; LLVM IR from sumitsojha88/Placement-Preparation :: Geeks For Geeks Solutions/Stack (Infix to Postfix)

; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z4precc(i8 noundef signext) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::stack", align 8
  %7 = alloca i8, align 1
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca i32, align 4
  %10 = alloca i8, align 1
  %11 = alloca i8, align 1
  %12 = alloca i8, align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  br label %14

14:                                               ; preds = %216, %0
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = add nsw i32 %15, -1
  store i32 %16, ptr %2, align 4, !tbaa !5
  %17 = icmp ne i32 %15, 0
  br i1 %17, label %18, label %221

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %19 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %20 unwind label %29

20:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 80, ptr %6) #7
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %21 unwind label %33

21:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #7
  store i8 78, ptr %7, align 1, !tbaa !9
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushEOc(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %22 unwind label %37

22:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %185, %22
  %24 = load i32, ptr %9, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %27 = icmp ult i64 %25, %26
  br i1 %27, label %41, label %28

28:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %189

29:                                               ; preds = %18
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %4, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %5, align 4
  br label %220

33:                                               ; preds = %20
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %4, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %5, align 4
  br label %219

37:                                               ; preds = %21
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %4, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #7
  br label %218

41:                                               ; preds = %23
  %42 = load i32, ptr %9, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %43)
          to label %45 unwind label %81

45:                                               ; preds = %41
  %46 = load i8, ptr %44, align 1, !tbaa !9
  %47 = sext i8 %46 to i32
  %48 = icmp sge i32 %47, 97
  br i1 %48, label %49, label %57

49:                                               ; preds = %45
  %50 = load i32, ptr %9, align 4, !tbaa !5
  %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) %3, i64 noundef %51)
          to label %53 unwind label %81

53:                                               ; preds = %49
  %54 = load i8, ptr %52, align 1, !tbaa !9
  %55 = sext i8 %54 to i32
  %56 = icmp sle i32 %55, 122
  br i1 %56, label %73, label %57

57:                                               ; preds = %53, %45
  %58 = load i32, ptr %9, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %59)
          to label %61 unwind label %81

61:                                               ; preds = %57
  %62 = load i8, ptr %60, align 1, !tbaa !9
  %63 = sext i8 %62 to i32
  %64 = icmp sge i32 %63, 65
  br i1 %64, label %65, label %85

65:                                               ; preds = %61
  %66 = load i32, ptr %9, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %67)
          to label %69 unwind label %81

69:                                               ; preds = %65
  %70 = load i8, ptr %68, align 1, !tbaa !9
  %71 = sext i8 %70 to i32
  %72 = icmp sle i32 %71, 90
  br i1 %72, label %73, label %85

73:                                               ; preds = %69, %53
  %74 = load i32, ptr %9, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %75)
          to label %77 unwind label %81

77:                                               ; preds = %73
  %78 = load i8, ptr %76, align 1, !tbaa !9
  %79 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %8, i8 noundef signext %78)
          to label %80 unwind label %81

80:                                               ; preds = %77
  br label %184

81:                                               ; preds = %180, %176, %154, %150, %144, %140, %134, %114, %108, %99, %97, %93, %85, %77, %73, %65, %57, %49, %41
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %4, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %5, align 4
  br label %188

85:                                               ; preds = %69, %61
  %86 = load i32, ptr %9, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %87)
          to label %89 unwind label %81

89:                                               ; preds = %85
  %90 = load i8, ptr %88, align 1, !tbaa !9
  %91 = sext i8 %90 to i32
  %92 = icmp eq i32 %91, 40
  br i1 %92, label %93, label %99

93:                                               ; preds = %89
  %94 = load i32, ptr %9, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %95)
          to label %97 unwind label %81

97:                                               ; preds = %93
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 1 dereferenceable(1) %96)
          to label %98 unwind label %81

98:                                               ; preds = %97
  br label %183

99:                                               ; preds = %89
  %100 = load i32, ptr %9, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %101)
          to label %103 unwind label %81

103:                                              ; preds = %99
  %104 = load i8, ptr %102, align 1, !tbaa !9
  %105 = sext i8 %104 to i32
  %106 = icmp eq i32 %105, 41
  br i1 %106, label %107, label %143

107:                                              ; preds = %103
  br label %108

108:                                              ; preds = %129, %107
  %109 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %110 unwind label %81

110:                                              ; preds = %108
  %111 = load i8, ptr %109, align 1, !tbaa !9
  %112 = sext i8 %111 to i32
  %113 = icmp ne i32 %112, 78
  br i1 %113, label %114, label %120

114:                                              ; preds = %110
  %115 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %116 unwind label %81

116:                                              ; preds = %114
  %117 = load i8, ptr %115, align 1, !tbaa !9
  %118 = sext i8 %117 to i32
  %119 = icmp ne i32 %118, 40
  br label %120

120:                                              ; preds = %116, %110
  %121 = phi i1 [ false, %110 ], [ %119, %116 ]
  br i1 %121, label %122, label %134

122:                                              ; preds = %120
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #7
  %123 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %124 unwind label %130

124:                                              ; preds = %122
  %125 = load i8, ptr %123, align 1, !tbaa !9
  store i8 %125, ptr %10, align 1, !tbaa !9
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %126 unwind label %130

126:                                              ; preds = %124
  %127 = load i8, ptr %10, align 1, !tbaa !9
  %128 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %8, i8 noundef signext %127)
          to label %129 unwind label %130

129:                                              ; preds = %126
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  br label %108, !llvm.loop !10

130:                                              ; preds = %126, %124, %122
  %131 = landingpad { ptr, i32 }
          cleanup
  %132 = extractvalue { ptr, i32 } %131, 0
  store ptr %132, ptr %4, align 8
  %133 = extractvalue { ptr, i32 } %131, 1
  store i32 %133, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  br label %188

134:                                              ; preds = %120
  %135 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %136 unwind label %81

136:                                              ; preds = %134
  %137 = load i8, ptr %135, align 1, !tbaa !9
  %138 = sext i8 %137 to i32
  %139 = icmp eq i32 %138, 40
  br i1 %139, label %140, label %142

140:                                              ; preds = %136
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %141 unwind label %81

141:                                              ; preds = %140
  br label %142

142:                                              ; preds = %141, %136
  br label %182

143:                                              ; preds = %103
  br label %144

144:                                              ; preds = %171, %143
  %145 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %146 unwind label %81

146:                                              ; preds = %144
  %147 = load i8, ptr %145, align 1, !tbaa !9
  %148 = sext i8 %147 to i32
  %149 = icmp ne i32 %148, 78
  br i1 %149, label %150, label %162

150:                                              ; preds = %146
  %151 = load i32, ptr %9, align 4, !tbaa !5
  %152 = sext i32 %151 to i64
  %153 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %152)
          to label %154 unwind label %81

154:                                              ; preds = %150
  %155 = load i8, ptr %153, align 1, !tbaa !9
  %156 = call noundef i32 @_Z4precc(i8 noundef signext %155)
  %157 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %158 unwind label %81

158:                                              ; preds = %154
  %159 = load i8, ptr %157, align 1, !tbaa !9
  %160 = call noundef i32 @_Z4precc(i8 noundef signext %159)
  %161 = icmp sle i32 %156, %160
  br label %162

162:                                              ; preds = %158, %146
  %163 = phi i1 [ false, %146 ], [ %161, %158 ]
  br i1 %163, label %164, label %176

164:                                              ; preds = %162
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #7
  %165 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %166 unwind label %172

166:                                              ; preds = %164
  %167 = load i8, ptr %165, align 1, !tbaa !9
  store i8 %167, ptr %11, align 1, !tbaa !9
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %168 unwind label %172

168:                                              ; preds = %166
  %169 = load i8, ptr %11, align 1, !tbaa !9
  %170 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %8, i8 noundef signext %169)
          to label %171 unwind label %172

171:                                              ; preds = %168
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #7
  br label %144, !llvm.loop !12

172:                                              ; preds = %168, %166, %164
  %173 = landingpad { ptr, i32 }
          cleanup
  %174 = extractvalue { ptr, i32 } %173, 0
  store ptr %174, ptr %4, align 8
  %175 = extractvalue { ptr, i32 } %173, 1
  store i32 %175, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #7
  br label %188

176:                                              ; preds = %162
  %177 = load i32, ptr %9, align 4, !tbaa !5
  %178 = sext i32 %177 to i64
  %179 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %178)
          to label %180 unwind label %81

180:                                              ; preds = %176
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 1 dereferenceable(1) %179)
          to label %181 unwind label %81

181:                                              ; preds = %180
  br label %182

182:                                              ; preds = %181, %142
  br label %183

183:                                              ; preds = %182, %98
  br label %184

184:                                              ; preds = %183, %80
  br label %185

185:                                              ; preds = %184
  %186 = load i32, ptr %9, align 4, !tbaa !5
  %187 = add nsw i32 %186, 1
  store i32 %187, ptr %9, align 4, !tbaa !5
  br label %23, !llvm.loop !13

188:                                              ; preds = %172, %130, %81
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %217

189:                                              ; preds = %28
  br label %190

190:                                              ; preds = %203, %189
  %191 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %192 unwind label %204

192:                                              ; preds = %190
  %193 = load i8, ptr %191, align 1, !tbaa !9
  %194 = sext i8 %193 to i32
  %195 = icmp ne i32 %194, 78
  br i1 %195, label %196, label %212

196:                                              ; preds = %192
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #7
  %197 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %198 unwind label %208

198:                                              ; preds = %196
  %199 = load i8, ptr %197, align 1, !tbaa !9
  store i8 %199, ptr %12, align 1, !tbaa !9
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
          to label %200 unwind label %208

200:                                              ; preds = %198
  %201 = load i8, ptr %12, align 1, !tbaa !9
  %202 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %8, i8 noundef signext %201)
          to label %203 unwind label %208

203:                                              ; preds = %200
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #7
  br label %190, !llvm.loop !14

204:                                              ; preds = %214, %212, %190
  %205 = landingpad { ptr, i32 }
          cleanup
  %206 = extractvalue { ptr, i32 } %205, 0
  store ptr %206, ptr %4, align 8
  %207 = extractvalue { ptr, i32 } %205, 1
  store i32 %207, ptr %5, align 4
  br label %217

208:                                              ; preds = %200, %198, %196
  %209 = landingpad { ptr, i32 }
          cleanup
  %210 = extractvalue { ptr, i32 } %209, 0
  store ptr %210, ptr %4, align 8
  %211 = extractvalue { ptr, i32 } %209, 1
  store i32 %211, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #7
  br label %217

212:                                              ; preds = %192
  %213 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %214 unwind label %204

214:                                              ; preds = %212
  %215 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %213, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %216 unwind label %204

216:                                              ; preds = %214
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #7
  br label %14, !llvm.loop !15

217:                                              ; preds = %208, %204, %188
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  br label %218

218:                                              ; preds = %217, %37
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #7
  br label %219

219:                                              ; preds = %218, %33
  call void @llvm.lifetime.end.p0(i64 80, ptr %6) #7
  br label %220

220:                                              ; preds = %219, %29
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %222

221:                                              ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  ret i32 0

222:                                              ; preds = %220
  %223 = load ptr, ptr %4, align 8
  %224 = load i32, ptr %5, align 4
  %225 = insertvalue { ptr, i32 } poison, ptr %223, 0
  %226 = insertvalue { ptr, i32 } %225, i32 %224, 1
  resume { ptr, i32 } %226
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushEOc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 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) #0 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) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #5

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress norecurse 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #5 = { inlinehint 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 #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !11}
!15 = distinct !{!15, !11}


; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z4precc(i8 noundef signext) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::stack", align 8
  %4 = alloca i8, align 1
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = add nsw i32 %7, -1
  store i32 %8, ptr %1, align 4, !tbaa !5
  %.not38 = icmp eq i32 %7, 0
  br i1 %.not38, label %._crit_edge, label %.lr.ph39

.lr.ph39:                                         ; preds = %0, %98
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %9 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %10 unwind label %14

10:                                               ; preds = %.lr.ph39
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #7
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %11 unwind label %16

11:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  store i8 78, ptr %4, align 1, !tbaa !9
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushEOc(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %12 unwind label %18

12:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  %13 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %.not40 = icmp eq i64 %13, 0
  br i1 %.not40, label %.preheader36.preheader, label %.lr.ph

14:                                               ; preds = %.lr.ph39
  %15 = landingpad { ptr, i32 }
          cleanup
  br label %104

16:                                               ; preds = %10
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %103

18:                                               ; preds = %11
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  br label %102

.lr.ph:                                           ; preds = %12, %81
  %indvars.iv = phi i64 [ %indvars.iv.next, %81 ], [ 0, %12 ]
  %20 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %21 = load i8, ptr %20, align 1, !tbaa !9
  %22 = icmp sgt i8 %21, 96
  br i1 %22, label %23, label %27

23:                                               ; preds = %.lr.ph
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %25 = load i8, ptr %24, align 1, !tbaa !9
  %26 = icmp slt i8 %25, 123
  br i1 %26, label %35, label %27

27:                                               ; preds = %23, %.lr.ph
  %28 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %29 = load i8, ptr %28, align 1, !tbaa !9
  %30 = icmp sgt i8 %29, 64
  br i1 %30, label %31, label %41

31:                                               ; preds = %27
  %32 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %33 = load i8, ptr %32, align 1, !tbaa !9
  %34 = icmp slt i8 %33, 91
  br i1 %34, label %35, label %41

35:                                               ; preds = %31, %23
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %37 = load i8, ptr %36, align 1, !tbaa !9
  %38 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %5, i8 noundef signext %37)
          to label %81 unwind label %39

39:                                               ; preds = %.critedge2.invoke, %35
  %40 = landingpad { ptr, i32 }
          cleanup
  br label %101

41:                                               ; preds = %31, %27
  %42 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %43 = load i8, ptr %42, align 1, !tbaa !9
  %44 = icmp eq i8 %43, 40
  %45 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  br i1 %44, label %.critedge2.invoke, label %46

46:                                               ; preds = %41
  %47 = load i8, ptr %45, align 1, !tbaa !9
  %48 = icmp eq i8 %47, 41
  br i1 %48, label %.preheader, label %.preheader35

.preheader:                                       ; preds = %46, %54
  %49 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %50 = load i8, ptr %49, align 1, !tbaa !9
  %.not28 = icmp eq i8 %50, 78
  br i1 %.not28, label %.critedge, label %51

51:                                               ; preds = %.preheader
  %52 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %53 = load i8, ptr %52, align 1, !tbaa !9
  %.not29 = icmp eq i8 %53, 40
  br i1 %.not29, label %.critedge, label %54

54:                                               ; preds = %51
  %55 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %56 = load i8, ptr %55, align 1, !tbaa !9
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %57 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %5, i8 noundef signext %56)
          to label %.preheader unwind label %58, !llvm.loop !10

58:                                               ; preds = %54
  %59 = landingpad { ptr, i32 }
          cleanup
  br label %101

.critedge:                                        ; preds = %.preheader, %51
  %60 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %61 = load i8, ptr %60, align 1, !tbaa !9
  %62 = icmp eq i8 %61, 40
  br i1 %62, label %63, label %81

63:                                               ; preds = %.critedge
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br label %81

.preheader35:                                     ; preds = %46, %73
  %64 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %65 = load i8, ptr %64, align 1, !tbaa !9
  %.not26 = icmp eq i8 %65, 78
  br i1 %.not26, label %.critedge2, label %66

66:                                               ; preds = %.preheader35
  %67 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %68 = load i8, ptr %67, align 1, !tbaa !9
  %69 = call noundef i32 @_Z4precc(i8 noundef signext %68)
  %70 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %71 = load i8, ptr %70, align 1, !tbaa !9
  %72 = call noundef i32 @_Z4precc(i8 noundef signext %71)
  %.not27 = icmp sgt i32 %69, %72
  br i1 %.not27, label %.critedge2, label %73

73:                                               ; preds = %66
  %74 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %75 = load i8, ptr %74, align 1, !tbaa !9
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %76 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %5, i8 noundef signext %75)
          to label %.preheader35 unwind label %77, !llvm.loop !12

77:                                               ; preds = %73
  %78 = landingpad { ptr, i32 }
          cleanup
  br label %101

.critedge2:                                       ; preds = %.preheader35, %66
  %79 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  br label %.critedge2.invoke

.critedge2.invoke:                                ; preds = %41, %.critedge2
  %80 = phi ptr [ %79, %.critedge2 ], [ %45, %41 ]
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 1 dereferenceable(1) %80)
          to label %81 unwind label %39

81:                                               ; preds = %.critedge2.invoke, %35, %63, %.critedge
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %82 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %83 = icmp ugt i64 %82, %indvars.iv.next
  br i1 %83, label %.lr.ph, label %.preheader36.preheader, !llvm.loop !13

.preheader36.preheader:                           ; preds = %81, %12
  br label %.preheader36

.preheader36:                                     ; preds = %.preheader36.preheader, %86
  %84 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %85 = load i8, ptr %84, align 1, !tbaa !9
  %.not25 = icmp eq i8 %85, 78
  br i1 %.not25, label %94, label %86

86:                                               ; preds = %.preheader36
  %87 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %88 = load i8, ptr %87, align 1, !tbaa !9
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %89 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %5, i8 noundef signext %88)
          to label %.preheader36 unwind label %92, !llvm.loop !14

90:                                               ; preds = %96, %94
  %91 = landingpad { ptr, i32 }
          cleanup
  br label %101

92:                                               ; preds = %86
  %93 = landingpad { ptr, i32 }
          cleanup
  br label %101

94:                                               ; preds = %.preheader36
  %95 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %96 unwind label %90

96:                                               ; preds = %94
  %97 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %95, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %98 unwind label %90

98:                                               ; preds = %96
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  %99 = load i32, ptr %1, align 4, !tbaa !5
  %100 = add nsw i32 %99, -1
  store i32 %100, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %99, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph39, !llvm.loop !15

101:                                              ; preds = %39, %58, %77, %92, %90
  %.pn.pn = phi { ptr, i32 } [ %93, %92 ], [ %91, %90 ], [ %40, %39 ], [ %59, %58 ], [ %78, %77 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  br label %102

102:                                              ; preds = %101, %18
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %101 ], [ %19, %18 ]
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #7
  br label %103

103:                                              ; preds = %102, %16
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %102 ], [ %17, %16 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #7
  br label %104

104:                                              ; preds = %103, %14
  %.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn.pn, %103 ], [ %15, %14 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn.pn.pn

._crit_edge:                                      ; preds = %98, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushEOc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 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 #0 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 #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #5

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress norecurse 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #5 = { inlinehint 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 #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !11}
!15 = distinct !{!15, !11}


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