; LLVM IR from lionsoul2014/friso :: src (friso_UTF8)

; 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 i32 @get_utf8_bytes(i8 noundef signext) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @get_utf8_unicode(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 i32 @utf8_numeric_string(ptr noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %8, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  br label %9

9:                                                ; preds = %44, %1
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = load i8, ptr %10, align 1, !tbaa !9
  %12 = sext i8 %11 to i32
  %13 = icmp ne i32 %12, 0
  br i1 %13, label %14, label %49

14:                                               ; preds = %9
  store i32 1, ptr %5, align 4, !tbaa !10
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load i8, ptr %15, align 1, !tbaa !9
  %17 = sext i8 %16 to i32
  %18 = icmp slt i32 %17, 0
  br i1 %18, label %19, label %32

19:                                               ; preds = %14
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = call i32 @get_utf8_unicode(ptr noundef %20)
  store i32 %21, ptr %6, align 4, !tbaa !10
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load i8, ptr %22, align 1, !tbaa !9
  %24 = call i32 @get_utf8_bytes(i8 noundef signext %23)
  store i32 %24, ptr %5, align 4, !tbaa !10
  %25 = load i32, ptr %6, align 4, !tbaa !10
  %26 = icmp slt i32 %25, 65296
  br i1 %26, label %30, label %27

27:                                               ; preds = %19
  %28 = load i32, ptr %6, align 4, !tbaa !10
  %29 = icmp sgt i32 %28, 65305
  br i1 %29, label %30, label %31

30:                                               ; preds = %27, %19
  store i32 0, ptr %2, align 4
  store i32 1, ptr %7, align 4
  br label %50

31:                                               ; preds = %27
  br label %44

32:                                               ; preds = %14
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = load i8, ptr %33, align 1, !tbaa !9
  %35 = sext i8 %34 to i32
  %36 = icmp slt i32 %35, 48
  br i1 %36, label %42, label %37

37:                                               ; preds = %32
  %38 = load ptr, ptr %4, align 8, !tbaa !5
  %39 = load i8, ptr %38, align 1, !tbaa !9
  %40 = sext i8 %39 to i32
  %41 = icmp sgt i32 %40, 57
  br i1 %41, label %42, label %43

42:                                               ; preds = %37, %32
  store i32 0, ptr %2, align 4
  store i32 1, ptr %7, align 4
  br label %50

43:                                               ; preds = %37
  br label %44

44:                                               ; preds = %43, %31
  %45 = load i32, ptr %5, align 4, !tbaa !10
  %46 = load ptr, ptr %4, align 8, !tbaa !5
  %47 = sext i32 %45 to i64
  %48 = getelementptr inbounds i8, ptr %46, i64 %47
  store ptr %48, ptr %4, align 8, !tbaa !5
  br label %9, !llvm.loop !12

49:                                               ; preds = %9
  store i32 1, ptr %2, align 4
  store i32 1, ptr %7, align 4
  br label %50

50:                                               ; preds = %49, %42, %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  %51 = load i32, ptr %2, align 4
  ret i32 %51
}

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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !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 i32 @get_utf8_bytes(i8 noundef signext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @get_utf8_unicode(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @utf8_numeric_string(ptr noundef %0) local_unnamed_addr #0 {
  %2 = load i8, ptr %0, align 1, !tbaa !5
  %.not16 = icmp eq i8 %2, 0
  br i1 %.not16, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1, %12
  %3 = phi i8 [ %15, %12 ], [ %2, %1 ]
  %.01317 = phi ptr [ %14, %12 ], [ %0, %1 ]
  %4 = icmp slt i8 %3, 0
  br i1 %4, label %5, label %10

5:                                                ; preds = %.lr.ph
  %6 = tail call i32 @get_utf8_unicode(ptr noundef nonnull %.01317)
  %7 = load i8, ptr %.01317, align 1, !tbaa !5
  %8 = tail call i32 @get_utf8_bytes(i8 noundef signext %7)
  %9 = add i32 %6, -65306
  %or.cond = icmp ult i32 %9, -10
  br i1 %or.cond, label %._crit_edge, label %12

10:                                               ; preds = %.lr.ph
  %11 = add nsw i8 %3, -58
  %or.cond15 = icmp ult i8 %11, -10
  br i1 %or.cond15, label %._crit_edge, label %12

12:                                               ; preds = %10, %5
  %.012 = phi i32 [ %8, %5 ], [ 1, %10 ]
  %13 = sext i32 %.012 to i64
  %14 = getelementptr inbounds i8, ptr %.01317, i64 %13
  %15 = load i8, ptr %14, align 1, !tbaa !5
  %.not = icmp eq i8 %15, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !8

._crit_edge:                                      ; preds = %5, %10, %12, %1
  %.0 = phi i32 [ 1, %1 ], [ 1, %12 ], [ 0, %10 ], [ 0, %5 ]
  ret i32 %.0
}

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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass