; LLVM IR from ohler55/agoo :: ext/agoo (page)

; 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._agooPage = type { ptr, ptr, i64, double, i8 }

; 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 void @free(ptr noundef) #1

; Function Attrs: nounwind
declare noalias ptr @strdup(ptr noundef) #1

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @agoo_page_create(ptr noundef %0) #3 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %6 = call noalias ptr @malloc(i64 noundef 40) #5
  store ptr %6, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = icmp ne ptr null, %7
  br i1 %8, label %9, label %33

9:                                                ; preds = %1
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct._agooPage, ptr %10, i32 0, i32 0
  store ptr null, ptr %11, align 8, !tbaa !9
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = icmp eq ptr null, %12
  br i1 %13, label %14, label %17

14:                                               ; preds = %9
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct._agooPage, ptr %15, i32 0, i32 1
  store ptr null, ptr %16, align 8, !tbaa !14
  br label %26

17:                                               ; preds = %9
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = call noalias ptr @strdup(ptr noundef %18) #4
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct._agooPage, ptr %20, i32 0, i32 1
  store ptr %19, ptr %21, align 8, !tbaa !14
  %22 = icmp eq ptr null, %19
  br i1 %22, label %23, label %25

23:                                               ; preds = %17
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  call void @free(ptr noundef %24) #4
  store ptr null, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %35

25:                                               ; preds = %17
  br label %26

26:                                               ; preds = %25, %14
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct._agooPage, ptr %27, i32 0, i32 2
  store i64 0, ptr %28, align 8, !tbaa !15
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct._agooPage, ptr %29, i32 0, i32 3
  store double 0.000000e+00, ptr %30, align 8, !tbaa !16
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct._agooPage, ptr %31, i32 0, i32 4
  store i8 0, ptr %32, align 8, !tbaa !17
  br label %33

33:                                               ; preds = %26, %1
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %34, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %35

35:                                               ; preds = %33, %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  %36 = load ptr, ptr %2, align 8
  ret ptr %36
}

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 = { 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 #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 = { 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, !6, i64 0}
!10 = !{!"_agooPage", !6, i64 0, !6, i64 8, !11, i64 16, !12, i64 24, !13, i64 32}
!11 = !{!"long", !7, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!"_Bool", !7, i64 0}
!14 = !{!10, !6, i64 8}
!15 = !{!10, !11, i64 16}
!16 = !{!10, !12, i64 24}
!17 = !{!10, !13, i64 32}


; 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 nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite)
declare noalias ptr @strdup(ptr nocapture noundef readonly) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn uwtable
define dso_local noalias noundef ptr @agoo_page_create(ptr noundef readonly %0) local_unnamed_addr #3 {
  %2 = tail call noalias dereferenceable_or_null(40) ptr @malloc(i64 noundef 40) #5
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %14, label %3

3:                                                ; preds = %1
  store ptr null, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %0, null
  br i1 %4, label %5, label %7

5:                                                ; preds = %3
  %6 = getelementptr inbounds i8, ptr %2, i64 8
  store ptr null, ptr %6, align 8, !tbaa !13
  br label %12

7:                                                ; preds = %3
  %8 = tail call noalias ptr @strdup(ptr noundef nonnull %0) #6
  %9 = getelementptr inbounds i8, ptr %2, i64 8
  store ptr %8, ptr %9, align 8, !tbaa !13
  %10 = icmp eq ptr %8, null
  br i1 %10, label %11, label %12

11:                                               ; preds = %7
  tail call void @free(ptr noundef nonnull %2) #6
  br label %14

12:                                               ; preds = %7, %5
  %13 = getelementptr inbounds i8, ptr %2, i64 16
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(17) %13, i8 0, i64 17, i1 false)
  br label %14

14:                                               ; preds = %1, %12, %11
  %.0 = phi ptr [ null, %11 ], [ %2, %12 ], [ null, %1 ]
  ret ptr %.0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

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


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass