; LLVM IR from omonimus1/competitive-programming :: spoj (ABSP1)

; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %9 = load ptr, ptr @stdin, align 8, !tbaa !5
  %10 = call ptr @freopen(ptr noundef @.str, ptr noundef @.str.1, ptr noundef %9)
  %11 = load ptr, ptr @stdout, align 8, !tbaa !5
  %12 = call ptr @freopen(ptr noundef @.str.2, ptr noundef @.str.3, ptr noundef %11)
  %13 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %14 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !9
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %16
  %18 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #7
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  br label %20

20:                                               ; preds = %67, %0
  %21 = load i64, ptr %2, align 8, !tbaa !11
  %22 = add nsw i64 %21, -1
  store i64 %22, ptr %2, align 8, !tbaa !11
  %23 = icmp ne i64 %21, 0
  br i1 %23, label %24, label %72

24:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #7
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %26 = load i64, ptr %3, align 8, !tbaa !11
  %27 = call ptr @llvm.stacksave.p0()
  store ptr %27, ptr %4, align 8
  %28 = alloca i64, i64 %26, align 16
  store i64 %26, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #7
  store i64 0, ptr %6, align 8, !tbaa !11
  br label %29

29:                                               ; preds = %38, %24
  %30 = load i64, ptr %6, align 8, !tbaa !11
  %31 = load i64, ptr %3, align 8, !tbaa !11
  %32 = icmp slt i64 %30, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  br label %41

34:                                               ; preds = %29
  %35 = load i64, ptr %6, align 8, !tbaa !11
  %36 = getelementptr inbounds i64, ptr %28, i64 %35
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %36)
  br label %38

38:                                               ; preds = %34
  %39 = load i64, ptr %6, align 8, !tbaa !11
  %40 = add nsw i64 %39, 1
  store i64 %40, ptr %6, align 8, !tbaa !11
  br label %29, !llvm.loop !13

41:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  store i64 0, ptr %7, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  store i64 0, ptr %8, align 8, !tbaa !11
  br label %42

42:                                               ; preds = %64, %41
  %43 = load i64, ptr %8, align 8, !tbaa !11
  %44 = load i64, ptr %3, align 8, !tbaa !11
  %45 = icmp slt i64 %43, %44
  br i1 %45, label %47, label %46

46:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br label %67

47:                                               ; preds = %42
  %48 = load i64, ptr %8, align 8, !tbaa !11
  %49 = load i64, ptr %8, align 8, !tbaa !11
  %50 = getelementptr inbounds i64, ptr %28, i64 %49
  %51 = load i64, ptr %50, align 8, !tbaa !11
  %52 = mul nsw i64 %48, %51
  %53 = load i64, ptr %3, align 8, !tbaa !11
  %54 = load i64, ptr %8, align 8, !tbaa !11
  %55 = sub nsw i64 %53, %54
  %56 = sub nsw i64 %55, 1
  %57 = load i64, ptr %8, align 8, !tbaa !11
  %58 = getelementptr inbounds i64, ptr %28, i64 %57
  %59 = load i64, ptr %58, align 8, !tbaa !11
  %60 = mul nsw i64 %56, %59
  %61 = sub nsw i64 %52, %60
  %62 = load i64, ptr %7, align 8, !tbaa !11
  %63 = add nsw i64 %62, %61
  store i64 %63, ptr %7, align 8, !tbaa !11
  br label %64

64:                                               ; preds = %47
  %65 = load i64, ptr %8, align 8, !tbaa !11
  %66 = add nsw i64 %65, 1
  store i64 %66, ptr %8, align 8, !tbaa !11
  br label %42, !llvm.loop !15

67:                                               ; preds = %46
  %68 = load i64, ptr %7, align 8, !tbaa !11
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %68)
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %69, ptr noundef @.str.4)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  %71 = load ptr, ptr %4, align 8
  call void @llvm.stackrestore.p0(ptr %71)
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #7
  br label %20, !llvm.loop !16

72:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  ret i32 0
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) #1

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #5

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #5

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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nosync nounwind willreturn }
attributes #6 = { 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 #7 = { 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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}


; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external local_unnamed_addr global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = load ptr, ptr @stdin, align 8, !tbaa !5
  %4 = tail call ptr @freopen(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, ptr noundef %3)
  %5 = load ptr, ptr @stdout, align 8, !tbaa !5
  %6 = tail call ptr @freopen(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.3, ptr noundef %5)
  %7 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %8 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !9
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %10
  %12 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %11, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #8
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %14 = load i64, ptr %1, align 8, !tbaa !11
  %15 = add nsw i64 %14, -1
  store i64 %15, ptr %1, align 8, !tbaa !11
  %.not21 = icmp eq i64 %14, 0
  br i1 %.not21, label %._crit_edge24, label %.lr.ph23

.lr.ph23:                                         ; preds = %0, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #8
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %17 = load i64, ptr %2, align 8, !tbaa !11
  %18 = call ptr @llvm.stacksave.p0()
  %19 = alloca i64, i64 %17, align 16
  %20 = load i64, ptr %2, align 8, !tbaa !11
  %21 = icmp sgt i64 %20, 0
  br i1 %21, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %.lr.ph
  %22 = icmp sgt i64 %40, 0
  br i1 %22, label %.lr.ph19.preheader, label %._crit_edge

.lr.ph19.preheader:                               ; preds = %.preheader
  %min.iters.check = icmp ult i64 %40, 4
  br i1 %min.iters.check, label %.lr.ph19.preheader35, label %vector.ph

.lr.ph19.preheader35:                             ; preds = %middle.block, %.lr.ph19.preheader
  %.018.ph = phi i64 [ 0, %.lr.ph19.preheader ], [ %n.vec, %middle.block ]
  %.01117.ph = phi i64 [ 0, %.lr.ph19.preheader ], [ %36, %middle.block ]
  br label %.lr.ph19

vector.ph:                                        ; preds = %.lr.ph19.preheader
  %n.vec = and i64 %40, 9223372036854775804
  %broadcast.splatinsert = insertelement <2 x i64> poison, i64 %40, i64 0
  %broadcast.splat = shufflevector <2 x i64> %broadcast.splatinsert, <2 x i64> poison, <2 x i32> zeroinitializer
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.ind = phi <2 x i64> [ <i64 0, i64 1>, %vector.ph ], [ %vec.ind.next, %vector.body ]
  %vec.phi = phi <2 x i64> [ zeroinitializer, %vector.ph ], [ %33, %vector.body ]
  %vec.phi32 = phi <2 x i64> [ zeroinitializer, %vector.ph ], [ %34, %vector.body ]
  %step.add = add <2 x i64> %vec.ind, <i64 2, i64 2>
  %23 = getelementptr inbounds i64, ptr %19, i64 %index
  %24 = getelementptr inbounds i8, ptr %23, i64 16
  %wide.load = load <2 x i64>, ptr %23, align 16, !tbaa !11
  %wide.load33 = load <2 x i64>, ptr %24, align 16, !tbaa !11
  %25 = add nuw nsw <2 x i64> %vec.ind, <i64 1, i64 1>
  %26 = add <2 x i64> %vec.ind, <i64 3, i64 3>
  %27 = sub nsw <2 x i64> %25, %broadcast.splat
  %28 = sub nsw <2 x i64> %26, %broadcast.splat
  %29 = add <2 x i64> %27, %vec.ind
  %30 = add <2 x i64> %28, %step.add
  %31 = mul <2 x i64> %wide.load, %29
  %32 = mul <2 x i64> %wide.load33, %30
  %33 = add <2 x i64> %31, %vec.phi
  %34 = add <2 x i64> %32, %vec.phi32
  %index.next = add nuw i64 %index, 4
  %vec.ind.next = add <2 x i64> %vec.ind, <i64 4, i64 4>
  %35 = icmp eq i64 %index.next, %n.vec
  br i1 %35, label %middle.block, label %vector.body, !llvm.loop !13

middle.block:                                     ; preds = %vector.body
  %bin.rdx = add <2 x i64> %34, %33
  %36 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %bin.rdx)
  %cmp.n = icmp eq i64 %40, %n.vec
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph19.preheader35

.lr.ph:                                           ; preds = %.lr.ph23, %.lr.ph
  %.01216 = phi i64 [ %39, %.lr.ph ], [ 0, %.lr.ph23 ]
  %37 = getelementptr inbounds i64, ptr %19, i64 %.01216
  %38 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %37)
  %39 = add nuw nsw i64 %.01216, 1
  %40 = load i64, ptr %2, align 8, !tbaa !11
  %41 = icmp slt i64 %39, %40
  br i1 %41, label %.lr.ph, label %.preheader, !llvm.loop !17

._crit_edge:                                      ; preds = %.lr.ph19, %middle.block, %.lr.ph23, %.preheader
  %.011.lcssa = phi i64 [ 0, %.preheader ], [ 0, %.lr.ph23 ], [ %36, %middle.block ], [ %50, %.lr.ph19 ]
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.011.lcssa)
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %42, ptr noundef nonnull @.str.4)
  call void @llvm.stackrestore.p0(ptr %18)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #8
  %44 = load i64, ptr %1, align 8, !tbaa !11
  %45 = add nsw i64 %44, -1
  store i64 %45, ptr %1, align 8, !tbaa !11
  %.not = icmp eq i64 %44, 0
  br i1 %.not, label %._crit_edge24, label %.lr.ph23, !llvm.loop !18

.lr.ph19:                                         ; preds = %.lr.ph19.preheader35, %.lr.ph19
  %.018 = phi i64 [ %.neg25, %.lr.ph19 ], [ %.018.ph, %.lr.ph19.preheader35 ]
  %.01117 = phi i64 [ %50, %.lr.ph19 ], [ %.01117.ph, %.lr.ph19.preheader35 ]
  %46 = getelementptr inbounds i64, ptr %19, i64 %.018
  %47 = load i64, ptr %46, align 8, !tbaa !11
  %.neg25 = add nuw nsw i64 %.018, 1
  %.neg15 = sub nsw i64 %.neg25, %40
  %48 = add i64 %.neg15, %.018
  %49 = mul i64 %47, %48
  %50 = add nsw i64 %49, %.01117
  %exitcond.not = icmp eq i64 %.neg25, %40
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph19, !llvm.loop !19

._crit_edge24:                                    ; preds = %._crit_edge, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #8
  ret i32 0
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #5

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.vector.reduce.add.v2i64(<2 x i64>) #7

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 = { "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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #6 = { 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 #7 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #8 = { 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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !14, !15, !16}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!"llvm.loop.isvectorized", i32 1}
!16 = !{!"llvm.loop.unroll.runtime.disable"}
!17 = distinct !{!17, !14}
!18 = distinct !{!18, !14}
!19 = distinct !{!19, !14, !16, !15}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass