; LLVM IR from intel/qpl :: sources/middle-layer/util (indexing)

; 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_index_table = type { i32, i32, i32, ptr }

; 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
declare dso_local i32 @qpl_find_header_block_index(ptr noundef, i32 noundef, ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local i32 @qpl_find_mini_block_index(ptr noundef %0, i32 noundef %1, ptr noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.qpl_index_table, ptr %14, i32 0, i32 1
  %16 = load i32, ptr %15, align 4, !tbaa !11
  %17 = icmp uge i32 %13, %16
  br i1 %17, label %18, label %19

18:                                               ; preds = %3
  store i32 57, ptr %4, align 4
  br label %52

19:                                               ; preds = %3
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.qpl_index_table, ptr %20, i32 0, i32 2
  %22 = load i32, ptr %21, align 8, !tbaa !13
  %23 = icmp eq i32 %22, 0
  br i1 %23, label %24, label %25

24:                                               ; preds = %19
  store i32 57, ptr %4, align 4
  br label %52

25:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  store i32 0, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = load i32, ptr %6, align 4, !tbaa !9
  %28 = call i32 @qpl_find_header_block_index(ptr noundef %26, i32 noundef %27, ptr noundef %8)
  store i32 %28, ptr %9, align 4, !tbaa !14
  %29 = load i32, ptr %9, align 4, !tbaa !14
  %30 = icmp ne i32 %29, 0
  br i1 %30, label %31, label %33

31:                                               ; preds = %25
  %32 = load i32, ptr %9, align 4, !tbaa !14
  store i32 %32, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %51

33:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  %34 = load i32, ptr %6, align 4, !tbaa !9
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.qpl_index_table, ptr %35, i32 0, i32 2
  %37 = load i32, ptr %36, align 8, !tbaa !13
  %38 = udiv i32 %34, %37
  store i32 %38, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #2
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = load i32, ptr %11, align 4, !tbaa !9
  %41 = load ptr, ptr %5, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.qpl_index_table, ptr %41, i32 0, i32 2
  %43 = load i32, ptr %42, align 8, !tbaa !13
  %44 = mul i32 %40, %43
  %45 = sub i32 %39, %44
  store i32 %45, ptr %12, align 4, !tbaa !9
  %46 = load i32, ptr %8, align 4, !tbaa !9
  %47 = add i32 %46, 1
  %48 = load i32, ptr %12, align 4, !tbaa !9
  %49 = add i32 %47, %48
  %50 = load ptr, ptr %7, align 8, !tbaa !5
  store i32 %49, ptr %50, align 4, !tbaa !9
  store i32 0, ptr %4, align 4
  store i32 1, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  br label %51

51:                                               ; preds = %33, %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  br label %52

52:                                               ; preds = %51, %24, %18
  %53 = load i32, ptr %4, align 4
  ret i32 %53
}

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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 4}
!12 = !{!"_ZTS15qpl_index_table", !10, i64 0, !10, i64 4, !10, i64 8, !6, i64 16}
!13 = !{!12, !10, i64 8}
!14 = !{!15, !15, i64 0}
!15 = !{!"_ZTS10qpl_status", !7, 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local i32 @qpl_find_header_block_index(ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local i32 @qpl_find_mini_block_index(ptr noundef %0, i32 noundef %1, ptr nocapture noundef writeonly %2) local_unnamed_addr #1 {
  %4 = alloca i32, align 4
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %.not = icmp ugt i32 %6, %1
  br i1 %.not, label %7, label %20

7:                                                ; preds = %3
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load i32, ptr %8, align 8, !tbaa !11
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %20, label %11

11:                                               ; preds = %7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #2
  store i32 0, ptr %4, align 4, !tbaa !12
  %12 = call i32 @qpl_find_header_block_index(ptr noundef nonnull %0, i32 noundef %1, ptr noundef nonnull %4)
  %.not16 = icmp eq i32 %12, 0
  br i1 %.not16, label %13, label %19

13:                                               ; preds = %11
  %14 = load i32, ptr %8, align 8, !tbaa !11
  %15 = urem i32 %1, %14
  %16 = load i32, ptr %4, align 4, !tbaa !12
  %17 = add nuw i32 %15, 1
  %18 = add i32 %17, %16
  store i32 %18, ptr %2, align 4, !tbaa !12
  br label %19

19:                                               ; preds = %11, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #2
  br label %20

20:                                               ; preds = %7, %3, %19
  %.1 = phi i32 [ %12, %19 ], [ 57, %3 ], [ 57, %7 ]
  ret i32 %.1
}

attributes #0 = { mustprogress 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, !7, i64 4}
!6 = !{!"_ZTS15qpl_index_table", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 8}
!12 = !{!7, !7, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass