; LLVM IR from upupming/algorithm :: CCCC-GPLT (L2-025 分而治之)

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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@k = external dso_local global i32, align 4
@aa = external dso_local global [10010 x i32], align 16
@a = external dso_local global [10010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5checkv() #0

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) @m)
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #5
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = add nsw i32 %16, 1
  %18 = sext i32 %17 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #5
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %18, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %19 unwind label %47

19:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  br label %20

20:                                               ; preds = %46, %19
  %21 = load i32, ptr @m, align 4, !tbaa !5
  %22 = add nsw i32 %21, -1
  store i32 %22, ptr @m, align 4, !tbaa !5
  %23 = icmp ne i32 %21, 0
  br i1 %23, label %24, label %55

24:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %26 unwind label %51

26:                                               ; preds = %24
  %27 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %28 unwind label %51

28:                                               ; preds = %26
  %29 = load i32, ptr %6, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [10010 x i32], ptr @aa, i64 0, i64 %30
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %31, align 4, !tbaa !5
  %34 = load i32, ptr %7, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [10010 x i32], ptr @aa, i64 0, i64 %35
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %36, align 4, !tbaa !5
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %40) #5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %41, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %42 unwind label %51

42:                                               ; preds = %28
  %43 = load i32, ptr %7, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %44) #5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %45, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %46 unwind label %51

46:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %20, !llvm.loop !9

47:                                               ; preds = %0
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %4, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %5, align 4
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  br label %139

51:                                               ; preds = %42, %28, %26, %24
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %4, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %138

55:                                               ; preds = %20
  %56 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @k)
          to label %57 unwind label %70

57:                                               ; preds = %55
  br label %58

58:                                               ; preds = %134, %57
  %59 = load i32, ptr @k, align 4, !tbaa !5
  %60 = add nsw i32 %59, -1
  store i32 %60, ptr @k, align 4, !tbaa !5
  %61 = icmp ne i32 %59, 0
  br i1 %61, label %62, label %136

62:                                               ; preds = %58
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  %63 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %64 unwind label %74

64:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 1, ptr %10, align 4, !tbaa !5
  br label %65

65:                                               ; preds = %86, %64
  %66 = load i32, ptr %10, align 4, !tbaa !5
  %67 = load i32, ptr @n, align 4, !tbaa !5
  %68 = icmp sle i32 %66, %67
  br i1 %68, label %78, label %69

69:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %89

70:                                               ; preds = %55
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %4, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %5, align 4
  br label %138

74:                                               ; preds = %133, %62
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %4, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %5, align 4
  br label %135

78:                                               ; preds = %65
  %79 = load i32, ptr %10, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [10010 x i32], ptr @aa, i64 0, i64 %80
  %82 = load i32, ptr %81, align 4, !tbaa !5
  %83 = load i32, ptr %10, align 4, !tbaa !5
  %84 = sext i32 %83 to i64
  %85 = getelementptr inbounds [10010 x i32], ptr @a, i64 0, i64 %84
  store i32 %82, ptr %85, align 4, !tbaa !5
  br label %86

86:                                               ; preds = %78
  %87 = load i32, ptr %10, align 4, !tbaa !5
  %88 = add nsw i32 %87, 1
  store i32 %88, ptr %10, align 4, !tbaa !5
  br label %65, !llvm.loop !11

89:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %90

90:                                               ; preds = %130, %89
  %91 = load i32, ptr %11, align 4, !tbaa !5
  %92 = load i32, ptr %8, align 4, !tbaa !5
  %93 = icmp slt i32 %91, %92
  br i1 %93, label %95, label %94

94:                                               ; preds = %90
  store i32 9, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %133

95:                                               ; preds = %90
  %96 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %97 unwind label %110

97:                                               ; preds = %95
  %98 = load i32, ptr %9, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = getelementptr inbounds [10010 x i32], ptr @a, i64 0, i64 %99
  store i32 0, ptr %100, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %101

101:                                              ; preds = %126, %97
  %102 = load i32, ptr %13, align 4, !tbaa !5
  %103 = sext i32 %102 to i64
  %104 = load i32, ptr %9, align 4, !tbaa !5
  %105 = sext i32 %104 to i64
  %106 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %105) #5
  %107 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %106) #5
  %108 = icmp ult i64 %103, %107
  br i1 %108, label %114, label %109

109:                                              ; preds = %101
  store i32 12, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  br label %129

110:                                              ; preds = %95
  %111 = landingpad { ptr, i32 }
          cleanup
  %112 = extractvalue { ptr, i32 } %111, 0
  store ptr %112, ptr %4, align 8
  %113 = extractvalue { ptr, i32 } %111, 1
  store i32 %113, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %135

114:                                              ; preds = %101
  %115 = load i32, ptr %9, align 4, !tbaa !5
  %116 = sext i32 %115 to i64
  %117 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %116) #5
  %118 = load i32, ptr %13, align 4, !tbaa !5
  %119 = sext i32 %118 to i64
  %120 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %117, i64 noundef %119) #5
  %121 = load i32, ptr %120, align 4, !tbaa !5
  %122 = sext i32 %121 to i64
  %123 = getelementptr inbounds [10010 x i32], ptr @a, i64 0, i64 %122
  %124 = load i32, ptr %123, align 4, !tbaa !5
  %125 = add nsw i32 %124, -1
  store i32 %125, ptr %123, align 4, !tbaa !5
  br label %126

126:                                              ; preds = %114
  %127 = load i32, ptr %13, align 4, !tbaa !5
  %128 = add nsw i32 %127, 1
  store i32 %128, ptr %13, align 4, !tbaa !5
  br label %101, !llvm.loop !12

129:                                              ; preds = %109
  br label %130

130:                                              ; preds = %129
  %131 = load i32, ptr %11, align 4, !tbaa !5
  %132 = add nsw i32 %131, 1
  store i32 %132, ptr %11, align 4, !tbaa !5
  br label %90, !llvm.loop !13

133:                                              ; preds = %94
  invoke void @_Z5checkv()
          to label %134 unwind label %74

134:                                              ; preds = %133
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %58, !llvm.loop !14

135:                                              ; preds = %110, %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %138

136:                                              ; preds = %58
  store i32 0, ptr %1, align 4
  store i32 1, ptr %12, align 4
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #5
  %137 = load i32, ptr %1, align 4
  ret i32 %137

138:                                              ; preds = %135, %70, %51
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  br label %139

139:                                              ; preds = %138, %47
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #5
  br label %140

140:                                              ; preds = %139
  %141 = load ptr, ptr %4, align 8
  %142 = load i32, ptr %5, align 4
  %143 = insertvalue { ptr, i32 } poison, ptr %141, 0
  %144 = insertvalue { ptr, i32 } %143, i32 %142, 1
  resume { ptr, i32 } %144
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 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) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress 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 #5 = { 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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@k = external dso_local global i32, align 4
@aa = external dso_local local_unnamed_addr global [10010 x i32], align 16
@a = external dso_local local_unnamed_addr global [10010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5checkv() local_unnamed_addr #0

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca %"class.std::allocator", align 1
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %8 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(4) @m)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  %9 = load i32, ptr @n, align 4, !tbaa !5
  %10 = add nsw i32 %9, 1
  %11 = sext i32 %10 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #6
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #6
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %11, ptr noundef nonnull align 1 dereferenceable(1) %2)
          to label %12 unwind label %37

12:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #6
  %13 = load i32, ptr @m, align 4, !tbaa !5
  %14 = add nsw i32 %13, -1
  store i32 %14, ptr @m, align 4, !tbaa !5
  %.not26 = icmp eq i32 %13, 0
  br i1 %.not26, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %12, %34
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %15 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %16 unwind label %39

16:                                               ; preds = %.lr.ph
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %18 unwind label %39

18:                                               ; preds = %16
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [10010 x i32], ptr @aa, i64 0, i64 %20
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %21, align 4, !tbaa !5
  %24 = load i32, ptr %4, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [10010 x i32], ptr @aa, i64 0, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %26, align 4, !tbaa !5
  %29 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %20) #6
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %29, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %30 unwind label %39

30:                                               ; preds = %18
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %32) #6
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %33, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %34 unwind label %39

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  %35 = load i32, ptr @m, align 4, !tbaa !5
  %36 = add nsw i32 %35, -1
  store i32 %36, ptr @m, align 4, !tbaa !5
  %.not = icmp eq i32 %35, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

37:                                               ; preds = %0
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #6
  br label %85

39:                                               ; preds = %30, %18, %16, %.lr.ph
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  br label %84

._crit_edge:                                      ; preds = %34, %12
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @k)
          to label %.preheader25 unwind label %50

.preheader25:                                     ; preds = %._crit_edge
  %42 = load i32, ptr @k, align 4, !tbaa !5
  %43 = add nsw i32 %42, -1
  store i32 %43, ptr @k, align 4, !tbaa !5
  %.not1837 = icmp eq i32 %42, 0
  br i1 %.not1837, label %._crit_edge39, label %.lr.ph38

.lr.ph38:                                         ; preds = %.preheader25, %80
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %.preheader24 unwind label %52

.preheader24:                                     ; preds = %.lr.ph38
  %45 = load i32, ptr @n, align 4, !tbaa !5
  %.not1927 = icmp slt i32 %45, 1
  br i1 %.not1927, label %.preheader, label %.lr.ph29.preheader

.lr.ph29.preheader:                               ; preds = %.preheader24
  %46 = zext nneg i32 %45 to i64
  %47 = shl nuw nsw i64 %46, 2
  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 4 getelementptr inbounds (i8, ptr @a, i64 4), ptr nonnull align 4 getelementptr inbounds (i8, ptr @aa, i64 4), i64 %47, i1 false), !tbaa !5
  br label %.preheader

.preheader:                                       ; preds = %.lr.ph29.preheader, %.preheader24
  %48 = load i32, ptr %5, align 4, !tbaa !5
  %49 = icmp sgt i32 %48, 0
  br i1 %49, label %.lr.ph35, label %._crit_edge36

50:                                               ; preds = %._crit_edge
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %84

52:                                               ; preds = %._crit_edge36, %.lr.ph38
  %53 = landingpad { ptr, i32 }
          cleanup
  br label %83

._crit_edge36:                                    ; preds = %._crit_edge33, %.preheader
  invoke void @_Z5checkv()
          to label %80 unwind label %52

.lr.ph35:                                         ; preds = %.preheader, %._crit_edge33
  %.01134 = phi i32 [ %61, %._crit_edge33 ], [ 0, %.preheader ]
  %54 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %55 unwind label %64

55:                                               ; preds = %.lr.ph35
  %56 = load i32, ptr %6, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [10010 x i32], ptr @a, i64 0, i64 %57
  store i32 0, ptr %58, align 4, !tbaa !5
  %59 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %57) #6
  %60 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %59) #6
  %.not40 = icmp eq i64 %60, 0
  br i1 %.not40, label %._crit_edge33, label %.lr.ph32

._crit_edge33:                                    ; preds = %.lr.ph32, %55
  %61 = add nuw nsw i32 %.01134, 1
  %62 = load i32, ptr %5, align 4, !tbaa !5
  %63 = icmp slt i32 %61, %62
  br i1 %63, label %.lr.ph35, label %._crit_edge36, !llvm.loop !11

64:                                               ; preds = %.lr.ph35
  %65 = landingpad { ptr, i32 }
          cleanup
  br label %83

.lr.ph32:                                         ; preds = %55, %.lr.ph32
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph32 ], [ 0, %55 ]
  %66 = load i32, ptr %6, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %67) #6
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %68, i64 noundef %indvars.iv) #6
  %70 = load i32, ptr %69, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [10010 x i32], ptr @a, i64 0, i64 %71
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = add nsw i32 %73, -1
  store i32 %74, ptr %72, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %75 = load i32, ptr %6, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %76) #6
  %78 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %77) #6
  %79 = icmp ugt i64 %78, %indvars.iv.next
  br i1 %79, label %.lr.ph32, label %._crit_edge33, !llvm.loop !12

80:                                               ; preds = %._crit_edge36
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  %81 = load i32, ptr @k, align 4, !tbaa !5
  %82 = add nsw i32 %81, -1
  store i32 %82, ptr @k, align 4, !tbaa !5
  %.not18 = icmp eq i32 %81, 0
  br i1 %.not18, label %._crit_edge39, label %.lr.ph38, !llvm.loop !13

83:                                               ; preds = %64, %52
  %.pn = phi { ptr, i32 } [ %65, %64 ], [ %53, %52 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  br label %84

._crit_edge39:                                    ; preds = %80, %.preheader25
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  ret i32 0

84:                                               ; preds = %83, %50, %39
  %.pn21 = phi { ptr, i32 } [ %40, %39 ], [ %.pn, %83 ], [ %51, %50 ]
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  br label %85

85:                                               ; preds = %84, %37
  %.pn21.pn = phi { ptr, i32 } [ %.pn21, %84 ], [ %38, %37 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn21.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 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 #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress 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 #5 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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