; LLVM IR from dennisss/tansa :: src/mocap/optitrack/natnet_client.ll (ZN5tansa9optitrack12NatNetClient12send_messageEPKc)

; 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.tansa::optitrack::NatNetPacket" = type { i16, i16, [100000 x i8] }

; 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 willreturn memory(read)
declare i64 @strlen(ptr noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5tansa9optitrack12NatNetClient11send_packetERKNS0_12NatNetPacketE(ptr noundef nonnull align 8 dereferenceable(168), ptr noundef nonnull align 1 dereferenceable(100004)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5tansa9optitrack12NatNetClient12send_messageEPKc(ptr noundef nonnull align 8 dereferenceable(168) %0, ptr noundef %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"struct.tansa::optitrack::NatNetPacket", align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 100004, ptr %5) #4
  %7 = getelementptr inbounds %"struct.tansa::optitrack::NatNetPacket", ptr %5, i32 0, i32 0
  store i16 2, ptr %7, align 1, !tbaa !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call i64 @strlen(ptr noundef %8) #5
  %10 = add i64 %9, 1
  %11 = trunc i64 %10 to i16
  %12 = getelementptr inbounds %"struct.tansa::optitrack::NatNetPacket", ptr %5, i32 0, i32 1
  store i16 %11, ptr %12, align 1, !tbaa !12
  %13 = getelementptr inbounds %"struct.tansa::optitrack::NatNetPacket", ptr %5, i32 0, i32 2
  %14 = getelementptr inbounds [100000 x i8], ptr %13, i64 0, i64 0
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = call ptr @strcpy(ptr noundef %14, ptr noundef %15) #4
  call void @_ZN5tansa9optitrack12NatNetClient11send_packetERKNS0_12NatNetPacketE(ptr noundef nonnull align 8 dereferenceable(168) %6, ptr noundef nonnull align 1 dereferenceable(100004) %5)
  call void @llvm.lifetime.end.p0(i64 100004, ptr %5) #4
  ret void
}

; Function Attrs: nounwind
declare ptr @strcpy(ptr noundef, ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind willreturn memory(read) "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 = { 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 #3 = { nounwind "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 }
attributes #5 = { nounwind willreturn memory(read) }

!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, !11, i64 0}
!10 = !{!"_ZTSN5tansa9optitrack12NatNetPacketE", !11, i64 0, !11, i64 2, !7, i64 4}
!11 = !{!"short", !7, i64 0}
!12 = !{!10, !11, i64 2}


; 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.tansa::optitrack::NatNetPacket" = type { i16, i16, [100000 x i8] }

; 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 nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5tansa9optitrack12NatNetClient11send_packetERKNS0_12NatNetPacketE(ptr noundef nonnull align 8 dereferenceable(168), ptr noundef nonnull align 1 dereferenceable(100004)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5tansa9optitrack12NatNetClient12send_messageEPKc(ptr noundef nonnull align 8 dereferenceable(168) %0, ptr nocapture noundef readonly %1) local_unnamed_addr #2 align 2 {
  %3 = alloca %"struct.tansa::optitrack::NatNetPacket", align 2
  call void @llvm.lifetime.start.p0(i64 100004, ptr nonnull %3) #4
  store i16 2, ptr %3, align 2, !tbaa !5
  %4 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %1) #5
  %5 = trunc i64 %4 to i16
  %6 = add i16 %5, 1
  %7 = getelementptr inbounds i8, ptr %3, i64 2
  store i16 %6, ptr %7, align 2, !tbaa !10
  %8 = getelementptr inbounds i8, ptr %3, i64 4
  %9 = call ptr @strcpy(ptr noundef nonnull dereferenceable(1) %8, ptr noundef nonnull dereferenceable(1) %1) #4
  call void @_ZN5tansa9optitrack12NatNetClient11send_packetERKNS0_12NatNetPacketE(ptr noundef nonnull align 8 dereferenceable(168) %0, ptr noundef nonnull align 1 dereferenceable(100004) %3)
  call void @llvm.lifetime.end.p0(i64 100004, ptr nonnull %3) #4
  ret void
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: readwrite)
declare ptr @strcpy(ptr noalias noundef returned writeonly, ptr noalias nocapture noundef readonly) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { 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 #3 = { mustprogress nofree nounwind willreturn memory(argmem: readwrite) "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 }
attributes #5 = { nounwind willreturn memory(read) }

!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 = !{!"_ZTSN5tansa9optitrack12NatNetPacketE", !7, i64 0, !7, i64 2, !8, i64 4}
!7 = !{!"short", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 2}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass