; LLVM IR from vczh/herodb :: Kernel/Source/Vlpp.ll (ZN2vl6stream19MemoryWrapperStreamC2EPvl)

; 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.vl::stream::MemoryWrapperStream" = type { %"class.vl::Object", ptr, i64, i64, %"class.vl::stream::IStream" }
%"class.vl::Object" = type { ptr }
%"class.vl::stream::IStream" = type { %"class.vl::Interface" }
%"class.vl::Interface" = type { ptr }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN2vl6stream19MemoryWrapperStreamC2EPvl(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1, ptr noundef %2, i64 noundef %3) unnamed_addr #1 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store i64 %3, ptr %8, align 8, !tbaa !9
  %9 = load ptr, ptr %5, align 8
  %10 = load ptr, ptr %6, align 8
  call void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %9) #2
  %11 = load ptr, ptr %10, align 8
  store ptr %11, ptr %9, align 8, !tbaa !11
  %12 = getelementptr inbounds ptr, ptr %10, i64 1
  %13 = load ptr, ptr %12, align 8
  %14 = load ptr, ptr %9, align 8, !tbaa !11
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr %9, i64 %16
  store ptr %13, ptr %17, align 8, !tbaa !11
  %18 = getelementptr inbounds ptr, ptr %10, i64 2
  %19 = load ptr, ptr %18, align 8
  %20 = load ptr, ptr %9, align 8, !tbaa !11
  %21 = getelementptr i8, ptr %20, i64 -32
  %22 = load i64, ptr %21, align 8
  %23 = getelementptr inbounds i8, ptr %9, i64 %22
  store ptr %19, ptr %23, align 8, !tbaa !11
  %24 = getelementptr inbounds %"class.vl::stream::MemoryWrapperStream", ptr %9, i32 0, i32 1
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %25, ptr %24, align 8, !tbaa !13
  %26 = getelementptr inbounds %"class.vl::stream::MemoryWrapperStream", ptr %9, i32 0, i32 2
  %27 = load i64, ptr %8, align 8, !tbaa !9
  store i64 %27, ptr %26, align 8, !tbaa !16
  %28 = getelementptr inbounds %"class.vl::stream::MemoryWrapperStream", ptr %9, i32 0, i32 3
  store i64 0, ptr %28, align 8, !tbaa !17
  %29 = getelementptr inbounds %"class.vl::stream::MemoryWrapperStream", ptr %9, i32 0, i32 2
  %30 = load i64, ptr %29, align 8, !tbaa !16
  %31 = icmp sle i64 %30, 0
  br i1 %31, label %32, label %35

32:                                               ; preds = %4
  %33 = getelementptr inbounds %"class.vl::stream::MemoryWrapperStream", ptr %9, i32 0, i32 1
  store ptr null, ptr %33, align 8, !tbaa !13
  %34 = getelementptr inbounds %"class.vl::stream::MemoryWrapperStream", ptr %9, i32 0, i32 2
  store i64 0, ptr %34, align 8, !tbaa !16
  br label %35

35:                                               ; preds = %32, %4
  ret void
}

attributes #0 = { inlinehint 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 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 = { 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 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = !{!14, !6, i64 8}
!14 = !{!"_ZTSN2vl6stream19MemoryWrapperStreamE", !15, i64 0, !6, i64 8, !10, i64 16, !10, i64 24}
!15 = !{!"_ZTSN2vl6ObjectE"}
!16 = !{!14, !10, i64 16}
!17 = !{!14, !10, i64 24}


; 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"

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN2vl6stream19MemoryWrapperStreamC2EPvl(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr nocapture noundef readonly %1, ptr noundef %2, i64 noundef %3) unnamed_addr #1 align 2 {
  tail call void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #3
  %5 = load ptr, ptr %1, align 8
  store ptr %5, ptr %0, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = load ptr, ptr %6, align 8
  %8 = getelementptr i8, ptr %5, i64 -24
  %9 = load i64, ptr %8, align 8
  %10 = getelementptr inbounds i8, ptr %0, i64 %9
  store ptr %7, ptr %10, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %1, i64 16
  %12 = load ptr, ptr %11, align 8
  %13 = load ptr, ptr %0, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -32
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %0, i64 %15
  store ptr %12, ptr %16, align 8, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr %2, ptr %17, align 8, !tbaa !8
  %18 = getelementptr inbounds i8, ptr %0, i64 16
  store i64 %3, ptr %18, align 8, !tbaa !14
  %19 = getelementptr inbounds i8, ptr %0, i64 24
  store i64 0, ptr %19, align 8, !tbaa !15
  %20 = icmp slt i64 %3, 1
  br i1 %20, label %21, label %22

21:                                               ; preds = %4
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %17, i8 0, i64 16, i1 false)
  br label %22

22:                                               ; preds = %21, %4
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #0 = { inlinehint 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 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !11, i64 8}
!9 = !{!"_ZTSN2vl6stream19MemoryWrapperStreamE", !10, i64 0, !11, i64 8, !13, i64 16, !13, i64 24}
!10 = !{!"_ZTSN2vl6ObjectE"}
!11 = !{!"any pointer", !12, i64 0}
!12 = !{!"omnipotent char", !7, i64 0}
!13 = !{!"long", !12, i64 0}
!14 = !{!9, !13, i64 16}
!15 = !{!9, !13, i64 24}


; Effective O3 passes: EarlyCSEPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass