; LLVM IR from huawei-noah/bolt :: compute/tensor/src/cpu/non_zero.ll (Z12non_zero_cpu10TensorDescPvS_S0_Pj)

; 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] }

@.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 @_Z12non_zero_cpu10TensorDescPvS_S0_Pj(ptr noundef byval(%struct.TensorDesc) align 8 %0, ptr noundef %1, ptr noundef byval(%struct.TensorDesc) align 8 %2, ptr noundef %3, ptr noundef %4) #0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %struct.TensorDesc, align 8
  %13 = alloca %struct.TensorDesc, align 8
  %14 = alloca %struct.TensorDesc, align 8
  %15 = alloca %struct.TensorDesc, align 8
  %16 = alloca %struct.TensorDesc, align 8
  %17 = alloca %struct.TensorDesc, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %3, ptr %7, align 8, !tbaa !5
  store ptr %4, ptr %8, align 8, !tbaa !5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = icmp eq ptr null, %18
  br i1 %19, label %23, label %20

20:                                               ; preds = %5
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = icmp eq ptr null, %21
  br i1 %22, label %23, label %39

23:                                               ; preds = %20, %5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #8
  store i32 1, ptr %9, align 4, !tbaa !9
  %24 = load i32, ptr %9, align 4, !tbaa !9
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %26, label %38

26:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  %27 = call i64 (i64, ...) @syscall(i64 noundef 186) #8
  %28 = trunc i64 %27 to i32
  store i32 %28, ptr %10, align 4, !tbaa !11
  %29 = load i32, ptr %10, align 4, !tbaa !11
  %30 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %29)
  %31 = load ptr, ptr @stdout, align 8, !tbaa !5
  %32 = call i32 @fflush(ptr noundef %31)
  %33 = load i32, ptr %9, align 4, !tbaa !9
  %34 = call ptr @ee2str(i32 noundef %33)
  %35 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, ptr noundef %34)
  %36 = load ptr, ptr @stdout, align 8, !tbaa !5
  %37 = call i32 @fflush(ptr noundef %36)
  call void @exit(i32 noundef 1) #9
  unreachable

38:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  br label %39

39:                                               ; preds = %38, %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #8
  store i32 0, ptr %11, align 4, !tbaa !9
  %40 = getelementptr inbounds %struct.TensorDesc, ptr %0, i32 0, i32 0
  %41 = load i32, ptr %40, align 8, !tbaa !13
  switch i32 %41, label %57 [
    i32 2, label %42
    i32 3, label %47
    i32 0, label %52
  ]

42:                                               ; preds = %39
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 8 %0, i64 92, i1 false), !tbaa.struct !17
  %43 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 8 %2, i64 92, i1 false), !tbaa.struct !17
  %44 = load ptr, ptr %7, align 8, !tbaa !5
  %45 = call noundef i32 @_ZL15non_zero_kernelIjEj10TensorDescPT_S0_Pi(ptr noundef byval(%struct.TensorDesc) align 8 %12, ptr noundef %43, ptr noundef byval(%struct.TensorDesc) align 8 %13, ptr noundef %44)
  %46 = load ptr, ptr %8, align 8, !tbaa !5
  store i32 %45, ptr %46, align 4, !tbaa !11
  br label %58

47:                                               ; preds = %39
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %14, ptr align 8 %0, i64 92, i1 false), !tbaa.struct !17
  %48 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %15, ptr align 8 %2, i64 92, i1 false), !tbaa.struct !17
  %49 = load ptr, ptr %7, align 8, !tbaa !5
  %50 = call noundef i32 @_ZL15non_zero_kernelIiEj10TensorDescPT_S0_Pi(ptr noundef byval(%struct.TensorDesc) align 8 %14, ptr noundef %48, ptr noundef byval(%struct.TensorDesc) align 8 %15, ptr noundef %49)
  %51 = load ptr, ptr %8, align 8, !tbaa !5
  store i32 %50, ptr %51, align 4, !tbaa !11
  br label %58

52:                                               ; preds = %39
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %16, ptr align 8 %0, i64 92, i1 false), !tbaa.struct !17
  %53 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 8 %2, i64 92, i1 false), !tbaa.struct !17
  %54 = load ptr, ptr %7, align 8, !tbaa !5
  %55 = call noundef i32 @_ZL15non_zero_kernelIhEj10TensorDescPT_S0_Pi(ptr noundef byval(%struct.TensorDesc) align 8 %16, ptr noundef %53, ptr noundef byval(%struct.TensorDesc) align 8 %17, ptr noundef %54)
  %56 = load ptr, ptr %8, align 8, !tbaa !5
  store i32 %55, ptr %56, align 4, !tbaa !11
  br label %58

57:                                               ; preds = %39
  store i32 51, ptr %11, align 4, !tbaa !9
  br label %58

58:                                               ; preds = %57, %52, %47, %42
  %59 = load i32, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  ret i32 %59
}

; 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

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef i32 @_ZL15non_zero_kernelIjEj10TensorDescPT_S0_Pi(ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef, ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef) #6

; 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) #7

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef i32 @_ZL15non_zero_kernelIiEj10TensorDescPT_S0_Pi(ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef, ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef) #6

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef i32 @_ZL15non_zero_kernelIhEj10TensorDescPT_S0_Pi(ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef, ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef) #6

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 = { 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 #7 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #8 = { 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 = !{!"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}
!17 = !{i64 0, i64 4, !18, i64 4, i64 4, !19, i64 8, i64 4, !11, i64 12, i64 80, !20}
!18 = !{!15, !15, i64 0}
!19 = !{!16, !16, i64 0}
!20 = !{!7, !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 uwtable
define dso_local noundef range(i32 0, 52) i32 @_Z12non_zero_cpu10TensorDescPvS_S0_Pj(ptr nocapture noundef readonly byval(%struct.TensorDesc) align 8 %0, ptr noundef %1, ptr nocapture noundef readonly byval(%struct.TensorDesc) align 8 %2, ptr noundef %3, ptr nocapture noundef writeonly %4) local_unnamed_addr #0 {
  %6 = icmp eq ptr %1, null
  %7 = icmp eq ptr %3, null
  %or.cond = or i1 %6, %7
  br i1 %or.cond, label %8, label %18

8:                                                ; preds = %5
  %9 = tail call i64 (i64, ...) @syscall(i64 noundef 186) #6
  %10 = trunc i64 %9 to i32
  %11 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %10)
  %12 = load ptr, ptr @stdout, align 8, !tbaa !5
  %13 = tail call i32 @fflush(ptr noundef %12)
  %14 = tail call ptr @ee2str(i32 noundef 1)
  %15 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, ptr noundef %14)
  %16 = load ptr, ptr @stdout, align 8, !tbaa !5
  %17 = tail call i32 @fflush(ptr noundef %16)
  tail call void @exit(i32 noundef 1) #7
  unreachable

18:                                               ; preds = %5
  %19 = load i32, ptr %0, align 8, !tbaa !9
  switch i32 %19, label %26 [
    i32 2, label %20
    i32 3, label %22
    i32 0, label %24
  ]

20:                                               ; preds = %18
  %21 = tail call noundef i32 @_ZL15non_zero_kernelIjEj10TensorDescPT_S0_Pi(ptr noundef nonnull byval(%struct.TensorDesc) align 8 %0, ptr noundef nonnull %1, ptr noundef nonnull byval(%struct.TensorDesc) align 8 %2, ptr noundef nonnull %3)
  br label %.sink.split

22:                                               ; preds = %18
  %23 = tail call noundef i32 @_ZL15non_zero_kernelIiEj10TensorDescPT_S0_Pi(ptr noundef nonnull byval(%struct.TensorDesc) align 8 %0, ptr noundef nonnull %1, ptr noundef nonnull byval(%struct.TensorDesc) align 8 %2, ptr noundef nonnull %3)
  br label %.sink.split

24:                                               ; preds = %18
  %25 = tail call noundef i32 @_ZL15non_zero_kernelIhEj10TensorDescPT_S0_Pi(ptr noundef nonnull byval(%struct.TensorDesc) align 8 %0, ptr noundef nonnull %1, ptr noundef nonnull byval(%struct.TensorDesc) align 8 %2, ptr noundef nonnull %3)
  br label %.sink.split

.sink.split:                                      ; preds = %20, %22, %24
  %.sink = phi i32 [ %25, %24 ], [ %23, %22 ], [ %21, %20 ]
  store i32 %.sink, ptr %4, align 4, !tbaa !14
  br label %26

26:                                               ; preds = %.sink.split, %18
  %.0 = phi i32 [ 51, %18 ], [ 0, %.sink.split ]
  ret i32 %.0
}

; 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

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef i32 @_ZL15non_zero_kernelIjEj10TensorDescPT_S0_Pi(ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef, ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef i32 @_ZL15non_zero_kernelIiEj10TensorDescPT_S0_Pi(ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef, ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef i32 @_ZL15non_zero_kernelIhEj10TensorDescPT_S0_Pi(ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef, ptr noundef byval(%struct.TensorDesc) align 8, ptr noundef) local_unnamed_addr #5

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 = { 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 = { 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 = { 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, !11, i64 0}
!10 = !{!"_ZTS10TensorDesc", !11, i64 0, !12, i64 4, !13, i64 8, !7, i64 12}
!11 = !{!"_ZTS8DataType", !7, i64 0}
!12 = !{!"_ZTS10DataFormat", !7, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!13, !13, i64 0}


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