; LLVM IR from libxsmm/libxsmm :: src (generator_matequation_regblocks_aarch64)

; 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.libxsmm_generated_code = type { ptr, i32, i32, i32, i32, i32, 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: nounwind uwtable
define dso_local i32 @libxsmm_generator_matequation_regblocks_unary_op_req_zmms_aarch64(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  store i32 0, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.libxsmm_generated_code, ptr %7, i32 0, i32 6
  %9 = load i32, ptr %8, align 4, !tbaa !11
  %10 = icmp uge i32 %9, 2201
  br i1 %10, label %11, label %16

11:                                               ; preds = %2
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.libxsmm_generated_code, ptr %12, i32 0, i32 6
  %14 = load i32, ptr %13, align 4, !tbaa !11
  %15 = icmp ule i32 %14, 2999
  br label %16

16:                                               ; preds = %11, %2
  %17 = phi i1 [ false, %2 ], [ %15, %11 ]
  %18 = zext i1 %17 to i32
  %19 = trunc i32 %18 to i8
  store i8 %19, ptr %6, align 1, !tbaa !13
  %20 = load i32, ptr %4, align 4, !tbaa !9
  switch i32 %20, label %41 [
    i32 24, label %21
    i32 2, label %22
    i32 14, label %23
    i32 11, label %24
    i32 12, label %30
    i32 17, label %36
    i32 7, label %37
    i32 8, label %38
    i32 9, label %39
    i32 10, label %40
  ]

21:                                               ; preds = %16
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %42

22:                                               ; preds = %16
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %42

23:                                               ; preds = %16
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %42

24:                                               ; preds = %16
  %25 = load i8, ptr %6, align 1, !tbaa !13
  %26 = zext i8 %25 to i32
  %27 = icmp sgt i32 %26, 0
  %28 = zext i1 %27 to i64
  %29 = select i1 %27, i32 15, i32 25
  store i32 %29, ptr %5, align 4, !tbaa !9
  br label %42

30:                                               ; preds = %16
  %31 = load i8, ptr %6, align 1, !tbaa !13
  %32 = zext i8 %31 to i32
  %33 = icmp sgt i32 %32, 0
  %34 = zext i1 %33 to i64
  %35 = select i1 %33, i32 15, i32 25
  store i32 %35, ptr %5, align 4, !tbaa !9
  br label %42

36:                                               ; preds = %16
  store i32 9, ptr %5, align 4, !tbaa !9
  br label %42

37:                                               ; preds = %16
  store i32 17, ptr %5, align 4, !tbaa !9
  br label %42

38:                                               ; preds = %16
  store i32 17, ptr %5, align 4, !tbaa !9
  br label %42

39:                                               ; preds = %16
  store i32 18, ptr %5, align 4, !tbaa !9
  br label %42

40:                                               ; preds = %16
  store i32 18, ptr %5, align 4, !tbaa !9
  br label %42

41:                                               ; preds = %16
  br label %42

42:                                               ; preds = %41, %40, %39, %38, %37, %36, %30, %24, %23, %22, %21
  %43 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %43
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 28}
!12 = !{!"libxsmm_generated_code", !6, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28}
!13 = !{!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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local range(i32 0, 26) i32 @libxsmm_generator_matequation_regblocks_unary_op_req_zmms_aarch64(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 28
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %5 = icmp ugt i32 %4, 2200
  %6 = icmp ugt i32 %4, 2999
  %7 = select i1 %6, i32 25, i32 15
  %.not = select i1 %5, i32 %7, i32 25
  switch i32 %1, label %18 [
    i32 24, label %8
    i32 2, label %9
    i32 14, label %10
    i32 11, label %11
    i32 12, label %12
    i32 17, label %13
    i32 7, label %14
    i32 8, label %15
    i32 9, label %16
    i32 10, label %17
  ]

8:                                                ; preds = %2
  br label %18

9:                                                ; preds = %2
  br label %18

10:                                               ; preds = %2
  br label %18

11:                                               ; preds = %2
  br label %18

12:                                               ; preds = %2
  br label %18

13:                                               ; preds = %2
  br label %18

14:                                               ; preds = %2
  br label %18

15:                                               ; preds = %2
  br label %18

16:                                               ; preds = %2
  br label %18

17:                                               ; preds = %2
  br label %18

18:                                               ; preds = %2, %17, %16, %15, %14, %13, %12, %11, %10, %9, %8
  %.0 = phi i32 [ 0, %2 ], [ 18, %17 ], [ 18, %16 ], [ 17, %15 ], [ 17, %14 ], [ 9, %13 ], [ %.not, %12 ], [ %.not, %11 ], [ 1, %10 ], [ 1, %9 ], [ 1, %8 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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, !10, i64 28}
!6 = !{!"libxsmm_generated_code", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}


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