; LLVM IR from libxsmm/libxsmm :: src (generator_matequation_regblocks_avx_avx512)

; 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(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  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
  %6 = load i32, ptr %4, align 4, !tbaa !9
  switch i32 %6, label %25 [
    i32 24, label %7
    i32 2, label %8
    i32 13, label %9
    i32 14, label %10
    i32 11, label %11
    i32 12, label %12
    i32 17, label %13
    i32 7, label %21
    i32 8, label %22
    i32 9, label %23
    i32 10, label %24
  ]

7:                                                ; preds = %2
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %26

8:                                                ; preds = %2
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %26

9:                                                ; preds = %2
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %26

10:                                               ; preds = %2
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %26

11:                                               ; preds = %2
  store i32 14, ptr %5, align 4, !tbaa !9
  br label %26

12:                                               ; preds = %2
  store i32 14, ptr %5, align 4, !tbaa !9
  br label %26

13:                                               ; preds = %2
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.libxsmm_generated_code, ptr %14, i32 0, i32 6
  %16 = load i32, ptr %15, align 4, !tbaa !11
  %17 = icmp ult i32 %16, 1051
  br i1 %17, label %18, label %19

18:                                               ; preds = %13
  store i32 9, ptr %5, align 4, !tbaa !9
  br label %20

19:                                               ; preds = %13
  store i32 8, ptr %5, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %19, %18
  br label %26

21:                                               ; preds = %2
  store i32 14, ptr %5, align 4, !tbaa !9
  br label %26

22:                                               ; preds = %2
  store i32 14, ptr %5, align 4, !tbaa !9
  br label %26

23:                                               ; preds = %2
  store i32 15, ptr %5, align 4, !tbaa !9
  br label %26

24:                                               ; preds = %2
  store i32 15, ptr %5, align 4, !tbaa !9
  br label %26

25:                                               ; preds = %2
  br label %26

26:                                               ; preds = %25, %24, %23, %22, %21, %20, %12, %11, %10, %9, %8, %7
  %27 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %27
}

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}


; 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, 16) i32 @libxsmm_generator_matequation_regblocks_unary_op_req_zmms(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  switch i32 %1, label %17 [
    i32 24, label %3
    i32 2, label %4
    i32 13, label %5
    i32 14, label %6
    i32 11, label %7
    i32 12, label %8
    i32 17, label %9
    i32 7, label %13
    i32 8, label %14
    i32 9, label %15
    i32 10, label %16
  ]

3:                                                ; preds = %2
  br label %17

4:                                                ; preds = %2
  br label %17

5:                                                ; preds = %2
  br label %17

6:                                                ; preds = %2
  br label %17

7:                                                ; preds = %2
  br label %17

8:                                                ; preds = %2
  br label %17

9:                                                ; preds = %2
  %10 = getelementptr inbounds i8, ptr %0, i64 28
  %11 = load i32, ptr %10, align 4, !tbaa !5
  %12 = icmp ult i32 %11, 1051
  %. = select i1 %12, i32 9, i32 8
  br label %17

13:                                               ; preds = %2
  br label %17

14:                                               ; preds = %2
  br label %17

15:                                               ; preds = %2
  br label %17

16:                                               ; preds = %2
  br label %17

17:                                               ; preds = %9, %2, %16, %15, %14, %13, %8, %7, %6, %5, %4, %3
  %.0 = phi i32 [ 0, %2 ], [ 15, %16 ], [ 15, %15 ], [ 14, %14 ], [ 14, %13 ], [ 14, %8 ], [ 14, %7 ], [ 1, %6 ], [ 1, %5 ], [ 1, %4 ], [ 1, %3 ], [ %., %9 ]
  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: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass