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

; 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.array_container_s = type { 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: nounwind uwtable
declare dso_local void @array_container_grow(ptr noundef, i32 noundef, i1 noundef zeroext) #1

; Function Attrs: nounwind uwtable
define dso_local void @array_container_union(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.array_container_s, ptr %10, i32 0, i32 0
  %12 = load i32, ptr %11, align 8, !tbaa !9
  store i32 %12, ptr %7, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.array_container_s, ptr %13, i32 0, i32 0
  %15 = load i32, ptr %14, align 8, !tbaa !9
  store i32 %15, ptr %8, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %16 = load i32, ptr %7, align 4, !tbaa !12
  %17 = load i32, ptr %8, align 4, !tbaa !12
  %18 = add nsw i32 %16, %17
  store i32 %18, ptr %9, align 4, !tbaa !12
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.array_container_s, ptr %19, i32 0, i32 1
  %21 = load i32, ptr %20, align 4, !tbaa !13
  %22 = load i32, ptr %9, align 4, !tbaa !12
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %24, label %27

24:                                               ; preds = %3
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = load i32, ptr %9, align 4, !tbaa !12
  call void @array_container_grow(ptr noundef %25, i32 noundef %26, i1 noundef zeroext false)
  br label %27

27:                                               ; preds = %24, %3
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.array_container_s, ptr %28, i32 0, i32 2
  %30 = load ptr, ptr %29, align 8, !tbaa !14
  %31 = load i32, ptr %7, align 4, !tbaa !12
  %32 = sext i32 %31 to i64
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.array_container_s, ptr %33, i32 0, i32 2
  %35 = load ptr, ptr %34, align 8, !tbaa !14
  %36 = load i32, ptr %8, align 4, !tbaa !12
  %37 = sext i32 %36 to i64
  %38 = load ptr, ptr %6, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.array_container_s, ptr %38, i32 0, i32 2
  %40 = load ptr, ptr %39, align 8, !tbaa !14
  %41 = call i64 @fast_union_uint16(ptr noundef %30, i64 noundef %32, ptr noundef %35, i64 noundef %37, ptr noundef %40)
  %42 = trunc i64 %41 to i32
  %43 = load ptr, ptr %6, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.array_container_s, ptr %43, i32 0, i32 0
  store i32 %42, ptr %44, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret void
}

declare i64 @fast_union_uint16(ptr noundef, i64 noundef, ptr noundef, i64 noundef, ptr noundef) #2

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 = { "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 }

!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, !11, i64 0}
!10 = !{!"array_container_s", !11, i64 0, !11, i64 4, !6, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !11, i64 4}
!14 = !{!10, !6, i64 8}


; 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 dso_local void @array_container_grow(ptr noundef, i32 noundef, i1 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @array_container_union(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = load i32, ptr %0, align 8, !tbaa !5
  %5 = load i32, ptr %1, align 8, !tbaa !5
  %6 = add nsw i32 %5, %4
  %7 = getelementptr inbounds i8, ptr %2, i64 4
  %8 = load i32, ptr %7, align 4, !tbaa !11
  %9 = icmp slt i32 %8, %6
  br i1 %9, label %10, label %11

10:                                               ; preds = %3
  tail call void @array_container_grow(ptr noundef nonnull %2, i32 noundef %6, i1 noundef zeroext false)
  br label %11

11:                                               ; preds = %10, %3
  %12 = getelementptr inbounds i8, ptr %0, i64 8
  %13 = load ptr, ptr %12, align 8, !tbaa !12
  %14 = sext i32 %4 to i64
  %15 = getelementptr inbounds i8, ptr %1, i64 8
  %16 = load ptr, ptr %15, align 8, !tbaa !12
  %17 = sext i32 %5 to i64
  %18 = getelementptr inbounds i8, ptr %2, i64 8
  %19 = load ptr, ptr %18, align 8, !tbaa !12
  %20 = tail call i64 @fast_union_uint16(ptr noundef %13, i64 noundef %14, ptr noundef %16, i64 noundef %17, ptr noundef %19) #2
  %21 = trunc i64 %20 to i32
  store i32 %21, ptr %2, align 8, !tbaa !5
  ret void
}

declare i64 @fast_union_uint16(ptr noundef, i64 noundef, ptr noundef, i64 noundef, 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, !7, i64 0}
!6 = !{!"array_container_s", !7, i64 0, !7, i64 4, !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 4}
!12 = !{!6, !10, i64 8}


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