; LLVM IR from wesley-a-leung/Resources :: Tests/C++/datastructures/unionfind/UnionFindStressTest.ll (Z5test1v)

; 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_ostream" = type { ptr, %"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::chrono::time_point" = type { %"class.std::chrono::duration" }
%"class.std::chrono::duration" = type { i64 }
%"class.std::mersenne_twister_engine" = type { [312 x i64], i64 }
%struct.UnionFind = type <{ %"class.std::vector", i32, [4 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::_Setprecision" = type { i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5test1v() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::chrono::time_point", align 8
  %2 = alloca %"class.std::mersenne_twister_engine", align 8
  %3 = alloca i32, align 4
  %4 = alloca %struct.UnionFind, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::chrono::time_point", align 8
  %14 = alloca double, align 8
  %15 = alloca %"class.std::chrono::duration", align 8
  %16 = alloca %"struct.std::_Setprecision", align 4
  %17 = alloca i64, align 8
  %18 = alloca ptr, align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #7
  %22 = call i64 @_ZNSt6chrono3_V212system_clock3nowEv() #7
  %23 = getelementptr inbounds %"class.std::chrono::time_point", ptr %1, i32 0, i32 0
  %24 = getelementptr inbounds %"class.std::chrono::duration", ptr %23, i32 0, i32 0
  store i64 %22, ptr %24, align 8
  call void @llvm.lifetime.start.p0(i64 2504, ptr %2) #7
  call void @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEC2Em(ptr noundef nonnull align 8 dereferenceable(2504) %2, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 2000000, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #7
  %25 = load i32, ptr %3, align 4, !tbaa !5
  call void @_ZN9UnionFindC2Ei(ptr noundef nonnull align 8 dereferenceable(28) %4, i32 noundef %25)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 10000000, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %81, %0
  %27 = load i32, ptr %7, align 4, !tbaa !5
  %28 = load i32, ptr %5, align 4, !tbaa !5
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %85

31:                                               ; preds = %26
  %32 = invoke noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504) %2)
          to label %33 unwind label %46

33:                                               ; preds = %31
  %34 = urem i64 %32, 2
  %35 = icmp eq i64 %34, 0
  br i1 %35, label %36, label %54

36:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %37 = invoke noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504) %2)
          to label %38 unwind label %50

38:                                               ; preds = %36
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = urem i64 %37, %40
  %42 = trunc i64 %41 to i32
  %43 = invoke noundef i32 @_ZN9UnionFind7getSizeEi(ptr noundef nonnull align 8 dereferenceable(28) %4, i32 noundef %42)
          to label %44 unwind label %50

44:                                               ; preds = %38
  store i32 %43, ptr %10, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %45 unwind label %50

45:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %80

46:                                               ; preds = %31
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %8, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %9, align 4
  br label %84

50:                                               ; preds = %44, %38, %36
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %8, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %84

54:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %55 = invoke noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504) %2)
          to label %56 unwind label %71

56:                                               ; preds = %54
  %57 = load i32, ptr %3, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = urem i64 %55, %58
  %60 = trunc i64 %59 to i32
  store i32 %60, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %61 = invoke noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504) %2)
          to label %62 unwind label %75

62:                                               ; preds = %56
  %63 = load i32, ptr %3, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = urem i64 %61, %64
  %66 = trunc i64 %65 to i32
  store i32 %66, ptr %12, align 4, !tbaa !5
  %67 = load i32, ptr %11, align 4, !tbaa !5
  %68 = load i32, ptr %12, align 4, !tbaa !5
  %69 = invoke noundef zeroext i1 @_ZN9UnionFind4joinEii(ptr noundef nonnull align 8 dereferenceable(28) %4, i32 noundef %67, i32 noundef %68)
          to label %70 unwind label %75

70:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %80

71:                                               ; preds = %54
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %8, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %9, align 4
  br label %79

75:                                               ; preds = %62, %56
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %8, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %79

79:                                               ; preds = %75, %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %84

80:                                               ; preds = %70, %45
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %7, align 4, !tbaa !5
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %7, align 4, !tbaa !5
  br label %26, !llvm.loop !9

84:                                               ; preds = %79, %50, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %172

85:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  %86 = call i64 @_ZNSt6chrono3_V212system_clock3nowEv() #7
  %87 = getelementptr inbounds %"class.std::chrono::time_point", ptr %13, i32 0, i32 0
  %88 = getelementptr inbounds %"class.std::chrono::duration", ptr %87, i32 0, i32 0
  store i64 %86, ptr %88, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %89 = invoke i64 @_ZNSt6chronomiINS_3_V212system_clockENS_8durationIlSt5ratioILl1ELl1000000000EEEES6_EENSt11common_typeIJT0_T1_EE4typeERKNS_10time_pointIT_S8_EERKNSC_ISD_S9_EE(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %90 unwind label %141

90:                                               ; preds = %85
  %91 = getelementptr inbounds %"class.std::chrono::duration", ptr %15, i32 0, i32 0
  store i64 %89, ptr %91, align 8
  %92 = invoke noundef i64 @_ZNKSt6chrono8durationIlSt5ratioILl1ELl1000000000EEE5countEv(ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %93 unwind label %141

93:                                               ; preds = %90
  %94 = sitofp i64 %92 to double
  %95 = fdiv double %94, 1.000000e+09
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  store double %95, ptr %14, align 8, !tbaa !11
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %97 unwind label %145

97:                                               ; preds = %93
  %98 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %96, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %99 unwind label %145

99:                                               ; preds = %97
  %100 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %101 unwind label %145

101:                                              ; preds = %99
  %102 = load i32, ptr %3, align 4, !tbaa !5
  %103 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %100, i32 noundef %102)
          to label %104 unwind label %145

104:                                              ; preds = %101
  %105 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %103, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %106 unwind label %145

106:                                              ; preds = %104
  %107 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
          to label %108 unwind label %145

108:                                              ; preds = %106
  %109 = load i32, ptr %5, align 4, !tbaa !5
  %110 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %107, i32 noundef %109)
          to label %111 unwind label %145

111:                                              ; preds = %108
  %112 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %110, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %113 unwind label %145

113:                                              ; preds = %111
  %114 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
          to label %115 unwind label %145

115:                                              ; preds = %113
  %116 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %114, ptr noundef @_ZSt5fixedRSt8ios_base)
          to label %117 unwind label %145

117:                                              ; preds = %115
  %118 = invoke i32 @_ZSt12setprecisioni(i32 noundef 3)
          to label %119 unwind label %145

119:                                              ; preds = %117
  %120 = getelementptr inbounds %"struct.std::_Setprecision", ptr %16, i32 0, i32 0
  store i32 %118, ptr %120, align 4
  %121 = getelementptr inbounds %"struct.std::_Setprecision", ptr %16, i32 0, i32 0
  %122 = load i32, ptr %121, align 4
  %123 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %116, i32 %122)
          to label %124 unwind label %145

124:                                              ; preds = %119
  %125 = load double, ptr %14, align 8, !tbaa !11
  %126 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %123, double noundef %125)
          to label %127 unwind label %145

127:                                              ; preds = %124
  %128 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %126, ptr noundef @.str.4)
          to label %129 unwind label %145

129:                                              ; preds = %127
  %130 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %128, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %131 unwind label %145

131:                                              ; preds = %129
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #7
  store i64 0, ptr %17, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #7
  store ptr %6, ptr %18, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #7
  %132 = load ptr, ptr %18, align 8, !tbaa !15
  %133 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %132) #7
  %134 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %133, ptr %134, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #7
  %135 = load ptr, ptr %18, align 8, !tbaa !15
  %136 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %135) #7
  %137 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %136, ptr %137, align 8
  br label %138

138:                                              ; preds = %157, %131
  %139 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull align 8 dereferenceable(8) %20) #7
  br i1 %139, label %149, label %140

140:                                              ; preds = %138
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #7
  br label %159

141:                                              ; preds = %90, %85
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %8, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %171

145:                                              ; preds = %129, %127, %124, %119, %117, %115, %113, %111, %108, %106, %104, %101, %99, %97, %93
  %146 = landingpad { ptr, i32 }
          cleanup
  %147 = extractvalue { ptr, i32 } %146, 0
  store ptr %147, ptr %8, align 8
  %148 = extractvalue { ptr, i32 } %146, 1
  store i32 %148, ptr %9, align 4
  br label %171

149:                                              ; preds = %138
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #7
  %150 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %19) #7
  store ptr %150, ptr %21, align 8, !tbaa !15
  %151 = load i64, ptr %17, align 8, !tbaa !13
  %152 = mul nsw i64 31, %151
  %153 = load ptr, ptr %21, align 8, !tbaa !15
  %154 = load i32, ptr %153, align 4, !tbaa !5
  %155 = sext i32 %154 to i64
  %156 = add nsw i64 %152, %155
  store i64 %156, ptr %17, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  br label %157

157:                                              ; preds = %149
  %158 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %19) #7
  br label %138

159:                                              ; preds = %140
  %160 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %161 unwind label %167

161:                                              ; preds = %159
  %162 = load i64, ptr %17, align 8, !tbaa !13
  %163 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) %160, i64 noundef %162)
          to label %164 unwind label %167

164:                                              ; preds = %161
  %165 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %163, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %166 unwind label %167

166:                                              ; preds = %164
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(28) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 2504, ptr %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #7
  ret void

167:                                              ; preds = %164, %161, %159
  %168 = landingpad { ptr, i32 }
          cleanup
  %169 = extractvalue { ptr, i32 } %168, 0
  store ptr %169, ptr %8, align 8
  %170 = extractvalue { ptr, i32 } %168, 1
  store i32 %170, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  br label %171

171:                                              ; preds = %167, %145, %141
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  br label %172

172:                                              ; preds = %171, %84
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(28) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 2504, ptr %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #7
  br label %173

173:                                              ; preds = %172
  %174 = load ptr, ptr %8, align 8
  %175 = load i32, ptr %9, align 4
  %176 = insertvalue { ptr, i32 } poison, ptr %174, 0
  %177 = insertvalue { ptr, i32 } %176, i32 %175, 1
  resume { ptr, i32 } %177
}

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

; Function Attrs: nounwind
declare i64 @_ZNSt6chrono3_V212system_clock3nowEv() #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEC2Em(ptr noundef nonnull align 8 dereferenceable(2504), i64 noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9UnionFindC2Ei(ptr noundef nonnull align 8 dereferenceable(28), i32 noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN9UnionFind7getSizeEi(ptr noundef nonnull align 8 dereferenceable(28), i32 noundef) #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 uwtable
declare dso_local noundef zeroext i1 @_ZN9UnionFind4joinEii(ptr noundef nonnull align 8 dereferenceable(28), i32 noundef, i32 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNSt6chronomiINS_3_V212system_clockENS_8durationIlSt5ratioILl1ELl1000000000EEEES6_EENSt11common_typeIJT0_T1_EE4typeERKNS_10time_pointIT_S8_EERKNSC_ISD_S9_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6chrono8durationIlSt5ratioILl1ELl1000000000EEE5countEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 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)) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) #6

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(28)) unnamed_addr #6 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 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = { 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 #5 = { "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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"long long", !7, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"any pointer", !7, i64 0}


; 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_ostream" = type { ptr, %"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::chrono::time_point" = type { %"class.std::chrono::duration" }
%"class.std::chrono::duration" = type { i64 }
%"class.std::mersenne_twister_engine" = type { [312 x i64], i64 }
%struct.UnionFind = type <{ %"class.std::vector", i32, [4 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5test1v() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::chrono::time_point", align 8
  %2 = alloca %"class.std::mersenne_twister_engine", align 8
  %3 = alloca %struct.UnionFind, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::chrono::time_point", align 8
  %7 = alloca %"class.std::chrono::duration", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  %10 = tail call i64 @_ZNSt6chrono3_V212system_clock3nowEv() #7
  store i64 %10, ptr %1, align 8
  call void @llvm.lifetime.start.p0(i64 2504, ptr nonnull %2) #7
  call void @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEC2Em(ptr noundef nonnull align 8 dereferenceable(2504) %2, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #7
  call void @_ZN9UnionFindC2Ei(ptr noundef nonnull align 8 dereferenceable(28) %3, i32 noundef 2000000)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %14

11:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  %12 = call i64 @_ZNSt6chrono3_V212system_clock3nowEv() #7
  store i64 %12, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  %13 = invoke i64 @_ZNSt6chronomiINS_3_V212system_clockENS_8durationIlSt5ratioILl1ELl1000000000EEEES6_EENSt11common_typeIJT0_T1_EE4typeERKNS_10time_pointIT_S8_EERKNSC_ISD_S9_EE(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %47 unwind label %84

14:                                               ; preds = %0, %45
  %.030 = phi i32 [ 0, %0 ], [ %46, %45 ]
  %15 = invoke noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504) %2)
          to label %16 unwind label %27

16:                                               ; preds = %14
  %17 = and i64 %15, 1
  %18 = icmp eq i64 %17, 0
  br i1 %18, label %19, label %31

19:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  %20 = invoke noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504) %2)
          to label %21 unwind label %29

21:                                               ; preds = %19
  %22 = urem i64 %20, 2000000
  %23 = trunc nuw nsw i64 %22 to i32
  %24 = invoke noundef i32 @_ZN9UnionFind7getSizeEi(ptr noundef nonnull align 8 dereferenceable(28) %3, i32 noundef %23)
          to label %25 unwind label %29

25:                                               ; preds = %21
  store i32 %24, ptr %5, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %26 unwind label %29

26:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  br label %45

27:                                               ; preds = %14
  %28 = landingpad { ptr, i32 }
          cleanup
  br label %103

29:                                               ; preds = %25, %21, %19
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  br label %103

31:                                               ; preds = %16
  %32 = invoke noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504) %2)
          to label %33 unwind label %41

33:                                               ; preds = %31
  %34 = invoke noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504) %2)
          to label %35 unwind label %43

35:                                               ; preds = %33
  %36 = urem i64 %32, 2000000
  %37 = trunc nuw nsw i64 %36 to i32
  %38 = urem i64 %34, 2000000
  %39 = trunc nuw nsw i64 %38 to i32
  %40 = invoke noundef zeroext i1 @_ZN9UnionFind4joinEii(ptr noundef nonnull align 8 dereferenceable(28) %3, i32 noundef %37, i32 noundef %39)
          to label %45 unwind label %43

41:                                               ; preds = %31
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %103

43:                                               ; preds = %35, %33
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %103

45:                                               ; preds = %35, %26
  %46 = add nuw nsw i32 %.030, 1
  %exitcond.not = icmp eq i32 %46, 10000000
  br i1 %exitcond.not, label %11, label %14, !llvm.loop !9

47:                                               ; preds = %11
  store i64 %13, ptr %7, align 8
  %48 = call noundef i64 @_ZNKSt6chrono8durationIlSt5ratioILl1ELl1000000000EEE5countEv(ptr noundef nonnull align 8 dereferenceable(8) %7)
  %49 = sitofp i64 %48 to double
  %50 = fdiv double %49, 1.000000e+09
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %52 unwind label %86

52:                                               ; preds = %47
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %54 unwind label %86

54:                                               ; preds = %52
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %56 unwind label %86

56:                                               ; preds = %54
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %55, i32 noundef 2000000)
          to label %58 unwind label %86

58:                                               ; preds = %56
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %60 unwind label %86

60:                                               ; preds = %58
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.2)
          to label %62 unwind label %86

62:                                               ; preds = %60
  %63 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %61, i32 noundef 10000000)
          to label %64 unwind label %86

64:                                               ; preds = %62
  %65 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %66 unwind label %86

66:                                               ; preds = %64
  %67 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
          to label %68 unwind label %86

68:                                               ; preds = %66
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %67, ptr noundef nonnull @_ZSt5fixedRSt8ios_base)
          to label %70 unwind label %86

70:                                               ; preds = %68
  %71 = call i32 @_ZSt12setprecisioni(i32 noundef 3)
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %69, i32 %71)
          to label %73 unwind label %86

73:                                               ; preds = %70
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %72, double noundef %50)
          to label %75 unwind label %86

75:                                               ; preds = %73
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef nonnull @.str.4)
          to label %77 unwind label %86

77:                                               ; preds = %75
  %78 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %76, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %79 unwind label %86

79:                                               ; preds = %77
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  %80 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  store ptr %80, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  %81 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  store ptr %81, ptr %9, align 8
  %82 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #7
  br i1 %82, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %79
  %.019.lcssa = phi i64 [ 0, %79 ], [ %92, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %95 unwind label %100

84:                                               ; preds = %11
  %85 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  br label %102

86:                                               ; preds = %77, %75, %73, %70, %68, %66, %64, %62, %60, %58, %56, %54, %52, %47
  %87 = landingpad { ptr, i32 }
          cleanup
  br label %102

.lr.ph:                                           ; preds = %79, %.lr.ph
  %.01931 = phi i64 [ %92, %.lr.ph ], [ 0, %79 ]
  %88 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #7
  %89 = mul nsw i64 %.01931, 31
  %90 = load i32, ptr %88, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = add nsw i64 %89, %91
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #7
  %94 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #7
  br i1 %94, label %.lr.ph, label %._crit_edge

95:                                               ; preds = %._crit_edge
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) %83, i64 noundef %.019.lcssa)
          to label %97 unwind label %100

97:                                               ; preds = %95
  %98 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %96, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %99 unwind label %100

99:                                               ; preds = %97
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(28) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 2504, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  ret void

100:                                              ; preds = %97, %95, %._crit_edge
  %101 = landingpad { ptr, i32 }
          cleanup
  br label %102

102:                                              ; preds = %100, %86, %84
  %.pn = phi { ptr, i32 } [ %101, %100 ], [ %87, %86 ], [ %85, %84 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %103

103:                                              ; preds = %27, %29, %43, %41, %102
  %.pn27.pn = phi { ptr, i32 } [ %.pn, %102 ], [ %30, %29 ], [ %28, %27 ], [ %44, %43 ], [ %42, %41 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(28) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 2504, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn27.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: nounwind
declare i64 @_ZNSt6chrono3_V212system_clock3nowEv() local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEC2Em(ptr noundef nonnull align 8 dereferenceable(2504), i64 noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9UnionFindC2Ei(ptr noundef nonnull align 8 dereferenceable(28), i32 noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt23mersenne_twister_engineImLm64ELm312ELm156ELm31ELm13043109905998158313ELm29ELm6148914691236517205ELm17ELm8202884508482404352ELm37ELm18444473444759240704ELm43ELm6364136223846793005EEclEv(ptr noundef nonnull align 8 dereferenceable(2504)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN9UnionFind7getSizeEi(ptr noundef nonnull align 8 dereferenceable(28), i32 noundef) local_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 uwtable
declare dso_local noundef zeroext i1 @_ZN9UnionFind4joinEii(ptr noundef nonnull align 8 dereferenceable(28), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNSt6chronomiINS_3_V212system_clockENS_8durationIlSt5ratioILl1ELl1000000000EEEES6_EENSt11common_typeIJT0_T1_EE4typeERKNS_10time_pointIT_S8_EERKNSC_ISD_S9_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6chrono8durationIlSt5ratioILl1ELl1000000000EEE5countEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

; 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 #0 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)) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) local_unnamed_addr #6

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(28)) unnamed_addr #6 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 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = { 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 #5 = { "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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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