; LLVM IR from TheAlgorithms/C-Plus-Plus :: sorting (quick_sort)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl" }
%"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl" = type { %"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl_data" }
%"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [20 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [39 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [17 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [49 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [57 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [17 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !5
  %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)
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
  %14 = 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)
  %15 = 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)
  br label %16

16:                                               ; preds = %24, %0
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = icmp ne i32 %17, 1
  br i1 %18, label %19, label %22

19:                                               ; preds = %16
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = icmp ne i32 %20, 2
  br label %22

22:                                               ; preds = %19, %16
  %23 = phi i1 [ false, %16 ], [ %21, %19 ]
  br i1 %23, label %24, label %27

24:                                               ; preds = %22
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
  %26 = 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 %16, !llvm.loop !9

27:                                               ; preds = %22
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = icmp eq i32 %28, 1
  br i1 %29, label %30, label %33

30:                                               ; preds = %27
  %31 = call i64 @time(ptr noundef null) #7
  %32 = trunc i64 %31 to i32
  call void @srand(i32 noundef %32) #7
  call void @_ZL5testsv()
  br label %86

33:                                               ; preds = %27
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = icmp eq i32 %34, 2
  br i1 %35, label %36, label %85

36:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 0, ptr %3, align 4, !tbaa !5
  %37 = 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)
  %38 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #7
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #7
  call void @_ZNSaIfEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorIfSaIfEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %40, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %41 unwind label %49

41:                                               ; preds = %36
  call void @_ZNSt15__new_allocatorIfED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.6)
          to label %43 unwind label %53

43:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %44

44:                                               ; preds = %65, %43
  %45 = load i32, ptr %8, align 4, !tbaa !5
  %46 = load i32, ptr %3, align 4, !tbaa !5
  %47 = icmp slt i32 %45, %46
  br i1 %47, label %57, label %48

48:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %72

49:                                               ; preds = %36
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %6, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIfED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  br label %84

53:                                               ; preds = %77, %75, %41
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %6, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %7, align 4
  br label %83

57:                                               ; preds = %44
  %58 = 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 %59 unwind label %68

59:                                               ; preds = %57
  %60 = load i32, ptr %8, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %61) #7
  %63 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %62)
          to label %64 unwind label %68

64:                                               ; preds = %59
  br label %65

65:                                               ; preds = %64
  %66 = load i32, ptr %8, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %8, align 4, !tbaa !5
  br label %44, !llvm.loop !11

68:                                               ; preds = %59, %57
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %6, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %83

72:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %73 = load i32, ptr %3, align 4, !tbaa !5
  %74 = sub nsw i32 %73, 1
  store i32 %74, ptr %10, align 4, !tbaa !5
  invoke void @_ZN7sorting10quick_sort10quick_sortIfEEvPSt6vectorIT_SaIS3_EERKiS8_(ptr noundef %4, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %75 unwind label %79

75:                                               ; preds = %72
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.7)
          to label %77 unwind label %53

77:                                               ; preds = %75
  invoke void @_ZN7sorting10quick_sort4showIfEEvRKSt6vectorIT_SaIS3_EERKi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %78 unwind label %53

78:                                               ; preds = %77
  call void @_ZNSt6vectorIfSaIfEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %85

79:                                               ; preds = %72
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %6, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %83

83:                                               ; preds = %79, %68, %53
  call void @_ZNSt6vectorIfSaIfEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %84

84:                                               ; preds = %83, %49
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %87

85:                                               ; preds = %78, %33
  br label %86

86:                                               ; preds = %85, %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  ret i32 0

87:                                               ; preds = %84
  %88 = load ptr, ptr %6, align 8
  %89 = load i32, ptr %7, align 4
  %90 = insertvalue { ptr, i32 } poison, ptr %88, 0
  %91 = insertvalue { ptr, i32 } %90, i32 %89, 1
  resume { ptr, i32 } %91
}

; 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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: nounwind
declare void @srand(i32 noundef) #4

; Function Attrs: nounwind
declare i64 @time(ptr noundef) #4

; Function Attrs: mustprogress uwtable
declare hidden void @_ZL5testsv() #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIfEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIfSaIfEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIfED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #6 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 noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7sorting10quick_sort10quick_sortIfEEvPSt6vectorIT_SaIS3_EERKiS8_(ptr noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7sorting10quick_sort4showIfEEvRKSt6vectorIT_SaIS3_EERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIfSaIfEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #6 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 = { 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 = { "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 = { 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 #5 = { 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 = { 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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl" }
%"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl" = type { %"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl_data" }
%"struct.std::_Vector_base<float, std::allocator<float>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [20 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [39 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [17 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [49 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [57 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [17 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  store i32 0, ptr %1, align 4, !tbaa !5
  %7 = 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)
  %8 = 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.1)
  %9 = 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.2)
  %10 = 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)
  %11 = 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)
  %12 = load i32, ptr %1, align 4
  %13 = add i32 %12, -3
  %14 = icmp ult i32 %13, -2
  br i1 %14, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %15 = 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.4)
  %16 = 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)
  %17 = load i32, ptr %1, align 4
  %18 = add i32 %17, -3
  %19 = icmp ult i32 %18, -2
  br i1 %19, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %0
  %.lcssa11 = phi i32 [ %12, %0 ], [ %17, %.lr.ph ]
  %switch = icmp eq i32 %.lcssa11, 1
  br i1 %switch, label %20, label %23

20:                                               ; preds = %._crit_edge
  %21 = call i64 @time(ptr noundef null) #7
  %22 = trunc i64 %21 to i32
  call void @srand(i32 noundef %22) #7
  call void @_ZL5testsv()
  br label %55

23:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  store i32 0, ptr %2, align 4, !tbaa !5
  %24 = 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)
  %25 = 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)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #7
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  call void @_ZNSaIfEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorIfSaIfEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %27, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %28 unwind label %33

28:                                               ; preds = %23
  call void @_ZNSt15__new_allocatorIfED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  %29 = 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.6)
          to label %.preheader unwind label %35

.preheader:                                       ; preds = %28
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = icmp sgt i32 %30, 0
  br i1 %31, label %.lr.ph13, label %._crit_edge14

._crit_edge14:                                    ; preds = %41, %.preheader
  %.lcssa = phi i32 [ %30, %.preheader ], [ %42, %41 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  %32 = add nsw i32 %.lcssa, -1
  store i32 %32, ptr %6, align 4, !tbaa !5
  invoke void @_ZN7sorting10quick_sort10quick_sortIfEEvPSt6vectorIT_SaIS3_EERKiS8_(ptr noundef nonnull %3, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %47 unwind label %51

33:                                               ; preds = %23
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIfED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  br label %54

35:                                               ; preds = %49, %47, %28
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %53

.lr.ph13:                                         ; preds = %.preheader, %41
  %indvars.iv = phi i64 [ %indvars.iv.next, %41 ], [ 0, %.preheader ]
  %37 = 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 %38 unwind label %45

38:                                               ; preds = %.lr.ph13
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #7
  %40 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %39)
          to label %41 unwind label %45

41:                                               ; preds = %38
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %42 = load i32, ptr %2, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = icmp slt i64 %indvars.iv.next, %43
  br i1 %44, label %.lr.ph13, label %._crit_edge14, !llvm.loop !11

45:                                               ; preds = %38, %.lr.ph13
  %46 = landingpad { ptr, i32 }
          cleanup
  br label %53

47:                                               ; preds = %._crit_edge14
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  %48 = 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.7)
          to label %49 unwind label %35

49:                                               ; preds = %47
  invoke void @_ZN7sorting10quick_sort4showIfEEvRKSt6vectorIT_SaIS3_EERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %50 unwind label %35

50:                                               ; preds = %49
  call void @_ZNSt6vectorIfSaIfEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  br label %55

51:                                               ; preds = %._crit_edge14
  %52 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  br label %53

53:                                               ; preds = %51, %45, %35
  %.pn = phi { ptr, i32 } [ %46, %45 ], [ %36, %35 ], [ %52, %51 ]
  call void @_ZNSt6vectorIfSaIfEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %54

54:                                               ; preds = %53, %33
  %.pn.pn = phi { ptr, i32 } [ %.pn, %53 ], [ %34, %33 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn

55:                                               ; preds = %50, %20
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  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

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 #3

; Function Attrs: nounwind
declare void @srand(i32 noundef) local_unnamed_addr #4

; Function Attrs: nounwind
declare i64 @time(ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare hidden void @_ZL5testsv() local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIfEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIfSaIfEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIfED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #6 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 noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7sorting10quick_sort10quick_sortIfEEvPSt6vectorIT_SaIS3_EERKiS8_(ptr noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7sorting10quick_sort4showIfEEvRKSt6vectorIT_SaIS3_EERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIfSaIfEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #6 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 = { 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 = { "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 = { 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 #5 = { 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 = { 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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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