; LLVM IR from jermp/2i_bench :: external/CRoaring/benchmarks (frozen_benchmark)

; 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"

@stderr = external global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [25 x i8], align 1

; 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
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #2

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

12:                                               ; preds = %51, %3
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %54

17:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  store i64 0, ptr %9, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds ptr, ptr %18, i64 %20
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  %23 = call ptr @read_integer_file(ptr noundef %22, ptr noundef %9)
  store ptr %23, ptr %10, align 8, !tbaa !5
  %24 = load i64, ptr %9, align 8, !tbaa !11
  %25 = icmp eq i64 %24, 0
  br i1 %25, label %26, label %34

26:                                               ; preds = %17
  %27 = load ptr, ptr @stderr, align 8, !tbaa !5
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load i32, ptr %7, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds ptr, ptr %28, i64 %30
  %32 = load ptr, ptr %31, align 8, !tbaa !5
  %33 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %27, ptr noundef @.str.3, ptr noundef %32) #5
  call void @exit(i32 noundef 1) #6
  unreachable

34:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  store i64 0, ptr %11, align 8, !tbaa !11
  br label %35

35:                                               ; preds = %46, %34
  %36 = load i64, ptr %11, align 8, !tbaa !11
  %37 = load i64, ptr %9, align 8, !tbaa !11
  %38 = icmp ult i64 %36, %37
  br i1 %38, label %40, label %39

39:                                               ; preds = %35
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %49

40:                                               ; preds = %35
  %41 = load ptr, ptr %4, align 8, !tbaa !5
  %42 = load ptr, ptr %10, align 8, !tbaa !5
  %43 = load i64, ptr %11, align 8, !tbaa !11
  %44 = getelementptr inbounds i32, ptr %42, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !9
  call void @roaring_bitmap_add(ptr noundef %41, i32 noundef %45)
  br label %46

46:                                               ; preds = %40
  %47 = load i64, ptr %11, align 8, !tbaa !11
  %48 = add i64 %47, 1
  store i64 %48, ptr %11, align 8, !tbaa !11
  br label %35, !llvm.loop !13

49:                                               ; preds = %39
  %50 = load ptr, ptr %10, align 8, !tbaa !5
  call void @free(ptr noundef %50) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %51

51:                                               ; preds = %49
  %52 = load i32, ptr %7, align 4, !tbaa !9
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %7, align 4, !tbaa !9
  br label %12, !llvm.loop !15

54:                                               ; preds = %16
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden ptr @read_integer_file(ptr noundef, ptr noundef) #3

declare void @roaring_bitmap_add(ptr noundef, i32 noundef) #4

; Function Attrs: nounwind
declare void @free(ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #4 = { "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 }
attributes #6 = { noreturn 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, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [25 x i8], align 1

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

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

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @populate(ptr noundef %0, i32 noundef %1, ptr nocapture noundef readonly %2) local_unnamed_addr #3 {
  %4 = alloca i64, align 8
  %5 = icmp sgt i32 %1, 0
  br i1 %5, label %.lr.ph17.preheader, label %._crit_edge18

.lr.ph17.preheader:                               ; preds = %3
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph17

._crit_edge18:                                    ; preds = %._crit_edge, %3
  ret void

.lr.ph17:                                         ; preds = %.lr.ph17.preheader, %._crit_edge
  %indvars.iv = phi i64 [ 0, %.lr.ph17.preheader ], [ %indvars.iv.next, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  store i64 0, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds ptr, ptr %2, i64 %indvars.iv
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = call ptr @read_integer_file(ptr noundef %7, ptr noundef nonnull %4)
  %9 = load i64, ptr %4, align 8, !tbaa !5
  %10 = icmp eq i64 %9, 0
  br i1 %10, label %11, label %.lr.ph

11:                                               ; preds = %.lr.ph17
  %12 = getelementptr inbounds ptr, ptr %2, i64 %indvars.iv
  %13 = load ptr, ptr @stderr, align 8, !tbaa !9
  %14 = load ptr, ptr %12, align 8, !tbaa !9
  %15 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %13, ptr noundef nonnull @.str.3, ptr noundef %14) #7
  call void @exit(i32 noundef 1) #8
  unreachable

._crit_edge:                                      ; preds = %.lr.ph
  call void @free(ptr noundef nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge18, label %.lr.ph17, !llvm.loop !11

.lr.ph:                                           ; preds = %.lr.ph17, %.lr.ph
  %.013 = phi i64 [ %18, %.lr.ph ], [ 0, %.lr.ph17 ]
  %16 = getelementptr inbounds i32, ptr %8, i64 %.013
  %17 = load i32, ptr %16, align 4, !tbaa !13
  call void @roaring_bitmap_add(ptr noundef %0, i32 noundef %17) #6
  %18 = add nuw i64 %.013, 1
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = icmp ult i64 %18, %19
  br i1 %20, label %.lr.ph, label %._crit_edge, !llvm.loop !15
}

; Function Attrs: nounwind uwtable
declare hidden ptr @read_integer_file(ptr noundef, ptr noundef) local_unnamed_addr #3

declare void @roaring_bitmap_add(ptr noundef, i32 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #5

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nofree 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 #2 = { 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 #3 = { 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 #4 = { "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 = { 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 #6 = { nounwind }
attributes #7 = { cold nounwind }
attributes #8 = { noreturn 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = distinct !{!15, !12}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SCCPPass,SROAPass,SimplifyCFGPass