; LLVM IR from brewlin/garbage-collect :: mark-sweep (test)

; 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"

@.str.1 = external hidden unnamed_addr constant [40 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [75 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [51 x i8], align 1
@__PRETTY_FUNCTION__.test_large_gc = external hidden unnamed_addr constant [21 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [40 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @clear() #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @printf(ptr noundef, ...) #2

declare ptr @gc_malloc(i64 noundef) #2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #3

declare void @add_roots(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @test_large_gc() #0 {
  %1 = alloca ptr, align 8
  %2 = alloca ptr, align 8
  %3 = call i32 (ptr, ...) @printf(ptr noundef @.str.7)
  %4 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #4
  %5 = call ptr @gc_malloc(i64 noundef 4096)
  store ptr %5, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #4
  %6 = call ptr @gc_malloc(i64 noundef 4096)
  store ptr %6, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %1, align 8, !tbaa !5
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = icmp eq ptr %7, %8
  br i1 %9, label %10, label %11

10:                                               ; preds = %0
  br label %12

11:                                               ; preds = %0
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.3, i32 noundef 69, ptr noundef @__PRETTY_FUNCTION__.test_large_gc) #5
  unreachable

12:                                               ; preds = %10
  %13 = call i32 @clear()
  %14 = call ptr @gc_malloc(i64 noundef 4096)
  store ptr %14, ptr %1, align 8, !tbaa !5
  call void @add_roots(ptr noundef %1)
  %15 = call ptr @gc_malloc(i64 noundef 4096)
  store ptr %15, ptr %2, align 8, !tbaa !5
  %16 = load ptr, ptr %1, align 8, !tbaa !5
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = icmp ne ptr %16, %17
  br i1 %18, label %19, label %20

19:                                               ; preds = %12
  br label %21

20:                                               ; preds = %12
  call void @__assert_fail(ptr noundef @.str.4, ptr noundef @.str.3, i32 noundef 78, ptr noundef @__PRETTY_FUNCTION__.test_large_gc) #5
  unreachable

21:                                               ; preds = %19
  %22 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  %23 = call i32 @clear()
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #4
  ret void
}

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #4 = { nounwind }
attributes #5 = { 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/C++ TBAA"}


; 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 [40 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [75 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [51 x i8], align 1
@__PRETTY_FUNCTION__.test_large_gc = external hidden unnamed_addr constant [21 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [40 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @clear() local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

declare ptr @gc_malloc(i64 noundef) local_unnamed_addr #3

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #4

declare void @add_roots(ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local void @test_large_gc() local_unnamed_addr #0 {
  %1 = alloca ptr, align 8
  %2 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7)
  %3 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %4 = tail call ptr @gc_malloc(i64 noundef 4096) #5
  %5 = tail call ptr @gc_malloc(i64 noundef 4096) #5
  %6 = icmp eq ptr %4, %5
  br i1 %6, label %8, label %7

7:                                                ; preds = %0
  tail call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.3, i32 noundef 69, ptr noundef nonnull @__PRETTY_FUNCTION__.test_large_gc) #6
  unreachable

8:                                                ; preds = %0
  %9 = tail call i32 @clear()
  %10 = tail call ptr @gc_malloc(i64 noundef 4096) #5
  store ptr %10, ptr %1, align 8, !tbaa !5
  call void @add_roots(ptr noundef nonnull %1) #5
  %11 = call ptr @gc_malloc(i64 noundef 4096) #5
  %12 = load ptr, ptr %1, align 8, !tbaa !5
  %.not = icmp eq ptr %12, %11
  br i1 %.not, label %13, label %14

13:                                               ; preds = %8
  call void @__assert_fail(ptr noundef nonnull @.str.4, ptr noundef nonnull @.str.3, i32 noundef 78, ptr noundef nonnull @__PRETTY_FUNCTION__.test_large_gc) #6
  unreachable

14:                                               ; preds = %8
  %15 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  %16 = call i32 @clear()
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret void
}

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree 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 = { "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 "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/C++ TBAA"}


; Effective O3 passes: DSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass