; LLVM IR from clibs/clib :: deps/gumbo-parser (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
define dso_local zeroext i1 @utf8_is_invalid_code_point(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %4 = icmp sge i32 %3, 1
  br i1 %4, label %5, label %8

5:                                                ; preds = %1
  %6 = load i32, ptr %2, align 4, !tbaa !5
  %7 = icmp sle i32 %6, 8
  br i1 %7, label %37, label %8

8:                                                ; preds = %5, %1
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = icmp eq i32 %9, 11
  br i1 %10, label %37, label %11

11:                                               ; preds = %8
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = icmp sge i32 %12, 14
  br i1 %13, label %14, label %17

14:                                               ; preds = %11
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = icmp sle i32 %15, 31
  br i1 %16, label %37, label %17

17:                                               ; preds = %14, %11
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = icmp sge i32 %18, 127
  br i1 %19, label %20, label %23

20:                                               ; preds = %17
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = icmp sle i32 %21, 159
  br i1 %22, label %37, label %23

23:                                               ; preds = %20, %17
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = icmp sge i32 %24, 64976
  br i1 %25, label %26, label %29

26:                                               ; preds = %23
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = icmp sle i32 %27, 65007
  br i1 %28, label %37, label %29

29:                                               ; preds = %26, %23
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = and i32 %30, 65535
  %32 = icmp eq i32 %31, 65534
  br i1 %32, label %37, label %33

33:                                               ; preds = %29
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = and i32 %34, 65535
  %36 = icmp eq i32 %35, 65535
  br label %37

37:                                               ; preds = %33, %29, %26, %20, %14, %8, %5
  %38 = phi i1 [ true, %29 ], [ true, %26 ], [ true, %20 ], [ true, %14 ], [ true, %8 ], [ true, %5 ], [ %36, %33 ]
  ret i1 %38
}

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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 @utf8_is_invalid_code_point(i32 noundef %0) local_unnamed_addr #0 {
  %switch.tableidx = add i32 %0, -1
  %2 = icmp ult i32 %switch.tableidx, 11
  br i1 %2, label %switch.hole_check, label %3

3:                                                ; preds = %switch.hole_check, %1
  %4 = add i32 %0, -14
  %or.cond5 = icmp ult i32 %4, 18
  %5 = add i32 %0, -127
  %or.cond7 = icmp ult i32 %5, 33
  %or.cond = or i1 %or.cond5, %or.cond7
  %6 = add i32 %0, -64976
  %or.cond9 = icmp ult i32 %6, 32
  %or.cond21 = or i1 %or.cond9, %or.cond
  br i1 %or.cond21, label %switch.lookup, label %7

7:                                                ; preds = %3
  %8 = and i32 %0, 65534
  %spec.select = icmp eq i32 %8, 65534
  br label %switch.lookup

switch.hole_check:                                ; preds = %1
  %switch.maskindex = trunc nuw i32 %switch.tableidx to i16
  %switch.shifted = lshr i16 1279, %switch.maskindex
  %switch.lobit = trunc i16 %switch.shifted to i1
  br i1 %switch.lobit, label %switch.lookup, label %3

switch.lookup:                                    ; preds = %switch.hole_check, %7, %3
  %9 = phi i1 [ true, %3 ], [ %spec.select, %7 ], [ true, %switch.hole_check ]
  ret i1 %9
}

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,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass