; LLVM IR from kmilo17pet/QuarkTS-cpp :: src/fsm.ll (ZN3qOS2sm5state9subscribeEPS1_RKPFNS0_6statusERNS0_12stateHandlerEES2_)

; 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::state" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i64, i64, 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: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN3qOS2sm5state9subscribeEPS1_RKPFNS0_6statusERNS0_12stateHandlerEES2_(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef %3) #1 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i8, align 1
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #2
  store i8 0, ptr %9, align 1, !tbaa !9
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = icmp ne ptr %11, %10
  br i1 %12, label %13, label %37

13:                                               ; preds = %4
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = icmp ne ptr %14, %10
  br i1 %15, label %16, label %37

16:                                               ; preds = %13
  %17 = load ptr, ptr %8, align 8, !tbaa !5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = getelementptr inbounds %"class.qOS::sm::state", ptr %18, i32 0, i32 2
  store ptr %17, ptr %19, align 8, !tbaa !11
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds %"class.qOS::sm::state", ptr %21, i32 0, i32 3
  store ptr %20, ptr %22, align 8, !tbaa !14
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = load ptr, ptr %23, align 8, !tbaa !5
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = getelementptr inbounds %"class.qOS::sm::state", ptr %25, i32 0, i32 4
  store ptr %24, ptr %26, align 8, !tbaa !15
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = getelementptr inbounds %"class.qOS::sm::state", ptr %27, i32 0, i32 1
  store ptr %10, ptr %28, align 8, !tbaa !16
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = getelementptr inbounds %"class.qOS::sm::state", ptr %29, i32 0, i32 6
  store ptr null, ptr %30, align 8, !tbaa !17
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  %32 = getelementptr inbounds %"class.qOS::sm::state", ptr %31, i32 0, i32 8
  store i64 0, ptr %32, align 8, !tbaa !18
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  %34 = getelementptr inbounds %"class.qOS::sm::state", ptr %33, i32 0, i32 5
  store ptr null, ptr %34, align 8, !tbaa !19
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = getelementptr inbounds %"class.qOS::sm::state", ptr %35, i32 0, i32 9
  store i64 0, ptr %36, align 8, !tbaa !20
  store i8 1, ptr %9, align 1, !tbaa !9
  br label %37

37:                                               ; preds = %16, %13, %4
  %38 = load i8, ptr %9, align 1, !tbaa !9, !range !21, !noundef !22
  %39 = trunc i8 %38 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #2
  ret i1 %39
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{!"bool", !7, i64 0}
!11 = !{!12, !6, i64 16}
!12 = !{!"_ZTSN3qOS2sm5stateE", !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !13, i64 64, !13, i64 72, !6, i64 80}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !6, i64 24}
!15 = !{!12, !6, i64 32}
!16 = !{!12, !6, i64 8}
!17 = !{!12, !6, i64 48}
!18 = !{!12, !13, i64 64}
!19 = !{!12, !6, i64 40}
!20 = !{!12, !13, i64 72}
!21 = !{i8 0, i8 2}
!22 = !{}


; 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: readwrite) uwtable
define dso_local noundef zeroext i1 @_ZN3qOS2sm5state9subscribeEPS1_RKPFNS0_6statusERNS0_12stateHandlerEES2_(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef writeonly %1, ptr nocapture noundef nonnull readonly align 8 dereferenceable(8) %2, ptr noundef %3) local_unnamed_addr #0 align 2 {
  %5 = icmp ne ptr %1, %0
  %6 = icmp ne ptr %3, %0
  %or.cond = and i1 %5, %6
  br i1 %or.cond, label %7, label %15

7:                                                ; preds = %4
  %8 = getelementptr inbounds i8, ptr %1, i64 16
  store ptr %3, ptr %8, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %1, i64 24
  store ptr %3, ptr %9, align 8, !tbaa !11
  %10 = load ptr, ptr %2, align 8, !tbaa !12
  %11 = getelementptr inbounds i8, ptr %1, i64 32
  store ptr %10, ptr %11, align 8, !tbaa !13
  %12 = getelementptr inbounds i8, ptr %1, i64 8
  store ptr %0, ptr %12, align 8, !tbaa !14
  %13 = getelementptr inbounds i8, ptr %1, i64 64
  %14 = getelementptr inbounds i8, ptr %1, i64 40
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %14, i8 0, i64 16, i1 false)
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %13, i8 0, i64 16, i1 false)
  br label %15

15:                                               ; preds = %7, %4
  ret i1 %or.cond
}

; 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: readwrite) 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, !7, i64 16}
!6 = !{!"_ZTSN3qOS2sm5stateE", !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !10, i64 64, !10, i64 72, !7, i64 80}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !7, i64 24}
!12 = !{!7, !7, i64 0}
!13 = !{!6, !7, i64 32}
!14 = !{!6, !7, i64 8}


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