; LLVM IR from upupming/algorithm :: acwing/算法竞赛进阶指南/0x52-背包/278. 数字组合 (main)

; 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" }

@a = external dso_local global [110 x i32], align 16
@f = external dso_local global [10010 x i32], align 16
@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) @m)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %8

8:                                                ; preds = %18, %0
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = load i32, ptr @n, align 4, !tbaa !5
  %11 = icmp sle i32 %9, %10
  br i1 %11, label %13, label %12

12:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %21

13:                                               ; preds = %8
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [110 x i32], ptr @a, i64 0, i64 %15
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %16)
  br label %18

18:                                               ; preds = %13
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %2, align 4, !tbaa !5
  br label %8, !llvm.loop !9

21:                                               ; preds = %12
  store i32 1, ptr @f, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %56, %21
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = load i32, ptr @n, align 4, !tbaa !5
  %25 = icmp sle i32 %23, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %22
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %59

27:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %28 = load i32, ptr @m, align 4, !tbaa !5
  store i32 %28, ptr %5, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %52, %27
  %30 = load i32, ptr %5, align 4, !tbaa !5
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [110 x i32], ptr @a, i64 0, i64 %32
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = icmp sge i32 %30, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %29
  store i32 8, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %55

37:                                               ; preds = %29
  %38 = load i32, ptr %5, align 4, !tbaa !5
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [110 x i32], ptr @a, i64 0, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = sub nsw i32 %38, %42
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [10010 x i32], ptr @f, i64 0, i64 %44
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = load i32, ptr %5, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [10010 x i32], ptr @f, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = add nsw i32 %50, %46
  store i32 %51, ptr %49, align 4, !tbaa !5
  br label %52

52:                                               ; preds = %37
  %53 = load i32, ptr %5, align 4, !tbaa !5
  %54 = add nsw i32 %53, -1
  store i32 %54, ptr %5, align 4, !tbaa !5
  br label %29, !llvm.loop !11

55:                                               ; preds = %36
  br label %56

56:                                               ; preds = %55
  %57 = load i32, ptr %3, align 4, !tbaa !5
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %3, align 4, !tbaa !5
  br label %22, !llvm.loop !12

59:                                               ; preds = %26
  %60 = load i32, ptr @m, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [10010 x i32], ptr @f, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %63)
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %64, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  ret i32 0
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = !{!"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::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" }

@a = external dso_local global [110 x i32], align 16
@f = external dso_local local_unnamed_addr global [10010 x i32], align 16
@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %2 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) @m)
  %3 = load i32, ptr @n, align 4, !tbaa !5
  %.not16 = icmp slt i32 %3, 1
  br i1 %.not16, label %._crit_edge.thread, label %.lr.ph

._crit_edge.thread:                               ; preds = %0
  store i32 1, ptr @f, align 16, !tbaa !5
  %.pre39 = load i32, ptr @m, align 4, !tbaa !5
  br label %._crit_edge.._crit_edge27_crit_edge

._crit_edge:                                      ; preds = %.lr.ph
  store i32 1, ptr @f, align 16, !tbaa !5
  %.not1423 = icmp slt i32 %12, 1
  %.pre = load i32, ptr @m, align 4, !tbaa !5
  br i1 %.not1423, label %._crit_edge.._crit_edge27_crit_edge, label %.lr.ph26

._crit_edge.._crit_edge27_crit_edge:              ; preds = %._crit_edge.thread, %._crit_edge
  %.pre40 = phi i32 [ %.pre39, %._crit_edge.thread ], [ %.pre, %._crit_edge ]
  %.pre36 = sext i32 %.pre40 to i64
  br label %._crit_edge27

.lr.ph26:                                         ; preds = %._crit_edge
  %4 = sext i32 %.pre to i64
  %5 = add nuw i32 %12, 1
  %wide.trip.count = zext i32 %5 to i64
  %6 = shl nsw i64 %4, 2
  %scevgep = getelementptr i8, ptr @f, i64 %6
  %scevgep41 = getelementptr i8, ptr @f, i64 %6
  %7 = shl nsw i64 %4, 2
  %8 = add nsw i64 %7, 4
  %scevgep47 = getelementptr i8, ptr @f, i64 %8
  %scevgep48 = getelementptr i8, ptr @f, i64 %8
  %9 = add nsw i64 %4, 1
  %bound1 = icmp ugt ptr %scevgep47, @f
  br label %18

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %0 ]
  %10 = getelementptr inbounds [110 x i32], ptr @a, i64 0, i64 %indvars.iv
  %11 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %12 = load i32, ptr @n, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  %.not.not = icmp slt i64 %indvars.iv, %13
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge27:                                    ; preds = %._crit_edge22, %._crit_edge.._crit_edge27_crit_edge
  %.pre-phi = phi i64 [ %.pre36, %._crit_edge.._crit_edge27_crit_edge ], [ %4, %._crit_edge22 ]
  %14 = getelementptr inbounds [10010 x i32], ptr @f, i64 0, i64 %.pre-phi
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %15)
  %17 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  ret i32 0

18:                                               ; preds = %.lr.ph26, %._crit_edge22
  %indvars.iv33 = phi i64 [ 1, %.lr.ph26 ], [ %indvars.iv.next34, %._crit_edge22 ]
  %19 = getelementptr inbounds [110 x i32], ptr @a, i64 0, i64 %indvars.iv33
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %.not1518 = icmp slt i32 %.pre, %20
  br i1 %.not1518, label %._crit_edge22, label %.lr.ph21.preheader

.lr.ph21.preheader:                               ; preds = %18
  %21 = sext i32 %20 to i64
  %22 = sub nsw i64 %9, %21
  %min.iters.check = icmp ult i64 %22, 28
  br i1 %min.iters.check, label %.lr.ph21.preheader58, label %vector.scevcheck

.lr.ph21.preheader58:                             ; preds = %middle.block, %vector.memcheck, %vector.scevcheck, %.lr.ph21.preheader
  %indvars.iv30.ph = phi i64 [ %4, %vector.memcheck ], [ %4, %vector.scevcheck ], [ %4, %.lr.ph21.preheader ], [ %ind.end, %middle.block ]
  br label %.lr.ph21

vector.scevcheck:                                 ; preds = %.lr.ph21.preheader
  %23 = sub nsw i64 %4, %21
  %mul.result.neg = mul nsw i64 %23, -4
  %24 = getelementptr i8, ptr %scevgep, i64 %mul.result.neg
  %25 = icmp ugt ptr %24, %scevgep
  %26 = mul nsw i64 %21, -4
  %scevgep42 = getelementptr i8, ptr %scevgep41, i64 %26
  %mul.result44.neg = mul nsw i64 %23, -4
  %mul.overflow45 = icmp ugt i64 %23, 4611686018427387903
  %27 = getelementptr i8, ptr %scevgep42, i64 %mul.result44.neg
  %28 = icmp ugt ptr %27, %scevgep42
  %29 = or i1 %28, %mul.overflow45
  %30 = or i1 %25, %29
  br i1 %30, label %.lr.ph21.preheader58, label %vector.memcheck

vector.memcheck:                                  ; preds = %vector.scevcheck
  %31 = shl nsw i64 %21, 2
  %scevgep46 = getelementptr i8, ptr @f, i64 %31
  %32 = mul nsw i64 %21, -4
  %scevgep49 = getelementptr i8, ptr %scevgep48, i64 %32
  %bound0 = icmp ult ptr %scevgep46, %scevgep49
  %found.conflict = and i1 %bound0, %bound1
  br i1 %found.conflict, label %.lr.ph21.preheader58, label %vector.ph

vector.ph:                                        ; preds = %vector.memcheck
  %n.vec = and i64 %22, -8
  %ind.end = sub nsw i64 %4, %n.vec
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %offset.idx = sub i64 %4, %index
  %33 = sub nsw i64 %offset.idx, %21
  %34 = getelementptr inbounds [10010 x i32], ptr @f, i64 0, i64 %33
  %35 = getelementptr inbounds i8, ptr %34, i64 -12
  %36 = getelementptr inbounds i8, ptr %34, i64 -28
  %wide.load = load <4 x i32>, ptr %35, align 4, !tbaa !5, !alias.scope !11
  %wide.load50 = load <4 x i32>, ptr %36, align 4, !tbaa !5, !alias.scope !11
  %37 = getelementptr inbounds [10010 x i32], ptr @f, i64 0, i64 %offset.idx
  %38 = getelementptr inbounds i8, ptr %37, i64 -12
  %39 = getelementptr inbounds i8, ptr %37, i64 -28
  %wide.load52 = load <4 x i32>, ptr %38, align 4, !tbaa !5, !alias.scope !14, !noalias !11
  %wide.load54 = load <4 x i32>, ptr %39, align 4, !tbaa !5, !alias.scope !14, !noalias !11
  %40 = add nsw <4 x i32> %wide.load52, %wide.load
  %41 = add nsw <4 x i32> %wide.load54, %wide.load50
  store <4 x i32> %40, ptr %38, align 4, !tbaa !5, !alias.scope !14, !noalias !11
  store <4 x i32> %41, ptr %39, align 4, !tbaa !5, !alias.scope !14, !noalias !11
  %index.next = add nuw i64 %index, 8
  %42 = icmp eq i64 %index.next, %n.vec
  br i1 %42, label %middle.block, label %vector.body, !llvm.loop !16

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %22, %n.vec
  br i1 %cmp.n, label %._crit_edge22, label %.lr.ph21.preheader58

._crit_edge22:                                    ; preds = %.lr.ph21, %middle.block, %18
  %indvars.iv.next34 = add nuw nsw i64 %indvars.iv33, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next34, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge27, label %18, !llvm.loop !19

.lr.ph21:                                         ; preds = %.lr.ph21.preheader58, %.lr.ph21
  %indvars.iv30 = phi i64 [ %indvars.iv.next31, %.lr.ph21 ], [ %indvars.iv30.ph, %.lr.ph21.preheader58 ]
  %43 = sub nsw i64 %indvars.iv30, %21
  %44 = getelementptr inbounds [10010 x i32], ptr @f, i64 0, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = getelementptr inbounds [10010 x i32], ptr @f, i64 0, i64 %indvars.iv30
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = add nsw i32 %47, %45
  store i32 %48, ptr %46, align 4, !tbaa !5
  %indvars.iv.next31 = add nsw i64 %indvars.iv30, -1
  %.not15.not = icmp sgt i64 %indvars.iv30, %21
  br i1 %.not15.not, label %.lr.ph21, label %._crit_edge22, !llvm.loop !20
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

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 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 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" }

!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 = !{!12}
!12 = distinct !{!12, !13}
!13 = distinct !{!13, !"LVerDomain"}
!14 = !{!15}
!15 = distinct !{!15, !13}
!16 = distinct !{!16, !10, !17, !18}
!17 = !{!"llvm.loop.isvectorized", i32 1}
!18 = !{!"llvm.loop.unroll.runtime.disable"}
!19 = distinct !{!19, !10}
!20 = distinct !{!20, !10, !17}


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