; LLVM IR from DionysiosB/CodeForces :: 0300-0399 (394A-CountingSticks)

; 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
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [11 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 %"class.std::__cxx11::basic_string", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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) %2)
          to label %14 unwind label %40

14:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %15 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef @.str, i64 noundef 0) #6
  %16 = trunc i64 %15 to i32
  store i32 %16, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %17 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef @.str.1, i64 noundef 0) #6
  %18 = trunc i64 %17 to i32
  store i32 %18, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %19 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %19, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %20 = load i32, ptr %6, align 4, !tbaa !5
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = sub nsw i32 %20, %21
  %23 = sub nsw i32 %22, 1
  store i32 %23, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %24 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %25 = load i32, ptr %6, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = sub i64 %24, %26
  %28 = sub i64 %27, 1
  %29 = trunc i64 %28 to i32
  store i32 %29, ptr %9, align 4, !tbaa !5
  %30 = load i32, ptr %9, align 4, !tbaa !5
  %31 = load i32, ptr %7, align 4, !tbaa !5
  %32 = load i32, ptr %8, align 4, !tbaa !5
  %33 = add nsw i32 %31, %32
  %34 = icmp eq i32 %30, %33
  br i1 %34, label %35, label %48

35:                                               ; preds = %14
  %36 = 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) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %37 unwind label %44

37:                                               ; preds = %35
  %38 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %36, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %39 unwind label %44

39:                                               ; preds = %37
  br label %136

40:                                               ; preds = %0
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %3, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %4, align 4
  br label %139

44:                                               ; preds = %131, %55, %37, %35
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %3, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %4, align 4
  br label %138

48:                                               ; preds = %14
  %49 = load i32, ptr %9, align 4, !tbaa !5
  %50 = load i32, ptr %7, align 4, !tbaa !5
  %51 = load i32, ptr %8, align 4, !tbaa !5
  %52 = add nsw i32 %50, %51
  %53 = add nsw i32 %52, 2
  %54 = icmp eq i32 %49, %53
  br i1 %54, label %55, label %82

55:                                               ; preds = %48
  %56 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2)
          to label %57 unwind label %44

57:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %58

58:                                               ; preds = %74, %57
  %59 = load i32, ptr %10, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %62 = sub i64 %61, 1
  %63 = icmp ult i64 %60, %62
  br i1 %63, label %65, label %64

64:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %81

65:                                               ; preds = %58
  %66 = load i32, ptr %10, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %67)
          to label %69 unwind label %77

69:                                               ; preds = %65
  %70 = load i8, ptr %68, align 1, !tbaa !9
  %71 = sext i8 %70 to i32
  %72 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %71)
          to label %73 unwind label %77

73:                                               ; preds = %69
  br label %74

74:                                               ; preds = %73
  %75 = load i32, ptr %10, align 4, !tbaa !5
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr %10, align 4, !tbaa !5
  br label %58, !llvm.loop !10

77:                                               ; preds = %69, %65
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %3, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %138

81:                                               ; preds = %64
  br label %135

82:                                               ; preds = %48
  %83 = load i32, ptr %9, align 4, !tbaa !5
  %84 = add nsw i32 %83, 2
  %85 = load i32, ptr %7, align 4, !tbaa !5
  %86 = load i32, ptr %8, align 4, !tbaa !5
  %87 = add nsw i32 %85, %86
  %88 = icmp eq i32 %84, %87
  br i1 %88, label %89, label %131

89:                                               ; preds = %82
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %90 = load i32, ptr %5, align 4, !tbaa !5
  %91 = sub nsw i32 %90, 1
  store i32 %91, ptr %11, align 4, !tbaa !5
  %92 = load i32, ptr %11, align 4, !tbaa !5
  %93 = icmp eq i32 %92, 0
  br i1 %93, label %94, label %95

94:                                               ; preds = %89
  store i32 2, ptr %11, align 4, !tbaa !5
  br label %95

95:                                               ; preds = %94, %89
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %96

96:                                               ; preds = %120, %95
  %97 = load i32, ptr %12, align 4, !tbaa !5
  %98 = sext i32 %97 to i64
  %99 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %100 = icmp ult i64 %98, %99
  br i1 %100, label %102, label %101

101:                                              ; preds = %96
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %123

102:                                              ; preds = %96
  %103 = load i32, ptr %12, align 4, !tbaa !5
  %104 = load i32, ptr %11, align 4, !tbaa !5
  %105 = icmp ne i32 %103, %104
  br i1 %105, label %106, label %119

106:                                              ; preds = %102
  %107 = load i32, ptr %12, align 4, !tbaa !5
  %108 = sext i32 %107 to i64
  %109 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %108)
          to label %110 unwind label %115

110:                                              ; preds = %106
  %111 = load i8, ptr %109, align 1, !tbaa !9
  %112 = sext i8 %111 to i32
  %113 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %112)
          to label %114 unwind label %115

114:                                              ; preds = %110
  br label %119

115:                                              ; preds = %110, %106
  %116 = landingpad { ptr, i32 }
          cleanup
  %117 = extractvalue { ptr, i32 } %116, 0
  store ptr %117, ptr %3, align 8
  %118 = extractvalue { ptr, i32 } %116, 1
  store i32 %118, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %130

