; LLVM IR from intel/qpl :: sources/middle-layer/compression/dictionary (dictionary_utils)

; 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.qpl_dictionary = type { i8, i8, i64, 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: mustprogress nounwind uwtable
define dso_local noundef zeroext i8 @_ZN3qpl2ml11compression24get_load_dictionary_flagER14qpl_dictionary(ptr noundef nonnull align 8 dereferenceable(40) %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i8, align 1
  %4 = alloca i8, align 1
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #2
  store i8 0, ptr %3, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #2
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.qpl_dictionary, ptr %5, i32 0, i32 1
  %7 = load i8, ptr %6, align 1, !tbaa !10
  store i8 %7, ptr %4, align 1, !tbaa !16
  %8 = load i8, ptr %4, align 1, !tbaa !16
  switch i8 %8, label %12 [
    i8 0, label %9
    i8 1, label %10
    i8 2, label %11
  ]

9:                                                ; preds = %1
  store i8 1, ptr %3, align 1, !tbaa !9
  br label %13

10:                                               ; preds = %1
  store i8 2, ptr %3, align 1, !tbaa !9
  br label %13

11:                                               ; preds = %1
  store i8 3, ptr %3, align 1, !tbaa !9
  br label %13

12:                                               ; preds = %1
  store i8 0, ptr %3, align 1, !tbaa !9
  br label %13

13:                                               ; preds = %12, %11, %10, %9
  %14 = load i8, ptr %3, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #2
  ret i8 %14
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !13, i64 1}
!11 = !{!"_ZTS14qpl_dictionary", !12, i64 0, !13, i64 1, !14, i64 8, !15, i64 16, !15, i64 20, !15, i64 24, !15, i64 28, !15, i64 32}
!12 = !{!"_ZTS26software_compression_level", !7, i64 0}
!13 = !{!"_ZTS25hardware_dictionary_level", !7, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!"int", !7, i64 0}
!16 = !{!13, !13, 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 noundef zeroext range(i8 0, 4) i8 @_ZN3qpl2ml11compression24get_load_dictionary_flagER14qpl_dictionary(ptr nocapture noundef nonnull readonly align 8 dereferenceable(40) %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 1
  %3 = load i8, ptr %2, align 1, !tbaa !5
  %4 = icmp ult i8 %3, 3
  %switch.offset = add nsw i8 %3, 1
  %.0 = select i1 %4, i8 %switch.offset, i8 0
  ret i8 %.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 1}
!6 = !{!"_ZTS14qpl_dictionary", !7, i64 0, !10, i64 1, !11, i64 8, !12, i64 16, !12, i64 20, !12, i64 24, !12, i64 28, !12, i64 32}
!7 = !{!"_ZTS26software_compression_level", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTS25hardware_dictionary_level", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!"int", !8, i64 0}


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