; LLVM IR from TheAlgorithms/C-Plus-Plus :: data_structures (test_stack_students)

; 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_ostream" = type { ptr, %"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::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.0 }
%union.anon.0 = type { i32 }
%class.stack = type { %"class.std::shared_ptr", i64 }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"struct.std::_Setprecision" = type { i32 }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [99 x i8], align 1
@__PRETTY_FUNCTION__.main = external hidden unnamed_addr constant [23 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [31 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::basic_ifstream", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %class.stack, align 8
  %13 = alloca %"struct.std::_Setprecision", align 4
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #8
  store double 0x7FF8000000000000, ptr %6, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #8
  store double 0x7FF8000000000000, ptr %7, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #8
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = icmp eq i32 %15, 2
  br i1 %16, label %17, label %18

17:                                               ; preds = %2
  br label %20

18:                                               ; preds = %2
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 25, ptr noundef @__PRETTY_FUNCTION__.main) #9
  unreachable

19:                                               ; No predecessors!
  br label %20

20:                                               ; preds = %19, %17
  call void @llvm.lifetime.start.p0(i64 520, ptr %9) #8
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256) %9)
          to label %21 unwind label %57

21:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #8
  call void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #8
  %22 = load ptr, ptr %5, align 8, !tbaa !9
  %23 = getelementptr inbounds ptr, ptr %22, i64 1
  %24 = load ptr, ptr %23, align 8, !tbaa !9
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %9, ptr noundef %24, i32 noundef 8)
          to label %25 unwind label %61

25:                                               ; preds = %21
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt5fixedRSt8ios_base)
          to label %27 unwind label %61

27:                                               ; preds = %25
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef @_ZSt9showpointRSt8ios_base)
          to label %29 unwind label %61

29:                                               ; preds = %27
  %30 = invoke i32 @_ZSt12setprecisioni(i32 noundef 2)
          to label %31 unwind label %61

31:                                               ; preds = %29
  %32 = getelementptr inbounds %"struct.std::_Setprecision", ptr %13, i32 0, i32 0
  store i32 %30, ptr %32, align 4
  %33 = getelementptr inbounds %"struct.std::_Setprecision", ptr %13, i32 0, i32 0
  %34 = load i32, ptr %33, align 4
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 %34)
          to label %36 unwind label %61

36:                                               ; preds = %31
  %37 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %38 unwind label %61

38:                                               ; preds = %36
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %37, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %40 unwind label %61

40:                                               ; preds = %38
  %41 = load double, ptr %6, align 8, !tbaa !11
  store double %41, ptr %7, align 8, !tbaa !11
  br label %42

42:                                               ; preds = %76, %40
  %43 = load ptr, ptr %9, align 8, !tbaa !13
  %44 = getelementptr i8, ptr %43, i64 -24
  %45 = load i64, ptr %44, align 8
  %46 = getelementptr inbounds i8, ptr %9, i64 %45
  %47 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %46)
          to label %48 unwind label %61

48:                                               ; preds = %42
  br i1 %47, label %49, label %77

49:                                               ; preds = %48
  %50 = load double, ptr %6, align 8, !tbaa !11
  %51 = load double, ptr %7, align 8, !tbaa !11
  %52 = fcmp ogt double %50, %51
  br i1 %52, label %53, label %65

53:                                               ; preds = %49
  invoke void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %12)
          to label %54 unwind label %61

54:                                               ; preds = %53
  invoke void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE4pushERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %55 unwind label %61

55:                                               ; preds = %54
  %56 = load double, ptr %6, align 8, !tbaa !11
  store double %56, ptr %7, align 8, !tbaa !11
  br label %72

57:                                               ; preds = %20
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %10, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %11, align 4
  br label %114

61:                                               ; preds = %109, %98, %89, %86, %84, %82, %79, %77, %74, %72, %69, %54, %53, %42, %38, %36, %31, %29, %27, %25, %21
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %10, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %11, align 4
  br label %113

65:                                               ; preds = %49
  %66 = load double, ptr %6, align 8, !tbaa !11
  %67 = load double, ptr %7, align 8, !tbaa !11
  %68 = fcmp oeq double %66, %67
  br i1 %68, label %69, label %71

69:                                               ; preds = %65
  invoke void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE4pushERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %70 unwind label %61

70:                                               ; preds = %69
  br label %71

71:                                               ; preds = %70, %65
  br label %72

72:                                               ; preds = %71, %55
  %73 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %74 unwind label %61

74:                                               ; preds = %72
  %75 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %73, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %76 unwind label %61

76:                                               ; preds = %74
  br label %42, !llvm.loop !15

77:                                               ; preds = %48
  %78 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
          to label %79 unwind label %61

79:                                               ; preds = %77
  %80 = load double, ptr %7, align 8, !tbaa !11
  %81 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %78, double noundef %80)
          to label %82 unwind label %61

82:                                               ; preds = %79
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %81, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %84 unwind label %61

84:                                               ; preds = %82
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
          to label %86 unwind label %61

86:                                               ; preds = %84
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %85, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %88 unwind label %61

88:                                               ; preds = %86
  br label %89

89:                                               ; preds = %99, %88
  %90 = invoke noundef zeroext i1 @_ZNK5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE12isEmptyStackEv(ptr noundef nonnull align 8 dereferenceable(24) %12)
          to label %91 unwind label %61

91:                                               ; preds = %89
  %92 = xor i1 %90, true
  br i1 %92, label %93, label %109

93:                                               ; preds = %91
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #8
  invoke void @_ZNK5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE3topEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %14, ptr noundef nonnull align 8 dereferenceable(24) %12)
          to label %94 unwind label %100

94:                                               ; preds = %93
  %95 = 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) %14)
          to label %96 unwind label %104

96:                                               ; preds = %94
  %97 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %95, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %98 unwind label %104

98:                                               ; preds = %96
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #8
  invoke void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE3popEv(ptr noundef nonnull align 8 dereferenceable(24) %12)
          to label %99 unwind label %61

99:                                               ; preds = %98
  br label %89, !llvm.loop !17

100:                                              ; preds = %93
  %101 = landingpad { ptr, i32 }
          cleanup
  %102 = extractvalue { ptr, i32 } %101, 0
  store ptr %102, ptr %10, align 8
  %103 = extractvalue { ptr, i32 } %101, 1
  store i32 %103, ptr %11, align 4
  br label %108

104:                                              ; preds = %96, %94
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %10, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %11, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #8
  br label %108

108:                                              ; preds = %104, %100
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #8
  br label %113

109:                                              ; preds = %91
  %110 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %111 unwind label %61

111:                                              ; preds = %109
  store i32 0, ptr %3, align 4
  call void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %9) #8
  call void @llvm.lifetime.end.p0(i64 520, ptr %9) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #8
  %112 = load i32, ptr %3, align 4
  ret i32 %112

113:                                              ; preds = %108, %61
  call void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %9) #8
  br label %114

114:                                              ; preds = %113, %57
  call void @llvm.lifetime.end.p0(i64 520, ptr %9) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #8
  br label %115

115:                                              ; preds = %114
  %116 = load ptr, ptr %10, align 8
  %117 = load i32, ptr %11, align 4
  %118 = insertvalue { ptr, i32 } poison, ptr %116, 0
  %119 = insertvalue { ptr, i32 } %118, i32 %117, 1
  resume { ptr, i32 } %119
}

; 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: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt9showpointRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #6

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) #5

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #7

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

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE4pushERKS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) #4 align 2

; 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)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE12isEmptyStackEv(ptr noundef nonnull align 8 dereferenceable(24)) #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)) #6

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE3topEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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 uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE3popEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) 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 = { noreturn 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 #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 = { 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 = { 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 #7 = { "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 #8 = { nounwind }
attributes #9 = { noreturn 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 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}


; 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_ostream" = type { ptr, %"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::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.0 }
%union.anon.0 = type { i32 }
%class.stack = type { %"class.std::shared_ptr", i64 }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [99 x i8], align 1
@__PRETTY_FUNCTION__.main = external hidden unnamed_addr constant [23 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [31 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca double, align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::basic_ifstream", align 8
  %6 = alloca %class.stack, align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #8
  store double 0x7FF8000000000000, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #8
  %8 = icmp eq i32 %0, 2
  br i1 %8, label %10, label %9

9:                                                ; preds = %2
  call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 25, ptr noundef nonnull @__PRETTY_FUNCTION__.main) #9
  unreachable

10:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 520, ptr nonnull %5) #8
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256) %5)
          to label %11 unwind label %40

11:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #8
  call void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  %12 = getelementptr inbounds i8, ptr %1, i64 8
  %13 = load ptr, ptr %12, align 8, !tbaa !9
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %5, ptr noundef %13, i32 noundef 8)
          to label %14 unwind label %.loopexit.split-lp.loopexit.split-lp

14:                                               ; preds = %11
  %15 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt5fixedRSt8ios_base)
          to label %16 unwind label %.loopexit.split-lp.loopexit.split-lp

16:                                               ; preds = %14
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @_ZSt9showpointRSt8ios_base)
          to label %18 unwind label %.loopexit.split-lp.loopexit.split-lp

18:                                               ; preds = %16
  %19 = call i32 @_ZSt12setprecisioni(i32 noundef 2)
  %20 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 %19)
          to label %21 unwind label %.loopexit.split-lp.loopexit.split-lp

21:                                               ; preds = %18
  %22 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %23 unwind label %.loopexit.split-lp.loopexit.split-lp

23:                                               ; preds = %21
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %25 unwind label %.loopexit.split-lp.loopexit.split-lp

25:                                               ; preds = %23
  %26 = load double, ptr %3, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %47, %25
  %.010 = phi double [ %26, %25 ], [ %.111, %47 ]
  %28 = load ptr, ptr %5, align 8, !tbaa !11
  %29 = getelementptr i8, ptr %28, i64 -24
  %30 = load i64, ptr %29, align 8
  %31 = getelementptr inbounds i8, ptr %5, i64 %30
  %32 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %31)
          to label %33 unwind label %.loopexit.split-lp.loopexit

33:                                               ; preds = %27
  br i1 %32, label %34, label %49

34:                                               ; preds = %33
  %35 = load double, ptr %3, align 8, !tbaa !5
  %36 = fcmp ogt double %35, %.010
  br i1 %36, label %37, label %42

37:                                               ; preds = %34
  call void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %6)
  invoke void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE4pushERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %38 unwind label %.loopexit.split-lp.loopexit

38:                                               ; preds = %37
  %39 = load double, ptr %3, align 8, !tbaa !5
  br label %45

40:                                               ; preds = %10
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %74

.loopexit:                                        ; preds = %65
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit:                      ; preds = %47, %45, %44, %37, %27
  %lpad.loopexit17 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit.split-lp:             ; preds = %71, %57, %55, %53, %51, %49, %23, %21, %18, %16, %14, %11
  %lpad.loopexit.split-lp18 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

42:                                               ; preds = %34
  %43 = fcmp oeq double %35, %.010
  br i1 %43, label %44, label %45

44:                                               ; preds = %42
  invoke void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE4pushERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %45 unwind label %.loopexit.split-lp.loopexit

45:                                               ; preds = %42, %44, %38
  %.111 = phi double [ %39, %38 ], [ %.010, %44 ], [ %.010, %42 ]
  %46 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %47 unwind label %.loopexit.split-lp.loopexit

47:                                               ; preds = %45
  %48 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %46, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %27 unwind label %.loopexit.split-lp.loopexit, !llvm.loop !13

49:                                               ; preds = %33
  %50 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.2)
          to label %51 unwind label %.loopexit.split-lp.loopexit.split-lp

51:                                               ; preds = %49
  %52 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %50, double noundef %.010)
          to label %53 unwind label %.loopexit.split-lp.loopexit.split-lp

53:                                               ; preds = %51
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %52, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %55 unwind label %.loopexit.split-lp.loopexit.split-lp

55:                                               ; preds = %53
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
          to label %57 unwind label %.loopexit.split-lp.loopexit.split-lp

57:                                               ; preds = %55
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader unwind label %.loopexit.split-lp.loopexit.split-lp

.preheader:                                       ; preds = %57, %65
  %59 = call noundef zeroext i1 @_ZNK5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE12isEmptyStackEv(ptr noundef nonnull align 8 dereferenceable(24) %6)
  br i1 %59, label %71, label %60

60:                                               ; preds = %.preheader
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #8
  invoke void @_ZNK5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE3topEv(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %61 unwind label %66

61:                                               ; preds = %60
  %62 = 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) %7)
          to label %63 unwind label %68

63:                                               ; preds = %61
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %62, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %65 unwind label %68

65:                                               ; preds = %63
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #8
  invoke void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE3popEv(ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %.preheader unwind label %.loopexit, !llvm.loop !15

66:                                               ; preds = %60
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %70

68:                                               ; preds = %63, %61
  %69 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  br label %70

70:                                               ; preds = %68, %66
  %.pn = phi { ptr, i32 } [ %69, %68 ], [ %67, %66 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #8
  br label %.loopexit.split-lp

71:                                               ; preds = %.preheader
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %73 unwind label %.loopexit.split-lp.loopexit.split-lp

73:                                               ; preds = %71
  call void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %5) #8
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %5) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #8
  ret i32 0

.loopexit.split-lp:                               ; preds = %.loopexit, %.loopexit.split-lp.loopexit.split-lp, %.loopexit.split-lp.loopexit, %70
  %.pn14 = phi { ptr, i32 } [ %.pn, %70 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit17, %.loopexit.split-lp.loopexit ], [ %lpad.loopexit.split-lp18, %.loopexit.split-lp.loopexit.split-lp ]
  call void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %5) #8
  br label %74

74:                                               ; preds = %.loopexit.split-lp, %40
  %.pn14.pn = phi { ptr, i32 } [ %.pn14, %.loopexit.split-lp ], [ %41, %40 ]
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %5) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #8
  resume { ptr, i32 } %.pn14.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: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt9showpointRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #6

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) local_unnamed_addr #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) local_unnamed_addr #5

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #7

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

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE4pushERKS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) local_unnamed_addr #4 align 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 #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)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE12isEmptyStackEv(ptr noundef nonnull align 8 dereferenceable(24)) 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 #6

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE3topEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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: mustprogress uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE3popEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5stackINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) 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 = { noreturn 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 #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 = { 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 = { 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 #7 = { "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 #8 = { nounwind }
attributes #9 = { noreturn 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


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