; LLVM IR from NVIDIA/TensorRT :: plugin/detectionLayerPlugin (detectionLayerPlugin)

; 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.nvinfer1::plugin::DetectionLayer" = type { %"class.nvinfer1::IPluginV2Ext", i32, i32, i32, float, float, i32, i32, %"class.std::shared_ptr", i32, %struct.RefineNMSParameters, %"class.std::__cxx11::basic_string" }
%"class.nvinfer1::IPluginV2Ext" = type { %"class.nvinfer1::IPluginV2" }
%"class.nvinfer1::IPluginV2" = type { ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%struct.RefineNMSParameters = type { i32, i32, i32, float, float }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@_ZTISt9exception = external constant ptr

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #2

; Function Attrs: nounwind memory(none)
declare i32 @llvm.eh.typeid.for.p0(ptr) #3

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #4

declare ptr @__cxa_begin_catch(ptr)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8nvinfer16plugin11caughtErrorERKSt9exception(ptr noundef nonnull align 8 dereferenceable(8)) #5

declare void @__cxa_end_catch()

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZNK8nvinfer16plugin14DetectionLayer5cloneEv(ptr noundef nonnull align 8 dereferenceable(112) %0) unnamed_addr #6 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #7
  %9 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 112) #8
          to label %10 unwind label %19

10:                                               ; preds = %1
  invoke void @_ZN8nvinfer16plugin14DetectionLayerC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(112) %9, ptr noundef nonnull align 8 dereferenceable(112) %8)
          to label %11 unwind label %23

11:                                               ; preds = %10
  store ptr %9, ptr %4, align 8, !tbaa !5
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %"class.nvinfer1::plugin::DetectionLayer", ptr %8, i32 0, i32 11
  %14 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %13) #7
  %15 = load ptr, ptr %12, align 8, !tbaa !9
  %16 = getelementptr inbounds ptr, ptr %15, i64 15
  %17 = load ptr, ptr %16, align 8
  call void %17(ptr noundef nonnull align 8 dereferenceable(112) %12, ptr noundef %14) #7
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %18, ptr %2, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  br label %39

19:                                               ; preds = %1
  %20 = landingpad { ptr, i32 }
          catch ptr @_ZTISt9exception
          catch ptr null
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %5, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %6, align 4
  br label %27

23:                                               ; preds = %10
  %24 = landingpad { ptr, i32 }
          catch ptr @_ZTISt9exception
          catch ptr null
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %5, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %9, i64 noundef 112) #9
  br label %27

27:                                               ; preds = %23, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  br label %28

28:                                               ; preds = %27
  %29 = load i32, ptr %6, align 4
  %30 = call i32 @llvm.eh.typeid.for.p0(ptr @_ZTISt9exception) #7
  %31 = icmp eq i32 %29, %30
  br i1 %31, label %32, label %44

32:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  %33 = load ptr, ptr %5, align 8
  %34 = call ptr @__cxa_begin_catch(ptr %33) #7
  store ptr %34, ptr %7, align 8
  %35 = load ptr, ptr %7, align 8, !tbaa !5
  invoke void @_ZN8nvinfer16plugin11caughtErrorERKSt9exception(ptr noundef nonnull align 8 dereferenceable(8) %35)
          to label %36 unwind label %41

36:                                               ; preds = %32
  invoke void @__cxa_end_catch()
          to label %37 unwind label %41

37:                                               ; preds = %36
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %38

38:                                               ; preds = %37
  store ptr null, ptr %2, align 8
  br label %39

39:                                               ; preds = %38, %11
  %40 = load ptr, ptr %2, align 8
  ret ptr %40

41:                                               ; preds = %36, %32
  %42 = landingpad { ptr, i32 }
          catch ptr null
  %43 = extractvalue { ptr, i32 } %42, 0
  call void @__clang_call_terminate(ptr %43) #10
  unreachable

44:                                               ; preds = %28
  %45 = load ptr, ptr %5, align 8
  call void @__clang_call_terminate(ptr %45) #10
  unreachable
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8nvinfer16plugin14DetectionLayerC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #6 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nobuiltin allocsize(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 = { nobuiltin 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 #3 = { nounwind memory(none) }
attributes #4 = { noinline noreturn nounwind uwtable "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 #5 = { inlinehint 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 #6 = { 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 #7 = { nounwind }
attributes #8 = { builtin allocsize(0) }
attributes #9 = { builtin nounwind }
attributes #10 = { noreturn 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 = !{!"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"

@_ZTISt9exception = external constant ptr

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #0

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: nofree nosync nounwind memory(none)
declare i32 @llvm.eh.typeid.for.p0(ptr) #2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #3

declare ptr @__cxa_begin_catch(ptr) local_unnamed_addr

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8nvinfer16plugin11caughtErrorERKSt9exception(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

declare void @__cxa_end_catch() local_unnamed_addr

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZNK8nvinfer16plugin14DetectionLayer5cloneEv(ptr noundef nonnull align 8 dereferenceable(112) %0) unnamed_addr #5 align 2 personality ptr @__gxx_personality_v0 {
  %2 = invoke noalias noundef nonnull dereferenceable(112) ptr @_Znwm(i64 noundef 112) #6
          to label %3 unwind label %10

3:                                                ; preds = %1
  invoke void @_ZN8nvinfer16plugin14DetectionLayerC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(112) %2, ptr noundef nonnull align 8 dereferenceable(112) %0)
          to label %4 unwind label %12

4:                                                ; preds = %3
  %5 = getelementptr inbounds i8, ptr %0, i64 80
  %6 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 120
  %9 = load ptr, ptr %8, align 8
  tail call void %9(ptr noundef nonnull align 8 dereferenceable(112) %2, ptr noundef %6) #7
  br label %20

10:                                               ; preds = %1
  %11 = landingpad { ptr, i32 }
          catch ptr @_ZTISt9exception
          catch ptr null
  br label %14

12:                                               ; preds = %3
  %13 = landingpad { ptr, i32 }
          catch ptr @_ZTISt9exception
          catch ptr null
  tail call void @_ZdlPvm(ptr noundef nonnull %2, i64 noundef 112) #8
  br label %14

14:                                               ; preds = %12, %10
  %.pn = phi { ptr, i32 } [ %13, %12 ], [ %11, %10 ]
  %.07 = extractvalue { ptr, i32 } %.pn, 1
  %.08 = extractvalue { ptr, i32 } %.pn, 0
  %15 = tail call i32 @llvm.eh.typeid.for.p0(ptr nonnull @_ZTISt9exception) #7
  %16 = icmp eq i32 %.07, %15
  br i1 %16, label %17, label %24

17:                                               ; preds = %14
  %18 = tail call ptr @__cxa_begin_catch(ptr %.08) #7
  invoke void @_ZN8nvinfer16plugin11caughtErrorERKSt9exception(ptr noundef nonnull align 8 dereferenceable(8) %18)
          to label %19 unwind label %21

19:                                               ; preds = %17
  invoke void @__cxa_end_catch()
          to label %20 unwind label %21

20:                                               ; preds = %19, %4
  %.0 = phi ptr [ %2, %4 ], [ null, %19 ]
  ret ptr %.0

21:                                               ; preds = %19, %17
  %22 = landingpad { ptr, i32 }
          catch ptr null
  %23 = extractvalue { ptr, i32 } %22, 0
  tail call void @__clang_call_terminate(ptr %23) #9
  unreachable

24:                                               ; preds = %14
  tail call void @__clang_call_terminate(ptr %.08) #9
  unreachable
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8nvinfer16plugin14DetectionLayerC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(112), ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #5 align 2

attributes #0 = { nobuiltin allocsize(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 = { nobuiltin 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 #2 = { nofree nosync nounwind memory(none) }
attributes #3 = { noinline noreturn nounwind uwtable "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 = { inlinehint 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 #5 = { 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 #6 = { builtin allocsize(0) }
attributes #7 = { nounwind }
attributes #8 = { builtin nounwind }
attributes #9 = { noreturn 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass