; LLVM IR from weicao/cascadb :: src/serialize/layout.ll (ZN7cascadb6Layout7destroyEPNS_5BlockE)

; 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.cascadb::Slice" = type <{ ptr, i32, [4 x i8] }>

@.str.1 = external hidden unnamed_addr constant [73 x i8], align 1
@.str.67 = external hidden unnamed_addr constant [6 x i8], align 1
@__PRETTY_FUNCTION__._ZN7cascadb6Layout7destroyEPNS_5BlockE = external hidden unnamed_addr constant [39 x i8], align 1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZN7cascadb5Block6bufferEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7cascadb6Layout7destroyEPNS_5BlockE(ptr noundef nonnull align 8 dereferenceable(600) %0, ptr noundef %1) #4 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.cascadb::Slice", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = icmp ne ptr %7, null
  br i1 %8, label %9, label %10

9:                                                ; preds = %2
  br label %12

10:                                               ; preds = %2
  call void @__assert_fail(ptr noundef @.str.67, ptr noundef @.str.1, i32 noundef 972, ptr noundef @__PRETTY_FUNCTION__._ZN7cascadb6Layout7destroyEPNS_5BlockE) #5
  unreachable

11:                                               ; No predecessors!
  br label %12

12:                                               ; preds = %11, %9
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZN7cascadb5Block6bufferEv(ptr noundef nonnull align 8 dereferenceable(32) %13)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %5, ptr align 8 %14, i64 16, i1 false), !tbaa.struct !9
  %15 = getelementptr inbounds { ptr, i32 }, ptr %5, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8
  %17 = getelementptr inbounds { ptr, i32 }, ptr %5, i32 0, i32 1
  %18 = load i32, ptr %17, align 8
  call void @_ZN7cascadb6Layout11free_bufferENS_5SliceE(ptr noundef nonnull align 8 dereferenceable(600) %6, ptr %16, i32 %18)
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = icmp eq ptr %19, null
  br i1 %20, label %22, label %21

21:                                               ; preds = %12
  call void @_ZdlPvm(ptr noundef %19, i64 noundef 32) #6
  br label %22

22:                                               ; preds = %21, %12
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7cascadb6Layout11free_bufferENS_5SliceE(ptr noundef nonnull align 8 dereferenceable(600), ptr, i32) #4 align 2

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { noreturn 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 = { 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 #4 = { 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 #5 = { noreturn nounwind }
attributes #6 = { 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 = !{i64 0, i64 8, !5, i64 8, i64 4, !10}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, 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"

@.str.1 = external hidden unnamed_addr constant [73 x i8], align 1
@.str.67 = external hidden unnamed_addr constant [6 x i8], align 1
@__PRETTY_FUNCTION__._ZN7cascadb6Layout7destroyEPNS_5BlockE = external hidden unnamed_addr constant [39 x i8], align 1

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZN7cascadb5Block6bufferEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7cascadb6Layout7destroyEPNS_5BlockE(ptr noundef nonnull align 8 dereferenceable(600) %0, ptr noundef %1) local_unnamed_addr #3 align 2 {
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %3, label %4

3:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.67, ptr noundef nonnull @.str.1, i32 noundef 972, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN7cascadb6Layout7destroyEPNS_5BlockE) #4
  unreachable

4:                                                ; preds = %2
  %5 = tail call noundef nonnull align 8 dereferenceable(12) ptr @_ZN7cascadb5Block6bufferEv(ptr noundef nonnull align 8 dereferenceable(32) %1)
  %.sroa.0.0.copyload = load ptr, ptr %5, align 8, !tbaa !5
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %5, i64 8
  %.sroa.2.0.copyload = load i32, ptr %.sroa.2.0..sroa_idx, align 8, !tbaa !9
  tail call void @_ZN7cascadb6Layout11free_bufferENS_5SliceE(ptr noundef nonnull align 8 dereferenceable(600) %0, ptr %.sroa.0.0.copyload, i32 %.sroa.2.0.copyload)
  tail call void @_ZdlPvm(ptr noundef nonnull %1, i64 noundef 32) #5
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7cascadb6Layout11free_bufferENS_5SliceE(ptr noundef nonnull align 8 dereferenceable(600), ptr, i32) local_unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { noreturn 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 #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 = { 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 #4 = { noreturn nounwind }
attributes #5 = { 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 = !{!"int", !7, i64 0}


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