; LLVM IR from bqi343/cp-notebook :: Contests/USACO Training/Ch 6/6.3 cryptcow/Z2okNSt7/cxx1112basic_stringIcSt11c_faa64e3b/Z2okNSt7 (c)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

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

@_Z4fin1B5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@_Z2g1B5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@nex1 = external dso_local global i8, align 1
@.str.6 = external hidden unnamed_addr constant [1 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 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: 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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(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) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9KMPSearchNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z2okNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_c(ptr noundef %0, ptr noundef %1, i8 noundef signext %2) #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i8, align 1
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  %18 = alloca %"class.std::allocator", align 1
  %19 = alloca %"class.std::__cxx11::basic_string", align 8
  %20 = alloca %"class.std::allocator", align 1
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i8 %2, ptr %7, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %21 unwind label %29

21:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  store i32 0, ptr %12, align 4, !tbaa !10
  br label %22

22:                                               ; preds = %169, %21
  %23 = load i32, ptr %12, align 4, !tbaa !10
  %24 = sext i32 %23 to i64
  %25 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %26 = add i64 %25, 1
  %27 = icmp ult i64 %24, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %22
  store i32 2, ptr %13, align 4
  br label %172

29:                                               ; preds = %3
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %10, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  br label %188

33:                                               ; preds = %22
  %34 = load i32, ptr %12, align 4, !tbaa !10
  %35 = sext i32 %34 to i64
  %36 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %37 = icmp eq i64 %35, %36
  br i1 %37, label %62, label %38

38:                                               ; preds = %33
  %39 = load i32, ptr %12, align 4, !tbaa !10
  %40 = sext i32 %39 to i64
  %41 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %40)
          to label %42 unwind label %68

42:                                               ; preds = %38
  %43 = load i8, ptr %41, align 1, !tbaa !9
  %44 = sext i8 %43 to i32
  %45 = icmp eq i32 %44, 79
  br i1 %45, label %62, label %46

46:                                               ; preds = %42
  %47 = load i32, ptr %12, align 4, !tbaa !10
  %48 = sext i32 %47 to i64
  %49 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %48)
          to label %50 unwind label %68

50:                                               ; preds = %46
  %51 = load i8, ptr %49, align 1, !tbaa !9
  %52 = sext i8 %51 to i32
  %53 = icmp eq i32 %52, 67
  br i1 %53, label %62, label %54

54:                                               ; preds = %50
  %55 = load i32, ptr %12, align 4, !tbaa !10
  %56 = sext i32 %55 to i64
  %57 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %56)
          to label %58 unwind label %68

58:                                               ; preds = %54
  %59 = load i8, ptr %57, align 1, !tbaa !9
  %60 = sext i8 %59 to i32
  %61 = icmp eq i32 %60, 87
  br i1 %61, label %62, label %160

62:                                               ; preds = %58, %50, %42, %33
  %63 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  %64 = icmp ule i64 %63, 1
  br i1 %64, label %65, label %72

65:                                               ; preds = %62
  %66 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef @.str.6)
          to label %67 unwind label %68

67:                                               ; preds = %65
  br label %169

68:                                               ; preds = %164, %160, %65, %54, %46, %38
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %10, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %11, align 4
  br label %174

72:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %73 unwind label %112

73:                                               ; preds = %72
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %74 unwind label %116

74:                                               ; preds = %73
  invoke void @_Z9KMPSearchNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %14, ptr noundef %15, ptr noundef %16)
          to label %75 unwind label %120

75:                                               ; preds = %74
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #3
  %76 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #3
  %77 = icmp eq i64 %76, 1
  br i1 %77, label %78, label %147

78:                                               ; preds = %75
  %79 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  %80 = load i32, ptr %12, align 4, !tbaa !10
  %81 = sext i32 %80 to i64
  %82 = sub i64 %81, %79
  %83 = trunc i64 %82 to i32
  store i32 %83, ptr %12, align 4, !tbaa !10
  %84 = load i32, ptr %12, align 4, !tbaa !10
  %85 = sext i32 %84 to i64
  %86 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  %87 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEmm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %85, i64 noundef %86)
          to label %88 unwind label %125

88:                                               ; preds = %78
  %89 = load i32, ptr %12, align 4, !tbaa !10
  %90 = sext i32 %89 to i64
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #3
  %91 = load i8, ptr %7, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %17, i64 noundef 1, i8 noundef signext %91, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %92 unwind label %129

92:                                               ; preds = %88
  %93 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmRKS4_(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %90, ptr noundef nonnull align 8 dereferenceable(32) %17)
          to label %94 unwind label %133

94:                                               ; preds = %92
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #3
  %95 = load i32, ptr %12, align 4, !tbaa !10
  %96 = add nsw i32 %95, 1
  store i32 %96, ptr %12, align 4, !tbaa !10
  %97 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef 0) #3
  %98 = load i32, ptr %97, align 4, !tbaa !10
  %99 = sext i32 %98 to i64
  %100 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  %101 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEmm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %99, i64 noundef %100)
          to label %102 unwind label %125

102:                                              ; preds = %94
  %103 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef 0) #3
  %104 = load i32, ptr %103, align 4, !tbaa !10
  %105 = sext i32 %104 to i64
  call void @llvm.lifetime.start.p0(i64 32, ptr %19) #3
  %106 = load i8, ptr %7, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %20) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %19, i64 noundef 1, i8 noundef signext %106, ptr noundef nonnull align 1 dereferenceable(1) %20)
          to label %107 unwind label %138

107:                                              ; preds = %102
  %108 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmRKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %105, ptr noundef nonnull align 8 dereferenceable(32) %19)
          to label %109 unwind label %142

109:                                              ; preds = %107
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #3
  %110 = load i8, ptr %7, align 1, !tbaa !9
  %111 = add i8 %110, 1
  store i8 %111, ptr %7, align 1, !tbaa !9
  br label %152

112:                                              ; preds = %72
  %113 = landingpad { ptr, i32 }
          cleanup
  %114 = extractvalue { ptr, i32 } %113, 0
  store ptr %114, ptr %10, align 8
  %115 = extractvalue { ptr, i32 } %113, 1
  store i32 %115, ptr %11, align 4
  br label %159

116:                                              ; preds = %73
  %117 = landingpad { ptr, i32 }
          cleanup
  %118 = extractvalue { ptr, i32 } %117, 0
  store ptr %118, ptr %10, align 8
  %119 = extractvalue { ptr, i32 } %117, 1
  store i32 %119, ptr %11, align 4
  br label %124

120:                                              ; preds = %74
  %121 = landingpad { ptr, i32 }
          cleanup
  %122 = extractvalue { ptr, i32 } %121, 0
  store ptr %122, ptr %10, align 8
  %123 = extractvalue { ptr, i32 } %121, 1
  store i32 %123, ptr %11, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #3
  br label %124

124:                                              ; preds = %120, %116
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #3
  br label %159

125:                                              ; preds = %152, %94, %78
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %10, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %11, align 4
  br label %158

129:                                              ; preds = %88
  %130 = landingpad { ptr, i32 }
          cleanup
  %131 = extractvalue { ptr, i32 } %130, 0
  store ptr %131, ptr %10, align 8
  %132 = extractvalue { ptr, i32 } %130, 1
  store i32 %132, ptr %11, align 4
  br label %137

133:                                              ; preds = %92
  %134 = landingpad { ptr, i32 }
          cleanup
  %135 = extractvalue { ptr, i32 } %134, 0
  store ptr %135, ptr %10, align 8
  %136 = extractvalue { ptr, i32 } %134, 1
  store i32 %136, ptr %11, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #3
  br label %137

137:                                              ; preds = %133, %129
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #3
  br label %158

138:                                              ; preds = %102
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %10, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %11, align 4
  br label %146

142:                                              ; preds = %107
  %143 = landingpad { ptr, i32 }
          cleanup
  %144 = extractvalue { ptr, i32 } %143, 0
  store ptr %144, ptr %10, align 8
  %145 = extractvalue { ptr, i32 } %143, 1
  store i32 %145, ptr %11, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #3
  br label %146

146:                                              ; preds = %142, %138
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #3
  br label %158

147:                                              ; preds = %75
  %148 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #3
  %149 = icmp eq i64 %148, 0
  br i1 %149, label %150, label %151

150:                                              ; preds = %147
  store i1 false, ptr %4, align 1
  store i32 1, ptr %13, align 4
  br label %155

151:                                              ; preds = %147
  br label %152

152:                                              ; preds = %151, %109
  %153 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef @.str.6)
          to label %154 unwind label %125

154:                                              ; preds = %152
  store i32 0, ptr %13, align 4
  br label %155

155:                                              ; preds = %154, %150
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #3
  %156 = load i32, ptr %13, align 4
  switch i32 %156, label %172 [
    i32 0, label %157
  ]

157:                                              ; preds = %155
  br label %168

158:                                              ; preds = %146, %137, %125
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #3
  br label %159

159:                                              ; preds = %158, %124, %112
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #3
  br label %174

160:                                              ; preds = %58
  %161 = load i32, ptr %12, align 4, !tbaa !10
  %162 = sext i32 %161 to i64
  %163 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %162)
          to label %164 unwind label %68

164:                                              ; preds = %160
  %165 = load i8, ptr %163, align 1, !tbaa !9
  %166 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %8, i8 noundef signext %165)
          to label %167 unwind label %68

167:                                              ; preds = %164
  br label %168

168:                                              ; preds = %167, %157
  br label %169

169:                                              ; preds = %168, %67
  %170 = load i32, ptr %12, align 4, !tbaa !10
  %171 = add nsw i32 %170, 1
  store i32 %171, ptr %12, align 4, !tbaa !10
  br label %22, !llvm.loop !12

172:                                              ; preds = %155, %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  %173 = load i32, ptr %13, align 4
  switch i32 %173, label %185 [
    i32 2, label %175
  ]

174:                                              ; preds = %159, %68
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %187

175:                                              ; preds = %172
  %176 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) @_Z4fin1B5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %177 unwind label %181

177:                                              ; preds = %175
  %178 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) @_Z2g1B5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %179 unwind label %181

179:                                              ; preds = %177
  %180 = load i8, ptr %7, align 1, !tbaa !9
  store i8 %180, ptr @nex1, align 1, !tbaa !9
  store i1 true, ptr %4, align 1
  store i32 1, ptr %13, align 4
  br label %185

181:                                              ; preds = %177, %175
  %182 = landingpad { ptr, i32 }
          cleanup
  %183 = extractvalue { ptr, i32 } %182, 0
  store ptr %183, ptr %10, align 8
  %184 = extractvalue { ptr, i32 } %182, 1
  store i32 %184, ptr %11, align 4
  br label %187

185:                                              ; preds = %179, %172
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #3
  %186 = load i1, ptr %4, align 1
  ret i1 %186

187:                                              ; preds = %181, %174
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  br label %188

188:                                              ; preds = %187, %29
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #3
  br label %189

189:                                              ; preds = %188
  %190 = load ptr, ptr %10, align 8
  %191 = load i32, ptr %11, align 4
  %192 = insertvalue { ptr, i32 } poison, ptr %190, 0
  %193 = insertvalue { ptr, i32 } %192, i32 %191, 1
  resume { ptr, i32 } %193
}

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEmm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmRKS4_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; 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: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; 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 = { 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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@_Z4fin1B5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@_Z2g1B5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@nex1 = external dso_local local_unnamed_addr global i8, align 1
@.str.6 = external hidden unnamed_addr constant [1 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 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 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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(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 dso_local void @_Z9KMPSearchNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z2okNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_c(ptr noundef %0, ptr noundef %1, i8 noundef signext %2) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %13 unwind label %15

13:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  %14 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %.not84 = icmp eq i64 %14, -1
  br i1 %.not84, label %._crit_edge, label %.lr.ph

15:                                               ; preds = %3
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  br label %114

.lr.ph:                                           ; preds = %13, %100
  %17 = phi i64 [ %102, %100 ], [ 0, %13 ]
  %.02086 = phi i32 [ %101, %100 ], [ 0, %13 ]
  %.03485 = phi i8 [ %.337, %100 ], [ %2, %13 ]
  %18 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %19 = icmp eq i64 %18, %17
  br i1 %19, label %32, label %20

20:                                               ; preds = %.lr.ph
  %21 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %17)
  %22 = load i8, ptr %21, align 1, !tbaa !5
  %23 = icmp eq i8 %22, 79
  br i1 %23, label %32, label %24

24:                                               ; preds = %20
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %17)
  %26 = load i8, ptr %25, align 1, !tbaa !5
  %27 = icmp eq i8 %26, 67
  br i1 %27, label %32, label %28

28:                                               ; preds = %24
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %17)
  %30 = load i8, ptr %29, align 1, !tbaa !5
  %31 = icmp eq i8 %30, 87
  br i1 %31, label %32, label %96

32:                                               ; preds = %28, %24, %20, %.lr.ph
  %33 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  %34 = icmp ult i64 %33, 2
  br i1 %34, label %35, label %39

35:                                               ; preds = %32
  %36 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str.6)
          to label %100 unwind label %37

37:                                               ; preds = %96, %35
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %113

39:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %40 unwind label %70

40:                                               ; preds = %39
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %41 unwind label %72

41:                                               ; preds = %40
  invoke void @_Z9KMPSearchNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %6, ptr noundef nonnull %7, ptr noundef nonnull %8)
          to label %42 unwind label %74

42:                                               ; preds = %41
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  %43 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  %44 = icmp eq i64 %43, 1
  br i1 %44, label %45, label %89

45:                                               ; preds = %42
  %46 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  %47 = trunc i64 %46 to i32
  %48 = sub i32 %.02086, %47
  %49 = sext i32 %48 to i64
  %50 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  %51 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEmm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %49, i64 noundef %50)
          to label %52 unwind label %77

52:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef 1, i8 noundef signext %.03485, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %53 unwind label %79

53:                                               ; preds = %52
  %54 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmRKS4_(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %49, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %55 unwind label %81

55:                                               ; preds = %53
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #3
  %56 = add nsw i32 %48, 1
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 0) #3
  %58 = load i32, ptr %57, align 4, !tbaa !8
  %59 = sext i32 %58 to i64
  %60 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  %61 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEmm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %59, i64 noundef %60)
          to label %62 unwind label %77

62:                                               ; preds = %55
  %63 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 0) #3
  %64 = load i32, ptr %63, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %11) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %12) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %11, i64 noundef 1, i8 noundef signext %.03485, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %65 unwind label %84

65:                                               ; preds = %62
  %66 = sext i32 %64 to i64
  %67 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmRKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %66, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %68 unwind label %86

68:                                               ; preds = %65
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #3
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %11) #3
  %69 = add i8 %.03485, 1
  br label %92

70:                                               ; preds = %39
  %71 = landingpad { ptr, i32 }
          cleanup
  br label %95

72:                                               ; preds = %40
  %73 = landingpad { ptr, i32 }
          cleanup
  br label %76

74:                                               ; preds = %41
  %75 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  br label %76

76:                                               ; preds = %74, %72
  %.pn = phi { ptr, i32 } [ %75, %74 ], [ %73, %72 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  br label %95

77:                                               ; preds = %92, %55, %45
  %78 = landingpad { ptr, i32 }
          cleanup
  br label %94

79:                                               ; preds = %52
  %80 = landingpad { ptr, i32 }
          cleanup
  br label %83

81:                                               ; preds = %53
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #3
  br label %83

83:                                               ; preds = %81, %79
  %.pn46 = phi { ptr, i32 } [ %82, %81 ], [ %80, %79 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #3
  br label %94

84:                                               ; preds = %62
  %85 = landingpad { ptr, i32 }
          cleanup
  br label %88

86:                                               ; preds = %65
  %87 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #3
  br label %88

88:                                               ; preds = %86, %84
  %.pn48 = phi { ptr, i32 } [ %87, %86 ], [ %85, %84 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %11) #3
  br label %94

89:                                               ; preds = %42
  %90 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  %91 = icmp eq i64 %90, 0
  br i1 %91, label %105, label %92

92:                                               ; preds = %89, %68
  %.135 = phi i8 [ %69, %68 ], [ %.03485, %89 ]
  %.121 = phi i32 [ %56, %68 ], [ %.02086, %89 ]
  %93 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str.6)
          to label %.thread unwind label %77

.thread:                                          ; preds = %92
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #3
  br label %100

94:                                               ; preds = %88, %83, %77
  %.pn50 = phi { ptr, i32 } [ %78, %77 ], [ %.pn48, %88 ], [ %.pn46, %83 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  br label %95

95:                                               ; preds = %94, %76, %70
  %.pn50.pn = phi { ptr, i32 } [ %.pn50, %94 ], [ %.pn, %76 ], [ %71, %70 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #3
  br label %113

96:                                               ; preds = %28
  %97 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %17)
  %98 = load i8, ptr %97, align 1, !tbaa !5
  %99 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %4, i8 noundef signext %98)
          to label %100 unwind label %37

100:                                              ; preds = %.thread, %96, %35
  %.337 = phi i8 [ %.03485, %35 ], [ %.03485, %96 ], [ %.135, %.thread ]
  %.3 = phi i32 [ %.02086, %35 ], [ %.02086, %96 ], [ %.121, %.thread ]
  %101 = add nsw i32 %.3, 1
  %102 = sext i32 %101 to i64
  %103 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  %104 = add i64 %103, 1
  %.not.not = icmp ugt i64 %104, %102
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !10

105:                                              ; preds = %89
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #3
  br label %112

._crit_edge:                                      ; preds = %100, %13
  %.034.lcssa = phi i8 [ %2, %13 ], [ %.337, %100 ]
  %106 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) @_Z4fin1B5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %0)
          to label %107 unwind label %110

107:                                              ; preds = %._crit_edge
  %108 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) @_Z2g1B5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %109 unwind label %110

109:                                              ; preds = %107
  store i8 %.034.lcssa, ptr @nex1, align 1, !tbaa !5
  br label %112

110:                                              ; preds = %107, %._crit_edge
  %111 = landingpad { ptr, i32 }
          cleanup
  br label %113

112:                                              ; preds = %105, %109
  %.not73 = phi i1 [ false, %105 ], [ true, %109 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #3
  ret i1 %.not73

113:                                              ; preds = %37, %95, %110
  %.pn53.pn = phi { ptr, i32 } [ %111, %110 ], [ %38, %37 ], [ %.pn50.pn, %95 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #3
  br label %114

114:                                              ; preds = %113, %15
  %.pn53.pn.pn = phi { ptr, i32 } [ %.pn53.pn, %113 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #3
  resume { ptr, i32 } %.pn53.pn.pn
}

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5eraseEmm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6insertEmRKS4_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(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 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 = { nounwind }

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

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


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