; LLVM IR from pupnp/pupnp :: ixml/src (document)

; 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._IXML_ATTR = type { %struct._IXML_Node, i32, ptr }
%struct._IXML_Node = type { ptr, ptr, i32, ptr, ptr, ptr, i32, ptr, ptr, ptr, ptr, ptr, 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
declare noalias ptr @strdup(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @ixmlDocument_createAttributeEx(ptr noundef %0, ptr noundef %1, ptr noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  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 8, ptr %7) #5
  store ptr null, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !9
  %9 = call noalias ptr @malloc(i64 noundef 120) #6
  store ptr %9, ptr %7, align 8, !tbaa !5
  %10 = load ptr, ptr %7, align 8, !tbaa !5
  %11 = icmp eq ptr %10, null
  br i1 %11, label %12, label %13

12:                                               ; preds = %3
  store i32 102, ptr %8, align 4, !tbaa !9
  br label %43

13:                                               ; preds = %3
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %19, label %16

16:                                               ; preds = %13
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = icmp eq ptr %17, null
  br i1 %18, label %19, label %21

19:                                               ; preds = %16, %13
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  call void @ixmlAttr_free(ptr noundef %20)
  store ptr null, ptr %7, align 8, !tbaa !5
  store i32 105, ptr %8, align 4, !tbaa !9
  br label %43

21:                                               ; preds = %16
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  call void @ixmlAttr_init(ptr noundef %22)
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct._IXML_ATTR, ptr %23, i32 0, i32 0
  %25 = getelementptr inbounds %struct._IXML_Node, ptr %24, i32 0, i32 2
  store i32 2, ptr %25, align 8, !tbaa !11
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = call noalias ptr @strdup(ptr noundef %26) #5
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct._IXML_ATTR, ptr %28, i32 0, i32 0
  %30 = getelementptr inbounds %struct._IXML_Node, ptr %29, i32 0, i32 0
  store ptr %27, ptr %30, align 8, !tbaa !14
  %31 = load ptr, ptr %7, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct._IXML_ATTR, ptr %31, i32 0, i32 0
  %33 = getelementptr inbounds %struct._IXML_Node, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !14
  %35 = icmp eq ptr %34, null
  br i1 %35, label %36, label %38

36:                                               ; preds = %21
  %37 = load ptr, ptr %7, align 8, !tbaa !5
  call void @ixmlAttr_free(ptr noundef %37)
  store ptr null, ptr %7, align 8, !tbaa !5
  store i32 102, ptr %8, align 4, !tbaa !9
  br label %43

38:                                               ; preds = %21
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = load ptr, ptr %7, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct._IXML_ATTR, ptr %40, i32 0, i32 0
  %42 = getelementptr inbounds %struct._IXML_Node, ptr %41, i32 0, i32 12
  store ptr %39, ptr %42, align 8, !tbaa !15
  br label %43

43:                                               ; preds = %38, %36, %19, %12
  %44 = load ptr, ptr %7, align 8, !tbaa !5
  %45 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %44, ptr %45, align 8, !tbaa !5
  %46 = load i32, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  ret i32 %46
}

declare void @ixmlAttr_free(ptr noundef) #4

declare void @ixmlAttr_init(ptr noundef) #4

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 "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 = { "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 #5 = { nounwind }
attributes #6 = { 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, !10, i64 16}
!12 = !{!"_IXML_ATTR", !13, i64 0, !10, i64 104, !6, i64 112}
!13 = !{!"_IXML_Node", !6, i64 0, !6, i64 8, !10, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !10, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96}
!14 = !{!12, !6, i64 0}
!15 = !{!12, !6, i64 96}


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

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 106) i32 @ixmlDocument_createAttributeEx(ptr noundef %0, ptr noundef readonly %1, ptr nocapture noundef writeonly %2) local_unnamed_addr #2 {
  %4 = tail call noalias dereferenceable_or_null(120) ptr @malloc(i64 noundef 120) #4
  %5 = icmp eq ptr %4, null
  br i1 %5, label %17, label %6

6:                                                ; preds = %3
  %7 = icmp eq ptr %0, null
  %8 = icmp eq ptr %1, null
  %or.cond = or i1 %7, %8
  br i1 %or.cond, label %9, label %10

9:                                                ; preds = %6
  tail call void @ixmlAttr_free(ptr noundef nonnull %4) #5
  br label %17

10:                                               ; preds = %6
  tail call void @ixmlAttr_init(ptr noundef nonnull %4) #5
  %11 = getelementptr inbounds i8, ptr %4, i64 16
  store i32 2, ptr %11, align 8, !tbaa !5
  %12 = tail call noalias ptr @strdup(ptr noundef nonnull %1) #5
  store ptr %12, ptr %4, align 8, !tbaa !12
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %15

14:                                               ; preds = %10
  tail call void @ixmlAttr_free(ptr noundef nonnull %4) #5
  br label %17

15:                                               ; preds = %10
  %16 = getelementptr inbounds i8, ptr %4, i64 96
  store ptr %0, ptr %16, align 8, !tbaa !13
  br label %17

17:                                               ; preds = %3, %15, %14, %9
  %.015 = phi ptr [ null, %9 ], [ null, %14 ], [ %4, %15 ], [ null, %3 ]
  %.0 = phi i32 [ 105, %9 ], [ 102, %14 ], [ 0, %15 ], [ 102, %3 ]
  store ptr %.015, ptr %2, align 8, !tbaa !14
  ret i32 %.0
}

declare void @ixmlAttr_free(ptr noundef) local_unnamed_addr #3

declare void @ixmlAttr_init(ptr noundef) local_unnamed_addr #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 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 = { 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 = { "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 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, !11, i64 16}
!6 = !{!"_IXML_ATTR", !7, i64 0, !11, i64 104, !8, i64 112}
!7 = !{!"_IXML_Node", !8, i64 0, !8, i64 8, !11, i64 16, !8, i64 24, !8, i64 32, !8, i64 40, !11, i64 48, !8, i64 56, !8, i64 64, !8, i64 72, !8, i64 80, !8, i64 88, !8, i64 96}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!6, !8, i64 0}
!13 = !{!6, !8, i64 96}
!14 = !{!8, !8, i64 0}


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