; LLVM IR from tangjz/acm-icpc :: codeforces/gym/104022I.ll (Z9factorizei)

; 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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }

@pr = external dso_local global [32001 x i32], align 16

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9factorizei(ptr dead_on_unwind noalias writable sret(%"class.std::vector.0") align 8 %0, i32 noundef %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i1, align 1
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::pair", align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 4
  store ptr %0, ptr %3, align 8
  store i32 %1, ptr %4, align 4, !tbaa !5
  store i1 false, ptr %5, align 1
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %63, %2
  %13 = load i32, ptr %6, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [32001 x i32], ptr @pr, i64 0, i64 %14
  %16 = load i32, ptr %15, align 4, !tbaa !5
  %17 = load i32, ptr %6, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [32001 x i32], ptr @pr, i64 0, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = mul nsw i32 %16, %20
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = icmp sle i32 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %75

25:                                               ; preds = %12
  %26 = load i32, ptr %4, align 4, !tbaa !5
  %27 = load i32, ptr %6, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [32001 x i32], ptr @pr, i64 0, i64 %28
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = srem i32 %26, %30
  %32 = icmp sgt i32 %31, 0
  br i1 %32, label %33, label %34

33:                                               ; preds = %25
  br label %63

34:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %35 = load i32, ptr %6, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [32001 x i32], ptr @pr, i64 0, i64 %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 1, ptr %8, align 4, !tbaa !5
  invoke void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %7, ptr noundef nonnull align 4 dereferenceable(4) %37, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %38 unwind label %66

38:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %39

39:                                               ; preds = %53, %38
  %40 = load i32, ptr %6, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [32001 x i32], ptr @pr, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = load i32, ptr %4, align 4, !tbaa !5
  %45 = sdiv i32 %44, %43
  store i32 %45, ptr %4, align 4, !tbaa !5
  %46 = load i32, ptr %6, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [32001 x i32], ptr @pr, i64 0, i64 %47
  %49 = load i32, ptr %48, align 4, !tbaa !5
  %50 = getelementptr inbounds %"struct.std::pair", ptr %7, i32 0, i32 1
  %51 = load i32, ptr %50, align 4, !tbaa !9
  %52 = mul nsw i32 %51, %49
  store i32 %52, ptr %50, align 4, !tbaa !9
  br label %53

53:                                               ; preds = %39
  %54 = load i32, ptr %4, align 4, !tbaa !5
  %55 = load i32, ptr %6, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [32001 x i32], ptr @pr, i64 0, i64 %56
  %58 = load i32, ptr %57, align 4, !tbaa !5
  %59 = srem i32 %54, %58
  %60 = icmp eq i32 %59, 0
  br i1 %60, label %39, label %61, !llvm.loop !11

61:                                               ; preds = %53
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(8) %7)
          to label %62 unwind label %70

62:                                               ; preds = %61
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %63

63:                                               ; preds = %62, %33
  %64 = load i32, ptr %6, align 4, !tbaa !5
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %6, align 4, !tbaa !5
  br label %12, !llvm.loop !13

66:                                               ; preds = %34
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %9, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %74

70:                                               ; preds = %61
  %71 = landingpad { ptr, i32 }
          cleanup
  %72 = extractvalue { ptr, i32 } %71, 0
  store ptr %72, ptr %9, align 8
  %73 = extractvalue { ptr, i32 } %71, 1
  store i32 %73, ptr %10, align 4
  br label %74

74:                                               ; preds = %70, %66
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %89

75:                                               ; preds = %24
  %76 = load i32, ptr %4, align 4, !tbaa !5
  %77 = icmp sgt i32 %76, 1
  br i1 %77, label %78, label %85

78:                                               ; preds = %75
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  invoke void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %11, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %79 unwind label %81

79:                                               ; preds = %78
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(8) %11)
          to label %80 unwind label %81

80:                                               ; preds = %79
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  br label %85

81:                                               ; preds = %79, %78
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %9, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  br label %89

85:                                               ; preds = %80, %75
  store i1 true, ptr %5, align 1
  %86 = load i1, ptr %5, align 1
  br i1 %86, label %88, label %87

87:                                               ; preds = %85
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %88

88:                                               ; preds = %87, %85
  ret void

89:                                               ; preds = %81, %74
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %90

90:                                               ; preds = %89
  %91 = load ptr, ptr %9, align 8
  %92 = load i32, ptr %10, align 4
  %93 = insertvalue { ptr, i32 } poison, ptr %91, 0
  %94 = insertvalue { ptr, i32 } %93, i32 %92, 1
  resume { ptr, i32 } %94
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 4}
!10 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


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

%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }

@pr = external dso_local global [32001 x i32], align 16

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9factorizei(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector.0") align 8 %0, i32 noundef %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::pair", align 4
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 4
  store i32 %1, ptr %3, align 4, !tbaa !5
  tail call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %7 = load i32, ptr @pr, align 16, !tbaa !5
  %8 = mul nsw i32 %7, %7
  %.not18 = icmp sgt i32 %8, %1
  br i1 %.not18, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %9 = getelementptr inbounds i8, ptr %4, i64 4
  br label %11

._crit_edge:                                      ; preds = %28, %2
  %.lcssa = phi i32 [ %1, %2 ], [ %29, %28 ]
  %10 = icmp sgt i32 %.lcssa, 1
  br i1 %10, label %35, label %39

11:                                               ; preds = %.lr.ph, %28
  %12 = phi i32 [ %1, %.lr.ph ], [ %29, %28 ]
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %28 ]
  %13 = phi i32 [ %7, %.lr.ph ], [ %31, %28 ]
  %14 = phi ptr [ @pr, %.lr.ph ], [ %30, %28 ]
  %15 = srem i32 %12, %13
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %28, label %17

17:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #3
  store i32 1, ptr %5, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #3
  %18 = load i32, ptr %14, align 4, !tbaa !5
  %.promoted16 = load i32, ptr %9, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %19, %17
  %20 = phi i32 [ %23, %19 ], [ %.promoted16, %17 ]
  %21 = phi i32 [ %22, %19 ], [ %12, %17 ]
  %22 = sdiv i32 %21, %18
  %23 = mul nsw i32 %20, %18
  %24 = srem i32 %22, %18
  %25 = icmp eq i32 %24, 0
  br i1 %25, label %19, label %26, !llvm.loop !11

26:                                               ; preds = %19
  store i32 %22, ptr %3, align 4, !tbaa !5
  store i32 %23, ptr %9, align 4, !tbaa !9
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(8) %4)
          to label %27 unwind label %33

27:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  br label %28

28:                                               ; preds = %11, %27
  %29 = phi i32 [ %12, %11 ], [ %22, %27 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %30 = getelementptr inbounds [32001 x i32], ptr @pr, i64 0, i64 %indvars.iv.next
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = mul nsw i32 %31, %31
  %.not = icmp sgt i32 %32, %29
  br i1 %.not, label %._crit_edge, label %11, !llvm.loop !13

33:                                               ; preds = %26
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  br label %40

35:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %3)
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(8) %6)
          to label %36 unwind label %37

36:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  br label %39

37:                                               ; preds = %35
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  br label %40

39:                                               ; preds = %._crit_edge, %36
  ret void

40:                                               ; preds = %37, %33
  %.pn = phi { ptr, i32 } [ %34, %33 ], [ %38, %37 ]
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 4}
!10 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


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