; 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"

@.str.2 = external hidden unnamed_addr constant [6 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 uwtable
declare dso_local void @die(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @save(i32 noundef %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  store i64 %2, ptr %6, align 8, !tbaa !11
  br label %8

8:                                                ; preds = %19, %3
  %9 = load i64, ptr %6, align 8, !tbaa !11
  %10 = icmp ugt i64 %9, 0
  br i1 %10, label %11, label %26

11:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = load ptr, ptr %5, align 8, !tbaa !9
  %14 = load i64, ptr %6, align 8, !tbaa !11
  %15 = call i64 @write(i32 noundef %12, ptr noundef %13, i64 noundef %14)
  store i64 %15, ptr %7, align 8, !tbaa !11
  %16 = load i64, ptr %7, align 8, !tbaa !11
  %17 = icmp eq i64 %16, -1
  br i1 %17, label %18, label %19

18:                                               ; preds = %11
  call void @die(ptr noundef @.str.2)
  br label %19

19:                                               ; preds = %18, %11
  %20 = load i64, ptr %7, align 8, !tbaa !11
  %21 = load ptr, ptr %5, align 8, !tbaa !9
  %22 = getelementptr inbounds i8, ptr %21, i64 %20
  store ptr %22, ptr %5, align 8, !tbaa !9
  %23 = load i64, ptr %7, align 8, !tbaa !11
  %24 = load i64, ptr %6, align 8, !tbaa !11
  %25 = sub i64 %24, %23
  store i64 %25, ptr %6, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %8, !llvm.loop !13

26:                                               ; preds = %8
  ret void
}

declare i64 @write(i32 noundef, ptr 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 = { "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 = !{!"int", !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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @die(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @save(i32 noundef %0, ptr nocapture noundef readonly %1, i64 noundef %2) local_unnamed_addr #0 {
  %.not9 = icmp eq i64 %2, 0
  br i1 %.not9, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %7
  %.011 = phi ptr [ %8, %7 ], [ %1, %3 ]
  %.0810 = phi i64 [ %9, %7 ], [ %2, %3 ]
  %4 = tail call i64 @write(i32 noundef %0, ptr noundef %.011, i64 noundef %.0810) #2
  %5 = icmp eq i64 %4, -1
  br i1 %5, label %6, label %7

6:                                                ; preds = %.lr.ph
  tail call void @die(ptr noundef nonnull @.str.2)
  br label %7

7:                                                ; preds = %6, %.lr.ph
  %8 = getelementptr inbounds i8, ptr %.011, i64 %4
  %9 = sub i64 %.0810, %4
  %.not = icmp eq i64 %9, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

._crit_edge:                                      ; preds = %7, %3
  ret void
}

; Function Attrs: nofree
declare noundef i64 @write(i32 noundef, ptr nocapture noundef readonly, 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 = { nofree "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,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass