; LLVM IR from upupming/algorithm :: acwing/寒假每日一题（入门组）/week2/422. 校门外的树-区间合并 (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"

%"struct.std::pair" = type { i32, i32 }
%"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" }

@l = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@seg = external dso_local global [110 x %"struct.std::pair"], align 16
@_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
  %6 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @l)
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(4) @m)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %25, %0
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = load i32, ptr @m, align 4, !tbaa !5
  %12 = icmp slt i32 %10, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %28

14:                                               ; preds = %9
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [110 x %"struct.std::pair"], ptr @seg, i64 0, i64 %16
  %18 = getelementptr inbounds %"struct.std::pair", ptr %17, i32 0, i32 0
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %18)
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [110 x %"struct.std::pair"], ptr @seg, i64 0, i64 %21
  %23 = getelementptr inbounds %"struct.std::pair", ptr %22, i32 0, i32 1
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) %23)
  br label %25

25:                                               ; preds = %14
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %2, align 4, !tbaa !5
  br label %9, !llvm.loop !9

28:                                               ; preds = %13
  %29 = load i32, ptr @m, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds %"struct.std::pair", ptr @seg, i64 %30
  call void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef @seg, ptr noundef %31)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  %32 = load i32, ptr @seg, align 16, !tbaa !11
  store i32 %32, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %33 = load i32, ptr getelementptr inbounds (%"struct.std::pair", ptr @seg, i32 0, i32 1), align 4, !tbaa !13
  store i32 %33, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %72, %28
  %35 = load i32, ptr %6, align 4, !tbaa !5
  %36 = load i32, ptr @m, align 4, !tbaa !5
  %37 = icmp slt i32 %35, %36
  br i1 %37, label %39, label %38

38:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %75

39:                                               ; preds = %34
  %40 = load i32, ptr %6, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [110 x %"struct.std::pair"], ptr @seg, i64 0, i64 %41
  %43 = getelementptr inbounds %"struct.std::pair", ptr %42, i32 0, i32 0
  %44 = load i32, ptr %43, align 8, !tbaa !11
  %45 = load i32, ptr %5, align 4, !tbaa !5
  %46 = icmp sle i32 %44, %45
  br i1 %46, label %47, label %54

47:                                               ; preds = %39
  %48 = load i32, ptr %6, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [110 x %"struct.std::pair"], ptr @seg, i64 0, i64 %49
  %51 = getelementptr inbounds %"struct.std::pair", ptr %50, i32 0, i32 1
  %52 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %51)
  %53 = load i32, ptr %52, align 4, !tbaa !5
  store i32 %53, ptr %5, align 4, !tbaa !5
  br label %71

54:                                               ; preds = %39
  %55 = load i32, ptr %5, align 4, !tbaa !5
  %56 = load i32, ptr %4, align 4, !tbaa !5
  %57 = sub nsw i32 %55, %56
  %58 = add nsw i32 %57, 1
  %59 = load i32, ptr %3, align 4, !tbaa !5
  %60 = add nsw i32 %59, %58
  store i32 %60, ptr %3, align 4, !tbaa !5
  %61 = load i32, ptr %6, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds [110 x %"struct.std::pair"], ptr @seg, i64 0, i64 %62
  %64 = getelementptr inbounds %"struct.std::pair", ptr %63, i32 0, i32 0
  %65 = load i32, ptr %64, align 8, !tbaa !11
  store i32 %65, ptr %4, align 4, !tbaa !5
  %66 = load i32, ptr %6, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [110 x %"struct.std::pair"], ptr @seg, i64 0, i64 %67
  %69 = getelementptr inbounds %"struct.std::pair", ptr %68, i32 0, i32 1
  %70 = load i32, ptr %69, align 4, !tbaa !13
  store i32 %70, ptr %5, align 4, !tbaa !5
  br label %71

71:                                               ; preds = %54, %47
  br label %72

72:                                               ; preds = %71
  %73 = load i32, ptr %6, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %6, align 4, !tbaa !5
  br label %34, !llvm.loop !14

75:                                               ; preds = %38
  %76 = load i32, ptr %5, align 4, !tbaa !5
  %77 = load i32, ptr %4, align 4, !tbaa !5
  %78 = sub nsw i32 %76, %77
  %79 = add nsw i32 %78, 1
  %80 = load i32, ptr %3, align 4, !tbaa !5
  %81 = add nsw i32 %80, %79
  store i32 %81, ptr %3, align 4, !tbaa !5
  %82 = load i32, ptr @l, align 4, !tbaa !5
  %83 = add nsw i32 %82, 1
  %84 = load i32, ptr %3, align 4, !tbaa !5
  %85 = sub nsw i32 %83, %84
  store i32 %85, ptr %3, align 4, !tbaa !5
  %86 = load i32, ptr %3, align 4, !tbaa !5
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %86)
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %87, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef, ptr noundef) #3

; 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)) #4

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) #5 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #4 = { 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 #5 = { 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 #6 = { 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 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!13 = !{!12, !6, i64 4}
!14 = distinct !{!14, !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"

%"struct.std::pair" = type { i32, i32 }
%"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" }

@l = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@seg = external dso_local global [110 x %"struct.std::pair"], align 16
@_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 = alloca i32, align 4
  %2 = 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) @l)
  %3 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) @m)
  %4 = load i32, ptr @m, align 4, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %.._crit_edge_crit_edge

.._crit_edge_crit_edge:                           ; preds = %0
  %.pre42 = sext i32 %4 to i64
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre42, %.._crit_edge_crit_edge ], [ %16, %.lr.ph ]
  %6 = getelementptr inbounds %"struct.std::pair", ptr @seg, i64 %.pre-phi
  tail call void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef nonnull @seg, ptr noundef nonnull %6)
  %7 = load i32, ptr @seg, align 16, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %8 = load i32, ptr getelementptr inbounds (i8, ptr @seg, i64 4), align 4, !tbaa !11
  store i32 %8, ptr %1, align 4, !tbaa !5
  %9 = load i32, ptr @m, align 4, !tbaa !5
  %10 = icmp sgt i32 %9, 1
  br i1 %10, label %.lr.ph33, label %._crit_edge34

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %11 = getelementptr inbounds [110 x %"struct.std::pair"], ptr @seg, i64 0, i64 %indvars.iv
  %12 = 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) %11)
  %13 = getelementptr inbounds i8, ptr %11, i64 4
  %14 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 4 dereferenceable(4) %13)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %15 = load i32, ptr @m, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = icmp slt i64 %indvars.iv.next, %16
  br i1 %17, label %.lr.ph, label %._crit_edge, !llvm.loop !12

._crit_edge34:                                    ; preds = %37, %._crit_edge
  %18 = phi i32 [ %8, %._crit_edge ], [ %storemerge, %37 ]
  %.017.lcssa = phi i32 [ 0, %._crit_edge ], [ %.118, %37 ]
  %.016.neg.lcssa.neg = phi i32 [ %7, %._crit_edge ], [ %.1, %37 ]
  %19 = load i32, ptr @l, align 4, !tbaa !5
  %20 = add i32 %.017.lcssa, %18
  %21 = sub i32 %.016.neg.lcssa.neg, %20
  %22 = add i32 %21, %19
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %22)
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

.lr.ph33:                                         ; preds = %._crit_edge, %37
  %25 = phi i32 [ %38, %37 ], [ %9, %._crit_edge ]
  %26 = phi i32 [ %storemerge, %37 ], [ %8, %._crit_edge ]
  %indvars.iv39 = phi i64 [ %indvars.iv.next40, %37 ], [ 1, %._crit_edge ]
  %.01629 = phi i32 [ %.1, %37 ], [ %7, %._crit_edge ]
  %.01728 = phi i32 [ %.118, %37 ], [ 0, %._crit_edge ]
  %27 = getelementptr inbounds [110 x %"struct.std::pair"], ptr @seg, i64 0, i64 %indvars.iv39
  %28 = load i32, ptr %27, align 8, !tbaa !9
  %.not = icmp sgt i32 %28, %26
  br i1 %.not, label %32, label %29

29:                                               ; preds = %.lr.ph33
  %30 = getelementptr inbounds i8, ptr %27, i64 4
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %1, ptr noundef nonnull align 4 dereferenceable(4) %30)
  %.pre = load i32, ptr @m, align 4, !tbaa !5
  br label %37

32:                                               ; preds = %.lr.ph33
  %33 = add i32 %.01728, 1
  %34 = sub i32 %33, %.01629
  %35 = add i32 %34, %26
  %36 = getelementptr inbounds i8, ptr %27, i64 4
  br label %37

37:                                               ; preds = %29, %32
  %38 = phi i32 [ %25, %32 ], [ %.pre, %29 ]
  %storemerge.in = phi ptr [ %36, %32 ], [ %31, %29 ]
  %.118 = phi i32 [ %35, %32 ], [ %.01728, %29 ]
  %.1 = phi i32 [ %28, %32 ], [ %.01629, %29 ]
  %storemerge = load i32, ptr %storemerge.in, align 4, !tbaa !5
  store i32 %storemerge, ptr %1, align 4, !tbaa !5
  %indvars.iv.next40 = add nuw nsw i64 %indvars.iv39, 1
  %39 = sext i32 %38 to i64
  %40 = icmp slt i64 %indvars.iv.next40, %39
  br i1 %40, label %.lr.ph33, label %._crit_edge34, !llvm.loop !14
}

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

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef, ptr noundef) local_unnamed_addr #3

; 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 #4

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 #5 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #4 = { 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 #5 = { 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 #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 4}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


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