; LLVM IR from SourangshuGhosh/Fluid-Simulation-for-Computer-Graphics :: src/gridindexvector.ll (ZN15GridIndexVector6insertERSt6vectorI9GridIndexSaIS1_EE)

; 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.GridIndex = type { i32, i32, i32 }
%class.GridIndexVector = type { i32, i32, i32, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15GridIndexVector6insertERSt6vectorI9GridIndexSaIS1_EE(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %struct.GridIndex, align 4
  %7 = alloca { i64, i32 }, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  %9 = getelementptr inbounds %class.GridIndexVector, ptr %8, i32 0, i32 3
  %10 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = call noundef i64 @_ZNKSt6vectorI9GridIndexSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  %13 = add i64 %10, %12
  call void @_ZN15GridIndexVector7reserveEm(ptr noundef nonnull align 8 dereferenceable(40) %8, i64 noundef %13)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %30, %2
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = zext i32 %15 to i64
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call noundef i64 @_ZNKSt6vectorI9GridIndexSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  %19 = icmp ult i64 %16, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %33

21:                                               ; preds = %14
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load i32, ptr %5, align 4, !tbaa !9
  %24 = zext i32 %23 to i64
  %25 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI9GridIndexSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %22, i64 noundef %24) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %25, i64 12, i1 false), !tbaa.struct !11
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 4 %6, i64 12, i1 false)
  %26 = getelementptr inbounds { i64, i32 }, ptr %7, i32 0, i32 0
  %27 = load i64, ptr %26, align 4
  %28 = getelementptr inbounds { i64, i32 }, ptr %7, i32 0, i32 1
  %29 = load i32, ptr %28, align 4
  call void @_ZN15GridIndexVector9push_backE9GridIndex(ptr noundef nonnull align 8 dereferenceable(40) %8, i64 %27, i32 %29)
  br label %30

30:                                               ; preds = %21
  %31 = load i32, ptr %5, align 4, !tbaa !9
  %32 = add i32 %31, 1
  store i32 %32, ptr %5, align 4, !tbaa !9
  br label %14, !llvm.loop !12

33:                                               ; preds = %20
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN15GridIndexVector7reserveEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI9GridIndexSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN15GridIndexVector9push_backE9GridIndex(ptr noundef nonnull align 8 dereferenceable(40), i64, i32) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI9GridIndexSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), 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) #4

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 = !{i64 0, i64 4, !9, i64 4, i64 4, !9, i64 8, i64 4, !9}
!12 = distinct !{!12, !13}
!13 = !{!"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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN15GridIndexVector6insertERSt6vectorI9GridIndexSaIS1_EE(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  %5 = tail call noundef i64 @_ZNKSt6vectorI9GridIndexSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #3
  %6 = add i64 %5, %4
  tail call void @_ZN15GridIndexVector7reserveEm(ptr noundef nonnull align 8 dereferenceable(40) %0, i64 noundef %6)
  %7 = tail call noundef i64 @_ZNKSt6vectorI9GridIndexSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #3
  %.not = icmp eq i64 %7, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %2
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %8 = phi i64 [ %11, %.lr.ph ], [ 0, %2 ]
  %.09 = phi i32 [ %10, %.lr.ph ], [ 0, %2 ]
  %9 = tail call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI9GridIndexSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %8) #3
  %.sroa.01.0.copyload = load i64, ptr %9, align 4
  %.sroa.22.0..sroa_idx = getelementptr inbounds i8, ptr %9, i64 8
  %.sroa.22.0.copyload = load i32, ptr %.sroa.22.0..sroa_idx, align 4, !tbaa !5
  tail call void @_ZN15GridIndexVector9push_backE9GridIndex(ptr noundef nonnull align 8 dereferenceable(40) %0, i64 %.sroa.01.0.copyload, i32 %.sroa.22.0.copyload)
  %10 = add i32 %.09, 1
  %11 = zext i32 %10 to i64
  %12 = tail call noundef i64 @_ZNKSt6vectorI9GridIndexSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #3
  %13 = icmp ugt i64 %12, %11
  br i1 %13, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN15GridIndexVector7reserveEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI9GridIndexSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN15GridIndexVector9push_backE9GridIndex(ptr noundef nonnull align 8 dereferenceable(40), i64, i32) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI9GridIndexSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

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 = { 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 = { inlinehint 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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