; LLVM IR from HiroIshida/tinyfk :: urdf_parser/tinyxml/tinyxml.ll (ZNK13TiXmlDocument5PrintEP8_IO_FILEi)

; 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"

@.str.2 = external hidden unnamed_addr constant [83 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.20 = external hidden unnamed_addr constant [2 x i8], align 1
@__PRETTY_FUNCTION__._ZNK13TiXmlDocument5PrintEP8_IO_FILEi = external hidden unnamed_addr constant [53 x i8], align 1

; 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: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9TiXmlNode10FirstChildEv(ptr noundef nonnull align 8 dereferenceable(104)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9TiXmlNode11NextSiblingEv(ptr noundef nonnull align 8 dereferenceable(104)) #2 align 2

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK13TiXmlDocument5PrintEP8_IO_FILEi(ptr noundef nonnull align 8 dereferenceable(157) %0, ptr noundef %1, i32 noundef %2) unnamed_addr #4 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %8 = load ptr, ptr %4, align 8
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %12

11:                                               ; preds = %3
  br label %14

12:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str.13, ptr noundef @.str.2, i32 noundef 1147, ptr noundef @__PRETTY_FUNCTION__._ZNK13TiXmlDocument5PrintEP8_IO_FILEi) #5
  unreachable

13:                                               ; No predecessors!
  br label %14

14:                                               ; preds = %13, %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %15 = call noundef ptr @_ZNK9TiXmlNode10FirstChildEv(ptr noundef nonnull align 8 dereferenceable(104) %8)
  store ptr %15, ptr %7, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %29, %14
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %20, label %19

19:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %32

20:                                               ; preds = %16
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = load i32, ptr %6, align 4, !tbaa !9
  %24 = load ptr, ptr %21, align 8, !tbaa !11
  %25 = getelementptr inbounds ptr, ptr %24, i64 2
  %26 = load ptr, ptr %25, align 8
  call void %26(ptr noundef nonnull align 8 dereferenceable(24) %21, ptr noundef %22, i32 noundef %23)
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %27, ptr noundef @.str.20) #6
  br label %29

29:                                               ; preds = %20
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = call noundef ptr @_ZNK9TiXmlNode11NextSiblingEv(ptr noundef nonnull align 8 dereferenceable(104) %30)
  store ptr %31, ptr %7, align 8, !tbaa !5
  br label %16, !llvm.loop !13

32:                                               ; preds = %19
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress 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 = { mustprogress 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 #5 = { noreturn nounwind }
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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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.2 = external hidden unnamed_addr constant [83 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.20 = external hidden unnamed_addr constant [2 x i8], align 1
@__PRETTY_FUNCTION__._ZNK13TiXmlDocument5PrintEP8_IO_FILEi = external hidden unnamed_addr constant [53 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: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9TiXmlNode10FirstChildEv(ptr noundef nonnull align 8 dereferenceable(104)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9TiXmlNode11NextSiblingEv(ptr noundef nonnull align 8 dereferenceable(104)) local_unnamed_addr #1 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK13TiXmlDocument5PrintEP8_IO_FILEi(ptr noundef nonnull align 8 dereferenceable(157) %0, ptr noundef %1, i32 noundef %2) unnamed_addr #3 align 2 {
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %4, label %5

4:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str.13, ptr noundef nonnull @.str.2, i32 noundef 1147, ptr noundef nonnull @__PRETTY_FUNCTION__._ZNK13TiXmlDocument5PrintEP8_IO_FILEi) #4
  unreachable

5:                                                ; preds = %3
  %6 = tail call noundef ptr @_ZNK9TiXmlNode10FirstChildEv(ptr noundef nonnull align 8 dereferenceable(104) %0)
  %.not89 = icmp eq ptr %6, null
  br i1 %.not89, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %5
  ret void

.lr.ph:                                           ; preds = %5, %.lr.ph
  %.010 = phi ptr [ %11, %.lr.ph ], [ %6, %5 ]
  %7 = load ptr, ptr %.010, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 16
  %9 = load ptr, ptr %8, align 8
  tail call void %9(ptr noundef nonnull align 8 dereferenceable(24) %.010, ptr noundef nonnull %1, i32 noundef %2)
  %10 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef nonnull %1, ptr noundef nonnull @.str.20) #5
  %11 = tail call noundef ptr @_ZNK9TiXmlNode11NextSiblingEv(ptr noundef nonnull align 8 dereferenceable(104) %.010)
  %.not8 = icmp eq ptr %11, null
  br i1 %.not8, label %._crit_edge, label %.lr.ph, !llvm.loop !8
}

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 = { mustprogress 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 = { nofree 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 = { mustprogress 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 = { noreturn nounwind }
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, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass