; LLVM IR from NVIDIA/TensorRT :: plugin/common (nmsHelper)

; 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"

@.str = external hidden unnamed_addr constant [51 x i8], align 1

declare i32 @printf(ptr noundef, ...) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_ZN8nvinfer16plugin31detectionForwardBBoxPermuteSizeEbiiNS_8DataTypeE(i1 noundef zeroext %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) #1 {
  %5 = alloca i64, align 8
  %6 = alloca i8, align 1
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = zext i1 %0 to i8
  store i8 %10, ptr %6, align 1, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  store i32 %2, ptr %8, align 4, !tbaa !9
  store i32 %3, ptr %9, align 4, !tbaa !11
  %11 = load i32, ptr %9, align 4, !tbaa !11
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %13, label %25

13:                                               ; preds = %4
  %14 = load i8, ptr %6, align 1, !tbaa !5, !range !13, !noundef !14
  %15 = trunc i8 %14 to i1
  br i1 %15, label %16, label %17

16:                                               ; preds = %13
  br label %23

17:                                               ; preds = %13
  %18 = load i32, ptr %7, align 4, !tbaa !9
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = mul nsw i32 %18, %19
  %21 = sext i32 %20 to i64
  %22 = mul i64 %21, 4
  br label %23

23:                                               ; preds = %17, %16
  %24 = phi i64 [ 0, %16 ], [ %22, %17 ]
  store i64 %24, ptr %5, align 8
  br label %42

25:                                               ; preds = %4
  %26 = load i32, ptr %9, align 4, !tbaa !11
  %27 = icmp eq i32 %26, 1
  br i1 %27, label %28, label %40

28:                                               ; preds = %25
  %29 = load i8, ptr %6, align 1, !tbaa !5, !range !13, !noundef !14
  %30 = trunc i8 %29 to i1
  br i1 %30, label %31, label %32

31:                                               ; preds = %28
  br label %38

32:                                               ; preds = %28
  %33 = load i32, ptr %7, align 4, !tbaa !9
  %34 = load i32, ptr %8, align 4, !tbaa !9
  %35 = mul nsw i32 %33, %34
  %36 = sext i32 %35 to i64
  %37 = mul i64 %36, 2
  br label %38

38:                                               ; preds = %32, %31
  %39 = phi i64 [ 0, %31 ], [ %37, %32 ]
  store i64 %39, ptr %5, align 8
  br label %42

40:                                               ; preds = %25
  %41 = call i32 (ptr, ...) @printf(ptr noundef @.str)
  store i64 -1, ptr %5, align 8
  br label %42

42:                                               ; preds = %40, %38, %23
  %43 = load i64, ptr %5, align 8
  ret i64 %43
}

attributes #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 = { 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" }

!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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"_ZTSN8nvinfer18DataTypeE", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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"

@.str = external hidden unnamed_addr constant [51 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind uwtable
define dso_local noundef range(i64 -8589934592, 8589934589) i64 @_ZN8nvinfer16plugin31detectionForwardBBoxPermuteSizeEbiiNS_8DataTypeE(i1 noundef zeroext %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #1 {
  switch i32 %3, label %15 [
    i32 0, label %5
    i32 1, label %10
  ]

5:                                                ; preds = %4
  %6 = mul nsw i32 %2, %1
  %7 = sext i32 %6 to i64
  %8 = shl nsw i64 %7, 2
  %9 = select i1 %0, i64 0, i64 %8
  br label %17

10:                                               ; preds = %4
  %11 = mul nsw i32 %2, %1
  %12 = sext i32 %11 to i64
  %13 = shl nsw i64 %12, 1
  %14 = select i1 %0, i64 0, i64 %13
  br label %17

15:                                               ; preds = %4
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str)
  br label %17

17:                                               ; preds = %15, %10, %5
  %.0 = phi i64 [ %9, %5 ], [ %14, %10 ], [ -1, %15 ]
  ret i64 %.0
}

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

!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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass