; LLVM IR from NervanaSystems/ngraph :: src/ngraph/runtime/aligned_buffer.ll (ZN6ngraph7runtime13AlignedBufferD2Ev)

; 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 void @_ZN6ngraph7runtime13AlignedBufferD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %3, i32 0, i32 1
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %24

7:                                                ; preds = %1
  %8 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %3, i32 0, i32 0
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %20

11:                                               ; preds = %7
  %12 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %3, i32 0, i32 0
  %13 = load ptr, ptr %12, align 8, !tbaa !12
  %14 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %3, i32 0, i32 1
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  %16 = load ptr, ptr %13, align 8, !tbaa !13
  %17 = getelementptr inbounds ptr, ptr %16, i64 3
  %18 = load ptr, ptr %17, align 8
  invoke void %18(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef %15)
          to label %19 unwind label %25

19:                                               ; preds = %11
  br label %23

20:                                               ; preds = %7
  %21 = getelementptr inbounds %"class.ngraph::runtime::AlignedBuffer", ptr %3, i32 0, i32 1
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  call void @free(ptr noundef %22) #3
  br label %23

23:                                               ; preds = %20, %19
  br label %24

24:                                               ; preds = %23, %1
  ret void

25:                                               ; preds = %11
  %26 = landingpad { ptr, i32 }
          catch ptr null
  %27 = extractvalue { ptr, i32 } %26, 0
  call void @__clang_call_terminate(ptr %27) #4
  unreachable
}

declare i32 @__gxx_personality_v0(...)

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

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 = { noinline noreturn nounwind uwtable "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 "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 }
attributes #4 = { noreturn 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, !6, i64 8}
!10 = !{!"_ZTSN6ngraph7runtime13AlignedBufferE", !6, i64 0, !6, i64 8, !6, i64 16, !11, i64 24}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !6, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, 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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6ngraph7runtime13AlignedBufferD2Ev(ptr nocapture noundef nonnull readonly align 8 dereferenceable(32) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %11, label %4

4:                                                ; preds = %1
  %5 = load ptr, ptr %0, align 8, !tbaa !11
  %.not2 = icmp eq ptr %5, null
  br i1 %.not2, label %10, label %6

6:                                                ; preds = %4
  %7 = load ptr, ptr %5, align 8, !tbaa !12
  %8 = getelementptr inbounds i8, ptr %7, i64 24
  %9 = load ptr, ptr %8, align 8
  invoke void %9(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull %3)
          to label %11 unwind label %12

10:                                               ; preds = %4
  tail call void @free(ptr noundef nonnull %3) #3
  br label %11

11:                                               ; preds = %10, %6, %1
  ret void

12:                                               ; preds = %6
  %13 = landingpad { ptr, i32 }
          catch ptr null
  %14 = extractvalue { ptr, i32 } %13, 0
  tail call void @__clang_call_terminate(ptr %14) #4
  unreachable
}

declare i32 @__gxx_personality_v0(...)

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

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 = { noinline noreturn nounwind uwtable "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 willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 }
attributes #4 = { noreturn 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, !7, i64 8}
!6 = !{!"_ZTSN6ngraph7runtime13AlignedBufferE", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"vtable pointer", !9, i64 0}


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