; LLVM IR from Mohammed-Shoaib/Coding-Problems :: Gulf Programming Contest/2019/secret (secret)

; 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::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6secretNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca i1, align 1
  %8 = alloca %"class.std::deque", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca ptr, align 8
  %14 = alloca %"struct.std::_Deque_iterator", align 8
  %15 = alloca %"struct.std::_Deque_iterator", align 8
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  store i1 false, ptr %7, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  call void @llvm.lifetime.start.p0(i64 80, ptr %8) #4
  invoke void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %8)
          to label %17 unwind label %24

17:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 1, ptr %11, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %71, %17
  %19 = load i32, ptr %11, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %22 = icmp ult i64 %20, %21
  br i1 %22, label %28, label %23

23:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %75

24:                                               ; preds = %2
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %9, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %10, align 4
  br label %100

28:                                               ; preds = %18
  %29 = load i32, ptr %11, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %30)
          to label %32 unwind label %57

32:                                               ; preds = %28
  %33 = load i8, ptr %31, align 1, !tbaa !11
  %34 = sext i8 %33 to i32
  %35 = call i32 @isdigit(i32 noundef %34) #5
  %36 = icmp ne i32 %35, 0
  br i1 %36, label %37, label %70

37:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #4
  %38 = load i32, ptr %5, align 4, !tbaa !9
  %39 = sext i32 %38 to i64
  %40 = load i32, ptr %11, align 4, !tbaa !9
  %41 = load i32, ptr %5, align 4, !tbaa !9
  %42 = sub nsw i32 %40, %41
  %43 = sext i32 %42 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %12, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %39, i64 noundef %43)
          to label %44 unwind label %61

44:                                               ; preds = %37
  %45 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #4
  %46 = load i32, ptr %11, align 4, !tbaa !9
  %47 = sext i32 %46 to i64
  %48 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %47)
          to label %49 unwind label %57

49:                                               ; preds = %44
  %50 = load i8, ptr %48, align 1, !tbaa !11
  %51 = sext i8 %50 to i32
  %52 = sub nsw i32 %51, 48
  %53 = and i32 %52, 1
  %54 = icmp ne i32 %53, 0
  br i1 %54, label %55, label %65

55:                                               ; preds = %49
  invoke void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(80) %8, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %56 unwind label %57

56:                                               ; preds = %55
  br label %67

57:                                               ; preds = %65, %55, %44, %28
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %9, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %10, align 4
  br label %74

61:                                               ; preds = %37
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %9, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #4
  br label %74

65:                                               ; preds = %49
  invoke void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE10push_frontERKS5_(ptr noundef nonnull align 8 dereferenceable(80) %8, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %66 unwind label %57

66:                                               ; preds = %65
  br label %67

67:                                               ; preds = %66, %56
  %68 = load i32, ptr %11, align 4, !tbaa !9
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr %5, align 4, !tbaa !9
  br label %70

70:                                               ; preds = %67, %32
  br label %71

71:                                               ; preds = %70
  %72 = load i32, ptr %11, align 4, !tbaa !9
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %11, align 4, !tbaa !9
  br label %18, !llvm.loop !12

74:                                               ; preds = %61, %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %99

75:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  store ptr %8, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #4
  %76 = load ptr, ptr %13, align 8, !tbaa !5
  call void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr dead_on_unwind writable sret(%"struct.std::_Deque_iterator") align 8 %14, ptr noundef nonnull align 8 dereferenceable(80) %76) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #4
  %77 = load ptr, ptr %13, align 8, !tbaa !5
  call void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr dead_on_unwind writable sret(%"struct.std::_Deque_iterator") align 8 %15, ptr noundef nonnull align 8 dereferenceable(80) %77) #4
  br label %78

78:                                               ; preds = %86, %75
  %79 = call noundef zeroext i1 @_ZStneRKSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_ESA_(ptr noundef nonnull align 8 dereferenceable(32) %14, ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  br i1 %79, label %81, label %80

80:                                               ; preds = %78
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %97

81:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 32, ptr %16) #4
  %82 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_EdeEv(ptr noundef nonnull align 8 dereferenceable(32) %14) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull align 8 dereferenceable(32) %82)
          to label %83 unwind label %88

83:                                               ; preds = %81
  %84 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %16)
          to label %85 unwind label %92

85:                                               ; preds = %83
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #4
  br label %86

86:                                               ; preds = %85
  %87 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_EppEv(ptr noundef nonnull align 8 dereferenceable(32) %14) #4
  br label %78

88:                                               ; preds = %81
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %9, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %10, align 4
  br label %96

92:                                               ; preds = %83
  %93 = landingpad { ptr, i32 }
          cleanup
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %9, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  br label %96

96:                                               ; preds = %92, %88
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %99

97:                                               ; preds = %80
  store i1 true, ptr %7, align 1
  call void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %8) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %8) #4
  %98 = load i1, ptr %7, align 1
  br i1 %98, label %102, label %101

99:                                               ; preds = %96, %74
  call void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %8) #4
  br label %100

100:                                              ; preds = %99, %24
  call void @llvm.lifetime.end.p0(i64 80, ptr %8) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %103

101:                                              ; preds = %97
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %102

102:                                              ; preds = %101, %97
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void

103:                                              ; preds = %100
  %104 = load ptr, ptr %9, align 8
  %105 = load i32, ptr %10, align 4
  %106 = insertvalue { ptr, i32 } poison, ptr %104, 0
  %107 = insertvalue { ptr, i32 } %106, i32 %105, 1
  resume { ptr, i32 } %107
}

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: nounwind willreturn memory(read)
declare i32 @isdigit(i32 noundef) #3

; 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 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE10push_frontERKS5_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_ESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_EdeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_EppEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

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

!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"}


; 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::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6secretNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::deque", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"struct.std::_Deque_iterator", align 8
  %7 = alloca %"struct.std::_Deque_iterator", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %4) #3
  invoke void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %.preheader unwind label %12

.preheader:                                       ; preds = %2
  %9 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %10 = icmp ugt i64 %9, 1
  br i1 %10, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %36, %.preheader
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #3
  call void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr dead_on_unwind nonnull writable sret(%"struct.std::_Deque_iterator") align 8 %6, ptr noundef nonnull align 8 dereferenceable(80) %4) #3
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #3
  call void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr dead_on_unwind nonnull writable sret(%"struct.std::_Deque_iterator") align 8 %7, ptr noundef nonnull align 8 dereferenceable(80) %4) #3
  %11 = call noundef zeroext i1 @_ZStneRKSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_ESA_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  br i1 %11, label %.lr.ph28, label %._crit_edge29

12:                                               ; preds = %2
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %51

.lr.ph:                                           ; preds = %.preheader, %36
  %indvars.iv = phi i64 [ %indvars.iv.next.pre-phi, %36 ], [ 1, %.preheader ]
  %.026 = phi i32 [ %.1, %36 ], [ 0, %.preheader ]
  %14 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %15 = load i8, ptr %14, align 1, !tbaa !5
  %16 = sext i8 %15 to i32
  %isdigittmp = add nsw i32 %16, -48
  %isdigit = icmp ult i32 %isdigittmp, 10
  br i1 %isdigit, label %17, label %.lr.ph._crit_edge

.lr.ph._crit_edge:                                ; preds = %.lr.ph
  %.pre = add nuw nsw i64 %indvars.iv, 1
  br label %36

17:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  %18 = sext i32 %.026 to i64
  %19 = trunc nuw nsw i64 %indvars.iv to i32
  %20 = sub nsw i32 %19, %.026
  %21 = sext i32 %20 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %18, i64 noundef %21)
          to label %22 unwind label %30

22:                                               ; preds = %17
  %23 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  %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 = and i8 %25, 1
  %.not = icmp eq i8 %26, 0
  br i1 %.not, label %32, label %27

27:                                               ; preds = %22
  invoke void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %33 unwind label %28

28:                                               ; preds = %32, %27
  %29 = landingpad { ptr, i32 }
          cleanup
  br label %50

30:                                               ; preds = %17
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  br label %50

32:                                               ; preds = %22
  invoke void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE10push_frontERKS5_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %33 unwind label %28

33:                                               ; preds = %32, %27
  %34 = add nuw nsw i64 %indvars.iv, 1
  %35 = trunc nuw i64 %34 to i32
  br label %36

36:                                               ; preds = %.lr.ph._crit_edge, %33
  %indvars.iv.next.pre-phi = phi i64 [ %.pre, %.lr.ph._crit_edge ], [ %34, %33 ]
  %.1 = phi i32 [ %.026, %.lr.ph._crit_edge ], [ %35, %33 ]
  %37 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %38 = icmp ugt i64 %37, %indvars.iv.next.pre-phi
  br i1 %38, label %.lr.ph, label %._crit_edge, !llvm.loop !8

._crit_edge29:                                    ; preds = %42, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #3
  call void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #3
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  ret void

.lr.ph28:                                         ; preds = %._crit_edge, %42
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #3
  %39 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_EdeEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %39)
          to label %40 unwind label %45

40:                                               ; preds = %.lr.ph28
  %41 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %42 unwind label %47

42:                                               ; preds = %40
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #3
  %43 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_EppEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #3
  %44 = call noundef zeroext i1 @_ZStneRKSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_ESA_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  br i1 %44, label %.lr.ph28, label %._crit_edge29

45:                                               ; preds = %.lr.ph28
  %46 = landingpad { ptr, i32 }
          cleanup
  br label %49

47:                                               ; preds = %40
  %48 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  br label %49

49:                                               ; preds = %47, %45
  %.pn = phi { ptr, i32 } [ %48, %47 ], [ %46, %45 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #3
  br label %50

50:                                               ; preds = %28, %30, %49
  %.pn21.pn = phi { ptr, i32 } [ %.pn, %49 ], [ %29, %28 ], [ %31, %30 ]
  call void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #3
  br label %51

51:                                               ; preds = %50, %12
  %.pn21.pn.pn = phi { ptr, i32 } [ %.pn21.pn, %50 ], [ %13, %12 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  resume { ptr, i32 } %.pn21.pn.pn
}

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_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) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE10push_frontERKS5_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_ESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_EdeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt15_Deque_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERS5_PS5_EppEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

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

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

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


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