; LLVM IR from pmwkaa/monotone :: monotone/engine/engine (worker_mgr)

; 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.WorkerMgr = type { i32, ptr }
%struct.Worker = type { %struct.Refresh, ptr, i32, ptr, %struct.Thread }
%struct.Refresh = type { ptr, ptr, ptr, ptr, ptr, ptr, %struct.Merger, ptr }
%struct.Merger = type { ptr, %struct.PartIterator, %struct.MemtableIterator, %struct.MergeIterator, %struct.Writer }
%struct.PartIterator = type { %struct.Iterator, %struct.RegionIterator, %struct.IndexIterator, ptr, ptr, %struct.Reader }
%struct.Iterator = type { ptr, ptr, ptr, ptr }
%struct.RegionIterator = type { %struct.Iterator, ptr, i32, ptr, ptr }
%struct.IndexIterator = type { ptr, ptr, ptr, i32 }
%struct.Reader = type { ptr, ptr, ptr, %struct.Buf, %struct.Buf, %struct.Buf }
%struct.Buf = type { ptr, ptr, ptr }
%struct.MemtableIterator = type { %struct.Iterator, ptr, ptr, i32, ptr, %struct.List }
%struct.List = type { ptr, ptr }
%struct.MergeIterator = type { %struct.Iterator, ptr, %struct.Buf, i32, ptr }
%struct.Writer = type { ptr, %struct.Iov, %struct.RegionWriter, %struct.IndexWriter, ptr, ptr, ptr }
%struct.Iov = type { %struct.Buf, i32, i32 }
%struct.RegionWriter = type { %struct.Buf, %struct.Buf, %struct.Buf, %struct.Buf, ptr, i32, ptr, ptr }
%struct.IndexWriter = type { i8, %struct.Buf, %struct.Buf, ptr, i32, %struct.Buf, ptr, ptr, i8, %struct.Index }
%struct.Index = type <{ i32, i32, i32, i32, %struct.Id, i32, i32, i64, i64, i64, i64, i32, i64, i64, i64, i32, i64, i8, i8, [4 x i32] }>
%struct.Id = type { i64, i64 }
%struct.Thread = type { i64, ptr, 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

; Function Attrs: nounwind uwtable
define dso_local void @worker_mgr_stop(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %24, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.WorkerMgr, ptr %6, i32 0, i32 0
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = icmp slt i32 %5, %8
  br i1 %9, label %11, label %10

10:                                               ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %27

11:                                               ; preds = %4
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.WorkerMgr, ptr %12, i32 0, i32 1
  %14 = load ptr, ptr %13, align 8, !tbaa !13
  %15 = load i32, ptr %3, align 4, !tbaa !9
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds %struct.Worker, ptr %14, i64 %16
  call void @worker_stop(ptr noundef %17)
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.WorkerMgr, ptr %18, i32 0, i32 1
  %20 = load ptr, ptr %19, align 8, !tbaa !13
  %21 = load i32, ptr %3, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds %struct.Worker, ptr %20, i64 %22
  call void @worker_free(ptr noundef %23)
  br label %24

24:                                               ; preds = %11
  %25 = load i32, ptr %3, align 4, !tbaa !9
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !14

27:                                               ; preds = %10
  %28 = load ptr, ptr %2, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.WorkerMgr, ptr %28, i32 0, i32 1
  %30 = load ptr, ptr %29, align 8, !tbaa !13
  call void @mn_free(ptr noundef %30)
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.WorkerMgr, ptr %31, i32 0, i32 1
  store ptr null, ptr %32, align 8, !tbaa !13
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.WorkerMgr, ptr %33, i32 0, i32 0
  store i32 0, ptr %34, align 8, !tbaa !11
  ret void
}

declare void @worker_stop(ptr noundef) #2

declare void @worker_free(ptr noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @mn_free(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 = { inlinehint 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 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"WorkerMgr", !10, i64 0, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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"

%struct.Worker = type { %struct.Refresh, ptr, i32, ptr, %struct.Thread }
%struct.Refresh = type { ptr, ptr, ptr, ptr, ptr, ptr, %struct.Merger, ptr }
%struct.Merger = type { ptr, %struct.PartIterator, %struct.MemtableIterator, %struct.MergeIterator, %struct.Writer }
%struct.PartIterator = type { %struct.Iterator, %struct.RegionIterator, %struct.IndexIterator, ptr, ptr, %struct.Reader }
%struct.Iterator = type { ptr, ptr, ptr, ptr }
%struct.RegionIterator = type { %struct.Iterator, ptr, i32, ptr, ptr }
%struct.IndexIterator = type { ptr, ptr, ptr, i32 }
%struct.Reader = type { ptr, ptr, ptr, %struct.Buf, %struct.Buf, %struct.Buf }
%struct.Buf = type { ptr, ptr, ptr }
%struct.MemtableIterator = type { %struct.Iterator, ptr, ptr, i32, ptr, %struct.List }
%struct.List = type { ptr, ptr }
%struct.MergeIterator = type { %struct.Iterator, ptr, %struct.Buf, i32, ptr }
%struct.Writer = type { ptr, %struct.Iov, %struct.RegionWriter, %struct.IndexWriter, ptr, ptr, ptr }
%struct.Iov = type { %struct.Buf, i32, i32 }
%struct.RegionWriter = type { %struct.Buf, %struct.Buf, %struct.Buf, %struct.Buf, ptr, i32, ptr, ptr }
%struct.IndexWriter = type { i8, %struct.Buf, %struct.Buf, ptr, i32, %struct.Buf, ptr, ptr, i8, %struct.Index }
%struct.Index = type <{ i32, i32, i32, i32, %struct.Id, i32, i32, i64, i64, i64, i64, i32, i64, i64, i64, i32, i64, i8, i8, [4 x i32] }>
%struct.Id = type { i64, i64 }
%struct.Thread = type { i64, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @worker_mgr_stop(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %2 = load i32, ptr %0, align 8, !tbaa !5
  %3 = icmp sgt i32 %2, 0
  br i1 %3, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  br label %7

._crit_edge:                                      ; preds = %7, %1
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load ptr, ptr %5, align 8, !tbaa !11
  tail call void @mn_free(ptr noundef %6)
  store ptr null, ptr %5, align 8, !tbaa !11
  store i32 0, ptr %0, align 8, !tbaa !5
  ret void

7:                                                ; preds = %.lr.ph, %7
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %7 ]
  %8 = load ptr, ptr %4, align 8, !tbaa !11
  %9 = getelementptr inbounds %struct.Worker, ptr %8, i64 %indvars.iv
  tail call void @worker_stop(ptr noundef %9) #3
  %10 = load ptr, ptr %4, align 8, !tbaa !11
  %11 = getelementptr inbounds %struct.Worker, ptr %10, i64 %indvars.iv
  tail call void @worker_free(ptr noundef %11) #3
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %12 = load i32, ptr %0, align 8, !tbaa !5
  %13 = sext i32 %12 to i64
  %14 = icmp slt i64 %indvars.iv.next, %13
  br i1 %14, label %7, label %._crit_edge, !llvm.loop !12
}

declare void @worker_stop(ptr noundef) local_unnamed_addr #1

declare void @worker_free(ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @mn_free(ptr noundef) local_unnamed_addr #2

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 = { "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 = { inlinehint 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, !7, i64 0}
!6 = !{!"WorkerMgr", !7, i64 0, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass