; 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"

%struct.GridIndex = type { i32, i32, i32 }
%struct.Brick = type <{ float, i8, [3 x i8] }>

; 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) #0

; 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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN15GridIndexVector4sizeEv(ptr noundef nonnull align 8 dereferenceable(40)) #2 align 2

declare { i64, i32 } @_ZN15GridIndexVectorixEi(ptr noundef nonnull align 8 dereferenceable(40), i32 noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14FluidBrickGrid34_removeBrickStructureFromBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr noundef nonnull align 8 dereferenceable(353) %0, ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull align 8 dereferenceable(40) %2) #4 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %struct.GridIndex, align 4
  %10 = alloca { i64, i32 }, align 8
  %11 = alloca { i64, i32 }, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %32, %3
  %14 = load i32, ptr %8, align 4, !tbaa !9
  %15 = zext i32 %14 to i64
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = call noundef i64 @_ZN15GridIndexVector4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %16)
  %18 = icmp ult i64 %15, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %35

20:                                               ; preds = %13
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = load i32, ptr %8, align 4, !tbaa !9
  %24 = call { i64, i32 } @_ZN15GridIndexVectorixEi(ptr noundef nonnull align 8 dereferenceable(40) %22, i32 noundef %23)
  store { i64, i32 } %24, ptr %10, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 8 %10, i64 12, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 4 %9, i64 12, i1 false)
  %25 = getelementptr inbounds { i64, i32 }, ptr %11, i32 0, i32 0
  %26 = load i64, ptr %25, align 4
  %27 = getelementptr inbounds { i64, i32 }, ptr %11, i32 0, i32 1
  %28 = load i32, ptr %27, align 4
  %29 = call noundef ptr @_ZN7Array3dI5BrickE10getPointerE9GridIndex(ptr noundef nonnull align 8 dereferenceable(40) %21, i64 %26, i32 %28)
  store ptr %29, ptr %7, align 8, !tbaa !5
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.Brick, ptr %30, i32 0, i32 1
  store i8 0, ptr %31, align 4, !tbaa !11
  br label %32

32:                                               ; preds = %20
  %33 = load i32, ptr %8, align 4, !tbaa !9
  %34 = add i32 %33, 1
  store i32 %34, ptr %8, align 4, !tbaa !9
  br label %13, !llvm.loop !15

35:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN7Array3dI5BrickE10getPointerE9GridIndex(ptr noundef nonnull align 8 dereferenceable(40), i64, i32) #4 align 2

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 = { 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 #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 = !{!12, !14, i64 4}
!12 = !{!"_ZTS5Brick", !13, i64 0, !14, i64 4}
!13 = !{!"float", !7, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN15GridIndexVector4sizeEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0 align 2

declare { i64, i32 } @_ZN15GridIndexVectorixEi(ptr noundef nonnull align 8 dereferenceable(40), i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14FluidBrickGrid34_removeBrickStructureFromBrickGridER15GridIndexVectorR7Array3dI5BrickE(ptr nocapture noundef nonnull readnone align 8 dereferenceable(353) %0, ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull align 8 dereferenceable(40) %2) local_unnamed_addr #2 align 2 {
  %4 = tail call noundef i64 @_ZN15GridIndexVector4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %1)
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.011 = phi i32 [ %8, %.lr.ph ], [ 0, %3 ]
  %5 = tail call { i64, i32 } @_ZN15GridIndexVectorixEi(ptr noundef nonnull align 8 dereferenceable(40) %1, i32 noundef %.011)
  %.fca.0.extract = extractvalue { i64, i32 } %5, 0
  %.fca.1.extract = extractvalue { i64, i32 } %5, 1
  %6 = tail call noundef ptr @_ZN7Array3dI5BrickE10getPointerE9GridIndex(ptr noundef nonnull align 8 dereferenceable(40) %2, i64 %.fca.0.extract, i32 %.fca.1.extract)
  %7 = getelementptr inbounds i8, ptr %6, i64 4
  store i8 0, ptr %7, align 4, !tbaa !5
  %8 = add i32 %.011, 1
  %9 = zext i32 %8 to i64
  %10 = tail call noundef i64 @_ZN15GridIndexVector4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %1)
  %11 = icmp ugt i64 %10, %9
  br i1 %11, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN7Array3dI5BrickE10getPointerE9GridIndex(ptr noundef nonnull align 8 dereferenceable(40), i64, i32) local_unnamed_addr #2 align 2

attributes #0 = { 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 #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 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" }

!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, !10, i64 4}
!6 = !{!"_ZTS5Brick", !7, i64 0, !10, i64 4}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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