; LLVM IR from UtkarshPathrabe/Competitive-Coding :: HackerRank Solutions/Algorithms/Greedy (Grid Challenge)

; 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" }

@grid = external dso_local global [101 x [101 x i8]], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [4 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 i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  %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) %2)
  br label %12

12:                                               ; preds = %124, %0
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = add nsw i32 %13, -1
  store i32 %14, ptr %2, align 4, !tbaa !5
  %15 = icmp ne i32 %13, 0
  br i1 %15, label %16, label %125

16:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %18 = call i32 @getchar()
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %44, %16
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  store i32 4, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %47

24:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %39, %24
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %25
  store i32 7, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %42

30:                                               ; preds = %25
  %31 = call i32 @getchar()
  %32 = trunc i32 %31 to i8
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [101 x [101 x i8]], ptr @grid, i64 0, i64 %34
  %36 = load i32, ptr %6, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [101 x i8], ptr %35, i64 0, i64 %37
  store i8 %32, ptr %38, align 1, !tbaa !9
  br label %39

39:                                               ; preds = %30
  %40 = load i32, ptr %6, align 4, !tbaa !5
  %41 = add nsw i32 %40, 1
  store i32 %41, ptr %6, align 4, !tbaa !5
  br label %25, !llvm.loop !10

42:                                               ; preds = %29
  %43 = call i32 @getchar()
  br label %44

44:                                               ; preds = %42
  %45 = load i32, ptr %4, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %4, align 4, !tbaa !5
  br label %19, !llvm.loop !12

47:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %65, %47
  %49 = load i32, ptr %7, align 4, !tbaa !5
  %50 = load i32, ptr %3, align 4, !tbaa !5
  %51 = icmp slt i32 %49, %50
  br i1 %51, label %53, label %52

52:                                               ; preds = %48
  store i32 10, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %68

53:                                               ; preds = %48
  %54 = load i32, ptr %7, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [101 x [101 x i8]], ptr @grid, i64 0, i64 %55
  %57 = getelementptr inbounds [101 x i8], ptr %56, i64 0, i64 0
  %58 = load i32, ptr %7, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = getelementptr inbounds [101 x [101 x i8]], ptr @grid, i64 0, i64 %59
  %61 = getelementptr inbounds [101 x i8], ptr %60, i64 0, i64 0
  %62 = load i32, ptr %3, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds i8, ptr %61, i64 %63
  call void @_ZSt4sortIPcEvT_S1_(ptr noundef %57, ptr noundef %64)
  br label %65

65:                                               ; preds = %53
  %66 = load i32, ptr %7, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %7, align 4, !tbaa !5
  br label %48, !llvm.loop !13

68:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #5
  store i8 1, ptr %8, align 1, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %69

69:                                               ; preds = %111, %68
  %70 = load i32, ptr %9, align 4, !tbaa !5
  %71 = load i32, ptr %3, align 4, !tbaa !5
  %72 = icmp slt i32 %70, %71
  br i1 %72, label %74, label %73

73:                                               ; preds = %69
  store i32 13, ptr %5, align 4
  br label %114

74:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %75

75:                                               ; preds = %102, %74
  %76 = load i32, ptr %10, align 4, !tbaa !5
  %77 = load i32, ptr %3, align 4, !tbaa !5
  %78 = sub nsw i32 %77, 1
  %79 = icmp slt i32 %76, %78
  br i1 %79, label %81, label %80

80:                                               ; preds = %75
  store i32 16, ptr %5, align 4
  br label %105

81:                                               ; preds = %75
  %82 = load i32, ptr %10, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [101 x [101 x i8]], ptr @grid, i64 0, i64 %83
  %85 = load i32, ptr %9, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = getelementptr inbounds [101 x i8], ptr %84, i64 0, i64 %86
  %88 = load i8, ptr %87, align 1, !tbaa !9
  %89 = sext i8 %88 to i32
  %90 = load i32, ptr %10, align 4, !tbaa !5
  %91 = add nsw i32 %90, 1
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [101 x [101 x i8]], ptr @grid, i64 0, i64 %92
  %94 = load i32, ptr %9, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = getelementptr inbounds [101 x i8], ptr %93, i64 0, i64 %95
  %97 = load i8, ptr %96, align 1, !tbaa !9
  %98 = sext i8 %97 to i32
  %99 = icmp sgt i32 %89, %98
  br i1 %99, label %100, label %101

100:                                              ; preds = %81
  store i8 0, ptr %8, align 1, !tbaa !14
  store i32 16, ptr %5, align 4
  br label %105

101:                                              ; preds = %81
  br label %102

102:                                              ; preds = %101
  %103 = load i32, ptr %10, align 4, !tbaa !5
  %104 = add nsw i32 %103, 1
  store i32 %104, ptr %10, align 4, !tbaa !5
  br label %75, !llvm.loop !16

105:                                              ; preds = %100, %80
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %106

106:                                              ; preds = %105
  %107 = load i8, ptr %8, align 1, !tbaa !14, !range !17, !noundef !18
  %108 = trunc i8 %107 to i1
  br i1 %108, label %110, label %109

109:                                              ; preds = %106
  store i32 13, ptr %5, align 4
  br label %114

110:                                              ; preds = %106
  br label %111

111:                                              ; preds = %110
  %112 = load i32, ptr %9, align 4, !tbaa !5
  %113 = add nsw i32 %112, 1
  store i32 %113, ptr %9, align 4, !tbaa !5
  br label %69, !llvm.loop !19

114:                                              ; preds = %109, %73
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %115

115:                                              ; preds = %114
  %116 = load i8, ptr %8, align 1, !tbaa !14, !range !17, !noundef !18
  %117 = trunc i8 %116 to i1
  br i1 %117, label %118, label %121

118:                                              ; preds = %115
  %119 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %120 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %119, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %124

121:                                              ; preds = %115
  %122 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  %123 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %122, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %124

124:                                              ; preds = %121, %118
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %12, !llvm.loop !20

125:                                              ; preds = %12
  store i32 0, ptr %1, align 4
  store i32 1, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %126 = load i32, ptr %1, align 4
  ret i32 %126
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: inlinehint mustprogress uwtable
declare i32 @getchar() #3

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPcEvT_S1_(ptr noundef, ptr noundef) #3

; 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) #3

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}
!14 = !{!15, !15, i64 0}
!15 = !{!"bool", !7, i64 0}
!16 = distinct !{!16, !11}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = distinct !{!19, !11}
!20 = distinct !{!20, !11}


; 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" }

@grid = external dso_local global [101 x [101 x i8]], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [4 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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %3 = 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)
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = add nsw i32 %4, -1
  store i32 %5, ptr %1, align 4, !tbaa !5
  %.not39 = icmp eq i32 %4, 0
  br i1 %.not39, label %._crit_edge42, label %.lr.ph41

.lr.ph41:                                         ; preds = %0, %._crit_edge38
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %6 = 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)
  %7 = call i32 @getchar()
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.preheader30, label %._crit_edge38

.preheader32:                                     ; preds = %._crit_edge
  %10 = icmp sgt i32 %14, 0
  br i1 %10, label %.lr.ph36, label %._crit_edge38

.preheader30:                                     ; preds = %.lr.ph41, %._crit_edge
  %11 = phi i32 [ %14, %._crit_edge ], [ %8, %.lr.ph41 ]
  %indvars.iv45 = phi i64 [ %indvars.iv.next46, %._crit_edge ], [ 0, %.lr.ph41 ]
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.preheader30
  %13 = call i32 @getchar()
  %indvars.iv.next46 = add nuw nsw i64 %indvars.iv45, 1
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = icmp slt i64 %indvars.iv.next46, %15
  br i1 %16, label %.preheader30, label %.preheader32, !llvm.loop !9

.lr.ph:                                           ; preds = %.preheader30, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.preheader30 ]
  %17 = call i32 @getchar()
  %18 = trunc i32 %17 to i8
  %19 = getelementptr inbounds [101 x [101 x i8]], ptr @grid, i64 0, i64 %indvars.iv45, i64 %indvars.iv
  store i8 %18, ptr %19, align 1, !tbaa !11
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = icmp slt i64 %indvars.iv.next, %21
  br i1 %22, label %.lr.ph, label %._crit_edge, !llvm.loop !12

.preheader31:                                     ; preds = %.lr.ph36
  %23 = icmp sgt i32 %29, 0
  br i1 %23, label %.preheader.lr.ph, label %._crit_edge38

.preheader.lr.ph:                                 ; preds = %.preheader31
  %24 = add nsw i32 %29, -1
  %wide.trip.count57 = zext nneg i32 %29 to i64
  %wide.trip.count = zext i32 %24 to i64
  br label %.preheader

.lr.ph36:                                         ; preds = %.preheader32, %.lr.ph36
  %indvars.iv48 = phi i64 [ %indvars.iv.next49, %.lr.ph36 ], [ 0, %.preheader32 ]
  %25 = phi i32 [ %29, %.lr.ph36 ], [ %14, %.preheader32 ]
  %26 = getelementptr inbounds [101 x [101 x i8]], ptr @grid, i64 0, i64 %indvars.iv48
  %27 = sext i32 %25 to i64
  %28 = getelementptr inbounds i8, ptr %26, i64 %27
  call void @_ZSt4sortIPcEvT_S1_(ptr noundef nonnull %26, ptr noundef nonnull %28)
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = icmp slt i64 %indvars.iv.next49, %30
  br i1 %31, label %.lr.ph36, label %.preheader31, !llvm.loop !13

.preheader:                                       ; preds = %.preheader.lr.ph, %39
  %indvars.iv54 = phi i64 [ 0, %.preheader.lr.ph ], [ %indvars.iv.next55, %39 ]
  br label %32

32:                                               ; preds = %.preheader, %33
  %indvars.iv51 = phi i64 [ 0, %.preheader ], [ %indvars.iv.next52, %33 ]
  %exitcond.not = icmp eq i64 %indvars.iv51, %wide.trip.count
  br i1 %exitcond.not, label %39, label %33

33:                                               ; preds = %32
  %34 = getelementptr inbounds [101 x [101 x i8]], ptr @grid, i64 0, i64 %indvars.iv51, i64 %indvars.iv54
  %35 = load i8, ptr %34, align 1, !tbaa !11
  %indvars.iv.next52 = add nuw nsw i64 %indvars.iv51, 1
  %36 = getelementptr inbounds [101 x [101 x i8]], ptr @grid, i64 0, i64 %indvars.iv.next52, i64 %indvars.iv54
  %37 = load i8, ptr %36, align 1, !tbaa !11
  %38 = icmp sgt i8 %35, %37
  br i1 %38, label %._crit_edge38, label %32, !llvm.loop !14

39:                                               ; preds = %32
  %indvars.iv.next55 = add nuw nsw i64 %indvars.iv54, 1
  %exitcond58.not = icmp eq i64 %indvars.iv.next55, %wide.trip.count57
  br i1 %exitcond58.not, label %._crit_edge38, label %.preheader, !llvm.loop !15

._crit_edge38:                                    ; preds = %39, %33, %.preheader31, %.preheader32, %.lr.ph41
  %.str.1.sink = phi ptr [ @.str, %.lr.ph41 ], [ @.str, %.preheader32 ], [ @.str, %.preheader31 ], [ @.str.1, %33 ], [ @.str, %39 ]
  %40 = 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.1.sink)
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  %42 = load i32, ptr %1, align 4, !tbaa !5
  %43 = add nsw i32 %42, -1
  store i32 %43, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %42, 0
  br i1 %.not, label %._crit_edge42, label %.lr.ph41, !llvm.loop !16

._crit_edge42:                                    ; preds = %._crit_edge38, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0
}

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

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 #2

; Function Attrs: inlinehint mustprogress nofree nounwind uwtable
declare noundef i32 @getchar() 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) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPcEvT_S1_(ptr noundef, ptr noundef) local_unnamed_addr #4

; 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 #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { inlinehint mustprogress nofree 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 #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 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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}


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