; LLVM IR from yellow-footed-honeyguide/facad :: src (display_utils)

; 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: nounwind uwtable
declare dso_local i64 @get_utf8_char_width(ptr noundef) #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: nounwind uwtable
define dso_local i64 @get_display_width(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #2
  store i64 0, ptr %3, align 8, !tbaa !9
  br label %5

5:                                                ; preds = %27, %1
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = load i8, ptr %6, align 1, !tbaa !11
  %8 = icmp ne i8 %7, 0
  br i1 %8, label %9, label %31

9:                                                ; preds = %5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = call i64 @get_utf8_char_width(ptr noundef %10)
  store i64 %11, ptr %4, align 8, !tbaa !9
  %12 = load i64, ptr %4, align 8, !tbaa !9
  %13 = icmp eq i64 %12, 4
  br i1 %13, label %14, label %17

14:                                               ; preds = %9
  %15 = load i64, ptr %3, align 8, !tbaa !9
  %16 = add i64 %15, 2
  store i64 %16, ptr %3, align 8, !tbaa !9
  br label %27

17:                                               ; preds = %9
  %18 = load i64, ptr %4, align 8, !tbaa !9
  %19 = icmp ugt i64 %18, 1
  br i1 %19, label %20, label %23

20:                                               ; preds = %17
  %21 = load i64, ptr %3, align 8, !tbaa !9
  %22 = add i64 %21, 1
  store i64 %22, ptr %3, align 8, !tbaa !9
  br label %26

23:                                               ; preds = %17
  %24 = load i64, ptr %3, align 8, !tbaa !9
  %25 = add i64 %24, 1
  store i64 %25, ptr %3, align 8, !tbaa !9
  br label %26

26:                                               ; preds = %23, %20
  br label %27

27:                                               ; preds = %26, %14
  %28 = load i64, ptr %4, align 8, !tbaa !9
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds i8, ptr %29, i64 %28
  store ptr %30, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  br label %5, !llvm.loop !12

31:                                               ; preds = %5
  %32 = load i64, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #2
  ret i64 %32
}

attributes #0 = { 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 nosync nounwind willreturn memory(argmem: readwrite) }
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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!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: nounwind uwtable
declare dso_local i64 @get_utf8_char_width(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i64 @get_display_width(ptr noundef %0) local_unnamed_addr #0 {
  %2 = load i8, ptr %0, align 1, !tbaa !5
  %.not11 = icmp eq i8 %2, 0
  br i1 %.not11, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.013 = phi ptr [ %6, %.lr.ph ], [ %0, %1 ]
  %.0912 = phi i64 [ %5, %.lr.ph ], [ 0, %1 ]
  %3 = tail call i64 @get_utf8_char_width(ptr noundef nonnull %.013)
  %4 = icmp eq i64 %3, 4
  %. = select i1 %4, i64 2, i64 1
  %5 = add i64 %.0912, %.
  %6 = getelementptr inbounds i8, ptr %.013, i64 %3
  %7 = load i8, ptr %6, align 1, !tbaa !5
  %.not = icmp eq i8 %7, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !8

._crit_edge:                                      ; preds = %.lr.ph, %1
  %.09.lcssa = phi i64 [ 0, %1 ], [ %5, %.lr.ph ]
  ret i64 %.09.lcssa
}

attributes #0 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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