; LLVM IR from huawei-noah/bolt :: compute/tensor/src/cpu/topk.ll (Z8topk_cpu10TensorDescPv13TopKParamSpecS0_S_S0_S_S0_)

; 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.TensorDesc = type { i32, i32, i32, [20 x i32] }
%struct.TopKParamSpec = type { i32, i32, i32, i32 }

@.str = external hidden unnamed_addr constant [20 x i8], align 1
@stdout = external global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z8topk_cpu10TensorDescPv13TopKParamSpecS0_S_S0_S_S0_(ptr noundef byval(%struct.TensorDesc) align 8 %0, ptr noundef %1, i64 %2, i64 %3, ptr noundef %4, ptr noundef byval(%struct.TensorDesc) align 8 %5, ptr noundef %6, ptr noundef byval(%struct.TensorDesc) align 8 %7, ptr noundef %8) #0 {
  %10 = alloca %struct.TopKParamSpec, align 4
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca ptr, align 8
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = getelementptr inbounds { i64, i64 }, ptr %10, i32 0, i32 0
  store i64 %2, ptr %18, align 4
  %19 = getelementptr inbounds { i64, i64 }, ptr %10, i32 0, i32 1
  store i64 %3, ptr %19, align 4
  store ptr %1, ptr %11, align 8, !tbaa !5
  store ptr %4, ptr %12, align 8, !tbaa !5
  store ptr %6, ptr %13, align 8, !tbaa !5
  store ptr %8, ptr %14, align 8, !tbaa !5
  %20 = load ptr, ptr %11, align 8, !tbaa !5
  %21 = icmp eq ptr null, %20
  br i1 %21, label %28, label %22

22:                                               ; preds = %9
  %23 = load ptr, ptr %13, align 8, !tbaa !5
  %24 = icmp eq ptr null, %23
  br i1 %24, label %28, label %25

25:                                               ; preds = %22
  %26 = load ptr, ptr %14, align 8, !tbaa !5
  %27 = icmp eq ptr null, %26
  br i1 %27, label %28, label %44

28:                                               ; preds = %25, %22, %9
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 1, ptr %15, align 4, !tbaa !9
  %29 = load i32, ptr %15, align 4, !tbaa !9
  %30 = icmp ne i32 %29, 0
  br i1 %30, label %31, label %43

31:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  %32 = call i64 (i64, ...) @syscall(i64 noundef 186) #6
  %33 = trunc i64 %32 to i32
  store i32 %33, ptr %16, align 4, !tbaa !11
  %34 = load i32, ptr %16, align 4, !tbaa !11
  %35 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %34)
  %36 = load ptr, ptr @stdout, align 8, !tbaa !5
  %37 = call i32 @fflush(ptr noundef %36)
  %38 = load i32, ptr %15, align 4, !tbaa !9
  %39 = call ptr @ee2str(i32 noundef %38)
  %40 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, ptr noundef %39)
  %41 = load ptr, ptr @stdout, align 8, !tbaa !5
  %42 = call i32 @fflush(ptr noundef %41)
  call void @exit(i32 noundef 1) #7
  unreachable

43:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %44

44:                                               ; preds = %43, %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  store i32 0, ptr %17, align 4, !tbaa !9
  %45 = getelementptr inbounds %struct.TensorDesc, ptr %0, i32 0, i32 0
  %46 = load i32, ptr %45, align 8, !tbaa !13
  switch i32 %46, label %47 [
  ]

47:                                               ; preds = %44
  store i32 51, ptr %17, align 4, !tbaa !9
  br label %48

48:                                               ; preds = %47
  %49 = load i32, ptr %17, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  ret i32 %49
}

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

; Function Attrs: nounwind
declare i64 @syscall(i64 noundef, ...) #2

declare i32 @printf(ptr noundef, ...) #3

declare i32 @fflush(ptr noundef) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local ptr @ee2str(i32 noundef) #4

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { "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 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 #5 = { noreturn 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 = { nounwind }
attributes #7 = { 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 = !{!"_ZTS2EE", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !15, i64 0}
!14 = !{!"_ZTS10TensorDesc", !15, i64 0, !16, i64 4, !12, i64 8, !7, i64 12}
!15 = !{!"_ZTS8DataType", !7, i64 0}
!16 = !{!"_ZTS10DataFormat", !7, 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.TensorDesc = type { i32, i32, i32, [20 x i32] }

@.str = external hidden unnamed_addr constant [20 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z8topk_cpu10TensorDescPv13TopKParamSpecS0_S_S0_S_S0_(ptr nocapture noundef readnone byval(%struct.TensorDesc) align 8 %0, ptr noundef readnone %1, i64 %2, i64 %3, ptr nocapture noundef readnone %4, ptr nocapture noundef readnone byval(%struct.TensorDesc) align 8 %5, ptr noundef readnone %6, ptr nocapture noundef readnone byval(%struct.TensorDesc) align 8 %7, ptr noundef readnone %8) local_unnamed_addr #0 {
  %10 = icmp eq ptr %1, null
  %11 = icmp eq ptr %6, null
  %or.cond = or i1 %10, %11
  %12 = icmp eq ptr %8, null
  %or.cond3 = or i1 %or.cond, %12
  br i1 %or.cond3, label %13, label %23

13:                                               ; preds = %9
  %14 = tail call i64 (i64, ...) @syscall(i64 noundef 186) #5
  %15 = trunc i64 %14 to i32
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %15)
  %17 = load ptr, ptr @stdout, align 8, !tbaa !5
  %18 = tail call i32 @fflush(ptr noundef %17)
  %19 = tail call ptr @ee2str(i32 noundef 1)
  %20 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, ptr noundef %19)
  %21 = load ptr, ptr @stdout, align 8, !tbaa !5
  %22 = tail call i32 @fflush(ptr noundef %21)
  tail call void @exit(i32 noundef 1) #6
  unreachable

23:                                               ; preds = %9
  ret i32 51
}

; Function Attrs: nounwind
declare i64 @syscall(i64 noundef, ...) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @fflush(ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local ptr @ee2str(i32 noundef) local_unnamed_addr #3

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #4

attributes #0 = { 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 #1 = { 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 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 = { 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 #4 = { noreturn 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 #5 = { nounwind }
attributes #6 = { 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"}


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