; LLVM IR from seppo0010/rlite :: src (hyperloglog)

; 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.hllhdr = type { [4 x i8], i8, [3 x i8], [8 x i8], [0 x i8] }

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

; Function Attrs: nounwind uwtable
declare hidden i32 @isHLLObject(ptr noundef, i64 noundef) #1

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

; Function Attrs: nounwind uwtable
declare hidden i32 @hllSparseToDense(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @rl_str_pfdebug_todense(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3) #1 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i64 %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = load i64, ptr %7, align 8, !tbaa !9
  %15 = call i32 @isHLLObject(ptr noundef %13, i64 noundef %14)
  %16 = icmp ne i32 %15, 0
  br i1 %16, label %17, label %18

17:                                               ; preds = %4
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %39

18:                                               ; preds = %4
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %19, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #2
  store i32 0, ptr %12, align 4, !tbaa !11
  %20 = load ptr, ptr %10, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.hllhdr, ptr %20, i32 0, i32 1
  %22 = load i8, ptr %21, align 1, !tbaa !13
  %23 = zext i8 %22 to i32
  %24 = icmp eq i32 %23, 1
  br i1 %24, label %25, label %32

25:                                               ; preds = %18
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = load i64, ptr %7, align 8, !tbaa !9
  %28 = call i32 @hllSparseToDense(ptr noundef %26, i64 noundef %27, ptr noundef %6, ptr noundef %7)
  %29 = icmp eq i32 %28, 1
  br i1 %29, label %30, label %31

30:                                               ; preds = %25
  store i32 -2, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %38

31:                                               ; preds = %25
  store i32 1, ptr %12, align 4, !tbaa !11
  br label %32

32:                                               ; preds = %31, %18
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %33, ptr %34, align 8, !tbaa !5
  %35 = load i64, ptr %7, align 8, !tbaa !9
  %36 = load ptr, ptr %9, align 8, !tbaa !5
  store i64 %35, ptr %36, align 8, !tbaa !9
  %37 = load i32, ptr %12, align 4, !tbaa !11
  store i32 %37, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %38

38:                                               ; preds = %32, %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #2
  br label %39

39:                                               ; preds = %38, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  %40 = load i32, ptr %5, align 4
  ret i32 %40
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!7, !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: nounwind uwtable
declare hidden i32 @isHLLObject(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden i32 @hllSparseToDense(ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -2, 2) i32 @rl_str_pfdebug_todense(ptr noundef %0, i64 noundef %1, ptr nocapture noundef writeonly %2, ptr nocapture noundef writeonly %3) local_unnamed_addr #0 {
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  %7 = tail call i32 @isHLLObject(ptr noundef %0, i64 noundef %1)
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %8, label %18

8:                                                ; preds = %4
  %9 = getelementptr inbounds i8, ptr %0, i64 4
  %10 = load i8, ptr %9, align 1, !tbaa !11
  %11 = icmp eq i8 %10, 1
  br i1 %11, label %12, label %15

12:                                               ; preds = %8
  %13 = call i32 @hllSparseToDense(ptr noundef nonnull %0, i64 noundef %1, ptr noundef nonnull %5, ptr noundef nonnull %6)
  %14 = icmp eq i32 %13, 1
  br i1 %14, label %18, label %._crit_edge

._crit_edge:                                      ; preds = %12
  %.pre = load ptr, ptr %5, align 8, !tbaa !5
  %.pre5 = load i64, ptr %6, align 8, !tbaa !9
  br label %15

15:                                               ; preds = %._crit_edge, %8
  %16 = phi i64 [ %1, %8 ], [ %.pre5, %._crit_edge ]
  %17 = phi ptr [ %0, %8 ], [ %.pre, %._crit_edge ]
  %.0 = phi i32 [ 0, %8 ], [ 1, %._crit_edge ]
  store ptr %17, ptr %2, align 8, !tbaa !5
  store i64 %16, ptr %3, align 8, !tbaa !9
  br label %18

18:                                               ; preds = %15, %12, %4
  %.1 = phi i32 [ -1, %4 ], [ %.0, %15 ], [ -2, %12 ]
  ret i32 %.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" }

!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 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass