; LLVM IR from eyangch/competitive-programming :: USACOcontests/gold/2017.03 (cownomics)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"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" }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@_Z1aB5cxx11 = external dso_local global [500 x %"class.std::__cxx11::basic_string"], align 16
@_Z1bB5cxx11 = external dso_local global [500 x %"class.std::__cxx11::basic_string"], align 16
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external global ptr, align 8
@.str.6 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.8 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5worksii(i32 noundef, i32 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %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
  %7 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %8 = load ptr, ptr @stdin, align 8, !tbaa !5
  %9 = call ptr @freopen(ptr noundef @.str, ptr noundef @.str.5, ptr noundef %8)
  %10 = load ptr, ptr @stdout, align 8, !tbaa !5
  %11 = call ptr @freopen(ptr noundef @.str.6, ptr noundef @.str.7, ptr noundef %10)
  %12 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !9
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %15
  %17 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  %18 = 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)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) @M)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !11
  br label %20

20:                                               ; preds = %30, %0
  %21 = load i32, ptr %2, align 4, !tbaa !11
  %22 = load i32, ptr @N, align 4, !tbaa !11
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %33

25:                                               ; preds = %20
  %26 = load i32, ptr %2, align 4, !tbaa !11
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [500 x %"class.std::__cxx11::basic_string"], ptr @_Z1aB5cxx11, i64 0, i64 %27
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %28)
  br label %30

30:                                               ; preds = %25
  %31 = load i32, ptr %2, align 4, !tbaa !11
  %32 = add nsw i32 %31, 1
  store i32 %32, ptr %2, align 4, !tbaa !11
  br label %20, !llvm.loop !13

33:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 0, ptr %3, align 4, !tbaa !11
  br label %34

34:                                               ; preds = %44, %33
  %35 = load i32, ptr %3, align 4, !tbaa !11
  %36 = load i32, ptr @N, align 4, !tbaa !11
  %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 %3) #7
  br label %47

39:                                               ; preds = %34
  %40 = load i32, ptr %3, align 4, !tbaa !11
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [500 x %"class.std::__cxx11::basic_string"], ptr @_Z1bB5cxx11, i64 0, i64 %41
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %42)
  br label %44

44:                                               ; preds = %39
  %45 = load i32, ptr %3, align 4, !tbaa !11
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %3, align 4, !tbaa !11
  br label %34, !llvm.loop !15

47:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  store i32 0, ptr %4, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 1, ptr %5, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  store i32 2147483647, ptr %6, align 4, !tbaa !11
  br label %48

48:                                               ; preds = %78, %47
  %49 = load i32, ptr %5, align 4, !tbaa !11
  %50 = load i32, ptr @M, align 4, !tbaa !11
  %51 = icmp sle i32 %49, %50
  br i1 %51, label %52, label %81

52:                                               ; preds = %48
  %53 = load i32, ptr %4, align 4, !tbaa !11
  %54 = load i32, ptr %5, align 4, !tbaa !11
  %55 = call noundef zeroext i1 @_Z5worksii(i32 noundef %53, i32 noundef %54)
  br i1 %55, label %56, label %78

56:                                               ; preds = %52
  br label %57

57:                                               ; preds = %74, %56
  %58 = load i32, ptr %4, align 4, !tbaa !11
  %59 = load i32, ptr %5, align 4, !tbaa !11
  %60 = icmp slt i32 %58, %59
  br i1 %60, label %61, label %77

61:                                               ; preds = %57
  %62 = load i32, ptr %4, align 4, !tbaa !11
  %63 = add nsw i32 %62, 1
  %64 = load i32, ptr %5, align 4, !tbaa !11
  %65 = call noundef zeroext i1 @_Z5worksii(i32 noundef %63, i32 noundef %64)
  br i1 %65, label %74, label %66

66:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  %67 = load i32, ptr %5, align 4, !tbaa !11
  %68 = load i32, ptr %4, align 4, !tbaa !11
  %69 = sub nsw i32 %67, %68
  store i32 %69, ptr %7, align 4, !tbaa !11
  %70 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %71 = load i32, ptr %70, align 4, !tbaa !11
  store i32 %71, ptr %6, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  %72 = load i32, ptr %4, align 4, !tbaa !11
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %4, align 4, !tbaa !11
  br label %77

74:                                               ; preds = %61
  %75 = load i32, ptr %4, align 4, !tbaa !11
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr %4, align 4, !tbaa !11
  br label %57, !llvm.loop !16

77:                                               ; preds = %66, %57
  br label %78

78:                                               ; preds = %77, %52
  %79 = load i32, ptr %5, align 4, !tbaa !11
  %80 = add nsw i32 %79, 1
  store i32 %80, ptr %5, align 4, !tbaa !11
  br label %48, !llvm.loop !17

81:                                               ; preds = %48
  %82 = load i32, ptr %6, align 4, !tbaa !11
  %83 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %82)
  %84 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %83, ptr noundef @.str.8)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  ret i32 0
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) #3

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

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 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 #3 = { "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 = { 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 = { 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 #6 = { 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 #7 = { 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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"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" }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@_Z1aB5cxx11 = external dso_local global [500 x %"class.std::__cxx11::basic_string"], align 16
@_Z1bB5cxx11 = external dso_local global [500 x %"class.std::__cxx11::basic_string"], align 16
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external local_unnamed_addr global ptr, align 8
@.str.6 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.8 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5worksii(i32 noundef, i32 noundef) local_unnamed_addr #0

; 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = load ptr, ptr @stdin, align 8, !tbaa !5
  %4 = tail call ptr @freopen(ptr noundef nonnull @.str, ptr noundef nonnull @.str.5, ptr noundef %3)
  %5 = load ptr, ptr @stdout, align 8, !tbaa !5
  %6 = tail call ptr @freopen(ptr noundef nonnull @.str.6, ptr noundef nonnull @.str.7, ptr noundef %5)
  %7 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %8 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !9
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %10
  %12 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %11, ptr noundef null)
  %13 = 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)
  %14 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 4 dereferenceable(4) @M)
  %15 = load i32, ptr @N, align 4, !tbaa !11
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph, label %._crit_edge

.preheader21:                                     ; preds = %.lr.ph
  %17 = icmp sgt i32 %20, 0
  br i1 %17, label %.lr.ph25, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %18 = getelementptr inbounds [500 x %"class.std::__cxx11::basic_string"], ptr @_Z1aB5cxx11, i64 0, i64 %indvars.iv
  %19 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %18)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %20 = load i32, ptr @N, align 4, !tbaa !11
  %21 = sext i32 %20 to i64
  %22 = icmp slt i64 %indvars.iv.next, %21
  br i1 %22, label %.lr.ph, label %.preheader21, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph25, %0, %.preheader21
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  store i32 2147483647, ptr %1, align 4, !tbaa !11
  %23 = load i32, ptr @M, align 4, !tbaa !11
  %.not26 = icmp slt i32 %23, 1
  br i1 %.not26, label %._crit_edge31, label %.lr.ph30

.lr.ph25:                                         ; preds = %.preheader21, %.lr.ph25
  %indvars.iv34 = phi i64 [ %indvars.iv.next35, %.lr.ph25 ], [ 0, %.preheader21 ]
  %24 = getelementptr inbounds [500 x %"class.std::__cxx11::basic_string"], ptr @_Z1bB5cxx11, i64 0, i64 %indvars.iv34
  %25 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %24)
  %indvars.iv.next35 = add nuw nsw i64 %indvars.iv34, 1
  %26 = load i32, ptr @N, align 4, !tbaa !11
  %27 = sext i32 %26 to i64
  %28 = icmp slt i64 %indvars.iv.next35, %27
  br i1 %28, label %.lr.ph25, label %._crit_edge, !llvm.loop !15

.lr.ph30:                                         ; preds = %._crit_edge, %.loopexit
  %.028 = phi i32 [ %37, %.loopexit ], [ 1, %._crit_edge ]
  %.01827 = phi i32 [ %.2, %.loopexit ], [ 0, %._crit_edge ]
  %29 = call noundef zeroext i1 @_Z5worksii(i32 noundef %.01827, i32 noundef %.028)
  br i1 %29, label %.preheader.preheader, label %.loopexit

.preheader.preheader:                             ; preds = %.lr.ph30
  %smax = call i32 @llvm.smax.i32(i32 %.01827, i32 %.028)
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %30
  %.1 = phi i32 [ %31, %30 ], [ %.01827, %.preheader.preheader ]
  %exitcond.not = icmp eq i32 %.1, %smax
  br i1 %exitcond.not, label %.loopexit, label %30

30:                                               ; preds = %.preheader
  %31 = add i32 %.1, 1
  %32 = call noundef zeroext i1 @_Z5worksii(i32 noundef %31, i32 noundef %.028)
  br i1 %32, label %.preheader, label %33, !llvm.loop !16

33:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #8
  %34 = sub nsw i32 %.028, %.1
  store i32 %34, ptr %2, align 4, !tbaa !11
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %36 = load i32, ptr %35, align 4, !tbaa !11
  store i32 %36, ptr %1, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  br label %.loopexit

.loopexit:                                        ; preds = %.preheader, %33, %.lr.ph30
  %.2 = phi i32 [ %31, %33 ], [ %.01827, %.lr.ph30 ], [ %smax, %.preheader ]
  %37 = add nuw nsw i32 %.028, 1
  %38 = load i32, ptr @M, align 4, !tbaa !11
  %.not.not = icmp slt i32 %.028, %38
  br i1 %.not.not, label %.lr.ph30, label %._crit_edge31.loopexit, !llvm.loop !17

._crit_edge31.loopexit:                           ; preds = %.loopexit
  %.pre = load i32, ptr %1, align 4, !tbaa !11
  br label %._crit_edge31

._crit_edge31:                                    ; preds = %._crit_edge31.loopexit, %._crit_edge
  %39 = phi i32 [ %.pre, %._crit_edge31.loopexit ], [ 2147483647, %._crit_edge ]
  %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 @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef nonnull @.str.8)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #4 align 2

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 #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #7

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 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 #3 = { "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 = { 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 = { 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 #6 = { 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 #7 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #8 = { 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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}


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