; LLVM IR from xirc/cp-algorithm :: atcoder/abc096/D/main.ll (Z5seivei)

; 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" = 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::vector.0" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.4" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5seivei(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, i32 noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca i8, align 1
  %7 = alloca %"class.std::allocator.4", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::_Bit_reference", align 8
  %11 = alloca %"struct.std::_Bit_reference", align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::_Bit_reference", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"struct.std::_Bit_reference", align 8
  %17 = alloca i1, align 1
  %18 = alloca i32, align 4
  %19 = alloca %"struct.std::_Bit_reference", align 8
  store ptr %0, ptr %3, align 8
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %5) #3
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = add nsw i32 %20, 1
  %22 = sext i32 %21 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #3
  store i8 1, ptr %6, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #3
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %22, ptr noundef nonnull align 1 dereferenceable(1) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %23 unwind label %45

23:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #3
  %24 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef 1)
          to label %25 unwind label %49

25:                                               ; preds = %23
  %26 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 0
  %27 = extractvalue { ptr, i64 } %24, 0
  store ptr %27, ptr %26, align 8
  %28 = getelementptr inbounds { ptr, i64 }, ptr %10, i32 0, i32 1
  %29 = extractvalue { ptr, i64 } %24, 1
  store i64 %29, ptr %28, align 8
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %10, i1 noundef zeroext false) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #3
  %31 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef 0)
          to label %32 unwind label %53

32:                                               ; preds = %25
  %33 = getelementptr inbounds { ptr, i64 }, ptr %11, i32 0, i32 0
  %34 = extractvalue { ptr, i64 } %31, 0
  store ptr %34, ptr %33, align 8
  %35 = getelementptr inbounds { ptr, i64 }, ptr %11, i32 0, i32 1
  %36 = extractvalue { ptr, i64 } %31, 1
  store i64 %36, ptr %35, align 8
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSERKS_(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(16) %30) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  store i32 2, ptr %12, align 4, !tbaa !5
  br label %38

38:                                               ; preds = %101, %32
  %39 = load i32, ptr %12, align 4, !tbaa !5
  %40 = load i32, ptr %12, align 4, !tbaa !5
  %41 = mul nsw i32 %39, %40
  %42 = load i32, ptr %4, align 4, !tbaa !5
  %43 = icmp sle i32 %41, %42
  br i1 %43, label %58, label %44

44:                                               ; preds = %38
  store i32 2, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %105

45:                                               ; preds = %2
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %8, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  br label %141

49:                                               ; preds = %23
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %8, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %9, align 4
  br label %57

53:                                               ; preds = %25
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %8, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #3
  br label %57

57:                                               ; preds = %53, %49
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #3
  br label %140

58:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #3
  %59 = load i32, ptr %12, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %60)
          to label %62 unwind label %70

62:                                               ; preds = %58
  %63 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 0
  %64 = extractvalue { ptr, i64 } %61, 0
  store ptr %64, ptr %63, align 8
  %65 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 1
  %66 = extractvalue { ptr, i64 } %61, 1
  store i64 %66, ptr %65, align 8
  %67 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %14) #3
  %68 = xor i1 %67, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #3
  br i1 %68, label %69, label %74

69:                                               ; preds = %62
  br label %101

70:                                               ; preds = %58
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %8, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #3
  br label %104

74:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  %75 = load i32, ptr %12, align 4, !tbaa !5
  %76 = mul nsw i32 %75, 2
  store i32 %76, ptr %15, align 4, !tbaa !5
  br label %77

77:                                               ; preds = %92, %74
  %78 = load i32, ptr %15, align 4, !tbaa !5
  %79 = load i32, ptr %4, align 4, !tbaa !5
  %80 = icmp sle i32 %78, %79
  br i1 %80, label %82, label %81

81:                                               ; preds = %77
  store i32 5, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  br label %100

82:                                               ; preds = %77
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #3
  %83 = load i32, ptr %15, align 4, !tbaa !5
  %84 = sext i32 %83 to i64
  %85 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %84)
          to label %86 unwind label %96

86:                                               ; preds = %82
  %87 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 0
  %88 = extractvalue { ptr, i64 } %85, 0
  store ptr %88, ptr %87, align 8
  %89 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 1
  %90 = extractvalue { ptr, i64 } %85, 1
  store i64 %90, ptr %89, align 8
  %91 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %16, i1 noundef zeroext false) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #3
  br label %92

92:                                               ; preds = %86
  %93 = load i32, ptr %12, align 4, !tbaa !5
  %94 = load i32, ptr %15, align 4, !tbaa !5
  %95 = add nsw i32 %94, %93
  store i32 %95, ptr %15, align 4, !tbaa !5
  br label %77, !llvm.loop !11

96:                                               ; preds = %82
  %97 = landingpad { ptr, i32 }
          cleanup
  %98 = extractvalue { ptr, i32 } %97, 0
  store ptr %98, ptr %8, align 8
  %99 = extractvalue { ptr, i32 } %97, 1
  store i32 %99, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  br label %104

100:                                              ; preds = %81
  br label %101

101:                                              ; preds = %100, %69
  %102 = load i32, ptr %12, align 4, !tbaa !5
  %103 = add nsw i32 %102, 1
  store i32 %103, ptr %12, align 4, !tbaa !5
  br label %38, !llvm.loop !13

104:                                              ; preds = %96, %70
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %140

105:                                              ; preds = %44
  store i1 false, ptr %17, align 1
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #3
  store i32 2, ptr %18, align 4, !tbaa !5
  br label %106

106:                                              ; preds = %132, %105
  %107 = load i32, ptr %18, align 4, !tbaa !5
  %108 = load i32, ptr %4, align 4, !tbaa !5
  %109 = icmp sle i32 %107, %108
  br i1 %109, label %111, label %110

110:                                              ; preds = %106
  store i32 8, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #3
  br label %136

111:                                              ; preds = %106
  call void @llvm.lifetime.start.p0(i64 16, ptr %19) #3
  %112 = load i32, ptr %18, align 4, !tbaa !5
  %113 = sext i32 %112 to i64
  %114 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %113)
          to label %115 unwind label %123

115:                                              ; preds = %111
  %116 = getelementptr inbounds { ptr, i64 }, ptr %19, i32 0, i32 0
  %117 = extractvalue { ptr, i64 } %114, 0
  store ptr %117, ptr %116, align 8
  %118 = getelementptr inbounds { ptr, i64 }, ptr %19, i32 0, i32 1
  %119 = extractvalue { ptr, i64 } %114, 1
  store i64 %119, ptr %118, align 8
  %120 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %19) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %19) #3
  br i1 %120, label %121, label %131

121:                                              ; preds = %115
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %122 unwind label %127

122:                                              ; preds = %121
  br label %131

123:                                              ; preds = %111
  %124 = landingpad { ptr, i32 }
          cleanup
  %125 = extractvalue { ptr, i32 } %124, 0
  store ptr %125, ptr %8, align 8
  %126 = extractvalue { ptr, i32 } %124, 1
  store i32 %126, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %19) #3
  br label %135

127:                                              ; preds = %121
  %128 = landingpad { ptr, i32 }
          cleanup
  %129 = extractvalue { ptr, i32 } %128, 0
  store ptr %129, ptr %8, align 8
  %130 = extractvalue { ptr, i32 } %128, 1
  store i32 %130, ptr %9, align 4
  br label %135

131:                                              ; preds = %122, %115
  br label %132

132:                                              ; preds = %131
  %133 = load i32, ptr %18, align 4, !tbaa !5
  %134 = add nsw i32 %133, 1
  store i32 %134, ptr %18, align 4, !tbaa !5
  br label %106, !llvm.loop !14

135:                                              ; preds = %127, %123
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %140

136:                                              ; preds = %110
  store i1 true, ptr %17, align 1
  store i32 1, ptr %13, align 4
  %137 = load i1, ptr %17, align 1
  br i1 %137, label %139, label %138

138:                                              ; preds = %136
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %139

139:                                              ; preds = %138, %136
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr %5) #3
  ret void

140:                                              ; preds = %135, %104, %57
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #3
  br label %141

141:                                              ; preds = %140, %45
  call void @llvm.lifetime.end.p0(i64 40, ptr %5) #3
  br label %142

142:                                              ; preds = %141
  %143 = load ptr, ptr %8, align 8
  %144 = load i32, ptr %9, align 4
  %145 = insertvalue { ptr, i32 } poison, ptr %143, 0
  %146 = insertvalue { ptr, i32 } %145, i32 %144, 1
  resume { ptr, i32 } %146
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), 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 void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSERKS_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; 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" = 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::vector.0" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.4" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5seivei(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, i32 noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca i8, align 1
  %5 = alloca %"class.std::allocator.4", align 1
  %6 = alloca %"struct.std::_Bit_reference", align 8
  %7 = alloca %"struct.std::_Bit_reference", align 8
  %8 = alloca %"struct.std::_Bit_reference", align 8
  %9 = alloca %"struct.std::_Bit_reference", align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::_Bit_reference", align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #3
  %12 = add nsw i32 %1, 1
  %13 = sext i32 %12 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #3
  store i8 1, ptr %4, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %13, ptr noundef nonnull align 1 dereferenceable(1) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %14 unwind label %30

14:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #3
  %15 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef 1)
          to label %16 unwind label %32

16:                                               ; preds = %14
  %17 = extractvalue { ptr, i64 } %15, 0
  store ptr %17, ptr %6, align 8
  %18 = getelementptr inbounds i8, ptr %6, i64 8
  %19 = extractvalue { ptr, i64 } %15, 1
  store i64 %19, ptr %18, align 8
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %6, i1 noundef zeroext false) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #3
  %21 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef 0)
          to label %22 unwind label %34

22:                                               ; preds = %16
  %23 = extractvalue { ptr, i64 } %21, 0
  store ptr %23, ptr %7, align 8
  %24 = getelementptr inbounds i8, ptr %7, i64 8
  %25 = extractvalue { ptr, i64 } %21, 1
  store i64 %25, ptr %24, align 8
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSERKS_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(16) %20) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  %.not35 = icmp slt i32 %1, 4
  br i1 %.not35, label %._crit_edge, label %.lr.ph38

.lr.ph38:                                         ; preds = %22
  %27 = getelementptr inbounds i8, ptr %8, i64 8
  %28 = getelementptr inbounds i8, ptr %9, i64 8
  br label %37

._crit_edge:                                      ; preds = %.loopexit, %22
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #3
  store i32 2, ptr %10, align 4, !tbaa !9
  %.not2539 = icmp slt i32 %1, 2
  br i1 %.not2539, label %._crit_edge43, label %.lr.ph42

.lr.ph42:                                         ; preds = %._crit_edge
  %29 = getelementptr inbounds i8, ptr %11, i64 8
  br label %56

30:                                               ; preds = %2
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  br label %73

32:                                               ; preds = %14
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %36

34:                                               ; preds = %16
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #3
  br label %36

36:                                               ; preds = %34, %32
  %.pn = phi { ptr, i32 } [ %35, %34 ], [ %33, %32 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  br label %72

37:                                               ; preds = %.lr.ph38, %.loopexit
  %indvars.iv45 = phi i64 [ 2, %.lr.ph38 ], [ %indvars.iv.next46, %.loopexit ]
  %indvars.iv = phi i64 [ 4, %.lr.ph38 ], [ %indvars.iv.next, %.loopexit ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #3
  %38 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %indvars.iv45)
          to label %39 unwind label %44

39:                                               ; preds = %37
  %40 = extractvalue { ptr, i64 } %38, 0
  store ptr %40, ptr %8, align 8
  %41 = extractvalue { ptr, i64 } %38, 1
  store i64 %41, ptr %27, align 8
  %42 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %8) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #3
  %indvars.iv45.tr = trunc i64 %indvars.iv45 to i32
  %43 = shl i32 %indvars.iv45.tr, 1
  %.not2833 = icmp sle i32 %43, %1
  %or.cond.not = and i1 %42, %.not2833
  br i1 %or.cond.not, label %.lr.ph, label %.loopexit

44:                                               ; preds = %37
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #3
  br label %72

.lr.ph:                                           ; preds = %39, %47
  %indvars.iv47 = phi i64 [ %indvars.iv.next48, %47 ], [ %indvars.iv, %39 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #3
  %46 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %indvars.iv47)
          to label %47 unwind label %52

47:                                               ; preds = %.lr.ph
  %48 = extractvalue { ptr, i64 } %46, 0
  store ptr %48, ptr %9, align 8
  %49 = extractvalue { ptr, i64 } %46, 1
  store i64 %49, ptr %28, align 8
  %50 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %9, i1 noundef zeroext false) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #3
  %indvars.iv.next48 = add nuw nsw i64 %indvars.iv47, %indvars.iv45
  %51 = trunc nuw i64 %indvars.iv.next48 to i32
  %.not28 = icmp sgt i32 %51, %1
  br i1 %.not28, label %.loopexit, label %.lr.ph, !llvm.loop !11

52:                                               ; preds = %.lr.ph
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #3
  br label %72

.loopexit:                                        ; preds = %47, %39
  %indvars.iv.next46 = add nuw nsw i64 %indvars.iv45, 1
  %54 = mul nuw nsw i64 %indvars.iv.next46, %indvars.iv.next46
  %55 = trunc nuw i64 %54 to i32
  %.not = icmp sgt i32 %55, %1
  %indvars.iv.next = add i64 %indvars.iv, 2
  br i1 %.not, label %._crit_edge, label %37, !llvm.loop !13

._crit_edge43:                                    ; preds = %68, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #3
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #3
  ret void

56:                                               ; preds = %.lr.ph42, %68
  %storemerge40 = phi i32 [ 2, %.lr.ph42 ], [ %70, %68 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %11) #3
  %57 = sext i32 %storemerge40 to i64
  %58 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %3, i64 noundef %57)
          to label %59 unwind label %64

59:                                               ; preds = %56
  %60 = extractvalue { ptr, i64 } %58, 0
  store ptr %60, ptr %11, align 8
  %61 = extractvalue { ptr, i64 } %58, 1
  store i64 %61, ptr %29, align 8
  %62 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %11) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %11) #3
  br i1 %62, label %63, label %68

63:                                               ; preds = %59
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %68 unwind label %66

64:                                               ; preds = %56
  %65 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %11) #3
  br label %71

66:                                               ; preds = %63
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %71

68:                                               ; preds = %59, %63
  %69 = load i32, ptr %10, align 4, !tbaa !9
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %10, align 4, !tbaa !9
  %.not25.not = icmp slt i32 %69, %1
  br i1 %.not25.not, label %56, label %._crit_edge43, !llvm.loop !14

71:                                               ; preds = %66, %64
  %.pn26 = phi { ptr, i32 } [ %67, %66 ], [ %65, %64 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %72

72:                                               ; preds = %44, %52, %71, %36
  %.pn29.pn = phi { ptr, i32 } [ %.pn26, %71 ], [ %.pn, %36 ], [ %53, %52 ], [ %45, %44 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #3
  br label %73

73:                                               ; preds = %72, %30
  %.pn29.pn.pn = phi { ptr, i32 } [ %.pn29.pn, %72 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #3
  resume { ptr, i32 } %.pn29.pn.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), 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 void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSERKS_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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