; LLVM IR from ohler55/agoo :: ext/agoo (queue)

; 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._agooQueue = type { ptr, ptr, %struct._agooAtom, %struct._agooAtom, i8, i8, %struct._agooAtom, %struct._agooAtom, %struct._agooAtom, i32, i32 }
%struct._agooAtom = type { ptr, %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }

@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

declare i64 @write(i32 noundef, ptr noundef, i64 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @agoo_queue_wakeup(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct._agooQueue, ptr %3, i32 0, i32 10
  %5 = load i32, ptr %4, align 4, !tbaa !9
  %6 = icmp ne i32 0, %5
  br i1 %6, label %7, label %15

7:                                                ; preds = %1
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct._agooQueue, ptr %8, i32 0, i32 10
  %10 = load i32, ptr %9, align 4, !tbaa !9
  %11 = call i64 @write(i32 noundef %10, ptr noundef @.str.2, i64 noundef 1)
  %12 = icmp ne i64 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %7
  br label %14

14:                                               ; preds = %13, %7
  br label %15

15:                                               ; preds = %14, %1
  ret void
}

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" }

!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 268}
!10 = !{!"_agooQueue", !6, i64 0, !6, i64 8, !11, i64 16, !11, i64 64, !12, i64 112, !12, i64 113, !11, i64 120, !11, i64 168, !11, i64 216, !13, i64 264, !13, i64 268}
!11 = !{!"_agooAtom", !6, i64 0, !7, i64 8}
!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"

@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nofree
declare noundef i64 @write(i32 noundef, ptr nocapture noundef readonly, i64 noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind uwtable
define dso_local void @agoo_queue_wakeup(ptr nocapture noundef readonly %0) local_unnamed_addr #1 {
  %2 = getelementptr inbounds i8, ptr %0, i64 268
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %6, label %4

4:                                                ; preds = %1
  %5 = tail call i64 @write(i32 noundef %3, ptr noundef nonnull @.str.2, i64 noundef 1) #2
  br label %6

6:                                                ; preds = %4, %1
  ret void
}

attributes #0 = { nofree "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 = { nofree 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, !12, i64 268}
!6 = !{!"_agooQueue", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 64, !11, i64 112, !11, i64 113, !10, i64 120, !10, i64 168, !10, i64 216, !12, i64 264, !12, i64 268}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"_agooAtom", !7, i64 0, !8, i64 8}
!11 = !{!"_Bool", !8, i64 0}
!12 = !{!"int", !8, i64 0}


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