; LLVM IR from Simple-XX/SimpleKernel :: src/kernel/slab.ll (ZN4SLABD2Ev)

; 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.ALLOCATOR = type { ptr, ptr, i64, i64, i64, i64 }
%class.SLAB = type <{ %class.ALLOCATOR, [9 x %"class.SLAB::slab_cache_t"], i8, [7 x i8] }>
%"class.SLAB::slab_cache_t" = type <{ i64, %"struct.SLAB::chunk_t", %"struct.SLAB::chunk_t", %"struct.SLAB::chunk_t", i8, [7 x i8] }>
%"struct.SLAB::chunk_t" = type { i64, i64, ptr, ptr }

@_ZTV4SLAB = external dso_local unnamed_addr constant { [9 x ptr] }, align 8
@.str.9 = external hidden unnamed_addr constant [11 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105)) unnamed_addr #0 align 2

declare i32 @info(ptr noundef, ...) #1

; Function Attrs: nounwind
declare void @_ZN9ALLOCATORD2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4SLABD2Ev(ptr noundef nonnull align 8 dereferenceable(1057) %0) unnamed_addr #3 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
  store ptr getelementptr inbounds inrange(-16, 56) ({ [9 x ptr] }, ptr @_ZTV4SLAB, i32 0, i32 0, i32 2), ptr %3, align 8, !tbaa !9
  %4 = getelementptr inbounds %class.ALLOCATOR, ptr %3, i32 0, i32 1
  %5 = load ptr, ptr %4, align 8, !tbaa !11
  %6 = invoke i32 (ptr, ...) @info(ptr noundef @.str.9, ptr noundef %5)
          to label %7 unwind label %16

7:                                                ; preds = %1
  %8 = getelementptr inbounds %class.SLAB, ptr %3, i32 0, i32 1
  %9 = getelementptr inbounds [9 x %"class.SLAB::slab_cache_t"], ptr %8, i32 0, i32 0
  %10 = getelementptr inbounds %"class.SLAB::slab_cache_t", ptr %9, i64 9
  br label %11

11:                                               ; preds = %11, %7
  %12 = phi ptr [ %10, %7 ], [ %13, %11 ]
  %13 = getelementptr inbounds %"class.SLAB::slab_cache_t", ptr %12, i64 -1
  call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %13) #5
  %14 = icmp eq ptr %13, %9
  br i1 %14, label %15, label %11

15:                                               ; preds = %11
  call void @_ZN9ALLOCATORD2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  ret void

16:                                               ; preds = %1
  %17 = landingpad { ptr, i32 }
          catch ptr null
  %18 = extractvalue { ptr, i32 } %17, 0
  call void @__clang_call_terminate(ptr %18) #6
  unreachable
}

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #4

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 = { "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 = { 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 = { 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 #5 = { nounwind }
attributes #6 = { 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, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTS9ALLOCATOR", !6, i64 8, !13, i64 16, !13, i64 24, !13, i64 32, !13, i64 40}
!13 = !{!"long", !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"

@_ZTV4SLAB = external dso_local unnamed_addr constant { [9 x ptr] }, align 8
@.str.9 = external hidden unnamed_addr constant [11 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105)) unnamed_addr #0 align 2

declare i32 @info(ptr noundef, ...) local_unnamed_addr #1

; Function Attrs: nounwind
declare void @_ZN9ALLOCATORD2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4SLABD2Ev(ptr noundef nonnull align 8 dereferenceable(1057) %0) unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  store ptr getelementptr inbounds inrange(-16, 56) (i8, ptr @_ZTV4SLAB, i64 16), ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !8
  %4 = invoke i32 (ptr, ...) @info(ptr noundef nonnull @.str.9, ptr noundef %3)
          to label %.preheader.preheader unwind label %5

.preheader.preheader:                             ; preds = %1
  %.ptr1 = getelementptr inbounds i8, ptr %0, i64 944
  tail call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %.ptr1) #5
  %.ptr1.1 = getelementptr inbounds i8, ptr %0, i64 832
  tail call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %.ptr1.1) #5
  %.ptr1.2 = getelementptr inbounds i8, ptr %0, i64 720
  tail call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %.ptr1.2) #5
  %.ptr1.3 = getelementptr inbounds i8, ptr %0, i64 608
  tail call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %.ptr1.3) #5
  %.ptr1.4 = getelementptr inbounds i8, ptr %0, i64 496
  tail call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %.ptr1.4) #5
  %.ptr1.5 = getelementptr inbounds i8, ptr %0, i64 384
  tail call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %.ptr1.5) #5
  %.ptr1.6 = getelementptr inbounds i8, ptr %0, i64 272
  tail call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %.ptr1.6) #5
  %.ptr1.7 = getelementptr inbounds i8, ptr %0, i64 160
  tail call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %.ptr1.7) #5
  %.ptr1.8 = getelementptr inbounds i8, ptr %0, i64 48
  tail call void @_ZN4SLAB12slab_cache_tD2Ev(ptr noundef nonnull align 8 dereferenceable(105) %.ptr1.8) #5
  tail call void @_ZN9ALLOCATORD2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) #5
  ret void

5:                                                ; preds = %1
  %6 = landingpad { ptr, i32 }
          catch ptr null
  %7 = extractvalue { ptr, i32 } %6, 0
  tail call void @__clang_call_terminate(ptr %7) #6
  unreachable
}

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #4

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 = { "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 = { 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 = { 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 #5 = { nounwind }
attributes #6 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !10, i64 8}
!9 = !{!"_ZTS9ALLOCATOR", !10, i64 8, !12, i64 16, !12, i64 24, !12, i64 32, !12, i64 40}
!10 = !{!"any pointer", !11, i64 0}
!11 = !{!"omnipotent char", !7, i64 0}
!12 = !{!"long", !11, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,LoopSimplifyPass,SROAPass,SimplifyCFGPass,TailCallElimPass