; LLVM IR from bqi343/cp-notebook :: Implementations/content/graphs (12)/Advanced/DMOJdynamicTreeTest.ll (Z6getParP5snode)

; 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.snode = type <{ i32, i32, ptr, [5 x ptr], i8, [3 x i8], [2 x %struct.info], [2 x i32], [2 x i32], [4 x i8] }>
%struct.info = type { i32, i32, i32, i32 }

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z6getParP5snode(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  call void @_ZN5snode6accessEv(ptr noundef nonnull align 8 dereferenceable(108) %3)
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.snode, ptr %4, i32 0, i32 3
  %6 = getelementptr inbounds [5 x ptr], ptr %5, i64 0, i64 0
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %7, ptr %2, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %17, %1
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  call void @_ZN5snode4propEv(ptr noundef nonnull align 8 dereferenceable(108) %9)
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.snode, ptr %10, i32 0, i32 3
  %12 = getelementptr inbounds [5 x ptr], ptr %11, i64 0, i64 1
  %13 = load ptr, ptr %12, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %17, label %15

15:                                               ; preds = %8
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  ret ptr %16

17:                                               ; preds = %8
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.snode, ptr %18, i32 0, i32 3
  %20 = getelementptr inbounds [5 x ptr], ptr %19, i64 0, i64 1
  %21 = load ptr, ptr %20, align 8, !tbaa !5
  store ptr %21, ptr %2, align 8, !tbaa !5
  br label %8, !llvm.loop !9
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5snode6accessEv(ptr noundef nonnull align 8 dereferenceable(108)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5snode4propEv(ptr noundef nonnull align 8 dereferenceable(108)) #1 align 2

attributes #0 = { 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 #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" }

!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 = distinct !{!9, !10}
!10 = !{!"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"

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z6getParP5snode(ptr noundef nonnull %0) local_unnamed_addr #0 {
  tail call void @_ZN5snode6accessEv(ptr noundef nonnull align 8 dereferenceable(108) %0)
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  br label %4

4:                                                ; preds = %4, %1
  %.0 = phi ptr [ %3, %1 ], [ %6, %4 ]
  tail call void @_ZN5snode4propEv(ptr noundef nonnull align 8 dereferenceable(108) %.0)
  %5 = getelementptr inbounds i8, ptr %.0, i64 24
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %.not = icmp eq ptr %6, null
  br i1 %.not, label %7, label %4, !llvm.loop !9

7:                                                ; preds = %4
  ret ptr %.0
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5snode6accessEv(ptr noundef nonnull align 8 dereferenceable(108)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5snode4propEv(ptr noundef nonnull align 8 dereferenceable(108)) local_unnamed_addr #1 align 2

attributes #0 = { 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 #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" }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass