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

; 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.rle16_s = type { i16, i16 }
%struct.run_container_s = type { i32, i32, ptr }
%struct.bitset_container_s = type { i32, ptr }

@.str = external hidden unnamed_addr constant [30 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [95 x i8], align 1
@__PRETTY_FUNCTION__.run_bitset_container_union = external hidden unnamed_addr constant [107 x i8], align 1

declare void @bitset_container_copy(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @run_bitset_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 %struct.rle16_s, align 2
  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
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = call zeroext i1 @run_container_is_full(ptr noundef %9)
  br i1 %10, label %12, label %11

11:                                               ; preds = %3
  br label %13

12:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 38, ptr noundef @__PRETTY_FUNCTION__.run_bitset_container_union) #6
  unreachable

13:                                               ; preds = %11
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = icmp ne ptr %14, %15
  br i1 %16, label %17, label %20

17:                                               ; preds = %13
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  call void @bitset_container_copy(ptr noundef %18, ptr noundef %19)
  br label %20

20:                                               ; preds = %17, %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %44, %20
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.run_container_s, ptr %23, i32 0, i32 0
  %25 = load i32, ptr %24, align 8, !tbaa !11
  %26 = icmp slt i32 %22, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %47

28:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.run_container_s, ptr %29, i32 0, i32 2
  %31 = load ptr, ptr %30, align 8, !tbaa !13
  %32 = load i32, ptr %7, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds %struct.rle16_s, ptr %31, i64 %33
  call void @llvm.memcpy.p0.p0.i64(ptr align 2 %8, ptr align 2 %34, i64 4, i1 false), !tbaa.struct !14
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.bitset_container_s, ptr %35, i32 0, i32 1
  %37 = load ptr, ptr %36, align 8, !tbaa !17
  %38 = getelementptr inbounds %struct.rle16_s, ptr %8, i32 0, i32 0
  %39 = load i16, ptr %38, align 2, !tbaa !19
  %40 = zext i16 %39 to i32
  %41 = getelementptr inbounds %struct.rle16_s, ptr %8, i32 0, i32 1
  %42 = load i16, ptr %41, align 2, !tbaa !21
  %43 = zext i16 %42 to i32
  call void @bitset_set_lenrange(ptr noundef %37, i32 noundef %40, i32 noundef %43)
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %44

44:                                               ; preds = %28
  %45 = load i32, ptr %7, align 4, !tbaa !9
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %7, align 4, !tbaa !9
  br label %21, !llvm.loop !22

47:                                               ; preds = %27
  %48 = load ptr, ptr %6, align 8, !tbaa !5
  %49 = call i32 @bitset_container_compute_cardinality(ptr noundef %48)
  %50 = load ptr, ptr %6, align 8, !tbaa !5
  %51 = getelementptr inbounds %struct.bitset_container_s, ptr %50, i32 0, i32 0
  store i32 %49, ptr %51, align 8, !tbaa !24
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @run_container_is_full(ptr noundef) #2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #4

; 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) #5

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @bitset_set_lenrange(ptr noundef, i32 noundef, i32 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

declare i32 @bitset_container_compute_cardinality(ptr noundef) #0

attributes #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 = { 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 = { noreturn 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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { noreturn nounwind }
attributes #7 = { 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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"run_container_s", !10, i64 0, !10, i64 4, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = !{i64 0, i64 2, !15, i64 2, i64 2, !15}
!15 = !{!16, !16, i64 0}
!16 = !{!"short", !7, i64 0}
!17 = !{!18, !6, i64 8}
!18 = !{!"bitset_container_s", !10, i64 0, !6, i64 8}
!19 = !{!20, !16, i64 0}
!20 = !{!"rle16_s", !16, i64 0, !16, i64 2}
!21 = !{!20, !16, i64 2}
!22 = distinct !{!22, !23}
!23 = !{!"llvm.loop.mustprogress"}
!24 = !{!18, !10, 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"

%struct.rle16_s = type { i16, i16 }

@.str = external hidden unnamed_addr constant [30 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [95 x i8], align 1
@__PRETTY_FUNCTION__.run_bitset_container_union = external hidden unnamed_addr constant [107 x i8], align 1

declare void @bitset_container_copy(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @run_bitset_container_union(ptr noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = tail call zeroext i1 @run_container_is_full(ptr noundef %0)
  br i1 %4, label %5, label %6

5:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 38, ptr noundef nonnull @__PRETTY_FUNCTION__.run_bitset_container_union) #4
  unreachable

6:                                                ; preds = %3
  %.not = icmp eq ptr %1, %2
  br i1 %.not, label %8, label %7

7:                                                ; preds = %6
  tail call void @bitset_container_copy(ptr noundef %1, ptr noundef %2) #5
  br label %8

8:                                                ; preds = %7, %6
  %9 = load i32, ptr %0, align 8, !tbaa !5
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %8
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  %12 = getelementptr inbounds i8, ptr %2, i64 8
  br label %14

._crit_edge:                                      ; preds = %14, %8
  %13 = tail call i32 @bitset_container_compute_cardinality(ptr noundef %2) #5
  store i32 %13, ptr %2, align 8, !tbaa !11
  ret void

14:                                               ; preds = %.lr.ph, %14
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %14 ]
  %15 = load ptr, ptr %11, align 8, !tbaa !13
  %16 = getelementptr inbounds %struct.rle16_s, ptr %15, i64 %indvars.iv
  %.sroa.0.0.copyload = load i16, ptr %16, align 2, !tbaa !14
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %16, i64 2
  %.sroa.4.0.copyload = load i16, ptr %.sroa.4.0..sroa_idx, align 2, !tbaa !14
  %17 = load ptr, ptr %12, align 8, !tbaa !16
  %18 = zext i16 %.sroa.0.0.copyload to i32
  %19 = zext i16 %.sroa.4.0.copyload to i32
  tail call void @bitset_set_lenrange(ptr noundef %17, i32 noundef %18, i32 noundef %19)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %20 = load i32, ptr %0, align 8, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = icmp slt i64 %indvars.iv.next, %21
  br i1 %22, label %14, label %._crit_edge, !llvm.loop !17
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @run_container_is_full(ptr noundef) local_unnamed_addr #2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @bitset_set_lenrange(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #2

declare i32 @bitset_container_compute_cardinality(ptr noundef) local_unnamed_addr #0

attributes #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 = { 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 = { noreturn 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 = { noreturn nounwind }
attributes #5 = { 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 = !{!"run_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 = !{!12, !7, i64 0}
!12 = !{!"bitset_container_s", !7, i64 0, !10, i64 8}
!13 = !{!6, !10, i64 8}
!14 = !{!15, !15, i64 0}
!15 = !{!"short", !8, i64 0}
!16 = !{!12, !10, i64 8}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


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