; LLVM IR from PaddlePaddle/Paddle :: paddle/pir/src/core/attribute.ll (ZN3pir9Attribute7type_idEv)

; 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.pir::TypeId" = type { ptr }
%"class.pir::Attribute" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local ptr @_ZN3pir9Attribute7type_idEv(ptr noundef nonnull align 8 dereferenceable(8) %0) #0 align 2 {
  %2 = alloca %"class.pir::TypeId", align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8
  %5 = getelementptr inbounds %"class.pir::Attribute", ptr %4, i32 0, i32 0
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = icmp ne ptr %6, null
  br i1 %7, label %8, label %14

8:                                                ; preds = %1
  %9 = getelementptr inbounds %"class.pir::Attribute", ptr %4, i32 0, i32 0
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3pir16AttributeStorage18abstract_attributeEv(ptr noundef nonnull align 8 dereferenceable(8) %10)
  %12 = call ptr @_ZNK3pir17AbstractAttribute7type_idEv(ptr noundef nonnull align 8 dereferenceable(16) %11)
  %13 = getelementptr inbounds %"class.pir::TypeId", ptr %2, i32 0, i32 0
  store ptr %12, ptr %13, align 8
  br label %15

14:                                               ; preds = %1
  call void @llvm.memset.p0.i64(ptr align 8 %2, i8 0, i64 8, i1 false)
  call void @_ZN3pir6TypeIdC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  br label %15

15:                                               ; preds = %14, %8
  %16 = getelementptr inbounds %"class.pir::TypeId", ptr %2, i32 0, i32 0
  %17 = load ptr, ptr %16, align 8
  ret ptr %17
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3pir16AttributeStorage18abstract_attributeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK3pir17AbstractAttribute7type_idEv(ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3pir6TypeIdC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

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 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSN3pir9AttributeE", !6, 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.pir::TypeId" = type { ptr }

; Function Attrs: mustprogress nounwind uwtable
define dso_local ptr @_ZN3pir9Attribute7type_idEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(8) %0) local_unnamed_addr #0 align 2 {
  %2 = alloca %"class.pir::TypeId", align 8
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %7, label %4

4:                                                ; preds = %1
  %5 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3pir16AttributeStorage18abstract_attributeEv(ptr noundef nonnull align 8 dereferenceable(8) %3)
  %6 = tail call ptr @_ZNK3pir17AbstractAttribute7type_idEv(ptr noundef nonnull align 8 dereferenceable(16) %5)
  br label %8

7:                                                ; preds = %1
  store i64 0, ptr %2, align 8
  call void @_ZN3pir6TypeIdC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %2) #1
  %.pre = load ptr, ptr %2, align 8
  br label %8

8:                                                ; preds = %7, %4
  %9 = phi ptr [ %.pre, %7 ], [ %6, %4 ]
  ret ptr %9
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK3pir16AttributeStorage18abstract_attributeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK3pir17AbstractAttribute7type_idEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3pir6TypeIdC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 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 = { 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 0}
!6 = !{!"_ZTSN3pir9AttributeE", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass