; LLVM IR from mackorone/mms :: old/v2/src/mouse/floodFill (FloodFill)

; 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 @_ZN9floodFill9FloodFill13undoRequestedEv(ptr noundef nonnull align 8 dereferenceable(10505)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN9floodFill9FloodFill14resetRequestedEv(ptr noundef nonnull align 8 dereferenceable(10505)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9floodFill9FloodFill11moveOneCellEPNS_4CellE(ptr noundef nonnull align 8 dereferenceable(10505), ptr noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN9floodFill9FloodFill19proceedToCheckpointESt5stackIPNS_4CellESt5dequeIS3_SaIS3_EEE(ptr noundef nonnull align 8 dereferenceable(10505) %0, ptr noundef %1) #1 align 2 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8
  br label %8

8:                                                ; preds = %16, %2
  %9 = call noundef zeroext i1 @_ZNKSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %10 = xor i1 %9, true
  br i1 %10, label %11, label %20

11:                                               ; preds = %8
  %12 = call noundef zeroext i1 @_ZN9floodFill9FloodFill14resetRequestedEv(ptr noundef nonnull align 8 dereferenceable(10505) %7)
  br i1 %12, label %15, label %13

13:                                               ; preds = %11
  %14 = call noundef zeroext i1 @_ZN9floodFill9FloodFill13undoRequestedEv(ptr noundef nonnull align 8 dereferenceable(10505) %7)
  br i1 %14, label %15, label %16

15:                                               ; preds = %13, %11
  store i1 true, ptr %3, align 1
  br label %21

16:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  store ptr %18, ptr %6, align 8, !tbaa !5
  call void @_ZNSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN9floodFill9FloodFill11moveOneCellEPNS_4CellE(ptr noundef nonnull align 8 dereferenceable(10505) %7, ptr noundef %19)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %8, !llvm.loop !9

20:                                               ; preds = %8
  store i1 false, ptr %3, align 1
  br label %21

21:                                               ; preds = %20, %15
  %22 = load i1, ptr %3, align 1
  ret i1 %22
}

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 = distinct !{!9, !10}
!10 = !{!"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 @_ZN9floodFill9FloodFill13undoRequestedEv(ptr noundef nonnull align 8 dereferenceable(10505)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN9floodFill9FloodFill14resetRequestedEv(ptr noundef nonnull align 8 dereferenceable(10505)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9floodFill9FloodFill11moveOneCellEPNS_4CellE(ptr noundef nonnull align 8 dereferenceable(10505), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN9floodFill9FloodFill19proceedToCheckpointESt5stackIPNS_4CellESt5dequeIS3_SaIS3_EEE(ptr noundef nonnull align 8 dereferenceable(10505) %0, ptr noundef nonnull %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef zeroext i1 @_ZNKSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  br i1 %3, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %7
  %4 = tail call noundef zeroext i1 @_ZN9floodFill9FloodFill14resetRequestedEv(ptr noundef nonnull align 8 dereferenceable(10505) %0)
  br i1 %4, label %._crit_edge, label %5

5:                                                ; preds = %.lr.ph
  %6 = tail call noundef zeroext i1 @_ZN9floodFill9FloodFill13undoRequestedEv(ptr noundef nonnull align 8 dereferenceable(10505) %0)
  br i1 %6, label %._crit_edge, label %7

7:                                                ; preds = %5
  %8 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  tail call void @_ZNSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  tail call void @_ZN9floodFill9FloodFill11moveOneCellEPNS_4CellE(ptr noundef nonnull align 8 dereferenceable(10505) %0, ptr noundef %9)
  %10 = tail call noundef zeroext i1 @_ZNKSt5stackIPN9floodFill4CellESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  br i1 %10, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %5, %.lr.ph, %7, %2
  %.lcssa = phi i1 [ false, %2 ], [ false, %7 ], [ true, %.lr.ph ], [ true, %5 ]
  ret i1 %.lcssa
}

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" }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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