; LLVM IR from kmilo17pet/QuarkTS-cpp :: src/fsm.ll (ZN3qOS2sm15signalPublisher14unsubscribeAllEv)

; 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"

%"class.qOS::sm::signalPublisher" = type { ptr, [8 x i32], [8 x [4 x ptr]] }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN3qOS2sm15signalPublisher14unsubscribeAllEv(ptr noundef nonnull align 8 dereferenceable(296) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #2
  store i64 0, ptr %3, align 8, !tbaa !9
  br label %7

7:                                                ; preds = %29, %1
  %8 = load i64, ptr %3, align 8, !tbaa !9
  %9 = icmp ult i64 %8, 8
  br i1 %9, label %11, label %10

10:                                               ; preds = %7
  store i32 2, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #2
  br label %32

11:                                               ; preds = %7
  %12 = getelementptr inbounds %"class.qOS::sm::signalPublisher", ptr %6, i32 0, i32 1
  %13 = load i64, ptr %3, align 8, !tbaa !9
  %14 = getelementptr inbounds [8 x i32], ptr %12, i64 0, i64 %13
  store i32 -4, ptr %14, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  store i64 0, ptr %5, align 8, !tbaa !9
  br label %15

15:                                               ; preds = %25, %11
  %16 = load i64, ptr %5, align 8, !tbaa !9
  %17 = icmp ult i64 %16, 4
  br i1 %17, label %19, label %18

18:                                               ; preds = %15
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  br label %28

19:                                               ; preds = %15
  %20 = getelementptr inbounds %"class.qOS::sm::signalPublisher", ptr %6, i32 0, i32 2
  %21 = load i64, ptr %3, align 8, !tbaa !9
  %22 = getelementptr inbounds [8 x [4 x ptr]], ptr %20, i64 0, i64 %21
  %23 = load i64, ptr %5, align 8, !tbaa !9
  %24 = getelementptr inbounds [4 x ptr], ptr %22, i64 0, i64 %23
  store ptr null, ptr %24, align 8, !tbaa !5
  br label %25

25:                                               ; preds = %19
  %26 = load i64, ptr %5, align 8, !tbaa !9
  %27 = add i64 %26, 1
  store i64 %27, ptr %5, align 8, !tbaa !9
  br label %15, !llvm.loop !13

28:                                               ; preds = %18
  br label %29

29:                                               ; preds = %28
  %30 = load i64, ptr %3, align 8, !tbaa !9
  %31 = add i64 %30, 1
  store i64 %31, ptr %3, align 8, !tbaa !9
  br label %7, !llvm.loop !15

32:                                               ; preds = %10
  ret void
}

; 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

attributes #0 = { mustprogress 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 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"_ZTSN3qOS2sm8signalIDE", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @_ZN3qOS2sm15signalPublisher14unsubscribeAllEv(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(296) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %scevgep = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %scevgep, i8 0, i64 32, i1 false), !tbaa !5
  %scevgep.1 = getelementptr inbounds i8, ptr %0, i64 72
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %scevgep.1, i8 0, i64 32, i1 false), !tbaa !5
  %scevgep.2 = getelementptr inbounds i8, ptr %0, i64 104
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %scevgep.2, i8 0, i64 32, i1 false), !tbaa !5
  %scevgep.3 = getelementptr inbounds i8, ptr %0, i64 136
  store <4 x i32> <i32 -4, i32 -4, i32 -4, i32 -4>, ptr %2, align 8, !tbaa !9
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %scevgep.3, i8 0, i64 32, i1 false), !tbaa !5
  %scevgep.4 = getelementptr inbounds i8, ptr %0, i64 168
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %scevgep.4, i8 0, i64 32, i1 false), !tbaa !5
  %scevgep.5 = getelementptr inbounds i8, ptr %0, i64 200
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %scevgep.5, i8 0, i64 32, i1 false), !tbaa !5
  %scevgep.6 = getelementptr inbounds i8, ptr %0, i64 232
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %scevgep.6, i8 0, i64 32, i1 false), !tbaa !5
  %scevgep.7 = getelementptr inbounds i8, ptr %0, i64 264
  store <4 x i32> <i32 -4, i32 -4, i32 -4, i32 -4>, ptr %3, align 8, !tbaa !9
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %scevgep.7, i8 0, i64 32, i1 false), !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 nounwind willreturn memory(argmem: write) }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"_ZTSN3qOS2sm8signalIDE", !7, i64 0}


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopIdiomRecognizePass,LoopRotatePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass