; LLVM IR from jermp/2i_bench :: external/CRoaring/src/containers (bitset)

; 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.bitset_container_s = type { 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: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @aligned_malloc(i64 noundef, i64 noundef) #2

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: nounwind uwtable
declare dso_local i32 @bitset_container_compute_cardinality(ptr noundef) #5

; Function Attrs: nounwind uwtable
define dso_local ptr @bitset_container_deserialize(ptr noundef %0, i64 noundef %1) #5 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 8192, ptr %7, align 8, !tbaa !9
  %9 = load i64, ptr %7, align 8, !tbaa !9
  %10 = load i64, ptr %5, align 8, !tbaa !9
  %11 = icmp ne i64 %9, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %41

13:                                               ; preds = %2
  %14 = call noalias ptr @malloc(i64 noundef 16) #7
  store ptr %14, ptr %6, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %39

16:                                               ; preds = %13
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %17, ptr align 1 %18, i64 16, i1 false)
  %19 = load i64, ptr %7, align 8, !tbaa !9
  %20 = call ptr @aligned_malloc(i64 noundef 32, i64 noundef %19)
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.bitset_container_s, ptr %21, i32 0, i32 1
  store ptr %20, ptr %22, align 8, !tbaa !11
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.bitset_container_s, ptr %23, i32 0, i32 1
  %25 = load ptr, ptr %24, align 8, !tbaa !11
  %26 = icmp ne ptr %25, null
  br i1 %26, label %29, label %27

27:                                               ; preds = %16
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %28) #6
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %41

29:                                               ; preds = %16
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.bitset_container_s, ptr %30, i32 0, i32 1
  %32 = load ptr, ptr %31, align 8, !tbaa !11
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = load i64, ptr %7, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %32, ptr align 1 %33, i64 %34, i1 false)
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = call i32 @bitset_container_compute_cardinality(ptr noundef %35)
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.bitset_container_s, ptr %37, i32 0, i32 0
  store i32 %36, ptr %38, align 8, !tbaa !14
  br label %39

39:                                               ; preds = %29, %13
  %40 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %40, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %41

41:                                               ; preds = %39, %27, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  %42 = load ptr, ptr %3, align 8
  ret ptr %42
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(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 = { inlinehint 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 #3 = { nounwind "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 #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 #6 = { nounwind }
attributes #7 = { nounwind allocsize(0) }

!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, !6, i64 8}
!12 = !{!"bitset_container_s", !13, i64 0, !6, i64 8}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !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 nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @aligned_malloc(i64 noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: nounwind uwtable
declare dso_local i32 @bitset_container_compute_cardinality(ptr noundef) local_unnamed_addr #4

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @bitset_container_deserialize(ptr nocapture noundef readonly %0, i64 noundef %1) local_unnamed_addr #4 {
  %.not = icmp eq i64 %1, 8192
  br i1 %.not, label %3, label %12

3:                                                ; preds = %2
  %4 = tail call noalias dereferenceable_or_null(16) ptr @malloc(i64 noundef 16) #5
  %.not16 = icmp eq ptr %4, null
  br i1 %.not16, label %12, label %5

5:                                                ; preds = %3
  %6 = load i64, ptr %0, align 1
  store i64 %6, ptr %4, align 8
  %7 = tail call ptr @aligned_malloc(i64 noundef 32, i64 noundef 8192)
  %8 = getelementptr inbounds i8, ptr %4, i64 8
  store ptr %7, ptr %8, align 8, !tbaa !5
  %.not17 = icmp eq ptr %7, null
  br i1 %.not17, label %9, label %10

9:                                                ; preds = %5
  tail call void @free(ptr noundef nonnull %4) #6
  br label %12

10:                                               ; preds = %5
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(8192) %7, ptr noundef nonnull align 1 dereferenceable(8192) %0, i64 8192, i1 false)
  %11 = tail call i32 @bitset_container_compute_cardinality(ptr noundef nonnull %4)
  store i32 %11, ptr %4, align 8, !tbaa !11
  br label %12

12:                                               ; preds = %3, %10, %2, %9
  %.0 = phi ptr [ null, %9 ], [ null, %2 ], [ %4, %10 ], [ null, %3 ]
  ret ptr %.0
}

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { inlinehint 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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { nounwind allocsize(0) }
attributes #6 = { 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 8}
!6 = !{!"bitset_container_s", !7, i64 0, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 0}


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