; LLVM IR from Tudor67/Competitive-Programming :: FacebookHackerCup/2020/QualificationRound/A (travel_restrictions)

; 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.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solveRKiRSt14basic_ifstreamIcSt11char_traitsIcEERSt14basic_ofstreamIcS3_E(ptr noundef nonnull align 4 dereferenceable(4) %0, ptr noundef nonnull align 8 dereferenceable(256) %1, ptr noundef nonnull align 8 dereferenceable(248) %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"class.std::allocator", align 1
  %16 = alloca i8, align 1
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %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) %21, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %23 unwind label %41

23:                                               ; preds = %3
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = 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) %24, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %26 unwind label %41

26:                                               ; preds = %23
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef @.str)
          to label %29 unwind label %41

29:                                               ; preds = %26
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = load i32, ptr %30, align 4, !tbaa !9
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %28, i32 noundef %31)
          to label %33 unwind label %41

33:                                               ; preds = %29
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %32, ptr noundef @.str.1)
          to label %35 unwind label %41

35:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %36

36:                                               ; preds = %135, %35
  %37 = load i32, ptr %12, align 4, !tbaa !9
  %38 = load i32, ptr %7, align 4, !tbaa !9
  %39 = icmp slt i32 %37, %38
  br i1 %39, label %45, label %40

40:                                               ; preds = %36
  store i32 2, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %144

41:                                               ; preds = %33, %29, %26, %23, %3
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %10, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %11, align 4
  br label %145

45:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #5
  %46 = load i32, ptr %7, align 4, !tbaa !9
  %47 = sext i32 %46 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %14, i64 noundef %47, i8 noundef signext 89, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %48 unwind label %55

48:                                               ; preds = %45
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #5
  store i8 89, ptr %16, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #5
  %49 = load i32, ptr %12, align 4, !tbaa !9
  %50 = sub nsw i32 %49, 1
  store i32 %50, ptr %17, align 4, !tbaa !9
  br label %51

51:                                               ; preds = %87, %48
  %52 = load i32, ptr %17, align 4, !tbaa !9
  %53 = icmp sge i32 %52, 0
  br i1 %53, label %59, label %54

54:                                               ; preds = %51
  store i32 5, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  br label %90

55:                                               ; preds = %45
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %10, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  br label %143

59:                                               ; preds = %51
  %60 = load i32, ptr %17, align 4, !tbaa !9
  %61 = add nsw i32 %60, 1
  %62 = sext i32 %61 to i64
  %63 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef %62)
          to label %64 unwind label %77

64:                                               ; preds = %59
  %65 = load i8, ptr %63, align 1, !tbaa !11
  %66 = sext i8 %65 to i32
  %67 = icmp eq i32 %66, 78
  br i1 %67, label %76, label %68

68:                                               ; preds = %64
  %69 = load i32, ptr %17, align 4, !tbaa !9
  %70 = sext i32 %69 to i64
  %71 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %70)
          to label %72 unwind label %77

72:                                               ; preds = %68
  %73 = load i8, ptr %71, align 1, !tbaa !11
  %74 = sext i8 %73 to i32
  %75 = icmp eq i32 %74, 78
  br i1 %75, label %76, label %81

76:                                               ; preds = %72, %64
  store i8 78, ptr %16, align 1, !tbaa !11
  br label %81

77:                                               ; preds = %81, %68, %59
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %10, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  br label %142

81:                                               ; preds = %76, %72
  %82 = load i8, ptr %16, align 1, !tbaa !11
  %83 = load i32, ptr %17, align 4, !tbaa !9
  %84 = sext i32 %83 to i64
  %85 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %14, i64 noundef %84)
          to label %86 unwind label %77

86:                                               ; preds = %81
  store i8 %82, ptr %85, align 1, !tbaa !11
  br label %87

87:                                               ; preds = %86
  %88 = load i32, ptr %17, align 4, !tbaa !9
  %89 = add nsw i32 %88, -1
  store i32 %89, ptr %17, align 4, !tbaa !9
  br label %51, !llvm.loop !12

90:                                               ; preds = %54
  store i8 89, ptr %16, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  %91 = load i32, ptr %12, align 4, !tbaa !9
  %92 = add nsw i32 %91, 1
  store i32 %92, ptr %18, align 4, !tbaa !9
  br label %93

93:                                               ; preds = %126, %90
  %94 = load i32, ptr %18, align 4, !tbaa !9
  %95 = load i32, ptr %7, align 4, !tbaa !9
  %96 = icmp slt i32 %94, %95
  br i1 %96, label %98, label %97

97:                                               ; preds = %93
  store i32 8, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %129

98:                                               ; preds = %93
  %99 = load i32, ptr %18, align 4, !tbaa !9
  %100 = sub nsw i32 %99, 1
  %101 = sext i32 %100 to i64
  %102 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef %101)
          to label %103 unwind label %116

103:                                              ; preds = %98
  %104 = load i8, ptr %102, align 1, !tbaa !11
  %105 = sext i8 %104 to i32
  %106 = icmp eq i32 %105, 78
  br i1 %106, label %115, label %107

107:                                              ; preds = %103
  %108 = load i32, ptr %18, align 4, !tbaa !9
  %109 = sext i32 %108 to i64
  %110 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %109)
          to label %111 unwind label %116

111:                                              ; preds = %107
  %112 = load i8, ptr %110, align 1, !tbaa !11
  %113 = sext i8 %112 to i32
  %114 = icmp eq i32 %113, 78
  br i1 %114, label %115, label %120

115:                                              ; preds = %111, %103
  store i8 78, ptr %16, align 1, !tbaa !11
  br label %120

116:                                              ; preds = %120, %107, %98
  %117 = landingpad { ptr, i32 }
          cleanup
  %118 = extractvalue { ptr, i32 } %117, 0
  store ptr %118, ptr %10, align 8
  %119 = extractvalue { ptr, i32 } %117, 1
  store i32 %119, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %142

120:                                              ; preds = %115, %111
  %121 = load i8, ptr %16, align 1, !tbaa !11
  %122 = load i32, ptr %18, align 4, !tbaa !9
  %123 = sext i32 %122 to i64
  %124 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %14, i64 noundef %123)
          to label %125 unwind label %116

125:                                              ; preds = %120
  store i8 %121, ptr %124, align 1, !tbaa !11
  br label %126

126:                                              ; preds = %125
  %127 = load i32, ptr %18, align 4, !tbaa !9
  %128 = add nsw i32 %127, 1
  store i32 %128, ptr %18, align 4, !tbaa !9
  br label %93, !llvm.loop !14

129:                                              ; preds = %97
  %130 = load ptr, ptr %6, align 8, !tbaa !5
  %131 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %130, ptr noundef nonnull align 8 dereferenceable(32) %14)
          to label %132 unwind label %138

132:                                              ; preds = %129
  %133 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %131, ptr noundef @.str.2)
          to label %134 unwind label %138

134:                                              ; preds = %132
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #5
  br label %135

135:                                              ; preds = %134
  %136 = load i32, ptr %12, align 4, !tbaa !9
  %137 = add nsw i32 %136, 1
  store i32 %137, ptr %12, align 4, !tbaa !9
  br label %36, !llvm.loop !15

138:                                              ; preds = %132, %129
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %10, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %11, align 4
  br label %142

142:                                              ; preds = %138, %116, %77
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #5
  br label %143

143:                                              ; preds = %142, %55
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %145

144:                                              ; preds = %40
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret void

145:                                              ; preds = %143, %41
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %146

146:                                              ; preds = %145
  %147 = load ptr, ptr %10, align 8
  %148 = load i32, ptr %11, align 4
  %149 = insertvalue { ptr, i32 } poison, ptr %147, 0
  %150 = insertvalue { ptr, i32 } %149, i32 %148, 1
  resume { ptr, i32 } %150
}

; 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: 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)) #2

declare i32 @__gxx_personality_v0(...)

; 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) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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: 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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #4

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

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 = { "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 = { 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 = { 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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = distinct !{!15, !13}


; 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.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solveRKiRSt14basic_ifstreamIcSt11char_traitsIcEERSt14basic_ofstreamIcS3_E(ptr nocapture noundef nonnull readonly align 4 dereferenceable(4) %0, ptr noundef nonnull align 8 dereferenceable(256) %1, ptr noundef nonnull align 8 dereferenceable(248) %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  %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) %1, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %11 unwind label %22

11:                                               ; preds = %3
  %12 = 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) %1, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %13 unwind label %22

13:                                               ; preds = %11
  %14 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull @.str)
          to label %15 unwind label %22

15:                                               ; preds = %13
  %16 = load i32, ptr %0, align 4, !tbaa !5
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %14, i32 noundef %16)
          to label %18 unwind label %22

18:                                               ; preds = %15
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull @.str.1)
          to label %.preheader unwind label %22

.preheader:                                       ; preds = %18
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = icmp sgt i32 %20, 0
  br i1 %21, label %.lr.ph42, label %._crit_edge43

._crit_edge43:                                    ; preds = %58, %.preheader
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  ret void

22:                                               ; preds = %18, %15, %13, %11, %3
  %23 = landingpad { ptr, i32 }
          cleanup
  br label %64

.lr.ph42:                                         ; preds = %.preheader, %58
  %indvars.iv46 = phi i64 [ %indvars.iv.next47, %58 ], [ 1, %.preheader ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %58 ], [ 0, %.preheader ]
  %24 = phi i32 [ %59, %58 ], [ %20, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #5
  %25 = sext i32 %24 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %25, i8 noundef signext 89, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %26 unwind label %30

26:                                               ; preds = %.lr.ph42
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #5
  %27 = and i64 %indvars.iv, 4294967295
  %.not = icmp eq i64 %27, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph._crit_edge, %26
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %indvars = trunc i64 %indvars.iv.next to i32
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = icmp sgt i32 %28, %indvars
  br i1 %29, label %.lr.ph39, label %._crit_edge40

30:                                               ; preds = %.lr.ph42
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #5
  br label %63

.lr.ph:                                           ; preds = %26, %.lr.ph._crit_edge
  %indvars.iv44 = phi i64 [ %indvars.iv.next45, %.lr.ph._crit_edge ], [ %indvars.iv, %26 ]
  %.02433 = phi i8 [ %.1, %.lr.ph._crit_edge ], [ 89, %26 ]
  %.02335 = add i64 %indvars.iv44, 4294967295
  %32 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %indvars.iv44)
  %33 = load i8, ptr %32, align 1, !tbaa !9
  %34 = icmp eq i8 %33, 78
  %.pre51 = and i64 %.02335, 4294967295
  br i1 %34, label %.lr.ph._crit_edge, label %35

35:                                               ; preds = %.lr.ph
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %.pre51)
  %37 = load i8, ptr %36, align 1, !tbaa !9
  %38 = icmp eq i8 %37, 78
  %spec.select = select i1 %38, i8 78, i8 %.02433
  br label %.lr.ph._crit_edge

.lr.ph._crit_edge:                                ; preds = %35, %.lr.ph
  %.1 = phi i8 [ 78, %.lr.ph ], [ %spec.select, %35 ]
  %39 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %.pre51)
  store i8 %.1, ptr %39, align 1, !tbaa !9
  %40 = icmp sgt i64 %indvars.iv44, 1
  %indvars.iv.next45 = add nsw i64 %indvars.iv44, -1
  br i1 %40, label %.lr.ph, label %._crit_edge, !llvm.loop !10

._crit_edge40:                                    ; preds = %51, %._crit_edge
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %56 unwind label %61

.lr.ph39:                                         ; preds = %._crit_edge, %51
  %indvars.iv48 = phi i64 [ %indvars.iv.next49, %51 ], [ %indvars.iv46, %._crit_edge ]
  %.236 = phi i8 [ %.3, %51 ], [ 89, %._crit_edge ]
  %42 = add nsw i64 %indvars.iv48, -1
  %43 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %42)
  %44 = load i8, ptr %43, align 1, !tbaa !9
  %45 = icmp eq i8 %44, 78
  br i1 %45, label %50, label %46

46:                                               ; preds = %.lr.ph39
  %47 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %indvars.iv48)
  %48 = load i8, ptr %47, align 1, !tbaa !9
  %49 = icmp eq i8 %48, 78
  br i1 %49, label %50, label %51

50:                                               ; preds = %46, %.lr.ph39
  br label %51

51:                                               ; preds = %50, %46
  %.3 = phi i8 [ 78, %50 ], [ %.236, %46 ]
  %52 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %indvars.iv48)
  store i8 %.3, ptr %52, align 1, !tbaa !9
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %53 = load i32, ptr %4, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = icmp slt i64 %indvars.iv.next49, %54
  br i1 %55, label %.lr.ph39, label %._crit_edge40, !llvm.loop !12

56:                                               ; preds = %._crit_edge40
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %41, ptr noundef nonnull @.str.2)
          to label %58 unwind label %61

58:                                               ; preds = %56
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  %59 = load i32, ptr %4, align 4, !tbaa !5
  %60 = icmp sgt i32 %59, %indvars
  %indvars.iv.next47 = add nuw nsw i64 %indvars.iv46, 1
  br i1 %60, label %.lr.ph42, label %._crit_edge43, !llvm.loop !13

61:                                               ; preds = %56, %._crit_edge40
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  br label %63

63:                                               ; preds = %61, %30
  %.pn = phi { ptr, i32 } [ %62, %61 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  br label %64

64:                                               ; preds = %63, %22
  %.pn.pn = phi { ptr, i32 } [ %.pn, %63 ], [ %23, %22 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  resume { ptr, i32 } %.pn.pn
}

; 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: 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 #2

declare i32 @__gxx_personality_v0(...)

; 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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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: 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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

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 = { "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 = { 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 = { 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}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass