; LLVM IR from giacomo-ascari/dichotomic-compression :: src/dc/dc-decompressor/dc-decompressor.ll (ZN15dc_decompressor5_packEv)

; 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.dc = type { i8, i64, i64, i64, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", i64, %class.dc_pixel_matrix, %"class.std::map", %"class.std::vector" }
%"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.dc_pixel_matrix = type { ptr, i64, i64 }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<unsigned long, std::pair<const unsigned long, _dc_heavy_sector>, std::_Select1st<std::pair<const unsigned long, _dc_heavy_sector>>, std::less<unsigned long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<unsigned long, std::pair<const unsigned long, _dc_heavy_sector>, std::_Select1st<std::pair<const unsigned long, _dc_heavy_sector>>, std::less<unsigned long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<_dc_light_sector, std::allocator<_dc_light_sector>>::_Vector_impl" }
%"struct.std::_Vector_base<_dc_light_sector, std::allocator<_dc_light_sector>>::_Vector_impl" = type { %"struct.std::_Vector_base<_dc_light_sector, std::allocator<_dc_light_sector>>::_Vector_impl_data" }
%"struct.std::_Vector_base<_dc_light_sector, std::allocator<_dc_light_sector>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.dc_pixel = type { i8, i8, 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

; Function Attrs: mustprogress uwtable
declare dso_local i32 @stbi_write_png(ptr noundef, i32 noundef, i32 noundef, i32 noundef, ptr noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15dc_decompressor5_packEv(ptr noundef nonnull align 8 dereferenceable(200) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %11 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %12 = getelementptr inbounds %class.dc, ptr %11, i32 0, i32 7
  %13 = call noundef i64 @_ZN15dc_pixel_matrix9get_widthEv(ptr noundef nonnull align 8 dereferenceable(24) %12)
  store i64 %13, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %14 = getelementptr inbounds %class.dc, ptr %11, i32 0, i32 7
  %15 = call noundef i64 @_ZN15dc_pixel_matrix10get_heightEv(ptr noundef nonnull align 8 dereferenceable(24) %14)
  store i64 %15, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %16 = load i64, ptr %3, align 8, !tbaa !9
  %17 = load i64, ptr %4, align 8, !tbaa !9
  %18 = mul i64 %16, %17
  %19 = mul i64 %18, 3
  %20 = call noalias noundef nonnull ptr @_Znam(i64 noundef %19) #7
  store ptr %20, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store i64 0, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %21

21:                                               ; preds = %62, %1
  %22 = load i64, ptr %7, align 8, !tbaa !9
  %23 = load i64, ptr %4, align 8, !tbaa !9
  %24 = icmp ult i64 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %65

26:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 0, ptr %9, align 8, !tbaa !9
  br label %27

27:                                               ; preds = %58, %26
  %28 = load i64, ptr %9, align 8, !tbaa !9
  %29 = load i64, ptr %3, align 8, !tbaa !9
  %30 = icmp ult i64 %28, %29
  br i1 %30, label %32, label %31

31:                                               ; preds = %27
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %61

32:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %33 = getelementptr inbounds %class.dc, ptr %11, i32 0, i32 7
  %34 = call noundef ptr @_ZN15dc_pixel_matrix10get_pixelsEv(ptr noundef nonnull align 8 dereferenceable(24) %33)
  %35 = load i64, ptr %9, align 8, !tbaa !9
  %36 = load i64, ptr %7, align 8, !tbaa !9
  %37 = load i64, ptr %3, align 8, !tbaa !9
  %38 = call noundef i64 @_Z2ixmmm(i64 noundef %35, i64 noundef %36, i64 noundef %37)
  %39 = getelementptr inbounds %class.dc_pixel, ptr %34, i64 %38
  store ptr %39, ptr %10, align 8, !tbaa !5
  %40 = load ptr, ptr %10, align 8, !tbaa !5
  %41 = call noundef zeroext i8 @_ZN8dc_pixel5get_rEv(ptr noundef nonnull align 1 dereferenceable(3) %40)
  %42 = load ptr, ptr %5, align 8, !tbaa !5
  %43 = load i64, ptr %6, align 8, !tbaa !9
  %44 = add i64 %43, 1
  store i64 %44, ptr %6, align 8, !tbaa !9
  %45 = getelementptr inbounds i8, ptr %42, i64 %43
  store i8 %41, ptr %45, align 1, !tbaa !11
  %46 = load ptr, ptr %10, align 8, !tbaa !5
  %47 = call noundef zeroext i8 @_ZN8dc_pixel5get_gEv(ptr noundef nonnull align 1 dereferenceable(3) %46)
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  %49 = load i64, ptr %6, align 8, !tbaa !9
  %50 = add i64 %49, 1
  store i64 %50, ptr %6, align 8, !tbaa !9
  %51 = getelementptr inbounds i8, ptr %48, i64 %49
  store i8 %47, ptr %51, align 1, !tbaa !11
  %52 = load ptr, ptr %10, align 8, !tbaa !5
  %53 = call noundef zeroext i8 @_ZN8dc_pixel5get_bEv(ptr noundef nonnull align 1 dereferenceable(3) %52)
  %54 = load ptr, ptr %5, align 8, !tbaa !5
  %55 = load i64, ptr %6, align 8, !tbaa !9
  %56 = add i64 %55, 1
  store i64 %56, ptr %6, align 8, !tbaa !9
  %57 = getelementptr inbounds i8, ptr %54, i64 %55
  store i8 %53, ptr %57, align 1, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %58

58:                                               ; preds = %32
  %59 = load i64, ptr %9, align 8, !tbaa !9
  %60 = add i64 %59, 1
  store i64 %60, ptr %9, align 8, !tbaa !9
  br label %27, !llvm.loop !12

61:                                               ; preds = %31
  br label %62

62:                                               ; preds = %61
  %63 = load i64, ptr %7, align 8, !tbaa !9
  %64 = add i64 %63, 1
  store i64 %64, ptr %7, align 8, !tbaa !9
  br label %21, !llvm.loop !14

65:                                               ; preds = %25
  %66 = getelementptr inbounds %class.dc, ptr %11, i32 0, i32 5
  %67 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %66) #6
  %68 = load i64, ptr %3, align 8, !tbaa !9
  %69 = trunc i64 %68 to i32
  %70 = load i64, ptr %4, align 8, !tbaa !9
  %71 = trunc i64 %70 to i32
  %72 = load ptr, ptr %5, align 8, !tbaa !5
  %73 = call i32 @stbi_write_png(ptr noundef %67, i32 noundef %69, i32 noundef %71, i32 noundef 3, ptr noundef %72, i32 noundef 0)
  %74 = load ptr, ptr %5, align 8, !tbaa !5
  %75 = icmp eq ptr %74, null
  br i1 %75, label %77, label %76

76:                                               ; preds = %65
  call void @_ZdaPv(ptr noundef %74) #8
  br label %77

77:                                               ; preds = %76, %65
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN15dc_pixel_matrix9get_widthEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN15dc_pixel_matrix10get_heightEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #3

declare noundef i64 @_Z2ixmmm(i64 noundef, i64 noundef, i64 noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN15dc_pixel_matrix10get_pixelsEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZN8dc_pixel5get_rEv(ptr noundef nonnull align 1 dereferenceable(3)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZN8dc_pixel5get_gEv(ptr noundef nonnull align 1 dereferenceable(3)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZN8dc_pixel5get_bEv(ptr noundef nonnull align 1 dereferenceable(3)) #2 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #5

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 = { 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 #3 = { 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 #4 = { "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 = { 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 #6 = { nounwind }
attributes #7 = { builtin allocsize(0) }
attributes #8 = { 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 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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.dc_pixel = type { i8, i8, i8 }