119:                                              ; preds = %114, %102
  br label %120

120:                                              ; preds = %119
  %121 = load i32, ptr %12, align 4, !tbaa !5
  %122 = add nsw i32 %121, 1
  store i32 %122, ptr %12, align 4, !tbaa !5
  br label %96, !llvm.loop !12

123:                                              ; preds = %101
  %124 = invoke i32 @puts(ptr noundef @.str.2)
          to label %125 unwind label %126

125:                                              ; preds = %123
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %134

126:                                              ; preds = %123
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %3, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %4, align 4
  br label %130

130:                                              ; preds = %126, %115
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %138

131:                                              ; preds = %82
  %132 = invoke i32 @puts(ptr noundef @.str.4)
          to label %133 unwind label %44

133:                                              ; preds = %131
  br label %134

134:                                              ; preds = %133, %125
  br label %135

135:                                              ; preds = %134, %81
  br label %136

136:                                              ; preds = %135, %39
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  %137 = load i32, ptr %1, align 4
  ret i32 %137

138:                                              ; preds = %130, %77, %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %139

139:                                              ; preds = %138, %40
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  br label %140

140:                                              ; preds = %139
  %141 = load ptr, ptr %3, align 8
  %142 = load i32, ptr %4, align 4
  %143 = insertvalue { ptr, i32 } poison, ptr %141, 0
  %144 = insertvalue { ptr, i32 } %143, i32 %142, 1
  resume { ptr, i32 } %144
}

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) #2 align 2

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

declare i32 @printf(ptr noundef, ...) #5

; 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) #2 align 2

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

declare i32 @puts(ptr noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = { "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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !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
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [11 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 %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %2 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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) %1)
          to label %3 unwind label %18

3:                                                ; preds = %0
  %4 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @.str, i64 noundef 0) #6
  %5 = trunc i64 %4 to i32
  %6 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @.str.1, i64 noundef 0) #6
  %7 = trunc i64 %6 to i32
  %8 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %9 = xor i64 %6, -1
  %10 = add i64 %8, %9
  %11 = trunc i64 %10 to i32
  %12 = add i32 %7, -1
  %13 = icmp eq i32 %12, %11
  br i1 %13, label %14, label %22

14:                                               ; preds = %3
  %15 = 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) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %16 unwind label %20

16:                                               ; preds = %14
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.loopexit unwind label %20

18:                                               ; preds = %0
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %52

20:                                               ; preds = %16, %14
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %52

22:                                               ; preds = %3
  %23 = add i32 %7, 1
  %24 = icmp eq i32 %23, %11
  br i1 %24, label %25, label %35

25:                                               ; preds = %22
  %26 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  %27 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %.not38 = icmp eq i64 %27, 1
  br i1 %.not38, label %.loopexit, label %.lr.ph36

.lr.ph36:                                         ; preds = %25, %.lr.ph36
  %indvars.iv40 = phi i64 [ %indvars.iv.next41, %.lr.ph36 ], [ 0, %25 ]
  %28 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv40)
  %29 = load i8, ptr %28, align 1, !tbaa !5
  %30 = sext i8 %29 to i32
  %31 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %30)
  %indvars.iv.next41 = add nuw nsw i64 %indvars.iv40, 1
  %32 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %33 = add i64 %32, -1
  %34 = icmp ugt i64 %33, %indvars.iv.next41
  br i1 %34, label %.lr.ph36, label %.loopexit, !llvm.loop !8

35:                                               ; preds = %22
  %36 = add i32 %7, -3
  %37 = icmp eq i32 %36, %11
  br i1 %37, label %38, label %.loopexit.sink.split

38:                                               ; preds = %35
  %39 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %.not37 = icmp eq i64 %39, 0
  br i1 %.not37, label %.loopexit.sink.split, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %38
  %40 = add nsw i32 %5, -1
  %41 = icmp eq i32 %40, 0
  %spec.store.select = select i1 %41, i32 2, i32 %40
  %42 = zext i32 %spec.store.select to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %48
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %48 ]
  %.not = icmp eq i64 %indvars.iv, %42
  br i1 %.not, label %48, label %43

43:                                               ; preds = %.lr.ph
  %44 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv)
  %45 = load i8, ptr %44, align 1, !tbaa !5
  %46 = sext i8 %45 to i32
  %47 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %46)
  br label %48

48:                                               ; preds = %.lr.ph, %43
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %49 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %50 = icmp ugt i64 %49, %indvars.iv.next
  br i1 %50, label %.lr.ph, label %.loopexit.sink.split, !llvm.loop !10

.loopexit.sink.split:                             ; preds = %48, %35, %38
  %.str.4.sink = phi ptr [ @.str.2, %38 ], [ @.str.4, %35 ], [ @.str.2, %48 ]
  %51 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.str.4.sink)
  br label %.loopexit

.loopexit:                                        ; preds = %.lr.ph36, %.loopexit.sink.split, %25, %16
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  ret i32 0

52:                                               ; preds = %20, %18
  %.pn = phi { ptr, i32 } [ %21, %20 ], [ %19, %18 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn
}

; 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) local_unnamed_addr #2 align 2

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

; 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 #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

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; 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 #2 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: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = { nofree nounwind "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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !9}


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