; LLVM IR from gulrak/filesystem :: test (filesystem_test)

; 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.155" }
%"class.std::locale" = type { ptr }
%"class.std::shared_ptr.155" = type { %"class.std::__shared_ptr.156" }
%"class.std::__shared_ptr.156" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"struct.Catch::Matchers::StdString::RegexMatcher" = type <{ %"struct.Catch::Matchers::Impl::MatcherBase", %"class.std::__cxx11::basic_string", i32, [4 x i8] }>
%"struct.Catch::Matchers::Impl::MatcherBase" = type { %"class.Catch::Matchers::Impl::MatcherUntypedBase", %"struct.Catch::Matchers::Impl::MatcherMethod" }
%"class.Catch::Matchers::Impl::MatcherUntypedBase" = type { ptr, %"class.std::__cxx11::basic_string" }
%"struct.Catch::Matchers::Impl::MatcherMethod" = type { ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }

; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK5Catch8Matchers9StdString12RegexMatcher5matchERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(84) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_regex", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 16, ptr %5, align 4, !tbaa !9
  %10 = getelementptr inbounds %"struct.Catch::Matchers::StdString::RegexMatcher", ptr %9, i32 0, i32 2
  %11 = load i32, ptr %10, align 8, !tbaa !11
  %12 = icmp eq i32 %11, 1
  br i1 %12, label %13, label %15

13:                                               ; preds = %2
  %14 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt15regex_constantsoRERNS_18syntax_option_typeES0_(ptr noundef nonnull align 4 dereferenceable(4) %5, i32 noundef 1)
  br label %15

15:                                               ; preds = %13, %2
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #4
  %16 = getelementptr inbounds %"struct.Catch::Matchers::StdString::RegexMatcher", ptr %9, i32 0, i32 1
  %17 = load i32, ptr %5, align 4, !tbaa !9
  call void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEEC2ISt11char_traitsIcESaIcEEERKNS_12basic_stringIcT_T0_EENSt15regex_constants18syntax_option_typeE(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %16, i32 noundef %17)
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = invoke noundef zeroext i1 @_ZSt11regex_matchISt11char_traitsIcESaIcEcNSt7__cxx1112regex_traitsIcEEEbRKNS3_12basic_stringIT1_T_T0_EERKNS3_11basic_regexIS7_T2_EENSt15regex_constants15match_flag_typeE(ptr noundef nonnull align 8 dereferenceable(32) %18, ptr noundef nonnull align 8 dereferenceable(32) %6, i32 noundef 0)
          to label %20 unwind label %21

20:                                               ; preds = %15
  call void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret i1 %19

21:                                               ; preds = %15
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %7, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %8, align 4
  call void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %25

25:                                               ; preds = %21
  %26 = load ptr, ptr %7, align 8
  %27 = load i32, ptr %8, align 4
  %28 = insertvalue { ptr, i32 } poison, ptr %26, 0
  %29 = insertvalue { ptr, i32 } %28, i32 %27, 1
  resume { ptr, i32 } %29
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt15regex_constantsoRERNS_18syntax_option_typeES0_(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEEC2ISt11char_traitsIcESaIcEEERKNS_12basic_stringIcT_T0_EENSt15regex_constants18syntax_option_typeE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZSt11regex_matchISt11char_traitsIcESaIcEcNSt7__cxx1112regex_traitsIcEEEbRKNS3_12basic_stringIT1_T_T0_EERKNS3_11basic_regexIS7_T2_EENSt15regex_constants15match_flag_typeE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) #2

; 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

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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { 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 = !{!"_ZTSNSt15regex_constants18syntax_option_typeE", !7, i64 0}
!11 = !{!12, !19, i64 80}
!12 = !{!"_ZTSN5Catch8Matchers9StdString12RegexMatcherE", !13, i64 0, !15, i64 48, !19, i64 80}
!13 = !{!"_ZTSN5Catch8Matchers4Impl11MatcherBaseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE", !14, i64 0, !18, i64 40}
!14 = !{!"_ZTSN5Catch8Matchers4Impl18MatcherUntypedBaseE", !15, i64 8}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !16, i64 0, !17, i64 8, !7, i64 16}
!16 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!17 = !{!"long", !7, i64 0}
!18 = !{!"_ZTSN5Catch8Matchers4Impl13MatcherMethodINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE"}
!19 = !{!"_ZTSN5Catch13CaseSensitive6ChoiceE", !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::__cxx11::basic_regex" = type { i32, %"class.std::locale", %"class.std::shared_ptr.155" }
%"class.std::locale" = type { ptr }
%"class.std::shared_ptr.155" = type { %"class.std::__shared_ptr.156" }
%"class.std::__shared_ptr.156" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }

; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK5Catch8Matchers9StdString12RegexMatcher5matchERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(84) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::__cxx11::basic_regex", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  store i32 16, ptr %3, align 4, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 80
  %6 = load i32, ptr %5, align 8, !tbaa !9
  %7 = icmp eq i32 %6, 1
  br i1 %7, label %8, label %10

8:                                                ; preds = %2
  %9 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt15regex_constantsoRERNS_18syntax_option_typeES0_(ptr noundef nonnull align 4 dereferenceable(4) %3, i32 noundef 1)
  %.pre = load i32, ptr %3, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %8, %2
  %11 = phi i32 [ %.pre, %8 ], [ 16, %2 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  %12 = getelementptr inbounds i8, ptr %0, i64 48
  call void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEEC2ISt11char_traitsIcESaIcEEERKNS_12basic_stringIcT_T0_EENSt15regex_constants18syntax_option_typeE(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %12, i32 noundef %11)
  %13 = invoke noundef zeroext i1 @_ZSt11regex_matchISt11char_traitsIcESaIcEcNSt7__cxx1112regex_traitsIcEEEbRKNS3_12basic_stringIT1_T_T0_EERKNS3_11basic_regexIS7_T2_EENSt15regex_constants15match_flag_typeE(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %4, i32 noundef 0)
          to label %14 unwind label %15

14:                                               ; preds = %10
  call void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  ret i1 %13

15:                                               ; preds = %10
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  resume { ptr, i32 } %16
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt15regex_constantsoRERNS_18syntax_option_typeES0_(ptr noundef nonnull align 4 dereferenceable(4), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1111basic_regexIcNS_12regex_traitsIcEEEC2ISt11char_traitsIcESaIcEEERKNS_12basic_stringIcT_T0_EENSt15regex_constants18syntax_option_typeE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZSt11regex_matchISt11char_traitsIcESaIcEcNSt7__cxx1112regex_traitsIcEEEbRKNS3_12basic_stringIT1_T_T0_EERKNS3_11basic_regexIS7_T2_EENSt15regex_constants15match_flag_typeE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) local_unnamed_addr #2

; 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

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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { 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 = !{!"_ZTSNSt15regex_constants18syntax_option_typeE", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !18, i64 80}
!10 = !{!"_ZTSN5Catch8Matchers9StdString12RegexMatcherE", !11, i64 0, !13, i64 48, !18, i64 80}
!11 = !{!"_ZTSN5Catch8Matchers4Impl11MatcherBaseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE", !12, i64 0, !17, i64 40}
!12 = !{!"_ZTSN5Catch8Matchers4Impl18MatcherUntypedBaseE", !13, i64 8}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !14, i64 0, !16, i64 8, !7, i64 16}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!"_ZTSN5Catch8Matchers4Impl13MatcherMethodINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE"}
!18 = !{!"_ZTSN5Catch13CaseSensitive6ChoiceE", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass