; LLVM IR from abeaumont/competitive-programming :: codechef/aug18a (kcompres)

; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.5", %"struct.std::_Head_base.6" }
%"struct.std::_Tuple_impl.5" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i64 }
%"struct.std::_Head_base.6" = type { i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%class.anon = type { ptr }

@n = external dso_local global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca %"class.std::allocator.2", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::tuple", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %class.anon, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  br label %18

18:                                               ; preds = %128, %126, %0
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = add nsw i32 %19, -1
  store i32 %20, ptr %2, align 4, !tbaa !5
  %21 = icmp ne i32 %19, 0
  br i1 %21, label %22, label %136

22:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @n)
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %23, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  %25 = load i64, ptr @n, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  call void @_ZNSaISt5tupleIJxxEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %26 unwind label %33

26:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorISt5tupleIJxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %27

27:                                               ; preds = %44, %26
  %28 = load i32, ptr %8, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = load i64, ptr @n, align 8, !tbaa !9
  %31 = icmp slt i64 %29, %30
  br i1 %31, label %37, label %32

32:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %51

33:                                               ; preds = %22
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %6, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %7, align 4
  call void @_ZNSt15__new_allocatorISt5tupleIJxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  br label %135

37:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %38 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %39 unwind label %47

39:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #6
  call void @_ZNSt5tupleIJxxEEC2IRxRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 4 dereferenceable(4) %8) #6
  %40 = load i32, ptr %8, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %41) #6
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJxxEEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %42, ptr noundef nonnull align 8 dereferenceable(16) %10) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %44

44:                                               ; preds = %39
  %45 = load i32, ptr %8, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %8, align 4, !tbaa !5
  br label %27, !llvm.loop !11

47:                                               ; preds = %37
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %6, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %134

51:                                               ; preds = %32
  %52 = load i64, ptr %3, align 8, !tbaa !9
  %53 = load i64, ptr @n, align 8, !tbaa !9
  %54 = icmp slt i64 %52, %53
  br i1 %54, label %55, label %64

55:                                               ; preds = %51
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef 0)
          to label %57 unwind label %60

57:                                               ; preds = %55
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %59 unwind label %60

59:                                               ; preds = %57
  store i32 2, ptr %11, align 4
  br label %126, !llvm.loop !13

60:                                               ; preds = %73, %69, %67, %57, %55
  %61 = landingpad { ptr, i32 }
          cleanup
  %62 = extractvalue { ptr, i32 } %61, 0
  store ptr %62, ptr %6, align 8
  %63 = extractvalue { ptr, i32 } %61, 1
  store i32 %63, ptr %7, align 4
  br label %134

64:                                               ; preds = %51
  %65 = load i64, ptr @n, align 8, !tbaa !9
  %66 = icmp eq i64 %65, 1
  br i1 %66, label %67, label %72

67:                                               ; preds = %64
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef 2)
          to label %69 unwind label %60

69:                                               ; preds = %67
  %70 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %68, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %71 unwind label %60

71:                                               ; preds = %69
  store i32 2, ptr %11, align 4
  br label %126, !llvm.loop !13

72:                                               ; preds = %64
  br label %73

73:                                               ; preds = %72
  %74 = call ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %75 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %74, ptr %75, align 8
  %76 = call ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %77 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %76, ptr %77, align 8
  %78 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %79 = load ptr, ptr %78, align 8
  %80 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %81 = load ptr, ptr %80, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxxEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %79, ptr %81)
          to label %82 unwind label %60

82:                                               ; preds = %73
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %83 = getelementptr inbounds %class.anon, ptr %14, i32 0, i32 0
  store ptr %4, ptr %83, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  store i64 0, ptr %15, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %84 = load i64, ptr @n, align 8, !tbaa !9
  %85 = sdiv i64 %84, 2
  store i64 %85, ptr %16, align 8, !tbaa !9
  br label %86

86:                                               ; preds = %116, %82
  %87 = load i64, ptr %16, align 8, !tbaa !9
  %88 = icmp sge i64 %87, 1
  br i1 %88, label %90, label %89

89:                                               ; preds = %86
  store i32 7, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %119

90:                                               ; preds = %86
  br label %91

91:                                               ; preds = %107, %90
  %92 = load i64, ptr %15, align 8, !tbaa !9
  %93 = load i64, ptr %16, align 8, !tbaa !9
  %94 = add nsw i64 %92, %93
  %95 = load i64, ptr @n, align 8, !tbaa !9
  %96 = icmp sle i64 %94, %95
  br i1 %96, label %97, label %105

97:                                               ; preds = %91
  %98 = load i64, ptr %15, align 8, !tbaa !9
  %99 = load i64, ptr %16, align 8, !tbaa !9
  %100 = add nsw i64 %98, %99
  %101 = invoke noundef i64 @"_ZZ4mainENK3$_0clEx"(ptr noundef nonnull align 8 dereferenceable(8) %14, i64 noundef %100)
          to label %102 unwind label %111

102:                                              ; preds = %97
  %103 = load i64, ptr %3, align 8, !tbaa !9
  %104 = icmp sle i64 %101, %103
  br label %105

105:                                              ; preds = %102, %91
  %106 = phi i1 [ false, %91 ], [ %104, %102 ]
  br i1 %106, label %107, label %115

107:                                              ; preds = %105
  %108 = load i64, ptr %16, align 8, !tbaa !9
  %109 = load i64, ptr %15, align 8, !tbaa !9
  %110 = add nsw i64 %109, %108
  store i64 %110, ptr %15, align 8, !tbaa !9
  br label %91, !llvm.loop !16

111:                                              ; preds = %97
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %6, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %133

115:                                              ; preds = %105
  br label %116

116:                                              ; preds = %115
  %117 = load i64, ptr %16, align 8, !tbaa !9
  %118 = sdiv i64 %117, 2
  store i64 %118, ptr %16, align 8, !tbaa !9
  br label %86, !llvm.loop !17

119:                                              ; preds = %89
  %120 = load i64, ptr %15, align 8, !tbaa !9
  %121 = add nsw i64 %120, 1
  %122 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %121)
          to label %123 unwind label %129

123:                                              ; preds = %119
  %124 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %122, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %125 unwind label %129

125:                                              ; preds = %123
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  store i32 0, ptr %11, align 4
  br label %126

126:                                              ; preds = %125, %71, %59
  call void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  %127 = load i32, ptr %11, align 4
  switch i32 %127, label %143 [
    i32 0, label %128
    i32 2, label %18
  ]

128:                                              ; preds = %126
  br label %18, !llvm.loop !13

129:                                              ; preds = %123, %119
  %130 = landingpad { ptr, i32 }
          cleanup
  %131 = extractvalue { ptr, i32 } %130, 0
  store ptr %131, ptr %6, align 8
  %132 = extractvalue { ptr, i32 } %130, 1
  store i32 %132, ptr %7, align 4
  br label %133

133:                                              ; preds = %129, %111
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %134

134:                                              ; preds = %133, %60, %47
  call void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %135

135:                                              ; preds = %134, %33
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %138

136:                                              ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %137 = load i32, ptr %1, align 4
  ret i32 %137

138:                                              ; preds = %135
  %139 = load ptr, ptr %6, align 8
  %140 = load i32, ptr %7, align 4
  %141 = insertvalue { ptr, i32 } poison, ptr %139, 0
  %142 = insertvalue { ptr, i32 } %141, i32 %140, 1
  resume { ptr, i32 } %142

143:                                              ; preds = %126
  unreachable
}

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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt5tupleIJxxEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJxxEEC2IRxRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJxxEEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxxEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef i64 @"_ZZ4mainENK3$_0clEx"(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #5 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt5tupleIJxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 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 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 #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}


; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<long long, long long>, std::allocator<std::tuple<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.5", %"struct.std::_Head_base.6" }
%"struct.std::_Tuple_impl.5" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i64 }
%"struct.std::_Head_base.6" = type { i64 }
%class.anon = type { ptr }

@n = external dso_local global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca %"class.std::allocator.2", align 1
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca %"class.std::tuple", align 8
  %8 = alloca %class.anon, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %10 = load i32, ptr %1, align 4, !tbaa !5
  %11 = add nsw i32 %10, -1
  store i32 %11, ptr %1, align 4, !tbaa !5
  %.not34 = icmp eq i32 %10, 0
  br i1 %.not34, label %._crit_edge37, label %.lr.ph36

.lr.ph36:                                         ; preds = %0, %63
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @n)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  %14 = load i64, ptr @n, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSaISt5tupleIJxxEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %14, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %15 unwind label %20

15:                                               ; preds = %.lr.ph36
  call void @_ZNSt15__new_allocatorISt5tupleIJxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  %16 = load i64, ptr @n, align 8, !tbaa !9
  %17 = icmp sgt i64 %16, 0
  br i1 %17, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %23, %15
  %.lcssa = phi i64 [ %16, %15 ], [ %31, %23 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  %18 = load i64, ptr %2, align 8, !tbaa !9
  %19 = icmp slt i64 %18, %.lcssa
  br i1 %19, label %.invoke43, label %37

20:                                               ; preds = %.lr.ph36
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt5tupleIJxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %70

.lr.ph:                                           ; preds = %15, %23
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %22 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %23 unwind label %33

23:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #6
  call void @_ZNSt5tupleIJxxEEC2IRxRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(4) %5) #6
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %25) #6
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJxxEEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 8 dereferenceable(16) %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  %28 = load i32, ptr %5, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %5, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = load i64, ptr @n, align 8, !tbaa !9
  %32 = icmp sgt i64 %31, %30
  br i1 %32, label %.lr.ph, label %._crit_edge, !llvm.loop !11

33:                                               ; preds = %.lr.ph
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  br label %69

35:                                               ; preds = %.invoke43, %.invoke, %42
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %69

37:                                               ; preds = %._crit_edge
  %38 = icmp eq i64 %.lcssa, 1
  br i1 %38, label %.invoke43, label %42

.invoke43:                                        ; preds = %._crit_edge, %37
  %39 = phi i32 [ 2, %37 ], [ 0, %._crit_edge ]
  %40 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %39)
          to label %.invoke unwind label %35

.invoke:                                          ; preds = %.invoke43
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %63 unwind label %35, !llvm.loop !13

42:                                               ; preds = %37
  %43 = call ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %44 = call ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxxEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %43, ptr %44)
          to label %45 unwind label %35

45:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  store ptr %3, ptr %8, align 8, !tbaa !14
  %46 = load i64, ptr @n, align 8, !tbaa !9
  %47 = icmp sgt i64 %46, 1
  br i1 %47, label %.preheader, label %._crit_edge32

.preheader:                                       ; preds = %45, %.critedge
  %.031.in = phi i64 [ %.03138, %.critedge ], [ %46, %45 ]
  %.01230 = phi i64 [ %.1, %.critedge ], [ 0, %45 ]
  %.03138 = lshr i64 %.031.in, 1
  br label %50

._crit_edge32:                                    ; preds = %.critedge, %45
  %.012.lcssa = phi i64 [ 0, %45 ], [ %.1, %.critedge ]
  %48 = add nuw nsw i64 %.012.lcssa, 1
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %48)
          to label %60 unwind label %66

50:                                               ; preds = %.preheader, %55
  %.1 = phi i64 [ %51, %55 ], [ %.01230, %.preheader ]
  %51 = add nuw nsw i64 %.1, %.03138
  %52 = load i64, ptr @n, align 8, !tbaa !9
  %.not20 = icmp sgt i64 %51, %52
  br i1 %.not20, label %.critedge, label %53

53:                                               ; preds = %50
  %54 = invoke noundef i64 @"_ZZ4mainENK3$_0clEx"(ptr noundef nonnull align 8 dereferenceable(8) %8, i64 noundef %51)
          to label %55 unwind label %57

55:                                               ; preds = %53
  %56 = load i64, ptr %2, align 8, !tbaa !9
  %.not22 = icmp sgt i64 %54, %56
  br i1 %.not22, label %.critedge, label %50, !llvm.loop !16

57:                                               ; preds = %53
  %58 = landingpad { ptr, i32 }
          cleanup
  br label %68

.critedge:                                        ; preds = %55, %50
  %59 = icmp ugt i64 %.031.in, 3
  br i1 %59, label %.preheader, label %._crit_edge32, !llvm.loop !17

60:                                               ; preds = %._crit_edge32
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %62 unwind label %66

62:                                               ; preds = %60
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  br label %63

63:                                               ; preds = %.invoke, %62
  call void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  %64 = load i32, ptr %1, align 4, !tbaa !5
  %65 = add nsw i32 %64, -1
  store i32 %65, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %64, 0
  br i1 %.not, label %._crit_edge37, label %.lr.ph36

66:                                               ; preds = %60, %._crit_edge32
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %68

68:                                               ; preds = %66, %57
  %.pn = phi { ptr, i32 } [ %58, %57 ], [ %67, %66 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  br label %69

69:                                               ; preds = %68, %35, %33
  %.pn23 = phi { ptr, i32 } [ %34, %33 ], [ %36, %35 ], [ %.pn, %68 ]
  call void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %70

70:                                               ; preds = %69, %20
  %.pn23.pn = phi { ptr, i32 } [ %.pn23, %69 ], [ %21, %20 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn23.pn

._crit_edge37:                                    ; preds = %63, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0
}

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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt5tupleIJxxEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJxxEEC2IRxRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS5_T0_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJxxEEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4 align 2

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 uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt5tupleIJxxEESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5tupleIJxxEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef i64 @"_ZZ4mainENK3$_0clEx"(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #5 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5tupleIJxxEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt5tupleIJxxEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 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 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 #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}


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