; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/Good Bye 2013/Problem C (C)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@n = external dso_local global i32, align 4
@a = external dso_local global [300100 x i32], align 16
@val = external dso_local global i32, align 4
@v = external dso_local global %"class.std::vector", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = 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 i32, align 4
  %3 = alloca %"struct.std::pair", align 4
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n)
  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 = %17, %0
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = load i32, ptr @n, 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 %20

14:                                               ; preds = %9
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @val)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %16 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) @val, ptr noundef nonnull align 4 dereferenceable(4) %2)
  store i64 %16, ptr %3, align 4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @v, ptr noundef nonnull align 4 dereferenceable(8) %3)
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %17

17:                                               ; preds = %14
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = add nsw i32 %18, 1
  store i32 %19, ptr %2, align 4, !tbaa !5
  br label %9, !llvm.loop !9

20:                                               ; preds = %13
  %21 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #6
  %22 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %21, ptr %22, align 8
  %23 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #6
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  %25 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  %26 = load ptr, ptr %25, align 8
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  %28 = load ptr, ptr %27, align 8
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %26, ptr %28)
  %29 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef 0) #6
  %30 = getelementptr inbounds %"struct.std::pair", ptr %29, i32 0, i32 0
  %31 = load i32, ptr %30, align 4, !tbaa !11
  store i32 %31, ptr @val, align 4, !tbaa !5
  %32 = load i32, ptr @val, align 4, !tbaa !5
  %33 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef 0) #6
  %34 = getelementptr inbounds %"struct.std::pair", ptr %33, i32 0, i32 1
  %35 = load i32, ptr %34, align 4, !tbaa !13
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [300100 x i32], ptr @a, i64 0, i64 %36
  store i32 %32, ptr %37, 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 %38

38:                                               ; preds = %81, %20
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = load i32, ptr @n, align 4, !tbaa !5
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %43, label %42

42:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %84

43:                                               ; preds = %38
  %44 = load i32, ptr %6, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %45) #6
  %47 = getelementptr inbounds %"struct.std::pair", ptr %46, i32 0, i32 0
  %48 = load i32, ptr %47, align 4, !tbaa !11
  %49 = load i32, ptr @val, align 4, !tbaa !5
  %50 = icmp sle i32 %48, %49
  br i1 %50, label %51, label %62

51:                                               ; preds = %43
  %52 = load i32, ptr @val, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr @val, align 4, !tbaa !5
  %54 = load i32, ptr @val, align 4, !tbaa !5
  %55 = load i32, ptr %6, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %56) #6
  %58 = getelementptr inbounds %"struct.std::pair", ptr %57, i32 0, i32 1
  %59 = load i32, ptr %58, align 4, !tbaa !13
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds [300100 x i32], ptr @a, i64 0, i64 %60
  store i32 %54, ptr %61, align 4, !tbaa !5
  br label %80

62:                                               ; preds = %43
  %63 = load i32, ptr %6, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %64) #6
  %66 = getelementptr inbounds %"struct.std::pair", ptr %65, i32 0, i32 0
  %67 = load i32, ptr %66, align 4, !tbaa !11
  %68 = load i32, ptr %6, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %69) #6
  %71 = getelementptr inbounds %"struct.std::pair", ptr %70, i32 0, i32 1
  %72 = load i32, ptr %71, align 4, !tbaa !13
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds [300100 x i32], ptr @a, i64 0, i64 %73
  store i32 %67, ptr %74, align 4, !tbaa !5
  %75 = load i32, ptr %6, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %76) #6
  %78 = getelementptr inbounds %"struct.std::pair", ptr %77, i32 0, i32 0
  %79 = load i32, ptr %78, align 4, !tbaa !11
  store i32 %79, ptr @val, align 4, !tbaa !5
  br label %80

80:                                               ; preds = %62, %51
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %6, align 4, !tbaa !5
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %6, align 4, !tbaa !5
  br label %38, !llvm.loop !14

84:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %85

85:                                               ; preds = %96, %84
  %86 = load i32, ptr %7, align 4, !tbaa !5
  %87 = load i32, ptr @n, align 4, !tbaa !5
  %88 = icmp slt i32 %86, %87
  br i1 %88, label %90, label %89

89:                                               ; preds = %85
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %99

90:                                               ; preds = %85
  %91 = load i32, ptr %7, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [300100 x i32], ptr @a, i64 0, i64 %92
  %94 = load i32, ptr %93, align 4, !tbaa !5
  %95 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %94)
  br label %96

96:                                               ; preds = %90
  %97 = load i32, ptr %7, align 4, !tbaa !5
  %98 = add nsw i32 %97, 1
  store i32 %98, ptr %7, align 4, !tbaa !5
  br label %85, !llvm.loop !15

99:                                               ; preds = %89
  %100 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; 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 @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #5 align 2

declare i32 @printf(ptr noundef, ...) #1

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 = { 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 #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}
!15 = distinct !{!15, !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }

@n = external dso_local global i32, align 4
@a = external dso_local local_unnamed_addr global [300100 x i32], align 16
@val = external dso_local global i32, align 4
@v = external dso_local global %"class.std::vector", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = 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 i32, align 4
  %2 = alloca %"struct.std::pair", align 8
  %3 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  store i32 0, ptr %1, align 4, !tbaa !5
  %4 = load i32, ptr @n, align 4, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %6 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #6
  %7 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #6
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %6, ptr %7)
  %8 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef 0) #6
  %9 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %9, ptr @val, align 4, !tbaa !5
  %10 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef 0) #6
  %11 = getelementptr inbounds i8, ptr %10, i64 4
  %12 = load i32, ptr %11, align 4, !tbaa !11
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [300100 x i32], ptr @a, i64 0, i64 %13
  store i32 %9, ptr %14, align 4, !tbaa !5
  %15 = load i32, ptr @n, align 4, !tbaa !5
  %16 = icmp sgt i32 %15, 1
  br i1 %16, label %.lr.ph15, label %.preheader

.lr.ph:                                           ; preds = %0, %.lr.ph
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @val)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %18 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) @val, ptr noundef nonnull align 4 dereferenceable(4) %1)
  store i64 %18, ptr %2, align 8
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @v, ptr noundef nonnull align 4 dereferenceable(8) %2)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %1, align 4, !tbaa !5
  %21 = load i32, ptr @n, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %.lr.ph, label %._crit_edge, !llvm.loop !12

.preheader:                                       ; preds = %45, %._crit_edge
  %23 = phi i32 [ %15, %._crit_edge ], [ %46, %45 ]
  %24 = icmp sgt i32 %23, 0
  br i1 %24, label %.lr.ph17, label %._crit_edge18

.lr.ph15:                                         ; preds = %._crit_edge, %45
  %indvars.iv = phi i64 [ %indvars.iv.next, %45 ], [ 1, %._crit_edge ]
  %25 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv) #6
  %26 = load i32, ptr %25, align 4, !tbaa !9
  %27 = load i32, ptr @val, align 4, !tbaa !5
  %.not = icmp sgt i32 %26, %27
  br i1 %.not, label %35, label %28

28:                                               ; preds = %.lr.ph15
  %29 = add nsw i32 %27, 1
  store i32 %29, ptr @val, align 4, !tbaa !5
  %30 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv) #6
  %31 = getelementptr inbounds i8, ptr %30, i64 4
  %32 = load i32, ptr %31, align 4, !tbaa !11
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [300100 x i32], ptr @a, i64 0, i64 %33
  store i32 %29, ptr %34, align 4, !tbaa !5
  br label %45

35:                                               ; preds = %.lr.ph15
  %36 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv) #6
  %37 = load i32, ptr %36, align 4, !tbaa !9
  %38 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv) #6
  %39 = getelementptr inbounds i8, ptr %38, i64 4
  %40 = load i32, ptr %39, align 4, !tbaa !11
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [300100 x i32], ptr @a, i64 0, i64 %41
  store i32 %37, ptr %42, align 4, !tbaa !5
  %43 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv) #6
  %44 = load i32, ptr %43, align 4, !tbaa !9
  store i32 %44, ptr @val, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %28, %35
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %46 = load i32, ptr @n, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = icmp slt i64 %indvars.iv.next, %47
  br i1 %48, label %.lr.ph15, label %.preheader, !llvm.loop !14

._crit_edge18:                                    ; preds = %.lr.ph17, %.preheader
  %49 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  ret i32 0

.lr.ph17:                                         ; preds = %.preheader, %.lr.ph17
  %indvars.iv20 = phi i64 [ %indvars.iv.next21, %.lr.ph17 ], [ 0, %.preheader ]
  %50 = getelementptr inbounds [300100 x i32], ptr @a, i64 0, i64 %indvars.iv20
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %51)
  %indvars.iv.next21 = add nuw nsw i64 %indvars.iv20, 1
  %53 = load i32, ptr @n, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = icmp slt i64 %indvars.iv.next21, %54
  br i1 %55, label %.lr.ph17, label %._crit_edge18, !llvm.loop !15
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) 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 uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; 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 @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

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 = { nofree nounwind "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 = { 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 = { 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 #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}
!15 = distinct !{!15, !13}


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