; LLVM IR from eyangch/competitive-programming :: GoogleKickstart/2020E (longestarithmetic)

; 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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 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 i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %14 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %15 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %16 = getelementptr i8, ptr %15, i64 -24
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %17
  %19 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %18, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  store i32 1, ptr %3, align 4, !tbaa !8
  br label %21

21:                                               ; preds = %102, %0
  %22 = load i32, ptr %3, align 4, !tbaa !8
  %23 = load i32, ptr %2, align 4, !tbaa !8
  %24 = icmp sle i32 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  store i32 2, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  br label %105

26:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %28 = load i32, ptr %5, align 4, !tbaa !8
  %29 = zext i32 %28 to i64
  %30 = call ptr @llvm.stacksave.p0()
  store ptr %30, ptr %6, align 8
  %31 = alloca i32, i64 %29, align 16
  store i64 %29, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  store i32 0, ptr %8, align 4, !tbaa !8
  br label %32

32:                                               ; preds = %42, %26
  %33 = load i32, ptr %8, align 4, !tbaa !8
  %34 = load i32, ptr %5, align 4, !tbaa !8
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  br label %45

37:                                               ; preds = %32
  %38 = load i32, ptr %8, align 4, !tbaa !8
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds i32, ptr %31, i64 %39
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %40)
  br label %42

42:                                               ; preds = %37
  %43 = load i32, ptr %8, align 4, !tbaa !8
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %8, align 4, !tbaa !8
  br label %32, !llvm.loop !11

45:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #8
  store i32 0, ptr %9, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  store i32 0, ptr %10, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #8
  store i32 -1, ptr %11, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #8
  store i32 0, ptr %12, align 4, !tbaa !8
  br label %46

46:                                               ; preds = %85, %45
  %47 = load i32, ptr %10, align 4, !tbaa !8
  %48 = load i32, ptr %5, align 4, !tbaa !8
  %49 = sub nsw i32 %48, 1
  %50 = icmp slt i32 %47, %49
  br i1 %50, label %51, label %93

51:                                               ; preds = %46
  %52 = load i32, ptr %10, align 4, !tbaa !8
  %53 = sext i32 %52 to i64
  %54 = getelementptr inbounds i32, ptr %31, i64 %53
  %55 = load i32, ptr %54, align 4, !tbaa !8
  %56 = load i32, ptr %10, align 4, !tbaa !8
  %57 = add nsw i32 %56, 1
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds i32, ptr %31, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !8
  %61 = sub nsw i32 %55, %60
  store i32 %61, ptr %9, align 4, !tbaa !8
  br label %62

62:                                               ; preds = %82, %51
  %63 = load i32, ptr %10, align 4, !tbaa !8
  %64 = load i32, ptr %5, align 4, !tbaa !8
  %65 = sub nsw i32 %64, 1
  %66 = icmp slt i32 %63, %65
  br i1 %66, label %67, label %80

67:                                               ; preds = %62
  %68 = load i32, ptr %10, align 4, !tbaa !8
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds i32, ptr %31, i64 %69
  %71 = load i32, ptr %70, align 4, !tbaa !8
  %72 = load i32, ptr %10, align 4, !tbaa !8
  %73 = add nsw i32 %72, 1
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds i32, ptr %31, i64 %74
  %76 = load i32, ptr %75, align 4, !tbaa !8
  %77 = sub nsw i32 %71, %76
  %78 = load i32, ptr %9, align 4, !tbaa !8
  %79 = icmp eq i32 %77, %78
  br label %80

80:                                               ; preds = %67, %62
  %81 = phi i1 [ false, %62 ], [ %79, %67 ]
  br i1 %81, label %82, label %85

82:                                               ; preds = %80
  %83 = load i32, ptr %10, align 4, !tbaa !8
  %84 = add nsw i32 %83, 1
  store i32 %84, ptr %10, align 4, !tbaa !8
  br label %62, !llvm.loop !13

85:                                               ; preds = %80
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  %86 = load i32, ptr %10, align 4, !tbaa !8
  %87 = load i32, ptr %11, align 4, !tbaa !8
  %88 = sub nsw i32 %86, %87
  store i32 %88, ptr %13, align 4, !tbaa !8
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %13)
  %90 = load i32, ptr %89, align 4, !tbaa !8
  store i32 %90, ptr %12, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  %91 = load i32, ptr %10, align 4, !tbaa !8
  %92 = sub nsw i32 %91, 1
  store i32 %92, ptr %11, align 4, !tbaa !8
  br label %46, !llvm.loop !14

93:                                               ; preds = %46
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %95 = load i32, ptr %3, align 4, !tbaa !8
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %94, i32 noundef %95)
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %96, ptr noundef @.str.1)
  %98 = load i32, ptr %12, align 4, !tbaa !8
  %99 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %97, i32 noundef %98)
  %100 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %99, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  %101 = load ptr, ptr %6, align 8
  call void @llvm.stackrestore.p0(ptr %101)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  br label %102

102:                                              ; preds = %93
  %103 = load i32, ptr %3, align 4, !tbaa !8
  %104 = add nsw i32 %103, 1
  store i32 %104, ptr %3, align 4, !tbaa !8
  br label %21, !llvm.loop !15

105:                                              ; preds = %25
  store i32 0, ptr %1, align 4
  store i32 1, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  %106 = load i32, ptr %1, align 4
  ret i32 %106
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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
declare ptr @llvm.stacksave.p0() #4

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #7 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)) #6

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 = { 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 #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nocallback nofree nosync nounwind willreturn }
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 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


; 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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 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 i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %6 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %7 = getelementptr i8, ptr %6, i64 -24
  %8 = load i64, ptr %7, align 8
  %9 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %8
  %10 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %9, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #9
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %12 = load i32, ptr %1, align 4, !tbaa !8
  %.not27 = icmp slt i32 %12, 1
  br i1 %.not27, label %._crit_edge31, label %.lr.ph30

._crit_edge31:                                    ; preds = %._crit_edge26, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #9
  ret i32 0

.lr.ph30:                                         ; preds = %0, %._crit_edge26
  %.02028 = phi i32 [ %56, %._crit_edge26 ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #9
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %14 = load i32, ptr %2, align 4, !tbaa !8
  %15 = zext i32 %14 to i64
  %16 = call ptr @llvm.stacksave.p0()
  %17 = alloca i32, i64 %15, align 16
  %18 = load i32, ptr %2, align 4, !tbaa !8
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph, label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %.lr.ph30
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #9
  store i32 0, ptr %3, align 4, !tbaa !8
  br label %._crit_edge26

._crit_edge:                                      ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #9
  store i32 0, ptr %3, align 4, !tbaa !8
  %20 = icmp sgt i32 %24, 1
  br i1 %20, label %.lr.ph25.preheader, label %._crit_edge26

.lr.ph25.preheader:                               ; preds = %._crit_edge
  %21 = add nsw i32 %24, -1
  br label %.lr.ph25

.lr.ph:                                           ; preds = %.lr.ph30, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.lr.ph30 ]
  %22 = getelementptr inbounds i32, ptr %17, i64 %indvars.iv
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %22)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %24 = load i32, ptr %2, align 4, !tbaa !8
  %25 = sext i32 %24 to i64
  %26 = icmp slt i64 %indvars.iv.next, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !11

.lr.ph25:                                         ; preds = %.lr.ph25.preheader, %.critedge
  %27 = phi i32 [ %48, %.critedge ], [ %21, %.lr.ph25.preheader ]
  %.0.neg23 = phi i32 [ %.neg, %.critedge ], [ 1, %.lr.ph25.preheader ]
  %.01822 = phi i32 [ %.1.lcssa, %.critedge ], [ 0, %.lr.ph25.preheader ]
  %28 = sext i32 %.01822 to i64
  %29 = getelementptr inbounds i32, ptr %17, i64 %28
  %30 = load i32, ptr %29, align 4, !tbaa !8
  %31 = getelementptr i8, ptr %29, i64 4
  %32 = load i32, ptr %31, align 4, !tbaa !8
  %33 = sub nsw i32 %30, %32
  %34 = sext i32 %27 to i64
  %smax = call i32 @llvm.smax.i32(i32 %.01822, i32 %27)
  br label %35

35:                                               ; preds = %38, %.lr.ph25
  %36 = phi i32 [ %40, %38 ], [ %30, %.lr.ph25 ]
  %indvars.iv33 = phi i64 [ %indvars.iv.next34, %38 ], [ %28, %.lr.ph25 ]
  %37 = icmp slt i64 %indvars.iv33, %34
  br i1 %37, label %38, label %.critedge

38:                                               ; preds = %35
  %indvars.iv.next34 = add nsw i64 %indvars.iv33, 1
  %39 = getelementptr inbounds i32, ptr %17, i64 %indvars.iv.next34
  %40 = load i32, ptr %39, align 4, !tbaa !8
  %41 = sub nsw i32 %36, %40
  %42 = icmp eq i32 %41, %33
  br i1 %42, label %35, label %.critedge.split.loop.exit36, !llvm.loop !13

.critedge.split.loop.exit36:                      ; preds = %38
  %43 = trunc nsw i64 %indvars.iv33 to i32
  br label %.critedge

.critedge:                                        ; preds = %35, %.critedge.split.loop.exit36
  %.1.lcssa = phi i32 [ %43, %.critedge.split.loop.exit36 ], [ %smax, %35 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #9
  %44 = add i32 %.1.lcssa, %.0.neg23
  store i32 %44, ptr %4, align 4, !tbaa !8
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %46 = load i32, ptr %45, align 4, !tbaa !8
  store i32 %46, ptr %3, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #9
  %.neg = sub i32 1, %.1.lcssa
  %47 = load i32, ptr %2, align 4, !tbaa !8
  %48 = add nsw i32 %47, -1
  %49 = icmp slt i32 %.1.lcssa, %48
  br i1 %49, label %.lr.ph25, label %._crit_edge26, !llvm.loop !14

._crit_edge26:                                    ; preds = %.critedge, %._crit_edge.thread, %._crit_edge
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %50, i32 noundef %.02028)
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef nonnull @.str.1)
  %53 = load i32, ptr %3, align 4, !tbaa !8
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %52, i32 noundef %53)
  %55 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %54, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #9
  call void @llvm.stackrestore.p0(ptr %16)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #9
  %56 = add nuw nsw i32 %.02028, 1
  %57 = load i32, ptr %1, align 4, !tbaa !8
  %.not.not = icmp slt i32 %.02028, %57
  br i1 %.not.not, label %.lr.ph30, label %._crit_edge31, !llvm.loop !15
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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
declare ptr @llvm.stacksave.p0() #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 #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 #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 #7 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)) #6

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #4

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #8

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 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 #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress nocallback nofree nosync nounwind willreturn }
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 = { 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 #8 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #9 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


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