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

; 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 }

@_ZTVN8nvinfer16plugin31EfficientNMSExplicitTFTRTPluginE = external dso_local unnamed_addr constant { [32 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8nvinfer16plugin31EfficientNMSExplicitTFTRTPluginC2ENS0_22EfficientNMSParametersE(ptr noundef nonnull align 8 dereferenceable(120) %0, ptr noundef byval(%"struct.nvinfer1::plugin::EfficientNMSParameters") align 8 %1) unnamed_addr #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca %"struct.nvinfer1::plugin::EfficientNMSParameters", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %4, ptr align 4 %1, i64 76, i1 false), !tbaa.struct !9
  call void @_ZN8nvinfer16plugin18EfficientNMSPluginC2ENS0_22EfficientNMSParametersE(ptr noundef nonnull align 8 dereferenceable(120) %5, ptr noundef byval(%"struct.nvinfer1::plugin::EfficientNMSParameters") align 8 %4)
  store ptr getelementptr inbounds inrange(-16, 240) ({ [32 x ptr] }, ptr @_ZTVN8nvinfer16plugin31EfficientNMSExplicitTFTRTPluginE, i32 0, i32 0, i32 2), ptr %5, align 8, !tbaa !18
  ret void
}

; 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) #1

declare void @_ZN8nvinfer16plugin18EfficientNMSPluginC2ENS0_22EfficientNMSParametersE(ptr noundef nonnull align 8 dereferenceable(120), ptr noundef byval(%"struct.nvinfer1::plugin::EfficientNMSParameters") align 8) unnamed_addr #2

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

!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 }

@_ZTVN8nvinfer16plugin31EfficientNMSExplicitTFTRTPluginE = external dso_local unnamed_addr constant { [32 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8nvinfer16plugin31EfficientNMSExplicitTFTRTPluginC2ENS0_22EfficientNMSParametersE(ptr noundef nonnull align 8 dereferenceable(120) %0, ptr nocapture noundef readonly byval(%"struct.nvinfer1::plugin::EfficientNMSParameters") align 8 %1) unnamed_addr #0 align 2 {
  tail call void @_ZN8nvinfer16plugin18EfficientNMSPluginC2ENS0_22EfficientNMSParametersE(ptr noundef nonnull align 8 dereferenceable(120) %0, ptr noundef nonnull byval(%"struct.nvinfer1::plugin::EfficientNMSParameters") align 8 %1)
  store ptr getelementptr inbounds inrange(-16, 240) (i8, ptr @_ZTVN8nvinfer16plugin31EfficientNMSExplicitTFTRTPluginE, i64 16), ptr %0, align 8, !tbaa !5
  ret void
}

declare void @_ZN8nvinfer16plugin18EfficientNMSPluginC2ENS0_22EfficientNMSParametersE(ptr noundef nonnull align 8 dereferenceable(120), ptr noundef byval(%"struct.nvinfer1::plugin::EfficientNMSParameters") align 8) unnamed_addr #1

attributes #0 = { 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 #1 = { "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" }

!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: DSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass