; LLVM IR from kdrag0n/fxdsp :: external/oboe/src/flowgraph (FlowGraphNode)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.oboe::flowgraph::FlowGraphNode" = type { ptr, i64, %"class.std::vector", i8, i8, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>, std::allocator<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>, std::allocator<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>, std::allocator<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>, std::allocator<std::reference_wrapper<oboe::flowgraph::FlowGraphPort>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(20) ptr @_ZNKSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEE3getEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; 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
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4oboe9flowgraph13FlowGraphNode9pullResetEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #3 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  %8 = getelementptr inbounds %"class.oboe::flowgraph::FlowGraphNode", ptr %7, i32 0, i32 4
  %9 = load i8, ptr %8, align 1, !tbaa !9, !range !18, !noundef !19
  %10 = trunc i8 %9 to i1
  br i1 %10, label %37, label %11

11:                                               ; preds = %1
  %12 = getelementptr inbounds %"class.oboe::flowgraph::FlowGraphNode", ptr %7, i32 0, i32 4
  store i8 1, ptr %12, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %13 = getelementptr inbounds %"class.oboe::flowgraph::FlowGraphNode", ptr %7, i32 0, i32 2
  store ptr %13, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = call ptr @_ZNSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #4
  %16 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %15, ptr %16, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = call ptr @_ZNSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #4
  %19 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %18, ptr %19, align 8
  br label %20

20:                                               ; preds = %30, %11
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %21, label %23, label %22

22:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %32

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  store ptr %24, ptr %6, align 8, !tbaa !5
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = call noundef nonnull align 8 dereferenceable(20) ptr @_ZNKSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %25) #4
  %27 = load ptr, ptr %26, align 8, !tbaa !20
  %28 = getelementptr inbounds ptr, ptr %27, i64 3
  %29 = load ptr, ptr %28, align 8
  call void %29(ptr noundef nonnull align 8 dereferenceable(20) %26)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %30

30:                                               ; preds = %23
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br label %20

32:                                               ; preds = %22
  %33 = getelementptr inbounds %"class.oboe::flowgraph::FlowGraphNode", ptr %7, i32 0, i32 4
  store i8 0, ptr %33, align 1, !tbaa !9
  %34 = load ptr, ptr %7, align 8, !tbaa !20
  %35 = getelementptr inbounds ptr, ptr %34, i64 3
  %36 = load ptr, ptr %35, align 8
  call void %36(ptr noundef nonnull align 8 dereferenceable(48) %7)
  br label %37

37:                                               ; preds = %32, %1
  ret void
}

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 = { inlinehint 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 #3 = { 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 #4 = { 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, !16, i64 41}
!10 = !{!"_ZTSN4oboe9flowgraph13FlowGraphNodeE", !11, i64 8, !12, i64 16, !16, i64 40, !16, i64 41, !17, i64 44}
!11 = !{!"long", !7, i64 0}
!12 = !{!"_ZTSSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!16 = !{!"bool", !7, i64 0}
!17 = !{!"int", !7, i64 0}
!18 = !{i8 0, i8 2}
!19 = !{}
!20 = !{!21, !21, i64 0}
!21 = !{!"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"

%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(20) ptr @_ZNKSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEE3getEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4oboe9flowgraph13FlowGraphNode9pullResetEv(ptr noundef nonnull align 8 dereferenceable(48) %0) local_unnamed_addr #3 align 2 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = getelementptr inbounds i8, ptr %0, i64 41
  %5 = load i8, ptr %4, align 1, !tbaa !5, !range !17, !noundef !18
  %6 = trunc nuw i8 %5 to i1
  br i1 %6, label %22, label %7

7:                                                ; preds = %1
  store i8 1, ptr %4, align 1, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %9 = tail call ptr @_ZNSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  store ptr %9, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %10 = tail call ptr @_ZNSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  store ptr %10, ptr %3, align 8
  %11 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  store i8 0, ptr %4, align 1, !tbaa !5
  %12 = load ptr, ptr %0, align 8, !tbaa !19
  %13 = getelementptr inbounds i8, ptr %12, i64 24
  %14 = load ptr, ptr %13, align 8
  call void %14(ptr noundef nonnull align 8 dereferenceable(48) %0)
  br label %22

.lr.ph:                                           ; preds = %7, %.lr.ph
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %16 = call noundef nonnull align 8 dereferenceable(20) ptr @_ZNKSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #4
  %17 = load ptr, ptr %16, align 8, !tbaa !19
  %18 = getelementptr inbounds i8, ptr %17, i64 24
  %19 = load ptr, ptr %18, align 8
  call void %19(ptr noundef nonnull align 8 dereferenceable(20) %16)
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #4
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESF_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  br i1 %21, label %.lr.ph, label %._crit_edge

22:                                               ; preds = %._crit_edge, %1
  ret void
}

attributes #0 = { mustprogress 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 = { inlinehint 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 #3 = { 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 #4 = { 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, !15, i64 41}
!6 = !{!"_ZTSN4oboe9flowgraph13FlowGraphNodeE", !7, i64 8, !10, i64 16, !15, i64 40, !15, i64 41, !16, i64 44}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseISt17reference_wrapperIN4oboe9flowgraph13FlowGraphPortEESaIS4_EE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!14 = !{!"any pointer", !8, i64 0}
!15 = !{!"bool", !8, i64 0}
!16 = !{!"int", !8, i64 0}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = !{!20, !20, i64 0}
!20 = !{!"vtable pointer", !9, i64 0}


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