================
@@ -431,23 +441,34 @@ class InstrProfSymtab {
using AddrHashMap = std::vector<std::pair<uint64_t, uint64_t>>;
private:
+ using AddrIntervalMap =
+ IntervalMap<uint64_t, uint64_t, 4, IntervalMapHalfOpenInfo<uint64_t>>;
StringRef Data;
uint64_t Address = 0;
- // Unique name strings.
+ // Unique name strings. Used to ensure entries in MD5NameMap (a vector that's
+ // going to be sorted) has unique MD5 keys in the first place.
StringSet<> NameTab;
+ // Records the unique virtual table names. This is used by InstrProfWriter to
+ // write out an on-disk chained hash table of virtual table names.
+ // InstrProfWriter stores per function profile data (keyed by function names)
+ // so it doesn't use a StringSet for function names.
+ StringSet<> VTableNames;
// A map from MD5 keys to function name strings.
std::vector<std::pair<uint64_t, StringRef>> MD5NameMap;
----------------
minglotus-6 wrote:
Sure. i'll send out another patch later.
https://github.com/llvm/llvm-project/pull/66825
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