; LLVM IR from gzc/CLRS :: C08-Sorting-in-Linear-Time/exercise_code/radixSort.ll (ZN9RadixSort17countingSortDigitEv)

; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"struct.std::pair" = type { i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }
%class.RadixSort = type { i32, i32, %"class.std::vector", %"class.std::vector.0" }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9RadixSort17countingSortDigitEv(ptr noundef nonnull align 8 dereferenceable(56) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca %"class.std::allocator.2", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair", align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca ptr, align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::vector.0", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %20 = alloca %"class.std::allocator.2", align 1
  %21 = alloca i32, align 4
  %22 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %23 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #4
  %24 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 0
  %25 = load i32, ptr %24, align 8, !tbaa !9
  %26 = sext i32 %25 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #4
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %26, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %27 unwind label %34

27:                                               ; preds = %1
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !20
  br label %28

28:                                               ; preds = %63, %27
  %29 = load i32, ptr %7, align 4, !tbaa !20
  %30 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 0
  %31 = load i32, ptr %30, align 8, !tbaa !9
  %32 = icmp slt i32 %29, %31
  br i1 %32, label %38, label %33

33:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %70

34:                                               ; preds = %1
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %5, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #4
  br label %177

38:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %39 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 3
  %40 = load i32, ptr %7, align 4, !tbaa !20
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %39, i64 noundef %41) #4
  %43 = getelementptr inbounds %"struct.std::pair", ptr %42, i32 0, i32 1
  %44 = load i32, ptr %43, align 4, !tbaa !21
  %45 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 0
  %46 = load i32, ptr %45, align 8, !tbaa !9
  %47 = srem i32 %44, %46
  store i32 %47, ptr %9, align 4, !tbaa !20
  %48 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %49 unwind label %66

49:                                               ; preds = %38
  store i64 %48, ptr %8, align 4
  %50 = load i32, ptr %7, align 4, !tbaa !20
  %51 = sext i32 %50 to i64
  %52 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %51) #4
  %53 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %52, ptr noundef nonnull align 4 dereferenceable(8) %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %54 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 0
  %55 = load i32, ptr %54, align 8, !tbaa !9
  %56 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 3
  %57 = load i32, ptr %7, align 4, !tbaa !20
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %56, i64 noundef %58) #4
  %60 = getelementptr inbounds %"struct.std::pair", ptr %59, i32 0, i32 1
  %61 = load i32, ptr %60, align 4, !tbaa !21
  %62 = sdiv i32 %61, %55
  store i32 %62, ptr %60, align 4, !tbaa !21
  br label %63

63:                                               ; preds = %49
  %64 = load i32, ptr %7, align 4, !tbaa !20
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %7, align 4, !tbaa !20
  br label %28, !llvm.loop !23

66:                                               ; preds = %38
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %5, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %176

70:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #4
  %71 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 0
  %72 = load i32, ptr %71, align 8, !tbaa !9
  %73 = sext i32 %72 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %73, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %74 unwind label %84

74:                                               ; preds = %70
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  store ptr %3, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %75 = load ptr, ptr %12, align 8, !tbaa !5
  %76 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %75) #4
  %77 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %13, i32 0, i32 0
  store ptr %76, ptr %77, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %78 = load ptr, ptr %12, align 8, !tbaa !5
  %79 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %78) #4
  %80 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %14, i32 0, i32 0
  store ptr %79, ptr %80, align 8
  br label %81

81:                                               ; preds = %97, %74
  %82 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  br i1 %82, label %88, label %83

83:                                               ; preds = %81
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  br label %99

84:                                               ; preds = %70
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %5, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  br label %175

88:                                               ; preds = %81
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %89 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  store ptr %89, ptr %15, align 8, !tbaa !5
  %90 = load ptr, ptr %15, align 8, !tbaa !5
  %91 = getelementptr inbounds %"struct.std::pair", ptr %90, i32 0, i32 1
  %92 = load i32, ptr %91, align 4, !tbaa !21
  %93 = sext i32 %92 to i64
  %94 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %93) #4
  %95 = load i32, ptr %94, align 4, !tbaa !20
  %96 = add nsw i32 %95, 1
  store i32 %96, ptr %94, align 4, !tbaa !20
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %97

97:                                               ; preds = %88
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  br label %81

99:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #4
  store i32 1, ptr %16, align 4, !tbaa !20
  br label %100

100:                                              ; preds = %117, %99
  %101 = load i32, ptr %16, align 4, !tbaa !20
  %102 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 0
  %103 = load i32, ptr %102, align 8, !tbaa !9
  %104 = icmp slt i32 %101, %103
  br i1 %104, label %106, label %105

105:                                              ; preds = %100
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  br label %120

106:                                              ; preds = %100
  %107 = load i32, ptr %16, align 4, !tbaa !20
  %108 = sub nsw i32 %107, 1
  %109 = sext i32 %108 to i64
  %110 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %109) #4
  %111 = load i32, ptr %110, align 4, !tbaa !20
  %112 = load i32, ptr %16, align 4, !tbaa !20
  %113 = sext i32 %112 to i64
  %114 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %113) #4
  %115 = load i32, ptr %114, align 4, !tbaa !20
  %116 = add nsw i32 %115, %111
  store i32 %116, ptr %114, align 4, !tbaa !20
  br label %117

117:                                              ; preds = %106
  %118 = load i32, ptr %16, align 4, !tbaa !20
  %119 = add nsw i32 %118, 1
  store i32 %119, ptr %16, align 4, !tbaa !20
  br label %100, !llvm.loop !25

120:                                              ; preds = %105
  call void @llvm.lifetime.start.p0(i64 24, ptr %17) #4
  %121 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 3
  %122 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %121) #4
  %123 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %18, i32 0, i32 0
  store ptr %122, ptr %123, align 8
  %124 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 3
  %125 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %124) #4
  %126 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %19, i32 0, i32 0
  store ptr %125, ptr %126, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %20) #4
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #4
  %127 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %18, i32 0, i32 0
  %128 = load ptr, ptr %127, align 8
  %129 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %19, i32 0, i32 0
  %130 = load ptr, ptr %129, align 8
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2IN9__gnu_cxx17__normal_iteratorIPS1_S3_EEvEET_S9_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %17, ptr %128, ptr %130, ptr noundef nonnull align 1 dereferenceable(1) %20)
          to label %131 unwind label %139

131:                                              ; preds = %120
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #4
  %132 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 0
  %133 = load i32, ptr %132, align 8, !tbaa !9
  %134 = sub nsw i32 %133, 1
  store i32 %134, ptr %21, align 4, !tbaa !20
  br label %135

135:                                              ; preds = %166, %131
  %136 = load i32, ptr %21, align 4, !tbaa !20
  %137 = icmp sge i32 %136, 0
  br i1 %137, label %143, label %138

138:                                              ; preds = %135
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #4
  br label %173

139:                                              ; preds = %120
  %140 = landingpad { ptr, i32 }
          cleanup
  %141 = extractvalue { ptr, i32 } %140, 0
  store ptr %141, ptr %5, align 8
  %142 = extractvalue { ptr, i32 } %140, 1
  store i32 %142, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #4
  br label %174

143:                                              ; preds = %135
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #4
  %144 = load i32, ptr %21, align 4, !tbaa !20
  %145 = sext i32 %144 to i64
  %146 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %145) #4
  %147 = getelementptr inbounds %"struct.std::pair", ptr %146, i32 0, i32 1
  %148 = load i32, ptr %147, align 4, !tbaa !21
  %149 = sext i32 %148 to i64
  %150 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %149) #4
  %151 = load i32, ptr %150, align 4, !tbaa !20
  %152 = add nsw i32 %151, -1
  store i32 %152, ptr %150, align 4, !tbaa !20
  store i32 %152, ptr %22, align 4, !tbaa !20
  %153 = load i32, ptr %21, align 4, !tbaa !20
  %154 = sext i32 %153 to i64
  %155 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %154) #4
  %156 = getelementptr inbounds %"struct.std::pair", ptr %155, i32 0, i32 0
  %157 = load i32, ptr %156, align 4, !tbaa !26
  %158 = sext i32 %157 to i64
  %159 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %158) #4
  %160 = getelementptr inbounds %class.RadixSort, ptr %23, i32 0, i32 3
  %161 = load i32, ptr %22, align 4, !tbaa !20
  %162 = sext i32 %161 to i64
  %163 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %160, i64 noundef %162) #4
  %164 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8) %163, ptr noundef nonnull align 4 dereferenceable(8) %159)
          to label %165 unwind label %169

165:                                              ; preds = %143
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #4
  br label %166

166:                                              ; preds = %165
  %167 = load i32, ptr %21, align 4, !tbaa !20
  %168 = add nsw i32 %167, -1
  store i32 %168, ptr %21, align 4, !tbaa !20
  br label %135, !llvm.loop !27

169:                                              ; preds = %143
  %170 = landingpad { ptr, i32 }
          cleanup
  %171 = extractvalue { ptr, i32 } %170, 0
  store ptr %171, ptr %5, align 8
  %172 = extractvalue { ptr, i32 } %170, 1
  store i32 %172, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #4
  br label %174

173:                                              ; preds = %138
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #4
  ret void

174:                                              ; preds = %169, %139
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  br label %175

175:                                              ; preds = %174, %84
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #4
  br label %176

176:                                              ; preds = %175, %66
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  br label %177

177:                                              ; preds = %176, %34
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #4
  br label %178

178:                                              ; preds = %177
  %179 = load ptr, ptr %5, align 8
  %180 = load i32, ptr %6, align 4
  %181 = insertvalue { ptr, i32 } poison, ptr %179, 0
  %182 = insertvalue { ptr, i32 } %181, i32 %180, 1
  resume { ptr, i32 } %182
}

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2IN9__gnu_cxx17__normal_iteratorIPS1_S3_EEvEET_S9_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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, !11, i64 0}
!10 = !{!"_ZTS9RadixSort", !11, i64 0, !11, i64 4, !12, i64 8, !16, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTSSt6vectorIiSaIiEE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!16 = !{!"_ZTSSt6vectorISt4pairIiiESaIS1_EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseISt4pairIiiESaIS1_EE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseISt4pairIiiESaIS1_EE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseISt4pairIiiESaIS1_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!20 = !{!11, !11, i64 0}
!21 = !{!22, !11, i64 4}
!22 = !{!"_ZTSSt4pairIiiE", !11, i64 0, !11, i64 4}
!23 = distinct !{!23, !24}
!24 = !{!"llvm.loop.mustprogress"}
!25 = distinct !{!25, !24}
!26 = !{!22, !11, i64 0}
!27 = distinct !{!27, !24}


; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"struct.std::pair" = type { i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9RadixSort17countingSortDigitEv(ptr noundef nonnull align 8 dereferenceable(56) %0) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca %"class.std::allocator.2", align 1
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %11 = alloca %"class.std::vector.0", align 8
  %12 = alloca %"class.std::allocator.2", align 1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #4
  %13 = load i32, ptr %0, align 8, !tbaa !5
  %14 = sext i32 %13 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #4
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %14, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %15 unwind label %20

15:                                               ; preds = %1
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store i32 0, ptr %4, align 4, !tbaa !19
  %16 = load i32, ptr %0, align 8, !tbaa !5
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %15
  %18 = getelementptr inbounds i8, ptr %0, i64 32
  br label %22

._crit_edge:                                      ; preds = %30, %15
  %.lcssa = phi i32 [ %16, %15 ], [ %44, %30 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #4
  %19 = sext i32 %.lcssa to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %19, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %48 unwind label %54

20:                                               ; preds = %1
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  br label %100

22:                                               ; preds = %.lr.ph, %30
  %storemerge25 = phi i32 [ 0, %.lr.ph ], [ %43, %30 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  %23 = sext i32 %storemerge25 to i64
  %24 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef %23) #4
  %25 = getelementptr inbounds i8, ptr %24, i64 4
  %26 = load i32, ptr %25, align 4, !tbaa !20
  %27 = load i32, ptr %0, align 8, !tbaa !5
  %28 = srem i32 %26, %27
  store i32 %28, ptr %6, align 4, !tbaa !19
  %29 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %30 unwind label %46

30:                                               ; preds = %22
  store i64 %29, ptr %5, align 8
  %31 = load i32, ptr %4, align 4, !tbaa !19
  %32 = sext i32 %31 to i64
  %33 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %32) #4
  %34 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %33, ptr noundef nonnull align 4 dereferenceable(8) %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %35 = load i32, ptr %0, align 8, !tbaa !5
  %36 = load i32, ptr %4, align 4, !tbaa !19
  %37 = sext i32 %36 to i64
  %38 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef %37) #4
  %39 = getelementptr inbounds i8, ptr %38, i64 4
  %40 = load i32, ptr %39, align 4, !tbaa !20
  %41 = sdiv i32 %40, %35
  store i32 %41, ptr %39, align 4, !tbaa !20
  %42 = load i32, ptr %4, align 4, !tbaa !19
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %4, align 4, !tbaa !19
  %44 = load i32, ptr %0, align 8, !tbaa !5
  %45 = icmp slt i32 %43, %44
  br i1 %45, label %22, label %._crit_edge, !llvm.loop !22

46:                                               ; preds = %22
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  br label %99

48:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %49 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  store ptr %49, ptr %9, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  %50 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  store ptr %50, ptr %10, align 8
  %51 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br i1 %51, label %.lr.ph27, label %._crit_edge28

._crit_edge28:                                    ; preds = %.lr.ph27, %48
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  %52 = load i32, ptr %0, align 8, !tbaa !5
  %53 = icmp sgt i32 %52, 1
  br i1 %53, label %.lr.ph31, label %._crit_edge32

54:                                               ; preds = %._crit_edge
  %55 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  br label %98

.lr.ph27:                                         ; preds = %48, %.lr.ph27
  %56 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %57 = getelementptr inbounds i8, ptr %56, i64 4
  %58 = load i32, ptr %57, align 4, !tbaa !20
  %59 = sext i32 %58 to i64
  %60 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %59) #4
  %61 = load i32, ptr %60, align 4, !tbaa !19
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %60, align 4, !tbaa !19
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %64 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br i1 %64, label %.lr.ph27, label %._crit_edge28

._crit_edge32:                                    ; preds = %.lr.ph31, %._crit_edge28
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %11) #4
  %65 = getelementptr inbounds i8, ptr %0, i64 32
  %66 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %65) #4
  %67 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %65) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %12) #4
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2IN9__gnu_cxx17__normal_iteratorIPS1_S3_EEvEET_S9_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %11, ptr %66, ptr %67, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %77 unwind label %81

.lr.ph31:                                         ; preds = %._crit_edge28, %.lr.ph31
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph31 ], [ 1, %._crit_edge28 ]
  %68 = add nsw i64 %indvars.iv, -1
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %68) #4
  %70 = load i32, ptr %69, align 4, !tbaa !19
  %71 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %indvars.iv) #4
  %72 = load i32, ptr %71, align 4, !tbaa !19
  %73 = add nsw i32 %72, %70
  store i32 %73, ptr %71, align 4, !tbaa !19
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %74 = load i32, ptr %0, align 8, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = icmp slt i64 %indvars.iv.next, %75
  br i1 %76, label %.lr.ph31, label %._crit_edge32, !llvm.loop !24

77:                                               ; preds = %._crit_edge32
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #4
  %78 = load i32, ptr %0, align 8, !tbaa !5
  %79 = icmp sgt i32 %78, 0
  br i1 %79, label %.lr.ph35.preheader, label %._crit_edge36

.lr.ph35.preheader:                               ; preds = %77
  %80 = zext nneg i32 %78 to i64
  br label %.lr.ph35

._crit_edge36:                                    ; preds = %.lr.ph35, %77
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  ret void

81:                                               ; preds = %._crit_edge32
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  br label %98

.lr.ph35:                                         ; preds = %.lr.ph35.preheader, %.lr.ph35
  %indvars.iv39 = phi i64 [ %80, %.lr.ph35.preheader ], [ %indvars.iv.next40, %.lr.ph35 ]
  %indvars.iv.next40 = add nsw i64 %indvars.iv39, -1
  %83 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv.next40) #4
  %84 = getelementptr inbounds i8, ptr %83, i64 4
  %85 = load i32, ptr %84, align 4, !tbaa !20
  %86 = sext i32 %85 to i64
  %87 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %86) #4
  %88 = load i32, ptr %87, align 4, !tbaa !19
  %89 = add nsw i32 %88, -1
  store i32 %89, ptr %87, align 4, !tbaa !19
  %90 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv.next40) #4
  %91 = load i32, ptr %90, align 4, !tbaa !25
  %92 = sext i32 %91 to i64
  %93 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %92) #4
  %94 = sext i32 %89 to i64
  %95 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %65, i64 noundef %94) #4
  %96 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8) %95, ptr noundef nonnull align 4 dereferenceable(8) %93)
  %97 = icmp ugt i64 %indvars.iv39, 1
  br i1 %97, label %.lr.ph35, label %._crit_edge36, !llvm.loop !26

98:                                               ; preds = %81, %54
  %.pn = phi { ptr, i32 } [ %82, %81 ], [ %55, %54 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #4
  br label %99

99:                                               ; preds = %98, %46
  %.pn21 = phi { ptr, i32 } [ %47, %46 ], [ %.pn, %98 ]
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  br label %100

100:                                              ; preds = %99, %20
  %.pn21.pn = phi { ptr, i32 } [ %.pn21, %99 ], [ %21, %20 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  resume { ptr, i32 } %.pn21.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2IN9__gnu_cxx17__normal_iteratorIPS1_S3_EEvEET_S9_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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, !7, i64 0}
!6 = !{!"_ZTS9RadixSort", !7, i64 0, !7, i64 4, !10, i64 8, !15, i64 32}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorIiSaIiEE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!14 = !{!"any pointer", !8, i64 0}
!15 = !{!"_ZTSSt6vectorISt4pairIiiESaIS1_EE", !16, i64 0}
!16 = !{!"_ZTSSt12_Vector_baseISt4pairIiiESaIS1_EE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseISt4pairIiiESaIS1_EE12_Vector_implE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseISt4pairIiiESaIS1_EE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!19 = !{!7, !7, i64 0}
!20 = !{!21, !7, i64 4}
!21 = !{!"_ZTSSt4pairIiiE", !7, i64 0, !7, i64 4}
!22 = distinct !{!22, !23}
!23 = !{!"llvm.loop.mustprogress"}
!24 = distinct !{!24, !23}
!25 = !{!21, !7, i64 0}
!26 = distinct !{!26, !23}


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