; LLVM IR from libxsmm/libxsmm :: samples/encoder (encoder_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 }

; Function Attrs: nounwind uwtable
declare dso_local void @reset_code_buffer(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @dump_code_buffer(ptr noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local void @test_tile_compute(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %10 = load ptr, ptr %6, align 8, !tbaa !5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  call void @reset_code_buffer(ptr noundef %10, ptr noundef %11)
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %22, %4
  %13 = load i32, ptr %9, align 4, !tbaa !9
  %14 = icmp ult i32 %13, 8
  br i1 %14, label %15, label %25

15:                                               ; preds = %12
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = load ptr, ptr %6, 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 = load i32, ptr %7, align 4, !tbaa !9
  %21 = load i32, ptr %9, align 4, !tbaa !9
  call void @libxsmm_x86_instruction_tile_compute(ptr noundef %16, i32 noundef %19, i32 noundef %20, i32 noundef %21, i32 noundef 0, i32 noundef 0)
  br label %22

22:                                               ; preds = %15
  %23 = load i32, ptr %9, align 4, !tbaa !9
  %24 = add i32 %23, 1
  store i32 %24, ptr %9, align 4, !tbaa !9
  br label %12, !llvm.loop !13

25:                                               ; preds = %12
  %26 = load i32, ptr %8, align 4, !tbaa !9
  %27 = icmp ne i32 %26, 0
  br i1 %27, label %43, label %28

28:                                               ; preds = %25
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %39, %28
  %30 = load i32, ptr %9, align 4, !tbaa !9
  %31 = icmp ult i32 %30, 8
  br i1 %31, label %32, label %42

32:                                               ; preds = %29
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  %34 = load ptr, ptr %6, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.libxsmm_generated_code, ptr %34, i32 0, i32 6
  %36 = load i32, ptr %35, align 4, !tbaa !11
  %37 = load i32, ptr %7, align 4, !tbaa !9
  %38 = load i32, ptr %9, align 4, !tbaa !9
  call void @libxsmm_x86_instruction_tile_compute(ptr noundef %33, i32 noundef %36, i32 noundef %37, i32 noundef 0, i32 noundef %38, i32 noundef 0)
  br label %39

39:                                               ; preds = %32
  %40 = load i32, ptr %9, align 4, !tbaa !9
  %41 = add i32 %40, 1
  store i32 %41, ptr %9, align 4, !tbaa !9
  br label %29, !llvm.loop !15

42:                                               ; preds = %29
  br label %43

43:                                               ; preds = %42, %25
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %44

44:                                               ; preds = %54, %43
  %45 = load i32, ptr %9, align 4, !tbaa !9
  %46 = icmp ult i32 %45, 8
  br i1 %46, label %47, label %57

47:                                               ; preds = %44
  %48 = load ptr, ptr %6, align 8, !tbaa !5
  %49 = load ptr, ptr %6, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.libxsmm_generated_code, ptr %49, i32 0, i32 6
  %51 = load i32, ptr %50, align 4, !tbaa !11
  %52 = load i32, ptr %7, align 4, !tbaa !9
  %53 = load i32, ptr %9, align 4, !tbaa !9
  call void @libxsmm_x86_instruction_tile_compute(ptr noundef %48, i32 noundef %51, i32 noundef %52, i32 noundef 0, i32 noundef 0, i32 noundef %53)
  br label %54

54:                                               ; preds = %47
  %55 = load i32, ptr %9, align 4, !tbaa !9
  %56 = add i32 %55, 1
  store i32 %56, ptr %9, align 4, !tbaa !9
  br label %44, !llvm.loop !16

57:                                               ; preds = %44
  %58 = load ptr, ptr %6, align 8, !tbaa !5
  %59 = load ptr, ptr %5, align 8, !tbaa !5
  call void @dump_code_buffer(ptr noundef %58, ptr noundef %59)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  ret void
}

declare void @libxsmm_x86_instruction_tile_compute(ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}


; 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: nounwind uwtable
declare dso_local void @reset_code_buffer(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @dump_code_buffer(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @test_tile_compute(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  tail call void @reset_code_buffer(ptr noundef %1, ptr noundef %0)
  %5 = getelementptr inbounds i8, ptr %1, i64 28
  %6 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef %1, i32 noundef %6, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 0) #2
  %7 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef %1, i32 noundef %7, i32 noundef %2, i32 noundef 1, i32 noundef 0, i32 noundef 0) #2
  %8 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef %1, i32 noundef %8, i32 noundef %2, i32 noundef 2, i32 noundef 0, i32 noundef 0) #2
  %9 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef %1, i32 noundef %9, i32 noundef %2, i32 noundef 3, i32 noundef 0, i32 noundef 0) #2
  %10 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef %1, i32 noundef %10, i32 noundef %2, i32 noundef 4, i32 noundef 0, i32 noundef 0) #2
  %11 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef %1, i32 noundef %11, i32 noundef %2, i32 noundef 5, i32 noundef 0, i32 noundef 0) #2
  %12 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef %1, i32 noundef %12, i32 noundef %2, i32 noundef 6, i32 noundef 0, i32 noundef 0) #2
  %13 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef %1, i32 noundef %13, i32 noundef %2, i32 noundef 7, i32 noundef 0, i32 noundef 0) #2
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %4
  %14 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %14, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 0) #2
  %15 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %15, i32 noundef %2, i32 noundef 0, i32 noundef 1, i32 noundef 0) #2
  %16 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %16, i32 noundef %2, i32 noundef 0, i32 noundef 2, i32 noundef 0) #2
  %17 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %17, i32 noundef %2, i32 noundef 0, i32 noundef 3, i32 noundef 0) #2
  %18 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %18, i32 noundef %2, i32 noundef 0, i32 noundef 4, i32 noundef 0) #2
  %19 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %19, i32 noundef %2, i32 noundef 0, i32 noundef 5, i32 noundef 0) #2
  %20 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %20, i32 noundef %2, i32 noundef 0, i32 noundef 6, i32 noundef 0) #2
  %21 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %21, i32 noundef %2, i32 noundef 0, i32 noundef 7, i32 noundef 0) #2
  br label %.loopexit

.loopexit:                                        ; preds = %.preheader, %4
  %22 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %22, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 0) #2
  %23 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %23, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 1) #2
  %24 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %24, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 2) #2
  %25 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %25, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 3) #2
  %26 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %26, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 4) #2
  %27 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %27, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 5) #2
  %28 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %28, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 6) #2
  %29 = load i32, ptr %5, align 4, !tbaa !5
  tail call void @libxsmm_x86_instruction_tile_compute(ptr noundef nonnull %1, i32 noundef %29, i32 noundef %2, i32 noundef 0, i32 noundef 0, i32 noundef 7) #2
  tail call void @dump_code_buffer(ptr noundef nonnull %1, ptr noundef %0)
  ret void
}

declare void @libxsmm_x86_instruction_tile_compute(ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

attributes #0 = { 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 #1 = { "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,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,LoopSimplifyPass,SROAPass,SimplifyCFGPass,TailCallElimPass