; LLVM IR from jermp/2i_bench :: external/CRoaring/tests (toplevel_unit)

; 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.sbs_s = type { ptr, ptr, 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: nounwind uwtable
declare dso_local void @sbs_ensure_room(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @sbs_remove_range(ptr noundef %0, i64 noundef %1, i64 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store i64 %2, ptr %6, align 8, !tbaa !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = load i64, ptr %6, align 8, !tbaa !9
  %10 = trunc i64 %9 to i32
  call void @sbs_ensure_room(ptr noundef %8, i32 noundef %10)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %11 = load i64, ptr %5, align 8, !tbaa !9
  store i64 %11, ptr %7, align 8, !tbaa !9
  br label %12

12:                                               ; preds = %30, %3
  %13 = load i64, ptr %7, align 8, !tbaa !9
  %14 = load i64, ptr %6, align 8, !tbaa !9
  %15 = icmp ule i64 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %33

17:                                               ; preds = %12
  %18 = load i64, ptr %7, align 8, !tbaa !9
  %19 = urem i64 %18, 64
  %20 = shl i64 1, %19
  %21 = xor i64 %20, -1
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.sbs_s, ptr %22, i32 0, i32 1
  %24 = load ptr, ptr %23, align 8, !tbaa !11
  %25 = load i64, ptr %7, align 8, !tbaa !9
  %26 = udiv i64 %25, 64
  %27 = getelementptr inbounds i64, ptr %24, i64 %26
  %28 = load i64, ptr %27, align 8, !tbaa !9
  %29 = and i64 %28, %21
  store i64 %29, ptr %27, align 8, !tbaa !9
  br label %30

30:                                               ; preds = %17
  %31 = load i64, ptr %7, align 8, !tbaa !9
  %32 = add i64 %31, 1
  store i64 %32, ptr %7, align 8, !tbaa !9
  br label %12, !llvm.loop !14

33:                                               ; preds = %16
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.sbs_s, ptr %34, i32 0, i32 0
  %36 = load ptr, ptr %35, align 8, !tbaa !16
  %37 = load i64, ptr %5, align 8, !tbaa !9
  %38 = load i64, ptr %6, align 8, !tbaa !9
  %39 = add i64 %38, 1
  call void @roaring_bitmap_remove_range(ptr noundef %36, i64 noundef %37, i64 noundef %39)
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare void @roaring_bitmap_remove_range(ptr noundef, i64 noundef, i64 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 = { 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 }

!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 = !{!"sbs_s", !6, i64 0, !6, i64 8, !13, i64 16}
!13 = !{!"int", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!12, !6, 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 dso_local void @sbs_ensure_room(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @sbs_remove_range(ptr noundef %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = trunc i64 %2 to i32
  tail call void @sbs_ensure_room(ptr noundef %0, i32 noundef %4)
  %.not12 = icmp ugt i64 %1, %2
  br i1 %.not12, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  br label %9

._crit_edge:                                      ; preds = %9, %3
  %7 = load ptr, ptr %0, align 8, !tbaa !11
  %8 = add nuw i64 %2, 1
  tail call void @roaring_bitmap_remove_range(ptr noundef %7, i64 noundef %1, i64 noundef %8)
  ret void

9:                                                ; preds = %.lr.ph, %9
  %.013 = phi i64 [ %1, %.lr.ph ], [ %17, %9 ]
  %10 = and i64 %.013, 63
  %11 = shl nuw i64 1, %10
  %12 = xor i64 %11, -1
  %13 = lshr i64 %.013, 6
  %14 = getelementptr inbounds i64, ptr %6, i64 %13
  %15 = load i64, ptr %14, align 8, !tbaa !12
  %16 = and i64 %15, %12
  store i64 %16, ptr %14, align 8, !tbaa !12
  %17 = add i64 %.013, 1
  %.not = icmp ugt i64 %17, %2
  br i1 %.not, label %._crit_edge, label %9, !llvm.loop !14
}

; Function Attrs: inlinehint nounwind uwtable
declare void @roaring_bitmap_remove_range(ptr noundef, i64 noundef, i64 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 = { 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" }

!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 8}
!6 = !{!"sbs_s", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !8, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass