; LLVM IR from DionysiosB/CodeForces :: 1400-1499 (1481A-SpaceNavigation)

; 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" }
%"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] }

@_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 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i8, align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  br label %15

15:                                               ; preds = %126, %0
  %16 = load i64, ptr %2, align 8, !tbaa !5
  %17 = add nsw i64 %16, -1
  store i64 %17, ptr %2, align 8, !tbaa !5
  %18 = icmp ne i64 %16, 0
  br i1 %18, label %19, label %133

19:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  store i64 0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  store i64 0, ptr %4, align 8, !tbaa !5
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  %22 = invoke 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) %5)
          to label %23 unwind label %29

23:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 0, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  store i64 0, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %24

24:                                               ; preds = %81, %23
  %25 = load i64, ptr %12, align 8, !tbaa !5
  %26 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  %27 = icmp ult i64 %25, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %84

29:                                               ; preds = %19
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %6, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %7, align 4
  br label %132

33:                                               ; preds = %24
  %34 = load i64, ptr %12, align 8, !tbaa !5
  %35 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %34)
          to label %36 unwind label %43

36:                                               ; preds = %33
  %37 = load i8, ptr %35, align 1, !tbaa !9
  %38 = sext i8 %37 to i32
  %39 = icmp eq i32 %38, 82
  br i1 %39, label %40, label %47

40:                                               ; preds = %36
  %41 = load i64, ptr %9, align 8, !tbaa !5
  %42 = add nsw i64 %41, 1
  store i64 %42, ptr %9, align 8, !tbaa !5
  br label %80

43:                                               ; preds = %67, %57, %47, %33
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %6, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %131

47:                                               ; preds = %36
  %48 = load i64, ptr %12, align 8, !tbaa !5
  %49 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %48)
          to label %50 unwind label %43

50:                                               ; preds = %47
  %51 = load i8, ptr %49, align 1, !tbaa !9
  %52 = sext i8 %51 to i32
  %53 = icmp eq i32 %52, 76
  br i1 %53, label %54, label %57

54:                                               ; preds = %50
  %55 = load i64, ptr %8, align 8, !tbaa !5
  %56 = add nsw i64 %55, 1
  store i64 %56, ptr %8, align 8, !tbaa !5
  br label %79

57:                                               ; preds = %50
  %58 = load i64, ptr %12, align 8, !tbaa !5
  %59 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %58)
          to label %60 unwind label %43

60:                                               ; preds = %57
  %61 = load i8, ptr %59, align 1, !tbaa !9
  %62 = sext i8 %61 to i32
  %63 = icmp eq i32 %62, 85
  br i1 %63, label %64, label %67

64:                                               ; preds = %60
  %65 = load i64, ptr %10, align 8, !tbaa !5
  %66 = add nsw i64 %65, 1
  store i64 %66, ptr %10, align 8, !tbaa !5
  br label %78

67:                                               ; preds = %60
  %68 = load i64, ptr %12, align 8, !tbaa !5
  %69 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %68)
          to label %70 unwind label %43

70:                                               ; preds = %67
  %71 = load i8, ptr %69, align 1, !tbaa !9
  %72 = sext i8 %71 to i32
  %73 = icmp eq i32 %72, 68
  br i1 %73, label %74, label %77

74:                                               ; preds = %70
  %75 = load i64, ptr %11, align 8, !tbaa !5
  %76 = add nsw i64 %75, 1
  store i64 %76, ptr %11, align 8, !tbaa !5
  br label %77

77:                                               ; preds = %74, %70
  br label %78

78:                                               ; preds = %77, %64
  br label %79

79:                                               ; preds = %78, %54
  br label %80

80:                                               ; preds = %79, %40
  br label %81

81:                                               ; preds = %80
  %82 = load i64, ptr %12, align 8, !tbaa !5
  %83 = add nsw i64 %82, 1
  store i64 %83, ptr %12, align 8, !tbaa !5
  br label %24, !llvm.loop !10

84:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #6
  store i8 1, ptr %13, align 1, !tbaa !12
  %85 = load i64, ptr %3, align 8, !tbaa !5
  %86 = icmp sgt i64 %85, 0
  br i1 %86, label %87, label %92

87:                                               ; preds = %84
  %88 = load i64, ptr %9, align 8, !tbaa !5
  %89 = load i64, ptr %3, align 8, !tbaa !5
  %90 = icmp slt i64 %88, %89
  br i1 %90, label %91, label %92

91:                                               ; preds = %87
  store i8 0, ptr %13, align 1, !tbaa !12
  br label %92

92:                                               ; preds = %91, %87, %84
  %93 = load i64, ptr %3, align 8, !tbaa !5
  %94 = icmp slt i64 %93, 0
  br i1 %94, label %95, label %101

95:                                               ; preds = %92
  %96 = load i64, ptr %8, align 8, !tbaa !5
  %97 = load i64, ptr %3, align 8, !tbaa !5
  %98 = sub nsw i64 0, %97
  %99 = icmp slt i64 %96, %98
  br i1 %99, label %100, label %101

100:                                              ; preds = %95
  store i8 0, ptr %13, align 1, !tbaa !12
  br label %101

101:                                              ; preds = %100, %95, %92
  %102 = load i64, ptr %4, align 8, !tbaa !5
  %103 = icmp sgt i64 %102, 0
  br i1 %103, label %104, label %109

104:                                              ; preds = %101
  %105 = load i64, ptr %10, align 8, !tbaa !5
  %106 = load i64, ptr %4, align 8, !tbaa !5
  %107 = icmp slt i64 %105, %106
  br i1 %107, label %108, label %109

108:                                              ; preds = %104
  store i8 0, ptr %13, align 1, !tbaa !12
  br label %109

109:                                              ; preds = %108, %104, %101
  %110 = load i64, ptr %4, align 8, !tbaa !5
  %111 = icmp slt i64 %110, 0
  br i1 %111, label %112, label %118

112:                                              ; preds = %109
  %113 = load i64, ptr %11, align 8, !tbaa !5
  %114 = load i64, ptr %4, align 8, !tbaa !5
  %115 = sub nsw i64 0, %114
  %116 = icmp slt i64 %113, %115
  br i1 %116, label %117, label %118

117:                                              ; preds = %112
  store i8 0, ptr %13, align 1, !tbaa !12
  br label %118

118:                                              ; preds = %117, %112, %109
  %119 = load i8, ptr %13, align 1, !tbaa !12, !range !14, !noundef !15
  %120 = trunc i8 %119 to i1
  %121 = zext i1 %120 to i64
  %122 = select i1 %120, ptr @.str, ptr @.str.1
  %123 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef %122)
          to label %124 unwind label %127

124:                                              ; preds = %118
  %125 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %123, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %126 unwind label %127

126:                                              ; preds = %124
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %15, !llvm.loop !16

127:                                              ; preds = %124, %118
  %128 = landingpad { ptr, i32 }
          cleanup
  %129 = extractvalue { ptr, i32 } %128, 0
  store ptr %129, ptr %6, align 8
  %130 = extractvalue { ptr, i32 } %128, 1
  store i32 %130, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #6
  br label %131

131:                                              ; preds = %127, %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %132

132:                                              ; preds = %131, %29
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %135

133:                                              ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %134 = load i32, ptr %1, align 4
  ret i32 %134

135:                                              ; preds = %132
  %136 = load ptr, ptr %6, align 8
  %137 = load i32, ptr %7, align 4
  %138 = insertvalue { ptr, i32 } poison, ptr %136, 0
  %139 = insertvalue { ptr, i32 } %138, i32 %137, 1
  resume { ptr, i32 } %139
}

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

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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)) #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #3 align 2

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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 = { 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 #3 = { 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 #4 = { "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 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 = !{!"long", !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 = !{!13, !13, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = !{i8 0, i8 2}
!15 = !{}
!16 = distinct !{!16, !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" }
%"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] }

@_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 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = add nsw i64 %6, -1
  store i64 %7, ptr %1, align 8, !tbaa !5
  %.not55 = icmp eq i64 %6, 0
  br i1 %.not55, label %._crit_edge58, label %.lr.ph57

.lr.ph57:                                         ; preds = %0, %58
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  store i64 0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  store i64 0, ptr %3, align 8, !tbaa !5
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %10 = invoke 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) %4)
          to label %.preheader unwind label %28

.preheader:                                       ; preds = %.lr.ph57
  %11 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %.not59 = icmp eq i64 %11, 0
  br i1 %.not59, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %52, %.preheader
  %.024.lcssa = phi i64 [ 0, %.preheader ], [ %.125, %52 ]
  %.022.lcssa = phi i64 [ 0, %.preheader ], [ %.123, %52 ]
  %.020.lcssa = phi i64 [ 0, %.preheader ], [ %.121, %52 ]
  %.018.lcssa = phi i64 [ 0, %.preheader ], [ %.119, %52 ]
  %12 = load i64, ptr %2, align 8, !tbaa !5
  %13 = icmp slt i64 %12, 1
  %14 = icmp sge i64 %.022.lcssa, %12
  %or.cond.not = select i1 %13, i1 true, i1 %14
  %15 = icmp sgt i64 %12, -1
  %16 = sub nsw i64 0, %12
  %17 = icmp sge i64 %.024.lcssa, %16
  %or.cond34.not = select i1 %15, i1 true, i1 %17
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = icmp slt i64 %18, 1
  %20 = icmp sge i64 %.020.lcssa, %18
  %or.cond35.not = select i1 %19, i1 true, i1 %20
  %21 = icmp sgt i64 %18, -1
  %22 = sub nsw i64 0, %18
  %23 = icmp sge i64 %.018.lcssa, %22
  %or.cond37.not = select i1 %21, i1 true, i1 %23
  %24 = select i1 %or.cond37.not, i1 %or.cond35.not, i1 false
  %25 = select i1 %24, i1 %or.cond34.not, i1 false
  %narrow = select i1 %25, i1 %or.cond.not, i1 false
  %26 = select i1 %narrow, ptr @.str, ptr @.str.1
  %27 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %26)
          to label %56 unwind label %61

28:                                               ; preds = %.lr.ph57
  %29 = landingpad { ptr, i32 }
          cleanup
  br label %63

.lr.ph:                                           ; preds = %.preheader, %52
  %.01751 = phi i64 [ %53, %52 ], [ 0, %.preheader ]
  %.01850 = phi i64 [ %.119, %52 ], [ 0, %.preheader ]
  %.02049 = phi i64 [ %.121, %52 ], [ 0, %.preheader ]
  %.02248 = phi i64 [ %.123, %52 ], [ 0, %.preheader ]
  %.02447 = phi i64 [ %.125, %52 ], [ 0, %.preheader ]
  %30 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %.01751)
  %31 = load i8, ptr %30, align 1, !tbaa !9
  %32 = icmp eq i8 %31, 82
  br i1 %32, label %33, label %35

33:                                               ; preds = %.lr.ph
  %34 = add nsw i64 %.02248, 1
  br label %52

35:                                               ; preds = %.lr.ph
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %.01751)
  %37 = load i8, ptr %36, align 1, !tbaa !9
  %38 = icmp eq i8 %37, 76
  br i1 %38, label %39, label %41

39:                                               ; preds = %35
  %40 = add nsw i64 %.02447, 1
  br label %52

41:                                               ; preds = %35
  %42 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %.01751)
  %43 = load i8, ptr %42, align 1, !tbaa !9
  %44 = icmp eq i8 %43, 85
  br i1 %44, label %45, label %47

45:                                               ; preds = %41
  %46 = add nsw i64 %.02049, 1
  br label %52

47:                                               ; preds = %41
  %48 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %.01751)
  %49 = load i8, ptr %48, align 1, !tbaa !9
  %50 = icmp eq i8 %49, 68
  %51 = zext i1 %50 to i64
  %spec.select = add nsw i64 %.01850, %51
  br label %52

52:                                               ; preds = %47, %33, %45, %39
  %.125 = phi i64 [ %.02447, %33 ], [ %40, %39 ], [ %.02447, %45 ], [ %.02447, %47 ]
  %.123 = phi i64 [ %34, %33 ], [ %.02248, %39 ], [ %.02248, %45 ], [ %.02248, %47 ]
  %.121 = phi i64 [ %.02049, %33 ], [ %.02049, %39 ], [ %46, %45 ], [ %.02049, %47 ]
  %.119 = phi i64 [ %.01850, %33 ], [ %.01850, %39 ], [ %.01850, %45 ], [ %spec.select, %47 ]
  %53 = add nuw nsw i64 %.01751, 1
  %54 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %55 = icmp ult i64 %53, %54
  br i1 %55, label %.lr.ph, label %._crit_edge, !llvm.loop !10

56:                                               ; preds = %._crit_edge
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %58 unwind label %61

58:                                               ; preds = %56
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  %59 = load i64, ptr %1, align 8, !tbaa !5
  %60 = add nsw i64 %59, -1
  store i64 %60, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %59, 0
  br i1 %.not, label %._crit_edge58, label %.lr.ph57, !llvm.loop !12

61:                                               ; preds = %56, %._crit_edge
  %62 = landingpad { ptr, i32 }
          cleanup
  br label %63

63:                                               ; preds = %61, %28
  %.pn = phi { ptr, i32 } [ %62, %61 ], [ %29, %28 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn

._crit_edge58:                                    ; preds = %58, %0
  call void @llvm.lifetime.end.p0(i64 8, 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

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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 #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #3 align 2

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

; 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 #2 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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 = { 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 #3 = { 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 #4 = { "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 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 = !{!"long", !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}


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