; LLVM IR from MtSaka/library :: test/yosupo/graph/maximum_independent_set.test/Z21MaximumIndependentSetRKSt6ve_5c8240fa (EE)

; 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.1" = type { %"struct.std::_Vector_base.2" }
%"struct.std::_Vector_base.2" = type { %"struct.std::_Vector_base<unsigned long long, std::allocator<unsigned long long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long long, std::allocator<unsigned long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long long, std::allocator<unsigned long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long long, std::allocator<unsigned long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.3" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%struct.REC = type { %class.anon }
%class.anon = type { ptr, ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z21MaximumIndependentSetRKSt6vectorIS_IiSaIiEESaIS1_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector.1", align 8
  %5 = alloca %"class.std::allocator.3", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i64, align 8
  %16 = alloca %struct.REC, align 8
  %17 = alloca %class.anon, align 8
  %18 = alloca i32, align 4
  %19 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %20) #4
  %22 = trunc i64 %21 to i32
  store i32 %22, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #4
  %23 = load i32, ptr %3, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #4
  call void @_ZNSaIyEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt6vectorIySaIyEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %24, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %25 unwind label %32

25:                                               ; preds = %1
  call void @_ZNSt15__new_allocatorIyED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  store i64 0, ptr %8, align 8, !tbaa !11
  br label %26

26:                                               ; preds = %62, %25
  %27 = load i64, ptr %8, align 8, !tbaa !11
  %28 = load i32, ptr %3, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = icmp slt i64 %27, %29
  br i1 %30, label %36, label %31

31:                                               ; preds = %26
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %65

32:                                               ; preds = %1
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %6, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIyED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #4
  br label %86

36:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %37 = load ptr, ptr %2, align 8, !tbaa !5
  %38 = load i64, ptr %8, align 8, !tbaa !11
  %39 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %37, i64 noundef %38) #4
  store ptr %39, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %40 = load ptr, ptr %10, align 8, !tbaa !5
  %41 = call ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %40) #4
  %42 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %41, ptr %42, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %43 = load ptr, ptr %10, align 8, !tbaa !5
  %44 = call ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %43) #4
  %45 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %44, ptr %45, align 8
  br label %46

46:                                               ; preds = %59, %36
  %47 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  br i1 %47, label %49, label %48

48:                                               ; preds = %46
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %61

49:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  store ptr %50, ptr %13, align 8, !tbaa !5
  %51 = load ptr, ptr %13, align 8, !tbaa !5
  %52 = load i32, ptr %51, align 4, !tbaa !9
  %53 = zext i32 %52 to i64
  %54 = shl i64 1, %53
  %55 = load i64, ptr %8, align 8, !tbaa !11
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIySaIyEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %55) #4
  %57 = load i64, ptr %56, align 8, !tbaa !11
  %58 = or i64 %57, %54
  store i64 %58, ptr %56, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %59

59:                                               ; preds = %49
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  br label %46

61:                                               ; preds = %48
  br label %62

62:                                               ; preds = %61
  %63 = load i64, ptr %8, align 8, !tbaa !11
  %64 = add nsw i64 %63, 1
  store i64 %64, ptr %8, align 8, !tbaa !11
  br label %26, !llvm.loop !13

65:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  store i32 0, ptr %14, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  store i64 0, ptr %15, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 32, ptr %16) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #4
  %66 = getelementptr inbounds %class.anon, ptr %17, i32 0, i32 0
  store ptr %3, ptr %66, align 8, !tbaa !5
  %67 = getelementptr inbounds %class.anon, ptr %17, i32 0, i32 1
  store ptr %4, ptr %67, align 8, !tbaa !5
  %68 = getelementptr inbounds %class.anon, ptr %17, i32 0, i32 2
  store ptr %14, ptr %68, align 8, !tbaa !5
  %69 = getelementptr inbounds %class.anon, ptr %17, i32 0, i32 3
  store ptr %15, ptr %69, align 8, !tbaa !5
  invoke void @"_ZN3RECIZ21MaximumIndependentSetRKSt6vectorIS0_IiSaIiEESaIS2_EEE3$_0EC2EOS7_"(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull align 8 dereferenceable(32) %17)
          to label %70 unwind label %77

70:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #4
  store i32 0, ptr %18, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  %71 = load i32, ptr %3, align 4, !tbaa !9
  %72 = zext i32 %71 to i64
  %73 = shl i64 1, %72
  %74 = sub i64 %73, 1
  store i64 %74, ptr %19, align 8, !tbaa !11
  invoke void @"_ZNK3RECIZ21MaximumIndependentSetRKSt6vectorIS0_IiSaIiEESaIS2_EEE3$_0EclIJiyEEEDaDpOT_"(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull align 4 dereferenceable(4) %18, ptr noundef nonnull align 8 dereferenceable(8) %19)
          to label %75 unwind label %81

75:                                               ; preds = %70
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #4
  %76 = load i64, ptr %15, align 8, !tbaa !11
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @_ZNSt6vectorIySaIyEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret i64 %76

77:                                               ; preds = %65
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %6, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  br label %85

81:                                               ; preds = %70
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %6, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #4
  br label %85

85:                                               ; preds = %81, %77
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @_ZNSt6vectorIySaIyEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  br label %86

86:                                               ; preds = %85, %32
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %87

87:                                               ; preds = %86
  %88 = load ptr, ptr %6, align 8
  %89 = load i32, ptr %7, align 4
  %90 = insertvalue { ptr, i32 } poison, ptr %88, 0
  %91 = insertvalue { ptr, i32 } %90, i32 %89, 1
  resume { ptr, i32 } %91
}

; 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 noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIyEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIySaIyEEC2EmRKS0_(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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIySaIyEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @"_ZN3RECIZ21MaximumIndependentSetRKSt6vectorIS0_IiSaIiEESaIS2_EEE3$_0EC2EOS7_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZNK3RECIZ21MaximumIndependentSetRKSt6vectorIS0_IiSaIiEESaIS2_EEE3$_0EclIJiyEEEDaDpOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIySaIyEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIyED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

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

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


; 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.1" = type { %"struct.std::_Vector_base.2" }
%"struct.std::_Vector_base.2" = type { %"struct.std::_Vector_base<unsigned long long, std::allocator<unsigned long long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long long, std::allocator<unsigned long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long long, std::allocator<unsigned long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long long, std::allocator<unsigned long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.3" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%struct.REC = type { %class.anon }
%class.anon = type { ptr, ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z21MaximumIndependentSetRKSt6vectorIS_IiSaIiEESaIS1_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector.1", align 8
  %4 = alloca %"class.std::allocator.3", align 1
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca %struct.REC, align 8
  %10 = alloca %class.anon, align 8
  %11 = alloca i32, align 4
  %12 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  %13 = tail call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %14 = trunc i64 %13 to i32
  store i32 %14, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  %sext = shl i64 %13, 32
  %15 = ashr exact i64 %sext, 32
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSaIyEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt6vectorIySaIyEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %15, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %16 unwind label %25

16:                                               ; preds = %1
  call void @_ZNSt15__new_allocatorIyED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  %17 = icmp sgt i32 %14, 0
  br i1 %17, label %.lr.ph15.preheader, label %._crit_edge16

.lr.ph15.preheader:                               ; preds = %16
  %18 = and i64 %13, 2147483647
  br label %.lr.ph15

._crit_edge16:                                    ; preds = %._crit_edge, %16
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #4
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  store i64 0, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %10) #4
  store ptr %2, ptr %10, align 8, !tbaa !11
  %19 = getelementptr inbounds i8, ptr %10, i64 8
  store ptr %3, ptr %19, align 8, !tbaa !11
  %20 = getelementptr inbounds i8, ptr %10, i64 16
  store ptr %7, ptr %20, align 8, !tbaa !11
  %21 = getelementptr inbounds i8, ptr %10, i64 24
  store ptr %8, ptr %21, align 8, !tbaa !11
  call void @"_ZN3RECIZ21MaximumIndependentSetRKSt6vectorIS0_IiSaIiEESaIS2_EEE3$_0EC2EOS7_"(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef nonnull align 8 dereferenceable(32) %10)
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #4
  store i32 0, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #4
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = zext nneg i32 %22 to i64
  %notmask = shl nsw i64 -1, %23
  %24 = xor i64 %notmask, -1
  store i64 %24, ptr %12, align 8, !tbaa !9
  invoke void @"_ZNK3RECIZ21MaximumIndependentSetRKSt6vectorIS0_IiSaIiEESaIS2_EEE3$_0EclIJiyEEEDaDpOT_"(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %42 unwind label %44

25:                                               ; preds = %1
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIyED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  br label %46

.lr.ph15:                                         ; preds = %.lr.ph15.preheader, %._crit_edge
  %.01113 = phi i64 [ %31, %._crit_edge ], [ 0, %.lr.ph15.preheader ]
  %27 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01113) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %28 = call ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #4
  store ptr %28, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %29 = call ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #4
  store ptr %29, ptr %6, align 8
  %30 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %30, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph15
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %31 = add nuw nsw i64 %.01113, 1
  %32 = icmp ult i64 %31, %18
  br i1 %32, label %.lr.ph15, label %._crit_edge16, !llvm.loop !13

.lr.ph:                                           ; preds = %.lr.ph15, %.lr.ph
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = zext nneg i32 %34 to i64
  %36 = shl nuw i64 1, %35
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIySaIyEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.01113) #4
  %38 = load i64, ptr %37, align 8, !tbaa !9
  %39 = or i64 %38, %36
  store i64 %39, ptr %37, align 8, !tbaa !9
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %41 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %41, label %.lr.ph, label %._crit_edge

42:                                               ; preds = %._crit_edge16
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #4
  %43 = load i64, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  call void @_ZNSt6vectorIySaIyEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  ret i64 %43

44:                                               ; preds = %._crit_edge16
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  call void @_ZNSt6vectorIySaIyEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  br label %46

46:                                               ; preds = %44, %25
  %.pn = phi { ptr, i32 } [ %45, %44 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  resume { ptr, i32 } %.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 noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIyEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIySaIyEEC2EmRKS0_(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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIySaIyEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @"_ZN3RECIZ21MaximumIndependentSetRKSt6vectorIS0_IiSaIiEESaIS2_EEE3$_0EC2EOS7_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZNK3RECIZ21MaximumIndependentSetRKSt6vectorIS0_IiSaIiEESaIS2_EEE3$_0EclIJiyEEEDaDpOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIySaIyEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIyED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

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

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


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