; LLVM IR from paintdream/DontStarveLuaJIT :: src/luajit/src (lj_func)

; 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.GCupval = type { %struct.GCRef, i8, i8, i8, i8, %union.anon.0, %struct.MRef, i32 }
%struct.GCRef = type { i32 }
%union.anon.0 = type { %union.TValue }
%union.TValue = type { i64 }
%struct.MRef = type { i32 }

; Function Attrs: alwaysinline nounwind uwtable
declare hidden void @lj_mem_free(ptr noundef, ptr noundef, i64 noundef) #0

; Function Attrs: nounwind uwtable
define hidden void @lj_func_freeuv(ptr noundef %0, ptr noundef %1) #1 {
  %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.GCupval, ptr %5, i32 0, i32 3
  %7 = load i8, ptr %6, align 2, !tbaa !9
  %8 = icmp ne i8 %7, 0
  br i1 %8, label %11, label %9

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

11:                                               ; preds = %9, %2
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  call void @lj_mem_free(ptr noundef %12, ptr noundef %13, i64 noundef 24)
  ret void
}

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

attributes #0 = { alwaysinline 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 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" }

!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, !7, i64 6}
!10 = !{!"GCupval", !11, i64 0, !7, i64 4, !7, i64 5, !7, i64 6, !7, i64 7, !7, i64 8, !13, i64 16, !12, i64 20}
!11 = !{!"GCRef", !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!"MRef", !12, 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: alwaysinline nounwind uwtable
declare hidden void @lj_mem_free(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define hidden void @lj_func_freeuv(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %1, i64 6
  %4 = load i8, ptr %3, align 2, !tbaa !5
  %.not = icmp eq i8 %4, 0
  br i1 %.not, label %5, label %6

5:                                                ; preds = %2
  tail call void @unlinkuv(ptr noundef nonnull %1)
  br label %6

6:                                                ; preds = %5, %2
  tail call void @lj_mem_free(ptr noundef %0, ptr noundef nonnull %1, i64 noundef 24)
  ret void
}

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

attributes #0 = { alwaysinline 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 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" }

!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, !9, i64 6}
!6 = !{!"GCupval", !7, i64 0, !9, i64 4, !9, i64 5, !9, i64 6, !9, i64 7, !9, i64 8, !11, i64 16, !8, i64 20}
!7 = !{!"GCRef", !8, i64 0}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"MRef", !8, i64 0}


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