; LLVM IR from marcobambini/gravity :: src/compiler (gravity_symboltable)

; 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.symboltable_t = type { ptr, i16, i16, i16, i16, i32 }
%struct.ghash_r = type { i64, i64, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @gravity_hash_free(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @symboltable_exit_scope(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.symboltable_t, ptr %6, i32 0, i32 0
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = getelementptr inbounds %struct.ghash_r, ptr %8, i32 0, i32 0
  %10 = load i64, ptr %9, align 8, !tbaa !13
  %11 = icmp ne i64 %10, 0
  br i1 %11, label %12, label %26

12:                                               ; preds = %2
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.symboltable_t, ptr %13, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  %16 = getelementptr inbounds %struct.ghash_r, ptr %15, i32 0, i32 2
  %17 = load ptr, ptr %16, align 8, !tbaa !16
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.symboltable_t, ptr %18, i32 0, i32 0
  %20 = load ptr, ptr %19, align 8, !tbaa !9
  %21 = getelementptr inbounds %struct.ghash_r, ptr %20, i32 0, i32 0
  %22 = load i64, ptr %21, align 8, !tbaa !13
  %23 = add i64 %22, -1
  store i64 %23, ptr %21, align 8, !tbaa !13
  %24 = getelementptr inbounds ptr, ptr %17, i64 %23
  %25 = load ptr, ptr %24, align 8, !tbaa !5
  br label %27

26:                                               ; preds = %2
  br label %27

27:                                               ; preds = %26, %12
  %28 = phi ptr [ %25, %12 ], [ null, %26 ]
  store ptr %28, ptr %5, align 8, !tbaa !5
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = icmp ne ptr %29, null
  br i1 %30, label %31, label %35

31:                                               ; preds = %27
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 -1, ptr %32, align 4, !tbaa !17
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  call void @gravity_hash_iterate(ptr noundef %33, ptr noundef @check_upvalue_inscope, ptr noundef %34)
  br label %35

35:                                               ; preds = %31, %27
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  call void @gravity_hash_free(ptr noundef %36)
  %37 = load ptr, ptr %3, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.symboltable_t, ptr %37, i32 0, i32 1
  %39 = load i16, ptr %38, align 8, !tbaa !18
  %40 = zext i16 %39 to i32
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret i32 %40
}

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

; Function Attrs: nounwind uwtable
declare hidden void @check_upvalue_inscope(ptr noundef, ptr, i64, ptr, i64, ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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/C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"symboltable_t", !6, i64 0, !11, i64 8, !11, i64 10, !11, i64 12, !11, i64 14, !12, i64 16}
!11 = !{!"short", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !15, i64 0}
!14 = !{!"", !15, i64 0, !15, i64 8, !6, i64 16}
!15 = !{!"long", !7, i64 0}
!16 = !{!14, !6, i64 16}
!17 = !{!12, !12, i64 0}
!18 = !{!10, !11, i64 8}


; 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"

declare void @gravity_hash_free(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 65536) i32 @symboltable_exit_scope(ptr nocapture noundef readonly %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = load i64, ptr %3, align 8, !tbaa !12
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %11, label %5

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %3, i64 16
  %7 = load ptr, ptr %6, align 8, !tbaa !15
  %8 = add i64 %4, -1
  store i64 %8, ptr %3, align 8, !tbaa !12
  %9 = getelementptr inbounds ptr, ptr %7, i64 %8
  %10 = load ptr, ptr %9, align 8, !tbaa !16
  br label %11

11:                                               ; preds = %2, %5
  %12 = phi ptr [ %10, %5 ], [ null, %2 ]
  %.not10 = icmp eq ptr %1, null
  br i1 %.not10, label %14, label %13

13:                                               ; preds = %11
  store i32 -1, ptr %1, align 4, !tbaa !17
  tail call void @gravity_hash_iterate(ptr noundef %12, ptr noundef nonnull @check_upvalue_inscope, ptr noundef nonnull %1) #2
  br label %14

14:                                               ; preds = %13, %11
  tail call void @gravity_hash_free(ptr noundef %12) #2
  %15 = getelementptr inbounds i8, ptr %0, i64 8
  %16 = load i16, ptr %15, align 8, !tbaa !18
  %17 = zext i16 %16 to i32
  ret i32 %17
}

declare void @gravity_hash_iterate(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @check_upvalue_inscope(ptr noundef, ptr, i64, ptr, i64, ptr noundef) #1

attributes #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" }
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, !7, i64 0}
!6 = !{!"symboltable_t", !7, i64 0, !10, i64 8, !10, i64 10, !10, i64 12, !10, i64 14, !11, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!13, !14, i64 0}
!13 = !{!"", !14, i64 0, !14, i64 8, !7, i64 16}
!14 = !{!"long", !8, i64 0}
!15 = !{!13, !7, i64 16}
!16 = !{!7, !7, i64 0}
!17 = !{!11, !11, i64 0}
!18 = !{!6, !10, i64 8}


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