; LLVM IR from yangfengzzz/fluid-engine-OpenVDB :: manual_tests.common (pystring)

; 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: 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN8pystring7isalnumERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0) #0 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  store i64 %8, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %9 = load i64, ptr %4, align 8, !tbaa !9
  %10 = icmp eq i64 %9, 0
  br i1 %10, label %11, label %12

11:                                               ; preds = %1
  store i1 false, ptr %2, align 1
  store i32 1, ptr %6, align 4
  br label %41

12:                                               ; preds = %1
  %13 = load i64, ptr %4, align 8, !tbaa !9
  %14 = icmp eq i64 %13, 1
  br i1 %14, label %15, label %22

15:                                               ; preds = %12
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %16, i64 noundef 0) #3
  %18 = load i8, ptr %17, align 1, !tbaa !11
  %19 = sext i8 %18 to i32
  %20 = call i32 @isalnum(i32 noundef %19) #4
  %21 = icmp ne i32 %20, 0
  store i1 %21, ptr %2, align 1
  store i32 1, ptr %6, align 4
  br label %41

22:                                               ; preds = %12
  store i64 0, ptr %5, align 8, !tbaa !9
  br label %23

23:                                               ; preds = %37, %22
  %24 = load i64, ptr %5, align 8, !tbaa !9
  %25 = load i64, ptr %4, align 8, !tbaa !9
  %26 = icmp ult i64 %24, %25
  br i1 %26, label %27, label %40

27:                                               ; preds = %23
  %28 = load ptr, ptr %3, align 8, !tbaa !5
  %29 = load i64, ptr %5, align 8, !tbaa !9
  %30 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %28, i64 noundef %29) #3
  %31 = load i8, ptr %30, align 1, !tbaa !11
  %32 = sext i8 %31 to i32
  %33 = call i32 @isalnum(i32 noundef %32) #4
  %34 = icmp ne i32 %33, 0
  br i1 %34, label %36, label %35

35:                                               ; preds = %27
  store i1 false, ptr %2, align 1
  store i32 1, ptr %6, align 4
  br label %41

36:                                               ; preds = %27
  br label %37

37:                                               ; preds = %36
  %38 = load i64, ptr %5, align 8, !tbaa !9
  %39 = add i64 %38, 1
  store i64 %39, ptr %5, align 8, !tbaa !9
  br label %23, !llvm.loop !12

40:                                               ; preds = %23
  store i1 true, ptr %2, align 1
  store i32 1, ptr %6, align 4
  br label %41

41:                                               ; preds = %40, %35, %15, %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  %42 = load i1, ptr %2, align 1
  ret i1 %42
}

; Function Attrs: nounwind willreturn memory(read)
declare i32 @isalnum(i32 noundef) #2

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 willreturn memory(read) "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 #3 = { nounwind }
attributes #4 = { nounwind willreturn memory(read) }

!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
define dso_local noundef zeroext i1 @_ZN8pystring7isalnumERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0) local_unnamed_addr #0 {
  %2 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #2
  switch i64 %2, label %.lr.ph [
    i64 0, label %.loopexit
    i64 1, label %3
  ]

3:                                                ; preds = %1
  %4 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0) #2
  %5 = load i8, ptr %4, align 1, !tbaa !5
  %6 = sext i8 %5 to i32
  %7 = tail call i32 @isalnum(i32 noundef %6) #3
  %8 = icmp ne i32 %7, 0
  br label %.loopexit

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.011 = phi i64 [ %13, %.lr.ph ], [ 0, %1 ]
  %9 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %.011) #2
  %10 = load i8, ptr %9, align 1, !tbaa !5
  %11 = sext i8 %10 to i32
  %12 = tail call i32 @isalnum(i32 noundef %11) #3
  %.not.not = icmp ne i32 %12, 0
  %13 = add nuw i64 %.011, 1
  %exitcond.not = icmp ne i64 %13, %2
  %or.cond.not = select i1 %.not.not, i1 %exitcond.not, i1 false
  br i1 %or.cond.not, label %.lr.ph, label %.loopexit, !llvm.loop !8

.loopexit:                                        ; preds = %.lr.ph, %1, %3
  %.09 = phi i1 [ %8, %3 ], [ false, %1 ], [ %.not.not, %.lr.ph ]
  ret i1 %.09
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @isalnum(i32 noundef) local_unnamed_addr #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 = { mustprogress nofree nounwind willreturn memory(read) "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 }
attributes #3 = { nounwind willreturn memory(read) }

!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