; LLVM IR from INMOST-DEV/INMOST-FEM :: anifem++/fem/tetdofmap.ll (ZNK3Ani4DofT10BaseDofMap7NumDofsEv)

; 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.std::array.2" = type { [6 x i32] }

; 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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIjLm6EEixEm(ptr noundef nonnull align 4 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZN3Ani4DofT13NumToGeomTypeEi(i32 noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3Ani4DofT10BaseDofMap7NumDofsEv(ptr dead_on_unwind noalias writable sret(%"struct.std::array.2") align 4 %0, ptr noundef nonnull align 8 dereferenceable(8) %1) unnamed_addr #3 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %1, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %20, %2
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = icmp slt i32 %7, 6
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %23

10:                                               ; preds = %6
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = call noundef zeroext i8 @_ZN3Ani4DofT13NumToGeomTypeEi(i32 noundef %11)
  %13 = load ptr, ptr %5, align 8, !tbaa !11
  %14 = getelementptr inbounds ptr, ptr %13, i64 1
  %15 = load ptr, ptr %14, align 8
  %16 = call noundef i32 %15(ptr noundef nonnull align 8 dereferenceable(8) %5, i8 noundef zeroext %12)
  %17 = load i32, ptr %4, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIjLm6EEixEm(ptr noundef nonnull align 4 dereferenceable(24) %0, i64 noundef %18) #4
  store i32 %16, ptr %19, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %10
  %21 = load i32, ptr %4, align 4, !tbaa !9
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %4, align 4, !tbaa !9
  br label %6, !llvm.loop !13

23:                                               ; preds = %9
  ret void
}

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

%"struct.std::array.2" = type { [6 x i32] }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIjLm6EEixEm(ptr noundef nonnull align 4 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i8 @_ZN3Ani4DofT13NumToGeomTypeEi(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3Ani4DofT10BaseDofMap7NumDofsEv(ptr dead_on_unwind noalias writable sret(%"struct.std::array.2") align 4 %0, ptr noundef nonnull align 8 dereferenceable(8) %1) unnamed_addr #2 align 2 {
  %3 = tail call noundef zeroext i8 @_ZN3Ani4DofT13NumToGeomTypeEi(i32 noundef 0)
  %4 = load ptr, ptr %1, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %4, i64 8
  %6 = load ptr, ptr %5, align 8
  %7 = tail call noundef i32 %6(ptr noundef nonnull align 8 dereferenceable(8) %1, i8 noundef zeroext %3)
  %8 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIjLm6EEixEm(ptr noundef nonnull align 4 dereferenceable(24) %0, i64 noundef 0) #3
  store i32 %7, ptr %8, align 4, !tbaa !8
  %9 = tail call noundef zeroext i8 @_ZN3Ani4DofT13NumToGeomTypeEi(i32 noundef 1)
  %10 = load ptr, ptr %1, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %10, i64 8
  %12 = load ptr, ptr %11, align 8
  %13 = tail call noundef i32 %12(ptr noundef nonnull align 8 dereferenceable(8) %1, i8 noundef zeroext %9)
  %14 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIjLm6EEixEm(ptr noundef nonnull align 4 dereferenceable(24) %0, i64 noundef 1) #3
  store i32 %13, ptr %14, align 4, !tbaa !8
  %15 = tail call noundef zeroext i8 @_ZN3Ani4DofT13NumToGeomTypeEi(i32 noundef 2)
  %16 = load ptr, ptr %1, align 8, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %16, i64 8
  %18 = load ptr, ptr %17, align 8
  %19 = tail call noundef i32 %18(ptr noundef nonnull align 8 dereferenceable(8) %1, i8 noundef zeroext %15)
  %20 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIjLm6EEixEm(ptr noundef nonnull align 4 dereferenceable(24) %0, i64 noundef 2) #3
  store i32 %19, ptr %20, align 4, !tbaa !8
  %21 = tail call noundef zeroext i8 @_ZN3Ani4DofT13NumToGeomTypeEi(i32 noundef 3)
  %22 = load ptr, ptr %1, align 8, !tbaa !5
  %23 = getelementptr inbounds i8, ptr %22, i64 8
  %24 = load ptr, ptr %23, align 8
  %25 = tail call noundef i32 %24(ptr noundef nonnull align 8 dereferenceable(8) %1, i8 noundef zeroext %21)
  %26 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIjLm6EEixEm(ptr noundef nonnull align 4 dereferenceable(24) %0, i64 noundef 3) #3
  store i32 %25, ptr %26, align 4, !tbaa !8
  %27 = tail call noundef zeroext i8 @_ZN3Ani4DofT13NumToGeomTypeEi(i32 noundef 4)
  %28 = load ptr, ptr %1, align 8, !tbaa !5
  %29 = getelementptr inbounds i8, ptr %28, i64 8
  %30 = load ptr, ptr %29, align 8
  %31 = tail call noundef i32 %30(ptr noundef nonnull align 8 dereferenceable(8) %1, i8 noundef zeroext %27)
  %32 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIjLm6EEixEm(ptr noundef nonnull align 4 dereferenceable(24) %0, i64 noundef 4) #3
  store i32 %31, ptr %32, align 4, !tbaa !8
  %33 = tail call noundef zeroext i8 @_ZN3Ani4DofT13NumToGeomTypeEi(i32 noundef 5)
  %34 = load ptr, ptr %1, align 8, !tbaa !5
  %35 = getelementptr inbounds i8, ptr %34, i64 8
  %36 = load ptr, ptr %35, align 8
  %37 = tail call noundef i32 %36(ptr noundef nonnull align 8 dereferenceable(8) %1, i8 noundef zeroext %33)
  %38 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIjLm6EEixEm(ptr noundef nonnull align 4 dereferenceable(24) %0, i64 noundef 5) #3
  store i32 %37, ptr %38, align 4, !tbaa !8
  ret void
}

attributes #0 = { 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 #1 = { inlinehint 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" }
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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass