %12, align 4, !tbaa !9
  store i32 %107, ptr %11, align 4, !tbaa !9
  br label %17, !llvm.loop !15

108:                                              ; preds = %92, %39
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %113

109:                                              ; preds = %21
  store i1 true, ptr %5, align 1
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  %110 = load i1, ptr %5, align 1
  br i1 %110, label %112, label %111

111:                                              ; preds = %109
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %112

112:                                              ; preds = %111, %109
  ret void

113:                                              ; preds = %108, %22
  %114 = load ptr, ptr %7, align 8
  %115 = load i32, ptr %8, align 4
  %116 = insertvalue { ptr, i32 } poison, ptr %114, 0
  %117 = insertvalue { ptr, i32 } %116, i32 %115, 1
  resume { ptr, i32 } %117
}

; 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: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 #4 = { nounwind }
attributes #5 = { 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}
!15 = distinct !{!15, !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::allocator" = type { i8 }

@.str.1 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [103 x i8], align 1
@__PRETTY_FUNCTION__._Z13negate_numberNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE = external hidden unnamed_addr constant [29 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.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)) local_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 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 void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4backEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13negate_numberNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %4 unwind label %9

4:                                                ; preds = %2
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  %5 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %6 = trunc i64 %5 to i32
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph38.preheader, label %._crit_edge

.lr.ph38.preheader:                               ; preds = %4
  %8 = and i64 %5, 2147483647
  br label %.lr.ph38

9:                                                ; preds = %2
  %10 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  br label %48

.lr.ph38:                                         ; preds = %.lr.ph38.preheader, %.loopexit
  %.02137 = phi i32 [ %.120, %.loopexit ], [ 0, %.lr.ph38.preheader ]
  %11 = sext i32 %.02137 to i64
  %12 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %11)
  %13 = load i8, ptr %12, align 1, !tbaa !5
  %14 = icmp eq i8 %13, 48
  br i1 %14, label %16, label %.preheader

.preheader:                                       ; preds = %.lr.ph38
  %15 = icmp slt i32 %.02137, %6
  br i1 %15, label %.lr.ph, label %.critedge

16:                                               ; preds = %.lr.ph38
  %17 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 48)
          to label %18 unwind label %20

18:                                               ; preds = %16
  %19 = add nsw i32 %.02137, 1
  br label %.loopexit

20:                                               ; preds = %16
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %47

.lr.ph:                                           ; preds = %.preheader, %27
  %indvars.iv = phi i64 [ %indvars.iv.next, %27 ], [ %11, %.preheader ]
  %22 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %11)
  %23 = load i8, ptr %22, align 1, !tbaa !5
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %25 = load i8, ptr %24, align 1, !tbaa !5
  %26 = icmp eq i8 %23, %25
  br i1 %26, label %27, label %.critedge.loopexit.split.loop.exit40

27:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %8
  br i1 %exitcond.not, label %.critedge, label %.lr.ph, !llvm.loop !8

.critedge.loopexit.split.loop.exit40:             ; preds = %.lr.ph
  %28 = trunc nsw i64 %indvars.iv to i32
  br label %.critedge

.critedge:                                        ; preds = %27, %.critedge.loopexit.split.loop.exit40, %.preheader
  %.019.lcssa = phi i32 [ %.02137, %.preheader ], [ %28, %.critedge.loopexit.split.loop.exit40 ], [ %6, %27 ]
  %29 = sub nsw i32 %.019.lcssa, %.02137
  %30 = and i32 %29, 1
  %.not = icmp eq i32 %30, 0
  br i1 %.not, label %42, label %31

31:                                               ; preds = %.critedge
  %32 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br i1 %32, label %39, label %33

33:                                               ; preds = %31
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4backEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  %35 = load i8, ptr %34, align 1, !tbaa !5
  %36 = icmp eq i8 %35, 48
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.3, i32 noundef 74, ptr noundef nonnull @__PRETTY_FUNCTION__._Z13negate_numberNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE) #5
  unreachable

38:                                               ; preds = %33
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %39

39:                                               ; preds = %38, %31
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 49)
          to label %40 unwind label %.loopexit.split-lp

40:                                               ; preds = %39
  %41 = add nsw i32 %29, -1
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 49)
          to label %42 unwind label %.loopexit.split-lp

.loopexit30:                                      ; preds = %.lr.ph36, %43
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %47

.loopexit.split-lp:                               ; preds = %39, %40
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %47

42:                                               ; preds = %40, %.critedge
  %.0 = phi i32 [ %41, %40 ], [ %29, %.critedge ]
  %.not2734 = icmp eq i32 %.0, 0
  br i1 %.not2734, label %.loopexit, label %.lr.ph36

.lr.ph36:                                         ; preds = %42, %44
  %.135 = phi i32 [ %45, %44 ], [ %.0, %42 ]
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 48)
          to label %43 unwind label %.loopexit30

43:                                               ; preds = %.lr.ph36
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext 49)
          to label %44 unwind label %.loopexit30

44:                                               ; preds = %43
  %45 = add nsw i32 %.135, -2
  %.not27 = icmp eq i32 %45, 0
  br i1 %.not27, label %.loopexit, label %.lr.ph36, !llvm.loop !10

.loopexit:                                        ; preds = %44, %42, %18
  %.120 = phi i32 [ %19, %18 ], [ %.019.lcssa, %42 ], [ %.019.lcssa, %44 ]
  %46 = icmp slt i32 %.120, %6
  br i1 %46, label %.lr.ph38, label %._crit_edge, !llvm.loop !11

47:                                               ; preds = %.loopexit30, %.loopexit.split-lp, %20
  %.pn = phi { ptr, i32 } [ %21, %20 ], [ %lpad.loopexit, %.loopexit30 ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %48

._crit_edge:                                      ; preds = %.loopexit, %4
  ret void

48:                                               ; preds = %47, %9
  %.pn.pn = phi { ptr, i32 } [ %.pn, %47 ], [ %10, %9 ]
  resume { ptr, i32 } %.pn.pn
}

; 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: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 #4 = { nounwind }
attributes #5 = { 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}
!11 = distinct !{!11, !9}


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