; LLVM IR from chronoxor/CppBenchmark :: source/benchmark/environment.ll (ZN12CppBenchmark11Environment9OSVersionB5cxx11Ev)

; 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::__cxx11::basic_regex" = type { i32, %"class.std::locale", %"class.std::shared_ptr" }
%"class.std::locale" = type { ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.0 }
%union.anon.0 = type { i32 }
%"class.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::__cxx11::match_results" = type { %"class.std::vector", %"class.__gnu_cxx::__normal_iterator" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>, std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>, std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>, std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>, std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::allocator" = type { i8 }

@_ZZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11 = external hidden global %"class.std::__cxx11::basic_regex", align 8
@_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11 = external hidden global i64, align 8
@.str.1 = external hidden unnamed_addr constant [27 x i8], align 1
@__dso_handle = external hidden global i8
@.str.2 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [8 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

; 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
define dso_local void @_ZN12CppBenchmark11Environment9OSVersionB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0) #1 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::basic_ifstream", align 8
  %7 = alloca %"class.std::__cxx11::match_results", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::allocator", align 1
  store ptr %0, ptr %2, align 8
  %10 = load atomic i8, ptr @_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11 acquire, align 8
  %11 = icmp eq i8 %10, 0
  br i1 %11, label %12, label %18, !prof !5

12:                                               ; preds = %1
  %13 = call i32 @__cxa_guard_acquire(ptr @_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11) #2
  %14 = icmp ne i32 %13, 0
  br i1 %14, label %15, label %18

15:                                               ; preds = %12
  invoke void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEEC2EPKcNSt15regex_constants18syntax_option_typeE(ptr noundef nonnull align 8 dereferenceable(32) @_ZZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11, ptr noundef @.str.1, i32 noundef 16)
          to label %16 unwind label %37

16:                                               ; preds = %15
  %17 = call i32 @__cxa_atexit(ptr @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEED2Ev, ptr @_ZZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11, ptr @__dso_handle) #2
  call void @__cxa_guard_release(ptr @_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11) #2
  br label %18

18:                                               ; preds = %16, %12, %1
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #2
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #2
  call void @llvm.lifetime.start.p0(i64 520, ptr %6) #2
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %6, ptr noundef @.str.2, i32 noundef 8)
          to label %19 unwind label %41

19:                                               ; preds = %18
  br label %20

20:                                               ; preds = %60, %19
  %21 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %22 unwind label %45

22:                                               ; preds = %20
  %23 = load ptr, ptr %21, align 8, !tbaa !6
  %24 = getelementptr i8, ptr %23, i64 -24
  %25 = load i64, ptr %24, align 8
  %26 = getelementptr inbounds i8, ptr %21, i64 %25
  %27 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %26)
          to label %28 unwind label %45

28:                                               ; preds = %22
  br i1 %27, label %29, label %62

29:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #2
  invoke void @_ZNSt7__cxx1113match_resultsIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEESaINS_9sub_matchISA_EEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %30 unwind label %49

30:                                               ; preds = %29
  %31 = invoke noundef zeroext i1 @_ZSt11regex_matchISt11char_traitsIcESaIcESaINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS3_12basic_stringIcS1_S2_EEEEEEEcNS3_12regex_traitsIcEEEbRKNS9_IT2_T_T0_EERNS3_13match_resultsINSJ_14const_iteratorET1_EERKNS3_11basic_regexISG_T3_EENSt15regex_constants15match_flag_typeE(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) @_ZZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11, i32 noundef 0)
          to label %32 unwind label %53

32:                                               ; preds = %30
  br i1 %31, label %33, label %57

33:                                               ; preds = %32
  %34 = invoke noundef nonnull align 8 dereferenceable(17) ptr @_ZNKSt7__cxx1113match_resultsIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEESaINS_9sub_matchISA_EEEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef 1)
          to label %35 unwind label %53

35:                                               ; preds = %33
  invoke void @_ZNKSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEEEcvS9_Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(17) %34)
          to label %36 unwind label %53

36:                                               ; preds = %35
  store i32 1, ptr %8, align 4
  br label %58

37:                                               ; preds = %15
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %3, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %4, align 4
  call void @__cxa_guard_abort(ptr @_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11) #2
  br label %71

41:                                               ; preds = %18
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %3, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %4, align 4
  br label %70

45:                                               ; preds = %22, %20
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %3, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %4, align 4
  br label %69

49:                                               ; preds = %29
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %3, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %4, align 4
  br label %61

53:                                               ; preds = %35, %33, %30
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %3, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %4, align 4
  call void @_ZNSt6vectorINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS0_12basic_stringIcSt11char_traitsIcESaIcEEEEEEESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #2
  br label %61

57:                                               ; preds = %32
  store i32 0, ptr %8, align 4
  br label %58

58:                                               ; preds = %57, %36
  call void @_ZNSt6vectorINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS0_12basic_stringIcSt11char_traitsIcESaIcEEEEEEESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #2
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #2
  %59 = load i32, ptr %8, align 4
  switch i32 %59, label %68 [
    i32 0, label %60
  ]

60:                                               ; preds = %58
  br label %20, !llvm.loop !9

61:                                               ; preds = %53, %49
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #2
  br label %69

62:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #2
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #2
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %63 unwind label %64

63:                                               ; preds = %62
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #2
  store i32 1, ptr %8, align 4
  br label %68

64:                                               ; preds = %62
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %3, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %4, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #2
  br label %69

68:                                               ; preds = %63, %58
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %6) #2
  call void @llvm.lifetime.end.p0(i64 520, ptr %6) #2
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #2
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #2
  ret void

69:                                               ; preds = %64, %61, %45
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %6) #2
  br label %70

70:                                               ; preds = %69, %41
  call void @llvm.lifetime.end.p0(i64 520, ptr %6) #2
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #2
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #2
  br label %71

71:                                               ; preds = %70, %37
  %72 = load ptr, ptr %3, align 8
  %73 = load i32, ptr %4, align 4
  %74 = insertvalue { ptr, i32 } poison, ptr %72, 0
  %75 = insertvalue { ptr, i32 } %74, i32 %73, 1
  resume { ptr, i32 } %75
}

; Function Attrs: nounwind
declare i32 @__cxa_guard_acquire(ptr) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEEC2EPKcNSt15regex_constants18syntax_option_typeE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: nounwind
declare i32 @__cxa_atexit(ptr, ptr, ptr) #2

; Function Attrs: nounwind
declare void @__cxa_guard_abort(ptr) #2

; Function Attrs: nounwind
declare void @__cxa_guard_release(ptr) #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1113match_resultsIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEESaINS_9sub_matchISA_EEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZSt11regex_matchISt11char_traitsIcESaIcESaINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS3_12basic_stringIcS1_S2_EEEEEEEcNS3_12regex_traitsIcEEEbRKNS9_IT2_T_T0_EERNS3_13match_resultsINSJ_14const_iteratorET1_EERKNS3_11basic_regexISG_T3_EENSt15regex_constants15match_flag_typeE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(17) ptr @_ZNKSt7__cxx1113match_resultsIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEESaINS_9sub_matchISA_EEEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEEEcvS9_Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(17)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS0_12basic_stringIcSt11char_traitsIcESaIcEEEEEEESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 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 = { nounwind }
attributes #3 = { 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 #4 = { 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" }

!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 = !{!"branch_weights", i32 1, i32 1048575}
!6 = !{!7, !7, i64 0}
!7 = !{!"vtable pointer", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; 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::__cxx11::basic_regex" = type { i32, %"class.std::locale", %"class.std::shared_ptr" }
%"class.std::locale" = type { ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.0 }
%union.anon.0 = type { i32 }
%"class.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::__cxx11::match_results" = type { %"class.std::vector", %"class.__gnu_cxx::__normal_iterator" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>, std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>, std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>, std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>, std::allocator<std::__cxx11::sub_match<__gnu_cxx::__normal_iterator<const char *, std::__cxx11::basic_string<char>>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::allocator" = type { i8 }

@_ZZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11 = external hidden global %"class.std::__cxx11::basic_regex", align 8
@_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11 = external hidden global i64, align 8
@.str.1 = external hidden unnamed_addr constant [27 x i8], align 1
@__dso_handle = external hidden global i8
@.str.2 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [8 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

; 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
define dso_local void @_ZN12CppBenchmark11Environment9OSVersionB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::basic_ifstream", align 8
  %4 = alloca %"class.std::__cxx11::match_results", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = load atomic i8, ptr @_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11 acquire, align 8
  %7 = icmp eq i8 %6, 0
  br i1 %7, label %8, label %13, !prof !5

8:                                                ; preds = %1
  %9 = tail call i32 @__cxa_guard_acquire(ptr nonnull @_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11) #5
  %.not = icmp eq i32 %9, 0
  br i1 %.not, label %13, label %10

10:                                               ; preds = %8
  invoke void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEEC2EPKcNSt15regex_constants18syntax_option_typeE(ptr noundef nonnull align 8 dereferenceable(32) @_ZZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11, ptr noundef nonnull @.str.1, i32 noundef 16)
          to label %11 unwind label %28

11:                                               ; preds = %10
  %12 = tail call i32 @__cxa_atexit(ptr nonnull @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEED2Ev, ptr nonnull @_ZZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11, ptr nonnull @__dso_handle) #5
  tail call void @__cxa_guard_release(ptr nonnull @_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11) #5
  br label %13

13:                                               ; preds = %11, %8, %1
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.start.p0(i64 520, ptr nonnull %3) #5
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %3, ptr noundef nonnull @.str.2, i32 noundef 8)
          to label %.preheader unwind label %30

.critedge:                                        ; preds = %24
  call void @_ZNSt6vectorINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS0_12basic_stringIcSt11char_traitsIcESaIcEEEEEEESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  br label %.preheader

.preheader:                                       ; preds = %13, %.critedge
  %14 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %15 unwind label %32

15:                                               ; preds = %.preheader
  %16 = load ptr, ptr %14, align 8, !tbaa !6
  %17 = getelementptr i8, ptr %16, i64 -24
  %18 = load i64, ptr %17, align 8
  %19 = getelementptr inbounds i8, ptr %14, i64 %18
  %20 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %19)
          to label %21 unwind label %32

21:                                               ; preds = %15
  br i1 %20, label %22, label %36

22:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #5
  call void @_ZNSt7__cxx1113match_resultsIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEESaINS_9sub_matchISA_EEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4)
  %23 = invoke noundef zeroext i1 @_ZSt11regex_matchISt11char_traitsIcESaIcESaINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS3_12basic_stringIcS1_S2_EEEEEEEcNS3_12regex_traitsIcEEEbRKNS9_IT2_T_T0_EERNS3_13match_resultsINSJ_14const_iteratorET1_EERKNS3_11basic_regexISG_T3_EENSt15regex_constants15match_flag_typeE(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) @_ZZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11, i32 noundef 0)
          to label %24 unwind label %.loopexit

24:                                               ; preds = %22
  br i1 %23, label %25, label %.critedge

25:                                               ; preds = %24
  %26 = invoke noundef nonnull align 8 dereferenceable(17) ptr @_ZNKSt7__cxx1113match_resultsIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEESaINS_9sub_matchISA_EEEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef 1)
          to label %27 unwind label %.loopexit.split-lp

27:                                               ; preds = %25
  invoke void @_ZNKSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEEEcvS9_Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(17) %26)
          to label %35 unwind label %.loopexit.split-lp

28:                                               ; preds = %10
  %29 = landingpad { ptr, i32 }
          cleanup
  tail call void @__cxa_guard_abort(ptr nonnull @_ZGVZN12CppBenchmark11Environment9OSVersionB5cxx11EvE7patternB5cxx11) #5
  br label %43

30:                                               ; preds = %13
  %31 = landingpad { ptr, i32 }
          cleanup
  br label %42

32:                                               ; preds = %15, %.preheader
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %41

.loopexit:                                        ; preds = %22
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %34

.loopexit.split-lp:                               ; preds = %25, %27
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %34

34:                                               ; preds = %.loopexit.split-lp, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt6vectorINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS0_12basic_stringIcSt11char_traitsIcESaIcEEEEEEESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  br label %41

35:                                               ; preds = %27
  call void @_ZNSt6vectorINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS0_12basic_stringIcSt11char_traitsIcESaIcEEEEEEESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  br label %40

36:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %37 unwind label %38

37:                                               ; preds = %36
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %40

38:                                               ; preds = %36
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %41

40:                                               ; preds = %35, %37
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %3) #5
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  ret void

41:                                               ; preds = %38, %34, %32
  %.pn = phi { ptr, i32 } [ %lpad.phi, %34 ], [ %39, %38 ], [ %33, %32 ]
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %3) #5
  br label %42

42:                                               ; preds = %41, %30
  %.pn.pn = phi { ptr, i32 } [ %.pn, %41 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  br label %43

43:                                               ; preds = %42, %28
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %42 ], [ %29, %28 ]
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: nofree nounwind
declare i32 @__cxa_guard_acquire(ptr) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEEC2EPKcNSt15regex_constants18syntax_option_typeE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare i32 @__cxa_atexit(ptr, ptr, ptr) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare void @__cxa_guard_abort(ptr) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare void @__cxa_guard_release(ptr) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1113match_resultsIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEESaINS_9sub_matchISA_EEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZSt11regex_matchISt11char_traitsIcESaIcESaINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS3_12basic_stringIcS1_S2_EEEEEEEcNS3_12regex_traitsIcEEEbRKNS9_IT2_T_T0_EERNS3_13match_resultsINSJ_14const_iteratorET1_EERKNS3_11basic_regexISG_T3_EENSt15regex_constants15match_flag_typeE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(17) ptr @_ZNKSt7__cxx1113match_resultsIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEESaINS_9sub_matchISA_EEEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS_12basic_stringIcSt11char_traitsIcESaIcEEEEEEcvS9_Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(17)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx119sub_matchIN9__gnu_cxx17__normal_iteratorIPKcNS0_12basic_stringIcSt11char_traitsIcESaIcEEEEEEESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

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 = { nofree nounwind }
attributes #3 = { 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 #4 = { 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 #5 = { 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 = !{!"branch_weights", i32 1, i32 1048575}
!6 = !{!7, !7, i64 0}
!7 = !{!"vtable pointer", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass