; LLVM IR from Godot-Machine-Learning/Godot_MachineLearning :: porter2_stemmer/ZN14Porter2Stemmer8internal13containsVowelERKNSt7/cxx1112basic_s_00dbb05c/ZN14Porter2Stemmer8internal13containsVowelERKNSt7 (traitsIcESaIcEEEmm)

; 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: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; 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: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN14Porter2Stemmer8internal8isVowelYEc(i8 noundef signext) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN14Porter2Stemmer8internal13containsVowelERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %1, i64 noundef %2) #0 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store i64 %2, ptr %7, align 8, !tbaa !9
  %10 = load i64, ptr %7, align 8, !tbaa !9
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %11) #2
  %13 = icmp ule i64 %10, %12
  br i1 %13, label %14, label %35

14:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %15 = load i64, ptr %6, align 8, !tbaa !9
  store i64 %15, ptr %8, align 8, !tbaa !9
  br label %16

16:                                               ; preds = %29, %14
  %17 = load i64, ptr %8, align 8, !tbaa !9
  %18 = load i64, ptr %7, align 8, !tbaa !9
  %19 = icmp ult i64 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  store i32 2, ptr %9, align 4
  br label %32

21:                                               ; preds = %16
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = load i64, ptr %8, align 8, !tbaa !9
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %22, i64 noundef %23) #2
  %25 = load i8, ptr %24, align 1, !tbaa !11
  %26 = call noundef zeroext i1 @_ZN14Porter2Stemmer8internal8isVowelYEc(i8 noundef signext %25)
  br i1 %26, label %27, label %28

27:                                               ; preds = %21
  store i1 true, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %32

28:                                               ; preds = %21
  br label %29

29:                                               ; preds = %28
  %30 = load i64, ptr %8, align 8, !tbaa !9
  %31 = add i64 %30, 1
  store i64 %31, ptr %8, align 8, !tbaa !9
  br label %16, !llvm.loop !12

32:                                               ; preds = %27, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  %33 = load i32, ptr %9, align 4
  switch i32 %33, label %38 [
    i32 2, label %34
    i32 1, label %36
  ]

34:                                               ; preds = %32
  br label %35

35:                                               ; preds = %34, %3
  store i1 false, ptr %4, align 1
  br label %36

36:                                               ; preds = %35, %32
  %37 = load i1, ptr %4, align 1
  ret i1 %37

38:                                               ; preds = %32
  unreachable
}

attributes #0 = { 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 #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++ 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: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN14Porter2Stemmer8internal8isVowelYEc(i8 noundef signext) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN14Porter2Stemmer8internal13containsVowelERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEmm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #1
  %.not = icmp uge i64 %4, %2
  %5 = icmp ult i64 %1, %2
  %or.cond = and i1 %.not, %5
  br i1 %or.cond, label %.lr.ph, label %.thread

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.0915 = phi i64 [ %9, %.lr.ph ], [ %1, %3 ]
  %6 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %.0915) #1
  %7 = load i8, ptr %6, align 1, !tbaa !5
  %8 = tail call noundef zeroext i1 @_ZN14Porter2Stemmer8internal8isVowelYEc(i8 noundef signext %7)
  %9 = add i64 %.0915, 1
  %exitcond.not = icmp eq i64 %9, %2
  %or.cond18 = or i1 %8, %exitcond.not
  br i1 %or.cond18, label %.thread, label %.lr.ph, !llvm.loop !8

.thread:                                          ; preds = %.lr.ph, %3
  %.1 = phi i1 [ false, %3 ], [ %8, %.lr.ph ]
  ret i1 %.1
}

attributes #0 = { 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 #1 = { 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++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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