[llvm] [CAS] Add OnDiskTrieRawHashMap (PR #114100)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/include/llvm/CAS/OnDiskTrieRawHashMap.h llvm/lib/CAS/OnDiskTrieRawHashMap.cpp llvm/unittests/CAS/OnDiskTrieRawHashMapTest.cpp
``````````

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``````````diff
diff --git a/llvm/lib/CAS/OnDiskTrieRawHashMap.cpp b/llvm/lib/CAS/OnDiskTrieRawHashMap.cpp
index 350ea38d6..18a1c8f82 100644
--- a/llvm/lib/CAS/OnDiskTrieRawHashMap.cpp
+++ b/llvm/lib/CAS/OnDiskTrieRawHashMap.cpp
@@ -1005,9 +1005,9 @@ OnDiskTrieRawHashMap::create(const Twine &PathTwine, const Twine &TrieNameTwine,
 
   // Constructor for if the file doesn't exist.
   auto NewDBConstructor = [&](DatabaseFile &DB) -> Error {
-    auto Trie = TrieRawHashMapHandle::create(DB.getAlloc(), TrieName,
-                                             NumRootBits, NumSubtrieBits,
-                                             NumHashBits, DataSize);
+    auto Trie =
+        TrieRawHashMapHandle::create(DB.getAlloc(), TrieName, NumRootBits,
+                                     NumSubtrieBits, NumHashBits, DataSize);
     if (LLVM_UNLIKELY(!Trie))
       return Trie.takeError();
 
@@ -1144,7 +1144,7 @@ public:
   }
 
   Error printRecord(TrieRawHashMapHandle::RecordData &Record) {
-    OS << "- addr=" << (void*)Record.getFileOffset().get() << " ";
+    OS << "- addr=" << (void *)Record.getFileOffset().get() << " ";
     if (PrintRecordData) {
       PrintRecordData(Record.Proxy.Data);
     } else {
@@ -1407,7 +1407,7 @@ public:
   }
 
   Expected<MutableArrayRef<char>> allocate(MappedFileRegionArena &Alloc,
-                                 size_t DataSize) {
+                                           size_t DataSize) {
     assert(&Alloc.getRegion() == Region);
     auto Ptr = Alloc.allocate(DataSize);
     if (LLVM_UNLIKELY(!Ptr))

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https://github.com/llvm/llvm-project/pull/114100