; LLVM IR from Compaile/ctrack :: examples (high_variance_pi_estimation)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::thread, std::allocator<std::thread>>::_Vector_impl" }
%"struct.std::_Vector_base<std::thread, std::allocator<std::thread>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::thread, std::allocator<std::thread>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::thread, std::allocator<std::thread>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings" = type { i32, double, double }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.21 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [16 x i8], align 1

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15run_estimationsii(i32 noundef, i32 noundef) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca ptr, align 8
  %14 = alloca %"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  store i32 1000, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  store i32 100000, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  %15 = call noundef i32 @_ZNSt6thread20hardware_concurrencyEv() #8
  store i32 %15, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = sdiv i32 1000, %16
  store i32 %17, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #8
  call void @_ZNSt6vectorISt6threadSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #8
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %18

18:                                               ; preds = %26, %0
  %19 = load i32, ptr %7, align 4, !tbaa !5
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = icmp slt i32 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  br label %33

23:                                               ; preds = %18
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorISt6threadSaIS0_EE12emplace_backIJRFviiERKiS7_EEERS0_DpOT_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull @_Z15run_estimationsii, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %25 unwind label %29

25:                                               ; preds = %23
  br label %26

26:                                               ; preds = %25
  %27 = load i32, ptr %7, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %7, align 4, !tbaa !5
  br label %18, !llvm.loop !9

29:                                               ; preds = %23
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %8, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  br label %71

33:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #8
  store ptr %6, ptr %10, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #8
  %34 = load ptr, ptr %10, align 8, !tbaa !11
  %35 = call ptr @_ZNSt6vectorISt6threadSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %34) #8
  %36 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %35, ptr %36, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #8
  %37 = load ptr, ptr %10, align 8, !tbaa !11
  %38 = call ptr @_ZNSt6vectorISt6threadSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %37) #8
  %39 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %38, ptr %39, align 8
  br label %40

40:                                               ; preds = %47, %33
  %41 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6threadSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #8
  br i1 %41, label %43, label %42

42:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #8
  br label %53

43:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #8
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6threadSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #8
  store ptr %44, ptr %13, align 8, !tbaa !11
  %45 = load ptr, ptr %13, align 8, !tbaa !11
  invoke void @_ZNSt6thread4joinEv(ptr noundef nonnull align 8 dereferenceable(8) %45)
          to label %46 unwind label %49

46:                                               ; preds = %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #8
  br label %47

47:                                               ; preds = %46
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6threadSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #8
  br label %40

49:                                               ; preds = %43
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %8, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #8
  br label %71

53:                                               ; preds = %42
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.21)
          to label %55 unwind label %67

55:                                               ; preds = %53
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %54, i32 noundef 1000)
          to label %57 unwind label %67

57:                                               ; preds = %55
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef @.str.22)
          to label %59 unwind label %67

59:                                               ; preds = %57
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %61 unwind label %67

61:                                               ; preds = %59
  %62 = getelementptr inbounds %"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings", ptr %14, i32 0, i32 0
  store i32 1, ptr %62, align 8, !tbaa !13
  %63 = getelementptr inbounds %"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings", ptr %14, i32 0, i32 1
  store double 0.000000e+00, ptr %63, align 8, !tbaa !16
  %64 = getelementptr inbounds %"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings", ptr %14, i32 0, i32 2
  store double 0.000000e+00, ptr %64, align 8, !tbaa !17
  invoke void @_ZN6ctrack63vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH12result_printENS0_22ctrack_result_settingsE(ptr noundef byval(%"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings") align 8 %14)
          to label %65 unwind label %67

65:                                               ; preds = %61
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorISt6threadSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  %66 = load i32, ptr %1, align 4
  ret i32 %66

67:                                               ; preds = %61, %59, %57, %55, %53
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %8, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %9, align 4
  br label %71

71:                                               ; preds = %67, %49, %29
  call void @_ZNSt6vectorISt6threadSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %72

72:                                               ; preds = %71
  %73 = load ptr, ptr %8, align 8
  %74 = load i32, ptr %9, align 4
  %75 = insertvalue { ptr, i32 } poison, ptr %73, 0
  %76 = insertvalue { ptr, i32 } %75, i32 %74, 1
  resume { ptr, i32 } %76
}

; Function Attrs: nounwind
declare noundef i32 @_ZNSt6thread20hardware_concurrencyEv() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt6threadSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorISt6threadSaIS0_EE12emplace_backIJRFviiERKiS7_EEERS0_DpOT_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt6threadSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt6threadSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6threadSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6threadSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

declare void @_ZNSt6thread4joinEv(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6threadSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #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) #7

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 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)) #7

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN6ctrack63vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH12result_printENS0_22ctrack_result_settingsE(ptr noundef byval(%"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings") align 8) #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt6threadSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress 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 = { "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 = { 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 #8 = { 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 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = !{!14, !6, i64 0}
!14 = !{!"_ZTSN6ctrack63vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH22ctrack_result_settingsE", !6, i64 0, !15, i64 8, !15, i64 16}
!15 = !{!"double", !7, i64 0}
!16 = !{!14, !15, i64 8}
!17 = !{!14, !15, i64 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::thread, std::allocator<std::thread>>::_Vector_impl" }
%"struct.std::_Vector_base<std::thread, std::allocator<std::thread>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::thread, std::allocator<std::thread>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::thread, std::allocator<std::thread>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings" = type { i32, double, double }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.21 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [16 x i8], align 1

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15run_estimationsii(i32 noundef, i32 noundef) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 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.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #9
  store i32 100000, ptr %1, align 4, !tbaa !5
  %7 = tail call noundef i32 @_ZNSt6thread20hardware_concurrencyEv() #9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #9
  %8 = sdiv i32 1000, %7
  store i32 %8, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #9
  call void @_ZNSt6vectorISt6threadSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #9
  %9 = icmp sgt i32 %7, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %14, %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #9
  %10 = call ptr @_ZNSt6vectorISt6threadSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #9
  store ptr %10, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #9
  %11 = call ptr @_ZNSt6vectorISt6threadSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #9
  store ptr %11, ptr %5, align 8
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6threadSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #9
  br i1 %12, label %.lr.ph14, label %._crit_edge15

.lr.ph:                                           ; preds = %0, %14
  %.012 = phi i32 [ %15, %14 ], [ 0, %0 ]
  %13 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorISt6threadSaIS0_EE12emplace_backIJRFviiERKiS7_EEERS0_DpOT_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull @_Z15run_estimationsii, ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %14 unwind label %16

14:                                               ; preds = %.lr.ph
  %15 = add nuw nsw i32 %.012, 1
  %exitcond.not = icmp eq i32 %15, %7
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

16:                                               ; preds = %.lr.ph
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %36

._crit_edge15:                                    ; preds = %20, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #9
  %18 = 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.21)
          to label %25 unwind label %34

.lr.ph14:                                         ; preds = %._crit_edge, %20
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6threadSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #9
  invoke void @_ZNSt6thread4joinEv(ptr noundef nonnull align 8 dereferenceable(8) %19)
          to label %20 unwind label %23

20:                                               ; preds = %.lr.ph14
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6threadSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #9
  %22 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6threadSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #9
  br i1 %22, label %.lr.ph14, label %._crit_edge15

23:                                               ; preds = %.lr.ph14
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #9
  br label %36

25:                                               ; preds = %._crit_edge15
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %18, i32 noundef 1000)
          to label %27 unwind label %34

27:                                               ; preds = %25
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull @.str.22)
          to label %29 unwind label %34

29:                                               ; preds = %27
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %31 unwind label %34

31:                                               ; preds = %29
  store i32 1, ptr %6, align 8, !tbaa !11
  %32 = getelementptr inbounds i8, ptr %6, i64 8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %32, i8 0, i64 16, i1 false)
  invoke void @_ZN6ctrack63vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH12result_printENS0_22ctrack_result_settingsE(ptr noundef nonnull byval(%"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings") align 8 %6)
          to label %33 unwind label %34

33:                                               ; preds = %31
  call void @_ZNSt6vectorISt6threadSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #9
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #9
  ret i32 0

34:                                               ; preds = %31, %29, %27, %25, %._crit_edge15
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %36

36:                                               ; preds = %34, %23, %16
  %.pn = phi { ptr, i32 } [ %17, %16 ], [ %24, %23 ], [ %35, %34 ]
  call void @_ZNSt6vectorISt6threadSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #9
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #9
  resume { ptr, i32 } %.pn
}

; Function Attrs: nounwind
declare noundef i32 @_ZNSt6thread20hardware_concurrencyEv() local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt6threadSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorISt6threadSaIS0_EE12emplace_backIJRFviiERKiS7_EEERS0_DpOT_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt6threadSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt6threadSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6threadSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6threadSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

declare void @_ZNSt6thread4joinEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6threadSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) 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 #7

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #6

; 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 #1 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)) #7

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN6ctrack63vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH12result_printENS0_22ctrack_result_settingsE(ptr noundef byval(%"struct.ctrack::vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH::ctrack_result_settings") align 8) local_unnamed_addr #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt6threadSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #8

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress 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 = { "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 = { 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 #8 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #9 = { 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 = !{!12, !6, i64 0}
!12 = !{!"_ZTSN6ctrack63vCTRACK_VERSION_MAJOR_CTRACK_VERSION_MINOR_CTRACK_VERSION_PATCH22ctrack_result_settingsE", !6, i64 0, !13, i64 8, !13, i64 16}
!13 = !{!"double", !7, i64 0}


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