; 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"

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

declare void @roaring_bitmap_free(ptr noundef) #1

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

declare ptr @roaring_bitmap_create() #1

declare void @roaring_bitmap_add(ptr noundef, i32 noundef) #1

declare void @roaring_bitmap_flip_inplace(ptr noundef, i64 noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @test_flip_array_container_removal() #2 {
  %1 = alloca ptr, align 8
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #3
  %3 = call ptr @roaring_bitmap_create()
  store ptr %3, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 0, ptr %2, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %11, %0
  %5 = load i32, ptr %2, align 4, !tbaa !9
  %6 = icmp ult i32 %5, 100
  br i1 %6, label %8, label %7

7:                                                ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  br label %14

8:                                                ; preds = %4
  %9 = load ptr, ptr %1, align 8, !tbaa !5
  %10 = load i32, ptr %2, align 4, !tbaa !9
  call void @roaring_bitmap_add(ptr noundef %9, i32 noundef %10)
  br label %11

11:                                               ; preds = %8
  %12 = load i32, ptr %2, align 4, !tbaa !9
  %13 = add i32 %12, 1
  store i32 %13, ptr %2, align 4, !tbaa !9
  br label %4, !llvm.loop !11

14:                                               ; preds = %7
  %15 = load ptr, ptr %1, align 8, !tbaa !5
  call void @roaring_bitmap_flip_inplace(ptr noundef %15, i64 noundef 0, i64 noundef 100)
  %16 = load ptr, ptr %1, align 8, !tbaa !5
  call void @roaring_bitmap_free(ptr noundef %16)
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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"

declare void @roaring_bitmap_free(ptr noundef) local_unnamed_addr #0

declare ptr @roaring_bitmap_create() local_unnamed_addr #0

declare void @roaring_bitmap_add(ptr noundef, i32 noundef) local_unnamed_addr #0

declare void @roaring_bitmap_flip_inplace(ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @test_flip_array_container_removal() local_unnamed_addr #1 {
  %1 = tail call ptr @roaring_bitmap_create() #2
  br label %3

2:                                                ; preds = %3
  tail call void @roaring_bitmap_flip_inplace(ptr noundef %1, i64 noundef 0, i64 noundef 100) #2
  tail call void @roaring_bitmap_free(ptr noundef %1) #2
  ret void

3:                                                ; preds = %0, %3
  %.05 = phi i32 [ 0, %0 ], [ %4, %3 ]
  tail call void @roaring_bitmap_add(ptr noundef %1, i32 noundef %.05) #2
  %4 = add nuw nsw i32 %.05, 1
  %exitcond.not = icmp eq i32 %4, 100
  br i1 %exitcond.not, label %2, label %3, !llvm.loop !5
}

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 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass