; LLVM IR from VastoLorde95/Competitive-Programming :: Codejam/APAC 2017/Round A/Problem A/A.ll (Z5solvev)

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, std::__cxx11::basic_string<char>>, std::pair<int, std::__cxx11::basic_string<char>>, std::_Identity<std::pair<int, std::__cxx11::basic_string<char>>>, std::less<std::pair<int, std::__cxx11::basic_string<char>>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, std::__cxx11::basic_string<char>>, std::pair<int, std::__cxx11::basic_string<char>>, std::_Identity<std::pair<int, std::__cxx11::basic_string<char>>>, std::less<std::pair<int, std::__cxx11::basic_string<char>>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"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::__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] }
%"class.std::set.3" = type { %"class.std::_Rb_tree.4" }
%"class.std::_Rb_tree.4" = type { %"struct.std::_Rb_tree<char, char, std::_Identity<char>, std::less<char>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<char, char, std::_Identity<char>, std::less<char>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"struct.std::pair.13" = type { i32, %"class.std::__cxx11::basic_string" }
%"struct.std::pair.9" = type <{ %"struct.std::_Rb_tree_const_iterator.11", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator.11" = type { ptr }

@_Z1sB5cxx11 = external dso_local global %"class.std::set", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #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 %"class.std::set.3", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::pair", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair.13", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::pair.9", align 8
  %15 = alloca %"struct.std::_Rb_tree_const_iterator.11", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #6
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %1)
  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
  call void @_ZNSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z1sB5cxx11) #6
  %17 = 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 %18 unwind label %24

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

19:                                               ; preds = %81, %18
  %20 = load i32, ptr %5, align 4, !tbaa !5
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %28, label %23

23:                                               ; preds = %19
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %95

24:                                               ; preds = %0
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %3, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %4, align 4
  br label %107

28:                                               ; preds = %19
  %29 = 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 %30 unwind label %38

30:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %31 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %32 = trunc i64 %31 to i32
  store i32 %32, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr %8) #6
  call void @_ZNSt3setIcSt4lessIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %66, %30
  %34 = load i32, ptr %9, align 4, !tbaa !5
  %35 = load i32, ptr %7, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %42, label %37

37:                                               ; preds = %33
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %69

38:                                               ; preds = %28
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %3, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %4, align 4
  br label %94

42:                                               ; preds = %33
  %43 = load i32, ptr %9, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %44)
          to label %46 unwind label %61

46:                                               ; preds = %42
  %47 = load i8, ptr %45, align 1, !tbaa !9
  %48 = sext i8 %47 to i32
  %49 = icmp ne i32 %48, 32
  br i1 %49, label %50, label %65

50:                                               ; preds = %46
  %51 = load i32, ptr %9, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %52)
          to label %54 unwind label %61

54:                                               ; preds = %50
  %55 = invoke { ptr, i8 } @_ZNSt3setIcSt4lessIcESaIcEE6insertERKc(ptr noundef nonnull align 8 dereferenceable(48) %8, ptr noundef nonnull align 1 dereferenceable(1) %53)
          to label %56 unwind label %61

56:                                               ; preds = %54
  %57 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 0
  %58 = extractvalue { ptr, i8 } %55, 0
  store ptr %58, ptr %57, align 8
  %59 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 1
  %60 = extractvalue { ptr, i8 } %55, 1
  store i8 %60, ptr %59, align 8
  br label %65

61:                                               ; preds = %54, %50, %42
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %3, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %93

65:                                               ; preds = %56, %46
  br label %66

66:                                               ; preds = %65
  %67 = load i32, ptr %9, align 4, !tbaa !5
  %68 = add nsw i32 %67, 1
  store i32 %68, ptr %9, align 4, !tbaa !5
  br label %33, !llvm.loop !10

69:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %70 = call noundef i64 @_ZNKSt3setIcSt4lessIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  %71 = trunc i64 %70 to i32
  store i32 %71, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  %72 = load i32, ptr %11, align 4, !tbaa !5
  %73 = sub nsw i32 0, %72
  store i32 %73, ptr %13, align 4, !tbaa !5
  invoke void @_ZSt9make_pairIiRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS8_INS9_IT0_E4typeEE6__typeEEOSA_OSF_(ptr dead_on_unwind writable sret(%"struct.std::pair.13") align 8 %12, ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %74 unwind label %84

74:                                               ; preds = %69
  %75 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE6insertEOS7_(ptr noundef nonnull align 8 dereferenceable(48) @_Z1sB5cxx11, ptr noundef nonnull align 8 dereferenceable(40) %12)
          to label %76 unwind label %88

76:                                               ; preds = %74
  %77 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 0
  %78 = extractvalue { ptr, i8 } %75, 0
  store ptr %78, ptr %77, align 8
  %79 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 1
  %80 = extractvalue { ptr, i8 } %75, 1
  store i8 %80, ptr %79, align 8
  call void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @_ZNSt3setIcSt4lessIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %81

81:                                               ; preds = %76
  %82 = load i32, ptr %5, align 4, !tbaa !5
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %5, align 4, !tbaa !5
  br label %19, !llvm.loop !12

84:                                               ; preds = %69
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %3, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %4, align 4
  br label %92

88:                                               ; preds = %74
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %3, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %4, align 4
  call void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %12) #6
  br label %92

92:                                               ; preds = %88, %84
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %93

93:                                               ; preds = %92, %61
  call void @_ZNSt3setIcSt4lessIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %94

94:                                               ; preds = %93, %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %107

95:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %96 = call ptr @_ZNKSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z1sB5cxx11) #6
  %97 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator.11", ptr %15, i32 0, i32 0
  store ptr %96, ptr %97, align 8
  %98 = call noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  %99 = getelementptr inbounds %"struct.std::pair.13", ptr %98, i32 0, i32 1
  %100 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %99) #6
  %101 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, ptr noundef %100)
          to label %102 unwind label %103

102:                                              ; preds = %95
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #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
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  ret void

103:                                              ; preds = %95
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %3, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %107

107:                                              ; preds = %103, %94, %24
  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
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  br label %108

108:                                              ; preds = %107
  %109 = load ptr, ptr %3, align 8
  %110 = load i32, ptr %4, align 4
  %111 = insertvalue { ptr, i32 } poison, ptr %109, 0
  %112 = insertvalue { ptr, i32 } %111, i32 %110, 1
  resume { ptr, i32 } %112
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 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)) #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIcSt4lessIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIcSt4lessIcESaIcEE6insertERKc(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 1 dereferenceable(1)) #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 dso_local noundef i64 @_ZNKSt3setIcSt4lessIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE6insertEOS7_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(40)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZSt9make_pairIiRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS8_INS9_IT0_E4typeEE6__typeEEOSA_OSF_(ptr dead_on_unwind noalias writable sret(%"struct.std::pair.13") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(32)) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIcSt4lessIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; 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 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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, std::__cxx11::basic_string<char>>, std::pair<int, std::__cxx11::basic_string<char>>, std::_Identity<std::pair<int, std::__cxx11::basic_string<char>>>, std::less<std::pair<int, std::__cxx11::basic_string<char>>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, std::__cxx11::basic_string<char>>, std::pair<int, std::__cxx11::basic_string<char>>, std::_Identity<std::pair<int, std::__cxx11::basic_string<char>>>, std::less<std::pair<int, std::__cxx11::basic_string<char>>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"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::__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] }
%"class.std::set.3" = type { %"class.std::_Rb_tree.4" }
%"class.std::_Rb_tree.4" = type { %"struct.std::_Rb_tree<char, char, std::_Identity<char>, std::less<char>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<char, char, std::_Identity<char>, std::less<char>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::pair.13" = type { i32, %"class.std::__cxx11::basic_string" }
%"struct.std::_Rb_tree_const_iterator.11" = type { ptr }

@_Z1sB5cxx11 = external dso_local global %"class.std::set", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::set.3", align 8
  %4 = alloca %"struct.std::pair.13", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::_Rb_tree_const_iterator.11", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @_ZNSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z1sB5cxx11) #6
  %8 = 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 %.preheader unwind label %16

.preheader:                                       ; preds = %0
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %.lr.ph24, label %._crit_edge25

._crit_edge25:                                    ; preds = %38, %.preheader
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %11 = call ptr @_ZNKSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z1sB5cxx11) #6
  store ptr %11, ptr %6, align 8
  %12 = call noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  %13 = getelementptr inbounds i8, ptr %12, i64 8
  %14 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %13) #6
  %15 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, ptr noundef %14)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #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 nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret void

16:                                               ; preds = %0
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %48

.lr.ph24:                                         ; preds = %.preheader, %38
  %.01523 = phi i32 [ %39, %38 ], [ 0, %.preheader ]
  %18 = 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 %19 unwind label %26

19:                                               ; preds = %.lr.ph24
  %20 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %21 = trunc i64 %20 to i32
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #6
  call void @_ZNSt3setIcSt4lessIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %19
  %wide.trip.count = and i64 %20, 2147483647
  br label %.lr.ph

._crit_edge:                                      ; preds = %35, %19
  %23 = call noundef i64 @_ZNKSt3setIcSt4lessIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  %24 = trunc i64 %23 to i32
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %25 = sub nsw i32 0, %24
  store i32 %25, ptr %5, align 4, !tbaa !5
  invoke void @_ZSt9make_pairIiRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS8_INS9_IT0_E4typeEE6__typeEEOSA_OSF_(ptr dead_on_unwind nonnull writable sret(%"struct.std::pair.13") align 8 %4, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %36 unwind label %42

26:                                               ; preds = %.lr.ph24
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %48

.lr.ph:                                           ; preds = %.lr.ph.preheader, %35
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %35 ]
  %28 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %29 = load i8, ptr %28, align 1, !tbaa !9
  %.not = icmp eq i8 %29, 32
  br i1 %.not, label %35, label %30

30:                                               ; preds = %.lr.ph
  %31 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %32 = invoke { ptr, i8 } @_ZNSt3setIcSt4lessIcESaIcEE6insertERKc(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 1 dereferenceable(1) %31)
          to label %35 unwind label %33

33:                                               ; preds = %30
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %47

35:                                               ; preds = %30, %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !10

36:                                               ; preds = %._crit_edge
  %37 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE6insertEOS7_(ptr noundef nonnull align 8 dereferenceable(48) @_Z1sB5cxx11, ptr noundef nonnull align 8 dereferenceable(40) %4)
          to label %38 unwind label %44

38:                                               ; preds = %36
  call void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %4) #6
  call void @_ZNSt3setIcSt4lessIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #6
  %39 = add nuw nsw i32 %.01523, 1
  %40 = load i32, ptr %1, align 4, !tbaa !5
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %.lr.ph24, label %._crit_edge25, !llvm.loop !12

42:                                               ; preds = %._crit_edge
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %46

44:                                               ; preds = %36
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %4) #6
  br label %46

46:                                               ; preds = %44, %42
  %.pn = phi { ptr, i32 } [ %45, %44 ], [ %43, %42 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %4) #6
  br label %47

47:                                               ; preds = %46, %33
  %.pn18 = phi { ptr, i32 } [ %34, %33 ], [ %.pn, %46 ]
  call void @_ZNSt3setIcSt4lessIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #6
  br label %48

48:                                               ; preds = %26, %47, %16
  %.pn18.pn.pn = phi { ptr, i32 } [ %17, %16 ], [ %.pn18, %47 ], [ %27, %26 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn18.pn.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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 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 #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIcSt4lessIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) 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 uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIcSt4lessIcESaIcEE6insertERKc(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 1 dereferenceable(1)) local_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 dso_local noundef i64 @_ZNKSt3setIcSt4lessIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE6insertEOS7_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZSt9make_pairIiRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS8_INS9_IT0_E4typeEE6__typeEEOSA_OSF_(ptr dead_on_unwind noalias writable sret(%"struct.std::pair.13") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIcSt4lessIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4lessIS7_ESaIS7_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; 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 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 = { 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 #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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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}


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