; LLVM IR from DionysiosB/CodeForces :: 1851B-ParitySort (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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca i8, align 1
  %17 = alloca i64, align 8
  %18 = alloca i64, align 8
  %19 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %21

21:                                               ; preds = %133, %0
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = add nsw i64 %22, -1
  store i64 %23, ptr %2, align 8, !tbaa !5
  %24 = icmp ne i64 %22, 0
  br i1 %24, label %25, label %139

25:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %26 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %54, %25
  %28 = load i64, ptr %7, align 8, !tbaa !5
  %29 = load i64, ptr %3, align 8, !tbaa !5
  %30 = icmp slt i64 %28, %29
  br i1 %30, label %32, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %58

32:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %33 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %8)
          to label %34 unwind label %43

34:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %35 = load i64, ptr %8, align 8, !tbaa !5
  %36 = srem i64 %35, 2
  store i64 %36, ptr %11, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %37 unwind label %47

37:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  %38 = load i64, ptr %8, align 8, !tbaa !5
  %39 = srem i64 %38, 2
  %40 = icmp ne i64 %39, 0
  br i1 %40, label %41, label %51

41:                                               ; preds = %37
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %42 unwind label %43

42:                                               ; preds = %41
  br label %53

43:                                               ; preds = %51, %41, %32
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %9, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %10, align 4
  br label %57

47:                                               ; preds = %34
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %9, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %57

51:                                               ; preds = %37
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %52 unwind label %43

52:                                               ; preds = %51
  br label %53

53:                                               ; preds = %52, %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %54

54:                                               ; preds = %53
  %55 = load i64, ptr %7, align 8, !tbaa !5
  %56 = add nsw i64 %55, 1
  store i64 %56, ptr %7, align 8, !tbaa !5
  br label %27, !llvm.loop !9

57:                                               ; preds = %47, %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %138

58:                                               ; preds = %31
  %59 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %60 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %59, ptr %60, align 8
  %61 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %62 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %61, ptr %62, align 8
  %63 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %64 = load ptr, ptr %63, align 8
  %65 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %66 = load ptr, ptr %65, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %64, ptr %66)
          to label %67 unwind label %87

67:                                               ; preds = %58
  %68 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %69 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %68, ptr %69, align 8
  %70 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %71 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  %72 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %73 = load ptr, ptr %72, align 8
  %74 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %75 = load ptr, ptr %74, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %73, ptr %75)
          to label %76 unwind label %87

76:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #6
  store i8 1, ptr %16, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  store i64 0, ptr %17, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  store i64 0, ptr %18, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #6
  store i64 0, ptr %19, align 8, !tbaa !5
  br label %77

77:                                               ; preds = %124, %76
  %78 = load i8, ptr %16, align 1, !tbaa !11, !range !13, !noundef !14
  %79 = trunc i8 %78 to i1
  br i1 %79, label %80, label %84

80:                                               ; preds = %77
  %81 = load i64, ptr %19, align 8, !tbaa !5
  %82 = load i64, ptr %3, align 8, !tbaa !5
  %83 = icmp slt i64 %81, %82
  br label %84

84:                                               ; preds = %80, %77
  %85 = phi i1 [ false, %77 ], [ %83, %80 ]
  br i1 %85, label %91, label %86

86:                                               ; preds = %84
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  br label %127

87:                                               ; preds = %67, %58
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %9, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %10, align 4
  br label %138

91:                                               ; preds = %84
  %92 = load i64, ptr %19, align 8, !tbaa !5
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %92) #6
  %94 = load i64, ptr %93, align 8, !tbaa !5
  %95 = icmp ne i64 %94, 0
  br i1 %95, label %96, label %103

96:                                               ; preds = %91
  %97 = load i64, ptr %17, align 8, !tbaa !5
  %98 = add nsw i64 %97, 1
  store i64 %98, ptr %17, align 8, !tbaa !5
  %99 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %97) #6
  %100 = load i64, ptr %99, align 8, !tbaa !5
  %101 = load i64, ptr %19, align 8, !tbaa !5
  %102 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %101) #6
  store i64 %100, ptr %102, align 8, !tbaa !5
  br label %110

103:                                              ; preds = %91
  %104 = load i64, ptr %18, align 8, !tbaa !5
  %105 = add nsw i64 %104, 1
  store i64 %105, ptr %18, align 8, !tbaa !5
  %106 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %104) #6
  %107 = load i64, ptr %106, align 8, !tbaa !5
  %108 = load i64, ptr %19, align 8, !tbaa !5
  %109 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %108) #6
  store i64 %107, ptr %109, align 8, !tbaa !5
  br label %110

110:                                              ; preds = %103, %96
  %111 = load i64, ptr %19, align 8, !tbaa !5
  %112 = icmp sgt i64 %111, 0
  br i1 %112, label %113, label %123

113:                                              ; preds = %110
  %114 = load i64, ptr %19, align 8, !tbaa !5
  %115 = sub nsw i64 %114, 1
  %116 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %115) #6
  %117 = load i64, ptr %116, align 8, !tbaa !5
  %118 = load i64, ptr %19, align 8, !tbaa !5
  %119 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %118) #6
  %120 = load i64, ptr %119, align 8, !tbaa !5
  %121 = icmp sgt i64 %117, %120
  br i1 %121, label %122, label %123

122:                                              ; preds = %113
  store i8 0, ptr %16, align 1, !tbaa !11
  br label %123

123:                                              ; preds = %122, %113, %110
  br label %124

124:                                              ; preds = %123
  %125 = load i64, ptr %19, align 8, !tbaa !5
  %126 = add nsw i64 %125, 1
  store i64 %126, ptr %19, align 8, !tbaa !5
  br label %77, !llvm.loop !15

127:                                              ; preds = %86
  %128 = load i8, ptr %16, align 1, !tbaa !11, !range !13, !noundef !14
  %129 = trunc i8 %128 to i1
  %130 = zext i1 %129 to i64
  %131 = select i1 %129, ptr @.str.1, ptr @.str.2
  %132 = invoke i32 @puts(ptr noundef %131)
          to label %133 unwind label %134

133:                                              ; preds = %127
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %21, !llvm.loop !16

134:                                              ; preds = %127
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %9, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #6
  br label %138

138:                                              ; preds = %134, %87, %57
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %141

139:                                              ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %140 = load i32, ptr %1, align 4
  ret i32 %140

141:                                              ; preds = %138
  %142 = load ptr, ptr %9, align 8
  %143 = load i32, ptr %10, align 4
  %144 = insertvalue { ptr, i32 } poison, ptr %142, 0
  %145 = insertvalue { ptr, i32 } %144, i32 %143, 1
  resume { ptr, i32 } %145
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #4 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 void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

declare i32 @puts(ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 = { 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 #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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}


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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = add nsw i64 %9, -1
  store i64 %10, ptr %1, align 8, !tbaa !5
  %.not41 = icmp eq i64 %9, 0
  br i1 %.not41, label %._crit_edge44, label %.lr.ph43

.lr.ph43:                                         ; preds = %0, %42
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %12 = load i64, ptr %2, align 8, !tbaa !5
  %13 = icmp sgt i64 %12, 0
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %26, %.lr.ph43
  %14 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %15 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %14, ptr %15)
          to label %31 unwind label %47

.lr.ph:                                           ; preds = %.lr.ph43, %26
  %.02434 = phi i64 [ %27, %26 ], [ 0, %.lr.ph43 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %17 = load i64, ptr %6, align 8, !tbaa !5
  %18 = srem i64 %17, 2
  store i64 %18, ptr %7, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %.invoke unwind label %24

.invoke:                                          ; preds = %.lr.ph
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  %19 = load i64, ptr %6, align 8, !tbaa !5
  %20 = and i64 %19, 1
  %.not31 = icmp eq i64 %20, 0
  %21 = select i1 %.not31, ptr %5, ptr %4
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %21, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %26 unwind label %22

22:                                               ; preds = %.invoke
  %23 = landingpad { ptr, i32 }
          cleanup
  br label %30

24:                                               ; preds = %.lr.ph
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %30

26:                                               ; preds = %.invoke
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  %27 = add nuw nsw i64 %.02434, 1
  %28 = load i64, ptr %2, align 8, !tbaa !5
  %29 = icmp slt i64 %27, %28
  br i1 %29, label %.lr.ph, label %._crit_edge, !llvm.loop !9

30:                                               ; preds = %24, %22
  %.pn = phi { ptr, i32 } [ %23, %22 ], [ %25, %24 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br label %70

31:                                               ; preds = %._crit_edge
  %32 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %33 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %32, ptr %33)
          to label %.preheader unwind label %47

.preheader:                                       ; preds = %31
  %34 = load i64, ptr %2, align 8
  %35 = icmp sgt i64 %34, 0
  br i1 %35, label %.lr.ph39.preheader, label %._crit_edge40.thread

.lr.ph39.preheader:                               ; preds = %.preheader
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %37 = load i64, ptr %36, align 8, !tbaa !5
  %.not29.peel = icmp ne i64 %37, 0
  %. = select i1 %.not29.peel, ptr %4, ptr %5
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %., i64 noundef 0) #6
  %39 = load i64, ptr %38, align 8, !tbaa !5
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  store i64 %39, ptr %40, align 8, !tbaa !5
  %.pre = load i64, ptr %2, align 8
  %41 = icmp sgt i64 %.pre, 1
  br i1 %41, label %.lr.ph39.preheader57, label %._crit_edge40.thread

.lr.ph39.preheader57:                             ; preds = %.lr.ph39.preheader
  %not..not29.peel = xor i1 %.not29.peel, true
  %.56 = zext i1 %not..not29.peel to i64
  %.55 = zext i1 %.not29.peel to i64
  br label %.lr.ph39

._crit_edge40:                                    ; preds = %57
  br i1 %cond.fr, label %._crit_edge40.thread, label %42

._crit_edge40.thread:                             ; preds = %.lr.ph39.preheader, %.preheader, %._crit_edge40
  br label %42

42:                                               ; preds = %._crit_edge40, %._crit_edge40.thread
  %43 = phi ptr [ @.str.1, %._crit_edge40.thread ], [ @.str.2, %._crit_edge40 ]
  %44 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %43)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  %45 = load i64, ptr %1, align 8, !tbaa !5
  %46 = add nsw i64 %45, -1
  store i64 %46, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %45, 0
  br i1 %.not, label %._crit_edge44, label %.lr.ph43, !llvm.loop !11

47:                                               ; preds = %31, %._crit_edge
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %70

.lr.ph39:                                         ; preds = %.lr.ph39.preheader57, %57
  %.038 = phi i64 [ %66, %57 ], [ 1, %.lr.ph39.preheader57 ]
  %.01937 = phi i64 [ %.1, %57 ], [ %.56, %.lr.ph39.preheader57 ]
  %.02036 = phi i64 [ %.121, %57 ], [ %.55, %.lr.ph39.preheader57 ]
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.038) #6
  %50 = load i64, ptr %49, align 8, !tbaa !5
  %.not29 = icmp eq i64 %50, 0
  br i1 %.not29, label %54, label %51

51:                                               ; preds = %.lr.ph39
  %52 = add nsw i64 %.02036, 1
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02036) #6
  br label %57

54:                                               ; preds = %.lr.ph39
  %55 = add nsw i64 %.01937, 1
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.01937) #6
  br label %57

57:                                               ; preds = %54, %51
  %.sink54 = phi ptr [ %56, %54 ], [ %53, %51 ]
  %.121 = phi i64 [ %.02036, %54 ], [ %52, %51 ]
  %.1 = phi i64 [ %55, %54 ], [ %.01937, %51 ]
  %58 = load i64, ptr %.sink54, align 8, !tbaa !5
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.038) #6
  store i64 %58, ptr %59, align 8, !tbaa !5
  %60 = add nsw i64 %.038, -1
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %60) #6
  %62 = load i64, ptr %61, align 8, !tbaa !5
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.038) #6
  %64 = load i64, ptr %63, align 8, !tbaa !5
  %65 = icmp sle i64 %62, %64
  %cond.fr = freeze i1 %65
  %66 = add nuw nsw i64 %.038, 1
  %67 = load i64, ptr %2, align 8
  %68 = icmp slt i64 %66, %67
  %69 = select i1 %cond.fr, i1 %68, i1 false
  br i1 %69, label %.lr.ph39, label %._crit_edge40, !llvm.loop !12

70:                                               ; preds = %47, %30
  %.pn.pn = phi { ptr, i32 } [ %.pn, %30 ], [ %48, %47 ]
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn

._crit_edge44:                                    ; preds = %42, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 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 void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "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 = { 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 = { 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 #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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10, !13}
!13 = !{!"llvm.loop.peeled.count", i32 1}


; Effective O3 passes: AggressiveInstCombinePass,BDCEPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopFullUnrollPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SCCPPass,SROAPass,SimplifyCFGPass