; LLVM IR from div-bargali/Data-Structures-and-Algorithms :: C++/Algorithms/Sorting-Algorithms/shell/shell.ll (Z5shellSt6vectorIiSaIiEE)

; 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_ostream" = type { ptr, %"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.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5shellSt6vectorIiSaIiEE(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %12 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %13 = udiv i64 %12, 2
  %14 = trunc i64 %13 to i32
  store i32 %14, ptr %3, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %76, %1
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = icmp sge i32 %16, 1
  br i1 %17, label %19, label %18

18:                                               ; preds = %15
  store i32 2, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %79

19:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %20 = load i32, ptr %3, align 4, !tbaa !9
  store i32 %20, ptr %5, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %72, %19
  %22 = load i32, ptr %5, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %25 = icmp ult i64 %23, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %21
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %75

27:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  %28 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %28, ptr %6, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %70, %27
  %30 = load i32, ptr %6, align 4, !tbaa !9
  %31 = load i32, ptr %3, align 4, !tbaa !9
  %32 = sub nsw i32 %30, %31
  %33 = icmp sge i32 %32, 0
  br i1 %33, label %34, label %71

34:                                               ; preds = %29
  %35 = load i32, ptr %6, 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) %0, i64 noundef %36) #5
  %38 = load i32, ptr %37, align 4, !tbaa !9
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = load i32, ptr %3, align 4, !tbaa !9
  %41 = sub nsw i32 %39, %40
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %42) #5
  %44 = load i32, ptr %43, align 4, !tbaa !9
  %45 = icmp slt i32 %38, %44
  br i1 %45, label %46, label %69

46:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %47 = load i32, ptr %6, align 4, !tbaa !9
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %48) #5
  %50 = load i32, ptr %49, align 4, !tbaa !9
  store i32 %50, ptr %7, align 4, !tbaa !9
  %51 = load i32, ptr %6, align 4, !tbaa !9
  %52 = load i32, ptr %3, align 4, !tbaa !9
  %53 = sub nsw i32 %51, %52
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %54) #5
  %56 = load i32, ptr %55, align 4, !tbaa !9
  %57 = load i32, ptr %6, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %58) #5
  store i32 %56, ptr %59, align 4, !tbaa !9
  %60 = load i32, ptr %7, align 4, !tbaa !9
  %61 = load i32, ptr %6, align 4, !tbaa !9
  %62 = load i32, ptr %3, align 4, !tbaa !9
  %63 = sub nsw i32 %61, %62
  %64 = sext i32 %63 to i64
  %65 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %64) #5
  store i32 %60, ptr %65, align 4, !tbaa !9
  %66 = load i32, ptr %3, align 4, !tbaa !9
  %67 = load i32, ptr %6, align 4, !tbaa !9
  %68 = sub nsw i32 %67, %66
  store i32 %68, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %70

69:                                               ; preds = %34
  br label %71

70:                                               ; preds = %46
  br label %29, !llvm.loop !11

71:                                               ; preds = %69, %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %72

72:                                               ; preds = %71
  %73 = load i32, ptr %5, align 4, !tbaa !9
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %5, align 4, !tbaa !9
  br label %21, !llvm.loop !13

75:                                               ; preds = %26
  br label %76

76:                                               ; preds = %75
  %77 = load i32, ptr %3, align 4, !tbaa !9
  %78 = sdiv i32 %77, 2
  store i32 %78, ptr %3, align 4, !tbaa !9
  br label %15, !llvm.loop !14

79:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store ptr %0, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %80 = load ptr, ptr %8, align 8, !tbaa !5
  %81 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %80) #5
  %82 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %81, ptr %82, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %83 = load ptr, ptr %8, align 8, !tbaa !5
  %84 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %83) #5
  %85 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %84, ptr %85, align 8
  br label %86

86:                                               ; preds = %94, %79
  %87 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #5
  br i1 %87, label %89, label %88

88:                                               ; preds = %86
  store i32 10, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %96

89:                                               ; preds = %86
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  %90 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  %91 = load i32, ptr %90, align 4, !tbaa !9
  store i32 %91, ptr %11, align 4, !tbaa !9
  %92 = load i32, ptr %11, align 4, !tbaa !9
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %92)
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %94

94:                                               ; preds = %89
  %95 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  br label %86

96:                                               ; preds = %88
  ret void
}

; 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 i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #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: 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 ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #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 = { "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 = { 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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !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::basic_ostream" = type { ptr, %"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.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5shellSt6vectorIiSaIiEE(ptr noundef nonnull %0) local_unnamed_addr #0 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %5 = lshr i64 %4, 1
  %6 = trunc i64 %5 to i32
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.preheader25, label %._crit_edge31

.preheader25:                                     ; preds = %1, %._crit_edge29
  %.030 = phi i32 [ %18, %._crit_edge29 ], [ %6, %1 ]
  %8 = zext nneg i32 %.030 to i64
  %9 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %10 = icmp ugt i64 %9, %8
  br i1 %10, label %.preheader, label %._crit_edge29

._crit_edge31:                                    ; preds = %._crit_edge29, %1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %11 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %11, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %12 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %12, ptr %3, align 8
  %13 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  br i1 %13, label %.lr.ph33, label %._crit_edge34

.preheader:                                       ; preds = %.preheader25, %._crit_edge
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge ], [ %8, %.preheader25 ]
  %14 = trunc i64 %indvars.iv to i32
  %15 = sub i32 %14, %.030
  %16 = icmp sgt i32 %15, -1
  br i1 %16, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %.preheader
  %17 = trunc nuw i64 %indvars.iv to i32
  br label %.lr.ph

._crit_edge29:                                    ; preds = %._crit_edge, %.preheader25
  %18 = lshr i32 %.030, 1
  %.not = icmp ult i32 %.030, 2
  br i1 %.not, label %._crit_edge31, label %.preheader25, !llvm.loop !5

.lr.ph:                                           ; preds = %.lr.ph.preheader, %27
  %19 = phi i32 [ %34, %27 ], [ %15, %.lr.ph.preheader ]
  %.02326 = phi i32 [ %19, %27 ], [ %17, %.lr.ph.preheader ]
  %20 = zext nneg i32 %.02326 to i64
  %21 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %20) #5
  %22 = load i32, ptr %21, align 4, !tbaa !7
  %23 = zext nneg i32 %19 to i64
  %24 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %23) #5
  %25 = load i32, ptr %24, align 4, !tbaa !7
  %26 = icmp slt i32 %22, %25
  br i1 %26, label %27, label %._crit_edge

27:                                               ; preds = %.lr.ph
  %28 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %20) #5
  %29 = load i32, ptr %28, align 4, !tbaa !7
  %30 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %23) #5
  %31 = load i32, ptr %30, align 4, !tbaa !7
  %32 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %20) #5
  store i32 %31, ptr %32, align 4, !tbaa !7
  %33 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %23) #5
  store i32 %29, ptr %33, align 4, !tbaa !7
  %34 = sub nsw i32 %19, %.030
  %35 = icmp sgt i32 %34, -1
  br i1 %35, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge:                                      ; preds = %27, %.lr.ph, %.preheader
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %36 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %37 = icmp ugt i64 %36, %indvars.iv.next
  br i1 %37, label %.preheader, label %._crit_edge29, !llvm.loop !12

._crit_edge34:                                    ; preds = %.lr.ph33, %._crit_edge31
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  ret void

.lr.ph33:                                         ; preds = %._crit_edge31, %.lr.ph33
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  %39 = load i32, ptr %38, align 4, !tbaa !7
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %39)
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  %42 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  br i1 %42, label %.lr.ph33, label %._crit_edge34
}

; 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 i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) 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: 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 ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_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 = { "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 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = distinct !{!11, !6}
!12 = distinct !{!12, !6}


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