; LLVM IR from xirc/cp-algorithm :: aoj/CGL/CGL4B (main)

; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.base", %"struct.std::_Head_base.3" }
%"struct.std::_Tuple_impl.base" = type <{ %"struct.std::_Tuple_impl.1", %"struct.std::_Head_base.2" }>
%"struct.std::_Tuple_impl.1" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { double }
%"struct.std::_Head_base.2" = type { i32 }
%"struct.std::_Head_base.3" = type { i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl" }
%"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl" = type { %"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl_data" }
%"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::tuple.4" = type { %"struct.std::_Tuple_impl.5" }
%"struct.std::_Tuple_impl.5" = type { %"struct.std::_Tuple_impl.6", %"struct.std::_Head_base.10" }
%"struct.std::_Tuple_impl.6" = type { %"struct.std::_Tuple_impl.7", %"struct.std::_Head_base.9" }
%"struct.std::_Tuple_impl.7" = type { %"struct.std::_Head_base.8" }
%"struct.std::_Head_base.8" = type { ptr }
%"struct.std::_Head_base.9" = type { ptr }
%"struct.std::_Head_base.10" = type { ptr }
%"struct.std::_Setprecision" = type { i32 }
%struct.vector2 = type { double, double }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15convex_diameterRKSt6vectorI7vector2SaIS0_EE(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #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 i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca double, align 8
  %11 = alloca %"class.std::tuple", align 8
  %12 = alloca %"class.std::tuple.4", align 8
  %13 = alloca %"struct.std::_Setprecision", align 4
  store i32 0, ptr %1, align 4
  %14 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %15 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %16 = getelementptr i8, ptr %15, i64 -24
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %17
  %19 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %18, ptr noundef null)
  %20 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %21 = getelementptr i8, ptr %20, i64 -24
  %22 = load i64, ptr %21, align 8
  %23 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %22
  %24 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %23, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #7
  %26 = load i32, ptr %2, align 4, !tbaa !8
  %27 = sext i32 %26 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #7
  call void @_ZNSaI7vector2EC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorI7vector2SaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %27, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %28 unwind label %34

28:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !8
  br label %29

29:                                               ; preds = %51, %28
  %30 = load i32, ptr %7, align 4, !tbaa !8
  %31 = load i32, ptr %2, align 4, !tbaa !8
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %38, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %58

34:                                               ; preds = %0
  %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_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  br label %86

38:                                               ; preds = %29
  %39 = load i32, ptr %7, align 4, !tbaa !8
  %40 = sext i32 %39 to i64
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %40) #7
  %42 = getelementptr inbounds %struct.vector2, ptr %41, i32 0, i32 0
  %43 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %42)
          to label %44 unwind label %54

44:                                               ; preds = %38
  %45 = load i32, ptr %7, align 4, !tbaa !8
  %46 = sext i32 %45 to i64
  %47 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %46) #7
  %48 = getelementptr inbounds %struct.vector2, ptr %47, i32 0, i32 1
  %49 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %43, ptr noundef nonnull align 8 dereferenceable(8) %48)
          to label %50 unwind label %54

50:                                               ; preds = %44
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %7, align 4, !tbaa !8
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %7, align 4, !tbaa !8
  br label %29, !llvm.loop !11

54:                                               ; preds = %44, %38
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %5, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %85

58:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #7
  invoke void @_Z15convex_diameterRKSt6vectorI7vector2SaIS0_EE(ptr dead_on_unwind writable sret(%"class.std::tuple") align 8 %11, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %59 unwind label %76

59:                                               ; preds = %58
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #7
  call void @_ZSt3tieIJiidEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind writable sret(%"class.std::tuple.4") align 8 %12, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  %60 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt5tupleIJRiS0_RdEEaSIJiidEEENSt9enable_ifIXcl12__assignableIDpT_EEERS2_E4typeEOS_IJS6_EE(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(16) %11) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #7
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt5fixedRSt8ios_base)
          to label %62 unwind label %80

62:                                               ; preds = %59
  %63 = invoke i32 @_ZSt12setprecisioni(i32 noundef 7)
          to label %64 unwind label %80

64:                                               ; preds = %62
  %65 = getelementptr inbounds %"struct.std::_Setprecision", ptr %13, i32 0, i32 0
  store i32 %63, ptr %65, align 4
  %66 = getelementptr inbounds %"struct.std::_Setprecision", ptr %13, i32 0, i32 0
  %67 = load i32, ptr %66, align 4
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %61, i32 %67)
          to label %69 unwind label %80

69:                                               ; preds = %64
  %70 = load double, ptr %10, align 8, !tbaa !13
  %71 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %68, double noundef %70)
          to label %72 unwind label %80

72:                                               ; preds = %69
  %73 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %71, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %74 unwind label %80

74:                                               ; preds = %72
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %75 = load i32, ptr %1, align 4
  ret i32 %75

76:                                               ; preds = %58
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %5, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #7
  br label %84

80:                                               ; preds = %72, %69, %64, %62, %59
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %5, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %6, align 4
  br label %84

84:                                               ; preds = %80, %76
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %85

85:                                               ; preds = %84, %54
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %86

86:                                               ; preds = %85, %34
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %87

87:                                               ; preds = %86
  %88 = load ptr, ptr %5, align 8
  %89 = load i32, ptr %6, align 4
  %90 = insertvalue { ptr, i32 } poison, ptr %88, 0
  %91 = insertvalue { ptr, i32 } %90, i32 %89, 1
  resume { ptr, i32 } %91
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #4 align 2

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 @_ZNSaI7vector2EC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI7vector2SaIS0_EEC2EmRKS1_(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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJiidEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.4") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt5tupleIJRiS0_RdEEaSIJiidEEENSt9enable_ifIXcl12__assignableIDpT_EEERS2_E4typeEOS_IJS6_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) #5

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #5

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

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorI7vector2ED2Ev(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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !10, i64 0}


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

%"class.std::basic_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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.base", %"struct.std::_Head_base.3" }
%"struct.std::_Tuple_impl.base" = type <{ %"struct.std::_Tuple_impl.1", %"struct.std::_Head_base.2" }>
%"struct.std::_Tuple_impl.1" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { double }
%"struct.std::_Head_base.2" = type { i32 }
%"struct.std::_Head_base.3" = type { i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl" }
%"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl" = type { %"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl_data" }
%"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::tuple.4" = type { %"struct.std::_Tuple_impl.5" }
%"struct.std::_Tuple_impl.5" = type { %"struct.std::_Tuple_impl.6", %"struct.std::_Head_base.10" }
%"struct.std::_Tuple_impl.6" = type { %"struct.std::_Tuple_impl.7", %"struct.std::_Head_base.9" }
%"struct.std::_Tuple_impl.7" = type { %"struct.std::_Head_base.8" }
%"struct.std::_Head_base.8" = type { ptr }
%"struct.std::_Head_base.9" = type { ptr }
%"struct.std::_Head_base.10" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15convex_diameterRKSt6vectorI7vector2SaIS0_EE(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 8, ptr noundef nonnull align 8 dereferenceable(24)) 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 i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca double, align 8
  %7 = alloca %"class.std::tuple", align 8
  %8 = alloca %"class.std::tuple.4", align 8
  %9 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %10 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %11 = getelementptr i8, ptr %10, i64 -24
  %12 = load i64, ptr %11, align 8
  %13 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %12
  %14 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %13, ptr noundef null)
  %15 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %16 = getelementptr i8, ptr %15, i64 -24
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %17
  %19 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %18, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  %21 = load i32, ptr %1, align 4, !tbaa !8
  %22 = sext i32 %21 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #7
  call void @_ZNSaI7vector2EC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  invoke void @_ZNSt6vectorI7vector2SaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %22, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %23 unwind label %26

23:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  %24 = load i32, ptr %1, align 4, !tbaa !8
  %25 = icmp sgt i32 %24, 0
  br i1 %25, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %34, %23
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #7
  invoke void @_Z15convex_diameterRKSt6vectorI7vector2SaIS0_EE(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple") align 8 %7, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %40 unwind label %52

26:                                               ; preds = %0
  %27 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  br label %58

.lr.ph:                                           ; preds = %23, %34
  %indvars.iv = phi i64 [ %indvars.iv.next, %34 ], [ 0, %23 ]
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %28)
          to label %30 unwind label %38

30:                                               ; preds = %.lr.ph
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %32 = getelementptr inbounds i8, ptr %31, i64 8
  %33 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 8 dereferenceable(8) %32)
          to label %34 unwind label %38

34:                                               ; preds = %30
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %35 = load i32, ptr %1, align 4, !tbaa !8
  %36 = sext i32 %35 to i64
  %37 = icmp slt i64 %indvars.iv.next, %36
  br i1 %37, label %.lr.ph, label %._crit_edge, !llvm.loop !11

38:                                               ; preds = %30, %.lr.ph
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %57

40:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #7
  call void @_ZSt3tieIJiidEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple.4") align 8 %8, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #7
  %41 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt5tupleIJRiS0_RdEEaSIJiidEEENSt9enable_ifIXcl12__assignableIDpT_EEERS2_E4typeEOS_IJS6_EE(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(16) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #7
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt5fixedRSt8ios_base)
          to label %43 unwind label %54

43:                                               ; preds = %40
  %44 = call i32 @_ZSt12setprecisioni(i32 noundef 7)
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %42, i32 %44)
          to label %46 unwind label %54

46:                                               ; preds = %43
  %47 = load double, ptr %6, align 8, !tbaa !13
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %45, double noundef %47)
          to label %49 unwind label %54

49:                                               ; preds = %46
  %50 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %48, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %51 unwind label %54

51:                                               ; preds = %49
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

52:                                               ; preds = %._crit_edge
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #7
  br label %56

54:                                               ; preds = %49, %46, %43, %40
  %55 = landingpad { ptr, i32 }
          cleanup
  br label %56

56:                                               ; preds = %54, %52
  %.pn = phi { ptr, i32 } [ %55, %54 ], [ %53, %52 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %57

57:                                               ; preds = %56, %38
  %.pn11 = phi { ptr, i32 } [ %39, %38 ], [ %.pn, %56 ]
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %58

58:                                               ; preds = %57, %26
  %.pn11.pn = phi { ptr, i32 } [ %.pn11, %57 ], [ %27, %26 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn11.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #4 align 2

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 @_ZNSaI7vector2EC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI7vector2SaIS0_EEC2EmRKS1_(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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJiidEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.4") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt5tupleIJRiS0_RdEEaSIJiidEEENSt9enable_ifIXcl12__assignableIDpT_EEERS2_E4typeEOS_IJS6_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) local_unnamed_addr #5

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #5

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

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorI7vector2ED2Ev(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 = { 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !10, i64 0}


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