; LLVM IR from adventure-db/adventure :: tests/struct (list_tests)

; 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.list = type { i64, ptr, ptr }
%struct.listelem = type { ptr, ptr, ptr }

@test2 = external dso_local global ptr, align 8
@list = external hidden global ptr, align 8
@stderr = external global ptr, align 8
@.str.4 = external hidden unnamed_addr constant [82 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [22 x i8], align 1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #0

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #1

; Function Attrs: nounwind
declare ptr @strerror(i32 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @test_remove() #3 {
  %1 = alloca ptr, align 8
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %4 = load ptr, ptr @list, align 8, !tbaa !5
  %5 = load ptr, ptr @list, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.list, ptr %5, i32 0, i32 1
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = getelementptr inbounds %struct.listelem, ptr %7, i32 0, i32 1
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %10 = call ptr @list_remove(ptr noundef %4, ptr noundef %9)
  store ptr %10, ptr %2, align 8, !tbaa !5
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = load ptr, ptr @test2, align 8, !tbaa !5
  %13 = icmp eq ptr %11, %12
  br i1 %13, label %27, label %14

14:                                               ; preds = %0
  %15 = load ptr, ptr @stderr, align 8, !tbaa !5
  %16 = call ptr @__errno_location() #6
  %17 = load i32, ptr %16, align 4, !tbaa !14
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %14
  br label %24

20:                                               ; preds = %14
  %21 = call ptr @__errno_location() #6
  %22 = load i32, ptr %21, align 4, !tbaa !14
  %23 = call ptr @strerror(i32 noundef %22) #5
  br label %24

24:                                               ; preds = %20, %19
  %25 = phi ptr [ @.str.5, %19 ], [ %23, %20 ]
  %26 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %15, ptr noundef @.str.17, ptr noundef @.str.4, i32 noundef 76, ptr noundef %25) #5
  store ptr @.str.18, ptr %1, align 8
  store i32 1, ptr %3, align 4
  br label %28

27:                                               ; preds = %0
  store ptr null, ptr %1, align 8
  store i32 1, ptr %3, align 4
  br label %28

28:                                               ; preds = %27, %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %29 = load ptr, ptr %1, align 8
  ret ptr %29
}

declare ptr @list_remove(ptr noundef, ptr noundef) #4

attributes #0 = { 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 #1 = { nounwind willreturn memory(none) "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { "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 = { nounwind willreturn memory(none) }

!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 8}
!10 = !{!"list", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"long", !7, i64 0}
!12 = !{!13, !6, i64 8}
!13 = !{!"listelem", !6, i64 0, !6, i64 8, !6, i64 16}
!14 = !{!15, !15, i64 0}
!15 = !{!"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"

@test2 = external dso_local local_unnamed_addr global ptr, align 8
@list = external hidden local_unnamed_addr global ptr, align 8
@stderr = external local_unnamed_addr global ptr, align 8
@.str.4 = external hidden unnamed_addr constant [82 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.17 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.18 = external hidden unnamed_addr constant [22 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #1

; Function Attrs: nounwind
declare ptr @strerror(i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @test_remove() local_unnamed_addr #3 {
  %1 = load ptr, ptr @list, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %1, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !9
  %4 = getelementptr inbounds i8, ptr %3, i64 8
  %5 = load ptr, ptr %4, align 8, !tbaa !12
  %6 = tail call ptr @list_remove(ptr noundef %1, ptr noundef %5) #5
  %7 = load ptr, ptr @test2, align 8, !tbaa !5
  %8 = icmp eq ptr %6, %7
  br i1 %8, label %19, label %9

9:                                                ; preds = %0
  %10 = load ptr, ptr @stderr, align 8, !tbaa !5
  %11 = tail call ptr @__errno_location() #6
  %12 = load i32, ptr %11, align 4, !tbaa !14
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %16, label %14

14:                                               ; preds = %9
  %15 = tail call ptr @strerror(i32 noundef %12) #5
  br label %16

16:                                               ; preds = %9, %14
  %17 = phi ptr [ %15, %14 ], [ @.str.5, %9 ]
  %18 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %10, ptr noundef nonnull @.str.17, ptr noundef nonnull @.str.4, i32 noundef 76, ptr noundef %17) #7
  br label %19

19:                                               ; preds = %0, %16
  %.0 = phi ptr [ @.str.18, %16 ], [ null, %0 ]
  ret ptr %.0
}

declare ptr @list_remove(ptr noundef, ptr noundef) local_unnamed_addr #4

attributes #0 = { 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 #1 = { mustprogress nofree nosync nounwind willreturn memory(none) "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 = { 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 = { "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 = { nounwind willreturn memory(none) }
attributes #7 = { cold 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 8}
!10 = !{!"list", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"long", !7, i64 0}
!12 = !{!13, !6, i64 8}
!13 = !{!"listelem", !6, i64 0, !6, i64 8, !6, i64 16}
!14 = !{!15, !15, i64 0}
!15 = !{!"int", !7, i64 0}


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