; LLVM IR from turi-code/SFrame :: cxxtest/cxxtest/RealDescriptions.ll (ZN7CxxTest20RealWorldDescription16activateAllTestsEv)

; 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"

; 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

declare void @_ZN7CxxTest4List11activateAllEv(ptr noundef nonnull align 8 dereferenceable(16)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN7CxxTest20RealWorldDescription6suitesEv() #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7CxxTest20RealWorldDescription16activateAllTestsEv(ptr noundef nonnull align 8 dereferenceable(25) %0) unnamed_addr #3 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZN7CxxTest20RealWorldDescription6suitesEv()
  call void @_ZN7CxxTest4List11activateAllEv(ptr noundef nonnull align 8 dereferenceable(16) %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %6 = load ptr, ptr %4, align 8, !tbaa !9
  %7 = getelementptr inbounds ptr, ptr %6, i64 6
  %8 = load ptr, ptr %7, align 8
  %9 = call noundef ptr %8(ptr noundef nonnull align 8 dereferenceable(25) %4)
  store ptr %9, ptr %3, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %19, %1
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %14, label %13

13:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %25

14:                                               ; preds = %10
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = getelementptr inbounds ptr, ptr %16, i64 12
  %18 = load ptr, ptr %17, align 8
  call void %18(ptr noundef nonnull align 8 dereferenceable(25) %15)
  br label %19

19:                                               ; preds = %14
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = load ptr, ptr %20, align 8, !tbaa !9
  %22 = getelementptr inbounds ptr, ptr %21, i64 10
  %23 = load ptr, ptr %22, align 8
  %24 = call noundef ptr %23(ptr noundef nonnull align 8 dereferenceable(25) %20)
  store ptr %24, ptr %3, align 8, !tbaa !5
  br label %10, !llvm.loop !11

25:                                               ; preds = %13
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 = { 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 = !{!"vtable pointer", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

declare void @_ZN7CxxTest4List11activateAllEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN7CxxTest20RealWorldDescription6suitesEv() local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7CxxTest20RealWorldDescription16activateAllTestsEv(ptr noundef nonnull align 8 dereferenceable(25) %0) unnamed_addr #2 align 2 {
  %2 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZN7CxxTest20RealWorldDescription6suitesEv()
  tail call void @_ZN7CxxTest4List11activateAllEv(ptr noundef nonnull align 8 dereferenceable(16) %2)
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %3, i64 48
  %5 = load ptr, ptr %4, align 8
  %6 = tail call noundef ptr %5(ptr noundef nonnull align 8 dereferenceable(25) %0)
  %.not4 = icmp eq ptr %6, null
  br i1 %.not4, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %1
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.05 = phi ptr [ %13, %.lr.ph ], [ %6, %1 ]
  %7 = load ptr, ptr %.05, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 96
  %9 = load ptr, ptr %8, align 8
  tail call void %9(ptr noundef nonnull align 8 dereferenceable(25) %.05)
  %10 = load ptr, ptr %.05, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %10, i64 80
  %12 = load ptr, ptr %11, align 8
  %13 = tail call noundef ptr %12(ptr noundef nonnull align 8 dereferenceable(25) %.05)
  %.not = icmp eq ptr %13, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !8
}

attributes #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" }
attributes #2 = { 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" }

!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