; LLVM IR from google/benchmark :: src/benchmark_register.ll (ZN9benchmark8internal9Benchmark7ThreadsEi)

; 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_string_view" = type { i64, ptr }
%"class.benchmark::internal::CheckHandler" = type { ptr }
%"class.benchmark::internal::Benchmark" = type { ptr, %"class.std::__cxx11::basic_string", i32, %"class.std::vector.10", %"class.std::vector.15", i32, i8, i32, double, double, i64, i32, i8, i8, i8, i32, ptr, %"class.std::vector.20", %"class.std::vector.5", %"class.std::function", %"class.std::function", %"class.std::function.25" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.15" = type { %"struct.std::_Vector_base.16" }
%"struct.std::_Vector_base.16" = type { %"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.20" = type { %"struct.std::_Vector_base.21" }
%"struct.std::_Vector_base.21" = type { %"struct.std::_Vector_base<benchmark::internal::Statistics, std::allocator<benchmark::internal::Statistics>>::_Vector_impl" }
%"struct.std::_Vector_base<benchmark::internal::Statistics, std::allocator<benchmark::internal::Statistics>>::_Vector_impl" = type { %"struct.std::_Vector_base<benchmark::internal::Statistics, std::allocator<benchmark::internal::Statistics>>::_Vector_impl_data" }
%"struct.std::_Vector_base<benchmark::internal::Statistics, std::allocator<benchmark::internal::Statistics>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"class.std::function.25" = type { %"class.std::_Function_base", ptr }

@.str.2 = external hidden unnamed_addr constant [76 x i8], align 1
@.str.31 = external hidden unnamed_addr constant [10 x i8], align 1
@__func__._ZN9benchmark8internal9Benchmark7ThreadsEi = external hidden unnamed_addr constant [8 x i8], align 1

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9benchmark8internal18GetNullLogInstanceEv() #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt17basic_string_viewIcSt11char_traitsIcEEC2EPKc(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9benchmark8internal12CheckHandlerC2ESt17basic_string_viewIcSt11char_traitsIcEES5_S5_i(ptr noundef nonnull align 8 dereferenceable(8), i64, ptr, i64, ptr, ptr noundef byval(%"class.std::basic_string_view") align 8, i32 noundef) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9benchmark8internal12CheckHandler6GetLogEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress noreturn uwtable
declare dso_local void @_ZN9benchmark8internal12CheckHandlerD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4 align 2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #5

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN9benchmark8internal9Benchmark7ThreadsEi(ptr noundef nonnull align 8 dereferenceable(304) %0, i32 noundef %1) #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.benchmark::internal::CheckHandler", align 8
  %6 = alloca i1, align 1
  %7 = alloca %"class.std::basic_string_view", align 8
  %8 = alloca %"class.std::basic_string_view", align 8
  %9 = alloca %"class.std::basic_string_view", align 8
  %10 = alloca i1, align 1
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %13 = load ptr, ptr %3, align 8
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = icmp sgt i32 %14, 0
  store i1 false, ptr %6, align 1
  store i1 false, ptr %10, align 1
  br i1 %15, label %16, label %18

16:                                               ; preds = %2
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9benchmark8internal18GetNullLogInstanceEv()
  br label %29

18:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  store i1 true, ptr %6, align 1
  call void @_ZNSt17basic_string_viewIcSt11char_traitsIcEEC2EPKc(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef @.str.31) #6
  call void @_ZNSt17basic_string_viewIcSt11char_traitsIcEEC2EPKc(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef @.str.2) #6
  call void @_ZNSt17basic_string_viewIcSt11char_traitsIcEEC2EPKc(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef @__func__._ZN9benchmark8internal9Benchmark7ThreadsEi) #6
  %19 = getelementptr inbounds { i64, ptr }, ptr %7, i32 0, i32 0
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds { i64, ptr }, ptr %7, i32 0, i32 1
  %22 = load ptr, ptr %21, align 8
  %23 = getelementptr inbounds { i64, ptr }, ptr %8, i32 0, i32 0
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds { i64, ptr }, ptr %8, i32 0, i32 1
  %26 = load ptr, ptr %25, align 8
  call void @_ZN9benchmark8internal12CheckHandlerC2ESt17basic_string_viewIcSt11char_traitsIcEES5_S5_i(ptr noundef nonnull align 8 dereferenceable(8) %5, i64 %20, ptr %22, i64 %24, ptr %26, ptr noundef byval(%"class.std::basic_string_view") align 8 %9, i32 noundef 456)
  store i1 true, ptr %10, align 1
  %27 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZN9benchmark8internal12CheckHandler6GetLogEv(ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %28 unwind label %33

28:                                               ; preds = %18
  br label %29

29:                                               ; preds = %28, %16
  %30 = phi ptr [ %17, %16 ], [ %27, %28 ]
  %31 = load i1, ptr %10, align 1
  br i1 %31, label %32, label %39

32:                                               ; preds = %29
  call void @_ZN9benchmark8internal12CheckHandlerD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  unreachable

33:                                               ; preds = %18
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %11, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %12, align 4
  %37 = load i1, ptr %10, align 1
  br i1 %37, label %44, label %47

38:                                               ; No predecessors!
  br label %39

39:                                               ; preds = %38, %29
  %40 = load i1, ptr %6, align 1
  br i1 %40, label %41, label %42

41:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %42

42:                                               ; preds = %41, %39
  %43 = getelementptr inbounds %"class.benchmark::internal::Benchmark", ptr %13, i32 0, i32 18
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %43, ptr noundef nonnull align 4 dereferenceable(4) %4)
  ret ptr %13

44:                                               ; preds = %33
  invoke void @_ZN9benchmark8internal12CheckHandlerD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5) #7
          to label %45 unwind label %56

45:                                               ; preds = %44
  unreachable

46:                                               ; No predecessors!
  br label %47

47:                                               ; preds = %46, %33
  %48 = load i1, ptr %6, align 1
  br i1 %48, label %49, label %50

49:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %50

50:                                               ; preds = %49, %47
  br label %51

51:                                               ; preds = %50
  %52 = load ptr, ptr %11, align 8
  %53 = load i32, ptr %12, align 4
  %54 = insertvalue { ptr, i32 } poison, ptr %52, 0
  %55 = insertvalue { ptr, i32 } %54, i32 %53, 1
  resume { ptr, i32 } %55

56:                                               ; preds = %44
  %57 = landingpad { ptr, i32 }
          catch ptr null
  %58 = extractvalue { ptr, i32 } %57, 0
  call void @__clang_call_terminate(ptr %58) #8
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress noreturn 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 = { noinline noreturn nounwind uwtable "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }
attributes #7 = { noreturn }
attributes #8 = { noreturn nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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}


; 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_string_view" = type { i64, ptr }
%"class.benchmark::internal::CheckHandler" = type { ptr }

@.str.2 = external hidden unnamed_addr constant [76 x i8], align 1
@.str.31 = external hidden unnamed_addr constant [10 x i8], align 1
@__func__._ZN9benchmark8internal9Benchmark7ThreadsEi = external hidden unnamed_addr constant [8 x i8], align 1

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9benchmark8internal18GetNullLogInstanceEv() local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt17basic_string_viewIcSt11char_traitsIcEEC2EPKc(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9benchmark8internal12CheckHandlerC2ESt17basic_string_viewIcSt11char_traitsIcEES5_S5_i(ptr noundef nonnull align 8 dereferenceable(8), i64, ptr, i64, ptr, ptr noundef byval(%"class.std::basic_string_view") align 8, i32 noundef) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9benchmark8internal12CheckHandler6GetLogEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress noreturn uwtable
declare dso_local void @_ZN9benchmark8internal12CheckHandlerD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull ptr @_ZN9benchmark8internal9Benchmark7ThreadsEi(ptr noundef nonnull returned align 8 dereferenceable(304) %0, i32 noundef %1) local_unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca %"class.benchmark::internal::CheckHandler", align 8
  %5 = alloca %"class.std::basic_string_view", align 8
  %6 = alloca %"class.std::basic_string_view", align 8
  %7 = alloca %"class.std::basic_string_view", align 8
  store i32 %1, ptr %3, align 4, !tbaa !5
  %8 = icmp slt i32 %1, 1
  br i1 %8, label %9, label %17

9:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  call void @_ZNSt17basic_string_viewIcSt11char_traitsIcEEC2EPKc(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef @.str.31) #5
  call void @_ZNSt17basic_string_viewIcSt11char_traitsIcEEC2EPKc(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef @.str.2) #5
  call void @_ZNSt17basic_string_viewIcSt11char_traitsIcEEC2EPKc(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef @__func__._ZN9benchmark8internal9Benchmark7ThreadsEi) #5
  %10 = load i64, ptr %5, align 8
  %11 = getelementptr inbounds i8, ptr %5, i64 8
  %12 = load ptr, ptr %11, align 8
  %13 = load i64, ptr %6, align 8
  %14 = getelementptr inbounds i8, ptr %6, i64 8
  %15 = load ptr, ptr %14, align 8
  call void @_ZN9benchmark8internal12CheckHandlerC2ESt17basic_string_viewIcSt11char_traitsIcEES5_S5_i(ptr noundef nonnull align 8 dereferenceable(8) %4, i64 %10, ptr %12, i64 %13, ptr %15, ptr noundef nonnull byval(%"class.std::basic_string_view") align 8 %7, i32 noundef 456)
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9benchmark8internal12CheckHandler6GetLogEv(ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @_ZN9benchmark8internal12CheckHandlerD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %4) #6
  unreachable

17:                                               ; preds = %2
  %18 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9benchmark8internal18GetNullLogInstanceEv()
  %19 = getelementptr inbounds i8, ptr %0, i64 184
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %19, ptr noundef nonnull align 4 dereferenceable(4) %3)
  ret ptr %0
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress noreturn 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 = { nounwind }
attributes #6 = { noreturn }

!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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass