; LLVM IR from gstonge/spreading_CR :: src/BinaryTree.ll (ZN3net10BinaryTree14get_leaf_indexEd)

; 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

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN3net10BinaryTree14get_leaf_indexEd(ptr noundef nonnull align 8 dereferenceable(96) %0, double noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !9
  %8 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store double 0.000000e+00, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %9 = call noundef double @_ZNK3net10BinaryTree9get_valueEv(ptr noundef nonnull align 8 dereferenceable(96) %8)
  store double %9, ptr %6, align 8, !tbaa !9
  br label %10

10:                                               ; preds = %26, %2
  %11 = call noundef zeroext i1 @_ZN3net10BinaryTree7is_leafEv(ptr noundef nonnull align 8 dereferenceable(96) %8)
  %12 = xor i1 %11, true
  br i1 %12, label %13, label %27

13:                                               ; preds = %10
  %14 = load double, ptr %4, align 8, !tbaa !9
  %15 = load double, ptr %5, align 8, !tbaa !9
  %16 = call noundef double @_ZNK3net10BinaryTree14get_value_leftEv(ptr noundef nonnull align 8 dereferenceable(96) %8)
  %17 = fadd double %15, %16
  %18 = load double, ptr %6, align 8, !tbaa !9
  %19 = fdiv double %17, %18
  %20 = fcmp ole double %14, %19
  br i1 %20, label %21, label %22

21:                                               ; preds = %13
  call void @_ZN3net10BinaryTree14move_down_leftEv(ptr noundef nonnull align 8 dereferenceable(96) %8)
  br label %26

22:                                               ; preds = %13
  %23 = call noundef double @_ZNK3net10BinaryTree14get_value_leftEv(ptr noundef nonnull align 8 dereferenceable(96) %8)
  %24 = load double, ptr %5, align 8, !tbaa !9
  %25 = fadd double %24, %23
  store double %25, ptr %5, align 8, !tbaa !9
  call void @_ZN3net10BinaryTree15move_down_rightEv(ptr noundef nonnull align 8 dereferenceable(96) %8)
  br label %26

26:                                               ; preds = %22, %21
  br label %10, !llvm.loop !11

27:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %28 = call noundef i32 @_ZNK3net10BinaryTree14get_leaf_indexEv(ptr noundef nonnull align 8 dereferenceable(96) %8)
  store i32 %28, ptr %7, align 4, !tbaa !13
  call void @_ZN3net10BinaryTree18reset_current_nodeEv(ptr noundef nonnull align 8 dereferenceable(96) %8)
  %29 = load i32, ptr %7, align 4, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret i32 %29
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK3net10BinaryTree9get_valueEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3net10BinaryTree7is_leafEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK3net10BinaryTree14get_value_leftEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3net10BinaryTree14move_down_leftEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3net10BinaryTree15move_down_rightEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNK3net10BinaryTree14get_leaf_indexEv(ptr noundef nonnull align 8 dereferenceable(96)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3net10BinaryTree18reset_current_nodeEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 }

!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 = !{!"double", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}


; 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 i32 @_ZN3net10BinaryTree14get_leaf_indexEd(ptr noundef nonnull align 8 dereferenceable(96) %0, double noundef %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef double @_ZNK3net10BinaryTree9get_valueEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  %4 = tail call noundef zeroext i1 @_ZN3net10BinaryTree7is_leafEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  br i1 %4, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %13
  %.05 = phi double [ %.1, %13 ], [ 0.000000e+00, %2 ]
  %5 = tail call noundef double @_ZNK3net10BinaryTree14get_value_leftEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  %6 = fadd double %.05, %5
  %7 = fdiv double %6, %3
  %8 = fcmp ult double %7, %1
  br i1 %8, label %10, label %9

9:                                                ; preds = %.lr.ph
  tail call void @_ZN3net10BinaryTree14move_down_leftEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  br label %13

10:                                               ; preds = %.lr.ph
  %11 = tail call noundef double @_ZNK3net10BinaryTree14get_value_leftEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  %12 = fadd double %.05, %11
  tail call void @_ZN3net10BinaryTree15move_down_rightEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  br label %13

13:                                               ; preds = %10, %9
  %.1 = phi double [ %.05, %9 ], [ %12, %10 ]
  %14 = tail call noundef zeroext i1 @_ZN3net10BinaryTree7is_leafEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  br i1 %14, label %._crit_edge, label %.lr.ph, !llvm.loop !5

._crit_edge:                                      ; preds = %13, %2
  %15 = tail call noundef i32 @_ZNK3net10BinaryTree14get_leaf_indexEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  tail call void @_ZN3net10BinaryTree18reset_current_nodeEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  ret i32 %15
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK3net10BinaryTree9get_valueEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3net10BinaryTree7is_leafEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK3net10BinaryTree14get_value_leftEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3net10BinaryTree14move_down_leftEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3net10BinaryTree15move_down_rightEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNK3net10BinaryTree14get_leaf_indexEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3net10BinaryTree18reset_current_nodeEv(ptr noundef nonnull align 8 dereferenceable(96)) 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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