; LLVM IR from gargarchit/Data_Structure_n_Algorithms :: Competitive_Programming/Knapsack_Problem.ll (Z14SolveEfficientSt6vectorISt4pairIiiESaIS1_EEi)

; 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.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.7" = type { i8 }
%"struct.std::pair" = type { i32, i32 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; 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 nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z14SolveEfficientSt6vectorISt4pairIiiESaIS1_EEi(ptr noundef %0, i32 noundef %1) #3 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector.5", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::allocator.7", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #4
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = add nsw i32 %15, 1
  %17 = sext i32 %16 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %17, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %18 unwind label %24

18:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 1, ptr %10, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %46, %18
  %20 = load i32, ptr %10, align 4, !tbaa !9
  %21 = load i32, ptr %4, align 4, !tbaa !9
  %22 = icmp sle i32 %20, %21
  br i1 %22, label %28, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %49

24:                                               ; preds = %2
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %8, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %113

28:                                               ; preds = %19
  %29 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #4
  %30 = getelementptr inbounds %"struct.std::pair", ptr %29, i32 0, i32 0
  %31 = load i32, ptr %30, align 4, !tbaa !11
  %32 = load i32, ptr %10, align 4, !tbaa !9
  %33 = icmp sgt i32 %31, %32
  br i1 %33, label %34, label %38

34:                                               ; preds = %28
  %35 = load i32, ptr %10, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %36) #4
  store i32 0, ptr %37, align 4, !tbaa !9
  br label %45

38:                                               ; preds = %28
  %39 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #4
  %40 = getelementptr inbounds %"struct.std::pair", ptr %39, i32 0, i32 1
  %41 = load i32, ptr %40, align 4, !tbaa !13
  %42 = load i32, ptr %10, align 4, !tbaa !9
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %43) #4
  store i32 %41, ptr %44, align 4, !tbaa !9
  br label %45

45:                                               ; preds = %38, %34
  br label %46

46:                                               ; preds = %45
  %47 = load i32, ptr %10, align 4, !tbaa !9
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %10, align 4, !tbaa !9
  br label %19, !llvm.loop !14

49:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 1, ptr %11, align 4, !tbaa !9
  br label %50

50:                                               ; preds = %105, %49
  %51 = load i32, ptr %11, align 4, !tbaa !9
  %52 = sext i32 %51 to i64
  %53 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %54 = icmp ult i64 %52, %53
  br i1 %54, label %56, label %55

55:                                               ; preds = %50
  store i32 5, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %108

56:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  %57 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %57, ptr %13, align 4, !tbaa !9
  br label %58

58:                                               ; preds = %97, %56
  %59 = load i32, ptr %13, align 4, !tbaa !9
  %60 = icmp sge i32 %59, 1
  br i1 %60, label %62, label %61

61:                                               ; preds = %58
  store i32 8, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %104

62:                                               ; preds = %58
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  store i32 0, ptr %14, align 4, !tbaa !9
  %63 = load i32, ptr %11, align 4, !tbaa !9
  %64 = sext i32 %63 to i64
  %65 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %64) #4
  %66 = getelementptr inbounds %"struct.std::pair", ptr %65, i32 0, i32 0
  %67 = load i32, ptr %66, align 4, !tbaa !11
  %68 = load i32, ptr %13, align 4, !tbaa !9
  %69 = icmp sle i32 %67, %68
  br i1 %69, label %70, label %87

70:                                               ; preds = %62
  %71 = load i32, ptr %11, align 4, !tbaa !9
  %72 = sext i32 %71 to i64
  %73 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %72) #4
  %74 = getelementptr inbounds %"struct.std::pair", ptr %73, i32 0, i32 1
  %75 = load i32, ptr %74, align 4, !tbaa !13
  %76 = load i32, ptr %13, align 4, !tbaa !9
  %77 = load i32, ptr %11, align 4, !tbaa !9
  %78 = sext i32 %77 to i64
  %79 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %78) #4
  %80 = getelementptr inbounds %"struct.std::pair", ptr %79, i32 0, i32 0
  %81 = load i32, ptr %80, align 4, !tbaa !11
  %82 = sub nsw i32 %76, %81
  %83 = sext i32 %82 to i64
  %84 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %83) #4
  %85 = load i32, ptr %84, align 4, !tbaa !9
  %86 = add nsw i32 %75, %85
  store i32 %86, ptr %14, align 4, !tbaa !9
  br label %87

87:                                               ; preds = %70, %62
  %88 = load i32, ptr %13, align 4, !tbaa !9
  %89 = sext i32 %88 to i64
  %90 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %89) #4
  %91 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %90)
          to label %92 unwind label %100

92:                                               ; preds = %87
  %93 = load i32, ptr %91, align 4, !tbaa !9
  %94 = load i32, ptr %13, align 4, !tbaa !9
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %95) #4
  store i32 %93, ptr %96, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  br label %97

97:                                               ; preds = %92
  %98 = load i32, ptr %13, align 4, !tbaa !9
  %99 = add nsw i32 %98, -1
  store i32 %99, ptr %13, align 4, !tbaa !9
  br label %58, !llvm.loop !16

100:                                              ; preds = %87
  %101 = landingpad { ptr, i32 }
          cleanup
  %102 = extractvalue { ptr, i32 } %101, 0
  store ptr %102, ptr %8, align 8
  %103 = extractvalue { ptr, i32 } %101, 1
  store i32 %103, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  br label %113

104:                                              ; preds = %61
  br label %105

105:                                              ; preds = %104
  %106 = load i32, ptr %11, align 4, !tbaa !9
  %107 = add nsw i32 %106, 1
  store i32 %107, ptr %11, align 4, !tbaa !9
  br label %50, !llvm.loop !17

108:                                              ; preds = %55
  %109 = load i32, ptr %4, align 4, !tbaa !9
  %110 = sext i32 %109 to i64
  %111 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %110) #4
  %112 = load i32, ptr %111, align 4, !tbaa !9
  store i32 1, ptr %12, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #4
  ret i32 %112

113:                                              ; preds = %100, %24
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #4
  br label %114

114:                                              ; preds = %113
  %115 = load ptr, ptr %8, align 8
  %116 = load i32, ptr %9, align 4
  %117 = insertvalue { ptr, i32 } poison, ptr %115, 0
  %118 = insertvalue { ptr, i32 } %117, i32 %116, 1
  resume { ptr, i32 } %118
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 #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, !10, i64 0}
!12 = !{!"_ZTSSt4pairIiiE", !10, i64 0, !10, i64 4}
!13 = !{!12, !10, i64 4}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = distinct !{!17, !15}


; 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.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.7" = type { i8 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; 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 nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z14SolveEfficientSt6vectorISt4pairIiiESaIS1_EEi(ptr noundef %0, i32 noundef %1) local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector.5", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::allocator.7", align 1
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  %7 = add i32 %1, 1
  %8 = sext i32 %7 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %8, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %9 unwind label %38

9:                                                ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  %.not27 = icmp slt i32 %1, 1
  br i1 %.not27, label %.preheader26, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %9
  %wide.trip.count = zext i32 %7 to i64
  br label %.lr.ph

.preheader26:                                     ; preds = %48, %9
  %10 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %11 = icmp ugt i64 %10, 1
  br i1 %11, label %.preheader.lr.ph, label %._crit_edge32

.preheader.lr.ph:                                 ; preds = %.preheader26
  %12 = icmp sgt i32 %1, 0
  br i1 %12, label %.preheader.us.preheader, label %.preheader

.preheader.us.preheader:                          ; preds = %.preheader.lr.ph
  %13 = zext nneg i32 %1 to i64
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us.preheader, %._crit_edge.us
  %indvars.iv41 = phi i64 [ 1, %.preheader.us.preheader ], [ %indvars.iv.next42, %._crit_edge.us ]
  br label %14

14:                                               ; preds = %.preheader.us, %30
  %indvars.iv38 = phi i64 [ %13, %.preheader.us ], [ %indvars.iv.next39, %30 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  store i32 0, ptr %6, align 4, !tbaa !5
  %15 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv41) #4
  %16 = load i32, ptr %15, align 4, !tbaa !9
  %17 = sext i32 %16 to i64
  %.not25.us = icmp slt i64 %indvars.iv38, %17
  br i1 %.not25.us, label %30, label %18

18:                                               ; preds = %14
  %19 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv41) #4
  %20 = getelementptr inbounds i8, ptr %19, i64 4
  %21 = load i32, ptr %20, align 4, !tbaa !11
  %22 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv41) #4
  %23 = load i32, ptr %22, align 4, !tbaa !9
  %24 = trunc nuw nsw i64 %indvars.iv38 to i32
  %25 = sub nsw i32 %24, %23
  %26 = sext i32 %25 to i64
  %27 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %26) #4
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = add nsw i32 %28, %21
  store i32 %29, ptr %6, align 4, !tbaa !5
  br label %30

30:                                               ; preds = %18, %14
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv38) #4
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %31)
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv38) #4
  store i32 %33, ptr %34, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  %indvars.iv.next39 = add nsw i64 %indvars.iv38, -1
  %35 = icmp sgt i64 %indvars.iv38, 1
  br i1 %35, label %14, label %._crit_edge.us, !llvm.loop !12

._crit_edge.us:                                   ; preds = %30
  %indvars.iv.next42 = add nuw nsw i64 %indvars.iv41, 1
  %36 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %37 = icmp ugt i64 %36, %indvars.iv.next42
  br i1 %37, label %.preheader.us, label %._crit_edge32, !llvm.loop !14

38:                                               ; preds = %2
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  resume { ptr, i32 } %39

.lr.ph:                                           ; preds = %.lr.ph.preheader, %48
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %48 ]
  %40 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #4
  %41 = load i32, ptr %40, align 4, !tbaa !9
  %42 = sext i32 %41 to i64
  %43 = icmp slt i64 %indvars.iv, %42
  br i1 %43, label %48, label %44

44:                                               ; preds = %.lr.ph
  %45 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #4
  %46 = getelementptr inbounds i8, ptr %45, i64 4
  %47 = load i32, ptr %46, align 4, !tbaa !11
  br label %48

48:                                               ; preds = %.lr.ph, %44
  %.sink = phi i32 [ %47, %44 ], [ 0, %.lr.ph ]
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #4
  store i32 %.sink, ptr %49, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.preheader26, label %.lr.ph, !llvm.loop !15

.preheader:                                       ; preds = %.preheader.lr.ph, %.preheader
  %indvars.iv35 = phi i64 [ %indvars.iv.next36, %.preheader ], [ 1, %.preheader.lr.ph ]
  %indvars.iv.next36 = add nuw nsw i64 %indvars.iv35, 1
  %50 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %51 = icmp ugt i64 %50, %indvars.iv.next36
  br i1 %51, label %.preheader, label %._crit_edge32, !llvm.loop !14

._crit_edge32:                                    ; preds = %.preheader, %._crit_edge.us, %.preheader26
  %52 = sext i32 %1 to i64
  %53 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %52) #4
  %54 = load i32, ptr %53, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  ret i32 %54
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 #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, !6, i64 0}
!10 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 4}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = distinct !{!15, !13}


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