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

; 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_membuf = type { ptr, i64, i64, i64 }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [67 x i8], align 1
@__PRETTY_FUNCTION__.ixml_membuf_assign = external hidden unnamed_addr constant [60 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @ixml_membuf_destroy(ptr noundef) #1

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

12:                                               ; preds = %3
  br label %14

13:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 127, ptr noundef @__PRETTY_FUNCTION__.ixml_membuf_assign) #5
  unreachable

14:                                               ; preds = %12
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = icmp eq ptr %15, null
  br i1 %16, label %17, label %19

17:                                               ; preds = %14
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  call void @ixml_membuf_destroy(ptr noundef %18)
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %41

19:                                               ; preds = %14
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = load i64, ptr %7, align 8, !tbaa !9
  %22 = call i32 @ixml_membuf_set_size(ptr noundef %20, i64 noundef %21)
  store i32 %22, ptr %8, align 4, !tbaa !11
  %23 = load i32, ptr %8, align 4, !tbaa !11
  %24 = icmp ne i32 %23, 0
  br i1 %24, label %25, label %27

25:                                               ; preds = %19
  %26 = load i32, ptr %8, align 4, !tbaa !11
  store i32 %26, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %41

27:                                               ; preds = %19
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.ixml_membuf, ptr %28, i32 0, i32 0
  %30 = load ptr, ptr %29, align 8, !tbaa !13
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  %32 = load i64, ptr %7, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %30, ptr align 1 %31, i64 %32, i1 false)
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.ixml_membuf, ptr %33, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8, !tbaa !13
  %36 = load i64, ptr %7, align 8, !tbaa !9
  %37 = getelementptr inbounds i8, ptr %35, i64 %36
  store i8 0, ptr %37, align 1, !tbaa !15
  %38 = load i64, ptr %7, align 8, !tbaa !9
  %39 = load ptr, ptr %5, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.ixml_membuf, ptr %39, i32 0, i32 1
  store i64 %38, ptr %40, align 8, !tbaa !16
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %41

41:                                               ; preds = %27, %25, %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  %42 = load i32, ptr %4, align 4
  ret i32 %42
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind uwtable
declare hidden i32 @ixml_membuf_set_size(ptr noundef, i64 noundef) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { noreturn 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nounwind }
attributes #5 = { noreturn 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, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !6, i64 0}
!14 = !{!"", !6, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!15 = !{!7, !7, i64 0}
!16 = !{!14, !10, i64 8}


; 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"

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [67 x i8], align 1
@__PRETTY_FUNCTION__.ixml_membuf_assign = external hidden unnamed_addr constant [60 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @ixml_membuf_destroy(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local i32 @ixml_membuf_assign(ptr noundef %0, ptr noundef readonly %1, i64 noundef %2) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %4, label %5

4:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 127, ptr noundef nonnull @__PRETTY_FUNCTION__.ixml_membuf_assign) #3
  unreachable

5:                                                ; preds = %3
  %6 = icmp eq ptr %1, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %5
  tail call void @ixml_membuf_destroy(ptr noundef nonnull %0)
  br label %15

8:                                                ; preds = %5
  %9 = tail call i32 @ixml_membuf_set_size(ptr noundef nonnull %0, i64 noundef %2)
  %.not17 = icmp eq i32 %9, 0
  br i1 %.not17, label %10, label %15

10:                                               ; preds = %8
  %11 = load ptr, ptr %0, align 8, !tbaa !5
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 %11, ptr nonnull align 1 %1, i64 %2, i1 false)
  %12 = load ptr, ptr %0, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %12, i64 %2
  store i8 0, ptr %13, align 1, !tbaa !11
  %14 = getelementptr inbounds i8, ptr %0, i64 8
  store i64 %2, ptr %14, align 8, !tbaa !12
  br label %15

15:                                               ; preds = %8, %10, %7
  %.0 = phi i32 [ 0, %7 ], [ 0, %10 ], [ %9, %8 ]
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare hidden i32 @ixml_membuf_set_size(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

attributes #0 = { noreturn 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 #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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { noreturn 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 = !{!"", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!8, !8, i64 0}
!12 = !{!6, !10, i64 8}


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