; LLVM IR from NervanaSystems/ngraph :: src/ngraph/runtime/aligned_buffer.ll (ZN6ngraph7runtime13AlignedBufferaSEOS1_)

; 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.ngraph::runtime::AlignedBuffer" = type { ptr, ptr, ptr, i64 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZN6ngraph7runtime13AlignedBufferaSEOS1_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = icmp ne ptr %5, %6
  br i1 %7, label %8, label %33

8:                                                ; preds = %2
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %9, i32 0, i32 0
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %5, i32 0, i32 0
  store ptr %11, ptr %12, align 8, !tbaa !9
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %13, i32 0, i32 1
  %15 = load ptr, ptr %14, align 8, !tbaa !12
  %16 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %5, i32 0, i32 1
  store ptr %15, ptr %16, align 8, !tbaa !12
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %17, i32 0, i32 2
  %19 = load ptr, ptr %18, align 8, !tbaa !13
  %20 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %5, i32 0, i32 2
  store ptr %19, ptr %20, align 8, !tbaa !13
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %21, i32 0, i32 3
  %23 = load i64, ptr %22, align 8, !tbaa !14
  %24 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %5, i32 0, i32 3
  store i64 %23, ptr %24, align 8, !tbaa !14
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %25, i32 0, i32 0
  store ptr null, ptr %26, align 8, !tbaa !9
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %27, i32 0, i32 1
  store ptr null, ptr %28, align 8, !tbaa !12
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %29, i32 0, i32 2
  store ptr null, ptr %30, align 8, !tbaa !13
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %31, i32 0, i32 3
  store i64 0, ptr %32, align 8, !tbaa !14
  br label %33

33:                                               ; preds = %8, %2
  ret ptr %5
}

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" }

!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, !6, i64 0}
!10 = !{!"_ZTSN6ngraph7runtime13AlignedBufferE", !6, i64 0, !6, i64 8, !6, i64 16, !11, i64 24}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 16}
!14 = !{!10, !11, 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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZN6ngraph7runtime13AlignedBufferaSEOS1_(ptr noundef nonnull returned writeonly align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #0 align 2 {
  %.not = icmp eq ptr %0, %1
  br i1 %.not, label %11, label %3

3:                                                ; preds = %2
  %4 = load <2 x ptr>, ptr %1, align 8, !tbaa !5
  store <2 x ptr> %4, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %6, ptr %7, align 8, !tbaa !9
  %8 = getelementptr inbounds i8, ptr %1, i64 24
  %9 = load i64, ptr %8, align 8, !tbaa !12
  %10 = getelementptr inbounds i8, ptr %0, i64 24
  store i64 %9, ptr %10, align 8, !tbaa !12
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %1, i8 0, i64 32, i1 false)
  br label %11

11:                                               ; preds = %3, %2
  ret ptr %0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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, !6, i64 16}
!10 = !{!"_ZTSN6ngraph7runtime13AlignedBufferE", !6, i64 0, !6, i64 8, !6, i64 16, !11, i64 24}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 24}


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