; LLVM IR from Softmotions/iowow :: src/utils (iwpool)

; 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.iwpool = type { i64, i64, ptr, ptr, ptr, i32, ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
declare dso_local ptr @iwpool_create(i64 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @iwpool_create_attach(ptr noundef %0, i64 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %8 = load i64, ptr %5, align 8, !tbaa !9
  %9 = call ptr @iwpool_create(i64 noundef %8)
  store ptr %9, ptr %6, align 8, !tbaa !5
  %10 = load ptr, ptr %6, align 8, !tbaa !5
  %11 = icmp ne ptr %10, null
  br i1 %11, label %12, label %15

12:                                               ; preds = %2
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %17, label %15

15:                                               ; preds = %12, %2
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %16, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %40

17:                                               ; preds = %12
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.iwpool, ptr %19, i32 0, i32 7
  store ptr %18, ptr %20, align 8, !tbaa !11
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.iwpool, ptr %21, i32 0, i32 8
  %23 = load ptr, ptr %22, align 8, !tbaa !14
  %24 = icmp ne ptr %23, null
  br i1 %24, label %29, label %25

25:                                               ; preds = %17
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.iwpool, ptr %27, i32 0, i32 8
  store ptr %26, ptr %28, align 8, !tbaa !14
  br label %38

29:                                               ; preds = %17
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.iwpool, ptr %30, i32 0, i32 8
  %32 = load ptr, ptr %31, align 8, !tbaa !14
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.iwpool, ptr %33, i32 0, i32 9
  store ptr %32, ptr %34, align 8, !tbaa !15
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.iwpool, ptr %36, i32 0, i32 8
  store ptr %35, ptr %37, align 8, !tbaa !14
  br label %38

38:                                               ; preds = %29, %25
  %39 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %39, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %40

40:                                               ; preds = %38, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %41 = load ptr, ptr %3, align 8
  ret ptr %41
}

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !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 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 56}
!12 = !{!"iwpool", !10, i64 0, !10, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !13, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !6, i64 64}
!15 = !{!12, !6, i64 72}


; 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 dso_local ptr @iwpool_create(i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @iwpool_create_attach(ptr noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = tail call ptr @iwpool_create(i64 noundef %1)
  %4 = icmp ne ptr %3, null
  %5 = icmp ne ptr %0, null
  %or.cond = and i1 %5, %4
  br i1 %or.cond, label %6, label %13

6:                                                ; preds = %2
  %7 = getelementptr inbounds i8, ptr %3, i64 56
  store ptr %0, ptr %7, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 64
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %12, label %10

10:                                               ; preds = %6
  %11 = getelementptr inbounds i8, ptr %3, i64 72
  store ptr %9, ptr %11, align 8, !tbaa !13
  br label %12

12:                                               ; preds = %6, %10
  store ptr %3, ptr %8, align 8, !tbaa !12
  br label %13

13:                                               ; preds = %2, %12
  ret ptr %3
}

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" }

!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, !10, i64 56}
!6 = !{!"iwpool", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !11, i64 40, !10, i64 48, !10, i64 56, !10, i64 64, !10, i64 72}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !10, i64 64}
!13 = !{!6, !10, i64 72}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass