; LLVM IR from seppo0010/rlite :: src (pubsub)

; 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"

; 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 i32 @rl_select_internal(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @rl_pubsub_numsub(ptr noundef %0, i32 noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #2 {
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  store ptr %4, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call i32 @rl_select_internal(ptr noundef %13, i32 noundef 3)
  store i32 %14, ptr %12, align 4, !tbaa !9
  %15 = load i32, ptr %12, align 4, !tbaa !9
  %16 = icmp ne i32 0, %15
  br i1 %16, label %17, label %18

17:                                               ; preds = %5
  br label %55

18:                                               ; preds = %5
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %51, %18
  %20 = load i32, ptr %11, align 4, !tbaa !9
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %23, label %54

23:                                               ; preds = %19
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = load i32, ptr %11, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds i64, ptr %24, i64 %26
  store i64 0, ptr %27, align 8, !tbaa !11
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load ptr, ptr %8, align 8, !tbaa !5
  %30 = load i32, ptr %11, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds ptr, ptr %29, i64 %31
  %33 = load ptr, ptr %32, align 8, !tbaa !5
  %34 = load ptr, ptr %9, align 8, !tbaa !5
  %35 = load i32, ptr %11, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds i64, ptr %34, i64 %36
  %38 = load i64, ptr %37, align 8, !tbaa !11
  %39 = load ptr, ptr %10, align 8, !tbaa !5
  %40 = load i32, ptr %11, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds i64, ptr %39, i64 %41
  %43 = call i32 @rl_scard(ptr noundef %28, ptr noundef %33, i64 noundef %38, ptr noundef %42)
  store i32 %43, ptr %12, align 4, !tbaa !9
  %44 = load i32, ptr %12, align 4, !tbaa !9
  %45 = icmp ne i32 0, %44
  br i1 %45, label %46, label %50

46:                                               ; preds = %23
  %47 = load i32, ptr %12, align 4, !tbaa !9
  %48 = icmp ne i32 3, %47
  br i1 %48, label %49, label %50

49:                                               ; preds = %46
  br label %55

50:                                               ; preds = %46, %23
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %11, align 4, !tbaa !9
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %11, align 4, !tbaa !9
  br label %19, !llvm.loop !13

54:                                               ; preds = %19
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %55

55:                                               ; preds = %54, %49, %17
  %56 = load ptr, ptr %6, align 8, !tbaa !5
  %57 = call i32 @rl_select_internal(ptr noundef %56, i32 noundef 0)
  %58 = load i32, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  ret i32 %58
}

declare i32 @rl_scard(ptr noundef, ptr noundef, i64 noundef, ptr noundef) #1

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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

declare i32 @rl_select_internal(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @rl_pubsub_numsub(ptr noundef %0, i32 noundef %1, ptr nocapture noundef readonly %2, ptr nocapture noundef readonly %3, ptr noundef %4) local_unnamed_addr #1 {
  %6 = tail call i32 @rl_select_internal(ptr noundef %0, i32 noundef 3) #2
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %5
  %7 = icmp sgt i32 %1, 0
  br i1 %7, label %.lr.ph.preheader, label %.loopexit

.lr.ph.preheader:                                 ; preds = %.preheader
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %14
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %14 ]
  %8 = getelementptr inbounds i64, ptr %4, i64 %indvars.iv
  store i64 0, ptr %8, align 8, !tbaa !5
  %9 = getelementptr inbounds ptr, ptr %2, i64 %indvars.iv
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = getelementptr inbounds i64, ptr %3, i64 %indvars.iv
  %12 = load i64, ptr %11, align 8, !tbaa !5
  %13 = tail call i32 @rl_scard(ptr noundef %0, ptr noundef %10, i64 noundef %12, ptr noundef nonnull %8) #2
  switch i32 %13, label %.loopexit [
    i32 3, label %14
    i32 0, label %14
  ]

14:                                               ; preds = %.lr.ph, %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph, !llvm.loop !11

.loopexit:                                        ; preds = %.lr.ph, %14, %.preheader, %5
  %.0 = phi i32 [ %6, %5 ], [ 0, %.preheader ], [ %13, %.lr.ph ], [ 0, %14 ]
  %15 = tail call i32 @rl_select_internal(ptr noundef %0, i32 noundef 0) #2
  ret i32 %.0
}

declare i32 @rl_scard(ptr noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

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


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