; LLVM IR from DionysiosB/CodeForces :: 0600-0699 (616C-TheLabyrinth)

; 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 { i64, i64 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %0, i64 noundef %1, i64 %2, i64 %3, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %6) #0 {
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca %"struct.std::pair", align 8
  %16 = alloca %"struct.std::pair", align 8
  %17 = alloca %"struct.std::pair", align 8
  %18 = getelementptr inbounds { i64, i64 }, ptr %8, i32 0, i32 0
  store i64 %2, ptr %18, align 8
  %19 = getelementptr inbounds { i64, i64 }, ptr %8, i32 0, i32 1
  store i64 %3, ptr %19, align 8
  store i64 %0, ptr %9, align 8, !tbaa !5
  store i64 %1, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !9
  store ptr %5, ptr %12, align 8, !tbaa !9
  store ptr %6, ptr %13, align 8, !tbaa !9
  %20 = load i64, ptr %9, align 8, !tbaa !5
  %21 = icmp slt i64 %20, 0
  br i1 %21, label %27, label %22

22:                                               ; preds = %7
  %23 = load i64, ptr %9, align 8, !tbaa !5
  %24 = load ptr, ptr %13, align 8, !tbaa !9
  %25 = call noundef i64 @_ZNKSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %24) #3
  %26 = icmp uge i64 %23, %25
  br i1 %26, label %27, label %28

27:                                               ; preds = %22, %7
  br label %108

28:                                               ; preds = %22
  %29 = load i64, ptr %10, align 8, !tbaa !5
  %30 = icmp slt i64 %29, 0
  br i1 %30, label %37, label %31

31:                                               ; preds = %28
  %32 = load i64, ptr %10, align 8, !tbaa !5
  %33 = load ptr, ptr %13, align 8, !tbaa !9
  %34 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %33, i64 noundef 0) #3
  %35 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %34) #3
  %36 = icmp uge i64 %32, %35
  br i1 %36, label %37, label %38

37:                                               ; preds = %31, %28
  br label %108

38:                                               ; preds = %31
  %39 = load ptr, ptr %12, align 8, !tbaa !9
  %40 = load i64, ptr %9, align 8, !tbaa !5
  %41 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %39, i64 noundef %40) #3
  %42 = load i64, ptr %10, align 8, !tbaa !5
  %43 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %41, i64 noundef %42) #3
  %44 = load i8, ptr %43, align 1, !tbaa !11
  %45 = sext i8 %44 to i32
  %46 = icmp eq i32 %45, 42
  br i1 %46, label %47, label %48

47:                                               ; preds = %38
  br label %108

48:                                               ; preds = %38
  %49 = load ptr, ptr %13, align 8, !tbaa !9
  %50 = load i64, ptr %9, align 8, !tbaa !5
  %51 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %49, i64 noundef %50) #3
  %52 = load i64, ptr %10, align 8, !tbaa !5
  %53 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %51, i64 noundef %52) #3
  %54 = getelementptr inbounds %"struct.std::pair", ptr %53, i32 0, i32 0
  %55 = load i64, ptr %54, align 8, !tbaa !12
  %56 = icmp sge i64 %55, 0
  br i1 %56, label %57, label %58

57:                                               ; preds = %48
  br label %108

58:                                               ; preds = %48
  %59 = load ptr, ptr %13, align 8, !tbaa !9
  %60 = load i64, ptr %9, align 8, !tbaa !5
  %61 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %59, i64 noundef %60) #3
  %62 = load i64, ptr %10, align 8, !tbaa !5
  %63 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %61, i64 noundef %62) #3
  %64 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %63, ptr noundef nonnull align 8 dereferenceable(16) %8)
  %65 = load ptr, ptr %11, align 8, !tbaa !9
  %66 = load i64, ptr %65, align 8, !tbaa !5
  %67 = add nsw i64 %66, 1
  store i64 %67, ptr %65, align 8, !tbaa !5
  %68 = load i64, ptr %9, align 8, !tbaa !5
  %69 = sub nsw i64 %68, 1
  %70 = load i64, ptr %10, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %14, ptr align 8 %8, i64 16, i1 false)
  %71 = load ptr, ptr %11, align 8, !tbaa !9
  %72 = load ptr, ptr %12, align 8, !tbaa !9
  %73 = load ptr, ptr %13, align 8, !tbaa !9
  %74 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 0
  %75 = load i64, ptr %74, align 8
  %76 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 1
  %77 = load i64, ptr %76, align 8
  call void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %69, i64 noundef %70, i64 %75, i64 %77, ptr noundef nonnull align 8 dereferenceable(8) %71, ptr noundef nonnull align 8 dereferenceable(24) %72, ptr noundef nonnull align 8 dereferenceable(24) %73)
  %78 = load i64, ptr %9, align 8, !tbaa !5
  %79 = add nsw i64 %78, 1
  %80 = load i64, ptr %10, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %15, ptr align 8 %8, i64 16, i1 false)
  %81 = load ptr, ptr %11, align 8, !tbaa !9
  %82 = load ptr, ptr %12, align 8, !tbaa !9
  %83 = load ptr, ptr %13, align 8, !tbaa !9
  %84 = getelementptr inbounds { i64, i64 }, ptr %15, i32 0, i32 0
  %85 = load i64, ptr %84, align 8
  %86 = getelementptr inbounds { i64, i64 }, ptr %15, i32 0, i32 1
  %87 = load i64, ptr %86, align 8
  call void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %79, i64 noundef %80, i64 %85, i64 %87, ptr noundef nonnull align 8 dereferenceable(8) %81, ptr noundef nonnull align 8 dereferenceable(24) %82, ptr noundef nonnull align 8 dereferenceable(24) %83)
  %88 = load i64, ptr %9, align 8, !tbaa !5
  %89 = load i64, ptr %10, align 8, !tbaa !5
  %90 = sub nsw i64 %89, 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %16, ptr align 8 %8, i64 16, i1 false)
  %91 = load ptr, ptr %11, align 8, !tbaa !9
  %92 = load ptr, ptr %12, align 8, !tbaa !9
  %93 = load ptr, ptr %13, align 8, !tbaa !9
  %94 = getelementptr inbounds { i64, i64 }, ptr %16, i32 0, i32 0
  %95 = load i64, ptr %94, align 8
  %96 = getelementptr inbounds { i64, i64 }, ptr %16, i32 0, i32 1
  %97 = load i64, ptr %96, align 8
  call void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %88, i64 noundef %90, i64 %95, i64 %97, ptr noundef nonnull align 8 dereferenceable(8) %91, ptr noundef nonnull align 8 dereferenceable(24) %92, ptr noundef nonnull align 8 dereferenceable(24) %93)
  %98 = load i64, ptr %9, align 8, !tbaa !5
  %99 = load i64, ptr %10, align 8, !tbaa !5
  %100 = add nsw i64 %99, 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %17, ptr align 8 %8, i64 16, i1 false)
  %101 = load ptr, ptr %11, align 8, !tbaa !9
  %102 = load ptr, ptr %12, align 8, !tbaa !9
  %103 = load ptr, ptr %13, align 8, !tbaa !9
  %104 = getelementptr inbounds { i64, i64 }, ptr %17, i32 0, i32 0
  %105 = load i64, ptr %104, align 8
  %106 = getelementptr inbounds { i64, i64 }, ptr %17, i32 0, i32 1
  %107 = load i64, ptr %106, align 8
  call void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %98, i64 noundef %100, i64 %105, i64 %107, ptr noundef nonnull align 8 dereferenceable(8) %101, ptr noundef nonnull align 8 dereferenceable(24) %102, ptr noundef nonnull align 8 dereferenceable(24) %103)
  br label %108

108:                                              ; preds = %58, %57, %47, %37, %27
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #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 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 #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !6, i64 0}
!13 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}


; 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 { i64, i64 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %0, i64 noundef %1, i64 %2, i64 %3, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %6) local_unnamed_addr #0 {
  %8 = alloca %"struct.std::pair", align 8
  store i64 %2, ptr %8, align 8
  %9 = getelementptr inbounds i8, ptr %8, i64 8
  store i64 %3, ptr %9, align 8
  %10 = icmp slt i64 %0, 0
  br i1 %10, label %38, label %11

11:                                               ; preds = %7
  %12 = tail call noundef i64 @_ZNKSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #1
  %13 = icmp ule i64 %12, %0
  %14 = icmp slt i64 %1, 0
  %or.cond = or i1 %14, %13
  br i1 %or.cond, label %38, label %15

15:                                               ; preds = %11
  %16 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 0) #1
  %17 = tail call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #1
  %.not = icmp ugt i64 %17, %1
  br i1 %.not, label %18, label %38

18:                                               ; preds = %15
  %19 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %0) #1
  %20 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %19, i64 noundef %1) #1
  %21 = load i8, ptr %20, align 1, !tbaa !5
  %22 = icmp eq i8 %21, 42
  br i1 %22, label %38, label %23

23:                                               ; preds = %18
  %24 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %0) #1
  %25 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %24, i64 noundef %1) #1
  %26 = load i64, ptr %25, align 8, !tbaa !8
  %27 = icmp sgt i64 %26, -1
  br i1 %27, label %38, label %28

28:                                               ; preds = %23
  %29 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %0) #1
  %30 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %29, i64 noundef %1) #1
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 8 dereferenceable(16) %8)
  %32 = load i64, ptr %4, align 8, !tbaa !11
  %33 = add nsw i64 %32, 1
  store i64 %33, ptr %4, align 8, !tbaa !11
  %34 = add nsw i64 %0, -1
  %.sroa.06.0.copyload = load i64, ptr %8, align 8
  %.sroa.27.0.copyload = load i64, ptr %9, align 8
  call void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %34, i64 noundef %1, i64 %.sroa.06.0.copyload, i64 %.sroa.27.0.copyload, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %6)
  %35 = add nuw nsw i64 %0, 1
  %.sroa.04.0.copyload = load i64, ptr %8, align 8
  %.sroa.25.0.copyload = load i64, ptr %9, align 8
  call void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %35, i64 noundef %1, i64 %.sroa.04.0.copyload, i64 %.sroa.25.0.copyload, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %6)
  %36 = add nsw i64 %1, -1
  %.sroa.02.0.copyload = load i64, ptr %8, align 8
  %.sroa.23.0.copyload = load i64, ptr %9, align 8
  call void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %0, i64 noundef %36, i64 %.sroa.02.0.copyload, i64 %.sroa.23.0.copyload, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %6)
  %37 = add nuw nsw i64 %1, 1
  %.sroa.0.0.copyload = load i64, ptr %8, align 8
  %.sroa.2.0.copyload = load i64, ptr %9, align 8
  call void @_Z3dfsllSt4pairIllERlRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EERS2_IS2_IS0_SaIS0_EESaISE_EE(i64 noundef %0, i64 noundef %37, i64 %.sroa.0.0.copyload, i64 %.sroa.2.0.copyload, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %6)
  br label %38

38:                                               ; preds = %23, %18, %15, %7, %11, %28
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIllESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !10, i64 0}
!9 = !{!"_ZTSSt4pairIllE", !10, i64 0, !10, i64 8}
!10 = !{!"long", !6, i64 0}
!11 = !{!10, !10, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass