; LLVM IR from opensim-org/opensim-core :: Vendors/lepton/src (ExpressionProgram)

; 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"

%"class.Lepton::ExpressionProgram" = type { %"class.std::vector", i32, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Lepton::Operation *, std::allocator<Lepton::Operation *>>::_Vector_impl" }
%"struct.std::_Vector_base<Lepton::Operation *, std::allocator<Lepton::Operation *>>::_Vector_impl" = type { %"struct.std::_Vector_base<Lepton::Operation *, std::allocator<Lepton::Operation *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Lepton::Operation *, std::allocator<Lepton::Operation *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Lepton17ExpressionProgram12buildProgramERKNS_18ExpressionTreeNodeE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK6Lepton18ExpressionTreeNode11getChildrenEv(ptr noundef nonnull align 8 dereferenceable(32) %8)
  %10 = call noundef i64 @_ZNKSt6vectorIN6Lepton18ExpressionTreeNodeESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #4
  %11 = trunc i64 %10 to i32
  %12 = sub nsw i32 %11, 1
  store i32 %12, ptr %5, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %23, %2
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = icmp sge i32 %14, 0
  br i1 %15, label %17, label %16

16:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %26

17:                                               ; preds = %13
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK6Lepton18ExpressionTreeNode11getChildrenEv(ptr noundef nonnull align 8 dereferenceable(32) %18)
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN6Lepton18ExpressionTreeNodeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %21) #4
  call void @_ZN6Lepton17ExpressionProgram12buildProgramERKNS_18ExpressionTreeNodeE(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %22)
  br label %23

23:                                               ; preds = %17
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = add nsw i32 %24, -1
  store i32 %25, ptr %5, align 4, !tbaa !9
  br label %13, !llvm.loop !11

26:                                               ; preds = %16
  %27 = getelementptr inbounds %"class.Lepton::ExpressionProgram", ptr %7, i32 0, i32 0
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK6Lepton18ExpressionTreeNode12getOperationEv(ptr noundef nonnull align 8 dereferenceable(32) %28)
  %30 = load ptr, ptr %29, align 8, !tbaa !13
  %31 = getelementptr inbounds ptr, ptr %30, i64 5
  %32 = load ptr, ptr %31, align 8
  %33 = call noundef ptr %32(ptr noundef nonnull align 8 dereferenceable(8) %29)
  store ptr %33, ptr %6, align 8, !tbaa !5
  call void @_ZNSt6vectorIPN6Lepton9OperationESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %27, ptr noundef nonnull align 8 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(24) ptr @_ZNK6Lepton18ExpressionTreeNode11getChildrenEv(ptr noundef nonnull align 8 dereferenceable(32)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN6Lepton18ExpressionTreeNodeESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN6Lepton18ExpressionTreeNodeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN6Lepton9OperationESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNK6Lepton18ExpressionTreeNode12getOperationEv(ptr noundef nonnull align 8 dereferenceable(32)) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 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 #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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, 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 void @_ZN6Lepton17ExpressionProgram12buildProgramERKNS_18ExpressionTreeNodeE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK6Lepton18ExpressionTreeNode11getChildrenEv(ptr noundef nonnull align 8 dereferenceable(32) %1)
  %5 = tail call noundef i64 @_ZNKSt6vectorIN6Lepton18ExpressionTreeNodeESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  %6 = trunc i64 %5 to i32
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %2
  %8 = and i64 %5, 2147483647
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %9 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK6Lepton18ExpressionTreeNode12getOperationEv(ptr noundef nonnull align 8 dereferenceable(32) %1)
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %10, i64 40
  %12 = load ptr, ptr %11, align 8
  %13 = tail call noundef ptr %12(ptr noundef nonnull align 8 dereferenceable(8) %9)
  store ptr %13, ptr %3, align 8, !tbaa !8
  call void @_ZNSt6vectorIPN6Lepton9OperationESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %8, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %indvars.iv.next = add nsw i64 %indvars.iv, -1
  %14 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK6Lepton18ExpressionTreeNode11getChildrenEv(ptr noundef nonnull align 8 dereferenceable(32) %1)
  %15 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN6Lepton18ExpressionTreeNodeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %indvars.iv.next) #4
  tail call void @_ZN6Lepton17ExpressionProgram12buildProgramERKNS_18ExpressionTreeNodeE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %15)
  %16 = icmp ugt i64 %indvars.iv, 1
  br i1 %16, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(24) ptr @_ZNK6Lepton18ExpressionTreeNode11getChildrenEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN6Lepton18ExpressionTreeNodeESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorIN6Lepton18ExpressionTreeNodeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN6Lepton9OperationESaIS2_EE9push_backEOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNK6Lepton18ExpressionTreeNode12getOperationEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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