; LLVM IR from libxsmm/libxsmm :: src (generator_common_x86)

; 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 }

declare void @libxsmm_x86_instruction_pop_reg(ptr noundef, i32 noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @libxsmm_generator_vcvtneps2bf16_sse_clean_stack(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @libxsmm_generator_vcvtneps2bf16_avx2_clean_stack(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @libxsmm_generator_vcvtneps2bf16_avx512_clean_stack(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.libxsmm_generated_code, ptr %5, i32 0, i32 6
  %7 = load i32, ptr %6, align 4, !tbaa !11
  %8 = icmp ult i32 %7, 1005
  br i1 %8, label %9, label %11

9:                                                ; preds = %2
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  call void @libxsmm_generator_vcvtneps2bf16_sse_clean_stack(ptr noundef %10)
  br label %31

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 uge i32 %14, 1006
  br i1 %15, label %16, label %23

16:                                               ; preds = %11
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.libxsmm_generated_code, ptr %17, i32 0, i32 6
  %19 = load i32, ptr %18, align 4, !tbaa !11
  %20 = icmp ult i32 %19, 1051
  br i1 %20, label %21, label %23

21:                                               ; preds = %16
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  call void @libxsmm_generator_vcvtneps2bf16_avx2_clean_stack(ptr noundef %22)
  br label %30

23:                                               ; preds = %16, %11
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = load i32, ptr %4, align 4, !tbaa !9
  call void @libxsmm_x86_instruction_pop_reg(ptr noundef %24, i32 noundef %25)
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = load i32, ptr %4, align 4, !tbaa !9
  call void @libxsmm_x86_instruction_pop_reg(ptr noundef %26, i32 noundef %27)
  %28 = load ptr, ptr %3, align 8, !tbaa !5
  %29 = load i32, ptr %4, align 4, !tbaa !9
  call void @libxsmm_x86_instruction_pop_reg(ptr noundef %28, i32 noundef %29)
  br label %30

30:                                               ; preds = %23, %21
  br label %31

31:                                               ; preds = %30, %9
  ret void
}

attributes #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 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, !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"

declare void @libxsmm_x86_instruction_pop_reg(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @libxsmm_generator_vcvtneps2bf16_sse_clean_stack(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @libxsmm_generator_vcvtneps2bf16_avx2_clean_stack(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @libxsmm_generator_vcvtneps2bf16_avx512_clean_stack(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 28
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %5 = icmp ult i32 %4, 1005
  br i1 %5, label %6, label %7

6:                                                ; preds = %2
  tail call void @libxsmm_generator_vcvtneps2bf16_sse_clean_stack(ptr noundef nonnull %0)
  br label %11

7:                                                ; preds = %2
  %.not = icmp ne i32 %4, 1005
  %8 = icmp ult i32 %4, 1051
  %or.cond = and i1 %.not, %8
  br i1 %or.cond, label %9, label %10

9:                                                ; preds = %7
  tail call void @libxsmm_generator_vcvtneps2bf16_avx2_clean_stack(ptr noundef nonnull %0)
  br label %11

10:                                               ; preds = %7
  tail call void @libxsmm_x86_instruction_pop_reg(ptr noundef nonnull %0, i32 noundef %1) #2
  tail call void @libxsmm_x86_instruction_pop_reg(ptr noundef nonnull %0, i32 noundef %1) #2
  tail call void @libxsmm_x86_instruction_pop_reg(ptr noundef nonnull %0, i32 noundef %1) #2
  br label %11

11:                                               ; preds = %9, %10, %6
  ret void
}

attributes #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 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, !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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass