; LLVM IR from felixklauke/erasmus :: core/src (FileSystemAccessor)

; 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.FileSystemAccessor = type { ptr, ptr, ptr }

@_ZTV18FileSystemAccessor = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN18FileSystemAccessorC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  store ptr getelementptr inbounds inrange(-16, 16) ({ [4 x ptr] }, ptr @_ZTV18FileSystemAccessor, i32 0, i32 0, i32 2), ptr %7, align 8, !tbaa !9
  %8 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 520) #3
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %8, ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef 8)
          to label %9 unwind label %14

9:                                                ; preds = %2
  %10 = getelementptr inbounds %class.FileSystemAccessor, ptr %7, i32 0, i32 1
  store ptr %8, ptr %10, align 8, !tbaa !11
  %11 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 512) #3
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %11, ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef 16)
          to label %12 unwind label %18

12:                                               ; preds = %9
  %13 = getelementptr inbounds %class.FileSystemAccessor, ptr %7, i32 0, i32 2
  store ptr %11, ptr %13, align 8, !tbaa !13
  ret void

14:                                               ; preds = %2
  %15 = landingpad { ptr, i32 }
          cleanup
  %16 = extractvalue { ptr, i32 } %15, 0
  store ptr %16, ptr %5, align 8
  %17 = extractvalue { ptr, i32 } %15, 1
  store i32 %17, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %8, i64 noundef 520) #4
  br label %22

18:                                               ; preds = %9
  %19 = landingpad { ptr, i32 }
          cleanup
  %20 = extractvalue { ptr, i32 } %19, 0
  store ptr %20, ptr %5, align 8
  %21 = extractvalue { ptr, i32 } %19, 1
  store i32 %21, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %11, i64 noundef 512) #4
  br label %22

22:                                               ; preds = %18, %14
  %23 = load ptr, ptr %5, align 8
  %24 = load i32, ptr %6, align 4
  %25 = insertvalue { ptr, i32 } poison, ptr %23, 0
  %26 = insertvalue { ptr, i32 } %25, i32 %24, 1
  resume { ptr, i32 } %26
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { nobuiltin allocsize(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 = { nobuiltin 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 #3 = { builtin allocsize(0) }
attributes #4 = { builtin 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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTS18FileSystemAccessor", !6, i64 8, !6, i64 16}
!13 = !{!12, !6, 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"

@_ZTV18FileSystemAccessor = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN18FileSystemAccessorC2ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(24) %0, ptr noundef %1) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  store ptr getelementptr inbounds inrange(-16, 16) (i8, ptr @_ZTV18FileSystemAccessor, i64 16), ptr %0, align 8, !tbaa !5
  %3 = tail call noalias noundef nonnull dereferenceable(520) ptr @_Znwm(i64 noundef 520) #3
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %3, ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef 8)
          to label %4 unwind label %9

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr %3, ptr %5, align 8, !tbaa !8
  %6 = tail call noalias noundef nonnull dereferenceable(512) ptr @_Znwm(i64 noundef 512) #3
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %6, ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef 16)
          to label %7 unwind label %11

7:                                                ; preds = %4
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %6, ptr %8, align 8, !tbaa !12
  ret void

9:                                                ; preds = %2
  %10 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 520) #4
  br label %13

11:                                               ; preds = %4
  %12 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %6, i64 noundef 512) #4
  br label %13

13:                                               ; preds = %11, %9
  %.pn = phi { ptr, i32 } [ %12, %11 ], [ %10, %9 ]
  resume { ptr, i32 } %.pn
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { nobuiltin allocsize(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 = { nobuiltin 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 #3 = { builtin allocsize(0) }
attributes #4 = { builtin 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !10, i64 8}
!9 = !{!"_ZTS18FileSystemAccessor", !10, i64 8, !10, i64 16}
!10 = !{!"any pointer", !11, i64 0}
!11 = !{!"omnipotent char", !7, i64 0}
!12 = !{!9, !10, i64 16}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass