; LLVM IR from nickmqb/muon :: bootstrap/mu.ll_Parser (isIdentifierChar__)

; 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: nounwind uwtable
define dso_local zeroext i8 @Parser__isIdentifierChar__(i8 noundef signext %0) #1 {
  %2 = alloca i8, align 1
  %3 = alloca i8, align 1
  %4 = alloca i8, align 1
  %5 = alloca i8, align 1
  %6 = alloca i8, align 1
  %7 = alloca i8, align 1
  %8 = alloca i8, align 1
  store i8 %0, ptr %2, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #2
  %9 = load i8, ptr %2, align 1, !tbaa !5
  %10 = zext i8 %9 to i32
  %11 = icmp sge i32 %10, 65
  %12 = zext i1 %11 to i32
  %13 = trunc i32 %12 to i8
  store i8 %13, ptr %3, align 1, !tbaa !5
  %14 = load i8, ptr %3, align 1, !tbaa !5
  %15 = icmp ne i8 %14, 0
  br i1 %15, label %16, label %22

16:                                               ; preds = %1
  %17 = load i8, ptr %2, align 1, !tbaa !5
  %18 = zext i8 %17 to i32
  %19 = icmp sle i32 %18, 90
  %20 = zext i1 %19 to i32
  %21 = trunc i32 %20 to i8
  store i8 %21, ptr %3, align 1, !tbaa !5
  br label %22

22:                                               ; preds = %16, %1
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #2
  %23 = load i8, ptr %3, align 1, !tbaa !5
  store i8 %23, ptr %4, align 1, !tbaa !5
  %24 = load i8, ptr %4, align 1, !tbaa !5
  %25 = icmp ne i8 %24, 0
  br i1 %25, label %42, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #2
  %27 = load i8, ptr %2, align 1, !tbaa !5
  %28 = zext i8 %27 to i32
  %29 = icmp sge i32 %28, 97
  %30 = zext i1 %29 to i32
  %31 = trunc i32 %30 to i8
  store i8 %31, ptr %5, align 1, !tbaa !5
  %32 = load i8, ptr %5, align 1, !tbaa !5
  %33 = icmp ne i8 %32, 0
  br i1 %33, label %34, label %40

34:                                               ; preds = %26
  %35 = load i8, ptr %2, align 1, !tbaa !5
  %36 = zext i8 %35 to i32
  %37 = icmp sle i32 %36, 122
  %38 = zext i1 %37 to i32
  %39 = trunc i32 %38 to i8
  store i8 %39, ptr %5, align 1, !tbaa !5
  br label %40

40:                                               ; preds = %34, %26
  %41 = load i8, ptr %5, align 1, !tbaa !5
  store i8 %41, ptr %4, align 1, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  br label %42

42:                                               ; preds = %40, %22
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #2
  %43 = load i8, ptr %4, align 1, !tbaa !5
  store i8 %43, ptr %6, align 1, !tbaa !5
  %44 = load i8, ptr %6, align 1, !tbaa !5
  %45 = icmp ne i8 %44, 0
  br i1 %45, label %62, label %46

46:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #2
  %47 = load i8, ptr %2, align 1, !tbaa !5
  %48 = zext i8 %47 to i32
  %49 = icmp sge i32 %48, 48
  %50 = zext i1 %49 to i32
  %51 = trunc i32 %50 to i8
  store i8 %51, ptr %7, align 1, !tbaa !5
  %52 = load i8, ptr %7, align 1, !tbaa !5
  %53 = icmp ne i8 %52, 0
  br i1 %53, label %54, label %60

54:                                               ; preds = %46
  %55 = load i8, ptr %2, align 1, !tbaa !5
  %56 = zext i8 %55 to i32
  %57 = icmp sle i32 %56, 57
  %58 = zext i1 %57 to i32
  %59 = trunc i32 %58 to i8
  store i8 %59, ptr %7, align 1, !tbaa !5
  br label %60

60:                                               ; preds = %54, %46
  %61 = load i8, ptr %7, align 1, !tbaa !5
  store i8 %61, ptr %6, align 1, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #2
  br label %62

62:                                               ; preds = %60, %42
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #2
  %63 = load i8, ptr %6, align 1, !tbaa !5
  store i8 %63, ptr %8, align 1, !tbaa !5
  %64 = load i8, ptr %8, align 1, !tbaa !5
  %65 = icmp ne i8 %64, 0
  br i1 %65, label %72, label %66

66:                                               ; preds = %62
  %67 = load i8, ptr %2, align 1, !tbaa !5
  %68 = sext i8 %67 to i32
  %69 = icmp eq i32 %68, 95
  %70 = zext i1 %69 to i32
  %71 = trunc i32 %70 to i8
  store i8 %71, ptr %8, align 1, !tbaa !5
  br label %72

72:                                               ; preds = %66, %62
  %73 = load i8, ptr %8, align 1, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #2
  ret i8 %73
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"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 zeroext range(i8 0, 2) i8 @Parser__isIdentifierChar__(i8 noundef signext %0) local_unnamed_addr #0 {
.critedge29:
  %1 = and i8 %0, -33
  %2 = add i8 %1, -65
  %or.cond = icmp ult i8 %2, 26
  %3 = add i8 %0, -48
  %spec.select28 = icmp ult i8 %3, 10
  %4 = icmp eq i8 %0, 95
  %5 = or i1 %or.cond, %4
  %narrow = or i1 %5, %spec.select28
  %.0 = zext i1 %narrow to i8
  ret i8 %.0
}

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,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass