; LLVM IR from seppo0010/rlite :: src (page_list)

; 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.rl_list = type { i64, i64, ptr, i64, i64 }
%struct.rl_list_node = type { i64, i64, i64, ptr }

; 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 allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @rl_list_node_create(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %9 = call noalias ptr @malloc(i64 noundef 32) #5
  store ptr %9, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %8, align 8, !tbaa !5
  %11 = icmp ne ptr %10, null
  br i1 %11, label %13, label %12

12:                                               ; preds = %3
  store i32 4, ptr %7, align 4, !tbaa !9
  br label %35

13:                                               ; preds = %3
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.rl_list, ptr %14, i32 0, i32 0
  %16 = load i64, ptr %15, align 8, !tbaa !11
  %17 = mul i64 8, %16
  %18 = call noalias ptr @malloc(i64 noundef %17) #5
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.rl_list_node, ptr %19, i32 0, i32 3
  store ptr %18, ptr %20, align 8, !tbaa !14
  %21 = load ptr, ptr %8, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.rl_list_node, ptr %21, i32 0, i32 3
  %23 = load ptr, ptr %22, align 8, !tbaa !14
  %24 = icmp ne ptr %23, null
  br i1 %24, label %26, label %25

25:                                               ; preds = %13
  store i32 4, ptr %7, align 4, !tbaa !9
  br label %35

26:                                               ; preds = %13
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.rl_list_node, ptr %27, i32 0, i32 0
  store i64 0, ptr %28, align 8, !tbaa !16
  %29 = load ptr, ptr %8, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.rl_list_node, ptr %29, i32 0, i32 1
  store i64 0, ptr %30, align 8, !tbaa !17
  %31 = load ptr, ptr %8, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.rl_list_node, ptr %31, i32 0, i32 2
  store i64 0, ptr %32, align 8, !tbaa !18
  %33 = load ptr, ptr %8, align 8, !tbaa !5
  %34 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %33, ptr %34, align 8, !tbaa !5
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %35

35:                                               ; preds = %26, %25, %12
  %36 = load i32, ptr %7, align 4, !tbaa !9
  %37 = icmp ne i32 %36, 0
  br i1 %37, label %38, label %47

38:                                               ; preds = %35
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  %40 = icmp ne ptr %39, null
  br i1 %40, label %41, label %45

41:                                               ; preds = %38
  %42 = load ptr, ptr %8, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.rl_list_node, ptr %42, i32 0, i32 3
  %44 = load ptr, ptr %43, align 8, !tbaa !14
  call void @free(ptr noundef %44) #4
  br label %45

45:                                               ; preds = %41, %38
  %46 = load ptr, ptr %8, align 8, !tbaa !5
  call void @free(ptr noundef %46) #4
  br label %47

47:                                               ; preds = %45, %35
  %48 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret i32 %48
}

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(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 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 "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 = { nounwind }
attributes #5 = { nounwind allocsize(0) }

!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, !13, i64 0}
!12 = !{!"rl_list", !13, i64 0, !13, i64 8, !6, i64 16, !13, i64 24, !13, i64 32}
!13 = !{!"long", !7, i64 0}
!14 = !{!15, !6, i64 24}
!15 = !{!"rl_list_node", !13, i64 0, !13, i64 8, !13, i64 16, !6, i64 24}
!16 = !{!15, !13, i64 0}
!17 = !{!15, !13, i64 8}
!18 = !{!15, !13, i64 16}


; 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: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind willreturn uwtable
define dso_local range(i32 0, 5) i32 @rl_list_node_create(ptr nocapture noundef readnone %0, ptr nocapture noundef readonly %1, ptr nocapture noundef writeonly %2) local_unnamed_addr #1 {
  %4 = tail call noalias dereferenceable_or_null(32) ptr @malloc(i64 noundef 32) #4
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %.thread20, label %5

5:                                                ; preds = %3
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = shl i64 %6, 3
  %8 = tail call noalias ptr @malloc(i64 noundef %7) #4
  %9 = getelementptr inbounds i8, ptr %4, i64 24
  store ptr %8, ptr %9, align 8, !tbaa !11
  %.not14 = icmp eq ptr %8, null
  br i1 %.not14, label %.thread20, label %10

10:                                               ; preds = %5
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %4, i8 0, i64 24, i1 false)
  store ptr %4, ptr %2, align 8, !tbaa !13
  br label %11

.thread20:                                        ; preds = %5, %3
  tail call void @free(ptr noundef %4) #5
  br label %11

11:                                               ; preds = %10, %.thread20
  %.019 = phi i32 [ 4, %.thread20 ], [ 0, %10 ]
  ret i32 %.019
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(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 #1 = { mustprogress nounwind willreturn 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 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { nounwind allocsize(0) }
attributes #5 = { 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 0}
!6 = !{!"rl_list", !7, i64 0, !7, i64 8, !10, i64 16, !7, i64 24, !7, i64 32}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!12, !10, i64 24}
!12 = !{!"rl_list_node", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24}
!13 = !{!10, !10, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass