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

; 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.nvinfer1::plugin::EfficientNMSParameters" = type { float, float, i32, i32, i8, i32, i8, i8, i32, i8, i32, i32, i8, i32, i32, i32, i32, i32, i8, i8, i8, i32 }
%"class.nvinfer1::plugin::EfficientNMSPlugin" = type { %"class.nvinfer1::IPluginV2DynamicExt", %"struct.nvinfer1::plugin::EfficientNMSParameters", i8, %"class.std::__cxx11::basic_string" }
%"class.nvinfer1::IPluginV2DynamicExt" = type { %"class.nvinfer1::IPluginV2Ext" }
%"class.nvinfer1::IPluginV2Ext" = type { %"class.nvinfer1::IPluginV2" }
%"class.nvinfer1::IPluginV2" = type { ptr }
%"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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #2

declare ptr @__cxa_begin_catch(ptr)

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

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

declare void @__cxa_end_catch()

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

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZNK8nvinfer16plugin18EfficientNMSPlugin5cloneEv(ptr noundef nonnull align 8 dereferenceable(120) %0) unnamed_addr #5 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 %"struct.nvinfer1::plugin::EfficientNMSParameters", align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #8
  %10 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 120) #9
          to label %11 unwind label %21

11:                                               ; preds = %1
  %12 = getelementptr inbounds %"class.nvinfer1::plugin::EfficientNMSPlugin", ptr %9, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 8 %12, i64 76, i1 false), !tbaa.struct !9
  invoke void @_ZN8nvinfer16plugin18EfficientNMSPluginC1ENS0_22EfficientNMSParametersE(ptr noundef nonnull align 8 dereferenceable(120) %10, ptr noundef byval(%"struct.nvinfer1::plugin::EfficientNMSParameters") align 8 %7)
          to label %13 unwind label %25

13:                                               ; preds = %11
  store ptr %10, ptr %4, align 8, !tbaa !5
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %"class.nvinfer1::plugin::EfficientNMSPlugin", ptr %9, i32 0, i32 3
  %16 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %15) #8
  %17 = load ptr, ptr %14, align 8, !tbaa !18
  %18 = getelementptr inbounds ptr, ptr %17, i64 15
  %19 = load ptr, ptr %18, align 8
  call void %19(ptr noundef nonnull align 8 dereferenceable(120) %14, ptr noundef %16) #8
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %20, ptr %2, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #8
  br label %41

21:                                               ; preds = %1
  %22 = landingpad { ptr, i32 }
          catch ptr @_ZTISt9exception
          catch ptr null
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %5, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %6, align 4
  br label %29

25:                                               ; preds = %11
  %26 = landingpad { ptr, i32 }
          catch ptr @_ZTISt9exception
          catch ptr null
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %5, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %10, i64 noundef 120) #10
  br label %29

29:                                               ; preds = %25, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #8
  br label %30

30:                                               ; preds = %29
  %31 = load i32, ptr %6, align 4
  %32 = call i32 @llvm.eh.typeid.for.p0(ptr @_ZTISt9exception) #8
  %33 = icmp eq i32 %31, %32
  br i1 %33, label %34, label %46

34:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #8
  %35 = load ptr, ptr %5, align 8
  %36 = call ptr @__cxa_begin_catch(ptr %35) #8
  store ptr %36, ptr %8, align 8
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  invoke void @_ZN8nvinfer16plugin11caughtErrorERKSt9exception(ptr noundef nonnull align 8 dereferenceable(8) %37)
          to label %38 unwind label %43

38:                                               ; preds = %34
  invoke void @__cxa_end_catch()
          to label %39 unwind label %43

39:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #8
  br label %40

40:                                               ; preds = %39
  store ptr null, ptr %2, align 8
  br label %41

41:                                               ; preds = %40, %13
  %42 = load ptr, ptr %2, align 8
  ret ptr %42

43:                                               ; preds = %38, %34
  %44 = landingpad { ptr, i32 }
          catch ptr null
  %45 = extractvalue { ptr, i32 } %44, 0
  call void @__clang_call_terminate(ptr %45) #11
  unreachable

46:                                               ; preds = %30
  %47 = load ptr, ptr %5, align 8
  call void @__clang_call_terminate(ptr %47) #11
  unreachable
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #6

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #7

declare void @_ZN8nvinfer16plugin18EfficientNMSPluginC1ENS0_22EfficientNMSParametersE(ptr, ptr)

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nounwind memory(none) }
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 = { 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 #7 = { 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 #8 = { nounwind }
attributes #9 = { builtin allocsize(0) }
attributes #10 = { builtin nounwind }
attributes #11 = { 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 = !{i64 0, i64 4, !10, i64 4, i64 4, !10, i64 8, i64 4, !12, i64 12, i64 4, !12, i64 16, i64 1, !14, i64 20, i64 4, !12, i64 24, i64 1, !14, i64 25, i64 1, !14, i64 28, i64 4, !12, i64 32, i64 1, !14, i64 36, i64 4, !12, i64 40, i64 4, !12, i64 44, i64 1, !14, i64 48, i64 4, !12, i64 52, i64 4, !12, i64 56, i64 4, !12, i64 60, i64 4, !12, i64 64, i64 4, !12, i64 68, i64 1, !14, i64 69, i64 1, !14, i64 70, i64 1, !14, i64 72, i64 4, !16}
!10 = !{!11, !11, i64 0}
!11 = !{!"float", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"bool", !7, i64 0}
!16 = !{!17, !17, i64 0}
!17 = !{!"_ZTSN8nvinfer18DataTypeE", !7, i64 0}
!18 = !{!19, !19, i64 0}
!19 = !{!"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"

%"struct.nvinfer1::plugin::EfficientNMSParameters" = type { float, float, i32, i32, i8, i32, i8, i8, i32, i8, i32, i32, i8, i32, i32, i32, i32, i32, i8, i8, i8, i32 }

@_ZTISt9exception = external constant ptr

declare i32 @__gxx_personality_v0(...)

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #0

declare ptr @__cxa_begin_catch(ptr) local_unnamed_addr

; Function Attrs: nofree nosync nounwind memory(none)
declare i32 @llvm.eh.typeid.for.p0(ptr) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8nvinfer16plugin11caughtErrorERKSt9exception(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

declare void @__cxa_end_catch() local_unnamed_addr

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZNK8nvinfer16plugin18EfficientNMSPlugin5cloneEv(ptr noundef nonnull align 8 dereferenceable(120) %0) unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %2 = invoke noalias noundef nonnull dereferenceable(120) ptr @_Znwm(i64 noundef 120) #6
          to label %3 unwind label %11

3:                                                ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  invoke void @_ZN8nvinfer16plugin18EfficientNMSPluginC1ENS0_22EfficientNMSParametersE(ptr noundef nonnull align 8 dereferenceable(120) %2, ptr noundef nonnull byval(%"struct.nvinfer1::plugin::EfficientNMSParameters") align 8 %4)
          to label %5 unwind label %13

5:                                                ; preds = %3
  %6 = getelementptr inbounds i8, ptr %0, i64 88
  %7 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %8, i64 120
  %10 = load ptr, ptr %9, align 8
  tail call void %10(ptr noundef nonnull align 8 dereferenceable(120) %2, ptr noundef %7) #7
  br label %21

11:                                               ; preds = %1
  %12 = landingpad { ptr, i32 }
          catch ptr @_ZTISt9exception
          catch ptr null
  br label %15

13:                                               ; preds = %3
  %14 = landingpad { ptr, i32 }
          catch ptr @_ZTISt9exception
          catch ptr null
  tail call void @_ZdlPvm(ptr noundef nonnull %2, i64 noundef 120) #8
  br label %15

15:                                               ; preds = %13, %11
  %.pn = phi { ptr, i32 } [ %14, %13 ], [ %12, %11 ]
  %.07 = extractvalue { ptr, i32 } %.pn, 1
  %.08 = extractvalue { ptr, i32 } %.pn, 0
  %16 = tail call i32 @llvm.eh.typeid.for.p0(ptr nonnull @_ZTISt9exception) #7
  %17 = icmp eq i32 %.07, %16
  br i1 %17, label %18, label %25

18:                                               ; preds = %15
  %19 = tail call ptr @__cxa_begin_catch(ptr %.08) #7
  invoke void @_ZN8nvinfer16plugin11caughtErrorERKSt9exception(ptr noundef nonnull align 8 dereferenceable(8) %19)
          to label %20 unwind label %22

20:                                               ; preds = %18
  invoke void @__cxa_end_catch()
          to label %21 unwind label %22

21:                                               ; preds = %20, %5
  %.0 = phi ptr [ %2, %5 ], [ null, %20 ]
  ret ptr %.0

22:                                               ; preds = %20, %18
  %23 = landingpad { ptr, i32 }
          catch ptr null
  %24 = extractvalue { ptr, i32 } %23, 0
  tail call void @__clang_call_terminate(ptr %24) #9
  unreachable

25:                                               ; preds = %15
  tail call void @__clang_call_terminate(ptr %.08) #9
  unreachable
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #4

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #5

declare void @_ZN8nvinfer16plugin18EfficientNMSPluginC1ENS0_22EfficientNMSParametersE(ptr, ptr) local_unnamed_addr

attributes #0 = { 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 #1 = { nofree nosync nounwind memory(none) }
attributes #2 = { 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 #3 = { 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 #4 = { 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 #5 = { 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 #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,DSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,SROAPass,SimplifyCFGPass,TailCallElimPass