; LLVM IR from xirc/cp-algorithm :: atcoder/abc017/C/main.ll (Z5solvev)

; 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<std::array<int, 3>, std::allocator<std::array<int, 3>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<int, 3>, std::allocator<std::array<int, 3>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<int, 3>, std::allocator<std::array<int, 3>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<int, 3>, std::allocator<std::array<int, 3>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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.2" = type { i8 }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@is = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::allocator.2", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #4
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #4
  %12 = load i32, ptr @M, align 4, !tbaa !5
  %13 = add nsw i32 %12, 1
  %14 = sext i32 %13 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %14, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %15 unwind label %21

15:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %62, %15
  %17 = load i32, ptr %7, align 4, !tbaa !5
  %18 = load i32, ptr @N, align 4, !tbaa !5
  %19 = icmp slt i32 %17, %18
  br i1 %19, label %25, label %20

20:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %65

21:                                               ; preds = %0
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %5, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %111

25:                                               ; preds = %16
  %26 = load i32, ptr %7, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %27) #4
  %29 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %28, i64 noundef 2) #4
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = load i32, ptr %1, align 4, !tbaa !5
  %32 = add nsw i32 %31, %30
  store i32 %32, ptr %1, align 4, !tbaa !5
  %33 = load i32, ptr %7, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %34) #4
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %35, i64 noundef 2) #4
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = load i32, ptr %7, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %39) #4
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %40, i64 noundef 0) #4
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %43) #4
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = add nsw i32 %45, %37
  store i32 %46, ptr %44, align 4, !tbaa !5
  %47 = load i32, ptr %7, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %48) #4
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %49, i64 noundef 2) #4
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = load i32, ptr %7, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %53) #4
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %54, i64 noundef 1) #4
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = add nsw i32 %56, 1
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %58) #4
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = sub nsw i32 %60, %51
  store i32 %61, ptr %59, align 4, !tbaa !5
  br label %62

62:                                               ; preds = %25
  %63 = load i32, ptr %7, align 4, !tbaa !5
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %7, align 4, !tbaa !5
  br label %16, !llvm.loop !9

65:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 1, ptr %8, align 4, !tbaa !5
  br label %66

66:                                               ; preds = %83, %65
  %67 = load i32, ptr %8, align 4, !tbaa !5
  %68 = load i32, ptr @M, align 4, !tbaa !5
  %69 = add nsw i32 %68, 1
  %70 = icmp slt i32 %67, %69
  br i1 %70, label %72, label %71

71:                                               ; preds = %66
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %86

72:                                               ; preds = %66
  %73 = load i32, ptr %8, align 4, !tbaa !5
  %74 = sub nsw i32 %73, 1
  %75 = sext i32 %74 to i64
  %76 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %75) #4
  %77 = load i32, ptr %76, align 4, !tbaa !5
  %78 = load i32, ptr %8, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %79) #4
  %81 = load i32, ptr %80, align 4, !tbaa !5
  %82 = add nsw i32 %81, %77
  store i32 %82, ptr %80, align 4, !tbaa !5
  br label %83

83:                                               ; preds = %72
  %84 = load i32, ptr %8, align 4, !tbaa !5
  %85 = add nsw i32 %84, 1
  store i32 %85, ptr %8, align 4, !tbaa !5
  br label %66, !llvm.loop !11

86:                                               ; preds = %71
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %87

87:                                               ; preds = %102, %86
  %88 = load i32, ptr %10, align 4, !tbaa !5
  %89 = load i32, ptr @M, align 4, !tbaa !5
  %90 = icmp slt i32 %88, %89
  br i1 %90, label %92, label %91

91:                                               ; preds = %87
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %109

92:                                               ; preds = %87
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  %93 = load i32, ptr %1, align 4, !tbaa !5
  %94 = load i32, ptr %10, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %95) #4
  %97 = load i32, ptr %96, align 4, !tbaa !5
  %98 = sub nsw i32 %93, %97
  store i32 %98, ptr %11, align 4, !tbaa !5
  %99 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %100 unwind label %105

100:                                              ; preds = %92
  %101 = load i32, ptr %99, align 4, !tbaa !5
  store i32 %101, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %102

102:                                              ; preds = %100
  %103 = load i32, ptr %10, align 4, !tbaa !5
  %104 = add nsw i32 %103, 1
  store i32 %104, ptr %10, align 4, !tbaa !5
  br label %87, !llvm.loop !12

105:                                              ; preds = %92
  %106 = landingpad { ptr, i32 }
          cleanup
  %107 = extractvalue { ptr, i32 } %106, 0
  store ptr %107, ptr %5, align 8
  %108 = extractvalue { ptr, i32 } %106, 1
  store i32 %108, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  br label %111

109:                                              ; preds = %91
  %110 = load i32, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #4
  ret i32 %110

111:                                              ; preds = %105, %21
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #4
  br label %112

112:                                              ; preds = %111
  %113 = load ptr, ptr %5, align 8
  %114 = load i32, ptr %6, align 4
  %115 = insertvalue { ptr, i32 } poison, ptr %113, 0
  %116 = insertvalue { ptr, i32 } %115, i32 %114, 1
  resume { ptr, i32 } %116
}

; 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 void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #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 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12), i64 noundef) #2 align 2

; 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) #2 align 2

; 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)) #3

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(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 = !{!"int", !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}


; 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<std::array<int, 3>, std::allocator<std::array<int, 3>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<int, 3>, std::allocator<std::array<int, 3>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<int, 3>, std::allocator<std::array<int, 3>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<int, 3>, std::allocator<std::array<int, 3>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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.2" = type { i8 }

@N = external dso_local local_unnamed_addr global i32, align 4
@M = external dso_local local_unnamed_addr global i32, align 4
@is = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector.0", align 8
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::allocator.2", align 1
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #4
  %6 = load i32, ptr @M, align 4, !tbaa !5
  %7 = add nsw i32 %6, 1
  %8 = sext i32 %7 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %8, ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %9 unwind label %13

9:                                                ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  %10 = load i32, ptr @N, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %9
  %.019.lcssa = phi i32 [ 0, %9 ], [ %18, %.lr.ph ]
  %12 = load i32, ptr @M, align 4, !tbaa !5
  %.not22 = icmp slt i32 %12, 1
  br i1 %.not22, label %._crit_edge.thread, label %.lr.ph24

._crit_edge.thread:                               ; preds = %.preheader
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  br label %._crit_edge28

13:                                               ; preds = %0
  %14 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #4
  resume { ptr, i32 } %14

.lr.ph:                                           ; preds = %9, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %9 ]
  %.01920 = phi i32 [ %18, %.lr.ph ], [ 0, %9 ]
  %15 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %indvars.iv) #4
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %15, i64 noundef 2) #4
  %17 = load i32, ptr %16, align 4, !tbaa !5
  %18 = add nsw i32 %17, %.01920
  %19 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %indvars.iv) #4
  %20 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %19, i64 noundef 2) #4
  %21 = load i32, ptr %20, align 4, !tbaa !5
  %22 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %indvars.iv) #4
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %22, i64 noundef 0) #4
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %25) #4
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = add nsw i32 %27, %21
  store i32 %28, ptr %26, align 4, !tbaa !5
  %29 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %indvars.iv) #4
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %29, i64 noundef 2) #4
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @is, i64 noundef %indvars.iv) #4
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12) %32, i64 noundef 1) #4
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %36) #4
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = sub nsw i32 %38, %31
  store i32 %39, ptr %37, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %40 = load i32, ptr @N, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = icmp slt i64 %indvars.iv.next, %41
  br i1 %42, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph24
  %43 = icmp sgt i32 %50, 0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  br i1 %43, label %.lr.ph27, label %._crit_edge28

.lr.ph24:                                         ; preds = %.preheader, %.lr.ph24
  %indvars.iv30 = phi i64 [ %indvars.iv.next31, %.lr.ph24 ], [ 1, %.preheader ]
  %44 = add nsw i64 %indvars.iv30, -1
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %44) #4
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv30) #4
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = add nsw i32 %48, %46
  store i32 %49, ptr %47, align 4, !tbaa !5
  %indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
  %50 = load i32, ptr @M, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %.not.not = icmp slt i64 %indvars.iv30, %51
  br i1 %.not.not, label %.lr.ph24, label %._crit_edge, !llvm.loop !11

._crit_edge28:                                    ; preds = %.lr.ph27, %._crit_edge.thread, %._crit_edge
  %52 = phi i32 [ 0, %._crit_edge ], [ 0, %._crit_edge.thread ], [ %57, %.lr.ph27 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #4
  ret i32 %52

.lr.ph27:                                         ; preds = %._crit_edge, %.lr.ph27
  %indvars.iv33 = phi i64 [ %indvars.iv.next34, %.lr.ph27 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  %53 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv33) #4
  %54 = load i32, ptr %53, align 4, !tbaa !5
  %55 = sub nsw i32 %.019.lcssa, %54
  store i32 %55, ptr %5, align 4, !tbaa !5
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %57 = load i32, ptr %56, align 4, !tbaa !5
  store i32 %57, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  %indvars.iv.next34 = add nuw nsw i64 %indvars.iv33, 1
  %58 = load i32, ptr @M, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = icmp slt i64 %indvars.iv.next34, %59
  br i1 %60, label %.lr.ph27, label %._crit_edge28, !llvm.loop !12
}

; 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 void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #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 4 dereferenceable(12) ptr @_ZNSt6vectorISt5arrayIiLm3EESaIS1_EEixEm(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 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm3EEixEm(ptr noundef nonnull align 4 dereferenceable(12), i64 noundef) local_unnamed_addr #2 align 2

; 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 #2 align 2

; 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 #3

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass