; 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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

; 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 void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: nounwind willreturn memory(read)
declare i32 @islower(i32 noundef) #3

; Function Attrs: nounwind willreturn memory(read)
declare i32 @isupper(i32 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #0 align 2

; Function Attrs: nounwind willreturn memory(read)
declare i32 @toupper(i32 noundef) #3

; Function Attrs: nounwind willreturn memory(read)
declare i32 @tolower(i32 noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8pystring5titleERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i8, align 1
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  store i1 false, ptr %5, align 1
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %12)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %13 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  store i64 %13, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #4
  store i8 0, ptr %8, align 1, !tbaa !11
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %60, %2
  %15 = load i64, ptr %7, align 8, !tbaa !9
  %16 = load i64, ptr %6, align 8, !tbaa !9
  %17 = icmp ult i64 %15, %16
  br i1 %17, label %18, label %63

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %19 = load i64, ptr %7, align 8, !tbaa !9
  %20 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %19)
          to label %21 unwind label %37

21:                                               ; preds = %18
  %22 = load i8, ptr %20, align 1, !tbaa !13
  %23 = sext i8 %22 to i32
  store i32 %23, ptr %9, align 4, !tbaa !14
  %24 = load i32, ptr %9, align 4, !tbaa !14
  %25 = call i32 @islower(i32 noundef %24) #5
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %42

27:                                               ; preds = %21
  %28 = load i8, ptr %8, align 1, !tbaa !11, !range !16, !noundef !17
  %29 = trunc i8 %28 to i1
  br i1 %29, label %41, label %30

30:                                               ; preds = %27
  %31 = load i32, ptr %9, align 4, !tbaa !14
  %32 = call i32 @toupper(i32 noundef %31) #5
  %33 = trunc i32 %32 to i8
  %34 = load i64, ptr %7, align 8, !tbaa !9
  %35 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %34)
          to label %36 unwind label %37

36:                                               ; preds = %30
  store i8 %33, ptr %35, align 1, !tbaa !13
  br label %41

37:                                               ; preds = %49, %30, %18
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %10, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %67

41:                                               ; preds = %36, %27
  store i8 1, ptr %8, align 1, !tbaa !11
  br label %59

42:                                               ; preds = %21
  %43 = load i32, ptr %9, align 4, !tbaa !14
  %44 = call i32 @isupper(i32 noundef %43) #5
  %45 = icmp ne i32 %44, 0
  br i1 %45, label %46, label %57

46:                                               ; preds = %42
  %47 = load i8, ptr %8, align 1, !tbaa !11, !range !16, !noundef !17
  %48 = trunc i8 %47 to i1
  br i1 %48, label %49, label %56

49:                                               ; preds = %46
  %50 = load i32, ptr %9, align 4, !tbaa !14
  %51 = call i32 @tolower(i32 noundef %50) #5
  %52 = trunc i32 %51 to i8
  %53 = load i64, ptr %7, align 8, !tbaa !9
  %54 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %53)
          to label %55 unwind label %37

55:                                               ; preds = %49
  store i8 %52, ptr %54, align 1, !tbaa !13
  br label %56

56:                                               ; preds = %55, %46
  store i8 1, ptr %8, align 1, !tbaa !11
  br label %58

57:                                               ; preds = %42
  store i8 0, ptr %8, align 1, !tbaa !11
  br label %58

58:                                               ; preds = %57, %56
  br label %59

59:                                               ; preds = %58, %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %60

60:                                               ; preds = %59
  %61 = load i64, ptr %7, align 8, !tbaa !9
  %62 = add i64 %61, 1
  store i64 %62, ptr %7, align 8, !tbaa !9
  br label %14, !llvm.loop !18

63:                                               ; preds = %14
  store i1 true, ptr %5, align 1
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  %64 = load i1, ptr %5, align 1
  br i1 %64, label %66, label %65

65:                                               ; preds = %63
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #4
  br label %66

66:                                               ; preds = %65, %63
  ret void

67:                                               ; preds = %37
  %68 = load ptr, ptr %10, align 8
  %69 = load i32, ptr %11, align 4
  %70 = insertvalue { ptr, i32 } poison, ptr %68, 0
  %71 = insertvalue { ptr, i32 } %70, i32 %69, 1
  resume { ptr, i32 } %71
}

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 = { mustprogress 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 #3 = { 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 #4 = { nounwind }
attributes #5 = { 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 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"int", !7, i64 0}
!16 = !{i8 0, i8 2}
!17 = !{}
!18 = distinct !{!18, !19}
!19 = !{!"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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @islower(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @isupper(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @toupper(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @tolower(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8pystring5titleERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %1)
  %3 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %.not17 = icmp eq i64 %3, 0
  br i1 %.not17, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %20
  %.016 = phi i8 [ %.1, %20 ], [ 0, %2 ]
  %.01315 = phi i64 [ %21, %20 ], [ 0, %2 ]
  %4 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %.01315)
  %5 = load i8, ptr %4, align 1, !tbaa !5
  %6 = sext i8 %5 to i32
  %7 = tail call i32 @islower(i32 noundef %6) #4
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %12, label %8

8:                                                ; preds = %.lr.ph
  %9 = trunc nuw i8 %.016 to i1
  br i1 %9, label %20, label %10

10:                                               ; preds = %8
  %11 = tail call i32 @toupper(i32 noundef %6) #4
  br label %.sink.split

12:                                               ; preds = %.lr.ph
  %13 = tail call i32 @isupper(i32 noundef %6) #4
  %.not14 = icmp eq i32 %13, 0
  br i1 %.not14, label %20, label %14

14:                                               ; preds = %12
  %15 = trunc nuw i8 %.016 to i1
  br i1 %15, label %16, label %20

16:                                               ; preds = %14
  %17 = tail call i32 @tolower(i32 noundef %6) #4
  br label %.sink.split

.sink.split:                                      ; preds = %10, %16
  %.sink19 = phi i32 [ %17, %16 ], [ %11, %10 ]
  %18 = trunc i32 %.sink19 to i8
  %19 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %.01315)
  store i8 %18, ptr %19, align 1, !tbaa !5
  br label %20

20:                                               ; preds = %.sink.split, %12, %14, %8
  %.1 = phi i8 [ 1, %8 ], [ 1, %14 ], [ 0, %12 ], [ 1, %.sink.split ]
  %21 = add nuw i64 %.01315, 1
  %exitcond.not = icmp eq i64 %21, %3
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !8

._crit_edge:                                      ; preds = %20, %2
  ret void
}

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 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 = { 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 #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 = !{!"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,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass