; LLVM IR from dmr-goncalves/HumanAwareRobotNavigation :: src/spencer_people_tracking/detection/laser_detectors/srl_laser_segmentation/src (clearheap)

; 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.fibheap = type { ptr, i32, i32, ptr, ptr, ptr, ptr, i8 }

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

; Function Attrs: nounwind uwtable
declare hidden void @fh_initheap(ptr noundef) #1

; 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
define dso_local void @fh_clearheap(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.fibheap, ptr %4, i32 0, i32 5
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = icmp ne ptr %6, null
  br i1 %7, label %8, label %12

8:                                                ; preds = %1
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.fibheap, ptr %9, i32 0, i32 5
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  call void @fh_recursive_delete(ptr noundef %11)
  br label %12

12:                                               ; preds = %8, %1
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.fibheap, ptr %13, i32 0, i32 3
  %15 = load ptr, ptr %14, align 8, !tbaa !12
  %16 = icmp ne ptr %15, null
  br i1 %16, label %17, label %21

17:                                               ; preds = %12
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.fibheap, ptr %18, i32 0, i32 3
  %20 = load ptr, ptr %19, align 8, !tbaa !12
  call void @free(ptr noundef %20) #3
  br label %21

21:                                               ; preds = %17, %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.fibheap, ptr %22, i32 0, i32 7
  %24 = load i8, ptr %23, align 8
  %25 = shl i8 %24, 7
  %26 = ashr i8 %25, 7
  %27 = sext i8 %26 to i32
  store i32 %27, ptr %3, align 4, !tbaa !13
  %28 = load ptr, ptr %2, align 8, !tbaa !5
  call void @fh_initheap(ptr noundef %28)
  %29 = load i32, ptr %3, align 4, !tbaa !13
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.fibheap, ptr %30, i32 0, i32 7
  %32 = trunc i32 %29 to i8
  %33 = load i8, ptr %31, align 8
  %34 = and i8 %32, 1
  %35 = and i8 %33, -2
  %36 = or i8 %35, %34
  store i8 %36, ptr %31, align 8
  %37 = shl i8 %34, 7
  %38 = ashr i8 %37, 7
  %39 = sext i8 %38 to i32
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @fh_recursive_delete(ptr noundef) #1

; Function Attrs: nounwind
declare void @free(ptr 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 = { 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 }

!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, !6, i64 32}
!10 = !{!"fibheap", !6, i64 0, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !11, i64 48}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 16}
!13 = !{!11, !11, 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 hidden void @fh_initheap(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @fh_clearheap(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %1
  tail call void @fh_recursive_delete(ptr noundef nonnull %3)
  br label %5

5:                                                ; preds = %4, %1
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  %7 = load ptr, ptr %6, align 8, !tbaa !11
  %.not8 = icmp eq ptr %7, null
  br i1 %.not8, label %9, label %8

8:                                                ; preds = %5
  tail call void @free(ptr noundef nonnull %7) #2
  br label %9

9:                                                ; preds = %8, %5
  %10 = getelementptr inbounds i8, ptr %0, i64 48
  %11 = load i8, ptr %10, align 8
  tail call void @fh_initheap(ptr noundef nonnull %0)
  %12 = load i8, ptr %10, align 8
  %13 = and i8 %11, 1
  %14 = and i8 %12, -2
  %15 = or disjoint i8 %14, %13
  store i8 %15, ptr %10, align 8
  ret void
}

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

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture 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 = { 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 #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 = !{!6, !7, i64 32}
!6 = !{!"fibheap", !7, i64 0, !10, i64 8, !10, i64 12, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !10, i64 48}
!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 16}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass