; LLVM IR from hanzohasashi33/Competetive_programming :: hackerrank/Data Structures/Stacks (Balanced_Brackets)

; 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::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 }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10isBalancedNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::stack", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca i8, align 1
  %12 = alloca %"class.std::allocator", align 1
  %13 = alloca i8, align 1
  %14 = alloca %"class.std::allocator", align 1
  %15 = alloca i8, align 1
  %16 = alloca %"class.std::allocator", align 1
  %17 = alloca %"class.std::allocator", align 1
  %18 = alloca %"class.std::allocator", align 1
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr %5) #4
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %176, %2
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %23 = icmp ult i64 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %19
  store i32 2, ptr %7, align 4
  br label %179

25:                                               ; preds = %19
  %26 = load i32, ptr %6, align 4, !tbaa !9
  %27 = sext i32 %26 to i64
  %28 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %27)
          to label %29 unwind label %55

29:                                               ; preds = %25
  %30 = load i8, ptr %28, align 1, !tbaa !11
  %31 = sext i8 %30 to i32
  %32 = icmp eq i32 %31, 40
  br i1 %32, label %49, label %33

33:                                               ; preds = %29
  %34 = load i32, ptr %6, align 4, !tbaa !9
  %35 = sext i32 %34 to i64
  %36 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %35)
          to label %37 unwind label %55

37:                                               ; preds = %33
  %38 = load i8, ptr %36, align 1, !tbaa !11
  %39 = sext i8 %38 to i32
  %40 = icmp eq i32 %39, 91
  br i1 %40, label %49, label %41

41:                                               ; preds = %37
  %42 = load i32, ptr %6, align 4, !tbaa !9
  %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) %1, i64 noundef %43)
          to label %45 unwind label %55

45:                                               ; preds = %41
  %46 = load i8, ptr %44, align 1, !tbaa !11
  %47 = sext i8 %46 to i32
  %48 = icmp eq i32 %47, 123
  br i1 %48, label %49, label %59

49:                                               ; preds = %45, %37, %29
  %50 = load i32, ptr %6, align 4, !tbaa !9
  %51 = sext i32 %50 to i64
  %52 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %51)
          to label %53 unwind label %55

53:                                               ; preds = %49
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 1 dereferenceable(1) %52)
          to label %54 unwind label %55

54:                                               ; preds = %53
  br label %176

55:                                               ; preds = %138, %103, %68, %59, %53, %49, %41, %33, %25
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %8, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %9, align 4
  br label %181

59:                                               ; preds = %45
  %60 = invoke noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %61 unwind label %55

61:                                               ; preds = %59
  br i1 %60, label %62, label %68

62:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %63 unwind label %64

63:                                               ; preds = %62
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #4
  store i32 1, ptr %7, align 4
  br label %179

64:                                               ; preds = %62
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %8, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #4
  br label %181

68:                                               ; preds = %61
  %69 = load i32, ptr %6, align 4, !tbaa !9
  %70 = sext i32 %69 to i64
  %71 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %70)
          to label %72 unwind label %55

72:                                               ; preds = %68
  %73 = load i8, ptr %71, align 1, !tbaa !11
  %74 = sext i8 %73 to i32
  %75 = icmp eq i32 %74, 41
  br i1 %75, label %76, label %103

76:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #4
  %77 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %78 unwind label %90

78:                                               ; preds = %76
  %79 = load i8, ptr %77, align 1, !tbaa !11
  store i8 %79, ptr %11, align 1, !tbaa !11
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %80 unwind label %90

80:                                               ; preds = %78
  %81 = load i8, ptr %11, align 1, !tbaa !11
  %82 = sext i8 %81 to i32
  %83 = icmp eq i32 %82, 123
  br i1 %83, label %88, label %84

84:                                               ; preds = %80
  %85 = load i8, ptr %11, align 1, !tbaa !11
  %86 = sext i8 %85 to i32
  %87 = icmp eq i32 %86, 91
  br i1 %87, label %88, label %98

88:                                               ; preds = %84, %80
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %89 unwind label %94

89:                                               ; preds = %88
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  store i32 1, ptr %7, align 4
  br label %99

90:                                               ; preds = %78, %76
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %8, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %9, align 4
  br label %102

94:                                               ; preds = %88
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %8, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  br label %102

98:                                               ; preds = %84
  store i32 0, ptr %7, align 4
  br label %99

99:                                               ; preds = %98, %89
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  %100 = load i32, ptr %7, align 4
  switch i32 %100, label %179 [
    i32 0, label %101
  ]

101:                                              ; preds = %99
  br label %175

102:                                              ; preds = %94, %90
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  br label %181

103:                                              ; preds = %72
  %104 = load i32, ptr %6, align 4, !tbaa !9
  %105 = sext i32 %104 to i64
  %106 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %105)
          to label %107 unwind label %55

107:                                              ; preds = %103
  %108 = load i8, ptr %106, align 1, !tbaa !11
  %109 = sext i8 %108 to i32
  %110 = icmp eq i32 %109, 125
  br i1 %110, label %111, label %138

111:                                              ; preds = %107
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #4
  %112 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %113 unwind label %125

113:                                              ; preds = %111
  %114 = load i8, ptr %112, align 1, !tbaa !11
  store i8 %114, ptr %13, align 1, !tbaa !11
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %115 unwind label %125

115:                                              ; preds = %113
  %116 = load i8, ptr %13, align 1, !tbaa !11
  %117 = sext i8 %116 to i32
  %118 = icmp eq i32 %117, 40
  br i1 %118, label %123, label %119

119:                                              ; preds = %115
  %120 = load i8, ptr %13, align 1, !tbaa !11
  %121 = sext i8 %120 to i32
  %122 = icmp eq i32 %121, 91
  br i1 %122, label %123, label %133

123:                                              ; preds = %119, %115
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %124 unwind label %129

124:                                              ; preds = %123
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #4
  store i32 1, ptr %7, align 4
  br label %134

125:                                              ; preds = %113, %111
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %8, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %9, align 4
  br label %137

129:                                              ; preds = %123
  %130 = landingpad { ptr, i32 }
          cleanup
  %131 = extractvalue { ptr, i32 } %130, 0
  store ptr %131, ptr %8, align 8
  %132 = extractvalue { ptr, i32 } %130, 1
  store i32 %132, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #4
  br label %137

133:                                              ; preds = %119
  store i32 0, ptr %7, align 4
  br label %134

134:                                              ; preds = %133, %124
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #4
  %135 = load i32, ptr %7, align 4
  switch i32 %135, label %179 [
    i32 0, label %136
  ]

136:                                              ; preds = %134
  br label %174

137:                                              ; preds = %129, %125
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #4
  br label %181

138:                                              ; preds = %107
  %139 = load i32, ptr %6, align 4, !tbaa !9
  %140 = sext i32 %139 to i64
  %141 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %140)
          to label %142 unwind label %55

142:                                              ; preds = %138
  %143 = load i8, ptr %141, align 1, !tbaa !11
  %144 = sext i8 %143 to i32
  %145 = icmp eq i32 %144, 93
  br i1 %145, label %146, label %173

146:                                              ; preds = %142
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #4
  %147 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %148 unwind label %160

148:                                              ; preds = %146
  %149 = load i8, ptr %147, align 1, !tbaa !11
  store i8 %149, ptr %15, align 1, !tbaa !11
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %150 unwind label %160

150:                                              ; preds = %148
  %151 = load i8, ptr %15, align 1, !tbaa !11
  %152 = sext i8 %151 to i32
  %153 = icmp eq i32 %152, 123
  br i1 %153, label %158, label %154

154:                                              ; preds = %150
  %155 = load i8, ptr %15, align 1, !tbaa !11
  %156 = sext i8 %155 to i32
  %157 = icmp eq i32 %156, 40
  br i1 %157, label %158, label %168

158:                                              ; preds = %154, %150
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %159 unwind label %164

159:                                              ; preds = %158
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #4
  store i32 1, ptr %7, align 4
  br label %169

160:                                              ; preds = %148, %146
  %161 = landingpad { ptr, i32 }
          cleanup
  %162 = extractvalue { ptr, i32 } %161, 0
  store ptr %162, ptr %8, align 8
  %163 = extractvalue { ptr, i32 } %161, 1
  store i32 %163, ptr %9, align 4
  br label %172

164:                                              ; preds = %158
  %165 = landingpad { ptr, i32 }
          cleanup
  %166 = extractvalue { ptr, i32 } %165, 0
  store ptr %166, ptr %8, align 8
  %167 = extractvalue { ptr, i32 } %165, 1
  store i32 %167, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #4
  br label %172

168:                                              ; preds = %154
  store i32 0, ptr %7, align 4
  br label %169

169:                                              ; preds = %168, %159
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #4
  %170 = load i32, ptr %7, align 4
  switch i32 %170, label %179 [
    i32 0, label %171
  ]

171:                                              ; preds = %169
  br label %173

172:                                              ; preds = %164, %160
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #4
  br label %181

173:                                              ; preds = %171, %142
  br label %174

174:                                              ; preds = %173, %136
  br label %175

175:                                              ; preds = %174, %101
  br label %176

176:                                              ; preds = %175, %54
  %177 = load i32, ptr %6, align 4, !tbaa !9
  %178 = add nsw i32 %177, 1
  store i32 %178, ptr %6, align 4, !tbaa !9
  br label %19, !llvm.loop !12

179:                                              ; preds = %169, %134, %99, %63, %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  %180 = load i32, ptr %7, align 4
  switch i32 %180, label %201 [
    i32 2, label %182
  ]

181:                                              ; preds = %172, %137, %102, %64, %55
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %202

182:                                              ; preds = %179
  %183 = invoke noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %184 unwind label %187

184:                                              ; preds = %182
  br i1 %183, label %185, label %195

185:                                              ; preds = %184
  call void @llvm.lifetime.start.p0(i64 1, ptr %17) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %186 unwind label %191

186:                                              ; preds = %185
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #4
  store i32 1, ptr %7, align 4
  br label %201

187:                                              ; preds = %182
  %188 = landingpad { ptr, i32 }
          cleanup
  %189 = extractvalue { ptr, i32 } %188, 0
  store ptr %189, ptr %8, align 8
  %190 = extractvalue { ptr, i32 } %188, 1
  store i32 %190, ptr %9, align 4
  br label %202

191:                                              ; preds = %185
  %192 = landingpad { ptr, i32 }
          cleanup
  %193 = extractvalue { ptr, i32 } %192, 0
  store ptr %193, ptr %8, align 8
  %194 = extractvalue { ptr, i32 } %192, 1
  store i32 %194, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #4
  br label %202

195:                                              ; preds = %184
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %196 unwind label %197

196:                                              ; preds = %195
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #4
  store i32 1, ptr %7, align 4
  br label %201

197:                                              ; preds = %195
  %198 = landingpad { ptr, i32 }
          cleanup
  %199 = extractvalue { ptr, i32 } %198, 0
  store ptr %199, ptr %8, align 8
  %200 = extractvalue { ptr, i32 } %198, 1
  store i32 %200, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #4
  br label %202

201:                                              ; preds = %196, %186, %179
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %5) #4
  ret void

202:                                              ; preds = %197, %191, %187, %181
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %5) #4
  br label %203

203:                                              ; preds = %202
  %204 = load ptr, ptr %8, align 8
  %205 = load i32, ptr %9, align 4
  %206 = insertvalue { ptr, i32 } poison, ptr %204, 0
  %207 = insertvalue { ptr, i32 } %206, i32 %205, 1
  resume { ptr, i32 } %207
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #0 align 2

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

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; 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::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 }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10isBalancedNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::stack", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #4
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %10 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %.not43.not = icmp eq i64 %10, 0
  br i1 %.not43.not, label %.critedge42, label %.lr.ph

.lr.ph:                                           ; preds = %2, %.critedge
  %indvars.iv = phi i64 [ %indvars.iv.next, %.critedge ], [ 0, %2 ]
  %11 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %12 = load i8, ptr %11, align 1, !tbaa !5
  %13 = icmp eq i8 %12, 40
  br i1 %13, label %22, label %14

14:                                               ; preds = %.lr.ph
  %15 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %16 = load i8, ptr %15, align 1, !tbaa !5
  %17 = icmp eq i8 %16, 91
  br i1 %17, label %22, label %18

18:                                               ; preds = %14
  %19 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %20 = load i8, ptr %19, align 1, !tbaa !5
  %21 = icmp eq i8 %20, 123
  br i1 %21, label %22, label %26

22:                                               ; preds = %18, %14, %.lr.ph
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 1 dereferenceable(1) %23)
          to label %.critedge unwind label %24

24:                                               ; preds = %22
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %76

26:                                               ; preds = %18
  %27 = call noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %27, label %28, label %32

28:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %29 unwind label %30

29:                                               ; preds = %28
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  br label %.loopexit

30:                                               ; preds = %28
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  br label %76

32:                                               ; preds = %26
  %33 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %34 = load i8, ptr %33, align 1, !tbaa !5
  %35 = icmp eq i8 %34, 41
  br i1 %35, label %36, label %44

36:                                               ; preds = %32
  %37 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %38 = load i8, ptr %37, align 1, !tbaa !5
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %39 = and i8 %38, -33
  %or.cond.not = icmp eq i8 %39, 91
  br i1 %or.cond.not, label %40, label %.critedge

40:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %41 unwind label %42

41:                                               ; preds = %40
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  br label %.loopexit

42:                                               ; preds = %40
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  br label %76

44:                                               ; preds = %32
  %45 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %46 = load i8, ptr %45, align 1, !tbaa !5
  %47 = icmp eq i8 %46, 125
  br i1 %47, label %48, label %55

48:                                               ; preds = %44
  %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 !5
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  switch i8 %50, label %.critedge [
    i8 91, label %51
    i8 40, label %51
  ]

51:                                               ; preds = %48, %48
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %52 unwind label %53

52:                                               ; preds = %51
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  switch i8 %50, label %.critedge [
    i8 91, label %.loopexit
    i8 40, label %.loopexit
  ]

53:                                               ; preds = %51
  %54 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  br label %76

55:                                               ; preds = %44
  %56 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %57 = load i8, ptr %56, align 1, !tbaa !5
  %58 = icmp eq i8 %57, 93
  br i1 %58, label %59, label %.critedge

59:                                               ; preds = %55
  %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 !5
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  switch i8 %61, label %.critedge [
    i8 123, label %62
    i8 40, label %62
  ]

62:                                               ; preds = %59, %59
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %63 unwind label %64

63:                                               ; preds = %62
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  switch i8 %61, label %.critedge [
    i8 123, label %.loopexit
    i8 40, label %.loopexit
  ]

64:                                               ; preds = %62
  %65 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  br label %76

.critedge:                                        ; preds = %59, %48, %36, %63, %52, %55, %22
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %66 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  %.not = icmp ugt i64 %66, %indvars.iv.next
  br i1 %.not, label %.lr.ph, label %.critedge42, !llvm.loop !8

.critedge42:                                      ; preds = %.critedge, %2
  %67 = call noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %67, label %68, label %72

68:                                               ; preds = %.critedge42
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %69 unwind label %70

69:                                               ; preds = %68
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  br label %.loopexit

70:                                               ; preds = %68
  %71 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  br label %76

72:                                               ; preds = %.critedge42
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %73 unwind label %74

73:                                               ; preds = %72
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #4
  br label %.loopexit

74:                                               ; preds = %72
  %75 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #4
  br label %76

.loopexit:                                        ; preds = %52, %52, %63, %63, %29, %41, %73, %69
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #4
  ret void

76:                                               ; preds = %24, %30, %42, %53, %64, %74, %70
  %.pn.pn = phi { ptr, i32 } [ %71, %70 ], [ %75, %74 ], [ %25, %24 ], [ %31, %30 ], [ %43, %42 ], [ %54, %53 ], [ %65, %64 ]
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn.pn
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #0 align 2

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

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

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

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


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