; LLVM IR from yinqiwen/ardb :: src/common/channel/signal (soft_signal_channel)

; 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

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN4ardb17SoftSignalChannel14FireSoftSignalEjj(ptr noundef nonnull align 8 dereferenceable(344) %0, i32 noundef %1, i32 noundef %2) #1 align 2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %11 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %12 = load i32, ptr %7, align 4, !tbaa !9
  %13 = zext i32 %12 to i64
  store i64 %13, ptr %8, align 8, !tbaa !11
  %14 = load i64, ptr %8, align 8, !tbaa !11
  %15 = shl i64 %14, 32
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = zext i32 %16 to i64
  %18 = add i64 %15, %17
  store i64 %18, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %19 = load ptr, ptr %11, align 8, !tbaa !13
  %20 = getelementptr inbounds ptr, ptr %19, i64 15
  %21 = load ptr, ptr %20, align 8
  %22 = call noundef i32 %21(ptr noundef nonnull align 8 dereferenceable(264) %11)
  %23 = call i64 @write(i32 noundef %22, ptr noundef %8, i64 noundef 8)
  %24 = trunc i64 %23 to i32
  store i32 %24, ptr %9, align 4, !tbaa !9
  %25 = load i32, ptr %9, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = icmp ne i64 %26, 8
  br i1 %27, label %28, label %29

28:                                               ; preds = %3
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %31

29:                                               ; preds = %3
  %30 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %30, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %31

31:                                               ; preds = %29, %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %32 = load i32, ptr %4, align 4
  ret i32 %32
}

declare i64 @write(i32 noundef, ptr noundef, i64 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { 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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, 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"

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN4ardb17SoftSignalChannel14FireSoftSignalEjj(ptr noundef nonnull align 8 dereferenceable(344) %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 align 2 {
  %4 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %5 = zext i32 %2 to i64
  %6 = shl nuw i64 %5, 32
  %7 = zext i32 %1 to i64
  %8 = or disjoint i64 %6, %7
  store i64 %8, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %0, align 8, !tbaa !9
  %10 = getelementptr inbounds i8, ptr %9, i64 120
  %11 = load ptr, ptr %10, align 8
  %12 = tail call noundef i32 %11(ptr noundef nonnull align 8 dereferenceable(264) %0)
  %13 = call i64 @write(i32 noundef %12, ptr noundef nonnull %4, i64 noundef 8)
  %sext.mask = and i64 %13, 4294967295
  %.not = icmp eq i64 %sext.mask, 8
  %.0 = select i1 %.not, i32 8, i32 -1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  ret i32 %.0
}

; Function Attrs: nofree
declare noundef i64 @write(i32 noundef, ptr nocapture noundef readonly, i64 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { 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 #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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}


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