; LLVM IR from facebook/redex :: libredex (NativeNames)

; 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::basic_string_view" = type { i64, ptr }

@.str.13 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12native_names11escape_charERNSt7__cxx1119basic_ostringstreamIcSt11char_traitsIcESaIcEEEc(ptr noundef nonnull align 8 dereferenceable(112), i8 noundef signext) #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12native_names29mangle_type_name_in_signatureERNSt7__cxx1119basic_ostringstreamIcSt11char_traitsIcESaIcEEESt17basic_string_viewIcS3_E(ptr noundef nonnull align 8 dereferenceable(112) %0, i64 %1, ptr %2) #0 {
  %4 = alloca %"class.std::basic_string_view", align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i8, align 1
  %10 = getelementptr inbounds { i64, ptr }, ptr %4, i32 0, i32 0
  store i64 %1, ptr %10, align 8
  %11 = getelementptr inbounds { i64, ptr }, ptr %4, i32 0, i32 1
  store ptr %2, ptr %11, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  store ptr %4, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = call noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16) %12) #4
  store ptr %13, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = call noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16) %14) #4
  store ptr %15, ptr %8, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %39, %3
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = icmp ne ptr %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, 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
  br label %42

21:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #4
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = load i8, ptr %22, align 1, !tbaa !9
  store i8 %23, ptr %9, align 1, !tbaa !9
  %24 = load i8, ptr %9, align 1, !tbaa !9
  %25 = sext i8 %24 to i32
  switch i32 %25, label %35 [
    i32 47, label %26
    i32 59, label %29
    i32 91, label %32
  ]

26:                                               ; preds = %21
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef @.str.13)
  br label %38

29:                                               ; preds = %21
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %30, ptr noundef @.str.14)
  br label %38

32:                                               ; preds = %21
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %33, ptr noundef @.str.15)
  br label %38

35:                                               ; preds = %21
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = load i8, ptr %9, align 1, !tbaa !9
  call void @_ZN12native_names11escape_charERNSt7__cxx1119basic_ostringstreamIcSt11char_traitsIcESaIcEEEc(ptr noundef nonnull align 8 dereferenceable(112) %36, i8 noundef signext %37)
  br label %38

38:                                               ; preds = %35, %32, %29, %26
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #4
  br label %39

39:                                               ; preds = %38
  %40 = load ptr, ptr %7, align 8, !tbaa !5
  %41 = getelementptr inbounds i8, ptr %40, i32 1
  store ptr %41, ptr %7, align 8, !tbaa !5
  br label %16

42:                                               ; preds = %20
  ret void
}

attributes #0 = { 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 #1 = { inlinehint 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 = !{!7, !7, i64 0}


; 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::basic_string_view" = type { i64, ptr }

@.str.13 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12native_names11escape_charERNSt7__cxx1119basic_ostringstreamIcSt11char_traitsIcESaIcEEEc(ptr noundef nonnull align 8 dereferenceable(112), i8 noundef signext) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12native_names29mangle_type_name_in_signatureERNSt7__cxx1119basic_ostringstreamIcSt11char_traitsIcESaIcEEESt17basic_string_viewIcS3_E(ptr noundef nonnull align 8 dereferenceable(112) %0, i64 %1, ptr %2) local_unnamed_addr #0 {
  %4 = alloca %"class.std::basic_string_view", align 8
  store i64 %1, ptr %4, align 8
  %5 = getelementptr inbounds i8, ptr %4, i64 8
  store ptr %2, ptr %5, align 8
  %6 = call noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(16) %4) #3
  %7 = call noundef ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(16) %4) #3
  %.not11 = icmp eq ptr %6, %7
  br i1 %.not11, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %16, %3
  ret void

.lr.ph:                                           ; preds = %3, %16
  %.012 = phi ptr [ %17, %16 ], [ %6, %3 ]
  %8 = load i8, ptr %.012, align 1, !tbaa !5
  switch i8 %8, label %15 [
    i8 47, label %9
    i8 59, label %11
    i8 91, label %13
  ]

9:                                                ; preds = %.lr.ph
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull @.str.13)
  br label %16

11:                                               ; preds = %.lr.ph
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull @.str.14)
  br label %16

13:                                               ; preds = %.lr.ph
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull @.str.15)
  br label %16

15:                                               ; preds = %.lr.ph
  call void @_ZN12native_names11escape_charERNSt7__cxx1119basic_ostringstreamIcSt11char_traitsIcESaIcEEEc(ptr noundef nonnull align 8 dereferenceable(112) %0, i8 noundef signext %8)
  br label %16

16:                                               ; preds = %15, %13, %11, %9
  %17 = getelementptr inbounds i8, ptr %.012, i64 1
  %.not = icmp eq ptr %17, %7
  br i1 %.not, label %._crit_edge, label %.lr.ph
}

attributes #0 = { 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 #1 = { inlinehint 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 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 #3 = { 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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass