forked from OSchip/llvm-project
917acac960
Shrink `FileEntryRef` to the size of a pointer, by having it directly reference the `StringMapEntry` the same way that `DirectoryEntryRef` does. This makes `FileEntryRef::FileEntryRef` private as a side effect (`FileManager` is a friend!). There are two helper types added within `FileEntryRef`: - `FileEntryRef::MapValue` is the type stored in `FileManager::SeenFileEntries`. It's a replacement for `SeenFileEntryOrRedirect`, where the second pointer type has been changed from `StringRef*` to `MapEntry*` (see next bullet). - `FileEntryRef::MapEntry` is the instantiation of `StringMapEntry<>` where `MapValue` is stored. This is what `FileEntryRef` has a pointer to, in order to grab the name in addition to the value. Differential Revision: https://reviews.llvm.org/D89488 |
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