; LLVM IR from artvns/SimpleFvm :: simplefvm/src/MeshLoader/SolverDataPackers (FieldsPacker)

; 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.meshloader::FieldsPacker" = type { ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10meshloader12FieldsPacker10packFieldsEv(ptr noundef nonnull align 8 dereferenceable(16) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %7 = getelementptr inbounds %"class.meshloader::FieldsPacker", ptr %6, i32 0, i32 1
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = call noundef i64 @_ZN10meshloader4Mesh14getCellsAmountEv(ptr noundef nonnull align 8 dereferenceable(49) %8)
  store i64 %9, ptr %3, align 8, !tbaa !11
  %10 = load i64, ptr %3, align 8, !tbaa !11
  call void @_ZN10meshloader12FieldsPacker11createStoreEm(ptr noundef nonnull align 8 dereferenceable(16) %6, i64 noundef %10)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  store i64 0, ptr %4, align 8, !tbaa !11
  br label %11

11:                                               ; preds = %29, %1
  %12 = load i64, ptr %4, align 8, !tbaa !11
  %13 = load i64, ptr %3, align 8, !tbaa !11
  %14 = icmp ult i64 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  br label %32

16:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %17 = getelementptr inbounds %"class.meshloader::FieldsPacker", ptr %6, i32 0, i32 1
  %18 = load ptr, ptr %17, align 8, !tbaa !9
  %19 = load i64, ptr %4, align 8, !tbaa !11
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN10meshloader4Mesh14getCellByIndexEm(ptr noundef nonnull align 8 dereferenceable(49) %18, i64 noundef %19)
  %21 = call noundef ptr @_ZNKSt10unique_ptrIN10meshloader9MacroCellESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #4
  %22 = call noundef i64 @_ZN10meshloader9MacroCell16getCellGlobalNumEv(ptr noundef nonnull align 8 dereferenceable(169) %21)
  store i64 %22, ptr %5, align 8, !tbaa !11
  %23 = load i64, ptr %4, align 8, !tbaa !11
  %24 = load i64, ptr %5, align 8, !tbaa !11
  call void @_ZN10meshloader12FieldsPacker10packValuePEmm(ptr noundef nonnull align 8 dereferenceable(16) %6, i64 noundef %23, i64 noundef %24)
  %25 = load i64, ptr %4, align 8, !tbaa !11
  %26 = load i64, ptr %5, align 8, !tbaa !11
  call void @_ZN10meshloader12FieldsPacker10packValueUEmm(ptr noundef nonnull align 8 dereferenceable(16) %6, i64 noundef %25, i64 noundef %26)
  %27 = load i64, ptr %4, align 8, !tbaa !11
  %28 = load i64, ptr %5, align 8, !tbaa !11
  call void @_ZN10meshloader12FieldsPacker10packValueVEmm(ptr noundef nonnull align 8 dereferenceable(16) %6, i64 noundef %27, i64 noundef %28)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %29

29:                                               ; preds = %16
  %30 = load i64, ptr %4, align 8, !tbaa !11
  %31 = add i64 %30, 1
  store i64 %31, ptr %4, align 8, !tbaa !11
  br label %11, !llvm.loop !13

32:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret void
}

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

declare noundef i64 @_ZN10meshloader4Mesh14getCellsAmountEv(ptr noundef nonnull align 8 dereferenceable(49)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10meshloader12FieldsPacker11createStoreEm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) #0 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZN10meshloader4Mesh14getCellByIndexEm(ptr noundef nonnull align 8 dereferenceable(49), i64 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrIN10meshloader9MacroCellESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

declare noundef i64 @_ZN10meshloader9MacroCell16getCellGlobalNumEv(ptr noundef nonnull align 8 dereferenceable(169)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10meshloader12FieldsPacker10packValuePEmm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10meshloader12FieldsPacker10packValueUEmm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10meshloader12FieldsPacker10packValueVEmm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i64 noundef) #0 align 2

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

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, !6, i64 8}
!10 = !{!"_ZTSN10meshloader12FieldsPackerE", !6, i64 0, !6, i64 8}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, 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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10meshloader12FieldsPacker10packFieldsEv(ptr noundef nonnull align 8 dereferenceable(16) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = tail call noundef i64 @_ZN10meshloader4Mesh14getCellsAmountEv(ptr noundef nonnull align 8 dereferenceable(49) %3)
  tail call void @_ZN10meshloader12FieldsPacker11createStoreEm(ptr noundef nonnull align 8 dereferenceable(16) %0, i64 noundef %4)
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

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

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.011 = phi i64 [ %9, %.lr.ph ], [ 0, %1 ]
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN10meshloader4Mesh14getCellByIndexEm(ptr noundef nonnull align 8 dereferenceable(49) %5, i64 noundef %.011)
  %7 = tail call noundef ptr @_ZNKSt10unique_ptrIN10meshloader9MacroCellESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #3
  %8 = tail call noundef i64 @_ZN10meshloader9MacroCell16getCellGlobalNumEv(ptr noundef nonnull align 8 dereferenceable(169) %7)
  tail call void @_ZN10meshloader12FieldsPacker10packValuePEmm(ptr noundef nonnull align 8 dereferenceable(16) %0, i64 noundef %.011, i64 noundef %8)
  tail call void @_ZN10meshloader12FieldsPacker10packValueUEmm(ptr noundef nonnull align 8 dereferenceable(16) %0, i64 noundef %.011, i64 noundef %8)
  tail call void @_ZN10meshloader12FieldsPacker10packValueVEmm(ptr noundef nonnull align 8 dereferenceable(16) %0, i64 noundef %.011, i64 noundef %8)
  %9 = add nuw i64 %.011, 1
  %exitcond.not = icmp eq i64 %9, %4
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !10
}

declare noundef i64 @_ZN10meshloader4Mesh14getCellsAmountEv(ptr noundef nonnull align 8 dereferenceable(49)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10meshloader12FieldsPacker11createStoreEm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) local_unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZN10meshloader4Mesh14getCellByIndexEm(ptr noundef nonnull align 8 dereferenceable(49), i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrIN10meshloader9MacroCellESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

declare noundef i64 @_ZN10meshloader9MacroCell16getCellGlobalNumEv(ptr noundef nonnull align 8 dereferenceable(169)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10meshloader12FieldsPacker10packValuePEmm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10meshloader12FieldsPacker10packValueUEmm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10meshloader12FieldsPacker10packValueVEmm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i64 noundef) local_unnamed_addr #0 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 = { "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, !7, i64 8}
!6 = !{!"_ZTSN10meshloader12FieldsPackerE", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


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