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15dc_decompressor5_packEv(ptr noundef nonnull align 8 dereferenceable(200) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 104
  %3 = tail call noundef i64 @_ZN15dc_pixel_matrix9get_widthEv(ptr noundef nonnull align 8 dereferenceable(24) %2)
  %4 = tail call noundef i64 @_ZN15dc_pixel_matrix10get_heightEv(ptr noundef nonnull align 8 dereferenceable(24) %2)
  %5 = mul i64 %3, 3
  %6 = mul i64 %5, %4
  %7 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %6) #5
  %.not = icmp eq i64 %4, 0
  %.not33 = icmp eq i64 %3, 0
  %or.cond = or i1 %.not, %.not33
  br i1 %or.cond, label %._crit_edge32, label %.preheader.us

.preheader.us:                                    ; preds = %1, %._crit_edge.us
  %.031.us = phi i64 [ %17, %._crit_edge.us ], [ 0, %1 ]
  %.02530.us = phi i64 [ %20, %._crit_edge.us ], [ 0, %1 ]
  br label %8

8:                                                ; preds = %.preheader.us, %8
  %.129.us = phi i64 [ %.031.us, %.preheader.us ], [ %17, %8 ]
  %.02428.us = phi i64 [ 0, %.preheader.us ], [ %19, %8 ]
  %9 = tail call noundef ptr @_ZN15dc_pixel_matrix10get_pixelsEv(ptr noundef nonnull align 8 dereferenceable(24) %2)
  %10 = tail call noundef i64 @_Z2ixmmm(i64 noundef %.02428.us, i64 noundef %.02530.us, i64 noundef %3)
  %11 = getelementptr inbounds %class.dc_pixel, ptr %9, i64 %10
  %12 = tail call noundef zeroext i8 @_ZN8dc_pixel5get_rEv(ptr noundef nonnull align 1 dereferenceable(3) %11)
  %13 = getelementptr inbounds i8, ptr %7, i64 %.129.us
  store i8 %12, ptr %13, align 1, !tbaa !5
  %14 = tail call noundef zeroext i8 @_ZN8dc_pixel5get_gEv(ptr noundef nonnull align 1 dereferenceable(3) %11)
  %15 = getelementptr i8, ptr %13, i64 1
  store i8 %14, ptr %15, align 1, !tbaa !5
  %16 = tail call noundef zeroext i8 @_ZN8dc_pixel5get_bEv(ptr noundef nonnull align 1 dereferenceable(3) %11)
  %17 = add i64 %.129.us, 3
  %18 = getelementptr i8, ptr %13, i64 2
  store i8 %16, ptr %18, align 1, !tbaa !5
  %19 = add nuw i64 %.02428.us, 1
  %exitcond.not = icmp eq i64 %19, %3
  br i1 %exitcond.not, label %._crit_edge.us, label %8, !llvm.loop !8

._crit_edge.us:                                   ; preds = %8
  %20 = add nuw i64 %.02530.us, 1
  %exitcond35.not = icmp eq i64 %20, %4
  br i1 %exitcond35.not, label %._crit_edge32, label %.preheader.us, !llvm.loop !10

._crit_edge32:                                    ; preds = %._crit_edge.us, %1
  %21 = getelementptr inbounds i8, ptr %0, i64 64
  %22 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %21) #6
  %23 = trunc i64 %3 to i32
  %24 = trunc i64 %4 to i32
  %25 = tail call i32 @stbi_write_png(ptr noundef %22, i32 noundef %23, i32 noundef %24, i32 noundef 3, ptr noundef nonnull %7, i32 noundef 0)
  tail call void @_ZdaPv(ptr noundef nonnull %7) #7
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN15dc_pixel_matrix9get_widthEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN15dc_pixel_matrix10get_heightEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #2

declare noundef i64 @_Z2ixmmm(i64 noundef, i64 noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN15dc_pixel_matrix10get_pixelsEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZN8dc_pixel5get_rEv(ptr noundef nonnull align 1 dereferenceable(3)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZN8dc_pixel5get_gEv(ptr noundef nonnull align 1 dereferenceable(3)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZN8dc_pixel5get_bEv(ptr noundef nonnull align 1 dereferenceable(3)) local_unnamed_addr #1 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #4

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 = { 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 = { 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 #3 = { "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 = { 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 #5 = { builtin allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !9}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass