; LLVM IR from huawei-noah/bolt :: compute/tensor/src/cpu/x86 (quantize)

; 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] }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z21quantize_bias_offsetCPKv10TensorDesc8DataTypeS0_S1_PKfPv(ptr noundef %0, ptr noundef byval(%struct.TensorDesc) align 8 %1, i32 noundef %2, ptr noundef %3, ptr noundef byval(%struct.TensorDesc) align 8 %4, ptr noundef %5, ptr noundef %6) #1 {
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i32 %2, ptr %9, align 4, !tbaa !9
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %5, ptr %11, align 8, !tbaa !5
  store ptr %6, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  store i32 0, ptr %13, align 4, !tbaa !11
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %16, label %20

16:                                               ; preds = %7
  %17 = load i32, ptr %9, align 4, !tbaa !9
  switch i32 %17, label %18 [
  ]

18:                                               ; preds = %16
  store i32 51, ptr %13, align 4, !tbaa !11
  br label %19

19:                                               ; preds = %18
  br label %39

20:                                               ; preds = %7
  %21 = getelementptr inbounds %struct.TensorDesc, ptr %1, i32 0, i32 0
  %22 = load i32, ptr %21, align 8, !tbaa !13
  %23 = icmp eq i32 %22, 6
  br i1 %23, label %24, label %28

24:                                               ; preds = %20
  %25 = load i32, ptr %9, align 4, !tbaa !9
  switch i32 %25, label %26 [
  ]

26:                                               ; preds = %24
  store i32 51, ptr %13, align 4, !tbaa !11
  br label %27

27:                                               ; preds = %26
  br label %38

28:                                               ; preds = %20
  %29 = getelementptr inbounds %struct.TensorDesc, ptr %1, i32 0, i32 0
  %30 = load i32, ptr %29, align 8, !tbaa !13
  %31 = icmp eq i32 %30, 3
  br i1 %31, label %32, label %36

32:                                               ; preds = %28
  %33 = load i32, ptr %9, align 4, !tbaa !9
  switch i32 %33, label %34 [
  ]

34:                                               ; preds = %32
  store i32 51, ptr %13, align 4, !tbaa !11
  br label %35

35:                                               ; preds = %34
  br label %37

36:                                               ; preds = %28
  store i32 51, ptr %13, align 4, !tbaa !11
  br label %37

37:                                               ; preds = %36, %35
  br label %38

38:                                               ; preds = %37, %27
  br label %39

39:                                               ; preds = %38, %19
  %40 = load i32, ptr %13, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  ret i32 %40
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 = !{!"_ZTS8DataType", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"_ZTS2EE", !7, i64 0}
!13 = !{!14, !10, i64 0}
!14 = !{!"_ZTS10TensorDesc", !10, i64 0, !15, i64 4, !16, i64 8, !7, i64 12}
!15 = !{!"_ZTS10DataFormat", !7, i64 0}
!16 = !{!"int", !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] }

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef i32 @_Z21quantize_bias_offsetCPKv10TensorDesc8DataTypeS0_S1_PKfPv(ptr nocapture noundef readnone %0, ptr nocapture noundef readnone byval(%struct.TensorDesc) align 8 %1, i32 noundef %2, ptr nocapture noundef readnone %3, ptr nocapture noundef readnone byval(%struct.TensorDesc) align 8 %4, ptr nocapture noundef readnone %5, ptr nocapture noundef readnone %6) local_unnamed_addr #0 {
  ret i32 51
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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,InferFunctionAttrsPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass