; LLVM IR from intel/qpl :: sources/core-sw/src/compression (deflate_histogram)

; 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.deflate_histogram_t = type { [286 x i32], [30 x i32], %struct.deflate_hash_table_t }
%struct.deflate_hash_table_t = type { ptr, ptr, i32, i32, i32, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @px_deflate_histogram_reset(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.deflate_histogram_t, ptr %3, i32 0, i32 2
  %5 = getelementptr inbounds %struct.deflate_hash_table_t, ptr %4, i32 0, i32 2
  store i32 4095, ptr %5, align 8, !tbaa !9
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.deflate_histogram_t, ptr %6, i32 0, i32 2
  %8 = getelementptr inbounds %struct.deflate_hash_table_t, ptr %7, i32 0, i32 3
  store i32 4096, ptr %8, align 4, !tbaa !13
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.deflate_histogram_t, ptr %9, i32 0, i32 2
  %11 = getelementptr inbounds %struct.deflate_hash_table_t, ptr %10, i32 0, i32 4
  store i32 32, ptr %11, align 8, !tbaa !14
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.deflate_histogram_t, ptr %12, i32 0, i32 2
  %14 = getelementptr inbounds %struct.deflate_hash_table_t, ptr %13, i32 0, i32 5
  store i32 258, ptr %14, align 4, !tbaa !15
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.deflate_histogram_t, ptr %15, i32 0, i32 2
  %17 = getelementptr inbounds %struct.deflate_hash_table_t, ptr %16, i32 0, i32 6
  store i32 258, ptr %17, align 8, !tbaa !16
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.deflate_histogram_t, ptr %18, i32 0, i32 2
  call void @px_deflate_hash_table_reset(ptr noundef %19)
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.deflate_histogram_t, ptr %20, i32 0, i32 0
  %22 = getelementptr inbounds [286 x i32], ptr %21, i64 0, i64 256
  store i32 1, ptr %22, align 8, !tbaa !17
  ret void
}

declare void @px_deflate_hash_table_reset(ptr noundef) #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" }

!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, !12, i64 1280}
!10 = !{!"", !7, i64 0, !7, i64 1144, !11, i64 1264}
!11 = !{!"", !6, i64 0, !6, i64 8, !12, i64 16, !12, i64 20, !12, i64 24, !12, i64 28, !12, i64 32}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !12, i64 1284}
!14 = !{!10, !12, i64 1288}
!15 = !{!10, !12, i64 1292}
!16 = !{!10, !12, i64 1296}
!17 = !{!12, !12, 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: nounwind uwtable
define dso_local void @px_deflate_histogram_reset(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 1264
  %3 = getelementptr inbounds i8, ptr %0, i64 1280
  store <4 x i32> <i32 4095, i32 4096, i32 32, i32 258>, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 1296
  store i32 258, ptr %4, align 8, !tbaa !9
  tail call void @px_deflate_hash_table_reset(ptr noundef nonnull %2) #2
  %5 = getelementptr inbounds i8, ptr %0, i64 1024
  store i32 1, ptr %5, align 8, !tbaa !5
  ret void
}

declare void @px_deflate_hash_table_reset(ptr 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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 1296}
!10 = !{!"", !7, i64 0, !7, i64 1144, !11, i64 1264}
!11 = !{!"", !12, i64 0, !12, i64 8, !6, i64 16, !6, i64 20, !6, i64 24, !6, i64 28, !6, i64 32}
!12 = !{!"any pointer", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,SLPVectorizerPass,SROAPass,TailCallElimPass