; LLVM IR from gulrak/filesystem :: test/filesystem_test.ll (ZN5Catch9XmlWriterD2Ev)

; 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.Catch::XmlWriter" = type { i8, i8, %"class.std::vector.16", %"class.std::__cxx11::basic_string", ptr }
%"class.std::vector.16" = type { %"struct.std::_Vector_base.17" }
%"struct.std::_Vector_base.17" = 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::__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] }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5CatchorENS_13XmlFormattingES0_(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(72) ptr @_ZN5Catch9XmlWriter10endElementENS_13XmlFormattingE(ptr noundef nonnull align 8 dereferenceable(72), i32 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN5Catch9XmlWriterD2Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  br label %4

4:                                                ; preds = %11, %1
  %5 = getelementptr inbounds %"class.Catch::XmlWriter", ptr %3, i32 0, i32 2
  %6 = call noundef zeroext i1 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  %7 = xor i1 %6, true
  br i1 %7, label %8, label %12

8:                                                ; preds = %4
  %9 = call noundef i32 @_ZN5CatchorENS_13XmlFormattingES0_(i32 noundef 2, i32 noundef 1)
  %10 = invoke noundef nonnull align 8 dereferenceable(72) ptr @_ZN5Catch9XmlWriter10endElementENS_13XmlFormattingE(ptr noundef nonnull align 8 dereferenceable(72) %3, i32 noundef %9)
          to label %11 unwind label %16

11:                                               ; preds = %8
  br label %4, !llvm.loop !9

12:                                               ; preds = %4
  invoke void @_ZN5Catch9XmlWriter18newlineIfNecessaryEv(ptr noundef nonnull align 8 dereferenceable(72) %3)
          to label %13 unwind label %16

13:                                               ; preds = %12
  %14 = getelementptr inbounds %"class.Catch::XmlWriter", ptr %3, i32 0, i32 3
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #3
  %15 = getelementptr inbounds %"class.Catch::XmlWriter", ptr %3, i32 0, i32 2
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #3
  ret void

16:                                               ; preds = %12, %8
  %17 = landingpad { ptr, i32 }
          catch ptr null
  %18 = extractvalue { ptr, i32 } %17, 0
  call void @__clang_call_terminate(ptr %18) #4
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Catch9XmlWriter18newlineIfNecessaryEv(ptr noundef nonnull align 8 dereferenceable(72)) #2 align 2

attributes #0 = { 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 #1 = { 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 #2 = { 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 = { nounwind }
attributes #4 = { 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 = 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5CatchorENS_13XmlFormattingES0_(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(72) ptr @_ZN5Catch9XmlWriter10endElementENS_13XmlFormattingE(ptr noundef nonnull align 8 dereferenceable(72), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN5Catch9XmlWriterD2Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  br label %3

3:                                                ; preds = %5, %1
  %4 = tail call noundef zeroext i1 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  br i1 %4, label %8, label %5

5:                                                ; preds = %3
  %6 = tail call noundef i32 @_ZN5CatchorENS_13XmlFormattingES0_(i32 noundef 2, i32 noundef 1)
  %7 = invoke noundef nonnull align 8 dereferenceable(72) ptr @_ZN5Catch9XmlWriter10endElementENS_13XmlFormattingE(ptr noundef nonnull align 8 dereferenceable(72) %0, i32 noundef %6)
          to label %3 unwind label %.loopexit, !llvm.loop !5

8:                                                ; preds = %3
  invoke void @_ZN5Catch9XmlWriter18newlineIfNecessaryEv(ptr noundef nonnull align 8 dereferenceable(72) %0)
          to label %9 unwind label %.loopexit.split-lp

9:                                                ; preds = %8
  %10 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #3
  tail call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  ret void

.loopexit:                                        ; preds = %5
  %lpad.loopexit = landingpad { ptr, i32 }
          catch ptr null
  br label %11

.loopexit.split-lp:                               ; preds = %8
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          catch ptr null
  br label %11

11:                                               ; preds = %.loopexit.split-lp, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  %12 = extractvalue { ptr, i32 } %lpad.phi, 0
  tail call void @__clang_call_terminate(ptr %12) #4
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Catch9XmlWriter18newlineIfNecessaryEv(ptr noundef nonnull align 8 dereferenceable(72)) local_unnamed_addr #2 align 2

attributes #0 = { 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 #1 = { 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 #2 = { 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 = { nounwind }
attributes #4 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,LCSSAPass,LICMPass,LoopSimplifyPass,SROAPass,SimplifyCFGPass,TailCallElimPass