; LLVM IR from SourangshuGhosh/Fluid-Simulation-for-Computer-Graphics :: src (fluidbrickgrid)

; 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
declare dso_local noundef zeroext i1 @_ZN14FluidBrickGrid23_isBrickMassInBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr noundef nonnull align 8 dereferenceable(353), ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(40)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14FluidBrickGrid34_removeBrickStructureFromBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr noundef nonnull align 8 dereferenceable(353), ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(40)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14FluidBrickGrid29_removeInvalidbrickStructuresER7Array3dI5BrickES3_RSt6vectorI15GridIndexVectorSaIS5_EE(ptr noundef nonnull align 8 dereferenceable(353) %0, ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull align 8 dereferenceable(40) %2, ptr noundef nonnull align 8 dereferenceable(24) %3) #1 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %32, %4
  %12 = load i32, ptr %9, align 4, !tbaa !9
  %13 = zext i32 %12 to i64
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = call noundef i64 @_ZNKSt6vectorI15GridIndexVectorSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #3
  %16 = icmp ult i64 %13, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %35

18:                                               ; preds = %11
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = load i32, ptr %9, align 4, !tbaa !9
  %21 = zext i32 %20 to i64
  %22 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI15GridIndexVectorSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %21) #3
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = call noundef zeroext i1 @_ZN14FluidBrickGrid23_isBrickMassInBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr noundef nonnull align 8 dereferenceable(353) %10, ptr noundef nonnull align 8 dereferenceable(40) %22, ptr noundef nonnull align 8 dereferenceable(40) %23)
  br i1 %24, label %31, label %25

25:                                               ; preds = %18
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = load i32, ptr %9, align 4, !tbaa !9
  %28 = zext i32 %27 to i64
  %29 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI15GridIndexVectorSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %26, i64 noundef %28) #3
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN14FluidBrickGrid34_removeBrickStructureFromBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr noundef nonnull align 8 dereferenceable(353) %10, ptr noundef nonnull align 8 dereferenceable(40) %29, ptr noundef nonnull align 8 dereferenceable(40) %30)
  br label %31

31:                                               ; preds = %25, %18
  br label %32

32:                                               ; preds = %31
  %33 = load i32, ptr %9, align 4, !tbaa !9
  %34 = add i32 %33, 1
  store i32 %34, ptr %9, align 4, !tbaa !9
  br label %11, !llvm.loop !11

35:                                               ; preds = %17
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI15GridIndexVectorSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI15GridIndexVectorSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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
declare dso_local noundef zeroext i1 @_ZN14FluidBrickGrid23_isBrickMassInBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr noundef nonnull align 8 dereferenceable(353), ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14FluidBrickGrid34_removeBrickStructureFromBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr noundef nonnull align 8 dereferenceable(353), ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14FluidBrickGrid29_removeInvalidbrickStructuresER7Array3dI5BrickES3_RSt6vectorI15GridIndexVectorSaIS5_EE(ptr noundef nonnull align 8 dereferenceable(353) %0, ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull align 8 dereferenceable(40) %2, ptr noundef nonnull align 8 dereferenceable(24) %3) local_unnamed_addr #0 align 2 {
  %5 = tail call noundef i64 @_ZNKSt6vectorI15GridIndexVectorSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %11, %4
  ret void

.lr.ph:                                           ; preds = %4, %11
  %6 = phi i64 [ %13, %11 ], [ 0, %4 ]
  %.010 = phi i32 [ %12, %11 ], [ 0, %4 ]
  %7 = tail call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI15GridIndexVectorSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %6) #2
  %8 = tail call noundef zeroext i1 @_ZN14FluidBrickGrid23_isBrickMassInBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr noundef nonnull align 8 dereferenceable(353) %0, ptr noundef nonnull align 8 dereferenceable(40) %7, ptr noundef nonnull align 8 dereferenceable(40) %2)
  br i1 %8, label %11, label %9

9:                                                ; preds = %.lr.ph
  %10 = tail call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI15GridIndexVectorSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %6) #2
  tail call void @_ZN14FluidBrickGrid34_removeBrickStructureFromBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr noundef nonnull align 8 dereferenceable(353) %0, ptr noundef nonnull align 8 dereferenceable(40) %10, ptr noundef nonnull align 8 dereferenceable(40) %1)
  br label %11

11:                                               ; preds = %.lr.ph, %9
  %12 = add i32 %.010, 1
  %13 = zext i32 %12 to i64
  %14 = tail call noundef i64 @_ZNKSt6vectorI15GridIndexVectorSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #2
  %15 = icmp ugt i64 %14, %13
  br i1 %15, label %.lr.ph, label %._crit_edge, !llvm.loop !5
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI15GridIndexVectorSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorI15GridIndexVectorSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) 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" }
attributes #2 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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