; LLVM IR from troldal/KZip :: KZip/KZip.ll (ZN4KZip13ZipEntryProxycvNS_8ZipEntryEEv)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.KZip::ZipEntry" = type { %struct.mz_zip_archive_file_stat, %"class.std::vector" }
%struct.mz_zip_archive_file_stat = type { i32, i64, i16, i16, i16, i16, i64, i32, i64, i64, i16, i32, i64, i32, i32, i32, i32, [512 x i8], [512 x i8] }
%"class.KZip::ZipEntryProxy" = type { ptr, ptr, %struct.mz_zip_archive_file_stat, %"class.std::optional" }
%"class.std::optional" = type { %"struct.std::_Optional_base" }
%"struct.std::_Optional_base" = type { %"struct.std::_Optional_payload" }
%"struct.std::_Optional_payload" = type { %"struct.std::_Optional_payload.base", [7 x i8] }
%"struct.std::_Optional_payload.base" = type { %"struct.std::_Optional_payload_base.base" }
%"struct.std::_Optional_payload_base.base" = type <{ %"union.std::_Optional_payload_base<std::vector<unsigned char>>::_Storage", i8 }>
%"union.std::_Optional_payload_base<std::vector<unsigned char>>::_Storage" = type { %"class.std::vector" }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK4KZip13ZipEntryProxy7getDataISt6vectorIhSaIhEETnPNSt9enable_ifIXsr3stdE16is_convertible_vINT_10value_typeEhEEvE4typeELPv0EEES6_v(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(1160)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4KZip13ZipEntryProxycvNS_8ZipEntryEEv(ptr dead_on_unwind noalias writable sret(%"class.KZip::ZipEntry") align 8 %0, ptr noundef nonnull align 8 dereferenceable(1160) %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %struct.mz_zip_archive_file_stat, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8
  call void @_ZNK4KZip13ZipEntryProxy7getDataISt6vectorIhSaIhEETnPNSt9enable_ifIXsr3stdE16is_convertible_vINT_10value_typeEhEEvE4typeELPv0EEES6_v(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %5, ptr noundef nonnull align 8 dereferenceable(1160) %9)
  %10 = getelementptr inbounds %"class.KZip::ZipEntryProxy", ptr %9, i32 0, i32 2
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %6, ptr align 8 %10, i64 1112, i1 false), !tbaa.struct !9
  invoke void @_ZN4KZip8ZipEntryC1ESt6vectorIhSaIhEE24mz_zip_archive_file_stat(ptr noundef nonnull align 8 dereferenceable(1136) %0, ptr noundef %5, ptr noundef byval(%struct.mz_zip_archive_file_stat) align 8 %6)
          to label %11 unwind label %12

11:                                               ; preds = %2
  call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  ret void

12:                                               ; preds = %2
  %13 = landingpad { ptr, i32 }
          cleanup
  %14 = extractvalue { ptr, i32 } %13, 0
  store ptr %14, ptr %7, align 8
  %15 = extractvalue { ptr, i32 } %13, 1
  store i32 %15, ptr %8, align 4
  call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  br label %16

16:                                               ; preds = %12
  %17 = load ptr, ptr %7, align 8
  %18 = load i32, ptr %8, align 4
  %19 = insertvalue { ptr, i32 } poison, ptr %17, 0
  %20 = insertvalue { ptr, i32 } %19, i32 %18, 1
  resume { ptr, i32 } %20
}

declare void @_ZN4KZip8ZipEntryC1ESt6vectorIhSaIhEE24mz_zip_archive_file_stat(ptr, ptr, ptr)

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 }

!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 = !{i64 0, i64 4, !10, i64 8, i64 8, !12, i64 16, i64 2, !14, i64 18, i64 2, !14, i64 20, i64 2, !14, i64 22, i64 2, !14, i64 24, i64 8, !12, i64 32, i64 4, !10, i64 40, i64 8, !12, i64 48, i64 8, !12, i64 56, i64 2, !14, i64 60, i64 4, !10, i64 64, i64 8, !12, i64 72, i64 4, !10, i64 76, i64 4, !10, i64 80, i64 4, !10, i64 84, i64 4, !10, i64 88, i64 512, !16, i64 600, i64 512, !16}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"short", !7, i64 0}
!16 = !{!7, !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.KZip::ZipEntry" = type { %struct.mz_zip_archive_file_stat, %"class.std::vector" }
%struct.mz_zip_archive_file_stat = type { i32, i64, i16, i16, i16, i16, i64, i32, i64, i64, i16, i32, i64, i32, i32, i32, i32, [512 x i8], [512 x i8] }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK4KZip13ZipEntryProxy7getDataISt6vectorIhSaIhEETnPNSt9enable_ifIXsr3stdE16is_convertible_vINT_10value_typeEhEEvE4typeELPv0EEES6_v(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(1160)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4KZip13ZipEntryProxycvNS_8ZipEntryEEv(ptr dead_on_unwind noalias writable sret(%"class.KZip::ZipEntry") align 8 %0, ptr noundef nonnull align 8 dereferenceable(1160) %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector", align 8
  call void @_ZNK4KZip13ZipEntryProxy7getDataISt6vectorIhSaIhEETnPNSt9enable_ifIXsr3stdE16is_convertible_vINT_10value_typeEhEEvE4typeELPv0EEES6_v(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %3, ptr noundef nonnull align 8 dereferenceable(1160) %1)
  %4 = getelementptr inbounds i8, ptr %1, i64 16
  invoke void @_ZN4KZip8ZipEntryC1ESt6vectorIhSaIhEE24mz_zip_archive_file_stat(ptr noundef nonnull align 8 dereferenceable(1136) %0, ptr noundef nonnull %3, ptr noundef nonnull byval(%struct.mz_zip_archive_file_stat) align 8 %4)
          to label %5 unwind label %6

5:                                                ; preds = %2
  call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  ret void

6:                                                ; preds = %2
  %7 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIhSaIhEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  resume { ptr, i32 } %7
}

declare void @_ZN4KZip8ZipEntryC1ESt6vectorIhSaIhEE24mz_zip_archive_file_stat(ptr, ptr, ptr) local_unnamed_addr

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 = { 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 }

!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)"}


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