; LLVM IR from marcobambini/gravity :: src/shared (gravity_value)

; 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"

%struct.gravity_closure_s = type { ptr, %struct.gravity_gc_s, ptr, ptr, ptr, ptr, i32 }
%struct.gravity_gc_s = type { i8, i8, ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @gravity_closure_dec_refcount(ptr noundef %0, ptr noundef %1) #0 {
  %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 %4, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.gravity_closure_s, ptr %5, i32 0, i32 6
  %7 = load i32, ptr %6, align 8, !tbaa !9
  %8 = icmp eq i32 %7, 1
  br i1 %8, label %9, label %12

9:                                                ; preds = %2
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  call void @gravity_gc_tempnull(ptr noundef %10, ptr noundef %11)
  br label %12

12:                                               ; preds = %9, %2
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.gravity_closure_s, ptr %13, i32 0, i32 6
  %15 = load i32, ptr %14, align 8, !tbaa !9
  %16 = icmp uge i32 %15, 1
  br i1 %16, label %17, label %22

17:                                               ; preds = %12
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.gravity_closure_s, ptr %18, i32 0, i32 6
  %20 = load i32, ptr %19, align 8, !tbaa !9
  %21 = add i32 %20, -1
  store i32 %21, ptr %19, align 8, !tbaa !9
  br label %22

22:                                               ; preds = %17, %12
  ret void
}

declare void @gravity_gc_tempnull(ptr noundef, ptr noundef) #1

attributes #0 = { 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" }

!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/C++ TBAA"}
!9 = !{!10, !13, i64 80}
!10 = !{!"gravity_closure_s", !6, i64 0, !11, i64 8, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !13, i64 80}
!11 = !{!"gravity_gc_s", !12, i64 0, !12, i64 1, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!12 = !{!"_Bool", !7, i64 0}
!13 = !{!"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"

; Function Attrs: nounwind uwtable
define dso_local void @gravity_closure_dec_refcount(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %1, i64 80
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = icmp eq i32 %4, 1
  br i1 %5, label %6, label %7

6:                                                ; preds = %2
  tail call void @gravity_gc_tempnull(ptr noundef %0, ptr noundef nonnull %1) #2
  %.pr = load i32, ptr %3, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %6, %2
  %8 = phi i32 [ %.pr, %6 ], [ %4, %2 ]
  %.not = icmp eq i32 %8, 0
  br i1 %.not, label %11, label %9

9:                                                ; preds = %7
  %10 = add i32 %8, -1
  store i32 %10, ptr %3, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %9, %7
  ret void
}

declare void @gravity_gc_tempnull(ptr noundef, ptr noundef) local_unnamed_addr #1

attributes #0 = { 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 }

!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, !12, i64 80}
!6 = !{!"gravity_closure_s", !7, i64 0, !10, i64 8, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !12, i64 80}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"gravity_gc_s", !11, i64 0, !11, i64 1, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32}
!11 = !{!"_Bool", !8, i64 0}
!12 = !{!"int", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,SROAPass,TailCallElimPass