; LLVM IR from mackorone/mms :: old/v1/src/algo/FloodFill/FloodFill.ll (ZN9FloodFill6inGoalEii)

; 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 nounwind uwtable
define dso_local noundef zeroext i1 @_ZN9FloodFill6inGoalEii(ptr noundef nonnull align 8 dereferenceable(8457) %0, i32 noundef %1, i32 noundef %2) #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  %8 = alloca i8, align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  %9 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #2
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = icmp eq i32 7, %10
  %12 = zext i1 %11 to i8
  store i8 %12, ptr %7, align 1, !tbaa !11
  %13 = load i8, ptr %7, align 1, !tbaa !11, !range !13, !noundef !14
  %14 = trunc i8 %13 to i1
  br i1 %14, label %18, label %15

15:                                               ; preds = %3
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = icmp eq i32 8, %16
  br label %18

18:                                               ; preds = %15, %3
  %19 = phi i1 [ true, %3 ], [ %17, %15 ]
  %20 = zext i1 %19 to i8
  store i8 %20, ptr %7, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #2
  %21 = load i32, ptr %6, align 4, !tbaa !9
  %22 = icmp eq i32 7, %21
  %23 = zext i1 %22 to i8
  store i8 %23, ptr %8, align 1, !tbaa !11
  %24 = load i8, ptr %8, align 1, !tbaa !11, !range !13, !noundef !14
  %25 = trunc i8 %24 to i1
  br i1 %25, label %29, label %26

26:                                               ; preds = %18
  %27 = load i32, ptr %6, align 4, !tbaa !9
  %28 = icmp eq i32 8, %27
  br label %29

29:                                               ; preds = %26, %18
  %30 = phi i1 [ true, %18 ], [ %28, %26 ]
  %31 = zext i1 %30 to i8
  store i8 %31, ptr %8, align 1, !tbaa !11
  %32 = load i8, ptr %7, align 1, !tbaa !11, !range !13, !noundef !14
  %33 = trunc i8 %32 to i1
  br i1 %33, label %34, label %37

34:                                               ; preds = %29
  %35 = load i8, ptr %8, align 1, !tbaa !11, !range !13, !noundef !14
  %36 = trunc i8 %35 to i1
  br label %37

37:                                               ; preds = %34, %29
  %38 = phi i1 [ false, %29 ], [ %36, %34 ]
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #2
  ret i1 %38
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!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, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef zeroext i1 @_ZN9FloodFill6inGoalEii(ptr nocapture noundef nonnull readnone align 8 dereferenceable(8457) %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 align 2 {
  %4 = add i32 %1, -7
  %5 = add i32 %2, -7
  %6 = or i32 %5, %4
  %7 = icmp ult i32 %6, 2
  ret i1 %7
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass