================
@@ -374,15 +386,34 @@ Error YAMLProfileReader::readProfile(BinaryContext &BC) {
// the profile.
Function.setExecutionCount(BinaryFunction::COUNT_NO_PROFILE);
- // Recompute hash once per function.
- if (!opts::IgnoreHash)
- Function.computeHash(YamlBP.Header.IsDFSOrder,
- YamlBP.Header.HashFunction);
-
- if (profileMatches(YamlBF, Function))
+ if (profileMatches(YamlBF, Function)) {
matchProfileToFunction(YamlBF, Function);
+ ++MatchedWithExactName;
+ }
}
+ // Uses the strict hash of profiled and binary functions to match functions
+ // that are not matched by name or common name.
+ if (opts::MatchProfileWithFunctionHash) {
+ std::unordered_map<size_t, BinaryFunction *> StrictHashToBF;
+ StrictHashToBF.reserve(BC.getBinaryFunctions().size());
+
+ for (auto &[_, BF] : BC.getBinaryFunctions())
+ StrictHashToBF[BF.getHash()] = &BF;
+
+ for (yaml::bolt::BinaryFunctionProfile &YamlBF : YamlBP.Functions) {
+ if (YamlBF.Used)
+ continue;
+ auto It = StrictHashToBF.find(YamlBF.Hash);
+ if (It != StrictHashToBF.end() && !ProfiledFunctions.count(It->second)) {
+ auto *BF = It->second;
----------------
aaupov wrote:
nit: LLVM's guideline is to use explicit type here: [LLVM Coding
Standards](https://llvm.org/docs/CodingStandards.html#use-auto-type-deduction-to-make-code-more-readable)
https://github.com/llvm/llvm-project/pull/95821
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