; LLVM IR from nragland37/cpp-projects :: programming-II/05-dynamicMemoryAllocation (dynamic)

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

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [51 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [44 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.4 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [52 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [34 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [50 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  %5 = alloca ptr, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #9
  store ptr null, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #9
  store ptr null, ptr %5, align 8, !tbaa !5
  %6 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef @.str.1)
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef @.str.2)
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %10

10:                                               ; preds = %28, %0
  %11 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
  %12 = 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)
  %13 = load i32, ptr %2, align 4, !tbaa !9
  %14 = icmp sle i32 %13, 0
  br i1 %14, label %18, label %15

15:                                               ; preds = %10
  %16 = load i32, ptr %2, align 4, !tbaa !9
  %17 = icmp sgt i32 %16, 5000
  br i1 %17, label %18, label %20

18:                                               ; preds = %15, %10
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.4)
  br label %20

20:                                               ; preds = %18, %15
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin)
  br label %22

22:                                               ; preds = %20
  %23 = load i32, ptr %2, align 4, !tbaa !9
  %24 = icmp sle i32 %23, 0
  br i1 %24, label %28, label %25

25:                                               ; preds = %22
  %26 = load i32, ptr %2, align 4, !tbaa !9
  %27 = icmp sgt i32 %26, 5000
  br label %28

28:                                               ; preds = %25, %22
  %29 = phi i1 [ true, %22 ], [ %27, %25 ]
  br i1 %29, label %10, label %30, !llvm.loop !11

30:                                               ; preds = %28
  %31 = load i32, ptr %2, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %32, i64 32)
  %34 = extractvalue { i64, i1 } %33, 1
  %35 = extractvalue { i64, i1 } %33, 0
  %36 = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %35, i64 8)
  %37 = extractvalue { i64, i1 } %36, 1
  %38 = or i1 %34, %37
  %39 = extractvalue { i64, i1 } %36, 0
  %40 = select i1 %38, i64 -1, i64 %39
  %41 = call noalias noundef nonnull ptr @_Znam(i64 noundef %40) #10
  store i64 %32, ptr %41, align 16
  %42 = getelementptr inbounds i8, ptr %41, i64 8
  %43 = icmp eq i64 %32, 0
  br i1 %43, label %50, label %44

44:                                               ; preds = %30
  %45 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %42, i64 %32
  br label %46

46:                                               ; preds = %46, %44
  %47 = phi ptr [ %42, %44 ], [ %48, %46 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %47) #9
  %48 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %47, i64 1
  %49 = icmp eq ptr %48, %45
  br i1 %49, label %50, label %46

50:                                               ; preds = %46, %30
  store ptr %42, ptr %5, align 8, !tbaa !5
  %51 = load i32, ptr %2, align 4, !tbaa !9
  %52 = sext i32 %51 to i64
  %53 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %52, i64 4)
  %54 = extractvalue { i64, i1 } %53, 1
  %55 = extractvalue { i64, i1 } %53, 0
  %56 = select i1 %54, i64 -1, i64 %55
  %57 = call noalias noundef nonnull ptr @_Znam(i64 noundef %56) #10
  store ptr %57, ptr %3, align 8, !tbaa !5
  %58 = load ptr, ptr %5, align 8, !tbaa !5
  %59 = load ptr, ptr %3, align 8, !tbaa !5
  %60 = load i32, ptr %2, align 4, !tbaa !9
  call void @_Z5inputPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPii(ptr noundef %58, ptr noundef %59, i32 noundef %60)
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %61, ptr noundef @.str.6)
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %62, ptr noundef @.str.2)
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %65 = load ptr, ptr %5, align 8, !tbaa !5
  %66 = load ptr, ptr %3, align 8, !tbaa !5
  %67 = load i32, ptr %2, align 4, !tbaa !9
  call void @_Z7displayPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef %65, ptr noundef %66, i32 noundef %67)
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %68, ptr noundef @.str.7)
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %69, ptr noundef @.str.2)
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %70, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %72 = load ptr, ptr %5, align 8, !tbaa !5
  %73 = load ptr, ptr %3, align 8, !tbaa !5
  %74 = load i32, ptr %2, align 4, !tbaa !9
  call void @_Z18displayMostMatchesPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef %72, ptr noundef %73, i32 noundef %74)
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
  %76 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %75, ptr noundef @.str.8)
  %77 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %76, ptr noundef @.str.2)
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %77, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %79 = load ptr, ptr %3, align 8, !tbaa !5
  %80 = load i32, ptr %2, align 4, !tbaa !9
  %81 = call noundef double @_Z4meanPKii(ptr noundef %79, i32 noundef %80)
  store double %81, ptr %4, align 8, !tbaa !13
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.9)
  %83 = load double, ptr %4, align 8, !tbaa !13
  %84 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %82, double noundef %83)
  %85 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %84, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %86, ptr noundef @.str.10)
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %87, ptr noundef @.str.2)
  %89 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %88, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %90 = load ptr, ptr %5, align 8, !tbaa !5
  %91 = load ptr, ptr %3, align 8, !tbaa !5
  %92 = load i32, ptr %2, align 4, !tbaa !9
  call void @_Z12sortStudentsPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPii(ptr noundef %90, ptr noundef %91, i32 noundef %92)
  %93 = load ptr, ptr %5, align 8, !tbaa !5
  %94 = load ptr, ptr %3, align 8, !tbaa !5
  %95 = load i32, ptr %2, align 4, !tbaa !9
  call void @_Z7displayPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef %93, ptr noundef %94, i32 noundef %95)
  %96 = load ptr, ptr %5, align 8, !tbaa !5
  %97 = icmp eq ptr %96, null
  br i1 %97, label %110, label %98

98:                                               ; preds = %50
  %99 = getelementptr inbounds i8, ptr %96, i64 -8
  %100 = load i64, ptr %99, align 8
  %101 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %96, i64 %100
  %102 = icmp eq ptr %96, %101
  br i1 %102, label %107, label %103

103:                                              ; preds = %103, %98
  %104 = phi ptr [ %101, %98 ], [ %105, %103 ]
  %105 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %104, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %105) #9
  %106 = icmp eq ptr %105, %96
  br i1 %106, label %107, label %103

107:                                              ; preds = %103, %98
  %108 = mul i64 32, %100
  %109 = add i64 %108, 8
  call void @_ZdaPvm(ptr noundef %99, i64 noundef %109) #11
  br label %110

110:                                              ; preds = %107, %50
  store ptr null, ptr %5, align 8, !tbaa !5
  %111 = load ptr, ptr %3, align 8, !tbaa !5
  %112 = icmp eq ptr %111, null
  br i1 %112, label %114, label %113

113:                                              ; preds = %110
  call void @_ZdaPv(ptr noundef %111) #11
  br label %114

114:                                              ; preds = %113, %110
  store ptr null, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #9
  ret i32 0
}

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

; 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) #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)) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16)) #4

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #5

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.uadd.with.overflow.i64(i64, i64) #5

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #6

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #7 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5inputPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPii(ptr noundef, ptr noundef, i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7displayPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef, ptr noundef, i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z18displayMostMatchesPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef, ptr noundef, i32 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_Z4meanPKii(ptr noundef, i32 noundef) #7

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z12sortStudentsPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPii(ptr noundef, ptr noundef, i32 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #7 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPvm(ptr noundef, i64 noundef) #8

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #8

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

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 = { 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 #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 = { "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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { nobuiltin allocsize(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 = { 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 #8 = { nobuiltin 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 #9 = { nounwind }
attributes #10 = { builtin allocsize(0) }
attributes #11 = { builtin nounwind }

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

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


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

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [51 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [44 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.4 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [52 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [34 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [50 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  %2 = tail call 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 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull @.str.1)
  %4 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull @.str.2)
  %5 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %6

6:                                                ; preds = %13, %0
  %7 = call 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)
  %8 = 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)
  %9 = load i32, ptr %1, align 4
  %10 = add i32 %9, -5001
  %or.cond = icmp ult i32 %10, -5000
  br i1 %or.cond, label %11, label %13

11:                                               ; preds = %6
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.4)
  br label %13

13:                                               ; preds = %6, %11
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin)
  %15 = load i32, ptr %1, align 4
  %16 = add i32 %15, -5001
  %17 = icmp ult i32 %16, -5000
  br i1 %17, label %6, label %18, !llvm.loop !5

18:                                               ; preds = %13
  %19 = zext nneg i32 %15 to i64
  %20 = shl nuw nsw i64 %19, 5
  %21 = or disjoint i64 %20, 8
  %22 = call noalias noundef nonnull ptr @_Znam(i64 noundef %21) #9
  store i64 %19, ptr %22, align 16
  %.ptr = getelementptr inbounds i8, ptr %22, i64 8
  %23 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %.ptr, i64 %19
  br label %24

24:                                               ; preds = %24, %18
  %25 = phi ptr [ %.ptr, %18 ], [ %26, %24 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %25) #8
  %26 = getelementptr inbounds i8, ptr %25, i64 32
  %27 = icmp eq ptr %26, %23
  br i1 %27, label %28, label %24

28:                                               ; preds = %24
  %29 = load i32, ptr %1, align 4, !tbaa !7
  %30 = sext i32 %29 to i64
  %31 = icmp slt i32 %29, 0
  %32 = shl nsw i64 %30, 2
  %33 = select i1 %31, i64 -1, i64 %32
  %34 = call noalias noundef nonnull ptr @_Znam(i64 noundef %33) #9
  call void @_Z5inputPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPii(ptr noundef nonnull %.ptr, ptr noundef nonnull %34, i32 noundef %29)
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %35, ptr noundef nonnull @.str.6)
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %36, ptr noundef nonnull @.str.2)
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %37, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %39 = load i32, ptr %1, align 4, !tbaa !7
  call void @_Z7displayPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef nonnull %.ptr, ptr noundef nonnull %34, i32 noundef %39)
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef nonnull @.str.7)
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %41, ptr noundef nonnull @.str.2)
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %42, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %44 = load i32, ptr %1, align 4, !tbaa !7
  call void @_Z18displayMostMatchesPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef nonnull %.ptr, ptr noundef nonnull %34, i32 noundef %44)
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %45, ptr noundef nonnull @.str.8)
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %46, ptr noundef nonnull @.str.2)
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %47, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %49 = load i32, ptr %1, align 4, !tbaa !7
  %50 = call noundef double @_Z4meanPKii(ptr noundef nonnull %34, i32 noundef %49)
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.9)
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %51, double noundef %50)
  %53 = call 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_)
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
  %55 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %54, ptr noundef nonnull @.str.10)
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %55, ptr noundef nonnull @.str.2)
  %57 = call 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_)
  %58 = load i32, ptr %1, align 4, !tbaa !7
  call void @_Z12sortStudentsPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPii(ptr noundef nonnull %.ptr, ptr noundef nonnull %34, i32 noundef %58)
  %59 = load i32, ptr %1, align 4, !tbaa !7
  call void @_Z7displayPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef nonnull %.ptr, ptr noundef nonnull %34, i32 noundef %59)
  %60 = load i64, ptr %22, align 8
  %.idx = shl i64 %60, 5
  %.add = or disjoint i64 %.idx, 8
  %61 = icmp eq i64 %60, 0
  br i1 %61, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %28, %.preheader
  %.idx17 = phi i64 [ %.add18, %.preheader ], [ %.add, %28 ]
  %.add18 = add nsw i64 %.idx17, -32
  %.ptr20 = getelementptr inbounds i8, ptr %22, i64 %.add18
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %.ptr20) #8
  %62 = icmp eq i64 %.add18, 8
  br i1 %62, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %28
  call void @_ZdaPvm(ptr noundef nonnull %22, i64 noundef %.add) #10
  call void @_ZdaPv(ptr noundef nonnull %34) #10
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0
}

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

; 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 #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)) #2

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 #4

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5inputPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPii(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7displayPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z18displayMostMatchesPKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPKii(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_Z4meanPKii(ptr noundef, i32 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 #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z12sortStudentsPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPii(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #6 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPvm(ptr noundef, i64 noundef) local_unnamed_addr #7

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #7

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

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 = { 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 #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 = { "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 = { nobuiltin allocsize(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 = { 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 #7 = { nobuiltin 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 #8 = { nounwind }
attributes #9 = { builtin allocsize(0) }
attributes #10 = { builtin 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass